Merging upstream version 1.71.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
author: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-05-18 02:49:50 +0000
committer: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-05-18 02:49:50 +0000
commit: 9835e2ae736235810b4ea1c162ca5e65c547e770 (patch)
tree: 3fcebf40ed70e581d776a8a4c65923e8ec20e026 /vendor/fiat-crypto/src
parent: Releasing progress-linux version 1.70.0+dfsg2-1~progress7.99u1. (diff)
download: rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.tar.xz
rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.zip
11 files changed, 15524 insertions, 14916 deletions
diff --git a/vendor/fiat-crypto/src/curve25519_solinas_64.rs b/vendor/fiat-crypto/src/curve25519_solinas_64.rs
new file mode 100644
index 000000000..edda9bb43
--- /dev/null
+++ b/vendor/fiat-crypto/src/curve25519_solinas_64.rs
@@ -0,0 +1,482 @@
+//! Autogenerated: 'src/ExtractionOCaml/solinas_reduction' --lang Rust --inline curve25519_solinas 64 '2^255 - 19' mul square
+//! curve description: curve25519_solinas
+//! machine_wordsize = 64 (from "64")
+//! requested operations: mul, square
+//! s-c = 2^255 - [(1, 19)] (from "2^255 - 19")
+//!
+//! Computed values:
+//!
+
+#![allow(unused_parens)]
+#![allow(non_camel_case_types)]
+
+pub type fiat_curve25519_solinas_u1 = u8;
+pub type fiat_curve25519_solinas_i1 = i8;
+pub type fiat_curve25519_solinas_u2 = u8;
+pub type fiat_curve25519_solinas_i2 = i8;
+
+
+/// The function fiat_curve25519_solinas_addcarryx_u64 is an addition with carry.
+///
+/// Postconditions:
+///   out1 = (arg1 + arg2 + arg3) mod 2^64
+///   out2 = ⌊(arg1 + arg2 + arg3) / 2^64⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffffffffffff]
+///   arg3: [0x0 ~> 0xffffffffffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+///   out2: [0x0 ~> 0x1]
+#[inline]
+pub fn fiat_curve25519_solinas_addcarryx_u64(out1: &mut u64, out2: &mut fiat_curve25519_solinas_u1, arg1: fiat_curve25519_solinas_u1, arg2: u64, arg3: u64) -> () {
+  let x1: u128 = (((arg1 as u128) + (arg2 as u128)) + (arg3 as u128));
+  let x2: u64 = ((x1 & (0xffffffffffffffff as u128)) as u64);
+  let x3: fiat_curve25519_solinas_u1 = ((x1 >> 64) as fiat_curve25519_solinas_u1);
+  *out1 = x2;
+  *out2 = x3;
+}
+
+/// The function fiat_curve25519_solinas_subborrowx_u64 is a subtraction with borrow.
+///
+/// Postconditions:
+///   out1 = (-arg1 + arg2 + -arg3) mod 2^64
+///   out2 = -⌊(-arg1 + arg2 + -arg3) / 2^64⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffffffffffff]
+///   arg3: [0x0 ~> 0xffffffffffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+///   out2: [0x0 ~> 0x1]
+#[inline]
+pub fn fiat_curve25519_solinas_subborrowx_u64(out1: &mut u64, out2: &mut fiat_curve25519_solinas_u1, arg1: fiat_curve25519_solinas_u1, arg2: u64, arg3: u64) -> () {
+  let x1: i128 = (((arg2 as i128) - (arg1 as i128)) - (arg3 as i128));
+  let x2: fiat_curve25519_solinas_i1 = ((x1 >> 64) as fiat_curve25519_solinas_i1);
+  let x3: u64 = ((x1 & (0xffffffffffffffff as i128)) as u64);
+  *out1 = x3;
+  *out2 = (((0x0 as fiat_curve25519_solinas_i2) - (x2 as fiat_curve25519_solinas_i2)) as fiat_curve25519_solinas_u1);
+}
+
+/// The function fiat_curve25519_solinas_mulx_u64 is a multiplication, returning the full double-width result.
+///
+/// Postconditions:
+///   out1 = (arg1 * arg2) mod 2^64
+///   out2 = ⌊arg1 * arg2 / 2^64⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0xffffffffffffffff]
+///   arg2: [0x0 ~> 0xffffffffffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+///   out2: [0x0 ~> 0xffffffffffffffff]
+#[inline]
+pub fn fiat_curve25519_solinas_mulx_u64(out1: &mut u64, out2: &mut u64, arg1: u64, arg2: u64) -> () {
+  let x1: u128 = ((arg1 as u128) * (arg2 as u128));
+  let x2: u64 = ((x1 & (0xffffffffffffffff as u128)) as u64);
+  let x3: u64 = ((x1 >> 64) as u64);
+  *out1 = x2;
+  *out2 = x3;
+}
+
+/// The function fiat_curve25519_solinas_cmovznz_u64 is a single-word conditional move.
+///
+/// Postconditions:
+///   out1 = (if arg1 = 0 then arg2 else arg3)
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffffffffffff]
+///   arg3: [0x0 ~> 0xffffffffffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+#[inline]
+pub fn fiat_curve25519_solinas_cmovznz_u64(out1: &mut u64, arg1: fiat_curve25519_solinas_u1, arg2: u64, arg3: u64) -> () {
+  let x1: fiat_curve25519_solinas_u1 = (!(!arg1));
+  let x2: u64 = ((((((0x0 as fiat_curve25519_solinas_i2) - (x1 as fiat_curve25519_solinas_i2)) as fiat_curve25519_solinas_i1) as i128) & (0xffffffffffffffff as i128)) as u64);
+  let x3: u64 = ((x2 & arg3) | ((!x2) & arg2));
+  *out1 = x3;
+}
+
+/// The function fiat_curve25519_solinas_mul multiplies two field elements.
+///
+/// Postconditions:
+///   eval out1 mod 57896044618658097711785492504343953926634992332820282019728792003956564819949 = (eval arg1 * eval arg2) mod 57896044618658097711785492504343953926634992332820282019728792003956564819949
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+#[inline]
+pub fn fiat_curve25519_solinas_mul(out1: &mut [u64; 4], arg1: &[u64; 4], arg2: &[u64; 4]) -> () {
+  let mut x1: u64 = 0;
+  let mut x2: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x1, &mut x2, (arg1[3]), (arg2[3]));
+  let mut x3: u64 = 0;
+  let mut x4: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x3, &mut x4, (arg1[3]), (arg2[2]));
+  let mut x5: u64 = 0;
+  let mut x6: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x5, &mut x6, (arg1[3]), (arg2[1]));
+  let mut x7: u64 = 0;
+  let mut x8: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x7, &mut x8, (arg1[3]), (arg2[0]));
+  let mut x9: u64 = 0;
+  let mut x10: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x9, &mut x10, (arg1[2]), (arg2[3]));
+  let mut x11: u64 = 0;
+  let mut x12: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x11, &mut x12, (arg1[2]), (arg2[2]));
+  let mut x13: u64 = 0;
+  let mut x14: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x13, &mut x14, (arg1[2]), (arg2[1]));
+  let mut x15: u64 = 0;
+  let mut x16: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x15, &mut x16, (arg1[2]), (arg2[0]));
+  let mut x17: u64 = 0;
+  let mut x18: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x17, &mut x18, (arg1[1]), (arg2[3]));
+  let mut x19: u64 = 0;
+  let mut x20: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x19, &mut x20, (arg1[1]), (arg2[2]));
+  let mut x21: u64 = 0;
+  let mut x22: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x21, &mut x22, (arg1[1]), (arg2[1]));
+  let mut x23: u64 = 0;
+  let mut x24: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x23, &mut x24, (arg1[1]), (arg2[0]));
+  let mut x25: u64 = 0;
+  let mut x26: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x25, &mut x26, (arg1[0]), (arg2[3]));
+  let mut x27: u64 = 0;
+  let mut x28: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x27, &mut x28, (arg1[0]), (arg2[2]));
+  let mut x29: u64 = 0;
+  let mut x30: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x29, &mut x30, (arg1[0]), (arg2[1]));
+  let mut x31: u64 = 0;
+  let mut x32: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x31, &mut x32, (arg1[0]), (arg2[0]));
+  let mut x33: u64 = 0;
+  let mut x34: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x33, &mut x34, 0x0, x28, x7);
+  let mut x35: u64 = 0;
+  let mut x36: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x35, &mut x36, x34, x26, x5);
+  let x37: u64 = ((x36 as u64) + x18);
+  let mut x38: u64 = 0;
+  let mut x39: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x38, &mut x39, 0x0, x33, x13);
+  let mut x40: u64 = 0;
+  let mut x41: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x40, &mut x41, x39, x35, x8);
+  let mut x42: u64 = 0;
+  let mut x43: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x42, &mut x43, x41, x37, (0x0 as u64));
+  let x44: u64 = ((x43 as u64) + x10);
+  let mut x45: u64 = 0;
+  let mut x46: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x45, &mut x46, 0x0, x30, x15);
+  let mut x47: u64 = 0;
+  let mut x48: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x47, &mut x48, x46, x38, x16);
+  let mut x49: u64 = 0;
+  let mut x50: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x49, &mut x50, x48, x40, x11);
+  let mut x51: u64 = 0;
+  let mut x52: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x51, &mut x52, x50, x42, x3);
+  let mut x53: u64 = 0;
+  let mut x54: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x53, &mut x54, x52, x44, (0x0 as u64));
+  let x55: u64 = ((x54 as u64) + x2);
+  let mut x56: u64 = 0;
+  let mut x57: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x56, &mut x57, 0x0, x45, x21);
+  let mut x58: u64 = 0;
+  let mut x59: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x58, &mut x59, x57, x47, x19);
+  let mut x60: u64 = 0;
+  let mut x61: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x60, &mut x61, x59, x49, x14);
+  let mut x62: u64 = 0;
+  let mut x63: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x62, &mut x63, x61, x51, x6);
+  let mut x64: u64 = 0;
+  let mut x65: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x64, &mut x65, x63, x53, (0x0 as u64));
+  let mut x66: u64 = 0;
+  let mut x67: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x66, &mut x67, x65, x55, (0x0 as u64));
+  let mut x68: u64 = 0;
+  let mut x69: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x68, &mut x69, 0x0, x32, x23);
+  let mut x70: u64 = 0;
+  let mut x71: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x70, &mut x71, x69, x56, x24);
+  let mut x72: u64 = 0;
+  let mut x73: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x72, &mut x73, x71, x58, x22);
+  let mut x74: u64 = 0;
+  let mut x75: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x74, &mut x75, x73, x60, x17);
+  let mut x76: u64 = 0;
+  let mut x77: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x76, &mut x77, x75, x62, x9);
+  let mut x78: u64 = 0;
+  let mut x79: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x78, &mut x79, x77, x64, x1);
+  let mut x80: u64 = 0;
+  let mut x81: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x80, &mut x81, x79, x66, (0x0 as u64));
+  let mut x82: u64 = 0;
+  let mut x83: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x82, &mut x83, 0x0, x68, x29);
+  let mut x84: u64 = 0;
+  let mut x85: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x84, &mut x85, x83, x70, x27);
+  let mut x86: u64 = 0;
+  let mut x87: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x86, &mut x87, x85, x72, x25);
+  let mut x88: u64 = 0;
+  let mut x89: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x88, &mut x89, x87, x74, x20);
+  let mut x90: u64 = 0;
+  let mut x91: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x90, &mut x91, x89, x76, x12);
+  let mut x92: u64 = 0;
+  let mut x93: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x92, &mut x93, x91, x78, x4);
+  let mut x94: u64 = 0;
+  let mut x95: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x94, &mut x95, x93, x80, (0x0 as u64));
+  let mut x96: u64 = 0;
+  let mut x97: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x96, &mut x97, 0x26, x94);
+  let mut x98: u64 = 0;
+  let mut x99: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x98, &mut x99, 0x26, x92);
+  let mut x100: u64 = 0;
+  let mut x101: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x100, &mut x101, 0x26, x90);
+  let mut x102: u64 = 0;
+  let mut x103: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x102, &mut x103, 0x26, x88);
+  let mut x104: u64 = 0;
+  let mut x105: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x104, &mut x105, 0x0, x82, x100);
+  let mut x106: u64 = 0;
+  let mut x107: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x106, &mut x107, x105, x84, x98);
+  let mut x108: u64 = 0;
+  let mut x109: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x108, &mut x109, x107, x86, x96);
+  let x110: u64 = ((x109 as u64) + x97);
+  let mut x111: u64 = 0;
+  let mut x112: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x111, &mut x112, 0x0, x31, x102);
+  let mut x113: u64 = 0;
+  let mut x114: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x113, &mut x114, x112, x104, x103);
+  let mut x115: u64 = 0;
+  let mut x116: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x115, &mut x116, x114, x106, x101);
+  let mut x117: u64 = 0;
+  let mut x118: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x117, &mut x118, x116, x108, x99);
+  let x119: u64 = ((x118 as u64) + x110);
+  let mut x120: u64 = 0;
+  let mut x121: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x120, &mut x121, 0x26, x119);
+  let mut x122: u64 = 0;
+  let mut x123: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x122, &mut x123, 0x0, x111, x120);
+  let mut x124: u64 = 0;
+  let mut x125: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x124, &mut x125, x123, x113, (0x0 as u64));
+  let mut x126: u64 = 0;
+  let mut x127: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x126, &mut x127, x125, x115, (0x0 as u64));
+  let mut x128: u64 = 0;
+  let mut x129: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x128, &mut x129, x127, x117, (0x0 as u64));
+  let mut x130: u64 = 0;
+  fiat_curve25519_solinas_cmovznz_u64(&mut x130, x129, (0x0 as u64), 0x26);
+  let mut x131: u64 = 0;
+  let mut x132: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x131, &mut x132, 0x0, x130, x122);
+  out1[0] = x131;
+  out1[1] = x124;
+  out1[2] = x126;
+  out1[3] = x128;
+}
+
+/// The function fiat_curve25519_solinas_square squares a field element.
+///
+/// Postconditions:
+///   eval out1 mod 57896044618658097711785492504343953926634992332820282019728792003956564819949 = (eval arg1 * eval arg1) mod 57896044618658097711785492504343953926634992332820282019728792003956564819949
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+#[inline]
+pub fn fiat_curve25519_solinas_square(out1: &mut [u64; 4], arg1: &[u64; 4]) -> () {
+  let mut x1: u64 = 0;
+  let mut x2: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x1, &mut x2, (arg1[0]), (arg1[3]));
+  let mut x3: u64 = 0;
+  let mut x4: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x3, &mut x4, (arg1[0]), (arg1[2]));
+  let mut x5: u64 = 0;
+  let mut x6: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x5, &mut x6, (arg1[0]), (arg1[1]));
+  let mut x7: u64 = 0;
+  let mut x8: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x7, &mut x8, (arg1[3]), (arg1[2]));
+  let mut x9: u64 = 0;
+  let mut x10: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x9, &mut x10, (arg1[3]), (arg1[1]));
+  let mut x11: u64 = 0;
+  let mut x12: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x11, &mut x12, 0x0, x6, x3);
+  let mut x13: u64 = 0;
+  let mut x14: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x13, &mut x14, x12, x4, x1);
+  let mut x15: u64 = 0;
+  let mut x16: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x15, &mut x16, x14, x2, x9);
+  let mut x17: u64 = 0;
+  let mut x18: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x17, &mut x18, x16, x10, x7);
+  let x19: u64 = ((x18 as u64) + x8);
+  let mut x20: u64 = 0;
+  let mut x21: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x20, &mut x21, (arg1[1]), (arg1[2]));
+  let mut x22: u64 = 0;
+  let mut x23: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x22, &mut x23, 0x0, x13, x20);
+  let mut x24: u64 = 0;
+  let mut x25: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x24, &mut x25, x23, x15, x21);
+  let mut x26: u64 = 0;
+  let mut x27: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x26, &mut x27, x25, x17, (0x0 as u64));
+  let mut x28: u64 = 0;
+  let mut x29: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x28, &mut x29, x27, x19, (0x0 as u64));
+  let mut x30: u64 = 0;
+  let mut x31: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x30, &mut x31, 0x0, x5, x5);
+  let mut x32: u64 = 0;
+  let mut x33: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x32, &mut x33, x31, x11, x11);
+  let mut x34: u64 = 0;
+  let mut x35: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x34, &mut x35, x33, x22, x22);
+  let mut x36: u64 = 0;
+  let mut x37: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x36, &mut x37, x35, x24, x24);
+  let mut x38: u64 = 0;
+  let mut x39: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x38, &mut x39, x37, x26, x26);
+  let mut x40: u64 = 0;
+  let mut x41: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x40, &mut x41, x39, x28, x28);
+  let x42: u64 = (((x41 as u64) + (x29 as u64)) + (x29 as u64));
+  let mut x43: u64 = 0;
+  let mut x44: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x43, &mut x44, (arg1[3]), (arg1[3]));
+  let mut x45: u64 = 0;
+  let mut x46: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x45, &mut x46, (arg1[2]), (arg1[2]));
+  let mut x47: u64 = 0;
+  let mut x48: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x47, &mut x48, (arg1[1]), (arg1[1]));
+  let mut x49: u64 = 0;
+  let mut x50: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x49, &mut x50, (arg1[0]), (arg1[0]));
+  let mut x51: u64 = 0;
+  let mut x52: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x51, &mut x52, 0x0, x30, x50);
+  let mut x53: u64 = 0;
+  let mut x54: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x53, &mut x54, x52, x32, x47);
+  let mut x55: u64 = 0;
+  let mut x56: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x55, &mut x56, x54, x34, x48);
+  let mut x57: u64 = 0;
+  let mut x58: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x57, &mut x58, x56, x36, x45);
+  let mut x59: u64 = 0;
+  let mut x60: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x59, &mut x60, x58, x38, x46);
+  let mut x61: u64 = 0;
+  let mut x62: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x61, &mut x62, x60, x40, x43);
+  let mut x63: u64 = 0;
+  let mut x64: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x63, &mut x64, x62, x42, x44);
+  let mut x65: u64 = 0;
+  let mut x66: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x65, &mut x66, 0x26, x63);
+  let mut x67: u64 = 0;
+  let mut x68: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x67, &mut x68, 0x26, x61);
+  let mut x69: u64 = 0;
+  let mut x70: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x69, &mut x70, 0x26, x59);
+  let mut x71: u64 = 0;
+  let mut x72: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x71, &mut x72, 0x26, x57);
+  let mut x73: u64 = 0;
+  let mut x74: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x73, &mut x74, 0x0, x51, x69);
+  let mut x75: u64 = 0;
+  let mut x76: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x75, &mut x76, x74, x53, x67);
+  let mut x77: u64 = 0;
+  let mut x78: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x77, &mut x78, x76, x55, x65);
+  let x79: u64 = ((x78 as u64) + x66);
+  let mut x80: u64 = 0;
+  let mut x81: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x80, &mut x81, 0x0, x49, x71);
+  let mut x82: u64 = 0;
+  let mut x83: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x82, &mut x83, x81, x73, x72);
+  let mut x84: u64 = 0;
+  let mut x85: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x84, &mut x85, x83, x75, x70);
+  let mut x86: u64 = 0;
+  let mut x87: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x86, &mut x87, x85, x77, x68);
+  let x88: u64 = ((x87 as u64) + x79);
+  let mut x89: u64 = 0;
+  let mut x90: u64 = 0;
+  fiat_curve25519_solinas_mulx_u64(&mut x89, &mut x90, 0x26, x88);
+  let mut x91: u64 = 0;
+  let mut x92: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x91, &mut x92, 0x0, x80, x89);
+  let mut x93: u64 = 0;
+  let mut x94: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x93, &mut x94, x92, x82, (0x0 as u64));
+  let mut x95: u64 = 0;
+  let mut x96: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x95, &mut x96, x94, x84, (0x0 as u64));
+  let mut x97: u64 = 0;
+  let mut x98: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x97, &mut x98, x96, x86, (0x0 as u64));
+  let mut x99: u64 = 0;
+  fiat_curve25519_solinas_cmovznz_u64(&mut x99, x98, (0x0 as u64), 0x26);
+  let mut x100: u64 = 0;
+  let mut x101: fiat_curve25519_solinas_u1 = 0;
+  fiat_curve25519_solinas_addcarryx_u64(&mut x100, &mut x101, 0x0, x99, x91);
+  out1[0] = x100;
+  out1[1] = x93;
+  out1[2] = x95;
+  out1[3] = x97;
+}
diff --git a/vendor/fiat-crypto/src/lib.rs b/vendor/fiat-crypto/src/lib.rs
index 3a0d1ca25..d72509a6a 100644
--- a/vendor/fiat-crypto/src/lib.rs
+++ b/vendor/fiat-crypto/src/lib.rs
@@ -4,6 +4,7 @@ pub mod curve25519_32;
 pub mod curve25519_64;
 pub mod curve25519_scalar_32;
 pub mod curve25519_scalar_64;
+pub mod curve25519_solinas_64;
 pub mod p224_32;
 pub mod p224_64;
 pub mod p256_32;
@@ -20,7 +21,8 @@ pub mod p448_solinas_64;
 pub mod p521_64;
 pub mod poly1305_32;
 pub mod poly1305_64;
-pub mod secp256k1_32;
-pub mod secp256k1_64;
-pub mod secp256k1_scalar_32;
-pub mod secp256k1_scalar_64;
+pub mod secp256k1_dettman_64;
+pub mod secp256k1_montgomery_32;
+pub mod secp256k1_montgomery_64;
+pub mod secp256k1_montgomery_scalar_32;
+pub mod secp256k1_montgomery_scalar_64;
diff --git a/vendor/fiat-crypto/src/secp256k1_32.rs b/vendor/fiat-crypto/src/secp256k1_32.rs
deleted file mode 100644
index 13919a10d..000000000
--- a/vendor/fiat-crypto/src/secp256k1_32.rs
+++ /dev/null
@@ -1,5337 +0,0 @@
-//! Autogenerated: 'src/ExtractionOCaml/word_by_word_montgomery' --lang Rust --inline secp256k1 32 '2^256 - 2^32 - 977' mul square add sub opp from_montgomery to_montgomery nonzero selectznz to_bytes from_bytes one msat divstep divstep_precomp
-//! curve description: secp256k1
-//! machine_wordsize = 32 (from "32")
-//! requested operations: mul, square, add, sub, opp, from_montgomery, to_montgomery, nonzero, selectznz, to_bytes, from_bytes, one, msat, divstep, divstep_precomp
-//! m = 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f (from "2^256 - 2^32 - 977")
-//!
-//! NOTE: In addition to the bounds specified above each function, all
-//!   functions synthesized for this Montgomery arithmetic require the
-//!   input to be strictly less than the prime modulus (m), and also
-//!   require the input to be in the unique saturated representation.
-//!   All functions also ensure that these two properties are true of
-//!   return values.
-//!
-//! Computed values:
-//!   eval z = z[0] + (z[1] << 32) + (z[2] << 64) + (z[3] << 96) + (z[4] << 128) + (z[5] << 160) + (z[6] << 192) + (z[7] << 224)
-//!   bytes_eval z = z[0] + (z[1] << 8) + (z[2] << 16) + (z[3] << 24) + (z[4] << 32) + (z[5] << 40) + (z[6] << 48) + (z[7] << 56) + (z[8] << 64) + (z[9] << 72) + (z[10] << 80) + (z[11] << 88) + (z[12] << 96) + (z[13] << 104) + (z[14] << 112) + (z[15] << 120) + (z[16] << 128) + (z[17] << 136) + (z[18] << 144) + (z[19] << 152) + (z[20] << 160) + (z[21] << 168) + (z[22] << 176) + (z[23] << 184) + (z[24] << 192) + (z[25] << 200) + (z[26] << 208) + (z[27] << 216) + (z[28] << 224) + (z[29] << 232) + (z[30] << 240) + (z[31] << 248)
-//!   twos_complement_eval z = let x1 := z[0] + (z[1] << 32) + (z[2] << 64) + (z[3] << 96) + (z[4] << 128) + (z[5] << 160) + (z[6] << 192) + (z[7] << 224) in
-//!                            if x1 & (2^256-1) < 2^255 then x1 & (2^256-1) else (x1 & (2^256-1)) - 2^256
-
-#![allow(unused_parens)]
-#![allow(non_camel_case_types)]
-
-pub type fiat_secp256k1_u1 = u8;
-pub type fiat_secp256k1_i1 = i8;
-pub type fiat_secp256k1_u2 = u8;
-pub type fiat_secp256k1_i2 = i8;
-
-/* The type fiat_secp256k1_montgomery_domain_field_element is a field element in the Montgomery domain. */
-/* Bounds: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]] */
-pub type fiat_secp256k1_montgomery_domain_field_element = [u32; 8];
-
-/* The type fiat_secp256k1_non_montgomery_domain_field_element is a field element NOT in the Montgomery domain. */
-/* Bounds: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]] */
-pub type fiat_secp256k1_non_montgomery_domain_field_element = [u32; 8];
-
-
-/// The function fiat_secp256k1_addcarryx_u32 is an addition with carry.
-///
-/// Postconditions:
-///   out1 = (arg1 + arg2 + arg3) mod 2^32
-///   out2 = ⌊(arg1 + arg2 + arg3) / 2^32⌋
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [0x0 ~> 0xffffffff]
-///   arg3: [0x0 ~> 0xffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffff]
-///   out2: [0x0 ~> 0x1]
-#[inline]
-pub fn fiat_secp256k1_addcarryx_u32(out1: &mut u32, out2: &mut fiat_secp256k1_u1, arg1: fiat_secp256k1_u1, arg2: u32, arg3: u32) -> () {
-  let x1: u64 = (((arg1 as u64) + (arg2 as u64)) + (arg3 as u64));
-  let x2: u32 = ((x1 & (0xffffffff as u64)) as u32);
-  let x3: fiat_secp256k1_u1 = ((x1 >> 32) as fiat_secp256k1_u1);
-  *out1 = x2;
-  *out2 = x3;
-}
-
-/// The function fiat_secp256k1_subborrowx_u32 is a subtraction with borrow.
-///
-/// Postconditions:
-///   out1 = (-arg1 + arg2 + -arg3) mod 2^32
-///   out2 = -⌊(-arg1 + arg2 + -arg3) / 2^32⌋
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [0x0 ~> 0xffffffff]
-///   arg3: [0x0 ~> 0xffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffff]
-///   out2: [0x0 ~> 0x1]
-#[inline]
-pub fn fiat_secp256k1_subborrowx_u32(out1: &mut u32, out2: &mut fiat_secp256k1_u1, arg1: fiat_secp256k1_u1, arg2: u32, arg3: u32) -> () {
-  let x1: i64 = (((arg2 as i64) - (arg1 as i64)) - (arg3 as i64));
-  let x2: fiat_secp256k1_i1 = ((x1 >> 32) as fiat_secp256k1_i1);
-  let x3: u32 = ((x1 & (0xffffffff as i64)) as u32);
-  *out1 = x3;
-  *out2 = (((0x0 as fiat_secp256k1_i2) - (x2 as fiat_secp256k1_i2)) as fiat_secp256k1_u1);
-}
-
-/// The function fiat_secp256k1_mulx_u32 is a multiplication, returning the full double-width result.
-///
-/// Postconditions:
-///   out1 = (arg1 * arg2) mod 2^32
-///   out2 = ⌊arg1 * arg2 / 2^32⌋
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0xffffffff]
-///   arg2: [0x0 ~> 0xffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffff]
-///   out2: [0x0 ~> 0xffffffff]
-#[inline]
-pub fn fiat_secp256k1_mulx_u32(out1: &mut u32, out2: &mut u32, arg1: u32, arg2: u32) -> () {
-  let x1: u64 = ((arg1 as u64) * (arg2 as u64));
-  let x2: u32 = ((x1 & (0xffffffff as u64)) as u32);
-  let x3: u32 = ((x1 >> 32) as u32);
-  *out1 = x2;
-  *out2 = x3;
-}
-
-/// The function fiat_secp256k1_cmovznz_u32 is a single-word conditional move.
-///
-/// Postconditions:
-///   out1 = (if arg1 = 0 then arg2 else arg3)
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [0x0 ~> 0xffffffff]
-///   arg3: [0x0 ~> 0xffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffff]
-#[inline]
-pub fn fiat_secp256k1_cmovznz_u32(out1: &mut u32, arg1: fiat_secp256k1_u1, arg2: u32, arg3: u32) -> () {
-  let x1: fiat_secp256k1_u1 = (!(!arg1));
-  let x2: u32 = ((((((0x0 as fiat_secp256k1_i2) - (x1 as fiat_secp256k1_i2)) as fiat_secp256k1_i1) as i64) & (0xffffffff as i64)) as u32);
-  let x3: u32 = ((x2 & arg3) | ((!x2) & arg2));
-  *out1 = x3;
-}
-
-/// The function fiat_secp256k1_mul multiplies two field elements in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-///   0 ≤ eval arg2 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_mul(out1: &mut fiat_secp256k1_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_domain_field_element) -> () {
-  let x1: u32 = (arg1[1]);
-  let x2: u32 = (arg1[2]);
-  let x3: u32 = (arg1[3]);
-  let x4: u32 = (arg1[4]);
-  let x5: u32 = (arg1[5]);
-  let x6: u32 = (arg1[6]);
-  let x7: u32 = (arg1[7]);
-  let x8: u32 = (arg1[0]);
-  let mut x9: u32 = 0;
-  let mut x10: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x9, &mut x10, x8, (arg2[7]));
-  let mut x11: u32 = 0;
-  let mut x12: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x11, &mut x12, x8, (arg2[6]));
-  let mut x13: u32 = 0;
-  let mut x14: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x13, &mut x14, x8, (arg2[5]));
-  let mut x15: u32 = 0;
-  let mut x16: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x15, &mut x16, x8, (arg2[4]));
-  let mut x17: u32 = 0;
-  let mut x18: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x17, &mut x18, x8, (arg2[3]));
-  let mut x19: u32 = 0;
-  let mut x20: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x19, &mut x20, x8, (arg2[2]));
-  let mut x21: u32 = 0;
-  let mut x22: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x21, &mut x22, x8, (arg2[1]));
-  let mut x23: u32 = 0;
-  let mut x24: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x23, &mut x24, x8, (arg2[0]));
-  let mut x25: u32 = 0;
-  let mut x26: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x25, &mut x26, 0x0, x24, x21);
-  let mut x27: u32 = 0;
-  let mut x28: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x27, &mut x28, x26, x22, x19);
-  let mut x29: u32 = 0;
-  let mut x30: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x29, &mut x30, x28, x20, x17);
-  let mut x31: u32 = 0;
-  let mut x32: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x31, &mut x32, x30, x18, x15);
-  let mut x33: u32 = 0;
-  let mut x34: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x33, &mut x34, x32, x16, x13);
-  let mut x35: u32 = 0;
-  let mut x36: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x35, &mut x36, x34, x14, x11);
-  let mut x37: u32 = 0;
-  let mut x38: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x37, &mut x38, x36, x12, x9);
-  let x39: u32 = ((x38 as u32) + x10);
-  let mut x40: u32 = 0;
-  let mut x41: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x40, &mut x41, x23, 0xd2253531);
-  let mut x42: u32 = 0;
-  let mut x43: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x42, &mut x43, x40, 0xffffffff);
-  let mut x44: u32 = 0;
-  let mut x45: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x44, &mut x45, x40, 0xffffffff);
-  let mut x46: u32 = 0;
-  let mut x47: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x46, &mut x47, x40, 0xffffffff);
-  let mut x48: u32 = 0;
-  let mut x49: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x48, &mut x49, x40, 0xffffffff);
-  let mut x50: u32 = 0;
-  let mut x51: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x50, &mut x51, x40, 0xffffffff);
-  let mut x52: u32 = 0;
-  let mut x53: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x52, &mut x53, x40, 0xffffffff);
-  let mut x54: u32 = 0;
-  let mut x55: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x54, &mut x55, x40, 0xfffffffe);
-  let mut x56: u32 = 0;
-  let mut x57: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x56, &mut x57, x40, 0xfffffc2f);
-  let mut x58: u32 = 0;
-  let mut x59: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x58, &mut x59, 0x0, x57, x54);
-  let mut x60: u32 = 0;
-  let mut x61: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x60, &mut x61, x59, x55, x52);
-  let mut x62: u32 = 0;
-  let mut x63: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x62, &mut x63, x61, x53, x50);
-  let mut x64: u32 = 0;
-  let mut x65: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x64, &mut x65, x63, x51, x48);
-  let mut x66: u32 = 0;
-  let mut x67: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x66, &mut x67, x65, x49, x46);
-  let mut x68: u32 = 0;
-  let mut x69: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x68, &mut x69, x67, x47, x44);
-  let mut x70: u32 = 0;
-  let mut x71: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x70, &mut x71, x69, x45, x42);
-  let x72: u32 = ((x71 as u32) + x43);
-  let mut x73: u32 = 0;
-  let mut x74: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x73, &mut x74, 0x0, x23, x56);
-  let mut x75: u32 = 0;
-  let mut x76: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x75, &mut x76, x74, x25, x58);
-  let mut x77: u32 = 0;
-  let mut x78: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x77, &mut x78, x76, x27, x60);
-  let mut x79: u32 = 0;
-  let mut x80: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x79, &mut x80, x78, x29, x62);
-  let mut x81: u32 = 0;
-  let mut x82: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x81, &mut x82, x80, x31, x64);
-  let mut x83: u32 = 0;
-  let mut x84: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x83, &mut x84, x82, x33, x66);
-  let mut x85: u32 = 0;
-  let mut x86: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x85, &mut x86, x84, x35, x68);
-  let mut x87: u32 = 0;
-  let mut x88: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x87, &mut x88, x86, x37, x70);
-  let mut x89: u32 = 0;
-  let mut x90: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x89, &mut x90, x88, x39, x72);
-  let mut x91: u32 = 0;
-  let mut x92: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x91, &mut x92, x1, (arg2[7]));
-  let mut x93: u32 = 0;
-  let mut x94: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x93, &mut x94, x1, (arg2[6]));
-  let mut x95: u32 = 0;
-  let mut x96: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x95, &mut x96, x1, (arg2[5]));
-  let mut x97: u32 = 0;
-  let mut x98: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x97, &mut x98, x1, (arg2[4]));
-  let mut x99: u32 = 0;
-  let mut x100: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x99, &mut x100, x1, (arg2[3]));
-  let mut x101: u32 = 0;
-  let mut x102: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x101, &mut x102, x1, (arg2[2]));
-  let mut x103: u32 = 0;
-  let mut x104: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x103, &mut x104, x1, (arg2[1]));
-  let mut x105: u32 = 0;
-  let mut x106: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x105, &mut x106, x1, (arg2[0]));
-  let mut x107: u32 = 0;
-  let mut x108: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x107, &mut x108, 0x0, x106, x103);
-  let mut x109: u32 = 0;
-  let mut x110: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x109, &mut x110, x108, x104, x101);
-  let mut x111: u32 = 0;
-  let mut x112: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x111, &mut x112, x110, x102, x99);
-  let mut x113: u32 = 0;
-  let mut x114: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x113, &mut x114, x112, x100, x97);
-  let mut x115: u32 = 0;
-  let mut x116: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x115, &mut x116, x114, x98, x95);
-  let mut x117: u32 = 0;
-  let mut x118: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x117, &mut x118, x116, x96, x93);
-  let mut x119: u32 = 0;
-  let mut x120: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x119, &mut x120, x118, x94, x91);
-  let x121: u32 = ((x120 as u32) + x92);
-  let mut x122: u32 = 0;
-  let mut x123: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x122, &mut x123, 0x0, x75, x105);
-  let mut x124: u32 = 0;
-  let mut x125: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x124, &mut x125, x123, x77, x107);
-  let mut x126: u32 = 0;
-  let mut x127: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x126, &mut x127, x125, x79, x109);
-  let mut x128: u32 = 0;
-  let mut x129: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x128, &mut x129, x127, x81, x111);
-  let mut x130: u32 = 0;
-  let mut x131: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x130, &mut x131, x129, x83, x113);
-  let mut x132: u32 = 0;
-  let mut x133: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x132, &mut x133, x131, x85, x115);
-  let mut x134: u32 = 0;
-  let mut x135: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x134, &mut x135, x133, x87, x117);
-  let mut x136: u32 = 0;
-  let mut x137: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x136, &mut x137, x135, x89, x119);
-  let mut x138: u32 = 0;
-  let mut x139: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x138, &mut x139, x137, (x90 as u32), x121);
-  let mut x140: u32 = 0;
-  let mut x141: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x140, &mut x141, x122, 0xd2253531);
-  let mut x142: u32 = 0;
-  let mut x143: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x142, &mut x143, x140, 0xffffffff);
-  let mut x144: u32 = 0;
-  let mut x145: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x144, &mut x145, x140, 0xffffffff);
-  let mut x146: u32 = 0;
-  let mut x147: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x146, &mut x147, x140, 0xffffffff);
-  let mut x148: u32 = 0;
-  let mut x149: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x148, &mut x149, x140, 0xffffffff);
-  let mut x150: u32 = 0;
-  let mut x151: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x150, &mut x151, x140, 0xffffffff);
-  let mut x152: u32 = 0;
-  let mut x153: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x152, &mut x153, x140, 0xffffffff);
-  let mut x154: u32 = 0;
-  let mut x155: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x154, &mut x155, x140, 0xfffffffe);
-  let mut x156: u32 = 0;
-  let mut x157: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x156, &mut x157, x140, 0xfffffc2f);
-  let mut x158: u32 = 0;
-  let mut x159: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x158, &mut x159, 0x0, x157, x154);
-  let mut x160: u32 = 0;
-  let mut x161: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x160, &mut x161, x159, x155, x152);
-  let mut x162: u32 = 0;
-  let mut x163: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x162, &mut x163, x161, x153, x150);
-  let mut x164: u32 = 0;
-  let mut x165: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x164, &mut x165, x163, x151, x148);
-  let mut x166: u32 = 0;
-  let mut x167: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x166, &mut x167, x165, x149, x146);
-  let mut x168: u32 = 0;
-  let mut x169: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x168, &mut x169, x167, x147, x144);
-  let mut x170: u32 = 0;
-  let mut x171: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x170, &mut x171, x169, x145, x142);
-  let x172: u32 = ((x171 as u32) + x143);
-  let mut x173: u32 = 0;
-  let mut x174: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x173, &mut x174, 0x0, x122, x156);
-  let mut x175: u32 = 0;
-  let mut x176: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x175, &mut x176, x174, x124, x158);
-  let mut x177: u32 = 0;
-  let mut x178: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x177, &mut x178, x176, x126, x160);
-  let mut x179: u32 = 0;
-  let mut x180: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x179, &mut x180, x178, x128, x162);
-  let mut x181: u32 = 0;
-  let mut x182: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x181, &mut x182, x180, x130, x164);
-  let mut x183: u32 = 0;
-  let mut x184: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x183, &mut x184, x182, x132, x166);
-  let mut x185: u32 = 0;
-  let mut x186: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x185, &mut x186, x184, x134, x168);
-  let mut x187: u32 = 0;
-  let mut x188: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x187, &mut x188, x186, x136, x170);
-  let mut x189: u32 = 0;
-  let mut x190: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x189, &mut x190, x188, x138, x172);
-  let x191: u32 = ((x190 as u32) + (x139 as u32));
-  let mut x192: u32 = 0;
-  let mut x193: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x192, &mut x193, x2, (arg2[7]));
-  let mut x194: u32 = 0;
-  let mut x195: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x194, &mut x195, x2, (arg2[6]));
-  let mut x196: u32 = 0;
-  let mut x197: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x196, &mut x197, x2, (arg2[5]));
-  let mut x198: u32 = 0;
-  let mut x199: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x198, &mut x199, x2, (arg2[4]));
-  let mut x200: u32 = 0;
-  let mut x201: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x200, &mut x201, x2, (arg2[3]));
-  let mut x202: u32 = 0;
-  let mut x203: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x202, &mut x203, x2, (arg2[2]));
-  let mut x204: u32 = 0;
-  let mut x205: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x204, &mut x205, x2, (arg2[1]));
-  let mut x206: u32 = 0;
-  let mut x207: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x206, &mut x207, x2, (arg2[0]));
-  let mut x208: u32 = 0;
-  let mut x209: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x208, &mut x209, 0x0, x207, x204);
-  let mut x210: u32 = 0;
-  let mut x211: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x210, &mut x211, x209, x205, x202);
-  let mut x212: u32 = 0;
-  let mut x213: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x212, &mut x213, x211, x203, x200);
-  let mut x214: u32 = 0;
-  let mut x215: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x214, &mut x215, x213, x201, x198);
-  let mut x216: u32 = 0;
-  let mut x217: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x216, &mut x217, x215, x199, x196);
-  let mut x218: u32 = 0;
-  let mut x219: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x218, &mut x219, x217, x197, x194);
-  let mut x220: u32 = 0;
-  let mut x221: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x220, &mut x221, x219, x195, x192);
-  let x222: u32 = ((x221 as u32) + x193);
-  let mut x223: u32 = 0;
-  let mut x224: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x223, &mut x224, 0x0, x175, x206);
-  let mut x225: u32 = 0;
-  let mut x226: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x225, &mut x226, x224, x177, x208);
-  let mut x227: u32 = 0;
-  let mut x228: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x227, &mut x228, x226, x179, x210);
-  let mut x229: u32 = 0;
-  let mut x230: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x229, &mut x230, x228, x181, x212);
-  let mut x231: u32 = 0;
-  let mut x232: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x231, &mut x232, x230, x183, x214);
-  let mut x233: u32 = 0;
-  let mut x234: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x233, &mut x234, x232, x185, x216);
-  let mut x235: u32 = 0;
-  let mut x236: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x235, &mut x236, x234, x187, x218);
-  let mut x237: u32 = 0;
-  let mut x238: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x237, &mut x238, x236, x189, x220);
-  let mut x239: u32 = 0;
-  let mut x240: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x239, &mut x240, x238, x191, x222);
-  let mut x241: u32 = 0;
-  let mut x242: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x241, &mut x242, x223, 0xd2253531);
-  let mut x243: u32 = 0;
-  let mut x244: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x243, &mut x244, x241, 0xffffffff);
-  let mut x245: u32 = 0;
-  let mut x246: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x245, &mut x246, x241, 0xffffffff);
-  let mut x247: u32 = 0;
-  let mut x248: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x247, &mut x248, x241, 0xffffffff);
-  let mut x249: u32 = 0;
-  let mut x250: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x249, &mut x250, x241, 0xffffffff);
-  let mut x251: u32 = 0;
-  let mut x252: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x251, &mut x252, x241, 0xffffffff);
-  let mut x253: u32 = 0;
-  let mut x254: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x253, &mut x254, x241, 0xffffffff);
-  let mut x255: u32 = 0;
-  let mut x256: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x255, &mut x256, x241, 0xfffffffe);
-  let mut x257: u32 = 0;
-  let mut x258: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x257, &mut x258, x241, 0xfffffc2f);
-  let mut x259: u32 = 0;
-  let mut x260: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x259, &mut x260, 0x0, x258, x255);
-  let mut x261: u32 = 0;
-  let mut x262: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x261, &mut x262, x260, x256, x253);
-  let mut x263: u32 = 0;
-  let mut x264: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x263, &mut x264, x262, x254, x251);
-  let mut x265: u32 = 0;
-  let mut x266: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x265, &mut x266, x264, x252, x249);
-  let mut x267: u32 = 0;
-  let mut x268: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x267, &mut x268, x266, x250, x247);
-  let mut x269: u32 = 0;
-  let mut x270: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x269, &mut x270, x268, x248, x245);
-  let mut x271: u32 = 0;
-  let mut x272: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x271, &mut x272, x270, x246, x243);
-  let x273: u32 = ((x272 as u32) + x244);
-  let mut x274: u32 = 0;
-  let mut x275: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x274, &mut x275, 0x0, x223, x257);
-  let mut x276: u32 = 0;
-  let mut x277: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x276, &mut x277, x275, x225, x259);
-  let mut x278: u32 = 0;
-  let mut x279: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x278, &mut x279, x277, x227, x261);
-  let mut x280: u32 = 0;
-  let mut x281: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x280, &mut x281, x279, x229, x263);
-  let mut x282: u32 = 0;
-  let mut x283: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x282, &mut x283, x281, x231, x265);
-  let mut x284: u32 = 0;
-  let mut x285: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x284, &mut x285, x283, x233, x267);
-  let mut x286: u32 = 0;
-  let mut x287: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x286, &mut x287, x285, x235, x269);
-  let mut x288: u32 = 0;
-  let mut x289: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x288, &mut x289, x287, x237, x271);
-  let mut x290: u32 = 0;
-  let mut x291: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x290, &mut x291, x289, x239, x273);
-  let x292: u32 = ((x291 as u32) + (x240 as u32));
-  let mut x293: u32 = 0;
-  let mut x294: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x293, &mut x294, x3, (arg2[7]));
-  let mut x295: u32 = 0;
-  let mut x296: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x295, &mut x296, x3, (arg2[6]));
-  let mut x297: u32 = 0;
-  let mut x298: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x297, &mut x298, x3, (arg2[5]));
-  let mut x299: u32 = 0;
-  let mut x300: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x299, &mut x300, x3, (arg2[4]));
-  let mut x301: u32 = 0;
-  let mut x302: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x301, &mut x302, x3, (arg2[3]));
-  let mut x303: u32 = 0;
-  let mut x304: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x303, &mut x304, x3, (arg2[2]));
-  let mut x305: u32 = 0;
-  let mut x306: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x305, &mut x306, x3, (arg2[1]));
-  let mut x307: u32 = 0;
-  let mut x308: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x307, &mut x308, x3, (arg2[0]));
-  let mut x309: u32 = 0;
-  let mut x310: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x309, &mut x310, 0x0, x308, x305);
-  let mut x311: u32 = 0;
-  let mut x312: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x311, &mut x312, x310, x306, x303);
-  let mut x313: u32 = 0;
-  let mut x314: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x313, &mut x314, x312, x304, x301);
-  let mut x315: u32 = 0;
-  let mut x316: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x315, &mut x316, x314, x302, x299);
-  let mut x317: u32 = 0;
-  let mut x318: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x317, &mut x318, x316, x300, x297);
-  let mut x319: u32 = 0;
-  let mut x320: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x319, &mut x320, x318, x298, x295);
-  let mut x321: u32 = 0;
-  let mut x322: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x321, &mut x322, x320, x296, x293);
-  let x323: u32 = ((x322 as u32) + x294);
-  let mut x324: u32 = 0;
-  let mut x325: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x324, &mut x325, 0x0, x276, x307);
-  let mut x326: u32 = 0;
-  let mut x327: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x326, &mut x327, x325, x278, x309);
-  let mut x328: u32 = 0;
-  let mut x329: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x328, &mut x329, x327, x280, x311);
-  let mut x330: u32 = 0;
-  let mut x331: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x330, &mut x331, x329, x282, x313);
-  let mut x332: u32 = 0;
-  let mut x333: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x332, &mut x333, x331, x284, x315);
-  let mut x334: u32 = 0;
-  let mut x335: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x334, &mut x335, x333, x286, x317);
-  let mut x336: u32 = 0;
-  let mut x337: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x336, &mut x337, x335, x288, x319);
-  let mut x338: u32 = 0;
-  let mut x339: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x338, &mut x339, x337, x290, x321);
-  let mut x340: u32 = 0;
-  let mut x341: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x340, &mut x341, x339, x292, x323);
-  let mut x342: u32 = 0;
-  let mut x343: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x342, &mut x343, x324, 0xd2253531);
-  let mut x344: u32 = 0;
-  let mut x345: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x344, &mut x345, x342, 0xffffffff);
-  let mut x346: u32 = 0;
-  let mut x347: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x346, &mut x347, x342, 0xffffffff);
-  let mut x348: u32 = 0;
-  let mut x349: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x348, &mut x349, x342, 0xffffffff);
-  let mut x350: u32 = 0;
-  let mut x351: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x350, &mut x351, x342, 0xffffffff);
-  let mut x352: u32 = 0;
-  let mut x353: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x352, &mut x353, x342, 0xffffffff);
-  let mut x354: u32 = 0;
-  let mut x355: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x354, &mut x355, x342, 0xffffffff);
-  let mut x356: u32 = 0;
-  let mut x357: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x356, &mut x357, x342, 0xfffffffe);
-  let mut x358: u32 = 0;
-  let mut x359: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x358, &mut x359, x342, 0xfffffc2f);
-  let mut x360: u32 = 0;
-  let mut x361: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x360, &mut x361, 0x0, x359, x356);
-  let mut x362: u32 = 0;
-  let mut x363: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x362, &mut x363, x361, x357, x354);
-  let mut x364: u32 = 0;
-  let mut x365: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x364, &mut x365, x363, x355, x352);
-  let mut x366: u32 = 0;
-  let mut x367: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x366, &mut x367, x365, x353, x350);
-  let mut x368: u32 = 0;
-  let mut x369: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x368, &mut x369, x367, x351, x348);
-  let mut x370: u32 = 0;
-  let mut x371: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x370, &mut x371, x369, x349, x346);
-  let mut x372: u32 = 0;
-  let mut x373: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x372, &mut x373, x371, x347, x344);
-  let x374: u32 = ((x373 as u32) + x345);
-  let mut x375: u32 = 0;
-  let mut x376: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x375, &mut x376, 0x0, x324, x358);
-  let mut x377: u32 = 0;
-  let mut x378: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x377, &mut x378, x376, x326, x360);
-  let mut x379: u32 = 0;
-  let mut x380: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x379, &mut x380, x378, x328, x362);
-  let mut x381: u32 = 0;
-  let mut x382: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x381, &mut x382, x380, x330, x364);
-  let mut x383: u32 = 0;
-  let mut x384: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x383, &mut x384, x382, x332, x366);
-  let mut x385: u32 = 0;
-  let mut x386: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x385, &mut x386, x384, x334, x368);
-  let mut x387: u32 = 0;
-  let mut x388: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x387, &mut x388, x386, x336, x370);
-  let mut x389: u32 = 0;
-  let mut x390: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x389, &mut x390, x388, x338, x372);
-  let mut x391: u32 = 0;
-  let mut x392: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x391, &mut x392, x390, x340, x374);
-  let x393: u32 = ((x392 as u32) + (x341 as u32));
-  let mut x394: u32 = 0;
-  let mut x395: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x394, &mut x395, x4, (arg2[7]));
-  let mut x396: u32 = 0;
-  let mut x397: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x396, &mut x397, x4, (arg2[6]));
-  let mut x398: u32 = 0;
-  let mut x399: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x398, &mut x399, x4, (arg2[5]));
-  let mut x400: u32 = 0;
-  let mut x401: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x400, &mut x401, x4, (arg2[4]));
-  let mut x402: u32 = 0;
-  let mut x403: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x402, &mut x403, x4, (arg2[3]));
-  let mut x404: u32 = 0;
-  let mut x405: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x404, &mut x405, x4, (arg2[2]));
-  let mut x406: u32 = 0;
-  let mut x407: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x406, &mut x407, x4, (arg2[1]));
-  let mut x408: u32 = 0;
-  let mut x409: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x408, &mut x409, x4, (arg2[0]));
-  let mut x410: u32 = 0;
-  let mut x411: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x410, &mut x411, 0x0, x409, x406);
-  let mut x412: u32 = 0;
-  let mut x413: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x412, &mut x413, x411, x407, x404);
-  let mut x414: u32 = 0;
-  let mut x415: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x414, &mut x415, x413, x405, x402);
-  let mut x416: u32 = 0;
-  let mut x417: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x416, &mut x417, x415, x403, x400);
-  let mut x418: u32 = 0;
-  let mut x419: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x418, &mut x419, x417, x401, x398);
-  let mut x420: u32 = 0;
-  let mut x421: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x420, &mut x421, x419, x399, x396);
-  let mut x422: u32 = 0;
-  let mut x423: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x422, &mut x423, x421, x397, x394);
-  let x424: u32 = ((x423 as u32) + x395);
-  let mut x425: u32 = 0;
-  let mut x426: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x425, &mut x426, 0x0, x377, x408);
-  let mut x427: u32 = 0;
-  let mut x428: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x427, &mut x428, x426, x379, x410);
-  let mut x429: u32 = 0;
-  let mut x430: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x429, &mut x430, x428, x381, x412);
-  let mut x431: u32 = 0;
-  let mut x432: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x431, &mut x432, x430, x383, x414);
-  let mut x433: u32 = 0;
-  let mut x434: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x433, &mut x434, x432, x385, x416);
-  let mut x435: u32 = 0;
-  let mut x436: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x435, &mut x436, x434, x387, x418);
-  let mut x437: u32 = 0;
-  let mut x438: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x437, &mut x438, x436, x389, x420);
-  let mut x439: u32 = 0;
-  let mut x440: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x439, &mut x440, x438, x391, x422);
-  let mut x441: u32 = 0;
-  let mut x442: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x441, &mut x442, x440, x393, x424);
-  let mut x443: u32 = 0;
-  let mut x444: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x443, &mut x444, x425, 0xd2253531);
-  let mut x445: u32 = 0;
-  let mut x446: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x445, &mut x446, x443, 0xffffffff);
-  let mut x447: u32 = 0;
-  let mut x448: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x447, &mut x448, x443, 0xffffffff);
-  let mut x449: u32 = 0;
-  let mut x450: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x449, &mut x450, x443, 0xffffffff);
-  let mut x451: u32 = 0;
-  let mut x452: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x451, &mut x452, x443, 0xffffffff);
-  let mut x453: u32 = 0;
-  let mut x454: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x453, &mut x454, x443, 0xffffffff);
-  let mut x455: u32 = 0;
-  let mut x456: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x455, &mut x456, x443, 0xffffffff);
-  let mut x457: u32 = 0;
-  let mut x458: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x457, &mut x458, x443, 0xfffffffe);
-  let mut x459: u32 = 0;
-  let mut x460: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x459, &mut x460, x443, 0xfffffc2f);
-  let mut x461: u32 = 0;
-  let mut x462: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x461, &mut x462, 0x0, x460, x457);
-  let mut x463: u32 = 0;
-  let mut x464: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x463, &mut x464, x462, x458, x455);
-  let mut x465: u32 = 0;
-  let mut x466: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x465, &mut x466, x464, x456, x453);
-  let mut x467: u32 = 0;
-  let mut x468: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x467, &mut x468, x466, x454, x451);
-  let mut x469: u32 = 0;
-  let mut x470: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x469, &mut x470, x468, x452, x449);
-  let mut x471: u32 = 0;
-  let mut x472: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x471, &mut x472, x470, x450, x447);
-  let mut x473: u32 = 0;
-  let mut x474: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x473, &mut x474, x472, x448, x445);
-  let x475: u32 = ((x474 as u32) + x446);
-  let mut x476: u32 = 0;
-  let mut x477: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x476, &mut x477, 0x0, x425, x459);
-  let mut x478: u32 = 0;
-  let mut x479: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x478, &mut x479, x477, x427, x461);
-  let mut x480: u32 = 0;
-  let mut x481: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x480, &mut x481, x479, x429, x463);
-  let mut x482: u32 = 0;
-  let mut x483: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x482, &mut x483, x481, x431, x465);
-  let mut x484: u32 = 0;
-  let mut x485: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x484, &mut x485, x483, x433, x467);
-  let mut x486: u32 = 0;
-  let mut x487: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x486, &mut x487, x485, x435, x469);
-  let mut x488: u32 = 0;
-  let mut x489: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x488, &mut x489, x487, x437, x471);
-  let mut x490: u32 = 0;
-  let mut x491: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x490, &mut x491, x489, x439, x473);
-  let mut x492: u32 = 0;
-  let mut x493: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x492, &mut x493, x491, x441, x475);
-  let x494: u32 = ((x493 as u32) + (x442 as u32));
-  let mut x495: u32 = 0;
-  let mut x496: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x495, &mut x496, x5, (arg2[7]));
-  let mut x497: u32 = 0;
-  let mut x498: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x497, &mut x498, x5, (arg2[6]));
-  let mut x499: u32 = 0;
-  let mut x500: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x499, &mut x500, x5, (arg2[5]));
-  let mut x501: u32 = 0;
-  let mut x502: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x501, &mut x502, x5, (arg2[4]));
-  let mut x503: u32 = 0;
-  let mut x504: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x503, &mut x504, x5, (arg2[3]));
-  let mut x505: u32 = 0;
-  let mut x506: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x505, &mut x506, x5, (arg2[2]));
-  let mut x507: u32 = 0;
-  let mut x508: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x507, &mut x508, x5, (arg2[1]));
-  let mut x509: u32 = 0;
-  let mut x510: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x509, &mut x510, x5, (arg2[0]));
-  let mut x511: u32 = 0;
-  let mut x512: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x511, &mut x512, 0x0, x510, x507);
-  let mut x513: u32 = 0;
-  let mut x514: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x513, &mut x514, x512, x508, x505);
-  let mut x515: u32 = 0;
-  let mut x516: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x515, &mut x516, x514, x506, x503);
-  let mut x517: u32 = 0;
-  let mut x518: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x517, &mut x518, x516, x504, x501);
-  let mut x519: u32 = 0;
-  let mut x520: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x519, &mut x520, x518, x502, x499);
-  let mut x521: u32 = 0;
-  let mut x522: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x521, &mut x522, x520, x500, x497);
-  let mut x523: u32 = 0;
-  let mut x524: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x523, &mut x524, x522, x498, x495);
-  let x525: u32 = ((x524 as u32) + x496);
-  let mut x526: u32 = 0;
-  let mut x527: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x526, &mut x527, 0x0, x478, x509);
-  let mut x528: u32 = 0;
-  let mut x529: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x528, &mut x529, x527, x480, x511);
-  let mut x530: u32 = 0;
-  let mut x531: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x530, &mut x531, x529, x482, x513);
-  let mut x532: u32 = 0;
-  let mut x533: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x532, &mut x533, x531, x484, x515);
-  let mut x534: u32 = 0;
-  let mut x535: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x534, &mut x535, x533, x486, x517);
-  let mut x536: u32 = 0;
-  let mut x537: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x536, &mut x537, x535, x488, x519);
-  let mut x538: u32 = 0;
-  let mut x539: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x538, &mut x539, x537, x490, x521);
-  let mut x540: u32 = 0;
-  let mut x541: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x540, &mut x541, x539, x492, x523);
-  let mut x542: u32 = 0;
-  let mut x543: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x542, &mut x543, x541, x494, x525);
-  let mut x544: u32 = 0;
-  let mut x545: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x544, &mut x545, x526, 0xd2253531);
-  let mut x546: u32 = 0;
-  let mut x547: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x546, &mut x547, x544, 0xffffffff);
-  let mut x548: u32 = 0;
-  let mut x549: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x548, &mut x549, x544, 0xffffffff);
-  let mut x550: u32 = 0;
-  let mut x551: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x550, &mut x551, x544, 0xffffffff);
-  let mut x552: u32 = 0;
-  let mut x553: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x552, &mut x553, x544, 0xffffffff);
-  let mut x554: u32 = 0;
-  let mut x555: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x554, &mut x555, x544, 0xffffffff);
-  let mut x556: u32 = 0;
-  let mut x557: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x556, &mut x557, x544, 0xffffffff);
-  let mut x558: u32 = 0;
-  let mut x559: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x558, &mut x559, x544, 0xfffffffe);
-  let mut x560: u32 = 0;
-  let mut x561: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x560, &mut x561, x544, 0xfffffc2f);
-  let mut x562: u32 = 0;
-  let mut x563: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x562, &mut x563, 0x0, x561, x558);
-  let mut x564: u32 = 0;
-  let mut x565: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x564, &mut x565, x563, x559, x556);
-  let mut x566: u32 = 0;
-  let mut x567: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x566, &mut x567, x565, x557, x554);
-  let mut x568: u32 = 0;
-  let mut x569: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x568, &mut x569, x567, x555, x552);
-  let mut x570: u32 = 0;
-  let mut x571: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x570, &mut x571, x569, x553, x550);
-  let mut x572: u32 = 0;
-  let mut x573: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x572, &mut x573, x571, x551, x548);
-  let mut x574: u32 = 0;
-  let mut x575: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x574, &mut x575, x573, x549, x546);
-  let x576: u32 = ((x575 as u32) + x547);
-  let mut x577: u32 = 0;
-  let mut x578: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x577, &mut x578, 0x0, x526, x560);
-  let mut x579: u32 = 0;
-  let mut x580: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x579, &mut x580, x578, x528, x562);
-  let mut x581: u32 = 0;
-  let mut x582: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x581, &mut x582, x580, x530, x564);
-  let mut x583: u32 = 0;
-  let mut x584: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x583, &mut x584, x582, x532, x566);
-  let mut x585: u32 = 0;
-  let mut x586: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x585, &mut x586, x584, x534, x568);
-  let mut x587: u32 = 0;
-  let mut x588: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x587, &mut x588, x586, x536, x570);
-  let mut x589: u32 = 0;
-  let mut x590: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x589, &mut x590, x588, x538, x572);
-  let mut x591: u32 = 0;
-  let mut x592: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x591, &mut x592, x590, x540, x574);
-  let mut x593: u32 = 0;
-  let mut x594: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x593, &mut x594, x592, x542, x576);
-  let x595: u32 = ((x594 as u32) + (x543 as u32));
-  let mut x596: u32 = 0;
-  let mut x597: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x596, &mut x597, x6, (arg2[7]));
-  let mut x598: u32 = 0;
-  let mut x599: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x598, &mut x599, x6, (arg2[6]));
-  let mut x600: u32 = 0;
-  let mut x601: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x600, &mut x601, x6, (arg2[5]));
-  let mut x602: u32 = 0;
-  let mut x603: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x602, &mut x603, x6, (arg2[4]));
-  let mut x604: u32 = 0;
-  let mut x605: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x604, &mut x605, x6, (arg2[3]));
-  let mut x606: u32 = 0;
-  let mut x607: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x606, &mut x607, x6, (arg2[2]));
-  let mut x608: u32 = 0;
-  let mut x609: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x608, &mut x609, x6, (arg2[1]));
-  let mut x610: u32 = 0;
-  let mut x611: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x610, &mut x611, x6, (arg2[0]));
-  let mut x612: u32 = 0;
-  let mut x613: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x612, &mut x613, 0x0, x611, x608);
-  let mut x614: u32 = 0;
-  let mut x615: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x614, &mut x615, x613, x609, x606);
-  let mut x616: u32 = 0;
-  let mut x617: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x616, &mut x617, x615, x607, x604);
-  let mut x618: u32 = 0;
-  let mut x619: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x618, &mut x619, x617, x605, x602);
-  let mut x620: u32 = 0;
-  let mut x621: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x620, &mut x621, x619, x603, x600);
-  let mut x622: u32 = 0;
-  let mut x623: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x622, &mut x623, x621, x601, x598);
-  let mut x624: u32 = 0;
-  let mut x625: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x624, &mut x625, x623, x599, x596);
-  let x626: u32 = ((x625 as u32) + x597);
-  let mut x627: u32 = 0;
-  let mut x628: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x627, &mut x628, 0x0, x579, x610);
-  let mut x629: u32 = 0;
-  let mut x630: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x629, &mut x630, x628, x581, x612);
-  let mut x631: u32 = 0;
-  let mut x632: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x631, &mut x632, x630, x583, x614);
-  let mut x633: u32 = 0;
-  let mut x634: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x633, &mut x634, x632, x585, x616);
-  let mut x635: u32 = 0;
-  let mut x636: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x635, &mut x636, x634, x587, x618);
-  let mut x637: u32 = 0;
-  let mut x638: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x637, &mut x638, x636, x589, x620);
-  let mut x639: u32 = 0;
-  let mut x640: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x639, &mut x640, x638, x591, x622);
-  let mut x641: u32 = 0;
-  let mut x642: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x641, &mut x642, x640, x593, x624);
-  let mut x643: u32 = 0;
-  let mut x644: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x643, &mut x644, x642, x595, x626);
-  let mut x645: u32 = 0;
-  let mut x646: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x645, &mut x646, x627, 0xd2253531);
-  let mut x647: u32 = 0;
-  let mut x648: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x647, &mut x648, x645, 0xffffffff);
-  let mut x649: u32 = 0;
-  let mut x650: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x649, &mut x650, x645, 0xffffffff);
-  let mut x651: u32 = 0;
-  let mut x652: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x651, &mut x652, x645, 0xffffffff);
-  let mut x653: u32 = 0;
-  let mut x654: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x653, &mut x654, x645, 0xffffffff);
-  let mut x655: u32 = 0;
-  let mut x656: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x655, &mut x656, x645, 0xffffffff);
-  let mut x657: u32 = 0;
-  let mut x658: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x657, &mut x658, x645, 0xffffffff);
-  let mut x659: u32 = 0;
-  let mut x660: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x659, &mut x660, x645, 0xfffffffe);
-  let mut x661: u32 = 0;
-  let mut x662: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x661, &mut x662, x645, 0xfffffc2f);
-  let mut x663: u32 = 0;
-  let mut x664: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x663, &mut x664, 0x0, x662, x659);
-  let mut x665: u32 = 0;
-  let mut x666: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x665, &mut x666, x664, x660, x657);
-  let mut x667: u32 = 0;
-  let mut x668: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x667, &mut x668, x666, x658, x655);
-  let mut x669: u32 = 0;
-  let mut x670: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x669, &mut x670, x668, x656, x653);
-  let mut x671: u32 = 0;
-  let mut x672: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x671, &mut x672, x670, x654, x651);
-  let mut x673: u32 = 0;
-  let mut x674: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x673, &mut x674, x672, x652, x649);
-  let mut x675: u32 = 0;
-  let mut x676: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x675, &mut x676, x674, x650, x647);
-  let x677: u32 = ((x676 as u32) + x648);
-  let mut x678: u32 = 0;
-  let mut x679: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x678, &mut x679, 0x0, x627, x661);
-  let mut x680: u32 = 0;
-  let mut x681: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x680, &mut x681, x679, x629, x663);
-  let mut x682: u32 = 0;
-  let mut x683: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x682, &mut x683, x681, x631, x665);
-  let mut x684: u32 = 0;
-  let mut x685: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x684, &mut x685, x683, x633, x667);
-  let mut x686: u32 = 0;
-  let mut x687: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x686, &mut x687, x685, x635, x669);
-  let mut x688: u32 = 0;
-  let mut x689: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x688, &mut x689, x687, x637, x671);
-  let mut x690: u32 = 0;
-  let mut x691: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x690, &mut x691, x689, x639, x673);
-  let mut x692: u32 = 0;
-  let mut x693: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x692, &mut x693, x691, x641, x675);
-  let mut x694: u32 = 0;
-  let mut x695: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x694, &mut x695, x693, x643, x677);
-  let x696: u32 = ((x695 as u32) + (x644 as u32));
-  let mut x697: u32 = 0;
-  let mut x698: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x697, &mut x698, x7, (arg2[7]));
-  let mut x699: u32 = 0;
-  let mut x700: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x699, &mut x700, x7, (arg2[6]));
-  let mut x701: u32 = 0;
-  let mut x702: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x701, &mut x702, x7, (arg2[5]));
-  let mut x703: u32 = 0;
-  let mut x704: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x703, &mut x704, x7, (arg2[4]));
-  let mut x705: u32 = 0;
-  let mut x706: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x705, &mut x706, x7, (arg2[3]));
-  let mut x707: u32 = 0;
-  let mut x708: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x707, &mut x708, x7, (arg2[2]));
-  let mut x709: u32 = 0;
-  let mut x710: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x709, &mut x710, x7, (arg2[1]));
-  let mut x711: u32 = 0;
-  let mut x712: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x711, &mut x712, x7, (arg2[0]));
-  let mut x713: u32 = 0;
-  let mut x714: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x713, &mut x714, 0x0, x712, x709);
-  let mut x715: u32 = 0;
-  let mut x716: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x715, &mut x716, x714, x710, x707);
-  let mut x717: u32 = 0;
-  let mut x718: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x717, &mut x718, x716, x708, x705);
-  let mut x719: u32 = 0;
-  let mut x720: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x719, &mut x720, x718, x706, x703);
-  let mut x721: u32 = 0;
-  let mut x722: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x721, &mut x722, x720, x704, x701);
-  let mut x723: u32 = 0;
-  let mut x724: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x723, &mut x724, x722, x702, x699);
-  let mut x725: u32 = 0;
-  let mut x726: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x725, &mut x726, x724, x700, x697);
-  let x727: u32 = ((x726 as u32) + x698);
-  let mut x728: u32 = 0;
-  let mut x729: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x728, &mut x729, 0x0, x680, x711);
-  let mut x730: u32 = 0;
-  let mut x731: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x730, &mut x731, x729, x682, x713);
-  let mut x732: u32 = 0;
-  let mut x733: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x732, &mut x733, x731, x684, x715);
-  let mut x734: u32 = 0;
-  let mut x735: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x734, &mut x735, x733, x686, x717);
-  let mut x736: u32 = 0;
-  let mut x737: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x736, &mut x737, x735, x688, x719);
-  let mut x738: u32 = 0;
-  let mut x739: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x738, &mut x739, x737, x690, x721);
-  let mut x740: u32 = 0;
-  let mut x741: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x740, &mut x741, x739, x692, x723);
-  let mut x742: u32 = 0;
-  let mut x743: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x742, &mut x743, x741, x694, x725);
-  let mut x744: u32 = 0;
-  let mut x745: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x744, &mut x745, x743, x696, x727);
-  let mut x746: u32 = 0;
-  let mut x747: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x746, &mut x747, x728, 0xd2253531);
-  let mut x748: u32 = 0;
-  let mut x749: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x748, &mut x749, x746, 0xffffffff);
-  let mut x750: u32 = 0;
-  let mut x751: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x750, &mut x751, x746, 0xffffffff);
-  let mut x752: u32 = 0;
-  let mut x753: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x752, &mut x753, x746, 0xffffffff);
-  let mut x754: u32 = 0;
-  let mut x755: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x754, &mut x755, x746, 0xffffffff);
-  let mut x756: u32 = 0;
-  let mut x757: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x756, &mut x757, x746, 0xffffffff);
-  let mut x758: u32 = 0;
-  let mut x759: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x758, &mut x759, x746, 0xffffffff);
-  let mut x760: u32 = 0;
-  let mut x761: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x760, &mut x761, x746, 0xfffffffe);
-  let mut x762: u32 = 0;
-  let mut x763: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x762, &mut x763, x746, 0xfffffc2f);
-  let mut x764: u32 = 0;
-  let mut x765: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x764, &mut x765, 0x0, x763, x760);
-  let mut x766: u32 = 0;
-  let mut x767: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x766, &mut x767, x765, x761, x758);
-  let mut x768: u32 = 0;
-  let mut x769: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x768, &mut x769, x767, x759, x756);
-  let mut x770: u32 = 0;
-  let mut x771: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x770, &mut x771, x769, x757, x754);
-  let mut x772: u32 = 0;
-  let mut x773: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x772, &mut x773, x771, x755, x752);
-  let mut x774: u32 = 0;
-  let mut x775: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x774, &mut x775, x773, x753, x750);
-  let mut x776: u32 = 0;
-  let mut x777: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x776, &mut x777, x775, x751, x748);
-  let x778: u32 = ((x777 as u32) + x749);
-  let mut x779: u32 = 0;
-  let mut x780: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x779, &mut x780, 0x0, x728, x762);
-  let mut x781: u32 = 0;
-  let mut x782: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x781, &mut x782, x780, x730, x764);
-  let mut x783: u32 = 0;
-  let mut x784: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x783, &mut x784, x782, x732, x766);
-  let mut x785: u32 = 0;
-  let mut x786: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x785, &mut x786, x784, x734, x768);
-  let mut x787: u32 = 0;
-  let mut x788: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x787, &mut x788, x786, x736, x770);
-  let mut x789: u32 = 0;
-  let mut x790: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x789, &mut x790, x788, x738, x772);
-  let mut x791: u32 = 0;
-  let mut x792: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x791, &mut x792, x790, x740, x774);
-  let mut x793: u32 = 0;
-  let mut x794: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x793, &mut x794, x792, x742, x776);
-  let mut x795: u32 = 0;
-  let mut x796: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x795, &mut x796, x794, x744, x778);
-  let x797: u32 = ((x796 as u32) + (x745 as u32));
-  let mut x798: u32 = 0;
-  let mut x799: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x798, &mut x799, 0x0, x781, 0xfffffc2f);
-  let mut x800: u32 = 0;
-  let mut x801: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x800, &mut x801, x799, x783, 0xfffffffe);
-  let mut x802: u32 = 0;
-  let mut x803: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x802, &mut x803, x801, x785, 0xffffffff);
-  let mut x804: u32 = 0;
-  let mut x805: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x804, &mut x805, x803, x787, 0xffffffff);
-  let mut x806: u32 = 0;
-  let mut x807: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x806, &mut x807, x805, x789, 0xffffffff);
-  let mut x808: u32 = 0;
-  let mut x809: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x808, &mut x809, x807, x791, 0xffffffff);
-  let mut x810: u32 = 0;
-  let mut x811: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x810, &mut x811, x809, x793, 0xffffffff);
-  let mut x812: u32 = 0;
-  let mut x813: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x812, &mut x813, x811, x795, 0xffffffff);
-  let mut x814: u32 = 0;
-  let mut x815: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x814, &mut x815, x813, x797, (0x0 as u32));
-  let mut x816: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x816, x815, x798, x781);
-  let mut x817: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x817, x815, x800, x783);
-  let mut x818: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x818, x815, x802, x785);
-  let mut x819: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x819, x815, x804, x787);
-  let mut x820: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x820, x815, x806, x789);
-  let mut x821: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x821, x815, x808, x791);
-  let mut x822: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x822, x815, x810, x793);
-  let mut x823: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x823, x815, x812, x795);
-  out1[0] = x816;
-  out1[1] = x817;
-  out1[2] = x818;
-  out1[3] = x819;
-  out1[4] = x820;
-  out1[5] = x821;
-  out1[6] = x822;
-  out1[7] = x823;
-}
-
-/// The function fiat_secp256k1_square squares a field element in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg1)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_square(out1: &mut fiat_secp256k1_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_domain_field_element) -> () {
-  let x1: u32 = (arg1[1]);
-  let x2: u32 = (arg1[2]);
-  let x3: u32 = (arg1[3]);
-  let x4: u32 = (arg1[4]);
-  let x5: u32 = (arg1[5]);
-  let x6: u32 = (arg1[6]);
-  let x7: u32 = (arg1[7]);
-  let x8: u32 = (arg1[0]);
-  let mut x9: u32 = 0;
-  let mut x10: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x9, &mut x10, x8, (arg1[7]));
-  let mut x11: u32 = 0;
-  let mut x12: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x11, &mut x12, x8, (arg1[6]));
-  let mut x13: u32 = 0;
-  let mut x14: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x13, &mut x14, x8, (arg1[5]));
-  let mut x15: u32 = 0;
-  let mut x16: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x15, &mut x16, x8, (arg1[4]));
-  let mut x17: u32 = 0;
-  let mut x18: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x17, &mut x18, x8, (arg1[3]));
-  let mut x19: u32 = 0;
-  let mut x20: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x19, &mut x20, x8, (arg1[2]));
-  let mut x21: u32 = 0;
-  let mut x22: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x21, &mut x22, x8, (arg1[1]));
-  let mut x23: u32 = 0;
-  let mut x24: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x23, &mut x24, x8, (arg1[0]));
-  let mut x25: u32 = 0;
-  let mut x26: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x25, &mut x26, 0x0, x24, x21);
-  let mut x27: u32 = 0;
-  let mut x28: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x27, &mut x28, x26, x22, x19);
-  let mut x29: u32 = 0;
-  let mut x30: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x29, &mut x30, x28, x20, x17);
-  let mut x31: u32 = 0;
-  let mut x32: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x31, &mut x32, x30, x18, x15);
-  let mut x33: u32 = 0;
-  let mut x34: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x33, &mut x34, x32, x16, x13);
-  let mut x35: u32 = 0;
-  let mut x36: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x35, &mut x36, x34, x14, x11);
-  let mut x37: u32 = 0;
-  let mut x38: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x37, &mut x38, x36, x12, x9);
-  let x39: u32 = ((x38 as u32) + x10);
-  let mut x40: u32 = 0;
-  let mut x41: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x40, &mut x41, x23, 0xd2253531);
-  let mut x42: u32 = 0;
-  let mut x43: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x42, &mut x43, x40, 0xffffffff);
-  let mut x44: u32 = 0;
-  let mut x45: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x44, &mut x45, x40, 0xffffffff);
-  let mut x46: u32 = 0;
-  let mut x47: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x46, &mut x47, x40, 0xffffffff);
-  let mut x48: u32 = 0;
-  let mut x49: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x48, &mut x49, x40, 0xffffffff);
-  let mut x50: u32 = 0;
-  let mut x51: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x50, &mut x51, x40, 0xffffffff);
-  let mut x52: u32 = 0;
-  let mut x53: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x52, &mut x53, x40, 0xffffffff);
-  let mut x54: u32 = 0;
-  let mut x55: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x54, &mut x55, x40, 0xfffffffe);
-  let mut x56: u32 = 0;
-  let mut x57: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x56, &mut x57, x40, 0xfffffc2f);
-  let mut x58: u32 = 0;
-  let mut x59: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x58, &mut x59, 0x0, x57, x54);
-  let mut x60: u32 = 0;
-  let mut x61: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x60, &mut x61, x59, x55, x52);
-  let mut x62: u32 = 0;
-  let mut x63: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x62, &mut x63, x61, x53, x50);
-  let mut x64: u32 = 0;
-  let mut x65: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x64, &mut x65, x63, x51, x48);
-  let mut x66: u32 = 0;
-  let mut x67: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x66, &mut x67, x65, x49, x46);
-  let mut x68: u32 = 0;
-  let mut x69: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x68, &mut x69, x67, x47, x44);
-  let mut x70: u32 = 0;
-  let mut x71: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x70, &mut x71, x69, x45, x42);
-  let x72: u32 = ((x71 as u32) + x43);
-  let mut x73: u32 = 0;
-  let mut x74: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x73, &mut x74, 0x0, x23, x56);
-  let mut x75: u32 = 0;
-  let mut x76: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x75, &mut x76, x74, x25, x58);
-  let mut x77: u32 = 0;
-  let mut x78: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x77, &mut x78, x76, x27, x60);
-  let mut x79: u32 = 0;
-  let mut x80: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x79, &mut x80, x78, x29, x62);
-  let mut x81: u32 = 0;
-  let mut x82: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x81, &mut x82, x80, x31, x64);
-  let mut x83: u32 = 0;
-  let mut x84: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x83, &mut x84, x82, x33, x66);
-  let mut x85: u32 = 0;
-  let mut x86: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x85, &mut x86, x84, x35, x68);
-  let mut x87: u32 = 0;
-  let mut x88: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x87, &mut x88, x86, x37, x70);
-  let mut x89: u32 = 0;
-  let mut x90: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x89, &mut x90, x88, x39, x72);
-  let mut x91: u32 = 0;
-  let mut x92: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x91, &mut x92, x1, (arg1[7]));
-  let mut x93: u32 = 0;
-  let mut x94: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x93, &mut x94, x1, (arg1[6]));
-  let mut x95: u32 = 0;
-  let mut x96: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x95, &mut x96, x1, (arg1[5]));
-  let mut x97: u32 = 0;
-  let mut x98: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x97, &mut x98, x1, (arg1[4]));
-  let mut x99: u32 = 0;
-  let mut x100: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x99, &mut x100, x1, (arg1[3]));
-  let mut x101: u32 = 0;
-  let mut x102: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x101, &mut x102, x1, (arg1[2]));
-  let mut x103: u32 = 0;
-  let mut x104: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x103, &mut x104, x1, (arg1[1]));
-  let mut x105: u32 = 0;
-  let mut x106: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x105, &mut x106, x1, (arg1[0]));
-  let mut x107: u32 = 0;
-  let mut x108: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x107, &mut x108, 0x0, x106, x103);
-  let mut x109: u32 = 0;
-  let mut x110: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x109, &mut x110, x108, x104, x101);
-  let mut x111: u32 = 0;
-  let mut x112: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x111, &mut x112, x110, x102, x99);
-  let mut x113: u32 = 0;
-  let mut x114: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x113, &mut x114, x112, x100, x97);
-  let mut x115: u32 = 0;
-  let mut x116: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x115, &mut x116, x114, x98, x95);
-  let mut x117: u32 = 0;
-  let mut x118: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x117, &mut x118, x116, x96, x93);
-  let mut x119: u32 = 0;
-  let mut x120: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x119, &mut x120, x118, x94, x91);
-  let x121: u32 = ((x120 as u32) + x92);
-  let mut x122: u32 = 0;
-  let mut x123: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x122, &mut x123, 0x0, x75, x105);
-  let mut x124: u32 = 0;
-  let mut x125: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x124, &mut x125, x123, x77, x107);
-  let mut x126: u32 = 0;
-  let mut x127: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x126, &mut x127, x125, x79, x109);
-  let mut x128: u32 = 0;
-  let mut x129: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x128, &mut x129, x127, x81, x111);
-  let mut x130: u32 = 0;
-  let mut x131: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x130, &mut x131, x129, x83, x113);
-  let mut x132: u32 = 0;
-  let mut x133: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x132, &mut x133, x131, x85, x115);
-  let mut x134: u32 = 0;
-  let mut x135: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x134, &mut x135, x133, x87, x117);
-  let mut x136: u32 = 0;
-  let mut x137: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x136, &mut x137, x135, x89, x119);
-  let mut x138: u32 = 0;
-  let mut x139: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x138, &mut x139, x137, (x90 as u32), x121);
-  let mut x140: u32 = 0;
-  let mut x141: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x140, &mut x141, x122, 0xd2253531);
-  let mut x142: u32 = 0;
-  let mut x143: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x142, &mut x143, x140, 0xffffffff);
-  let mut x144: u32 = 0;
-  let mut x145: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x144, &mut x145, x140, 0xffffffff);
-  let mut x146: u32 = 0;
-  let mut x147: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x146, &mut x147, x140, 0xffffffff);
-  let mut x148: u32 = 0;
-  let mut x149: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x148, &mut x149, x140, 0xffffffff);
-  let mut x150: u32 = 0;
-  let mut x151: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x150, &mut x151, x140, 0xffffffff);
-  let mut x152: u32 = 0;
-  let mut x153: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x152, &mut x153, x140, 0xffffffff);
-  let mut x154: u32 = 0;
-  let mut x155: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x154, &mut x155, x140, 0xfffffffe);
-  let mut x156: u32 = 0;
-  let mut x157: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x156, &mut x157, x140, 0xfffffc2f);
-  let mut x158: u32 = 0;
-  let mut x159: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x158, &mut x159, 0x0, x157, x154);
-  let mut x160: u32 = 0;
-  let mut x161: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x160, &mut x161, x159, x155, x152);
-  let mut x162: u32 = 0;
-  let mut x163: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x162, &mut x163, x161, x153, x150);
-  let mut x164: u32 = 0;
-  let mut x165: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x164, &mut x165, x163, x151, x148);
-  let mut x166: u32 = 0;
-  let mut x167: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x166, &mut x167, x165, x149, x146);
-  let mut x168: u32 = 0;
-  let mut x169: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x168, &mut x169, x167, x147, x144);
-  let mut x170: u32 = 0;
-  let mut x171: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x170, &mut x171, x169, x145, x142);
-  let x172: u32 = ((x171 as u32) + x143);
-  let mut x173: u32 = 0;
-  let mut x174: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x173, &mut x174, 0x0, x122, x156);
-  let mut x175: u32 = 0;
-  let mut x176: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x175, &mut x176, x174, x124, x158);
-  let mut x177: u32 = 0;
-  let mut x178: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x177, &mut x178, x176, x126, x160);
-  let mut x179: u32 = 0;
-  let mut x180: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x179, &mut x180, x178, x128, x162);
-  let mut x181: u32 = 0;
-  let mut x182: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x181, &mut x182, x180, x130, x164);
-  let mut x183: u32 = 0;
-  let mut x184: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x183, &mut x184, x182, x132, x166);
-  let mut x185: u32 = 0;
-  let mut x186: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x185, &mut x186, x184, x134, x168);
-  let mut x187: u32 = 0;
-  let mut x188: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x187, &mut x188, x186, x136, x170);
-  let mut x189: u32 = 0;
-  let mut x190: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x189, &mut x190, x188, x138, x172);
-  let x191: u32 = ((x190 as u32) + (x139 as u32));
-  let mut x192: u32 = 0;
-  let mut x193: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x192, &mut x193, x2, (arg1[7]));
-  let mut x194: u32 = 0;
-  let mut x195: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x194, &mut x195, x2, (arg1[6]));
-  let mut x196: u32 = 0;
-  let mut x197: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x196, &mut x197, x2, (arg1[5]));
-  let mut x198: u32 = 0;
-  let mut x199: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x198, &mut x199, x2, (arg1[4]));
-  let mut x200: u32 = 0;
-  let mut x201: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x200, &mut x201, x2, (arg1[3]));
-  let mut x202: u32 = 0;
-  let mut x203: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x202, &mut x203, x2, (arg1[2]));
-  let mut x204: u32 = 0;
-  let mut x205: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x204, &mut x205, x2, (arg1[1]));
-  let mut x206: u32 = 0;
-  let mut x207: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x206, &mut x207, x2, (arg1[0]));
-  let mut x208: u32 = 0;
-  let mut x209: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x208, &mut x209, 0x0, x207, x204);
-  let mut x210: u32 = 0;
-  let mut x211: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x210, &mut x211, x209, x205, x202);
-  let mut x212: u32 = 0;
-  let mut x213: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x212, &mut x213, x211, x203, x200);
-  let mut x214: u32 = 0;
-  let mut x215: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x214, &mut x215, x213, x201, x198);
-  let mut x216: u32 = 0;
-  let mut x217: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x216, &mut x217, x215, x199, x196);
-  let mut x218: u32 = 0;
-  let mut x219: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x218, &mut x219, x217, x197, x194);
-  let mut x220: u32 = 0;
-  let mut x221: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x220, &mut x221, x219, x195, x192);
-  let x222: u32 = ((x221 as u32) + x193);
-  let mut x223: u32 = 0;
-  let mut x224: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x223, &mut x224, 0x0, x175, x206);
-  let mut x225: u32 = 0;
-  let mut x226: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x225, &mut x226, x224, x177, x208);
-  let mut x227: u32 = 0;
-  let mut x228: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x227, &mut x228, x226, x179, x210);
-  let mut x229: u32 = 0;
-  let mut x230: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x229, &mut x230, x228, x181, x212);
-  let mut x231: u32 = 0;
-  let mut x232: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x231, &mut x232, x230, x183, x214);
-  let mut x233: u32 = 0;
-  let mut x234: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x233, &mut x234, x232, x185, x216);
-  let mut x235: u32 = 0;
-  let mut x236: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x235, &mut x236, x234, x187, x218);
-  let mut x237: u32 = 0;
-  let mut x238: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x237, &mut x238, x236, x189, x220);
-  let mut x239: u32 = 0;
-  let mut x240: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x239, &mut x240, x238, x191, x222);
-  let mut x241: u32 = 0;
-  let mut x242: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x241, &mut x242, x223, 0xd2253531);
-  let mut x243: u32 = 0;
-  let mut x244: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x243, &mut x244, x241, 0xffffffff);
-  let mut x245: u32 = 0;
-  let mut x246: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x245, &mut x246, x241, 0xffffffff);
-  let mut x247: u32 = 0;
-  let mut x248: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x247, &mut x248, x241, 0xffffffff);
-  let mut x249: u32 = 0;
-  let mut x250: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x249, &mut x250, x241, 0xffffffff);
-  let mut x251: u32 = 0;
-  let mut x252: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x251, &mut x252, x241, 0xffffffff);
-  let mut x253: u32 = 0;
-  let mut x254: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x253, &mut x254, x241, 0xffffffff);
-  let mut x255: u32 = 0;
-  let mut x256: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x255, &mut x256, x241, 0xfffffffe);
-  let mut x257: u32 = 0;
-  let mut x258: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x257, &mut x258, x241, 0xfffffc2f);
-  let mut x259: u32 = 0;
-  let mut x260: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x259, &mut x260, 0x0, x258, x255);
-  let mut x261: u32 = 0;
-  let mut x262: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x261, &mut x262, x260, x256, x253);
-  let mut x263: u32 = 0;
-  let mut x264: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x263, &mut x264, x262, x254, x251);
-  let mut x265: u32 = 0;
-  let mut x266: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x265, &mut x266, x264, x252, x249);
-  let mut x267: u32 = 0;
-  let mut x268: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x267, &mut x268, x266, x250, x247);
-  let mut x269: u32 = 0;
-  let mut x270: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x269, &mut x270, x268, x248, x245);
-  let mut x271: u32 = 0;
-  let mut x272: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x271, &mut x272, x270, x246, x243);
-  let x273: u32 = ((x272 as u32) + x244);
-  let mut x274: u32 = 0;
-  let mut x275: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x274, &mut x275, 0x0, x223, x257);
-  let mut x276: u32 = 0;
-  let mut x277: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x276, &mut x277, x275, x225, x259);
-  let mut x278: u32 = 0;
-  let mut x279: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x278, &mut x279, x277, x227, x261);
-  let mut x280: u32 = 0;
-  let mut x281: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x280, &mut x281, x279, x229, x263);
-  let mut x282: u32 = 0;
-  let mut x283: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x282, &mut x283, x281, x231, x265);
-  let mut x284: u32 = 0;
-  let mut x285: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x284, &mut x285, x283, x233, x267);
-  let mut x286: u32 = 0;
-  let mut x287: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x286, &mut x287, x285, x235, x269);
-  let mut x288: u32 = 0;
-  let mut x289: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x288, &mut x289, x287, x237, x271);
-  let mut x290: u32 = 0;
-  let mut x291: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x290, &mut x291, x289, x239, x273);
-  let x292: u32 = ((x291 as u32) + (x240 as u32));
-  let mut x293: u32 = 0;
-  let mut x294: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x293, &mut x294, x3, (arg1[7]));
-  let mut x295: u32 = 0;
-  let mut x296: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x295, &mut x296, x3, (arg1[6]));
-  let mut x297: u32 = 0;
-  let mut x298: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x297, &mut x298, x3, (arg1[5]));
-  let mut x299: u32 = 0;
-  let mut x300: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x299, &mut x300, x3, (arg1[4]));
-  let mut x301: u32 = 0;
-  let mut x302: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x301, &mut x302, x3, (arg1[3]));
-  let mut x303: u32 = 0;
-  let mut x304: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x303, &mut x304, x3, (arg1[2]));
-  let mut x305: u32 = 0;
-  let mut x306: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x305, &mut x306, x3, (arg1[1]));
-  let mut x307: u32 = 0;
-  let mut x308: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x307, &mut x308, x3, (arg1[0]));
-  let mut x309: u32 = 0;
-  let mut x310: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x309, &mut x310, 0x0, x308, x305);
-  let mut x311: u32 = 0;
-  let mut x312: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x311, &mut x312, x310, x306, x303);
-  let mut x313: u32 = 0;
-  let mut x314: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x313, &mut x314, x312, x304, x301);
-  let mut x315: u32 = 0;
-  let mut x316: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x315, &mut x316, x314, x302, x299);
-  let mut x317: u32 = 0;
-  let mut x318: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x317, &mut x318, x316, x300, x297);
-  let mut x319: u32 = 0;
-  let mut x320: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x319, &mut x320, x318, x298, x295);
-  let mut x321: u32 = 0;
-  let mut x322: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x321, &mut x322, x320, x296, x293);
-  let x323: u32 = ((x322 as u32) + x294);
-  let mut x324: u32 = 0;
-  let mut x325: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x324, &mut x325, 0x0, x276, x307);
-  let mut x326: u32 = 0;
-  let mut x327: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x326, &mut x327, x325, x278, x309);
-  let mut x328: u32 = 0;
-  let mut x329: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x328, &mut x329, x327, x280, x311);
-  let mut x330: u32 = 0;
-  let mut x331: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x330, &mut x331, x329, x282, x313);
-  let mut x332: u32 = 0;
-  let mut x333: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x332, &mut x333, x331, x284, x315);
-  let mut x334: u32 = 0;
-  let mut x335: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x334, &mut x335, x333, x286, x317);
-  let mut x336: u32 = 0;
-  let mut x337: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x336, &mut x337, x335, x288, x319);
-  let mut x338: u32 = 0;
-  let mut x339: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x338, &mut x339, x337, x290, x321);
-  let mut x340: u32 = 0;
-  let mut x341: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x340, &mut x341, x339, x292, x323);
-  let mut x342: u32 = 0;
-  let mut x343: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x342, &mut x343, x324, 0xd2253531);
-  let mut x344: u32 = 0;
-  let mut x345: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x344, &mut x345, x342, 0xffffffff);
-  let mut x346: u32 = 0;
-  let mut x347: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x346, &mut x347, x342, 0xffffffff);
-  let mut x348: u32 = 0;
-  let mut x349: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x348, &mut x349, x342, 0xffffffff);
-  let mut x350: u32 = 0;
-  let mut x351: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x350, &mut x351, x342, 0xffffffff);
-  let mut x352: u32 = 0;
-  let mut x353: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x352, &mut x353, x342, 0xffffffff);
-  let mut x354: u32 = 0;
-  let mut x355: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x354, &mut x355, x342, 0xffffffff);
-  let mut x356: u32 = 0;
-  let mut x357: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x356, &mut x357, x342, 0xfffffffe);
-  let mut x358: u32 = 0;
-  let mut x359: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x358, &mut x359, x342, 0xfffffc2f);
-  let mut x360: u32 = 0;
-  let mut x361: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x360, &mut x361, 0x0, x359, x356);
-  let mut x362: u32 = 0;
-  let mut x363: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x362, &mut x363, x361, x357, x354);
-  let mut x364: u32 = 0;
-  let mut x365: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x364, &mut x365, x363, x355, x352);
-  let mut x366: u32 = 0;
-  let mut x367: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x366, &mut x367, x365, x353, x350);
-  let mut x368: u32 = 0;
-  let mut x369: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x368, &mut x369, x367, x351, x348);
-  let mut x370: u32 = 0;
-  let mut x371: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x370, &mut x371, x369, x349, x346);
-  let mut x372: u32 = 0;
-  let mut x373: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x372, &mut x373, x371, x347, x344);
-  let x374: u32 = ((x373 as u32) + x345);
-  let mut x375: u32 = 0;
-  let mut x376: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x375, &mut x376, 0x0, x324, x358);
-  let mut x377: u32 = 0;
-  let mut x378: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x377, &mut x378, x376, x326, x360);
-  let mut x379: u32 = 0;
-  let mut x380: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x379, &mut x380, x378, x328, x362);
-  let mut x381: u32 = 0;
-  let mut x382: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x381, &mut x382, x380, x330, x364);
-  let mut x383: u32 = 0;
-  let mut x384: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x383, &mut x384, x382, x332, x366);
-  let mut x385: u32 = 0;
-  let mut x386: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x385, &mut x386, x384, x334, x368);
-  let mut x387: u32 = 0;
-  let mut x388: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x387, &mut x388, x386, x336, x370);
-  let mut x389: u32 = 0;
-  let mut x390: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x389, &mut x390, x388, x338, x372);
-  let mut x391: u32 = 0;
-  let mut x392: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x391, &mut x392, x390, x340, x374);
-  let x393: u32 = ((x392 as u32) + (x341 as u32));
-  let mut x394: u32 = 0;
-  let mut x395: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x394, &mut x395, x4, (arg1[7]));
-  let mut x396: u32 = 0;
-  let mut x397: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x396, &mut x397, x4, (arg1[6]));
-  let mut x398: u32 = 0;
-  let mut x399: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x398, &mut x399, x4, (arg1[5]));
-  let mut x400: u32 = 0;
-  let mut x401: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x400, &mut x401, x4, (arg1[4]));
-  let mut x402: u32 = 0;
-  let mut x403: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x402, &mut x403, x4, (arg1[3]));
-  let mut x404: u32 = 0;
-  let mut x405: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x404, &mut x405, x4, (arg1[2]));
-  let mut x406: u32 = 0;
-  let mut x407: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x406, &mut x407, x4, (arg1[1]));
-  let mut x408: u32 = 0;
-  let mut x409: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x408, &mut x409, x4, (arg1[0]));
-  let mut x410: u32 = 0;
-  let mut x411: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x410, &mut x411, 0x0, x409, x406);
-  let mut x412: u32 = 0;
-  let mut x413: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x412, &mut x413, x411, x407, x404);
-  let mut x414: u32 = 0;
-  let mut x415: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x414, &mut x415, x413, x405, x402);
-  let mut x416: u32 = 0;
-  let mut x417: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x416, &mut x417, x415, x403, x400);
-  let mut x418: u32 = 0;
-  let mut x419: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x418, &mut x419, x417, x401, x398);
-  let mut x420: u32 = 0;
-  let mut x421: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x420, &mut x421, x419, x399, x396);
-  let mut x422: u32 = 0;
-  let mut x423: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x422, &mut x423, x421, x397, x394);
-  let x424: u32 = ((x423 as u32) + x395);
-  let mut x425: u32 = 0;
-  let mut x426: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x425, &mut x426, 0x0, x377, x408);
-  let mut x427: u32 = 0;
-  let mut x428: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x427, &mut x428, x426, x379, x410);
-  let mut x429: u32 = 0;
-  let mut x430: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x429, &mut x430, x428, x381, x412);
-  let mut x431: u32 = 0;
-  let mut x432: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x431, &mut x432, x430, x383, x414);
-  let mut x433: u32 = 0;
-  let mut x434: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x433, &mut x434, x432, x385, x416);
-  let mut x435: u32 = 0;
-  let mut x436: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x435, &mut x436, x434, x387, x418);
-  let mut x437: u32 = 0;
-  let mut x438: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x437, &mut x438, x436, x389, x420);
-  let mut x439: u32 = 0;
-  let mut x440: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x439, &mut x440, x438, x391, x422);
-  let mut x441: u32 = 0;
-  let mut x442: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x441, &mut x442, x440, x393, x424);
-  let mut x443: u32 = 0;
-  let mut x444: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x443, &mut x444, x425, 0xd2253531);
-  let mut x445: u32 = 0;
-  let mut x446: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x445, &mut x446, x443, 0xffffffff);
-  let mut x447: u32 = 0;
-  let mut x448: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x447, &mut x448, x443, 0xffffffff);
-  let mut x449: u32 = 0;
-  let mut x450: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x449, &mut x450, x443, 0xffffffff);
-  let mut x451: u32 = 0;
-  let mut x452: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x451, &mut x452, x443, 0xffffffff);
-  let mut x453: u32 = 0;
-  let mut x454: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x453, &mut x454, x443, 0xffffffff);
-  let mut x455: u32 = 0;
-  let mut x456: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x455, &mut x456, x443, 0xffffffff);
-  let mut x457: u32 = 0;
-  let mut x458: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x457, &mut x458, x443, 0xfffffffe);
-  let mut x459: u32 = 0;
-  let mut x460: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x459, &mut x460, x443, 0xfffffc2f);
-  let mut x461: u32 = 0;
-  let mut x462: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x461, &mut x462, 0x0, x460, x457);
-  let mut x463: u32 = 0;
-  let mut x464: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x463, &mut x464, x462, x458, x455);
-  let mut x465: u32 = 0;
-  let mut x466: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x465, &mut x466, x464, x456, x453);
-  let mut x467: u32 = 0;
-  let mut x468: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x467, &mut x468, x466, x454, x451);
-  let mut x469: u32 = 0;
-  let mut x470: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x469, &mut x470, x468, x452, x449);
-  let mut x471: u32 = 0;
-  let mut x472: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x471, &mut x472, x470, x450, x447);
-  let mut x473: u32 = 0;
-  let mut x474: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x473, &mut x474, x472, x448, x445);
-  let x475: u32 = ((x474 as u32) + x446);
-  let mut x476: u32 = 0;
-  let mut x477: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x476, &mut x477, 0x0, x425, x459);
-  let mut x478: u32 = 0;
-  let mut x479: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x478, &mut x479, x477, x427, x461);
-  let mut x480: u32 = 0;
-  let mut x481: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x480, &mut x481, x479, x429, x463);
-  let mut x482: u32 = 0;
-  let mut x483: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x482, &mut x483, x481, x431, x465);
-  let mut x484: u32 = 0;
-  let mut x485: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x484, &mut x485, x483, x433, x467);
-  let mut x486: u32 = 0;
-  let mut x487: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x486, &mut x487, x485, x435, x469);
-  let mut x488: u32 = 0;
-  let mut x489: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x488, &mut x489, x487, x437, x471);
-  let mut x490: u32 = 0;
-  let mut x491: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x490, &mut x491, x489, x439, x473);
-  let mut x492: u32 = 0;
-  let mut x493: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x492, &mut x493, x491, x441, x475);
-  let x494: u32 = ((x493 as u32) + (x442 as u32));
-  let mut x495: u32 = 0;
-  let mut x496: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x495, &mut x496, x5, (arg1[7]));
-  let mut x497: u32 = 0;
-  let mut x498: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x497, &mut x498, x5, (arg1[6]));
-  let mut x499: u32 = 0;
-  let mut x500: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x499, &mut x500, x5, (arg1[5]));
-  let mut x501: u32 = 0;
-  let mut x502: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x501, &mut x502, x5, (arg1[4]));
-  let mut x503: u32 = 0;
-  let mut x504: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x503, &mut x504, x5, (arg1[3]));
-  let mut x505: u32 = 0;
-  let mut x506: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x505, &mut x506, x5, (arg1[2]));
-  let mut x507: u32 = 0;
-  let mut x508: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x507, &mut x508, x5, (arg1[1]));
-  let mut x509: u32 = 0;
-  let mut x510: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x509, &mut x510, x5, (arg1[0]));
-  let mut x511: u32 = 0;
-  let mut x512: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x511, &mut x512, 0x0, x510, x507);
-  let mut x513: u32 = 0;
-  let mut x514: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x513, &mut x514, x512, x508, x505);
-  let mut x515: u32 = 0;
-  let mut x516: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x515, &mut x516, x514, x506, x503);
-  let mut x517: u32 = 0;
-  let mut x518: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x517, &mut x518, x516, x504, x501);
-  let mut x519: u32 = 0;
-  let mut x520: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x519, &mut x520, x518, x502, x499);
-  let mut x521: u32 = 0;
-  let mut x522: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x521, &mut x522, x520, x500, x497);
-  let mut x523: u32 = 0;
-  let mut x524: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x523, &mut x524, x522, x498, x495);
-  let x525: u32 = ((x524 as u32) + x496);
-  let mut x526: u32 = 0;
-  let mut x527: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x526, &mut x527, 0x0, x478, x509);
-  let mut x528: u32 = 0;
-  let mut x529: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x528, &mut x529, x527, x480, x511);
-  let mut x530: u32 = 0;
-  let mut x531: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x530, &mut x531, x529, x482, x513);
-  let mut x532: u32 = 0;
-  let mut x533: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x532, &mut x533, x531, x484, x515);
-  let mut x534: u32 = 0;
-  let mut x535: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x534, &mut x535, x533, x486, x517);
-  let mut x536: u32 = 0;
-  let mut x537: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x536, &mut x537, x535, x488, x519);
-  let mut x538: u32 = 0;
-  let mut x539: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x538, &mut x539, x537, x490, x521);
-  let mut x540: u32 = 0;
-  let mut x541: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x540, &mut x541, x539, x492, x523);
-  let mut x542: u32 = 0;
-  let mut x543: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x542, &mut x543, x541, x494, x525);
-  let mut x544: u32 = 0;
-  let mut x545: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x544, &mut x545, x526, 0xd2253531);
-  let mut x546: u32 = 0;
-  let mut x547: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x546, &mut x547, x544, 0xffffffff);
-  let mut x548: u32 = 0;
-  let mut x549: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x548, &mut x549, x544, 0xffffffff);
-  let mut x550: u32 = 0;
-  let mut x551: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x550, &mut x551, x544, 0xffffffff);
-  let mut x552: u32 = 0;
-  let mut x553: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x552, &mut x553, x544, 0xffffffff);
-  let mut x554: u32 = 0;
-  let mut x555: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x554, &mut x555, x544, 0xffffffff);
-  let mut x556: u32 = 0;
-  let mut x557: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x556, &mut x557, x544, 0xffffffff);
-  let mut x558: u32 = 0;
-  let mut x559: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x558, &mut x559, x544, 0xfffffffe);
-  let mut x560: u32 = 0;
-  let mut x561: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x560, &mut x561, x544, 0xfffffc2f);
-  let mut x562: u32 = 0;
-  let mut x563: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x562, &mut x563, 0x0, x561, x558);
-  let mut x564: u32 = 0;
-  let mut x565: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x564, &mut x565, x563, x559, x556);
-  let mut x566: u32 = 0;
-  let mut x567: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x566, &mut x567, x565, x557, x554);
-  let mut x568: u32 = 0;
-  let mut x569: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x568, &mut x569, x567, x555, x552);
-  let mut x570: u32 = 0;
-  let mut x571: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x570, &mut x571, x569, x553, x550);
-  let mut x572: u32 = 0;
-  let mut x573: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x572, &mut x573, x571, x551, x548);
-  let mut x574: u32 = 0;
-  let mut x575: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x574, &mut x575, x573, x549, x546);
-  let x576: u32 = ((x575 as u32) + x547);
-  let mut x577: u32 = 0;
-  let mut x578: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x577, &mut x578, 0x0, x526, x560);
-  let mut x579: u32 = 0;
-  let mut x580: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x579, &mut x580, x578, x528, x562);
-  let mut x581: u32 = 0;
-  let mut x582: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x581, &mut x582, x580, x530, x564);
-  let mut x583: u32 = 0;
-  let mut x584: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x583, &mut x584, x582, x532, x566);
-  let mut x585: u32 = 0;
-  let mut x586: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x585, &mut x586, x584, x534, x568);
-  let mut x587: u32 = 0;
-  let mut x588: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x587, &mut x588, x586, x536, x570);
-  let mut x589: u32 = 0;
-  let mut x590: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x589, &mut x590, x588, x538, x572);
-  let mut x591: u32 = 0;
-  let mut x592: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x591, &mut x592, x590, x540, x574);
-  let mut x593: u32 = 0;
-  let mut x594: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x593, &mut x594, x592, x542, x576);
-  let x595: u32 = ((x594 as u32) + (x543 as u32));
-  let mut x596: u32 = 0;
-  let mut x597: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x596, &mut x597, x6, (arg1[7]));
-  let mut x598: u32 = 0;
-  let mut x599: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x598, &mut x599, x6, (arg1[6]));
-  let mut x600: u32 = 0;
-  let mut x601: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x600, &mut x601, x6, (arg1[5]));
-  let mut x602: u32 = 0;
-  let mut x603: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x602, &mut x603, x6, (arg1[4]));
-  let mut x604: u32 = 0;
-  let mut x605: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x604, &mut x605, x6, (arg1[3]));
-  let mut x606: u32 = 0;
-  let mut x607: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x606, &mut x607, x6, (arg1[2]));
-  let mut x608: u32 = 0;
-  let mut x609: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x608, &mut x609, x6, (arg1[1]));
-  let mut x610: u32 = 0;
-  let mut x611: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x610, &mut x611, x6, (arg1[0]));
-  let mut x612: u32 = 0;
-  let mut x613: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x612, &mut x613, 0x0, x611, x608);
-  let mut x614: u32 = 0;
-  let mut x615: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x614, &mut x615, x613, x609, x606);
-  let mut x616: u32 = 0;
-  let mut x617: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x616, &mut x617, x615, x607, x604);
-  let mut x618: u32 = 0;
-  let mut x619: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x618, &mut x619, x617, x605, x602);
-  let mut x620: u32 = 0;
-  let mut x621: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x620, &mut x621, x619, x603, x600);
-  let mut x622: u32 = 0;
-  let mut x623: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x622, &mut x623, x621, x601, x598);
-  let mut x624: u32 = 0;
-  let mut x625: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x624, &mut x625, x623, x599, x596);
-  let x626: u32 = ((x625 as u32) + x597);
-  let mut x627: u32 = 0;
-  let mut x628: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x627, &mut x628, 0x0, x579, x610);
-  let mut x629: u32 = 0;
-  let mut x630: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x629, &mut x630, x628, x581, x612);
-  let mut x631: u32 = 0;
-  let mut x632: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x631, &mut x632, x630, x583, x614);
-  let mut x633: u32 = 0;
-  let mut x634: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x633, &mut x634, x632, x585, x616);
-  let mut x635: u32 = 0;
-  let mut x636: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x635, &mut x636, x634, x587, x618);
-  let mut x637: u32 = 0;
-  let mut x638: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x637, &mut x638, x636, x589, x620);
-  let mut x639: u32 = 0;
-  let mut x640: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x639, &mut x640, x638, x591, x622);
-  let mut x641: u32 = 0;
-  let mut x642: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x641, &mut x642, x640, x593, x624);
-  let mut x643: u32 = 0;
-  let mut x644: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x643, &mut x644, x642, x595, x626);
-  let mut x645: u32 = 0;
-  let mut x646: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x645, &mut x646, x627, 0xd2253531);
-  let mut x647: u32 = 0;
-  let mut x648: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x647, &mut x648, x645, 0xffffffff);
-  let mut x649: u32 = 0;
-  let mut x650: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x649, &mut x650, x645, 0xffffffff);
-  let mut x651: u32 = 0;
-  let mut x652: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x651, &mut x652, x645, 0xffffffff);
-  let mut x653: u32 = 0;
-  let mut x654: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x653, &mut x654, x645, 0xffffffff);
-  let mut x655: u32 = 0;
-  let mut x656: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x655, &mut x656, x645, 0xffffffff);
-  let mut x657: u32 = 0;
-  let mut x658: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x657, &mut x658, x645, 0xffffffff);
-  let mut x659: u32 = 0;
-  let mut x660: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x659, &mut x660, x645, 0xfffffffe);
-  let mut x661: u32 = 0;
-  let mut x662: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x661, &mut x662, x645, 0xfffffc2f);
-  let mut x663: u32 = 0;
-  let mut x664: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x663, &mut x664, 0x0, x662, x659);
-  let mut x665: u32 = 0;
-  let mut x666: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x665, &mut x666, x664, x660, x657);
-  let mut x667: u32 = 0;
-  let mut x668: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x667, &mut x668, x666, x658, x655);
-  let mut x669: u32 = 0;
-  let mut x670: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x669, &mut x670, x668, x656, x653);
-  let mut x671: u32 = 0;
-  let mut x672: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x671, &mut x672, x670, x654, x651);
-  let mut x673: u32 = 0;
-  let mut x674: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x673, &mut x674, x672, x652, x649);
-  let mut x675: u32 = 0;
-  let mut x676: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x675, &mut x676, x674, x650, x647);
-  let x677: u32 = ((x676 as u32) + x648);
-  let mut x678: u32 = 0;
-  let mut x679: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x678, &mut x679, 0x0, x627, x661);
-  let mut x680: u32 = 0;
-  let mut x681: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x680, &mut x681, x679, x629, x663);
-  let mut x682: u32 = 0;
-  let mut x683: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x682, &mut x683, x681, x631, x665);
-  let mut x684: u32 = 0;
-  let mut x685: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x684, &mut x685, x683, x633, x667);
-  let mut x686: u32 = 0;
-  let mut x687: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x686, &mut x687, x685, x635, x669);
-  let mut x688: u32 = 0;
-  let mut x689: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x688, &mut x689, x687, x637, x671);
-  let mut x690: u32 = 0;
-  let mut x691: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x690, &mut x691, x689, x639, x673);
-  let mut x692: u32 = 0;
-  let mut x693: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x692, &mut x693, x691, x641, x675);
-  let mut x694: u32 = 0;
-  let mut x695: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x694, &mut x695, x693, x643, x677);
-  let x696: u32 = ((x695 as u32) + (x644 as u32));
-  let mut x697: u32 = 0;
-  let mut x698: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x697, &mut x698, x7, (arg1[7]));
-  let mut x699: u32 = 0;
-  let mut x700: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x699, &mut x700, x7, (arg1[6]));
-  let mut x701: u32 = 0;
-  let mut x702: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x701, &mut x702, x7, (arg1[5]));
-  let mut x703: u32 = 0;
-  let mut x704: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x703, &mut x704, x7, (arg1[4]));
-  let mut x705: u32 = 0;
-  let mut x706: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x705, &mut x706, x7, (arg1[3]));
-  let mut x707: u32 = 0;
-  let mut x708: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x707, &mut x708, x7, (arg1[2]));
-  let mut x709: u32 = 0;
-  let mut x710: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x709, &mut x710, x7, (arg1[1]));
-  let mut x711: u32 = 0;
-  let mut x712: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x711, &mut x712, x7, (arg1[0]));
-  let mut x713: u32 = 0;
-  let mut x714: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x713, &mut x714, 0x0, x712, x709);
-  let mut x715: u32 = 0;
-  let mut x716: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x715, &mut x716, x714, x710, x707);
-  let mut x717: u32 = 0;
-  let mut x718: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x717, &mut x718, x716, x708, x705);
-  let mut x719: u32 = 0;
-  let mut x720: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x719, &mut x720, x718, x706, x703);
-  let mut x721: u32 = 0;
-  let mut x722: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x721, &mut x722, x720, x704, x701);
-  let mut x723: u32 = 0;
-  let mut x724: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x723, &mut x724, x722, x702, x699);
-  let mut x725: u32 = 0;
-  let mut x726: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x725, &mut x726, x724, x700, x697);
-  let x727: u32 = ((x726 as u32) + x698);
-  let mut x728: u32 = 0;
-  let mut x729: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x728, &mut x729, 0x0, x680, x711);
-  let mut x730: u32 = 0;
-  let mut x731: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x730, &mut x731, x729, x682, x713);
-  let mut x732: u32 = 0;
-  let mut x733: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x732, &mut x733, x731, x684, x715);
-  let mut x734: u32 = 0;
-  let mut x735: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x734, &mut x735, x733, x686, x717);
-  let mut x736: u32 = 0;
-  let mut x737: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x736, &mut x737, x735, x688, x719);
-  let mut x738: u32 = 0;
-  let mut x739: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x738, &mut x739, x737, x690, x721);
-  let mut x740: u32 = 0;
-  let mut x741: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x740, &mut x741, x739, x692, x723);
-  let mut x742: u32 = 0;
-  let mut x743: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x742, &mut x743, x741, x694, x725);
-  let mut x744: u32 = 0;
-  let mut x745: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x744, &mut x745, x743, x696, x727);
-  let mut x746: u32 = 0;
-  let mut x747: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x746, &mut x747, x728, 0xd2253531);
-  let mut x748: u32 = 0;
-  let mut x749: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x748, &mut x749, x746, 0xffffffff);
-  let mut x750: u32 = 0;
-  let mut x751: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x750, &mut x751, x746, 0xffffffff);
-  let mut x752: u32 = 0;
-  let mut x753: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x752, &mut x753, x746, 0xffffffff);
-  let mut x754: u32 = 0;
-  let mut x755: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x754, &mut x755, x746, 0xffffffff);
-  let mut x756: u32 = 0;
-  let mut x757: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x756, &mut x757, x746, 0xffffffff);
-  let mut x758: u32 = 0;
-  let mut x759: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x758, &mut x759, x746, 0xffffffff);
-  let mut x760: u32 = 0;
-  let mut x761: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x760, &mut x761, x746, 0xfffffffe);
-  let mut x762: u32 = 0;
-  let mut x763: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x762, &mut x763, x746, 0xfffffc2f);
-  let mut x764: u32 = 0;
-  let mut x765: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x764, &mut x765, 0x0, x763, x760);
-  let mut x766: u32 = 0;
-  let mut x767: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x766, &mut x767, x765, x761, x758);
-  let mut x768: u32 = 0;
-  let mut x769: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x768, &mut x769, x767, x759, x756);
-  let mut x770: u32 = 0;
-  let mut x771: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x770, &mut x771, x769, x757, x754);
-  let mut x772: u32 = 0;
-  let mut x773: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x772, &mut x773, x771, x755, x752);
-  let mut x774: u32 = 0;
-  let mut x775: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x774, &mut x775, x773, x753, x750);
-  let mut x776: u32 = 0;
-  let mut x777: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x776, &mut x777, x775, x751, x748);
-  let x778: u32 = ((x777 as u32) + x749);
-  let mut x779: u32 = 0;
-  let mut x780: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x779, &mut x780, 0x0, x728, x762);
-  let mut x781: u32 = 0;
-  let mut x782: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x781, &mut x782, x780, x730, x764);
-  let mut x783: u32 = 0;
-  let mut x784: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x783, &mut x784, x782, x732, x766);
-  let mut x785: u32 = 0;
-  let mut x786: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x785, &mut x786, x784, x734, x768);
-  let mut x787: u32 = 0;
-  let mut x788: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x787, &mut x788, x786, x736, x770);
-  let mut x789: u32 = 0;
-  let mut x790: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x789, &mut x790, x788, x738, x772);
-  let mut x791: u32 = 0;
-  let mut x792: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x791, &mut x792, x790, x740, x774);
-  let mut x793: u32 = 0;
-  let mut x794: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x793, &mut x794, x792, x742, x776);
-  let mut x795: u32 = 0;
-  let mut x796: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x795, &mut x796, x794, x744, x778);
-  let x797: u32 = ((x796 as u32) + (x745 as u32));
-  let mut x798: u32 = 0;
-  let mut x799: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x798, &mut x799, 0x0, x781, 0xfffffc2f);
-  let mut x800: u32 = 0;
-  let mut x801: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x800, &mut x801, x799, x783, 0xfffffffe);
-  let mut x802: u32 = 0;
-  let mut x803: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x802, &mut x803, x801, x785, 0xffffffff);
-  let mut x804: u32 = 0;
-  let mut x805: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x804, &mut x805, x803, x787, 0xffffffff);
-  let mut x806: u32 = 0;
-  let mut x807: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x806, &mut x807, x805, x789, 0xffffffff);
-  let mut x808: u32 = 0;
-  let mut x809: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x808, &mut x809, x807, x791, 0xffffffff);
-  let mut x810: u32 = 0;
-  let mut x811: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x810, &mut x811, x809, x793, 0xffffffff);
-  let mut x812: u32 = 0;
-  let mut x813: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x812, &mut x813, x811, x795, 0xffffffff);
-  let mut x814: u32 = 0;
-  let mut x815: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x814, &mut x815, x813, x797, (0x0 as u32));
-  let mut x816: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x816, x815, x798, x781);
-  let mut x817: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x817, x815, x800, x783);
-  let mut x818: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x818, x815, x802, x785);
-  let mut x819: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x819, x815, x804, x787);
-  let mut x820: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x820, x815, x806, x789);
-  let mut x821: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x821, x815, x808, x791);
-  let mut x822: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x822, x815, x810, x793);
-  let mut x823: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x823, x815, x812, x795);
-  out1[0] = x816;
-  out1[1] = x817;
-  out1[2] = x818;
-  out1[3] = x819;
-  out1[4] = x820;
-  out1[5] = x821;
-  out1[6] = x822;
-  out1[7] = x823;
-}
-
-/// The function fiat_secp256k1_add adds two field elements in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-///   0 ≤ eval arg2 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) + eval (from_montgomery arg2)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_add(out1: &mut fiat_secp256k1_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_domain_field_element) -> () {
-  let mut x1: u32 = 0;
-  let mut x2: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
-  let mut x3: u32 = 0;
-  let mut x4: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
-  let mut x5: u32 = 0;
-  let mut x6: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
-  let mut x7: u32 = 0;
-  let mut x8: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
-  let mut x9: u32 = 0;
-  let mut x10: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x9, &mut x10, x8, (arg1[4]), (arg2[4]));
-  let mut x11: u32 = 0;
-  let mut x12: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x11, &mut x12, x10, (arg1[5]), (arg2[5]));
-  let mut x13: u32 = 0;
-  let mut x14: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x13, &mut x14, x12, (arg1[6]), (arg2[6]));
-  let mut x15: u32 = 0;
-  let mut x16: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x15, &mut x16, x14, (arg1[7]), (arg2[7]));
-  let mut x17: u32 = 0;
-  let mut x18: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x17, &mut x18, 0x0, x1, 0xfffffc2f);
-  let mut x19: u32 = 0;
-  let mut x20: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x19, &mut x20, x18, x3, 0xfffffffe);
-  let mut x21: u32 = 0;
-  let mut x22: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x21, &mut x22, x20, x5, 0xffffffff);
-  let mut x23: u32 = 0;
-  let mut x24: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x23, &mut x24, x22, x7, 0xffffffff);
-  let mut x25: u32 = 0;
-  let mut x26: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x25, &mut x26, x24, x9, 0xffffffff);
-  let mut x27: u32 = 0;
-  let mut x28: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x27, &mut x28, x26, x11, 0xffffffff);
-  let mut x29: u32 = 0;
-  let mut x30: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x29, &mut x30, x28, x13, 0xffffffff);
-  let mut x31: u32 = 0;
-  let mut x32: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x31, &mut x32, x30, x15, 0xffffffff);
-  let mut x33: u32 = 0;
-  let mut x34: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x33, &mut x34, x32, (x16 as u32), (0x0 as u32));
-  let mut x35: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x35, x34, x17, x1);
-  let mut x36: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x36, x34, x19, x3);
-  let mut x37: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x37, x34, x21, x5);
-  let mut x38: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x38, x34, x23, x7);
-  let mut x39: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x39, x34, x25, x9);
-  let mut x40: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x40, x34, x27, x11);
-  let mut x41: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x41, x34, x29, x13);
-  let mut x42: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x42, x34, x31, x15);
-  out1[0] = x35;
-  out1[1] = x36;
-  out1[2] = x37;
-  out1[3] = x38;
-  out1[4] = x39;
-  out1[5] = x40;
-  out1[6] = x41;
-  out1[7] = x42;
-}
-
-/// The function fiat_secp256k1_sub subtracts two field elements in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-///   0 ≤ eval arg2 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) - eval (from_montgomery arg2)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_sub(out1: &mut fiat_secp256k1_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_domain_field_element) -> () {
-  let mut x1: u32 = 0;
-  let mut x2: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
-  let mut x3: u32 = 0;
-  let mut x4: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
-  let mut x5: u32 = 0;
-  let mut x6: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
-  let mut x7: u32 = 0;
-  let mut x8: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
-  let mut x9: u32 = 0;
-  let mut x10: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x9, &mut x10, x8, (arg1[4]), (arg2[4]));
-  let mut x11: u32 = 0;
-  let mut x12: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x11, &mut x12, x10, (arg1[5]), (arg2[5]));
-  let mut x13: u32 = 0;
-  let mut x14: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x13, &mut x14, x12, (arg1[6]), (arg2[6]));
-  let mut x15: u32 = 0;
-  let mut x16: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x15, &mut x16, x14, (arg1[7]), (arg2[7]));
-  let mut x17: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x17, x16, (0x0 as u32), 0xffffffff);
-  let mut x18: u32 = 0;
-  let mut x19: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x18, &mut x19, 0x0, x1, (x17 & 0xfffffc2f));
-  let mut x20: u32 = 0;
-  let mut x21: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x20, &mut x21, x19, x3, (x17 & 0xfffffffe));
-  let mut x22: u32 = 0;
-  let mut x23: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x22, &mut x23, x21, x5, x17);
-  let mut x24: u32 = 0;
-  let mut x25: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x24, &mut x25, x23, x7, x17);
-  let mut x26: u32 = 0;
-  let mut x27: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x26, &mut x27, x25, x9, x17);
-  let mut x28: u32 = 0;
-  let mut x29: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x28, &mut x29, x27, x11, x17);
-  let mut x30: u32 = 0;
-  let mut x31: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x30, &mut x31, x29, x13, x17);
-  let mut x32: u32 = 0;
-  let mut x33: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x32, &mut x33, x31, x15, x17);
-  out1[0] = x18;
-  out1[1] = x20;
-  out1[2] = x22;
-  out1[3] = x24;
-  out1[4] = x26;
-  out1[5] = x28;
-  out1[6] = x30;
-  out1[7] = x32;
-}
-
-/// The function fiat_secp256k1_opp negates a field element in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = -eval (from_montgomery arg1) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_opp(out1: &mut fiat_secp256k1_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_domain_field_element) -> () {
-  let mut x1: u32 = 0;
-  let mut x2: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x1, &mut x2, 0x0, (0x0 as u32), (arg1[0]));
-  let mut x3: u32 = 0;
-  let mut x4: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x3, &mut x4, x2, (0x0 as u32), (arg1[1]));
-  let mut x5: u32 = 0;
-  let mut x6: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x5, &mut x6, x4, (0x0 as u32), (arg1[2]));
-  let mut x7: u32 = 0;
-  let mut x8: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x7, &mut x8, x6, (0x0 as u32), (arg1[3]));
-  let mut x9: u32 = 0;
-  let mut x10: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x9, &mut x10, x8, (0x0 as u32), (arg1[4]));
-  let mut x11: u32 = 0;
-  let mut x12: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x11, &mut x12, x10, (0x0 as u32), (arg1[5]));
-  let mut x13: u32 = 0;
-  let mut x14: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x13, &mut x14, x12, (0x0 as u32), (arg1[6]));
-  let mut x15: u32 = 0;
-  let mut x16: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x15, &mut x16, x14, (0x0 as u32), (arg1[7]));
-  let mut x17: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x17, x16, (0x0 as u32), 0xffffffff);
-  let mut x18: u32 = 0;
-  let mut x19: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x18, &mut x19, 0x0, x1, (x17 & 0xfffffc2f));
-  let mut x20: u32 = 0;
-  let mut x21: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x20, &mut x21, x19, x3, (x17 & 0xfffffffe));
-  let mut x22: u32 = 0;
-  let mut x23: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x22, &mut x23, x21, x5, x17);
-  let mut x24: u32 = 0;
-  let mut x25: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x24, &mut x25, x23, x7, x17);
-  let mut x26: u32 = 0;
-  let mut x27: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x26, &mut x27, x25, x9, x17);
-  let mut x28: u32 = 0;
-  let mut x29: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x28, &mut x29, x27, x11, x17);
-  let mut x30: u32 = 0;
-  let mut x31: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x30, &mut x31, x29, x13, x17);
-  let mut x32: u32 = 0;
-  let mut x33: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x32, &mut x33, x31, x15, x17);
-  out1[0] = x18;
-  out1[1] = x20;
-  out1[2] = x22;
-  out1[3] = x24;
-  out1[4] = x26;
-  out1[5] = x28;
-  out1[6] = x30;
-  out1[7] = x32;
-}
-
-/// The function fiat_secp256k1_from_montgomery translates a field element out of the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval out1 mod m = (eval arg1 * ((2^32)⁻¹ mod m)^8) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_from_montgomery(out1: &mut fiat_secp256k1_non_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_domain_field_element) -> () {
-  let x1: u32 = (arg1[0]);
-  let mut x2: u32 = 0;
-  let mut x3: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x2, &mut x3, x1, 0xd2253531);
-  let mut x4: u32 = 0;
-  let mut x5: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x4, &mut x5, x2, 0xffffffff);
-  let mut x6: u32 = 0;
-  let mut x7: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x6, &mut x7, x2, 0xffffffff);
-  let mut x8: u32 = 0;
-  let mut x9: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x8, &mut x9, x2, 0xffffffff);
-  let mut x10: u32 = 0;
-  let mut x11: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x10, &mut x11, x2, 0xffffffff);
-  let mut x12: u32 = 0;
-  let mut x13: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x12, &mut x13, x2, 0xffffffff);
-  let mut x14: u32 = 0;
-  let mut x15: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x14, &mut x15, x2, 0xffffffff);
-  let mut x16: u32 = 0;
-  let mut x17: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x16, &mut x17, x2, 0xfffffffe);
-  let mut x18: u32 = 0;
-  let mut x19: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x18, &mut x19, x2, 0xfffffc2f);
-  let mut x20: u32 = 0;
-  let mut x21: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x20, &mut x21, 0x0, x19, x16);
-  let mut x22: u32 = 0;
-  let mut x23: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x22, &mut x23, x21, x17, x14);
-  let mut x24: u32 = 0;
-  let mut x25: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x24, &mut x25, x23, x15, x12);
-  let mut x26: u32 = 0;
-  let mut x27: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x26, &mut x27, x25, x13, x10);
-  let mut x28: u32 = 0;
-  let mut x29: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x28, &mut x29, x27, x11, x8);
-  let mut x30: u32 = 0;
-  let mut x31: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x30, &mut x31, x29, x9, x6);
-  let mut x32: u32 = 0;
-  let mut x33: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x32, &mut x33, x31, x7, x4);
-  let mut x34: u32 = 0;
-  let mut x35: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x34, &mut x35, 0x0, x1, x18);
-  let mut x36: u32 = 0;
-  let mut x37: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x36, &mut x37, x35, (0x0 as u32), x20);
-  let mut x38: u32 = 0;
-  let mut x39: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x38, &mut x39, x37, (0x0 as u32), x22);
-  let mut x40: u32 = 0;
-  let mut x41: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x40, &mut x41, x39, (0x0 as u32), x24);
-  let mut x42: u32 = 0;
-  let mut x43: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x42, &mut x43, x41, (0x0 as u32), x26);
-  let mut x44: u32 = 0;
-  let mut x45: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x44, &mut x45, x43, (0x0 as u32), x28);
-  let mut x46: u32 = 0;
-  let mut x47: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x46, &mut x47, x45, (0x0 as u32), x30);
-  let mut x48: u32 = 0;
-  let mut x49: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x48, &mut x49, x47, (0x0 as u32), x32);
-  let mut x50: u32 = 0;
-  let mut x51: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x50, &mut x51, x49, (0x0 as u32), ((x33 as u32) + x5));
-  let mut x52: u32 = 0;
-  let mut x53: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x52, &mut x53, 0x0, x36, (arg1[1]));
-  let mut x54: u32 = 0;
-  let mut x55: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x54, &mut x55, x53, x38, (0x0 as u32));
-  let mut x56: u32 = 0;
-  let mut x57: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x56, &mut x57, x55, x40, (0x0 as u32));
-  let mut x58: u32 = 0;
-  let mut x59: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x58, &mut x59, x57, x42, (0x0 as u32));
-  let mut x60: u32 = 0;
-  let mut x61: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x60, &mut x61, x59, x44, (0x0 as u32));
-  let mut x62: u32 = 0;
-  let mut x63: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x62, &mut x63, x61, x46, (0x0 as u32));
-  let mut x64: u32 = 0;
-  let mut x65: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x64, &mut x65, x63, x48, (0x0 as u32));
-  let mut x66: u32 = 0;
-  let mut x67: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x66, &mut x67, x65, x50, (0x0 as u32));
-  let mut x68: u32 = 0;
-  let mut x69: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x68, &mut x69, x52, 0xd2253531);
-  let mut x70: u32 = 0;
-  let mut x71: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x70, &mut x71, x68, 0xffffffff);
-  let mut x72: u32 = 0;
-  let mut x73: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x72, &mut x73, x68, 0xffffffff);
-  let mut x74: u32 = 0;
-  let mut x75: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x74, &mut x75, x68, 0xffffffff);
-  let mut x76: u32 = 0;
-  let mut x77: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x76, &mut x77, x68, 0xffffffff);
-  let mut x78: u32 = 0;
-  let mut x79: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x78, &mut x79, x68, 0xffffffff);
-  let mut x80: u32 = 0;
-  let mut x81: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x80, &mut x81, x68, 0xffffffff);
-  let mut x82: u32 = 0;
-  let mut x83: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x82, &mut x83, x68, 0xfffffffe);
-  let mut x84: u32 = 0;
-  let mut x85: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x84, &mut x85, x68, 0xfffffc2f);
-  let mut x86: u32 = 0;
-  let mut x87: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x86, &mut x87, 0x0, x85, x82);
-  let mut x88: u32 = 0;
-  let mut x89: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x88, &mut x89, x87, x83, x80);
-  let mut x90: u32 = 0;
-  let mut x91: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x90, &mut x91, x89, x81, x78);
-  let mut x92: u32 = 0;
-  let mut x93: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x92, &mut x93, x91, x79, x76);
-  let mut x94: u32 = 0;
-  let mut x95: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x94, &mut x95, x93, x77, x74);
-  let mut x96: u32 = 0;
-  let mut x97: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x96, &mut x97, x95, x75, x72);
-  let mut x98: u32 = 0;
-  let mut x99: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x98, &mut x99, x97, x73, x70);
-  let mut x100: u32 = 0;
-  let mut x101: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x100, &mut x101, 0x0, x52, x84);
-  let mut x102: u32 = 0;
-  let mut x103: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x102, &mut x103, x101, x54, x86);
-  let mut x104: u32 = 0;
-  let mut x105: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x104, &mut x105, x103, x56, x88);
-  let mut x106: u32 = 0;
-  let mut x107: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x106, &mut x107, x105, x58, x90);
-  let mut x108: u32 = 0;
-  let mut x109: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x108, &mut x109, x107, x60, x92);
-  let mut x110: u32 = 0;
-  let mut x111: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x110, &mut x111, x109, x62, x94);
-  let mut x112: u32 = 0;
-  let mut x113: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x112, &mut x113, x111, x64, x96);
-  let mut x114: u32 = 0;
-  let mut x115: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x114, &mut x115, x113, x66, x98);
-  let mut x116: u32 = 0;
-  let mut x117: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x116, &mut x117, x115, ((x67 as u32) + (x51 as u32)), ((x99 as u32) + x71));
-  let mut x118: u32 = 0;
-  let mut x119: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x118, &mut x119, 0x0, x102, (arg1[2]));
-  let mut x120: u32 = 0;
-  let mut x121: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x120, &mut x121, x119, x104, (0x0 as u32));
-  let mut x122: u32 = 0;
-  let mut x123: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x122, &mut x123, x121, x106, (0x0 as u32));
-  let mut x124: u32 = 0;
-  let mut x125: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x124, &mut x125, x123, x108, (0x0 as u32));
-  let mut x126: u32 = 0;
-  let mut x127: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x126, &mut x127, x125, x110, (0x0 as u32));
-  let mut x128: u32 = 0;
-  let mut x129: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x128, &mut x129, x127, x112, (0x0 as u32));
-  let mut x130: u32 = 0;
-  let mut x131: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x130, &mut x131, x129, x114, (0x0 as u32));
-  let mut x132: u32 = 0;
-  let mut x133: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x132, &mut x133, x131, x116, (0x0 as u32));
-  let mut x134: u32 = 0;
-  let mut x135: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x134, &mut x135, x118, 0xd2253531);
-  let mut x136: u32 = 0;
-  let mut x137: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x136, &mut x137, x134, 0xffffffff);
-  let mut x138: u32 = 0;
-  let mut x139: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x138, &mut x139, x134, 0xffffffff);
-  let mut x140: u32 = 0;
-  let mut x141: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x140, &mut x141, x134, 0xffffffff);
-  let mut x142: u32 = 0;
-  let mut x143: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x142, &mut x143, x134, 0xffffffff);
-  let mut x144: u32 = 0;
-  let mut x145: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x144, &mut x145, x134, 0xffffffff);
-  let mut x146: u32 = 0;
-  let mut x147: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x146, &mut x147, x134, 0xffffffff);
-  let mut x148: u32 = 0;
-  let mut x149: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x148, &mut x149, x134, 0xfffffffe);
-  let mut x150: u32 = 0;
-  let mut x151: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x150, &mut x151, x134, 0xfffffc2f);
-  let mut x152: u32 = 0;
-  let mut x153: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x152, &mut x153, 0x0, x151, x148);
-  let mut x154: u32 = 0;
-  let mut x155: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x154, &mut x155, x153, x149, x146);
-  let mut x156: u32 = 0;
-  let mut x157: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x156, &mut x157, x155, x147, x144);
-  let mut x158: u32 = 0;
-  let mut x159: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x158, &mut x159, x157, x145, x142);
-  let mut x160: u32 = 0;
-  let mut x161: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x160, &mut x161, x159, x143, x140);
-  let mut x162: u32 = 0;
-  let mut x163: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x162, &mut x163, x161, x141, x138);
-  let mut x164: u32 = 0;
-  let mut x165: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x164, &mut x165, x163, x139, x136);
-  let mut x166: u32 = 0;
-  let mut x167: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x166, &mut x167, 0x0, x118, x150);
-  let mut x168: u32 = 0;
-  let mut x169: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x168, &mut x169, x167, x120, x152);
-  let mut x170: u32 = 0;
-  let mut x171: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x170, &mut x171, x169, x122, x154);
-  let mut x172: u32 = 0;
-  let mut x173: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x172, &mut x173, x171, x124, x156);
-  let mut x174: u32 = 0;
-  let mut x175: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x174, &mut x175, x173, x126, x158);
-  let mut x176: u32 = 0;
-  let mut x177: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x176, &mut x177, x175, x128, x160);
-  let mut x178: u32 = 0;
-  let mut x179: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x178, &mut x179, x177, x130, x162);
-  let mut x180: u32 = 0;
-  let mut x181: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x180, &mut x181, x179, x132, x164);
-  let mut x182: u32 = 0;
-  let mut x183: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x182, &mut x183, x181, ((x133 as u32) + (x117 as u32)), ((x165 as u32) + x137));
-  let mut x184: u32 = 0;
-  let mut x185: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x184, &mut x185, 0x0, x168, (arg1[3]));
-  let mut x186: u32 = 0;
-  let mut x187: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x186, &mut x187, x185, x170, (0x0 as u32));
-  let mut x188: u32 = 0;
-  let mut x189: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x188, &mut x189, x187, x172, (0x0 as u32));
-  let mut x190: u32 = 0;
-  let mut x191: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x190, &mut x191, x189, x174, (0x0 as u32));
-  let mut x192: u32 = 0;
-  let mut x193: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x192, &mut x193, x191, x176, (0x0 as u32));
-  let mut x194: u32 = 0;
-  let mut x195: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x194, &mut x195, x193, x178, (0x0 as u32));
-  let mut x196: u32 = 0;
-  let mut x197: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x196, &mut x197, x195, x180, (0x0 as u32));
-  let mut x198: u32 = 0;
-  let mut x199: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x198, &mut x199, x197, x182, (0x0 as u32));
-  let mut x200: u32 = 0;
-  let mut x201: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x200, &mut x201, x184, 0xd2253531);
-  let mut x202: u32 = 0;
-  let mut x203: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x202, &mut x203, x200, 0xffffffff);
-  let mut x204: u32 = 0;
-  let mut x205: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x204, &mut x205, x200, 0xffffffff);
-  let mut x206: u32 = 0;
-  let mut x207: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x206, &mut x207, x200, 0xffffffff);
-  let mut x208: u32 = 0;
-  let mut x209: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x208, &mut x209, x200, 0xffffffff);
-  let mut x210: u32 = 0;
-  let mut x211: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x210, &mut x211, x200, 0xffffffff);
-  let mut x212: u32 = 0;
-  let mut x213: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x212, &mut x213, x200, 0xffffffff);
-  let mut x214: u32 = 0;
-  let mut x215: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x214, &mut x215, x200, 0xfffffffe);
-  let mut x216: u32 = 0;
-  let mut x217: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x216, &mut x217, x200, 0xfffffc2f);
-  let mut x218: u32 = 0;
-  let mut x219: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x218, &mut x219, 0x0, x217, x214);
-  let mut x220: u32 = 0;
-  let mut x221: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x220, &mut x221, x219, x215, x212);
-  let mut x222: u32 = 0;
-  let mut x223: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x222, &mut x223, x221, x213, x210);
-  let mut x224: u32 = 0;
-  let mut x225: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x224, &mut x225, x223, x211, x208);
-  let mut x226: u32 = 0;
-  let mut x227: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x226, &mut x227, x225, x209, x206);
-  let mut x228: u32 = 0;
-  let mut x229: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x228, &mut x229, x227, x207, x204);
-  let mut x230: u32 = 0;
-  let mut x231: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x230, &mut x231, x229, x205, x202);
-  let mut x232: u32 = 0;
-  let mut x233: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x232, &mut x233, 0x0, x184, x216);
-  let mut x234: u32 = 0;
-  let mut x235: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x234, &mut x235, x233, x186, x218);
-  let mut x236: u32 = 0;
-  let mut x237: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x236, &mut x237, x235, x188, x220);
-  let mut x238: u32 = 0;
-  let mut x239: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x238, &mut x239, x237, x190, x222);
-  let mut x240: u32 = 0;
-  let mut x241: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x240, &mut x241, x239, x192, x224);
-  let mut x242: u32 = 0;
-  let mut x243: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x242, &mut x243, x241, x194, x226);
-  let mut x244: u32 = 0;
-  let mut x245: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x244, &mut x245, x243, x196, x228);
-  let mut x246: u32 = 0;
-  let mut x247: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x246, &mut x247, x245, x198, x230);
-  let mut x248: u32 = 0;
-  let mut x249: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x248, &mut x249, x247, ((x199 as u32) + (x183 as u32)), ((x231 as u32) + x203));
-  let mut x250: u32 = 0;
-  let mut x251: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x250, &mut x251, 0x0, x234, (arg1[4]));
-  let mut x252: u32 = 0;
-  let mut x253: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x252, &mut x253, x251, x236, (0x0 as u32));
-  let mut x254: u32 = 0;
-  let mut x255: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x254, &mut x255, x253, x238, (0x0 as u32));
-  let mut x256: u32 = 0;
-  let mut x257: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x256, &mut x257, x255, x240, (0x0 as u32));
-  let mut x258: u32 = 0;
-  let mut x259: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x258, &mut x259, x257, x242, (0x0 as u32));
-  let mut x260: u32 = 0;
-  let mut x261: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x260, &mut x261, x259, x244, (0x0 as u32));
-  let mut x262: u32 = 0;
-  let mut x263: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x262, &mut x263, x261, x246, (0x0 as u32));
-  let mut x264: u32 = 0;
-  let mut x265: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x264, &mut x265, x263, x248, (0x0 as u32));
-  let mut x266: u32 = 0;
-  let mut x267: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x266, &mut x267, x250, 0xd2253531);
-  let mut x268: u32 = 0;
-  let mut x269: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x268, &mut x269, x266, 0xffffffff);
-  let mut x270: u32 = 0;
-  let mut x271: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x270, &mut x271, x266, 0xffffffff);
-  let mut x272: u32 = 0;
-  let mut x273: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x272, &mut x273, x266, 0xffffffff);
-  let mut x274: u32 = 0;
-  let mut x275: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x274, &mut x275, x266, 0xffffffff);
-  let mut x276: u32 = 0;
-  let mut x277: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x276, &mut x277, x266, 0xffffffff);
-  let mut x278: u32 = 0;
-  let mut x279: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x278, &mut x279, x266, 0xffffffff);
-  let mut x280: u32 = 0;
-  let mut x281: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x280, &mut x281, x266, 0xfffffffe);
-  let mut x282: u32 = 0;
-  let mut x283: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x282, &mut x283, x266, 0xfffffc2f);
-  let mut x284: u32 = 0;
-  let mut x285: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x284, &mut x285, 0x0, x283, x280);
-  let mut x286: u32 = 0;
-  let mut x287: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x286, &mut x287, x285, x281, x278);
-  let mut x288: u32 = 0;
-  let mut x289: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x288, &mut x289, x287, x279, x276);
-  let mut x290: u32 = 0;
-  let mut x291: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x290, &mut x291, x289, x277, x274);
-  let mut x292: u32 = 0;
-  let mut x293: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x292, &mut x293, x291, x275, x272);
-  let mut x294: u32 = 0;
-  let mut x295: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x294, &mut x295, x293, x273, x270);
-  let mut x296: u32 = 0;
-  let mut x297: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x296, &mut x297, x295, x271, x268);
-  let mut x298: u32 = 0;
-  let mut x299: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x298, &mut x299, 0x0, x250, x282);
-  let mut x300: u32 = 0;
-  let mut x301: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x300, &mut x301, x299, x252, x284);
-  let mut x302: u32 = 0;
-  let mut x303: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x302, &mut x303, x301, x254, x286);
-  let mut x304: u32 = 0;
-  let mut x305: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x304, &mut x305, x303, x256, x288);
-  let mut x306: u32 = 0;
-  let mut x307: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x306, &mut x307, x305, x258, x290);
-  let mut x308: u32 = 0;
-  let mut x309: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x308, &mut x309, x307, x260, x292);
-  let mut x310: u32 = 0;
-  let mut x311: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x310, &mut x311, x309, x262, x294);
-  let mut x312: u32 = 0;
-  let mut x313: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x312, &mut x313, x311, x264, x296);
-  let mut x314: u32 = 0;
-  let mut x315: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x314, &mut x315, x313, ((x265 as u32) + (x249 as u32)), ((x297 as u32) + x269));
-  let mut x316: u32 = 0;
-  let mut x317: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x316, &mut x317, 0x0, x300, (arg1[5]));
-  let mut x318: u32 = 0;
-  let mut x319: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x318, &mut x319, x317, x302, (0x0 as u32));
-  let mut x320: u32 = 0;
-  let mut x321: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x320, &mut x321, x319, x304, (0x0 as u32));
-  let mut x322: u32 = 0;
-  let mut x323: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x322, &mut x323, x321, x306, (0x0 as u32));
-  let mut x324: u32 = 0;
-  let mut x325: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x324, &mut x325, x323, x308, (0x0 as u32));
-  let mut x326: u32 = 0;
-  let mut x327: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x326, &mut x327, x325, x310, (0x0 as u32));
-  let mut x328: u32 = 0;
-  let mut x329: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x328, &mut x329, x327, x312, (0x0 as u32));
-  let mut x330: u32 = 0;
-  let mut x331: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x330, &mut x331, x329, x314, (0x0 as u32));
-  let mut x332: u32 = 0;
-  let mut x333: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x332, &mut x333, x316, 0xd2253531);
-  let mut x334: u32 = 0;
-  let mut x335: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x334, &mut x335, x332, 0xffffffff);
-  let mut x336: u32 = 0;
-  let mut x337: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x336, &mut x337, x332, 0xffffffff);
-  let mut x338: u32 = 0;
-  let mut x339: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x338, &mut x339, x332, 0xffffffff);
-  let mut x340: u32 = 0;
-  let mut x341: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x340, &mut x341, x332, 0xffffffff);
-  let mut x342: u32 = 0;
-  let mut x343: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x342, &mut x343, x332, 0xffffffff);
-  let mut x344: u32 = 0;
-  let mut x345: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x344, &mut x345, x332, 0xffffffff);
-  let mut x346: u32 = 0;
-  let mut x347: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x346, &mut x347, x332, 0xfffffffe);
-  let mut x348: u32 = 0;
-  let mut x349: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x348, &mut x349, x332, 0xfffffc2f);
-  let mut x350: u32 = 0;
-  let mut x351: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x350, &mut x351, 0x0, x349, x346);
-  let mut x352: u32 = 0;
-  let mut x353: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x352, &mut x353, x351, x347, x344);
-  let mut x354: u32 = 0;
-  let mut x355: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x354, &mut x355, x353, x345, x342);
-  let mut x356: u32 = 0;
-  let mut x357: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x356, &mut x357, x355, x343, x340);
-  let mut x358: u32 = 0;
-  let mut x359: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x358, &mut x359, x357, x341, x338);
-  let mut x360: u32 = 0;
-  let mut x361: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x360, &mut x361, x359, x339, x336);
-  let mut x362: u32 = 0;
-  let mut x363: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x362, &mut x363, x361, x337, x334);
-  let mut x364: u32 = 0;
-  let mut x365: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x364, &mut x365, 0x0, x316, x348);
-  let mut x366: u32 = 0;
-  let mut x367: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x366, &mut x367, x365, x318, x350);
-  let mut x368: u32 = 0;
-  let mut x369: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x368, &mut x369, x367, x320, x352);
-  let mut x370: u32 = 0;
-  let mut x371: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x370, &mut x371, x369, x322, x354);
-  let mut x372: u32 = 0;
-  let mut x373: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x372, &mut x373, x371, x324, x356);
-  let mut x374: u32 = 0;
-  let mut x375: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x374, &mut x375, x373, x326, x358);
-  let mut x376: u32 = 0;
-  let mut x377: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x376, &mut x377, x375, x328, x360);
-  let mut x378: u32 = 0;
-  let mut x379: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x378, &mut x379, x377, x330, x362);
-  let mut x380: u32 = 0;
-  let mut x381: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x380, &mut x381, x379, ((x331 as u32) + (x315 as u32)), ((x363 as u32) + x335));
-  let mut x382: u32 = 0;
-  let mut x383: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x382, &mut x383, 0x0, x366, (arg1[6]));
-  let mut x384: u32 = 0;
-  let mut x385: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x384, &mut x385, x383, x368, (0x0 as u32));
-  let mut x386: u32 = 0;
-  let mut x387: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x386, &mut x387, x385, x370, (0x0 as u32));
-  let mut x388: u32 = 0;
-  let mut x389: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x388, &mut x389, x387, x372, (0x0 as u32));
-  let mut x390: u32 = 0;
-  let mut x391: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x390, &mut x391, x389, x374, (0x0 as u32));
-  let mut x392: u32 = 0;
-  let mut x393: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x392, &mut x393, x391, x376, (0x0 as u32));
-  let mut x394: u32 = 0;
-  let mut x395: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x394, &mut x395, x393, x378, (0x0 as u32));
-  let mut x396: u32 = 0;
-  let mut x397: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x396, &mut x397, x395, x380, (0x0 as u32));
-  let mut x398: u32 = 0;
-  let mut x399: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x398, &mut x399, x382, 0xd2253531);
-  let mut x400: u32 = 0;
-  let mut x401: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x400, &mut x401, x398, 0xffffffff);
-  let mut x402: u32 = 0;
-  let mut x403: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x402, &mut x403, x398, 0xffffffff);
-  let mut x404: u32 = 0;
-  let mut x405: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x404, &mut x405, x398, 0xffffffff);
-  let mut x406: u32 = 0;
-  let mut x407: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x406, &mut x407, x398, 0xffffffff);
-  let mut x408: u32 = 0;
-  let mut x409: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x408, &mut x409, x398, 0xffffffff);
-  let mut x410: u32 = 0;
-  let mut x411: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x410, &mut x411, x398, 0xffffffff);
-  let mut x412: u32 = 0;
-  let mut x413: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x412, &mut x413, x398, 0xfffffffe);
-  let mut x414: u32 = 0;
-  let mut x415: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x414, &mut x415, x398, 0xfffffc2f);
-  let mut x416: u32 = 0;
-  let mut x417: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x416, &mut x417, 0x0, x415, x412);
-  let mut x418: u32 = 0;
-  let mut x419: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x418, &mut x419, x417, x413, x410);
-  let mut x420: u32 = 0;
-  let mut x421: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x420, &mut x421, x419, x411, x408);
-  let mut x422: u32 = 0;
-  let mut x423: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x422, &mut x423, x421, x409, x406);
-  let mut x424: u32 = 0;
-  let mut x425: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x424, &mut x425, x423, x407, x404);
-  let mut x426: u32 = 0;
-  let mut x427: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x426, &mut x427, x425, x405, x402);
-  let mut x428: u32 = 0;
-  let mut x429: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x428, &mut x429, x427, x403, x400);
-  let mut x430: u32 = 0;
-  let mut x431: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x430, &mut x431, 0x0, x382, x414);
-  let mut x432: u32 = 0;
-  let mut x433: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x432, &mut x433, x431, x384, x416);
-  let mut x434: u32 = 0;
-  let mut x435: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x434, &mut x435, x433, x386, x418);
-  let mut x436: u32 = 0;
-  let mut x437: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x436, &mut x437, x435, x388, x420);
-  let mut x438: u32 = 0;
-  let mut x439: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x438, &mut x439, x437, x390, x422);
-  let mut x440: u32 = 0;
-  let mut x441: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x440, &mut x441, x439, x392, x424);
-  let mut x442: u32 = 0;
-  let mut x443: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x442, &mut x443, x441, x394, x426);
-  let mut x444: u32 = 0;
-  let mut x445: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x444, &mut x445, x443, x396, x428);
-  let mut x446: u32 = 0;
-  let mut x447: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x446, &mut x447, x445, ((x397 as u32) + (x381 as u32)), ((x429 as u32) + x401));
-  let mut x448: u32 = 0;
-  let mut x449: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x448, &mut x449, 0x0, x432, (arg1[7]));
-  let mut x450: u32 = 0;
-  let mut x451: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x450, &mut x451, x449, x434, (0x0 as u32));
-  let mut x452: u32 = 0;
-  let mut x453: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x452, &mut x453, x451, x436, (0x0 as u32));
-  let mut x454: u32 = 0;
-  let mut x455: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x454, &mut x455, x453, x438, (0x0 as u32));
-  let mut x456: u32 = 0;
-  let mut x457: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x456, &mut x457, x455, x440, (0x0 as u32));
-  let mut x458: u32 = 0;
-  let mut x459: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x458, &mut x459, x457, x442, (0x0 as u32));
-  let mut x460: u32 = 0;
-  let mut x461: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x460, &mut x461, x459, x444, (0x0 as u32));
-  let mut x462: u32 = 0;
-  let mut x463: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x462, &mut x463, x461, x446, (0x0 as u32));
-  let mut x464: u32 = 0;
-  let mut x465: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x464, &mut x465, x448, 0xd2253531);
-  let mut x466: u32 = 0;
-  let mut x467: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x466, &mut x467, x464, 0xffffffff);
-  let mut x468: u32 = 0;
-  let mut x469: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x468, &mut x469, x464, 0xffffffff);
-  let mut x470: u32 = 0;
-  let mut x471: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x470, &mut x471, x464, 0xffffffff);
-  let mut x472: u32 = 0;
-  let mut x473: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x472, &mut x473, x464, 0xffffffff);
-  let mut x474: u32 = 0;
-  let mut x475: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x474, &mut x475, x464, 0xffffffff);
-  let mut x476: u32 = 0;
-  let mut x477: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x476, &mut x477, x464, 0xffffffff);
-  let mut x478: u32 = 0;
-  let mut x479: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x478, &mut x479, x464, 0xfffffffe);
-  let mut x480: u32 = 0;
-  let mut x481: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x480, &mut x481, x464, 0xfffffc2f);
-  let mut x482: u32 = 0;
-  let mut x483: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x482, &mut x483, 0x0, x481, x478);
-  let mut x484: u32 = 0;
-  let mut x485: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x484, &mut x485, x483, x479, x476);
-  let mut x486: u32 = 0;
-  let mut x487: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x486, &mut x487, x485, x477, x474);
-  let mut x488: u32 = 0;
-  let mut x489: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x488, &mut x489, x487, x475, x472);
-  let mut x490: u32 = 0;
-  let mut x491: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x490, &mut x491, x489, x473, x470);
-  let mut x492: u32 = 0;
-  let mut x493: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x492, &mut x493, x491, x471, x468);
-  let mut x494: u32 = 0;
-  let mut x495: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x494, &mut x495, x493, x469, x466);
-  let mut x496: u32 = 0;
-  let mut x497: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x496, &mut x497, 0x0, x448, x480);
-  let mut x498: u32 = 0;
-  let mut x499: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x498, &mut x499, x497, x450, x482);
-  let mut x500: u32 = 0;
-  let mut x501: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x500, &mut x501, x499, x452, x484);
-  let mut x502: u32 = 0;
-  let mut x503: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x502, &mut x503, x501, x454, x486);
-  let mut x504: u32 = 0;
-  let mut x505: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x504, &mut x505, x503, x456, x488);
-  let mut x506: u32 = 0;
-  let mut x507: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x506, &mut x507, x505, x458, x490);
-  let mut x508: u32 = 0;
-  let mut x509: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x508, &mut x509, x507, x460, x492);
-  let mut x510: u32 = 0;
-  let mut x511: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x510, &mut x511, x509, x462, x494);
-  let mut x512: u32 = 0;
-  let mut x513: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x512, &mut x513, x511, ((x463 as u32) + (x447 as u32)), ((x495 as u32) + x467));
-  let mut x514: u32 = 0;
-  let mut x515: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x514, &mut x515, 0x0, x498, 0xfffffc2f);
-  let mut x516: u32 = 0;
-  let mut x517: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x516, &mut x517, x515, x500, 0xfffffffe);
-  let mut x518: u32 = 0;
-  let mut x519: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x518, &mut x519, x517, x502, 0xffffffff);
-  let mut x520: u32 = 0;
-  let mut x521: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x520, &mut x521, x519, x504, 0xffffffff);
-  let mut x522: u32 = 0;
-  let mut x523: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x522, &mut x523, x521, x506, 0xffffffff);
-  let mut x524: u32 = 0;
-  let mut x525: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x524, &mut x525, x523, x508, 0xffffffff);
-  let mut x526: u32 = 0;
-  let mut x527: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x526, &mut x527, x525, x510, 0xffffffff);
-  let mut x528: u32 = 0;
-  let mut x529: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x528, &mut x529, x527, x512, 0xffffffff);
-  let mut x530: u32 = 0;
-  let mut x531: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x530, &mut x531, x529, (x513 as u32), (0x0 as u32));
-  let mut x532: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x532, x531, x514, x498);
-  let mut x533: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x533, x531, x516, x500);
-  let mut x534: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x534, x531, x518, x502);
-  let mut x535: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x535, x531, x520, x504);
-  let mut x536: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x536, x531, x522, x506);
-  let mut x537: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x537, x531, x524, x508);
-  let mut x538: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x538, x531, x526, x510);
-  let mut x539: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x539, x531, x528, x512);
-  out1[0] = x532;
-  out1[1] = x533;
-  out1[2] = x534;
-  out1[3] = x535;
-  out1[4] = x536;
-  out1[5] = x537;
-  out1[6] = x538;
-  out1[7] = x539;
-}
-
-/// The function fiat_secp256k1_to_montgomery translates a field element into the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = eval arg1 mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_to_montgomery(out1: &mut fiat_secp256k1_montgomery_domain_field_element, arg1: &fiat_secp256k1_non_montgomery_domain_field_element) -> () {
-  let x1: u32 = (arg1[1]);
-  let x2: u32 = (arg1[2]);
-  let x3: u32 = (arg1[3]);
-  let x4: u32 = (arg1[4]);
-  let x5: u32 = (arg1[5]);
-  let x6: u32 = (arg1[6]);
-  let x7: u32 = (arg1[7]);
-  let x8: u32 = (arg1[0]);
-  let mut x9: u32 = 0;
-  let mut x10: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x9, &mut x10, x8, 0x7a2);
-  let mut x11: u32 = 0;
-  let mut x12: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x11, &mut x12, x8, 0xe90a1);
-  let mut x13: u32 = 0;
-  let mut x14: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x13, &mut x14, 0x0, x12, x9);
-  let mut x15: u32 = 0;
-  let mut x16: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x15, &mut x16, x14, x10, x8);
-  let mut x17: u32 = 0;
-  let mut x18: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x17, &mut x18, x11, 0xd2253531);
-  let mut x19: u32 = 0;
-  let mut x20: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x19, &mut x20, x17, 0xffffffff);
-  let mut x21: u32 = 0;
-  let mut x22: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x21, &mut x22, x17, 0xffffffff);
-  let mut x23: u32 = 0;
-  let mut x24: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x23, &mut x24, x17, 0xffffffff);
-  let mut x25: u32 = 0;
-  let mut x26: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x25, &mut x26, x17, 0xffffffff);
-  let mut x27: u32 = 0;
-  let mut x28: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x27, &mut x28, x17, 0xffffffff);
-  let mut x29: u32 = 0;
-  let mut x30: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x29, &mut x30, x17, 0xffffffff);
-  let mut x31: u32 = 0;
-  let mut x32: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x31, &mut x32, x17, 0xfffffffe);
-  let mut x33: u32 = 0;
-  let mut x34: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x33, &mut x34, x17, 0xfffffc2f);
-  let mut x35: u32 = 0;
-  let mut x36: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x35, &mut x36, 0x0, x34, x31);
-  let mut x37: u32 = 0;
-  let mut x38: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x37, &mut x38, x36, x32, x29);
-  let mut x39: u32 = 0;
-  let mut x40: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x39, &mut x40, x38, x30, x27);
-  let mut x41: u32 = 0;
-  let mut x42: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x41, &mut x42, x40, x28, x25);
-  let mut x43: u32 = 0;
-  let mut x44: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x43, &mut x44, x42, x26, x23);
-  let mut x45: u32 = 0;
-  let mut x46: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x45, &mut x46, x44, x24, x21);
-  let mut x47: u32 = 0;
-  let mut x48: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x47, &mut x48, x46, x22, x19);
-  let mut x49: u32 = 0;
-  let mut x50: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x49, &mut x50, 0x0, x11, x33);
-  let mut x51: u32 = 0;
-  let mut x52: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x51, &mut x52, x50, x13, x35);
-  let mut x53: u32 = 0;
-  let mut x54: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x53, &mut x54, x52, x15, x37);
-  let mut x55: u32 = 0;
-  let mut x56: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x55, &mut x56, x54, (x16 as u32), x39);
-  let mut x57: u32 = 0;
-  let mut x58: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x57, &mut x58, x56, (0x0 as u32), x41);
-  let mut x59: u32 = 0;
-  let mut x60: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x59, &mut x60, x58, (0x0 as u32), x43);
-  let mut x61: u32 = 0;
-  let mut x62: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x61, &mut x62, x60, (0x0 as u32), x45);
-  let mut x63: u32 = 0;
-  let mut x64: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x63, &mut x64, x62, (0x0 as u32), x47);
-  let mut x65: u32 = 0;
-  let mut x66: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x65, &mut x66, x64, (0x0 as u32), ((x48 as u32) + x20));
-  let mut x67: u32 = 0;
-  let mut x68: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x67, &mut x68, x1, 0x7a2);
-  let mut x69: u32 = 0;
-  let mut x70: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x69, &mut x70, x1, 0xe90a1);
-  let mut x71: u32 = 0;
-  let mut x72: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x71, &mut x72, 0x0, x70, x67);
-  let mut x73: u32 = 0;
-  let mut x74: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x73, &mut x74, x72, x68, x1);
-  let mut x75: u32 = 0;
-  let mut x76: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x75, &mut x76, 0x0, x51, x69);
-  let mut x77: u32 = 0;
-  let mut x78: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x77, &mut x78, x76, x53, x71);
-  let mut x79: u32 = 0;
-  let mut x80: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x79, &mut x80, x78, x55, x73);
-  let mut x81: u32 = 0;
-  let mut x82: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x81, &mut x82, x80, x57, (x74 as u32));
-  let mut x83: u32 = 0;
-  let mut x84: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x83, &mut x84, x82, x59, (0x0 as u32));
-  let mut x85: u32 = 0;
-  let mut x86: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x85, &mut x86, x84, x61, (0x0 as u32));
-  let mut x87: u32 = 0;
-  let mut x88: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x87, &mut x88, x86, x63, (0x0 as u32));
-  let mut x89: u32 = 0;
-  let mut x90: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x89, &mut x90, x88, x65, (0x0 as u32));
-  let mut x91: u32 = 0;
-  let mut x92: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x91, &mut x92, x75, 0xd2253531);
-  let mut x93: u32 = 0;
-  let mut x94: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x93, &mut x94, x91, 0xffffffff);
-  let mut x95: u32 = 0;
-  let mut x96: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x95, &mut x96, x91, 0xffffffff);
-  let mut x97: u32 = 0;
-  let mut x98: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x97, &mut x98, x91, 0xffffffff);
-  let mut x99: u32 = 0;
-  let mut x100: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x99, &mut x100, x91, 0xffffffff);
-  let mut x101: u32 = 0;
-  let mut x102: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x101, &mut x102, x91, 0xffffffff);
-  let mut x103: u32 = 0;
-  let mut x104: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x103, &mut x104, x91, 0xffffffff);
-  let mut x105: u32 = 0;
-  let mut x106: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x105, &mut x106, x91, 0xfffffffe);
-  let mut x107: u32 = 0;
-  let mut x108: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x107, &mut x108, x91, 0xfffffc2f);
-  let mut x109: u32 = 0;
-  let mut x110: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x109, &mut x110, 0x0, x108, x105);
-  let mut x111: u32 = 0;
-  let mut x112: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x111, &mut x112, x110, x106, x103);
-  let mut x113: u32 = 0;
-  let mut x114: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x113, &mut x114, x112, x104, x101);
-  let mut x115: u32 = 0;
-  let mut x116: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x115, &mut x116, x114, x102, x99);
-  let mut x117: u32 = 0;
-  let mut x118: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x117, &mut x118, x116, x100, x97);
-  let mut x119: u32 = 0;
-  let mut x120: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x119, &mut x120, x118, x98, x95);
-  let mut x121: u32 = 0;
-  let mut x122: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x121, &mut x122, x120, x96, x93);
-  let mut x123: u32 = 0;
-  let mut x124: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x123, &mut x124, 0x0, x75, x107);
-  let mut x125: u32 = 0;
-  let mut x126: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x125, &mut x126, x124, x77, x109);
-  let mut x127: u32 = 0;
-  let mut x128: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x127, &mut x128, x126, x79, x111);
-  let mut x129: u32 = 0;
-  let mut x130: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x129, &mut x130, x128, x81, x113);
-  let mut x131: u32 = 0;
-  let mut x132: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x131, &mut x132, x130, x83, x115);
-  let mut x133: u32 = 0;
-  let mut x134: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x133, &mut x134, x132, x85, x117);
-  let mut x135: u32 = 0;
-  let mut x136: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x135, &mut x136, x134, x87, x119);
-  let mut x137: u32 = 0;
-  let mut x138: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x137, &mut x138, x136, x89, x121);
-  let mut x139: u32 = 0;
-  let mut x140: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x139, &mut x140, x138, ((x90 as u32) + (x66 as u32)), ((x122 as u32) + x94));
-  let mut x141: u32 = 0;
-  let mut x142: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x141, &mut x142, x2, 0x7a2);
-  let mut x143: u32 = 0;
-  let mut x144: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x143, &mut x144, x2, 0xe90a1);
-  let mut x145: u32 = 0;
-  let mut x146: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x145, &mut x146, 0x0, x144, x141);
-  let mut x147: u32 = 0;
-  let mut x148: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x147, &mut x148, x146, x142, x2);
-  let mut x149: u32 = 0;
-  let mut x150: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x149, &mut x150, 0x0, x125, x143);
-  let mut x151: u32 = 0;
-  let mut x152: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x151, &mut x152, x150, x127, x145);
-  let mut x153: u32 = 0;
-  let mut x154: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x153, &mut x154, x152, x129, x147);
-  let mut x155: u32 = 0;
-  let mut x156: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x155, &mut x156, x154, x131, (x148 as u32));
-  let mut x157: u32 = 0;
-  let mut x158: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x157, &mut x158, x156, x133, (0x0 as u32));
-  let mut x159: u32 = 0;
-  let mut x160: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x159, &mut x160, x158, x135, (0x0 as u32));
-  let mut x161: u32 = 0;
-  let mut x162: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x161, &mut x162, x160, x137, (0x0 as u32));
-  let mut x163: u32 = 0;
-  let mut x164: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x163, &mut x164, x162, x139, (0x0 as u32));
-  let mut x165: u32 = 0;
-  let mut x166: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x165, &mut x166, x149, 0xd2253531);
-  let mut x167: u32 = 0;
-  let mut x168: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x167, &mut x168, x165, 0xffffffff);
-  let mut x169: u32 = 0;
-  let mut x170: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x169, &mut x170, x165, 0xffffffff);
-  let mut x171: u32 = 0;
-  let mut x172: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x171, &mut x172, x165, 0xffffffff);
-  let mut x173: u32 = 0;
-  let mut x174: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x173, &mut x174, x165, 0xffffffff);
-  let mut x175: u32 = 0;
-  let mut x176: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x175, &mut x176, x165, 0xffffffff);
-  let mut x177: u32 = 0;
-  let mut x178: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x177, &mut x178, x165, 0xffffffff);
-  let mut x179: u32 = 0;
-  let mut x180: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x179, &mut x180, x165, 0xfffffffe);
-  let mut x181: u32 = 0;
-  let mut x182: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x181, &mut x182, x165, 0xfffffc2f);
-  let mut x183: u32 = 0;
-  let mut x184: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x183, &mut x184, 0x0, x182, x179);
-  let mut x185: u32 = 0;
-  let mut x186: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x185, &mut x186, x184, x180, x177);
-  let mut x187: u32 = 0;
-  let mut x188: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x187, &mut x188, x186, x178, x175);
-  let mut x189: u32 = 0;
-  let mut x190: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x189, &mut x190, x188, x176, x173);
-  let mut x191: u32 = 0;
-  let mut x192: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x191, &mut x192, x190, x174, x171);
-  let mut x193: u32 = 0;
-  let mut x194: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x193, &mut x194, x192, x172, x169);
-  let mut x195: u32 = 0;
-  let mut x196: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x195, &mut x196, x194, x170, x167);
-  let mut x197: u32 = 0;
-  let mut x198: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x197, &mut x198, 0x0, x149, x181);
-  let mut x199: u32 = 0;
-  let mut x200: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x199, &mut x200, x198, x151, x183);
-  let mut x201: u32 = 0;
-  let mut x202: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x201, &mut x202, x200, x153, x185);
-  let mut x203: u32 = 0;
-  let mut x204: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x203, &mut x204, x202, x155, x187);
-  let mut x205: u32 = 0;
-  let mut x206: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x205, &mut x206, x204, x157, x189);
-  let mut x207: u32 = 0;
-  let mut x208: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x207, &mut x208, x206, x159, x191);
-  let mut x209: u32 = 0;
-  let mut x210: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x209, &mut x210, x208, x161, x193);
-  let mut x211: u32 = 0;
-  let mut x212: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x211, &mut x212, x210, x163, x195);
-  let mut x213: u32 = 0;
-  let mut x214: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x213, &mut x214, x212, ((x164 as u32) + (x140 as u32)), ((x196 as u32) + x168));
-  let mut x215: u32 = 0;
-  let mut x216: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x215, &mut x216, x3, 0x7a2);
-  let mut x217: u32 = 0;
-  let mut x218: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x217, &mut x218, x3, 0xe90a1);
-  let mut x219: u32 = 0;
-  let mut x220: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x219, &mut x220, 0x0, x218, x215);
-  let mut x221: u32 = 0;
-  let mut x222: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x221, &mut x222, x220, x216, x3);
-  let mut x223: u32 = 0;
-  let mut x224: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x223, &mut x224, 0x0, x199, x217);
-  let mut x225: u32 = 0;
-  let mut x226: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x225, &mut x226, x224, x201, x219);
-  let mut x227: u32 = 0;
-  let mut x228: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x227, &mut x228, x226, x203, x221);
-  let mut x229: u32 = 0;
-  let mut x230: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x229, &mut x230, x228, x205, (x222 as u32));
-  let mut x231: u32 = 0;
-  let mut x232: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x231, &mut x232, x230, x207, (0x0 as u32));
-  let mut x233: u32 = 0;
-  let mut x234: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x233, &mut x234, x232, x209, (0x0 as u32));
-  let mut x235: u32 = 0;
-  let mut x236: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x235, &mut x236, x234, x211, (0x0 as u32));
-  let mut x237: u32 = 0;
-  let mut x238: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x237, &mut x238, x236, x213, (0x0 as u32));
-  let mut x239: u32 = 0;
-  let mut x240: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x239, &mut x240, x223, 0xd2253531);
-  let mut x241: u32 = 0;
-  let mut x242: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x241, &mut x242, x239, 0xffffffff);
-  let mut x243: u32 = 0;
-  let mut x244: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x243, &mut x244, x239, 0xffffffff);
-  let mut x245: u32 = 0;
-  let mut x246: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x245, &mut x246, x239, 0xffffffff);
-  let mut x247: u32 = 0;
-  let mut x248: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x247, &mut x248, x239, 0xffffffff);
-  let mut x249: u32 = 0;
-  let mut x250: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x249, &mut x250, x239, 0xffffffff);
-  let mut x251: u32 = 0;
-  let mut x252: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x251, &mut x252, x239, 0xffffffff);
-  let mut x253: u32 = 0;
-  let mut x254: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x253, &mut x254, x239, 0xfffffffe);
-  let mut x255: u32 = 0;
-  let mut x256: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x255, &mut x256, x239, 0xfffffc2f);
-  let mut x257: u32 = 0;
-  let mut x258: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x257, &mut x258, 0x0, x256, x253);
-  let mut x259: u32 = 0;
-  let mut x260: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x259, &mut x260, x258, x254, x251);
-  let mut x261: u32 = 0;
-  let mut x262: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x261, &mut x262, x260, x252, x249);
-  let mut x263: u32 = 0;
-  let mut x264: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x263, &mut x264, x262, x250, x247);
-  let mut x265: u32 = 0;
-  let mut x266: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x265, &mut x266, x264, x248, x245);
-  let mut x267: u32 = 0;
-  let mut x268: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x267, &mut x268, x266, x246, x243);
-  let mut x269: u32 = 0;
-  let mut x270: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x269, &mut x270, x268, x244, x241);
-  let mut x271: u32 = 0;
-  let mut x272: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x271, &mut x272, 0x0, x223, x255);
-  let mut x273: u32 = 0;
-  let mut x274: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x273, &mut x274, x272, x225, x257);
-  let mut x275: u32 = 0;
-  let mut x276: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x275, &mut x276, x274, x227, x259);
-  let mut x277: u32 = 0;
-  let mut x278: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x277, &mut x278, x276, x229, x261);
-  let mut x279: u32 = 0;
-  let mut x280: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x279, &mut x280, x278, x231, x263);
-  let mut x281: u32 = 0;
-  let mut x282: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x281, &mut x282, x280, x233, x265);
-  let mut x283: u32 = 0;
-  let mut x284: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x283, &mut x284, x282, x235, x267);
-  let mut x285: u32 = 0;
-  let mut x286: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x285, &mut x286, x284, x237, x269);
-  let mut x287: u32 = 0;
-  let mut x288: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x287, &mut x288, x286, ((x238 as u32) + (x214 as u32)), ((x270 as u32) + x242));
-  let mut x289: u32 = 0;
-  let mut x290: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x289, &mut x290, x4, 0x7a2);
-  let mut x291: u32 = 0;
-  let mut x292: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x291, &mut x292, x4, 0xe90a1);
-  let mut x293: u32 = 0;
-  let mut x294: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x293, &mut x294, 0x0, x292, x289);
-  let mut x295: u32 = 0;
-  let mut x296: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x295, &mut x296, x294, x290, x4);
-  let mut x297: u32 = 0;
-  let mut x298: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x297, &mut x298, 0x0, x273, x291);
-  let mut x299: u32 = 0;
-  let mut x300: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x299, &mut x300, x298, x275, x293);
-  let mut x301: u32 = 0;
-  let mut x302: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x301, &mut x302, x300, x277, x295);
-  let mut x303: u32 = 0;
-  let mut x304: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x303, &mut x304, x302, x279, (x296 as u32));
-  let mut x305: u32 = 0;
-  let mut x306: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x305, &mut x306, x304, x281, (0x0 as u32));
-  let mut x307: u32 = 0;
-  let mut x308: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x307, &mut x308, x306, x283, (0x0 as u32));
-  let mut x309: u32 = 0;
-  let mut x310: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x309, &mut x310, x308, x285, (0x0 as u32));
-  let mut x311: u32 = 0;
-  let mut x312: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x311, &mut x312, x310, x287, (0x0 as u32));
-  let mut x313: u32 = 0;
-  let mut x314: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x313, &mut x314, x297, 0xd2253531);
-  let mut x315: u32 = 0;
-  let mut x316: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x315, &mut x316, x313, 0xffffffff);
-  let mut x317: u32 = 0;
-  let mut x318: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x317, &mut x318, x313, 0xffffffff);
-  let mut x319: u32 = 0;
-  let mut x320: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x319, &mut x320, x313, 0xffffffff);
-  let mut x321: u32 = 0;
-  let mut x322: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x321, &mut x322, x313, 0xffffffff);
-  let mut x323: u32 = 0;
-  let mut x324: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x323, &mut x324, x313, 0xffffffff);
-  let mut x325: u32 = 0;
-  let mut x326: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x325, &mut x326, x313, 0xffffffff);
-  let mut x327: u32 = 0;
-  let mut x328: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x327, &mut x328, x313, 0xfffffffe);
-  let mut x329: u32 = 0;
-  let mut x330: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x329, &mut x330, x313, 0xfffffc2f);
-  let mut x331: u32 = 0;
-  let mut x332: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x331, &mut x332, 0x0, x330, x327);
-  let mut x333: u32 = 0;
-  let mut x334: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x333, &mut x334, x332, x328, x325);
-  let mut x335: u32 = 0;
-  let mut x336: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x335, &mut x336, x334, x326, x323);
-  let mut x337: u32 = 0;
-  let mut x338: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x337, &mut x338, x336, x324, x321);
-  let mut x339: u32 = 0;
-  let mut x340: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x339, &mut x340, x338, x322, x319);
-  let mut x341: u32 = 0;
-  let mut x342: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x341, &mut x342, x340, x320, x317);
-  let mut x343: u32 = 0;
-  let mut x344: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x343, &mut x344, x342, x318, x315);
-  let mut x345: u32 = 0;
-  let mut x346: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x345, &mut x346, 0x0, x297, x329);
-  let mut x347: u32 = 0;
-  let mut x348: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x347, &mut x348, x346, x299, x331);
-  let mut x349: u32 = 0;
-  let mut x350: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x349, &mut x350, x348, x301, x333);
-  let mut x351: u32 = 0;
-  let mut x352: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x351, &mut x352, x350, x303, x335);
-  let mut x353: u32 = 0;
-  let mut x354: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x353, &mut x354, x352, x305, x337);
-  let mut x355: u32 = 0;
-  let mut x356: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x355, &mut x356, x354, x307, x339);
-  let mut x357: u32 = 0;
-  let mut x358: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x357, &mut x358, x356, x309, x341);
-  let mut x359: u32 = 0;
-  let mut x360: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x359, &mut x360, x358, x311, x343);
-  let mut x361: u32 = 0;
-  let mut x362: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x361, &mut x362, x360, ((x312 as u32) + (x288 as u32)), ((x344 as u32) + x316));
-  let mut x363: u32 = 0;
-  let mut x364: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x363, &mut x364, x5, 0x7a2);
-  let mut x365: u32 = 0;
-  let mut x366: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x365, &mut x366, x5, 0xe90a1);
-  let mut x367: u32 = 0;
-  let mut x368: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x367, &mut x368, 0x0, x366, x363);
-  let mut x369: u32 = 0;
-  let mut x370: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x369, &mut x370, x368, x364, x5);
-  let mut x371: u32 = 0;
-  let mut x372: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x371, &mut x372, 0x0, x347, x365);
-  let mut x373: u32 = 0;
-  let mut x374: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x373, &mut x374, x372, x349, x367);
-  let mut x375: u32 = 0;
-  let mut x376: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x375, &mut x376, x374, x351, x369);
-  let mut x377: u32 = 0;
-  let mut x378: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x377, &mut x378, x376, x353, (x370 as u32));
-  let mut x379: u32 = 0;
-  let mut x380: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x379, &mut x380, x378, x355, (0x0 as u32));
-  let mut x381: u32 = 0;
-  let mut x382: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x381, &mut x382, x380, x357, (0x0 as u32));
-  let mut x383: u32 = 0;
-  let mut x384: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x383, &mut x384, x382, x359, (0x0 as u32));
-  let mut x385: u32 = 0;
-  let mut x386: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x385, &mut x386, x384, x361, (0x0 as u32));
-  let mut x387: u32 = 0;
-  let mut x388: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x387, &mut x388, x371, 0xd2253531);
-  let mut x389: u32 = 0;
-  let mut x390: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x389, &mut x390, x387, 0xffffffff);
-  let mut x391: u32 = 0;
-  let mut x392: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x391, &mut x392, x387, 0xffffffff);
-  let mut x393: u32 = 0;
-  let mut x394: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x393, &mut x394, x387, 0xffffffff);
-  let mut x395: u32 = 0;
-  let mut x396: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x395, &mut x396, x387, 0xffffffff);
-  let mut x397: u32 = 0;
-  let mut x398: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x397, &mut x398, x387, 0xffffffff);
-  let mut x399: u32 = 0;
-  let mut x400: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x399, &mut x400, x387, 0xffffffff);
-  let mut x401: u32 = 0;
-  let mut x402: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x401, &mut x402, x387, 0xfffffffe);
-  let mut x403: u32 = 0;
-  let mut x404: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x403, &mut x404, x387, 0xfffffc2f);
-  let mut x405: u32 = 0;
-  let mut x406: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x405, &mut x406, 0x0, x404, x401);
-  let mut x407: u32 = 0;
-  let mut x408: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x407, &mut x408, x406, x402, x399);
-  let mut x409: u32 = 0;
-  let mut x410: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x409, &mut x410, x408, x400, x397);
-  let mut x411: u32 = 0;
-  let mut x412: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x411, &mut x412, x410, x398, x395);
-  let mut x413: u32 = 0;
-  let mut x414: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x413, &mut x414, x412, x396, x393);
-  let mut x415: u32 = 0;
-  let mut x416: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x415, &mut x416, x414, x394, x391);
-  let mut x417: u32 = 0;
-  let mut x418: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x417, &mut x418, x416, x392, x389);
-  let mut x419: u32 = 0;
-  let mut x420: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x419, &mut x420, 0x0, x371, x403);
-  let mut x421: u32 = 0;
-  let mut x422: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x421, &mut x422, x420, x373, x405);
-  let mut x423: u32 = 0;
-  let mut x424: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x423, &mut x424, x422, x375, x407);
-  let mut x425: u32 = 0;
-  let mut x426: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x425, &mut x426, x424, x377, x409);
-  let mut x427: u32 = 0;
-  let mut x428: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x427, &mut x428, x426, x379, x411);
-  let mut x429: u32 = 0;
-  let mut x430: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x429, &mut x430, x428, x381, x413);
-  let mut x431: u32 = 0;
-  let mut x432: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x431, &mut x432, x430, x383, x415);
-  let mut x433: u32 = 0;
-  let mut x434: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x433, &mut x434, x432, x385, x417);
-  let mut x435: u32 = 0;
-  let mut x436: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x435, &mut x436, x434, ((x386 as u32) + (x362 as u32)), ((x418 as u32) + x390));
-  let mut x437: u32 = 0;
-  let mut x438: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x437, &mut x438, x6, 0x7a2);
-  let mut x439: u32 = 0;
-  let mut x440: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x439, &mut x440, x6, 0xe90a1);
-  let mut x441: u32 = 0;
-  let mut x442: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x441, &mut x442, 0x0, x440, x437);
-  let mut x443: u32 = 0;
-  let mut x444: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x443, &mut x444, x442, x438, x6);
-  let mut x445: u32 = 0;
-  let mut x446: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x445, &mut x446, 0x0, x421, x439);
-  let mut x447: u32 = 0;
-  let mut x448: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x447, &mut x448, x446, x423, x441);
-  let mut x449: u32 = 0;
-  let mut x450: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x449, &mut x450, x448, x425, x443);
-  let mut x451: u32 = 0;
-  let mut x452: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x451, &mut x452, x450, x427, (x444 as u32));
-  let mut x453: u32 = 0;
-  let mut x454: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x453, &mut x454, x452, x429, (0x0 as u32));
-  let mut x455: u32 = 0;
-  let mut x456: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x455, &mut x456, x454, x431, (0x0 as u32));
-  let mut x457: u32 = 0;
-  let mut x458: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x457, &mut x458, x456, x433, (0x0 as u32));
-  let mut x459: u32 = 0;
-  let mut x460: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x459, &mut x460, x458, x435, (0x0 as u32));
-  let mut x461: u32 = 0;
-  let mut x462: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x461, &mut x462, x445, 0xd2253531);
-  let mut x463: u32 = 0;
-  let mut x464: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x463, &mut x464, x461, 0xffffffff);
-  let mut x465: u32 = 0;
-  let mut x466: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x465, &mut x466, x461, 0xffffffff);
-  let mut x467: u32 = 0;
-  let mut x468: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x467, &mut x468, x461, 0xffffffff);
-  let mut x469: u32 = 0;
-  let mut x470: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x469, &mut x470, x461, 0xffffffff);
-  let mut x471: u32 = 0;
-  let mut x472: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x471, &mut x472, x461, 0xffffffff);
-  let mut x473: u32 = 0;
-  let mut x474: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x473, &mut x474, x461, 0xffffffff);
-  let mut x475: u32 = 0;
-  let mut x476: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x475, &mut x476, x461, 0xfffffffe);
-  let mut x477: u32 = 0;
-  let mut x478: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x477, &mut x478, x461, 0xfffffc2f);
-  let mut x479: u32 = 0;
-  let mut x480: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x479, &mut x480, 0x0, x478, x475);
-  let mut x481: u32 = 0;
-  let mut x482: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x481, &mut x482, x480, x476, x473);
-  let mut x483: u32 = 0;
-  let mut x484: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x483, &mut x484, x482, x474, x471);
-  let mut x485: u32 = 0;
-  let mut x486: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x485, &mut x486, x484, x472, x469);
-  let mut x487: u32 = 0;
-  let mut x488: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x487, &mut x488, x486, x470, x467);
-  let mut x489: u32 = 0;
-  let mut x490: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x489, &mut x490, x488, x468, x465);
-  let mut x491: u32 = 0;
-  let mut x492: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x491, &mut x492, x490, x466, x463);
-  let mut x493: u32 = 0;
-  let mut x494: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x493, &mut x494, 0x0, x445, x477);
-  let mut x495: u32 = 0;
-  let mut x496: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x495, &mut x496, x494, x447, x479);
-  let mut x497: u32 = 0;
-  let mut x498: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x497, &mut x498, x496, x449, x481);
-  let mut x499: u32 = 0;
-  let mut x500: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x499, &mut x500, x498, x451, x483);
-  let mut x501: u32 = 0;
-  let mut x502: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x501, &mut x502, x500, x453, x485);
-  let mut x503: u32 = 0;
-  let mut x504: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x503, &mut x504, x502, x455, x487);
-  let mut x505: u32 = 0;
-  let mut x506: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x505, &mut x506, x504, x457, x489);
-  let mut x507: u32 = 0;
-  let mut x508: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x507, &mut x508, x506, x459, x491);
-  let mut x509: u32 = 0;
-  let mut x510: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x509, &mut x510, x508, ((x460 as u32) + (x436 as u32)), ((x492 as u32) + x464));
-  let mut x511: u32 = 0;
-  let mut x512: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x511, &mut x512, x7, 0x7a2);
-  let mut x513: u32 = 0;
-  let mut x514: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x513, &mut x514, x7, 0xe90a1);
-  let mut x515: u32 = 0;
-  let mut x516: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x515, &mut x516, 0x0, x514, x511);
-  let mut x517: u32 = 0;
-  let mut x518: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x517, &mut x518, x516, x512, x7);
-  let mut x519: u32 = 0;
-  let mut x520: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x519, &mut x520, 0x0, x495, x513);
-  let mut x521: u32 = 0;
-  let mut x522: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x521, &mut x522, x520, x497, x515);
-  let mut x523: u32 = 0;
-  let mut x524: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x523, &mut x524, x522, x499, x517);
-  let mut x525: u32 = 0;
-  let mut x526: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x525, &mut x526, x524, x501, (x518 as u32));
-  let mut x527: u32 = 0;
-  let mut x528: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x527, &mut x528, x526, x503, (0x0 as u32));
-  let mut x529: u32 = 0;
-  let mut x530: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x529, &mut x530, x528, x505, (0x0 as u32));
-  let mut x531: u32 = 0;
-  let mut x532: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x531, &mut x532, x530, x507, (0x0 as u32));
-  let mut x533: u32 = 0;
-  let mut x534: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x533, &mut x534, x532, x509, (0x0 as u32));
-  let mut x535: u32 = 0;
-  let mut x536: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x535, &mut x536, x519, 0xd2253531);
-  let mut x537: u32 = 0;
-  let mut x538: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x537, &mut x538, x535, 0xffffffff);
-  let mut x539: u32 = 0;
-  let mut x540: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x539, &mut x540, x535, 0xffffffff);
-  let mut x541: u32 = 0;
-  let mut x542: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x541, &mut x542, x535, 0xffffffff);
-  let mut x543: u32 = 0;
-  let mut x544: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x543, &mut x544, x535, 0xffffffff);
-  let mut x545: u32 = 0;
-  let mut x546: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x545, &mut x546, x535, 0xffffffff);
-  let mut x547: u32 = 0;
-  let mut x548: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x547, &mut x548, x535, 0xffffffff);
-  let mut x549: u32 = 0;
-  let mut x550: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x549, &mut x550, x535, 0xfffffffe);
-  let mut x551: u32 = 0;
-  let mut x552: u32 = 0;
-  fiat_secp256k1_mulx_u32(&mut x551, &mut x552, x535, 0xfffffc2f);
-  let mut x553: u32 = 0;
-  let mut x554: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x553, &mut x554, 0x0, x552, x549);
-  let mut x555: u32 = 0;
-  let mut x556: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x555, &mut x556, x554, x550, x547);
-  let mut x557: u32 = 0;
-  let mut x558: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x557, &mut x558, x556, x548, x545);
-  let mut x559: u32 = 0;
-  let mut x560: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x559, &mut x560, x558, x546, x543);
-  let mut x561: u32 = 0;
-  let mut x562: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x561, &mut x562, x560, x544, x541);
-  let mut x563: u32 = 0;
-  let mut x564: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x563, &mut x564, x562, x542, x539);
-  let mut x565: u32 = 0;
-  let mut x566: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x565, &mut x566, x564, x540, x537);
-  let mut x567: u32 = 0;
-  let mut x568: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x567, &mut x568, 0x0, x519, x551);
-  let mut x569: u32 = 0;
-  let mut x570: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x569, &mut x570, x568, x521, x553);
-  let mut x571: u32 = 0;
-  let mut x572: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x571, &mut x572, x570, x523, x555);
-  let mut x573: u32 = 0;
-  let mut x574: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x573, &mut x574, x572, x525, x557);
-  let mut x575: u32 = 0;
-  let mut x576: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x575, &mut x576, x574, x527, x559);
-  let mut x577: u32 = 0;
-  let mut x578: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x577, &mut x578, x576, x529, x561);
-  let mut x579: u32 = 0;
-  let mut x580: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x579, &mut x580, x578, x531, x563);
-  let mut x581: u32 = 0;
-  let mut x582: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x581, &mut x582, x580, x533, x565);
-  let mut x583: u32 = 0;
-  let mut x584: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x583, &mut x584, x582, ((x534 as u32) + (x510 as u32)), ((x566 as u32) + x538));
-  let mut x585: u32 = 0;
-  let mut x586: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x585, &mut x586, 0x0, x569, 0xfffffc2f);
-  let mut x587: u32 = 0;
-  let mut x588: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x587, &mut x588, x586, x571, 0xfffffffe);
-  let mut x589: u32 = 0;
-  let mut x590: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x589, &mut x590, x588, x573, 0xffffffff);
-  let mut x591: u32 = 0;
-  let mut x592: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x591, &mut x592, x590, x575, 0xffffffff);
-  let mut x593: u32 = 0;
-  let mut x594: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x593, &mut x594, x592, x577, 0xffffffff);
-  let mut x595: u32 = 0;
-  let mut x596: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x595, &mut x596, x594, x579, 0xffffffff);
-  let mut x597: u32 = 0;
-  let mut x598: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x597, &mut x598, x596, x581, 0xffffffff);
-  let mut x599: u32 = 0;
-  let mut x600: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x599, &mut x600, x598, x583, 0xffffffff);
-  let mut x601: u32 = 0;
-  let mut x602: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x601, &mut x602, x600, (x584 as u32), (0x0 as u32));
-  let mut x603: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x603, x602, x585, x569);
-  let mut x604: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x604, x602, x587, x571);
-  let mut x605: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x605, x602, x589, x573);
-  let mut x606: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x606, x602, x591, x575);
-  let mut x607: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x607, x602, x593, x577);
-  let mut x608: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x608, x602, x595, x579);
-  let mut x609: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x609, x602, x597, x581);
-  let mut x610: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x610, x602, x599, x583);
-  out1[0] = x603;
-  out1[1] = x604;
-  out1[2] = x605;
-  out1[3] = x606;
-  out1[4] = x607;
-  out1[5] = x608;
-  out1[6] = x609;
-  out1[7] = x610;
-}
-
-/// The function fiat_secp256k1_nonzero outputs a single non-zero word if the input is non-zero and zero otherwise.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   out1 = 0 ↔ eval (from_montgomery arg1) mod m = 0
-///
-/// Input Bounds:
-///   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffff]
-#[inline]
-pub fn fiat_secp256k1_nonzero(out1: &mut u32, arg1: &[u32; 8]) -> () {
-  let x1: u32 = ((arg1[0]) | ((arg1[1]) | ((arg1[2]) | ((arg1[3]) | ((arg1[4]) | ((arg1[5]) | ((arg1[6]) | (arg1[7]))))))));
-  *out1 = x1;
-}
-
-/// The function fiat_secp256k1_selectznz is a multi-limb conditional select.
-///
-/// Postconditions:
-///   out1 = (if arg1 = 0 then arg2 else arg3)
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-///   arg3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-#[inline]
-pub fn fiat_secp256k1_selectznz(out1: &mut [u32; 8], arg1: fiat_secp256k1_u1, arg2: &[u32; 8], arg3: &[u32; 8]) -> () {
-  let mut x1: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x1, arg1, (arg2[0]), (arg3[0]));
-  let mut x2: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x2, arg1, (arg2[1]), (arg3[1]));
-  let mut x3: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x3, arg1, (arg2[2]), (arg3[2]));
-  let mut x4: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x4, arg1, (arg2[3]), (arg3[3]));
-  let mut x5: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x5, arg1, (arg2[4]), (arg3[4]));
-  let mut x6: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x6, arg1, (arg2[5]), (arg3[5]));
-  let mut x7: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x7, arg1, (arg2[6]), (arg3[6]));
-  let mut x8: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x8, arg1, (arg2[7]), (arg3[7]));
-  out1[0] = x1;
-  out1[1] = x2;
-  out1[2] = x3;
-  out1[3] = x4;
-  out1[4] = x5;
-  out1[5] = x6;
-  out1[6] = x7;
-  out1[7] = x8;
-}
-
-/// The function fiat_secp256k1_to_bytes serializes a field element NOT in the Montgomery domain to bytes in little-endian order.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   out1 = map (λ x, ⌊((eval arg1 mod m) mod 2^(8 * (x + 1))) / 2^(8 * x)⌋) [0..31]
-///
-/// Input Bounds:
-///   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
-#[inline]
-pub fn fiat_secp256k1_to_bytes(out1: &mut [u8; 32], arg1: &[u32; 8]) -> () {
-  let x1: u32 = (arg1[7]);
-  let x2: u32 = (arg1[6]);
-  let x3: u32 = (arg1[5]);
-  let x4: u32 = (arg1[4]);
-  let x5: u32 = (arg1[3]);
-  let x6: u32 = (arg1[2]);
-  let x7: u32 = (arg1[1]);
-  let x8: u32 = (arg1[0]);
-  let x9: u8 = ((x8 & (0xff as u32)) as u8);
-  let x10: u32 = (x8 >> 8);
-  let x11: u8 = ((x10 & (0xff as u32)) as u8);
-  let x12: u32 = (x10 >> 8);
-  let x13: u8 = ((x12 & (0xff as u32)) as u8);
-  let x14: u8 = ((x12 >> 8) as u8);
-  let x15: u8 = ((x7 & (0xff as u32)) as u8);
-  let x16: u32 = (x7 >> 8);
-  let x17: u8 = ((x16 & (0xff as u32)) as u8);
-  let x18: u32 = (x16 >> 8);
-  let x19: u8 = ((x18 & (0xff as u32)) as u8);
-  let x20: u8 = ((x18 >> 8) as u8);
-  let x21: u8 = ((x6 & (0xff as u32)) as u8);
-  let x22: u32 = (x6 >> 8);
-  let x23: u8 = ((x22 & (0xff as u32)) as u8);
-  let x24: u32 = (x22 >> 8);
-  let x25: u8 = ((x24 & (0xff as u32)) as u8);
-  let x26: u8 = ((x24 >> 8) as u8);
-  let x27: u8 = ((x5 & (0xff as u32)) as u8);
-  let x28: u32 = (x5 >> 8);
-  let x29: u8 = ((x28 & (0xff as u32)) as u8);
-  let x30: u32 = (x28 >> 8);
-  let x31: u8 = ((x30 & (0xff as u32)) as u8);
-  let x32: u8 = ((x30 >> 8) as u8);
-  let x33: u8 = ((x4 & (0xff as u32)) as u8);
-  let x34: u32 = (x4 >> 8);
-  let x35: u8 = ((x34 & (0xff as u32)) as u8);
-  let x36: u32 = (x34 >> 8);
-  let x37: u8 = ((x36 & (0xff as u32)) as u8);
-  let x38: u8 = ((x36 >> 8) as u8);
-  let x39: u8 = ((x3 & (0xff as u32)) as u8);
-  let x40: u32 = (x3 >> 8);
-  let x41: u8 = ((x40 & (0xff as u32)) as u8);
-  let x42: u32 = (x40 >> 8);
-  let x43: u8 = ((x42 & (0xff as u32)) as u8);
-  let x44: u8 = ((x42 >> 8) as u8);
-  let x45: u8 = ((x2 & (0xff as u32)) as u8);
-  let x46: u32 = (x2 >> 8);
-  let x47: u8 = ((x46 & (0xff as u32)) as u8);
-  let x48: u32 = (x46 >> 8);
-  let x49: u8 = ((x48 & (0xff as u32)) as u8);
-  let x50: u8 = ((x48 >> 8) as u8);
-  let x51: u8 = ((x1 & (0xff as u32)) as u8);
-  let x52: u32 = (x1 >> 8);
-  let x53: u8 = ((x52 & (0xff as u32)) as u8);
-  let x54: u32 = (x52 >> 8);
-  let x55: u8 = ((x54 & (0xff as u32)) as u8);
-  let x56: u8 = ((x54 >> 8) as u8);
-  out1[0] = x9;
-  out1[1] = x11;
-  out1[2] = x13;
-  out1[3] = x14;
-  out1[4] = x15;
-  out1[5] = x17;
-  out1[6] = x19;
-  out1[7] = x20;
-  out1[8] = x21;
-  out1[9] = x23;
-  out1[10] = x25;
-  out1[11] = x26;
-  out1[12] = x27;
-  out1[13] = x29;
-  out1[14] = x31;
-  out1[15] = x32;
-  out1[16] = x33;
-  out1[17] = x35;
-  out1[18] = x37;
-  out1[19] = x38;
-  out1[20] = x39;
-  out1[21] = x41;
-  out1[22] = x43;
-  out1[23] = x44;
-  out1[24] = x45;
-  out1[25] = x47;
-  out1[26] = x49;
-  out1[27] = x50;
-  out1[28] = x51;
-  out1[29] = x53;
-  out1[30] = x55;
-  out1[31] = x56;
-}
-
-/// The function fiat_secp256k1_from_bytes deserializes a field element NOT in the Montgomery domain from bytes in little-endian order.
-///
-/// Preconditions:
-///   0 ≤ bytes_eval arg1 < m
-/// Postconditions:
-///   eval out1 mod m = bytes_eval arg1 mod m
-///   0 ≤ eval out1 < m
-///
-/// Input Bounds:
-///   arg1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-#[inline]
-pub fn fiat_secp256k1_from_bytes(out1: &mut [u32; 8], arg1: &[u8; 32]) -> () {
-  let x1: u32 = (((arg1[31]) as u32) << 24);
-  let x2: u32 = (((arg1[30]) as u32) << 16);
-  let x3: u32 = (((arg1[29]) as u32) << 8);
-  let x4: u8 = (arg1[28]);
-  let x5: u32 = (((arg1[27]) as u32) << 24);
-  let x6: u32 = (((arg1[26]) as u32) << 16);
-  let x7: u32 = (((arg1[25]) as u32) << 8);
-  let x8: u8 = (arg1[24]);
-  let x9: u32 = (((arg1[23]) as u32) << 24);
-  let x10: u32 = (((arg1[22]) as u32) << 16);
-  let x11: u32 = (((arg1[21]) as u32) << 8);
-  let x12: u8 = (arg1[20]);
-  let x13: u32 = (((arg1[19]) as u32) << 24);
-  let x14: u32 = (((arg1[18]) as u32) << 16);
-  let x15: u32 = (((arg1[17]) as u32) << 8);
-  let x16: u8 = (arg1[16]);
-  let x17: u32 = (((arg1[15]) as u32) << 24);
-  let x18: u32 = (((arg1[14]) as u32) << 16);
-  let x19: u32 = (((arg1[13]) as u32) << 8);
-  let x20: u8 = (arg1[12]);
-  let x21: u32 = (((arg1[11]) as u32) << 24);
-  let x22: u32 = (((arg1[10]) as u32) << 16);
-  let x23: u32 = (((arg1[9]) as u32) << 8);
-  let x24: u8 = (arg1[8]);
-  let x25: u32 = (((arg1[7]) as u32) << 24);
-  let x26: u32 = (((arg1[6]) as u32) << 16);
-  let x27: u32 = (((arg1[5]) as u32) << 8);
-  let x28: u8 = (arg1[4]);
-  let x29: u32 = (((arg1[3]) as u32) << 24);
-  let x30: u32 = (((arg1[2]) as u32) << 16);
-  let x31: u32 = (((arg1[1]) as u32) << 8);
-  let x32: u8 = (arg1[0]);
-  let x33: u32 = (x31 + (x32 as u32));
-  let x34: u32 = (x30 + x33);
-  let x35: u32 = (x29 + x34);
-  let x36: u32 = (x27 + (x28 as u32));
-  let x37: u32 = (x26 + x36);
-  let x38: u32 = (x25 + x37);
-  let x39: u32 = (x23 + (x24 as u32));
-  let x40: u32 = (x22 + x39);
-  let x41: u32 = (x21 + x40);
-  let x42: u32 = (x19 + (x20 as u32));
-  let x43: u32 = (x18 + x42);
-  let x44: u32 = (x17 + x43);
-  let x45: u32 = (x15 + (x16 as u32));
-  let x46: u32 = (x14 + x45);
-  let x47: u32 = (x13 + x46);
-  let x48: u32 = (x11 + (x12 as u32));
-  let x49: u32 = (x10 + x48);
-  let x50: u32 = (x9 + x49);
-  let x51: u32 = (x7 + (x8 as u32));
-  let x52: u32 = (x6 + x51);
-  let x53: u32 = (x5 + x52);
-  let x54: u32 = (x3 + (x4 as u32));
-  let x55: u32 = (x2 + x54);
-  let x56: u32 = (x1 + x55);
-  out1[0] = x35;
-  out1[1] = x38;
-  out1[2] = x41;
-  out1[3] = x44;
-  out1[4] = x47;
-  out1[5] = x50;
-  out1[6] = x53;
-  out1[7] = x56;
-}
-
-/// The function fiat_secp256k1_set_one returns the field element one in the Montgomery domain.
-///
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = 1 mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_set_one(out1: &mut fiat_secp256k1_montgomery_domain_field_element) -> () {
-  out1[0] = 0x3d1;
-  out1[1] = (0x1 as u32);
-  out1[2] = (0x0 as u32);
-  out1[3] = (0x0 as u32);
-  out1[4] = (0x0 as u32);
-  out1[5] = (0x0 as u32);
-  out1[6] = (0x0 as u32);
-  out1[7] = (0x0 as u32);
-}
-
-/// The function fiat_secp256k1_msat returns the saturated representation of the prime modulus.
-///
-/// Postconditions:
-///   twos_complement_eval out1 = m
-///   0 ≤ eval out1 < m
-///
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-#[inline]
-pub fn fiat_secp256k1_msat(out1: &mut [u32; 9]) -> () {
-  out1[0] = 0xfffffc2f;
-  out1[1] = 0xfffffffe;
-  out1[2] = 0xffffffff;
-  out1[3] = 0xffffffff;
-  out1[4] = 0xffffffff;
-  out1[5] = 0xffffffff;
-  out1[6] = 0xffffffff;
-  out1[7] = 0xffffffff;
-  out1[8] = (0x0 as u32);
-}
-
-/// The function fiat_secp256k1_divstep computes a divstep.
-///
-/// Preconditions:
-///   0 ≤ eval arg4 < m
-///   0 ≤ eval arg5 < m
-/// Postconditions:
-///   out1 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then 1 - arg1 else 1 + arg1)
-///   twos_complement_eval out2 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then twos_complement_eval arg3 else twos_complement_eval arg2)
-///   twos_complement_eval out3 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then ⌊(twos_complement_eval arg3 - twos_complement_eval arg2) / 2⌋ else ⌊(twos_complement_eval arg3 + (twos_complement_eval arg3 mod 2) * twos_complement_eval arg2) / 2⌋)
-///   eval (from_montgomery out4) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (2 * eval (from_montgomery arg5)) mod m else (2 * eval (from_montgomery arg4)) mod m)
-///   eval (from_montgomery out5) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (eval (from_montgomery arg4) - eval (from_montgomery arg4)) mod m else (eval (from_montgomery arg5) + (twos_complement_eval arg3 mod 2) * eval (from_montgomery arg4)) mod m)
-///   0 ≤ eval out5 < m
-///   0 ≤ eval out5 < m
-///   0 ≤ eval out2 < m
-///   0 ≤ eval out3 < m
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0xffffffff]
-///   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-///   arg3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-///   arg4: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-///   arg5: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffff]
-///   out2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-///   out3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-///   out4: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-///   out5: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-#[inline]
-pub fn fiat_secp256k1_divstep(out1: &mut u32, out2: &mut [u32; 9], out3: &mut [u32; 9], out4: &mut [u32; 8], out5: &mut [u32; 8], arg1: u32, arg2: &[u32; 9], arg3: &[u32; 9], arg4: &[u32; 8], arg5: &[u32; 8]) -> () {
-  let mut x1: u32 = 0;
-  let mut x2: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x1, &mut x2, 0x0, (!arg1), (0x1 as u32));
-  let x3: fiat_secp256k1_u1 = (((x1 >> 31) as fiat_secp256k1_u1) & (((arg3[0]) & (0x1 as u32)) as fiat_secp256k1_u1));
-  let mut x4: u32 = 0;
-  let mut x5: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x4, &mut x5, 0x0, (!arg1), (0x1 as u32));
-  let mut x6: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x6, x3, arg1, x4);
-  let mut x7: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x7, x3, (arg2[0]), (arg3[0]));
-  let mut x8: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x8, x3, (arg2[1]), (arg3[1]));
-  let mut x9: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x9, x3, (arg2[2]), (arg3[2]));
-  let mut x10: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x10, x3, (arg2[3]), (arg3[3]));
-  let mut x11: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x11, x3, (arg2[4]), (arg3[4]));
-  let mut x12: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x12, x3, (arg2[5]), (arg3[5]));
-  let mut x13: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x13, x3, (arg2[6]), (arg3[6]));
-  let mut x14: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x14, x3, (arg2[7]), (arg3[7]));
-  let mut x15: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x15, x3, (arg2[8]), (arg3[8]));
-  let mut x16: u32 = 0;
-  let mut x17: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x16, &mut x17, 0x0, (0x1 as u32), (!(arg2[0])));
-  let mut x18: u32 = 0;
-  let mut x19: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x18, &mut x19, x17, (0x0 as u32), (!(arg2[1])));
-  let mut x20: u32 = 0;
-  let mut x21: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x20, &mut x21, x19, (0x0 as u32), (!(arg2[2])));
-  let mut x22: u32 = 0;
-  let mut x23: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x22, &mut x23, x21, (0x0 as u32), (!(arg2[3])));
-  let mut x24: u32 = 0;
-  let mut x25: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x24, &mut x25, x23, (0x0 as u32), (!(arg2[4])));
-  let mut x26: u32 = 0;
-  let mut x27: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x26, &mut x27, x25, (0x0 as u32), (!(arg2[5])));
-  let mut x28: u32 = 0;
-  let mut x29: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x28, &mut x29, x27, (0x0 as u32), (!(arg2[6])));
-  let mut x30: u32 = 0;
-  let mut x31: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x30, &mut x31, x29, (0x0 as u32), (!(arg2[7])));
-  let mut x32: u32 = 0;
-  let mut x33: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x32, &mut x33, x31, (0x0 as u32), (!(arg2[8])));
-  let mut x34: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x34, x3, (arg3[0]), x16);
-  let mut x35: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x35, x3, (arg3[1]), x18);
-  let mut x36: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x36, x3, (arg3[2]), x20);
-  let mut x37: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x37, x3, (arg3[3]), x22);
-  let mut x38: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x38, x3, (arg3[4]), x24);
-  let mut x39: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x39, x3, (arg3[5]), x26);
-  let mut x40: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x40, x3, (arg3[6]), x28);
-  let mut x41: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x41, x3, (arg3[7]), x30);
-  let mut x42: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x42, x3, (arg3[8]), x32);
-  let mut x43: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x43, x3, (arg4[0]), (arg5[0]));
-  let mut x44: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x44, x3, (arg4[1]), (arg5[1]));
-  let mut x45: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x45, x3, (arg4[2]), (arg5[2]));
-  let mut x46: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x46, x3, (arg4[3]), (arg5[3]));
-  let mut x47: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x47, x3, (arg4[4]), (arg5[4]));
-  let mut x48: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x48, x3, (arg4[5]), (arg5[5]));
-  let mut x49: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x49, x3, (arg4[6]), (arg5[6]));
-  let mut x50: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x50, x3, (arg4[7]), (arg5[7]));
-  let mut x51: u32 = 0;
-  let mut x52: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x51, &mut x52, 0x0, x43, x43);
-  let mut x53: u32 = 0;
-  let mut x54: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x53, &mut x54, x52, x44, x44);
-  let mut x55: u32 = 0;
-  let mut x56: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x55, &mut x56, x54, x45, x45);
-  let mut x57: u32 = 0;
-  let mut x58: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x57, &mut x58, x56, x46, x46);
-  let mut x59: u32 = 0;
-  let mut x60: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x59, &mut x60, x58, x47, x47);
-  let mut x61: u32 = 0;
-  let mut x62: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x61, &mut x62, x60, x48, x48);
-  let mut x63: u32 = 0;
-  let mut x64: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x63, &mut x64, x62, x49, x49);
-  let mut x65: u32 = 0;
-  let mut x66: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x65, &mut x66, x64, x50, x50);
-  let mut x67: u32 = 0;
-  let mut x68: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x67, &mut x68, 0x0, x51, 0xfffffc2f);
-  let mut x69: u32 = 0;
-  let mut x70: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x69, &mut x70, x68, x53, 0xfffffffe);
-  let mut x71: u32 = 0;
-  let mut x72: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x71, &mut x72, x70, x55, 0xffffffff);
-  let mut x73: u32 = 0;
-  let mut x74: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x73, &mut x74, x72, x57, 0xffffffff);
-  let mut x75: u32 = 0;
-  let mut x76: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x75, &mut x76, x74, x59, 0xffffffff);
-  let mut x77: u32 = 0;
-  let mut x78: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x77, &mut x78, x76, x61, 0xffffffff);
-  let mut x79: u32 = 0;
-  let mut x80: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x79, &mut x80, x78, x63, 0xffffffff);
-  let mut x81: u32 = 0;
-  let mut x82: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x81, &mut x82, x80, x65, 0xffffffff);
-  let mut x83: u32 = 0;
-  let mut x84: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x83, &mut x84, x82, (x66 as u32), (0x0 as u32));
-  let x85: u32 = (arg4[7]);
-  let x86: u32 = (arg4[6]);
-  let x87: u32 = (arg4[5]);
-  let x88: u32 = (arg4[4]);
-  let x89: u32 = (arg4[3]);
-  let x90: u32 = (arg4[2]);
-  let x91: u32 = (arg4[1]);
-  let x92: u32 = (arg4[0]);
-  let mut x93: u32 = 0;
-  let mut x94: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x93, &mut x94, 0x0, (0x0 as u32), x92);
-  let mut x95: u32 = 0;
-  let mut x96: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x95, &mut x96, x94, (0x0 as u32), x91);
-  let mut x97: u32 = 0;
-  let mut x98: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x97, &mut x98, x96, (0x0 as u32), x90);
-  let mut x99: u32 = 0;
-  let mut x100: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x99, &mut x100, x98, (0x0 as u32), x89);
-  let mut x101: u32 = 0;
-  let mut x102: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x101, &mut x102, x100, (0x0 as u32), x88);
-  let mut x103: u32 = 0;
-  let mut x104: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x103, &mut x104, x102, (0x0 as u32), x87);
-  let mut x105: u32 = 0;
-  let mut x106: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x105, &mut x106, x104, (0x0 as u32), x86);
-  let mut x107: u32 = 0;
-  let mut x108: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x107, &mut x108, x106, (0x0 as u32), x85);
-  let mut x109: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x109, x108, (0x0 as u32), 0xffffffff);
-  let mut x110: u32 = 0;
-  let mut x111: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x110, &mut x111, 0x0, x93, (x109 & 0xfffffc2f));
-  let mut x112: u32 = 0;
-  let mut x113: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x112, &mut x113, x111, x95, (x109 & 0xfffffffe));
-  let mut x114: u32 = 0;
-  let mut x115: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x114, &mut x115, x113, x97, x109);
-  let mut x116: u32 = 0;
-  let mut x117: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x116, &mut x117, x115, x99, x109);
-  let mut x118: u32 = 0;
-  let mut x119: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x118, &mut x119, x117, x101, x109);
-  let mut x120: u32 = 0;
-  let mut x121: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x120, &mut x121, x119, x103, x109);
-  let mut x122: u32 = 0;
-  let mut x123: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x122, &mut x123, x121, x105, x109);
-  let mut x124: u32 = 0;
-  let mut x125: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x124, &mut x125, x123, x107, x109);
-  let mut x126: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x126, x3, (arg5[0]), x110);
-  let mut x127: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x127, x3, (arg5[1]), x112);
-  let mut x128: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x128, x3, (arg5[2]), x114);
-  let mut x129: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x129, x3, (arg5[3]), x116);
-  let mut x130: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x130, x3, (arg5[4]), x118);
-  let mut x131: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x131, x3, (arg5[5]), x120);
-  let mut x132: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x132, x3, (arg5[6]), x122);
-  let mut x133: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x133, x3, (arg5[7]), x124);
-  let x134: fiat_secp256k1_u1 = ((x34 & (0x1 as u32)) as fiat_secp256k1_u1);
-  let mut x135: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x135, x134, (0x0 as u32), x7);
-  let mut x136: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x136, x134, (0x0 as u32), x8);
-  let mut x137: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x137, x134, (0x0 as u32), x9);
-  let mut x138: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x138, x134, (0x0 as u32), x10);
-  let mut x139: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x139, x134, (0x0 as u32), x11);
-  let mut x140: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x140, x134, (0x0 as u32), x12);
-  let mut x141: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x141, x134, (0x0 as u32), x13);
-  let mut x142: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x142, x134, (0x0 as u32), x14);
-  let mut x143: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x143, x134, (0x0 as u32), x15);
-  let mut x144: u32 = 0;
-  let mut x145: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x144, &mut x145, 0x0, x34, x135);
-  let mut x146: u32 = 0;
-  let mut x147: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x146, &mut x147, x145, x35, x136);
-  let mut x148: u32 = 0;
-  let mut x149: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x148, &mut x149, x147, x36, x137);
-  let mut x150: u32 = 0;
-  let mut x151: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x150, &mut x151, x149, x37, x138);
-  let mut x152: u32 = 0;
-  let mut x153: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x152, &mut x153, x151, x38, x139);
-  let mut x154: u32 = 0;
-  let mut x155: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x154, &mut x155, x153, x39, x140);
-  let mut x156: u32 = 0;
-  let mut x157: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x156, &mut x157, x155, x40, x141);
-  let mut x158: u32 = 0;
-  let mut x159: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x158, &mut x159, x157, x41, x142);
-  let mut x160: u32 = 0;
-  let mut x161: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x160, &mut x161, x159, x42, x143);
-  let mut x162: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x162, x134, (0x0 as u32), x43);
-  let mut x163: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x163, x134, (0x0 as u32), x44);
-  let mut x164: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x164, x134, (0x0 as u32), x45);
-  let mut x165: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x165, x134, (0x0 as u32), x46);
-  let mut x166: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x166, x134, (0x0 as u32), x47);
-  let mut x167: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x167, x134, (0x0 as u32), x48);
-  let mut x168: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x168, x134, (0x0 as u32), x49);
-  let mut x169: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x169, x134, (0x0 as u32), x50);
-  let mut x170: u32 = 0;
-  let mut x171: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x170, &mut x171, 0x0, x126, x162);
-  let mut x172: u32 = 0;
-  let mut x173: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x172, &mut x173, x171, x127, x163);
-  let mut x174: u32 = 0;
-  let mut x175: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x174, &mut x175, x173, x128, x164);
-  let mut x176: u32 = 0;
-  let mut x177: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x176, &mut x177, x175, x129, x165);
-  let mut x178: u32 = 0;
-  let mut x179: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x178, &mut x179, x177, x130, x166);
-  let mut x180: u32 = 0;
-  let mut x181: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x180, &mut x181, x179, x131, x167);
-  let mut x182: u32 = 0;
-  let mut x183: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x182, &mut x183, x181, x132, x168);
-  let mut x184: u32 = 0;
-  let mut x185: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x184, &mut x185, x183, x133, x169);
-  let mut x186: u32 = 0;
-  let mut x187: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x186, &mut x187, 0x0, x170, 0xfffffc2f);
-  let mut x188: u32 = 0;
-  let mut x189: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x188, &mut x189, x187, x172, 0xfffffffe);
-  let mut x190: u32 = 0;
-  let mut x191: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x190, &mut x191, x189, x174, 0xffffffff);
-  let mut x192: u32 = 0;
-  let mut x193: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x192, &mut x193, x191, x176, 0xffffffff);
-  let mut x194: u32 = 0;
-  let mut x195: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x194, &mut x195, x193, x178, 0xffffffff);
-  let mut x196: u32 = 0;
-  let mut x197: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x196, &mut x197, x195, x180, 0xffffffff);
-  let mut x198: u32 = 0;
-  let mut x199: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x198, &mut x199, x197, x182, 0xffffffff);
-  let mut x200: u32 = 0;
-  let mut x201: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x200, &mut x201, x199, x184, 0xffffffff);
-  let mut x202: u32 = 0;
-  let mut x203: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u32(&mut x202, &mut x203, x201, (x185 as u32), (0x0 as u32));
-  let mut x204: u32 = 0;
-  let mut x205: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u32(&mut x204, &mut x205, 0x0, x6, (0x1 as u32));
-  let x206: u32 = ((x144 >> 1) | ((x146 << 31) & 0xffffffff));
-  let x207: u32 = ((x146 >> 1) | ((x148 << 31) & 0xffffffff));
-  let x208: u32 = ((x148 >> 1) | ((x150 << 31) & 0xffffffff));
-  let x209: u32 = ((x150 >> 1) | ((x152 << 31) & 0xffffffff));
-  let x210: u32 = ((x152 >> 1) | ((x154 << 31) & 0xffffffff));
-  let x211: u32 = ((x154 >> 1) | ((x156 << 31) & 0xffffffff));
-  let x212: u32 = ((x156 >> 1) | ((x158 << 31) & 0xffffffff));
-  let x213: u32 = ((x158 >> 1) | ((x160 << 31) & 0xffffffff));
-  let x214: u32 = ((x160 & 0x80000000) | (x160 >> 1));
-  let mut x215: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x215, x84, x67, x51);
-  let mut x216: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x216, x84, x69, x53);
-  let mut x217: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x217, x84, x71, x55);
-  let mut x218: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x218, x84, x73, x57);
-  let mut x219: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x219, x84, x75, x59);
-  let mut x220: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x220, x84, x77, x61);
-  let mut x221: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x221, x84, x79, x63);
-  let mut x222: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x222, x84, x81, x65);
-  let mut x223: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x223, x203, x186, x170);
-  let mut x224: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x224, x203, x188, x172);
-  let mut x225: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x225, x203, x190, x174);
-  let mut x226: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x226, x203, x192, x176);
-  let mut x227: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x227, x203, x194, x178);
-  let mut x228: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x228, x203, x196, x180);
-  let mut x229: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x229, x203, x198, x182);
-  let mut x230: u32 = 0;
-  fiat_secp256k1_cmovznz_u32(&mut x230, x203, x200, x184);
-  *out1 = x204;
-  out2[0] = x7;
-  out2[1] = x8;
-  out2[2] = x9;
-  out2[3] = x10;
-  out2[4] = x11;
-  out2[5] = x12;
-  out2[6] = x13;
-  out2[7] = x14;
-  out2[8] = x15;
-  out3[0] = x206;
-  out3[1] = x207;
-  out3[2] = x208;
-  out3[3] = x209;
-  out3[4] = x210;
-  out3[5] = x211;
-  out3[6] = x212;
-  out3[7] = x213;
-  out3[8] = x214;
-  out4[0] = x215;
-  out4[1] = x216;
-  out4[2] = x217;
-  out4[3] = x218;
-  out4[4] = x219;
-  out4[5] = x220;
-  out4[6] = x221;
-  out4[7] = x222;
-  out5[0] = x223;
-  out5[1] = x224;
-  out5[2] = x225;
-  out5[3] = x226;
-  out5[4] = x227;
-  out5[5] = x228;
-  out5[6] = x229;
-  out5[7] = x230;
-}
-
-/// The function fiat_secp256k1_divstep_precomp returns the precomputed value for Bernstein-Yang-inversion (in montgomery form).
-///
-/// Postconditions:
-///   eval (from_montgomery out1) = ⌊(m - 1) / 2⌋^(if ⌊log2 m⌋ + 1 < 46 then ⌊(49 * (⌊log2 m⌋ + 1) + 80) / 17⌋ else ⌊(49 * (⌊log2 m⌋ + 1) + 57) / 17⌋)
-///   0 ≤ eval out1 < m
-///
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-#[inline]
-pub fn fiat_secp256k1_divstep_precomp(out1: &mut [u32; 8]) -> () {
-  out1[0] = 0x31525e0a;
-  out1[1] = 0xf201a418;
-  out1[2] = 0xcd648d85;
-  out1[3] = 0x9953f9dd;
-  out1[4] = 0x3db210a9;
-  out1[5] = 0xe8602946;
-  out1[6] = 0x4b03709;
-  out1[7] = 0x24fb8a31;
-}
diff --git a/vendor/fiat-crypto/src/secp256k1_64.rs b/vendor/fiat-crypto/src/secp256k1_64.rs
deleted file mode 100644
index 46eb1160c..000000000
--- a/vendor/fiat-crypto/src/secp256k1_64.rs
+++ /dev/null
@@ -1,1957 +0,0 @@
-//! Autogenerated: 'src/ExtractionOCaml/word_by_word_montgomery' --lang Rust --inline secp256k1 64 '2^256 - 2^32 - 977' mul square add sub opp from_montgomery to_montgomery nonzero selectznz to_bytes from_bytes one msat divstep divstep_precomp
-//! curve description: secp256k1
-//! machine_wordsize = 64 (from "64")
-//! requested operations: mul, square, add, sub, opp, from_montgomery, to_montgomery, nonzero, selectznz, to_bytes, from_bytes, one, msat, divstep, divstep_precomp
-//! m = 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f (from "2^256 - 2^32 - 977")
-//!
-//! NOTE: In addition to the bounds specified above each function, all
-//!   functions synthesized for this Montgomery arithmetic require the
-//!   input to be strictly less than the prime modulus (m), and also
-//!   require the input to be in the unique saturated representation.
-//!   All functions also ensure that these two properties are true of
-//!   return values.
-//!
-//! Computed values:
-//!   eval z = z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192)
-//!   bytes_eval z = z[0] + (z[1] << 8) + (z[2] << 16) + (z[3] << 24) + (z[4] << 32) + (z[5] << 40) + (z[6] << 48) + (z[7] << 56) + (z[8] << 64) + (z[9] << 72) + (z[10] << 80) + (z[11] << 88) + (z[12] << 96) + (z[13] << 104) + (z[14] << 112) + (z[15] << 120) + (z[16] << 128) + (z[17] << 136) + (z[18] << 144) + (z[19] << 152) + (z[20] << 160) + (z[21] << 168) + (z[22] << 176) + (z[23] << 184) + (z[24] << 192) + (z[25] << 200) + (z[26] << 208) + (z[27] << 216) + (z[28] << 224) + (z[29] << 232) + (z[30] << 240) + (z[31] << 248)
-//!   twos_complement_eval z = let x1 := z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192) in
-//!                            if x1 & (2^256-1) < 2^255 then x1 & (2^256-1) else (x1 & (2^256-1)) - 2^256
-
-#![allow(unused_parens)]
-#![allow(non_camel_case_types)]
-
-pub type fiat_secp256k1_u1 = u8;
-pub type fiat_secp256k1_i1 = i8;
-pub type fiat_secp256k1_u2 = u8;
-pub type fiat_secp256k1_i2 = i8;
-
-/* The type fiat_secp256k1_montgomery_domain_field_element is a field element in the Montgomery domain. */
-/* Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]] */
-pub type fiat_secp256k1_montgomery_domain_field_element = [u64; 4];
-
-/* The type fiat_secp256k1_non_montgomery_domain_field_element is a field element NOT in the Montgomery domain. */
-/* Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]] */
-pub type fiat_secp256k1_non_montgomery_domain_field_element = [u64; 4];
-
-
-/// The function fiat_secp256k1_addcarryx_u64 is an addition with carry.
-///
-/// Postconditions:
-///   out1 = (arg1 + arg2 + arg3) mod 2^64
-///   out2 = ⌊(arg1 + arg2 + arg3) / 2^64⌋
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [0x0 ~> 0xffffffffffffffff]
-///   arg3: [0x0 ~> 0xffffffffffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffffffffffff]
-///   out2: [0x0 ~> 0x1]
-#[inline]
-pub fn fiat_secp256k1_addcarryx_u64(out1: &mut u64, out2: &mut fiat_secp256k1_u1, arg1: fiat_secp256k1_u1, arg2: u64, arg3: u64) -> () {
-  let x1: u128 = (((arg1 as u128) + (arg2 as u128)) + (arg3 as u128));
-  let x2: u64 = ((x1 & (0xffffffffffffffff as u128)) as u64);
-  let x3: fiat_secp256k1_u1 = ((x1 >> 64) as fiat_secp256k1_u1);
-  *out1 = x2;
-  *out2 = x3;
-}
-
-/// The function fiat_secp256k1_subborrowx_u64 is a subtraction with borrow.
-///
-/// Postconditions:
-///   out1 = (-arg1 + arg2 + -arg3) mod 2^64
-///   out2 = -⌊(-arg1 + arg2 + -arg3) / 2^64⌋
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [0x0 ~> 0xffffffffffffffff]
-///   arg3: [0x0 ~> 0xffffffffffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffffffffffff]
-///   out2: [0x0 ~> 0x1]
-#[inline]
-pub fn fiat_secp256k1_subborrowx_u64(out1: &mut u64, out2: &mut fiat_secp256k1_u1, arg1: fiat_secp256k1_u1, arg2: u64, arg3: u64) -> () {
-  let x1: i128 = (((arg2 as i128) - (arg1 as i128)) - (arg3 as i128));
-  let x2: fiat_secp256k1_i1 = ((x1 >> 64) as fiat_secp256k1_i1);
-  let x3: u64 = ((x1 & (0xffffffffffffffff as i128)) as u64);
-  *out1 = x3;
-  *out2 = (((0x0 as fiat_secp256k1_i2) - (x2 as fiat_secp256k1_i2)) as fiat_secp256k1_u1);
-}
-
-/// The function fiat_secp256k1_mulx_u64 is a multiplication, returning the full double-width result.
-///
-/// Postconditions:
-///   out1 = (arg1 * arg2) mod 2^64
-///   out2 = ⌊arg1 * arg2 / 2^64⌋
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0xffffffffffffffff]
-///   arg2: [0x0 ~> 0xffffffffffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffffffffffff]
-///   out2: [0x0 ~> 0xffffffffffffffff]
-#[inline]
-pub fn fiat_secp256k1_mulx_u64(out1: &mut u64, out2: &mut u64, arg1: u64, arg2: u64) -> () {
-  let x1: u128 = ((arg1 as u128) * (arg2 as u128));
-  let x2: u64 = ((x1 & (0xffffffffffffffff as u128)) as u64);
-  let x3: u64 = ((x1 >> 64) as u64);
-  *out1 = x2;
-  *out2 = x3;
-}
-
-/// The function fiat_secp256k1_cmovznz_u64 is a single-word conditional move.
-///
-/// Postconditions:
-///   out1 = (if arg1 = 0 then arg2 else arg3)
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [0x0 ~> 0xffffffffffffffff]
-///   arg3: [0x0 ~> 0xffffffffffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffffffffffff]
-#[inline]
-pub fn fiat_secp256k1_cmovznz_u64(out1: &mut u64, arg1: fiat_secp256k1_u1, arg2: u64, arg3: u64) -> () {
-  let x1: fiat_secp256k1_u1 = (!(!arg1));
-  let x2: u64 = ((((((0x0 as fiat_secp256k1_i2) - (x1 as fiat_secp256k1_i2)) as fiat_secp256k1_i1) as i128) & (0xffffffffffffffff as i128)) as u64);
-  let x3: u64 = ((x2 & arg3) | ((!x2) & arg2));
-  *out1 = x3;
-}
-
-/// The function fiat_secp256k1_mul multiplies two field elements in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-///   0 ≤ eval arg2 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_mul(out1: &mut fiat_secp256k1_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_domain_field_element) -> () {
-  let x1: u64 = (arg1[1]);
-  let x2: u64 = (arg1[2]);
-  let x3: u64 = (arg1[3]);
-  let x4: u64 = (arg1[0]);
-  let mut x5: u64 = 0;
-  let mut x6: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x5, &mut x6, x4, (arg2[3]));
-  let mut x7: u64 = 0;
-  let mut x8: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x7, &mut x8, x4, (arg2[2]));
-  let mut x9: u64 = 0;
-  let mut x10: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x9, &mut x10, x4, (arg2[1]));
-  let mut x11: u64 = 0;
-  let mut x12: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x11, &mut x12, x4, (arg2[0]));
-  let mut x13: u64 = 0;
-  let mut x14: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x13, &mut x14, 0x0, x12, x9);
-  let mut x15: u64 = 0;
-  let mut x16: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x15, &mut x16, x14, x10, x7);
-  let mut x17: u64 = 0;
-  let mut x18: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x17, &mut x18, x16, x8, x5);
-  let x19: u64 = ((x18 as u64) + x6);
-  let mut x20: u64 = 0;
-  let mut x21: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x20, &mut x21, x11, 0xd838091dd2253531);
-  let mut x22: u64 = 0;
-  let mut x23: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x22, &mut x23, x20, 0xffffffffffffffff);
-  let mut x24: u64 = 0;
-  let mut x25: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x24, &mut x25, x20, 0xffffffffffffffff);
-  let mut x26: u64 = 0;
-  let mut x27: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x26, &mut x27, x20, 0xffffffffffffffff);
-  let mut x28: u64 = 0;
-  let mut x29: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x28, &mut x29, x20, 0xfffffffefffffc2f);
-  let mut x30: u64 = 0;
-  let mut x31: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x30, &mut x31, 0x0, x29, x26);
-  let mut x32: u64 = 0;
-  let mut x33: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x32, &mut x33, x31, x27, x24);
-  let mut x34: u64 = 0;
-  let mut x35: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x34, &mut x35, x33, x25, x22);
-  let x36: u64 = ((x35 as u64) + x23);
-  let mut x37: u64 = 0;
-  let mut x38: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x37, &mut x38, 0x0, x11, x28);
-  let mut x39: u64 = 0;
-  let mut x40: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x39, &mut x40, x38, x13, x30);
-  let mut x41: u64 = 0;
-  let mut x42: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x41, &mut x42, x40, x15, x32);
-  let mut x43: u64 = 0;
-  let mut x44: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x43, &mut x44, x42, x17, x34);
-  let mut x45: u64 = 0;
-  let mut x46: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x45, &mut x46, x44, x19, x36);
-  let mut x47: u64 = 0;
-  let mut x48: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x47, &mut x48, x1, (arg2[3]));
-  let mut x49: u64 = 0;
-  let mut x50: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x49, &mut x50, x1, (arg2[2]));
-  let mut x51: u64 = 0;
-  let mut x52: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x51, &mut x52, x1, (arg2[1]));
-  let mut x53: u64 = 0;
-  let mut x54: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x53, &mut x54, x1, (arg2[0]));
-  let mut x55: u64 = 0;
-  let mut x56: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x55, &mut x56, 0x0, x54, x51);
-  let mut x57: u64 = 0;
-  let mut x58: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x57, &mut x58, x56, x52, x49);
-  let mut x59: u64 = 0;
-  let mut x60: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x59, &mut x60, x58, x50, x47);
-  let x61: u64 = ((x60 as u64) + x48);
-  let mut x62: u64 = 0;
-  let mut x63: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x62, &mut x63, 0x0, x39, x53);
-  let mut x64: u64 = 0;
-  let mut x65: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x64, &mut x65, x63, x41, x55);
-  let mut x66: u64 = 0;
-  let mut x67: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x66, &mut x67, x65, x43, x57);
-  let mut x68: u64 = 0;
-  let mut x69: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x68, &mut x69, x67, x45, x59);
-  let mut x70: u64 = 0;
-  let mut x71: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x70, &mut x71, x69, (x46 as u64), x61);
-  let mut x72: u64 = 0;
-  let mut x73: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x72, &mut x73, x62, 0xd838091dd2253531);
-  let mut x74: u64 = 0;
-  let mut x75: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x74, &mut x75, x72, 0xffffffffffffffff);
-  let mut x76: u64 = 0;
-  let mut x77: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x76, &mut x77, x72, 0xffffffffffffffff);
-  let mut x78: u64 = 0;
-  let mut x79: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x78, &mut x79, x72, 0xffffffffffffffff);
-  let mut x80: u64 = 0;
-  let mut x81: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x80, &mut x81, x72, 0xfffffffefffffc2f);
-  let mut x82: u64 = 0;
-  let mut x83: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x82, &mut x83, 0x0, x81, x78);
-  let mut x84: u64 = 0;
-  let mut x85: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x84, &mut x85, x83, x79, x76);
-  let mut x86: u64 = 0;
-  let mut x87: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x86, &mut x87, x85, x77, x74);
-  let x88: u64 = ((x87 as u64) + x75);
-  let mut x89: u64 = 0;
-  let mut x90: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x89, &mut x90, 0x0, x62, x80);
-  let mut x91: u64 = 0;
-  let mut x92: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x91, &mut x92, x90, x64, x82);
-  let mut x93: u64 = 0;
-  let mut x94: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x93, &mut x94, x92, x66, x84);
-  let mut x95: u64 = 0;
-  let mut x96: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x95, &mut x96, x94, x68, x86);
-  let mut x97: u64 = 0;
-  let mut x98: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x97, &mut x98, x96, x70, x88);
-  let x99: u64 = ((x98 as u64) + (x71 as u64));
-  let mut x100: u64 = 0;
-  let mut x101: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x100, &mut x101, x2, (arg2[3]));
-  let mut x102: u64 = 0;
-  let mut x103: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x102, &mut x103, x2, (arg2[2]));
-  let mut x104: u64 = 0;
-  let mut x105: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x104, &mut x105, x2, (arg2[1]));
-  let mut x106: u64 = 0;
-  let mut x107: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x106, &mut x107, x2, (arg2[0]));
-  let mut x108: u64 = 0;
-  let mut x109: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x108, &mut x109, 0x0, x107, x104);
-  let mut x110: u64 = 0;
-  let mut x111: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x110, &mut x111, x109, x105, x102);
-  let mut x112: u64 = 0;
-  let mut x113: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x112, &mut x113, x111, x103, x100);
-  let x114: u64 = ((x113 as u64) + x101);
-  let mut x115: u64 = 0;
-  let mut x116: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x115, &mut x116, 0x0, x91, x106);
-  let mut x117: u64 = 0;
-  let mut x118: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x117, &mut x118, x116, x93, x108);
-  let mut x119: u64 = 0;
-  let mut x120: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x119, &mut x120, x118, x95, x110);
-  let mut x121: u64 = 0;
-  let mut x122: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x121, &mut x122, x120, x97, x112);
-  let mut x123: u64 = 0;
-  let mut x124: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x123, &mut x124, x122, x99, x114);
-  let mut x125: u64 = 0;
-  let mut x126: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x125, &mut x126, x115, 0xd838091dd2253531);
-  let mut x127: u64 = 0;
-  let mut x128: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x127, &mut x128, x125, 0xffffffffffffffff);
-  let mut x129: u64 = 0;
-  let mut x130: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x129, &mut x130, x125, 0xffffffffffffffff);
-  let mut x131: u64 = 0;
-  let mut x132: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x131, &mut x132, x125, 0xffffffffffffffff);
-  let mut x133: u64 = 0;
-  let mut x134: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x133, &mut x134, x125, 0xfffffffefffffc2f);
-  let mut x135: u64 = 0;
-  let mut x136: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x135, &mut x136, 0x0, x134, x131);
-  let mut x137: u64 = 0;
-  let mut x138: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x137, &mut x138, x136, x132, x129);
-  let mut x139: u64 = 0;
-  let mut x140: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x139, &mut x140, x138, x130, x127);
-  let x141: u64 = ((x140 as u64) + x128);
-  let mut x142: u64 = 0;
-  let mut x143: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x142, &mut x143, 0x0, x115, x133);
-  let mut x144: u64 = 0;
-  let mut x145: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x144, &mut x145, x143, x117, x135);
-  let mut x146: u64 = 0;
-  let mut x147: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x146, &mut x147, x145, x119, x137);
-  let mut x148: u64 = 0;
-  let mut x149: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x148, &mut x149, x147, x121, x139);
-  let mut x150: u64 = 0;
-  let mut x151: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x150, &mut x151, x149, x123, x141);
-  let x152: u64 = ((x151 as u64) + (x124 as u64));
-  let mut x153: u64 = 0;
-  let mut x154: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x153, &mut x154, x3, (arg2[3]));
-  let mut x155: u64 = 0;
-  let mut x156: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x155, &mut x156, x3, (arg2[2]));
-  let mut x157: u64 = 0;
-  let mut x158: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x157, &mut x158, x3, (arg2[1]));
-  let mut x159: u64 = 0;
-  let mut x160: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x159, &mut x160, x3, (arg2[0]));
-  let mut x161: u64 = 0;
-  let mut x162: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x161, &mut x162, 0x0, x160, x157);
-  let mut x163: u64 = 0;
-  let mut x164: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x163, &mut x164, x162, x158, x155);
-  let mut x165: u64 = 0;
-  let mut x166: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x165, &mut x166, x164, x156, x153);
-  let x167: u64 = ((x166 as u64) + x154);
-  let mut x168: u64 = 0;
-  let mut x169: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x168, &mut x169, 0x0, x144, x159);
-  let mut x170: u64 = 0;
-  let mut x171: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x170, &mut x171, x169, x146, x161);
-  let mut x172: u64 = 0;
-  let mut x173: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x172, &mut x173, x171, x148, x163);
-  let mut x174: u64 = 0;
-  let mut x175: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x174, &mut x175, x173, x150, x165);
-  let mut x176: u64 = 0;
-  let mut x177: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x176, &mut x177, x175, x152, x167);
-  let mut x178: u64 = 0;
-  let mut x179: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x178, &mut x179, x168, 0xd838091dd2253531);
-  let mut x180: u64 = 0;
-  let mut x181: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x180, &mut x181, x178, 0xffffffffffffffff);
-  let mut x182: u64 = 0;
-  let mut x183: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x182, &mut x183, x178, 0xffffffffffffffff);
-  let mut x184: u64 = 0;
-  let mut x185: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x184, &mut x185, x178, 0xffffffffffffffff);
-  let mut x186: u64 = 0;
-  let mut x187: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x186, &mut x187, x178, 0xfffffffefffffc2f);
-  let mut x188: u64 = 0;
-  let mut x189: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x188, &mut x189, 0x0, x187, x184);
-  let mut x190: u64 = 0;
-  let mut x191: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x190, &mut x191, x189, x185, x182);
-  let mut x192: u64 = 0;
-  let mut x193: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x192, &mut x193, x191, x183, x180);
-  let x194: u64 = ((x193 as u64) + x181);
-  let mut x195: u64 = 0;
-  let mut x196: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x195, &mut x196, 0x0, x168, x186);
-  let mut x197: u64 = 0;
-  let mut x198: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x197, &mut x198, x196, x170, x188);
-  let mut x199: u64 = 0;
-  let mut x200: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x199, &mut x200, x198, x172, x190);
-  let mut x201: u64 = 0;
-  let mut x202: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x201, &mut x202, x200, x174, x192);
-  let mut x203: u64 = 0;
-  let mut x204: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x203, &mut x204, x202, x176, x194);
-  let x205: u64 = ((x204 as u64) + (x177 as u64));
-  let mut x206: u64 = 0;
-  let mut x207: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x206, &mut x207, 0x0, x197, 0xfffffffefffffc2f);
-  let mut x208: u64 = 0;
-  let mut x209: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x208, &mut x209, x207, x199, 0xffffffffffffffff);
-  let mut x210: u64 = 0;
-  let mut x211: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x210, &mut x211, x209, x201, 0xffffffffffffffff);
-  let mut x212: u64 = 0;
-  let mut x213: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x212, &mut x213, x211, x203, 0xffffffffffffffff);
-  let mut x214: u64 = 0;
-  let mut x215: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x214, &mut x215, x213, x205, (0x0 as u64));
-  let mut x216: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x216, x215, x206, x197);
-  let mut x217: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x217, x215, x208, x199);
-  let mut x218: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x218, x215, x210, x201);
-  let mut x219: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x219, x215, x212, x203);
-  out1[0] = x216;
-  out1[1] = x217;
-  out1[2] = x218;
-  out1[3] = x219;
-}
-
-/// The function fiat_secp256k1_square squares a field element in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg1)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_square(out1: &mut fiat_secp256k1_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_domain_field_element) -> () {
-  let x1: u64 = (arg1[1]);
-  let x2: u64 = (arg1[2]);
-  let x3: u64 = (arg1[3]);
-  let x4: u64 = (arg1[0]);
-  let mut x5: u64 = 0;
-  let mut x6: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x5, &mut x6, x4, (arg1[3]));
-  let mut x7: u64 = 0;
-  let mut x8: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x7, &mut x8, x4, (arg1[2]));
-  let mut x9: u64 = 0;
-  let mut x10: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x9, &mut x10, x4, (arg1[1]));
-  let mut x11: u64 = 0;
-  let mut x12: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x11, &mut x12, x4, (arg1[0]));
-  let mut x13: u64 = 0;
-  let mut x14: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x13, &mut x14, 0x0, x12, x9);
-  let mut x15: u64 = 0;
-  let mut x16: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x15, &mut x16, x14, x10, x7);
-  let mut x17: u64 = 0;
-  let mut x18: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x17, &mut x18, x16, x8, x5);
-  let x19: u64 = ((x18 as u64) + x6);
-  let mut x20: u64 = 0;
-  let mut x21: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x20, &mut x21, x11, 0xd838091dd2253531);
-  let mut x22: u64 = 0;
-  let mut x23: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x22, &mut x23, x20, 0xffffffffffffffff);
-  let mut x24: u64 = 0;
-  let mut x25: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x24, &mut x25, x20, 0xffffffffffffffff);
-  let mut x26: u64 = 0;
-  let mut x27: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x26, &mut x27, x20, 0xffffffffffffffff);
-  let mut x28: u64 = 0;
-  let mut x29: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x28, &mut x29, x20, 0xfffffffefffffc2f);
-  let mut x30: u64 = 0;
-  let mut x31: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x30, &mut x31, 0x0, x29, x26);
-  let mut x32: u64 = 0;
-  let mut x33: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x32, &mut x33, x31, x27, x24);
-  let mut x34: u64 = 0;
-  let mut x35: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x34, &mut x35, x33, x25, x22);
-  let x36: u64 = ((x35 as u64) + x23);
-  let mut x37: u64 = 0;
-  let mut x38: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x37, &mut x38, 0x0, x11, x28);
-  let mut x39: u64 = 0;
-  let mut x40: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x39, &mut x40, x38, x13, x30);
-  let mut x41: u64 = 0;
-  let mut x42: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x41, &mut x42, x40, x15, x32);
-  let mut x43: u64 = 0;
-  let mut x44: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x43, &mut x44, x42, x17, x34);
-  let mut x45: u64 = 0;
-  let mut x46: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x45, &mut x46, x44, x19, x36);
-  let mut x47: u64 = 0;
-  let mut x48: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x47, &mut x48, x1, (arg1[3]));
-  let mut x49: u64 = 0;
-  let mut x50: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x49, &mut x50, x1, (arg1[2]));
-  let mut x51: u64 = 0;
-  let mut x52: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x51, &mut x52, x1, (arg1[1]));
-  let mut x53: u64 = 0;
-  let mut x54: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x53, &mut x54, x1, (arg1[0]));
-  let mut x55: u64 = 0;
-  let mut x56: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x55, &mut x56, 0x0, x54, x51);
-  let mut x57: u64 = 0;
-  let mut x58: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x57, &mut x58, x56, x52, x49);
-  let mut x59: u64 = 0;
-  let mut x60: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x59, &mut x60, x58, x50, x47);
-  let x61: u64 = ((x60 as u64) + x48);
-  let mut x62: u64 = 0;
-  let mut x63: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x62, &mut x63, 0x0, x39, x53);
-  let mut x64: u64 = 0;
-  let mut x65: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x64, &mut x65, x63, x41, x55);
-  let mut x66: u64 = 0;
-  let mut x67: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x66, &mut x67, x65, x43, x57);
-  let mut x68: u64 = 0;
-  let mut x69: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x68, &mut x69, x67, x45, x59);
-  let mut x70: u64 = 0;
-  let mut x71: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x70, &mut x71, x69, (x46 as u64), x61);
-  let mut x72: u64 = 0;
-  let mut x73: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x72, &mut x73, x62, 0xd838091dd2253531);
-  let mut x74: u64 = 0;
-  let mut x75: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x74, &mut x75, x72, 0xffffffffffffffff);
-  let mut x76: u64 = 0;
-  let mut x77: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x76, &mut x77, x72, 0xffffffffffffffff);
-  let mut x78: u64 = 0;
-  let mut x79: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x78, &mut x79, x72, 0xffffffffffffffff);
-  let mut x80: u64 = 0;
-  let mut x81: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x80, &mut x81, x72, 0xfffffffefffffc2f);
-  let mut x82: u64 = 0;
-  let mut x83: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x82, &mut x83, 0x0, x81, x78);
-  let mut x84: u64 = 0;
-  let mut x85: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x84, &mut x85, x83, x79, x76);
-  let mut x86: u64 = 0;
-  let mut x87: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x86, &mut x87, x85, x77, x74);
-  let x88: u64 = ((x87 as u64) + x75);
-  let mut x89: u64 = 0;
-  let mut x90: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x89, &mut x90, 0x0, x62, x80);
-  let mut x91: u64 = 0;
-  let mut x92: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x91, &mut x92, x90, x64, x82);
-  let mut x93: u64 = 0;
-  let mut x94: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x93, &mut x94, x92, x66, x84);
-  let mut x95: u64 = 0;
-  let mut x96: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x95, &mut x96, x94, x68, x86);
-  let mut x97: u64 = 0;
-  let mut x98: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x97, &mut x98, x96, x70, x88);
-  let x99: u64 = ((x98 as u64) + (x71 as u64));
-  let mut x100: u64 = 0;
-  let mut x101: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x100, &mut x101, x2, (arg1[3]));
-  let mut x102: u64 = 0;
-  let mut x103: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x102, &mut x103, x2, (arg1[2]));
-  let mut x104: u64 = 0;
-  let mut x105: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x104, &mut x105, x2, (arg1[1]));
-  let mut x106: u64 = 0;
-  let mut x107: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x106, &mut x107, x2, (arg1[0]));
-  let mut x108: u64 = 0;
-  let mut x109: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x108, &mut x109, 0x0, x107, x104);
-  let mut x110: u64 = 0;
-  let mut x111: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x110, &mut x111, x109, x105, x102);
-  let mut x112: u64 = 0;
-  let mut x113: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x112, &mut x113, x111, x103, x100);
-  let x114: u64 = ((x113 as u64) + x101);
-  let mut x115: u64 = 0;
-  let mut x116: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x115, &mut x116, 0x0, x91, x106);
-  let mut x117: u64 = 0;
-  let mut x118: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x117, &mut x118, x116, x93, x108);
-  let mut x119: u64 = 0;
-  let mut x120: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x119, &mut x120, x118, x95, x110);
-  let mut x121: u64 = 0;
-  let mut x122: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x121, &mut x122, x120, x97, x112);
-  let mut x123: u64 = 0;
-  let mut x124: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x123, &mut x124, x122, x99, x114);
-  let mut x125: u64 = 0;
-  let mut x126: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x125, &mut x126, x115, 0xd838091dd2253531);
-  let mut x127: u64 = 0;
-  let mut x128: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x127, &mut x128, x125, 0xffffffffffffffff);
-  let mut x129: u64 = 0;
-  let mut x130: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x129, &mut x130, x125, 0xffffffffffffffff);
-  let mut x131: u64 = 0;
-  let mut x132: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x131, &mut x132, x125, 0xffffffffffffffff);
-  let mut x133: u64 = 0;
-  let mut x134: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x133, &mut x134, x125, 0xfffffffefffffc2f);
-  let mut x135: u64 = 0;
-  let mut x136: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x135, &mut x136, 0x0, x134, x131);
-  let mut x137: u64 = 0;
-  let mut x138: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x137, &mut x138, x136, x132, x129);
-  let mut x139: u64 = 0;
-  let mut x140: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x139, &mut x140, x138, x130, x127);
-  let x141: u64 = ((x140 as u64) + x128);
-  let mut x142: u64 = 0;
-  let mut x143: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x142, &mut x143, 0x0, x115, x133);
-  let mut x144: u64 = 0;
-  let mut x145: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x144, &mut x145, x143, x117, x135);
-  let mut x146: u64 = 0;
-  let mut x147: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x146, &mut x147, x145, x119, x137);
-  let mut x148: u64 = 0;
-  let mut x149: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x148, &mut x149, x147, x121, x139);
-  let mut x150: u64 = 0;
-  let mut x151: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x150, &mut x151, x149, x123, x141);
-  let x152: u64 = ((x151 as u64) + (x124 as u64));
-  let mut x153: u64 = 0;
-  let mut x154: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x153, &mut x154, x3, (arg1[3]));
-  let mut x155: u64 = 0;
-  let mut x156: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x155, &mut x156, x3, (arg1[2]));
-  let mut x157: u64 = 0;
-  let mut x158: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x157, &mut x158, x3, (arg1[1]));
-  let mut x159: u64 = 0;
-  let mut x160: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x159, &mut x160, x3, (arg1[0]));
-  let mut x161: u64 = 0;
-  let mut x162: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x161, &mut x162, 0x0, x160, x157);
-  let mut x163: u64 = 0;
-  let mut x164: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x163, &mut x164, x162, x158, x155);
-  let mut x165: u64 = 0;
-  let mut x166: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x165, &mut x166, x164, x156, x153);
-  let x167: u64 = ((x166 as u64) + x154);
-  let mut x168: u64 = 0;
-  let mut x169: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x168, &mut x169, 0x0, x144, x159);
-  let mut x170: u64 = 0;
-  let mut x171: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x170, &mut x171, x169, x146, x161);
-  let mut x172: u64 = 0;
-  let mut x173: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x172, &mut x173, x171, x148, x163);
-  let mut x174: u64 = 0;
-  let mut x175: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x174, &mut x175, x173, x150, x165);
-  let mut x176: u64 = 0;
-  let mut x177: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x176, &mut x177, x175, x152, x167);
-  let mut x178: u64 = 0;
-  let mut x179: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x178, &mut x179, x168, 0xd838091dd2253531);
-  let mut x180: u64 = 0;
-  let mut x181: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x180, &mut x181, x178, 0xffffffffffffffff);
-  let mut x182: u64 = 0;
-  let mut x183: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x182, &mut x183, x178, 0xffffffffffffffff);
-  let mut x184: u64 = 0;
-  let mut x185: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x184, &mut x185, x178, 0xffffffffffffffff);
-  let mut x186: u64 = 0;
-  let mut x187: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x186, &mut x187, x178, 0xfffffffefffffc2f);
-  let mut x188: u64 = 0;
-  let mut x189: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x188, &mut x189, 0x0, x187, x184);
-  let mut x190: u64 = 0;
-  let mut x191: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x190, &mut x191, x189, x185, x182);
-  let mut x192: u64 = 0;
-  let mut x193: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x192, &mut x193, x191, x183, x180);
-  let x194: u64 = ((x193 as u64) + x181);
-  let mut x195: u64 = 0;
-  let mut x196: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x195, &mut x196, 0x0, x168, x186);
-  let mut x197: u64 = 0;
-  let mut x198: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x197, &mut x198, x196, x170, x188);
-  let mut x199: u64 = 0;
-  let mut x200: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x199, &mut x200, x198, x172, x190);
-  let mut x201: u64 = 0;
-  let mut x202: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x201, &mut x202, x200, x174, x192);
-  let mut x203: u64 = 0;
-  let mut x204: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x203, &mut x204, x202, x176, x194);
-  let x205: u64 = ((x204 as u64) + (x177 as u64));
-  let mut x206: u64 = 0;
-  let mut x207: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x206, &mut x207, 0x0, x197, 0xfffffffefffffc2f);
-  let mut x208: u64 = 0;
-  let mut x209: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x208, &mut x209, x207, x199, 0xffffffffffffffff);
-  let mut x210: u64 = 0;
-  let mut x211: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x210, &mut x211, x209, x201, 0xffffffffffffffff);
-  let mut x212: u64 = 0;
-  let mut x213: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x212, &mut x213, x211, x203, 0xffffffffffffffff);
-  let mut x214: u64 = 0;
-  let mut x215: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x214, &mut x215, x213, x205, (0x0 as u64));
-  let mut x216: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x216, x215, x206, x197);
-  let mut x217: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x217, x215, x208, x199);
-  let mut x218: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x218, x215, x210, x201);
-  let mut x219: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x219, x215, x212, x203);
-  out1[0] = x216;
-  out1[1] = x217;
-  out1[2] = x218;
-  out1[3] = x219;
-}
-
-/// The function fiat_secp256k1_add adds two field elements in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-///   0 ≤ eval arg2 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) + eval (from_montgomery arg2)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_add(out1: &mut fiat_secp256k1_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_domain_field_element) -> () {
-  let mut x1: u64 = 0;
-  let mut x2: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
-  let mut x3: u64 = 0;
-  let mut x4: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
-  let mut x5: u64 = 0;
-  let mut x6: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
-  let mut x7: u64 = 0;
-  let mut x8: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
-  let mut x9: u64 = 0;
-  let mut x10: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x9, &mut x10, 0x0, x1, 0xfffffffefffffc2f);
-  let mut x11: u64 = 0;
-  let mut x12: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x11, &mut x12, x10, x3, 0xffffffffffffffff);
-  let mut x13: u64 = 0;
-  let mut x14: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x13, &mut x14, x12, x5, 0xffffffffffffffff);
-  let mut x15: u64 = 0;
-  let mut x16: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x15, &mut x16, x14, x7, 0xffffffffffffffff);
-  let mut x17: u64 = 0;
-  let mut x18: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x17, &mut x18, x16, (x8 as u64), (0x0 as u64));
-  let mut x19: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x19, x18, x9, x1);
-  let mut x20: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x20, x18, x11, x3);
-  let mut x21: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x21, x18, x13, x5);
-  let mut x22: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x22, x18, x15, x7);
-  out1[0] = x19;
-  out1[1] = x20;
-  out1[2] = x21;
-  out1[3] = x22;
-}
-
-/// The function fiat_secp256k1_sub subtracts two field elements in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-///   0 ≤ eval arg2 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) - eval (from_montgomery arg2)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_sub(out1: &mut fiat_secp256k1_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_domain_field_element) -> () {
-  let mut x1: u64 = 0;
-  let mut x2: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
-  let mut x3: u64 = 0;
-  let mut x4: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
-  let mut x5: u64 = 0;
-  let mut x6: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
-  let mut x7: u64 = 0;
-  let mut x8: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
-  let mut x9: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x9, x8, (0x0 as u64), 0xffffffffffffffff);
-  let mut x10: u64 = 0;
-  let mut x11: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x10, &mut x11, 0x0, x1, (x9 & 0xfffffffefffffc2f));
-  let mut x12: u64 = 0;
-  let mut x13: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x12, &mut x13, x11, x3, x9);
-  let mut x14: u64 = 0;
-  let mut x15: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x14, &mut x15, x13, x5, x9);
-  let mut x16: u64 = 0;
-  let mut x17: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x16, &mut x17, x15, x7, x9);
-  out1[0] = x10;
-  out1[1] = x12;
-  out1[2] = x14;
-  out1[3] = x16;
-}
-
-/// The function fiat_secp256k1_opp negates a field element in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = -eval (from_montgomery arg1) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_opp(out1: &mut fiat_secp256k1_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_domain_field_element) -> () {
-  let mut x1: u64 = 0;
-  let mut x2: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x1, &mut x2, 0x0, (0x0 as u64), (arg1[0]));
-  let mut x3: u64 = 0;
-  let mut x4: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x3, &mut x4, x2, (0x0 as u64), (arg1[1]));
-  let mut x5: u64 = 0;
-  let mut x6: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x5, &mut x6, x4, (0x0 as u64), (arg1[2]));
-  let mut x7: u64 = 0;
-  let mut x8: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x7, &mut x8, x6, (0x0 as u64), (arg1[3]));
-  let mut x9: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x9, x8, (0x0 as u64), 0xffffffffffffffff);
-  let mut x10: u64 = 0;
-  let mut x11: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x10, &mut x11, 0x0, x1, (x9 & 0xfffffffefffffc2f));
-  let mut x12: u64 = 0;
-  let mut x13: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x12, &mut x13, x11, x3, x9);
-  let mut x14: u64 = 0;
-  let mut x15: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x14, &mut x15, x13, x5, x9);
-  let mut x16: u64 = 0;
-  let mut x17: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x16, &mut x17, x15, x7, x9);
-  out1[0] = x10;
-  out1[1] = x12;
-  out1[2] = x14;
-  out1[3] = x16;
-}
-
-/// The function fiat_secp256k1_from_montgomery translates a field element out of the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval out1 mod m = (eval arg1 * ((2^64)⁻¹ mod m)^4) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_from_montgomery(out1: &mut fiat_secp256k1_non_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_domain_field_element) -> () {
-  let x1: u64 = (arg1[0]);
-  let mut x2: u64 = 0;
-  let mut x3: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x2, &mut x3, x1, 0xd838091dd2253531);
-  let mut x4: u64 = 0;
-  let mut x5: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x4, &mut x5, x2, 0xffffffffffffffff);
-  let mut x6: u64 = 0;
-  let mut x7: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x6, &mut x7, x2, 0xffffffffffffffff);
-  let mut x8: u64 = 0;
-  let mut x9: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x8, &mut x9, x2, 0xffffffffffffffff);
-  let mut x10: u64 = 0;
-  let mut x11: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x10, &mut x11, x2, 0xfffffffefffffc2f);
-  let mut x12: u64 = 0;
-  let mut x13: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x12, &mut x13, 0x0, x11, x8);
-  let mut x14: u64 = 0;
-  let mut x15: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x14, &mut x15, x13, x9, x6);
-  let mut x16: u64 = 0;
-  let mut x17: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x16, &mut x17, x15, x7, x4);
-  let mut x18: u64 = 0;
-  let mut x19: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x18, &mut x19, 0x0, x1, x10);
-  let mut x20: u64 = 0;
-  let mut x21: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x20, &mut x21, x19, (0x0 as u64), x12);
-  let mut x22: u64 = 0;
-  let mut x23: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x22, &mut x23, x21, (0x0 as u64), x14);
-  let mut x24: u64 = 0;
-  let mut x25: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x24, &mut x25, x23, (0x0 as u64), x16);
-  let mut x26: u64 = 0;
-  let mut x27: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x26, &mut x27, x25, (0x0 as u64), ((x17 as u64) + x5));
-  let mut x28: u64 = 0;
-  let mut x29: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x28, &mut x29, 0x0, x20, (arg1[1]));
-  let mut x30: u64 = 0;
-  let mut x31: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x30, &mut x31, x29, x22, (0x0 as u64));
-  let mut x32: u64 = 0;
-  let mut x33: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x32, &mut x33, x31, x24, (0x0 as u64));
-  let mut x34: u64 = 0;
-  let mut x35: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x34, &mut x35, x33, x26, (0x0 as u64));
-  let mut x36: u64 = 0;
-  let mut x37: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x36, &mut x37, x28, 0xd838091dd2253531);
-  let mut x38: u64 = 0;
-  let mut x39: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x38, &mut x39, x36, 0xffffffffffffffff);
-  let mut x40: u64 = 0;
-  let mut x41: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x40, &mut x41, x36, 0xffffffffffffffff);
-  let mut x42: u64 = 0;
-  let mut x43: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x42, &mut x43, x36, 0xffffffffffffffff);
-  let mut x44: u64 = 0;
-  let mut x45: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x44, &mut x45, x36, 0xfffffffefffffc2f);
-  let mut x46: u64 = 0;
-  let mut x47: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x46, &mut x47, 0x0, x45, x42);
-  let mut x48: u64 = 0;
-  let mut x49: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x48, &mut x49, x47, x43, x40);
-  let mut x50: u64 = 0;
-  let mut x51: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x50, &mut x51, x49, x41, x38);
-  let mut x52: u64 = 0;
-  let mut x53: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x52, &mut x53, 0x0, x28, x44);
-  let mut x54: u64 = 0;
-  let mut x55: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x54, &mut x55, x53, x30, x46);
-  let mut x56: u64 = 0;
-  let mut x57: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x56, &mut x57, x55, x32, x48);
-  let mut x58: u64 = 0;
-  let mut x59: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x58, &mut x59, x57, x34, x50);
-  let mut x60: u64 = 0;
-  let mut x61: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x60, &mut x61, x59, ((x35 as u64) + (x27 as u64)), ((x51 as u64) + x39));
-  let mut x62: u64 = 0;
-  let mut x63: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x62, &mut x63, 0x0, x54, (arg1[2]));
-  let mut x64: u64 = 0;
-  let mut x65: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x64, &mut x65, x63, x56, (0x0 as u64));
-  let mut x66: u64 = 0;
-  let mut x67: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x66, &mut x67, x65, x58, (0x0 as u64));
-  let mut x68: u64 = 0;
-  let mut x69: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x68, &mut x69, x67, x60, (0x0 as u64));
-  let mut x70: u64 = 0;
-  let mut x71: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x70, &mut x71, x62, 0xd838091dd2253531);
-  let mut x72: u64 = 0;
-  let mut x73: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x72, &mut x73, x70, 0xffffffffffffffff);
-  let mut x74: u64 = 0;
-  let mut x75: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x74, &mut x75, x70, 0xffffffffffffffff);
-  let mut x76: u64 = 0;
-  let mut x77: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x76, &mut x77, x70, 0xffffffffffffffff);
-  let mut x78: u64 = 0;
-  let mut x79: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x78, &mut x79, x70, 0xfffffffefffffc2f);
-  let mut x80: u64 = 0;
-  let mut x81: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x80, &mut x81, 0x0, x79, x76);
-  let mut x82: u64 = 0;
-  let mut x83: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x82, &mut x83, x81, x77, x74);
-  let mut x84: u64 = 0;
-  let mut x85: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x84, &mut x85, x83, x75, x72);
-  let mut x86: u64 = 0;
-  let mut x87: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x86, &mut x87, 0x0, x62, x78);
-  let mut x88: u64 = 0;
-  let mut x89: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x88, &mut x89, x87, x64, x80);
-  let mut x90: u64 = 0;
-  let mut x91: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x90, &mut x91, x89, x66, x82);
-  let mut x92: u64 = 0;
-  let mut x93: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x92, &mut x93, x91, x68, x84);
-  let mut x94: u64 = 0;
-  let mut x95: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x94, &mut x95, x93, ((x69 as u64) + (x61 as u64)), ((x85 as u64) + x73));
-  let mut x96: u64 = 0;
-  let mut x97: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x96, &mut x97, 0x0, x88, (arg1[3]));
-  let mut x98: u64 = 0;
-  let mut x99: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x98, &mut x99, x97, x90, (0x0 as u64));
-  let mut x100: u64 = 0;
-  let mut x101: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x100, &mut x101, x99, x92, (0x0 as u64));
-  let mut x102: u64 = 0;
-  let mut x103: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x102, &mut x103, x101, x94, (0x0 as u64));
-  let mut x104: u64 = 0;
-  let mut x105: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x104, &mut x105, x96, 0xd838091dd2253531);
-  let mut x106: u64 = 0;
-  let mut x107: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x106, &mut x107, x104, 0xffffffffffffffff);
-  let mut x108: u64 = 0;
-  let mut x109: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x108, &mut x109, x104, 0xffffffffffffffff);
-  let mut x110: u64 = 0;
-  let mut x111: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x110, &mut x111, x104, 0xffffffffffffffff);
-  let mut x112: u64 = 0;
-  let mut x113: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x112, &mut x113, x104, 0xfffffffefffffc2f);
-  let mut x114: u64 = 0;
-  let mut x115: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x114, &mut x115, 0x0, x113, x110);
-  let mut x116: u64 = 0;
-  let mut x117: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x116, &mut x117, x115, x111, x108);
-  let mut x118: u64 = 0;
-  let mut x119: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x118, &mut x119, x117, x109, x106);
-  let mut x120: u64 = 0;
-  let mut x121: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x120, &mut x121, 0x0, x96, x112);
-  let mut x122: u64 = 0;
-  let mut x123: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x122, &mut x123, x121, x98, x114);
-  let mut x124: u64 = 0;
-  let mut x125: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x124, &mut x125, x123, x100, x116);
-  let mut x126: u64 = 0;
-  let mut x127: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x126, &mut x127, x125, x102, x118);
-  let mut x128: u64 = 0;
-  let mut x129: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x128, &mut x129, x127, ((x103 as u64) + (x95 as u64)), ((x119 as u64) + x107));
-  let mut x130: u64 = 0;
-  let mut x131: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x130, &mut x131, 0x0, x122, 0xfffffffefffffc2f);
-  let mut x132: u64 = 0;
-  let mut x133: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x132, &mut x133, x131, x124, 0xffffffffffffffff);
-  let mut x134: u64 = 0;
-  let mut x135: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x134, &mut x135, x133, x126, 0xffffffffffffffff);
-  let mut x136: u64 = 0;
-  let mut x137: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x136, &mut x137, x135, x128, 0xffffffffffffffff);
-  let mut x138: u64 = 0;
-  let mut x139: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x138, &mut x139, x137, (x129 as u64), (0x0 as u64));
-  let mut x140: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x140, x139, x130, x122);
-  let mut x141: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x141, x139, x132, x124);
-  let mut x142: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x142, x139, x134, x126);
-  let mut x143: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x143, x139, x136, x128);
-  out1[0] = x140;
-  out1[1] = x141;
-  out1[2] = x142;
-  out1[3] = x143;
-}
-
-/// The function fiat_secp256k1_to_montgomery translates a field element into the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = eval arg1 mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_to_montgomery(out1: &mut fiat_secp256k1_montgomery_domain_field_element, arg1: &fiat_secp256k1_non_montgomery_domain_field_element) -> () {
-  let x1: u64 = (arg1[1]);
-  let x2: u64 = (arg1[2]);
-  let x3: u64 = (arg1[3]);
-  let x4: u64 = (arg1[0]);
-  let mut x5: u64 = 0;
-  let mut x6: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x5, &mut x6, x4, 0x7a2000e90a1);
-  let mut x7: u64 = 0;
-  let mut x8: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x7, &mut x8, 0x0, x6, x4);
-  let mut x9: u64 = 0;
-  let mut x10: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x9, &mut x10, x5, 0xd838091dd2253531);
-  let mut x11: u64 = 0;
-  let mut x12: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x11, &mut x12, x9, 0xffffffffffffffff);
-  let mut x13: u64 = 0;
-  let mut x14: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x13, &mut x14, x9, 0xffffffffffffffff);
-  let mut x15: u64 = 0;
-  let mut x16: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x15, &mut x16, x9, 0xffffffffffffffff);
-  let mut x17: u64 = 0;
-  let mut x18: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x17, &mut x18, x9, 0xfffffffefffffc2f);
-  let mut x19: u64 = 0;
-  let mut x20: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x19, &mut x20, 0x0, x18, x15);
-  let mut x21: u64 = 0;
-  let mut x22: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x21, &mut x22, x20, x16, x13);
-  let mut x23: u64 = 0;
-  let mut x24: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x23, &mut x24, x22, x14, x11);
-  let mut x25: u64 = 0;
-  let mut x26: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x25, &mut x26, 0x0, x5, x17);
-  let mut x27: u64 = 0;
-  let mut x28: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x27, &mut x28, x26, x7, x19);
-  let mut x29: u64 = 0;
-  let mut x30: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x29, &mut x30, x28, (x8 as u64), x21);
-  let mut x31: u64 = 0;
-  let mut x32: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x31, &mut x32, x30, (0x0 as u64), x23);
-  let mut x33: u64 = 0;
-  let mut x34: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x33, &mut x34, x32, (0x0 as u64), ((x24 as u64) + x12));
-  let mut x35: u64 = 0;
-  let mut x36: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x35, &mut x36, x1, 0x7a2000e90a1);
-  let mut x37: u64 = 0;
-  let mut x38: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x37, &mut x38, 0x0, x36, x1);
-  let mut x39: u64 = 0;
-  let mut x40: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x39, &mut x40, 0x0, x27, x35);
-  let mut x41: u64 = 0;
-  let mut x42: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x41, &mut x42, x40, x29, x37);
-  let mut x43: u64 = 0;
-  let mut x44: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x43, &mut x44, x42, x31, (x38 as u64));
-  let mut x45: u64 = 0;
-  let mut x46: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x45, &mut x46, x44, x33, (0x0 as u64));
-  let mut x47: u64 = 0;
-  let mut x48: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x47, &mut x48, x39, 0xd838091dd2253531);
-  let mut x49: u64 = 0;
-  let mut x50: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x49, &mut x50, x47, 0xffffffffffffffff);
-  let mut x51: u64 = 0;
-  let mut x52: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x51, &mut x52, x47, 0xffffffffffffffff);
-  let mut x53: u64 = 0;
-  let mut x54: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x53, &mut x54, x47, 0xffffffffffffffff);
-  let mut x55: u64 = 0;
-  let mut x56: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x55, &mut x56, x47, 0xfffffffefffffc2f);
-  let mut x57: u64 = 0;
-  let mut x58: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x57, &mut x58, 0x0, x56, x53);
-  let mut x59: u64 = 0;
-  let mut x60: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x59, &mut x60, x58, x54, x51);
-  let mut x61: u64 = 0;
-  let mut x62: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x61, &mut x62, x60, x52, x49);
-  let mut x63: u64 = 0;
-  let mut x64: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x63, &mut x64, 0x0, x39, x55);
-  let mut x65: u64 = 0;
-  let mut x66: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x65, &mut x66, x64, x41, x57);
-  let mut x67: u64 = 0;
-  let mut x68: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x67, &mut x68, x66, x43, x59);
-  let mut x69: u64 = 0;
-  let mut x70: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x69, &mut x70, x68, x45, x61);
-  let mut x71: u64 = 0;
-  let mut x72: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x71, &mut x72, x70, ((x46 as u64) + (x34 as u64)), ((x62 as u64) + x50));
-  let mut x73: u64 = 0;
-  let mut x74: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x73, &mut x74, x2, 0x7a2000e90a1);
-  let mut x75: u64 = 0;
-  let mut x76: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x75, &mut x76, 0x0, x74, x2);
-  let mut x77: u64 = 0;
-  let mut x78: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x77, &mut x78, 0x0, x65, x73);
-  let mut x79: u64 = 0;
-  let mut x80: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x79, &mut x80, x78, x67, x75);
-  let mut x81: u64 = 0;
-  let mut x82: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x81, &mut x82, x80, x69, (x76 as u64));
-  let mut x83: u64 = 0;
-  let mut x84: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x83, &mut x84, x82, x71, (0x0 as u64));
-  let mut x85: u64 = 0;
-  let mut x86: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x85, &mut x86, x77, 0xd838091dd2253531);
-  let mut x87: u64 = 0;
-  let mut x88: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x87, &mut x88, x85, 0xffffffffffffffff);
-  let mut x89: u64 = 0;
-  let mut x90: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x89, &mut x90, x85, 0xffffffffffffffff);
-  let mut x91: u64 = 0;
-  let mut x92: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x91, &mut x92, x85, 0xffffffffffffffff);
-  let mut x93: u64 = 0;
-  let mut x94: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x93, &mut x94, x85, 0xfffffffefffffc2f);
-  let mut x95: u64 = 0;
-  let mut x96: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x95, &mut x96, 0x0, x94, x91);
-  let mut x97: u64 = 0;
-  let mut x98: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x97, &mut x98, x96, x92, x89);
-  let mut x99: u64 = 0;
-  let mut x100: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x99, &mut x100, x98, x90, x87);
-  let mut x101: u64 = 0;
-  let mut x102: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x101, &mut x102, 0x0, x77, x93);
-  let mut x103: u64 = 0;
-  let mut x104: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x103, &mut x104, x102, x79, x95);
-  let mut x105: u64 = 0;
-  let mut x106: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x105, &mut x106, x104, x81, x97);
-  let mut x107: u64 = 0;
-  let mut x108: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x107, &mut x108, x106, x83, x99);
-  let mut x109: u64 = 0;
-  let mut x110: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x109, &mut x110, x108, ((x84 as u64) + (x72 as u64)), ((x100 as u64) + x88));
-  let mut x111: u64 = 0;
-  let mut x112: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x111, &mut x112, x3, 0x7a2000e90a1);
-  let mut x113: u64 = 0;
-  let mut x114: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x113, &mut x114, 0x0, x112, x3);
-  let mut x115: u64 = 0;
-  let mut x116: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x115, &mut x116, 0x0, x103, x111);
-  let mut x117: u64 = 0;
-  let mut x118: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x117, &mut x118, x116, x105, x113);
-  let mut x119: u64 = 0;
-  let mut x120: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x119, &mut x120, x118, x107, (x114 as u64));
-  let mut x121: u64 = 0;
-  let mut x122: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x121, &mut x122, x120, x109, (0x0 as u64));
-  let mut x123: u64 = 0;
-  let mut x124: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x123, &mut x124, x115, 0xd838091dd2253531);
-  let mut x125: u64 = 0;
-  let mut x126: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x125, &mut x126, x123, 0xffffffffffffffff);
-  let mut x127: u64 = 0;
-  let mut x128: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x127, &mut x128, x123, 0xffffffffffffffff);
-  let mut x129: u64 = 0;
-  let mut x130: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x129, &mut x130, x123, 0xffffffffffffffff);
-  let mut x131: u64 = 0;
-  let mut x132: u64 = 0;
-  fiat_secp256k1_mulx_u64(&mut x131, &mut x132, x123, 0xfffffffefffffc2f);
-  let mut x133: u64 = 0;
-  let mut x134: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x133, &mut x134, 0x0, x132, x129);
-  let mut x135: u64 = 0;
-  let mut x136: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x135, &mut x136, x134, x130, x127);
-  let mut x137: u64 = 0;
-  let mut x138: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x137, &mut x138, x136, x128, x125);
-  let mut x139: u64 = 0;
-  let mut x140: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x139, &mut x140, 0x0, x115, x131);
-  let mut x141: u64 = 0;
-  let mut x142: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x141, &mut x142, x140, x117, x133);
-  let mut x143: u64 = 0;
-  let mut x144: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x143, &mut x144, x142, x119, x135);
-  let mut x145: u64 = 0;
-  let mut x146: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x145, &mut x146, x144, x121, x137);
-  let mut x147: u64 = 0;
-  let mut x148: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x147, &mut x148, x146, ((x122 as u64) + (x110 as u64)), ((x138 as u64) + x126));
-  let mut x149: u64 = 0;
-  let mut x150: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x149, &mut x150, 0x0, x141, 0xfffffffefffffc2f);
-  let mut x151: u64 = 0;
-  let mut x152: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x151, &mut x152, x150, x143, 0xffffffffffffffff);
-  let mut x153: u64 = 0;
-  let mut x154: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x153, &mut x154, x152, x145, 0xffffffffffffffff);
-  let mut x155: u64 = 0;
-  let mut x156: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x155, &mut x156, x154, x147, 0xffffffffffffffff);
-  let mut x157: u64 = 0;
-  let mut x158: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x157, &mut x158, x156, (x148 as u64), (0x0 as u64));
-  let mut x159: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x159, x158, x149, x141);
-  let mut x160: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x160, x158, x151, x143);
-  let mut x161: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x161, x158, x153, x145);
-  let mut x162: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x162, x158, x155, x147);
-  out1[0] = x159;
-  out1[1] = x160;
-  out1[2] = x161;
-  out1[3] = x162;
-}
-
-/// The function fiat_secp256k1_nonzero outputs a single non-zero word if the input is non-zero and zero otherwise.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   out1 = 0 ↔ eval (from_montgomery arg1) mod m = 0
-///
-/// Input Bounds:
-///   arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffffffffffff]
-#[inline]
-pub fn fiat_secp256k1_nonzero(out1: &mut u64, arg1: &[u64; 4]) -> () {
-  let x1: u64 = ((arg1[0]) | ((arg1[1]) | ((arg1[2]) | (arg1[3]))));
-  *out1 = x1;
-}
-
-/// The function fiat_secp256k1_selectznz is a multi-limb conditional select.
-///
-/// Postconditions:
-///   out1 = (if arg1 = 0 then arg2 else arg3)
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-///   arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-#[inline]
-pub fn fiat_secp256k1_selectznz(out1: &mut [u64; 4], arg1: fiat_secp256k1_u1, arg2: &[u64; 4], arg3: &[u64; 4]) -> () {
-  let mut x1: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x1, arg1, (arg2[0]), (arg3[0]));
-  let mut x2: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x2, arg1, (arg2[1]), (arg3[1]));
-  let mut x3: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x3, arg1, (arg2[2]), (arg3[2]));
-  let mut x4: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x4, arg1, (arg2[3]), (arg3[3]));
-  out1[0] = x1;
-  out1[1] = x2;
-  out1[2] = x3;
-  out1[3] = x4;
-}
-
-/// The function fiat_secp256k1_to_bytes serializes a field element NOT in the Montgomery domain to bytes in little-endian order.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   out1 = map (λ x, ⌊((eval arg1 mod m) mod 2^(8 * (x + 1))) / 2^(8 * x)⌋) [0..31]
-///
-/// Input Bounds:
-///   arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
-#[inline]
-pub fn fiat_secp256k1_to_bytes(out1: &mut [u8; 32], arg1: &[u64; 4]) -> () {
-  let x1: u64 = (arg1[3]);
-  let x2: u64 = (arg1[2]);
-  let x3: u64 = (arg1[1]);
-  let x4: u64 = (arg1[0]);
-  let x5: u8 = ((x4 & (0xff as u64)) as u8);
-  let x6: u64 = (x4 >> 8);
-  let x7: u8 = ((x6 & (0xff as u64)) as u8);
-  let x8: u64 = (x6 >> 8);
-  let x9: u8 = ((x8 & (0xff as u64)) as u8);
-  let x10: u64 = (x8 >> 8);
-  let x11: u8 = ((x10 & (0xff as u64)) as u8);
-  let x12: u64 = (x10 >> 8);
-  let x13: u8 = ((x12 & (0xff as u64)) as u8);
-  let x14: u64 = (x12 >> 8);
-  let x15: u8 = ((x14 & (0xff as u64)) as u8);
-  let x16: u64 = (x14 >> 8);
-  let x17: u8 = ((x16 & (0xff as u64)) as u8);
-  let x18: u8 = ((x16 >> 8) as u8);
-  let x19: u8 = ((x3 & (0xff as u64)) as u8);
-  let x20: u64 = (x3 >> 8);
-  let x21: u8 = ((x20 & (0xff as u64)) as u8);
-  let x22: u64 = (x20 >> 8);
-  let x23: u8 = ((x22 & (0xff as u64)) as u8);
-  let x24: u64 = (x22 >> 8);
-  let x25: u8 = ((x24 & (0xff as u64)) as u8);
-  let x26: u64 = (x24 >> 8);
-  let x27: u8 = ((x26 & (0xff as u64)) as u8);
-  let x28: u64 = (x26 >> 8);
-  let x29: u8 = ((x28 & (0xff as u64)) as u8);
-  let x30: u64 = (x28 >> 8);
-  let x31: u8 = ((x30 & (0xff as u64)) as u8);
-  let x32: u8 = ((x30 >> 8) as u8);
-  let x33: u8 = ((x2 & (0xff as u64)) as u8);
-  let x34: u64 = (x2 >> 8);
-  let x35: u8 = ((x34 & (0xff as u64)) as u8);
-  let x36: u64 = (x34 >> 8);
-  let x37: u8 = ((x36 & (0xff as u64)) as u8);
-  let x38: u64 = (x36 >> 8);
-  let x39: u8 = ((x38 & (0xff as u64)) as u8);
-  let x40: u64 = (x38 >> 8);
-  let x41: u8 = ((x40 & (0xff as u64)) as u8);
-  let x42: u64 = (x40 >> 8);
-  let x43: u8 = ((x42 & (0xff as u64)) as u8);
-  let x44: u64 = (x42 >> 8);
-  let x45: u8 = ((x44 & (0xff as u64)) as u8);
-  let x46: u8 = ((x44 >> 8) as u8);
-  let x47: u8 = ((x1 & (0xff as u64)) as u8);
-  let x48: u64 = (x1 >> 8);
-  let x49: u8 = ((x48 & (0xff as u64)) as u8);
-  let x50: u64 = (x48 >> 8);
-  let x51: u8 = ((x50 & (0xff as u64)) as u8);
-  let x52: u64 = (x50 >> 8);
-  let x53: u8 = ((x52 & (0xff as u64)) as u8);
-  let x54: u64 = (x52 >> 8);
-  let x55: u8 = ((x54 & (0xff as u64)) as u8);
-  let x56: u64 = (x54 >> 8);
-  let x57: u8 = ((x56 & (0xff as u64)) as u8);
-  let x58: u64 = (x56 >> 8);
-  let x59: u8 = ((x58 & (0xff as u64)) as u8);
-  let x60: u8 = ((x58 >> 8) as u8);
-  out1[0] = x5;
-  out1[1] = x7;
-  out1[2] = x9;
-  out1[3] = x11;
-  out1[4] = x13;
-  out1[5] = x15;
-  out1[6] = x17;
-  out1[7] = x18;
-  out1[8] = x19;
-  out1[9] = x21;
-  out1[10] = x23;
-  out1[11] = x25;
-  out1[12] = x27;
-  out1[13] = x29;
-  out1[14] = x31;
-  out1[15] = x32;
-  out1[16] = x33;
-  out1[17] = x35;
-  out1[18] = x37;
-  out1[19] = x39;
-  out1[20] = x41;
-  out1[21] = x43;
-  out1[22] = x45;
-  out1[23] = x46;
-  out1[24] = x47;
-  out1[25] = x49;
-  out1[26] = x51;
-  out1[27] = x53;
-  out1[28] = x55;
-  out1[29] = x57;
-  out1[30] = x59;
-  out1[31] = x60;
-}
-
-/// The function fiat_secp256k1_from_bytes deserializes a field element NOT in the Montgomery domain from bytes in little-endian order.
-///
-/// Preconditions:
-///   0 ≤ bytes_eval arg1 < m
-/// Postconditions:
-///   eval out1 mod m = bytes_eval arg1 mod m
-///   0 ≤ eval out1 < m
-///
-/// Input Bounds:
-///   arg1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-#[inline]
-pub fn fiat_secp256k1_from_bytes(out1: &mut [u64; 4], arg1: &[u8; 32]) -> () {
-  let x1: u64 = (((arg1[31]) as u64) << 56);
-  let x2: u64 = (((arg1[30]) as u64) << 48);
-  let x3: u64 = (((arg1[29]) as u64) << 40);
-  let x4: u64 = (((arg1[28]) as u64) << 32);
-  let x5: u64 = (((arg1[27]) as u64) << 24);
-  let x6: u64 = (((arg1[26]) as u64) << 16);
-  let x7: u64 = (((arg1[25]) as u64) << 8);
-  let x8: u8 = (arg1[24]);
-  let x9: u64 = (((arg1[23]) as u64) << 56);
-  let x10: u64 = (((arg1[22]) as u64) << 48);
-  let x11: u64 = (((arg1[21]) as u64) << 40);
-  let x12: u64 = (((arg1[20]) as u64) << 32);
-  let x13: u64 = (((arg1[19]) as u64) << 24);
-  let x14: u64 = (((arg1[18]) as u64) << 16);
-  let x15: u64 = (((arg1[17]) as u64) << 8);
-  let x16: u8 = (arg1[16]);
-  let x17: u64 = (((arg1[15]) as u64) << 56);
-  let x18: u64 = (((arg1[14]) as u64) << 48);
-  let x19: u64 = (((arg1[13]) as u64) << 40);
-  let x20: u64 = (((arg1[12]) as u64) << 32);
-  let x21: u64 = (((arg1[11]) as u64) << 24);
-  let x22: u64 = (((arg1[10]) as u64) << 16);
-  let x23: u64 = (((arg1[9]) as u64) << 8);
-  let x24: u8 = (arg1[8]);
-  let x25: u64 = (((arg1[7]) as u64) << 56);
-  let x26: u64 = (((arg1[6]) as u64) << 48);
-  let x27: u64 = (((arg1[5]) as u64) << 40);
-  let x28: u64 = (((arg1[4]) as u64) << 32);
-  let x29: u64 = (((arg1[3]) as u64) << 24);
-  let x30: u64 = (((arg1[2]) as u64) << 16);
-  let x31: u64 = (((arg1[1]) as u64) << 8);
-  let x32: u8 = (arg1[0]);
-  let x33: u64 = (x31 + (x32 as u64));
-  let x34: u64 = (x30 + x33);
-  let x35: u64 = (x29 + x34);
-  let x36: u64 = (x28 + x35);
-  let x37: u64 = (x27 + x36);
-  let x38: u64 = (x26 + x37);
-  let x39: u64 = (x25 + x38);
-  let x40: u64 = (x23 + (x24 as u64));
-  let x41: u64 = (x22 + x40);
-  let x42: u64 = (x21 + x41);
-  let x43: u64 = (x20 + x42);
-  let x44: u64 = (x19 + x43);
-  let x45: u64 = (x18 + x44);
-  let x46: u64 = (x17 + x45);
-  let x47: u64 = (x15 + (x16 as u64));
-  let x48: u64 = (x14 + x47);
-  let x49: u64 = (x13 + x48);
-  let x50: u64 = (x12 + x49);
-  let x51: u64 = (x11 + x50);
-  let x52: u64 = (x10 + x51);
-  let x53: u64 = (x9 + x52);
-  let x54: u64 = (x7 + (x8 as u64));
-  let x55: u64 = (x6 + x54);
-  let x56: u64 = (x5 + x55);
-  let x57: u64 = (x4 + x56);
-  let x58: u64 = (x3 + x57);
-  let x59: u64 = (x2 + x58);
-  let x60: u64 = (x1 + x59);
-  out1[0] = x39;
-  out1[1] = x46;
-  out1[2] = x53;
-  out1[3] = x60;
-}
-
-/// The function fiat_secp256k1_set_one returns the field element one in the Montgomery domain.
-///
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = 1 mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_set_one(out1: &mut fiat_secp256k1_montgomery_domain_field_element) -> () {
-  out1[0] = 0x1000003d1;
-  out1[1] = (0x0 as u64);
-  out1[2] = (0x0 as u64);
-  out1[3] = (0x0 as u64);
-}
-
-/// The function fiat_secp256k1_msat returns the saturated representation of the prime modulus.
-///
-/// Postconditions:
-///   twos_complement_eval out1 = m
-///   0 ≤ eval out1 < m
-///
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-#[inline]
-pub fn fiat_secp256k1_msat(out1: &mut [u64; 5]) -> () {
-  out1[0] = 0xfffffffefffffc2f;
-  out1[1] = 0xffffffffffffffff;
-  out1[2] = 0xffffffffffffffff;
-  out1[3] = 0xffffffffffffffff;
-  out1[4] = (0x0 as u64);
-}
-
-/// The function fiat_secp256k1_divstep computes a divstep.
-///
-/// Preconditions:
-///   0 ≤ eval arg4 < m
-///   0 ≤ eval arg5 < m
-/// Postconditions:
-///   out1 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then 1 - arg1 else 1 + arg1)
-///   twos_complement_eval out2 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then twos_complement_eval arg3 else twos_complement_eval arg2)
-///   twos_complement_eval out3 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then ⌊(twos_complement_eval arg3 - twos_complement_eval arg2) / 2⌋ else ⌊(twos_complement_eval arg3 + (twos_complement_eval arg3 mod 2) * twos_complement_eval arg2) / 2⌋)
-///   eval (from_montgomery out4) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (2 * eval (from_montgomery arg5)) mod m else (2 * eval (from_montgomery arg4)) mod m)
-///   eval (from_montgomery out5) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (eval (from_montgomery arg4) - eval (from_montgomery arg4)) mod m else (eval (from_montgomery arg5) + (twos_complement_eval arg3 mod 2) * eval (from_montgomery arg4)) mod m)
-///   0 ≤ eval out5 < m
-///   0 ≤ eval out5 < m
-///   0 ≤ eval out2 < m
-///   0 ≤ eval out3 < m
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0xffffffffffffffff]
-///   arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-///   arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-///   arg4: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-///   arg5: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffffffffffff]
-///   out2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-///   out3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-///   out4: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-///   out5: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-#[inline]
-pub fn fiat_secp256k1_divstep(out1: &mut u64, out2: &mut [u64; 5], out3: &mut [u64; 5], out4: &mut [u64; 4], out5: &mut [u64; 4], arg1: u64, arg2: &[u64; 5], arg3: &[u64; 5], arg4: &[u64; 4], arg5: &[u64; 4]) -> () {
-  let mut x1: u64 = 0;
-  let mut x2: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x1, &mut x2, 0x0, (!arg1), (0x1 as u64));
-  let x3: fiat_secp256k1_u1 = (((x1 >> 63) as fiat_secp256k1_u1) & (((arg3[0]) & (0x1 as u64)) as fiat_secp256k1_u1));
-  let mut x4: u64 = 0;
-  let mut x5: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x4, &mut x5, 0x0, (!arg1), (0x1 as u64));
-  let mut x6: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x6, x3, arg1, x4);
-  let mut x7: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x7, x3, (arg2[0]), (arg3[0]));
-  let mut x8: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x8, x3, (arg2[1]), (arg3[1]));
-  let mut x9: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x9, x3, (arg2[2]), (arg3[2]));
-  let mut x10: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x10, x3, (arg2[3]), (arg3[3]));
-  let mut x11: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x11, x3, (arg2[4]), (arg3[4]));
-  let mut x12: u64 = 0;
-  let mut x13: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x12, &mut x13, 0x0, (0x1 as u64), (!(arg2[0])));
-  let mut x14: u64 = 0;
-  let mut x15: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x14, &mut x15, x13, (0x0 as u64), (!(arg2[1])));
-  let mut x16: u64 = 0;
-  let mut x17: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x16, &mut x17, x15, (0x0 as u64), (!(arg2[2])));
-  let mut x18: u64 = 0;
-  let mut x19: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x18, &mut x19, x17, (0x0 as u64), (!(arg2[3])));
-  let mut x20: u64 = 0;
-  let mut x21: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x20, &mut x21, x19, (0x0 as u64), (!(arg2[4])));
-  let mut x22: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x22, x3, (arg3[0]), x12);
-  let mut x23: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x23, x3, (arg3[1]), x14);
-  let mut x24: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x24, x3, (arg3[2]), x16);
-  let mut x25: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x25, x3, (arg3[3]), x18);
-  let mut x26: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x26, x3, (arg3[4]), x20);
-  let mut x27: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x27, x3, (arg4[0]), (arg5[0]));
-  let mut x28: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x28, x3, (arg4[1]), (arg5[1]));
-  let mut x29: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x29, x3, (arg4[2]), (arg5[2]));
-  let mut x30: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x30, x3, (arg4[3]), (arg5[3]));
-  let mut x31: u64 = 0;
-  let mut x32: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x31, &mut x32, 0x0, x27, x27);
-  let mut x33: u64 = 0;
-  let mut x34: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x33, &mut x34, x32, x28, x28);
-  let mut x35: u64 = 0;
-  let mut x36: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x35, &mut x36, x34, x29, x29);
-  let mut x37: u64 = 0;
-  let mut x38: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x37, &mut x38, x36, x30, x30);
-  let mut x39: u64 = 0;
-  let mut x40: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x39, &mut x40, 0x0, x31, 0xfffffffefffffc2f);
-  let mut x41: u64 = 0;
-  let mut x42: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x41, &mut x42, x40, x33, 0xffffffffffffffff);
-  let mut x43: u64 = 0;
-  let mut x44: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x43, &mut x44, x42, x35, 0xffffffffffffffff);
-  let mut x45: u64 = 0;
-  let mut x46: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x45, &mut x46, x44, x37, 0xffffffffffffffff);
-  let mut x47: u64 = 0;
-  let mut x48: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x47, &mut x48, x46, (x38 as u64), (0x0 as u64));
-  let x49: u64 = (arg4[3]);
-  let x50: u64 = (arg4[2]);
-  let x51: u64 = (arg4[1]);
-  let x52: u64 = (arg4[0]);
-  let mut x53: u64 = 0;
-  let mut x54: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x53, &mut x54, 0x0, (0x0 as u64), x52);
-  let mut x55: u64 = 0;
-  let mut x56: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x55, &mut x56, x54, (0x0 as u64), x51);
-  let mut x57: u64 = 0;
-  let mut x58: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x57, &mut x58, x56, (0x0 as u64), x50);
-  let mut x59: u64 = 0;
-  let mut x60: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x59, &mut x60, x58, (0x0 as u64), x49);
-  let mut x61: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x61, x60, (0x0 as u64), 0xffffffffffffffff);
-  let mut x62: u64 = 0;
-  let mut x63: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x62, &mut x63, 0x0, x53, (x61 & 0xfffffffefffffc2f));
-  let mut x64: u64 = 0;
-  let mut x65: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x64, &mut x65, x63, x55, x61);
-  let mut x66: u64 = 0;
-  let mut x67: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x66, &mut x67, x65, x57, x61);
-  let mut x68: u64 = 0;
-  let mut x69: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x68, &mut x69, x67, x59, x61);
-  let mut x70: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x70, x3, (arg5[0]), x62);
-  let mut x71: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x71, x3, (arg5[1]), x64);
-  let mut x72: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x72, x3, (arg5[2]), x66);
-  let mut x73: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x73, x3, (arg5[3]), x68);
-  let x74: fiat_secp256k1_u1 = ((x22 & (0x1 as u64)) as fiat_secp256k1_u1);
-  let mut x75: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x75, x74, (0x0 as u64), x7);
-  let mut x76: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x76, x74, (0x0 as u64), x8);
-  let mut x77: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x77, x74, (0x0 as u64), x9);
-  let mut x78: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x78, x74, (0x0 as u64), x10);
-  let mut x79: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x79, x74, (0x0 as u64), x11);
-  let mut x80: u64 = 0;
-  let mut x81: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x80, &mut x81, 0x0, x22, x75);
-  let mut x82: u64 = 0;
-  let mut x83: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x82, &mut x83, x81, x23, x76);
-  let mut x84: u64 = 0;
-  let mut x85: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x84, &mut x85, x83, x24, x77);
-  let mut x86: u64 = 0;
-  let mut x87: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x86, &mut x87, x85, x25, x78);
-  let mut x88: u64 = 0;
-  let mut x89: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x88, &mut x89, x87, x26, x79);
-  let mut x90: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x90, x74, (0x0 as u64), x27);
-  let mut x91: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x91, x74, (0x0 as u64), x28);
-  let mut x92: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x92, x74, (0x0 as u64), x29);
-  let mut x93: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x93, x74, (0x0 as u64), x30);
-  let mut x94: u64 = 0;
-  let mut x95: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x94, &mut x95, 0x0, x70, x90);
-  let mut x96: u64 = 0;
-  let mut x97: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x96, &mut x97, x95, x71, x91);
-  let mut x98: u64 = 0;
-  let mut x99: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x98, &mut x99, x97, x72, x92);
-  let mut x100: u64 = 0;
-  let mut x101: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x100, &mut x101, x99, x73, x93);
-  let mut x102: u64 = 0;
-  let mut x103: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x102, &mut x103, 0x0, x94, 0xfffffffefffffc2f);
-  let mut x104: u64 = 0;
-  let mut x105: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x104, &mut x105, x103, x96, 0xffffffffffffffff);
-  let mut x106: u64 = 0;
-  let mut x107: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x106, &mut x107, x105, x98, 0xffffffffffffffff);
-  let mut x108: u64 = 0;
-  let mut x109: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x108, &mut x109, x107, x100, 0xffffffffffffffff);
-  let mut x110: u64 = 0;
-  let mut x111: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_subborrowx_u64(&mut x110, &mut x111, x109, (x101 as u64), (0x0 as u64));
-  let mut x112: u64 = 0;
-  let mut x113: fiat_secp256k1_u1 = 0;
-  fiat_secp256k1_addcarryx_u64(&mut x112, &mut x113, 0x0, x6, (0x1 as u64));
-  let x114: u64 = ((x80 >> 1) | ((x82 << 63) & 0xffffffffffffffff));
-  let x115: u64 = ((x82 >> 1) | ((x84 << 63) & 0xffffffffffffffff));
-  let x116: u64 = ((x84 >> 1) | ((x86 << 63) & 0xffffffffffffffff));
-  let x117: u64 = ((x86 >> 1) | ((x88 << 63) & 0xffffffffffffffff));
-  let x118: u64 = ((x88 & 0x8000000000000000) | (x88 >> 1));
-  let mut x119: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x119, x48, x39, x31);
-  let mut x120: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x120, x48, x41, x33);
-  let mut x121: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x121, x48, x43, x35);
-  let mut x122: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x122, x48, x45, x37);
-  let mut x123: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x123, x111, x102, x94);
-  let mut x124: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x124, x111, x104, x96);
-  let mut x125: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x125, x111, x106, x98);
-  let mut x126: u64 = 0;
-  fiat_secp256k1_cmovznz_u64(&mut x126, x111, x108, x100);
-  *out1 = x112;
-  out2[0] = x7;
-  out2[1] = x8;
-  out2[2] = x9;
-  out2[3] = x10;
-  out2[4] = x11;
-  out3[0] = x114;
-  out3[1] = x115;
-  out3[2] = x116;
-  out3[3] = x117;
-  out3[4] = x118;
-  out4[0] = x119;
-  out4[1] = x120;
-  out4[2] = x121;
-  out4[3] = x122;
-  out5[0] = x123;
-  out5[1] = x124;
-  out5[2] = x125;
-  out5[3] = x126;
-}
-
-/// The function fiat_secp256k1_divstep_precomp returns the precomputed value for Bernstein-Yang-inversion (in montgomery form).
-///
-/// Postconditions:
-///   eval (from_montgomery out1) = ⌊(m - 1) / 2⌋^(if ⌊log2 m⌋ + 1 < 46 then ⌊(49 * (⌊log2 m⌋ + 1) + 80) / 17⌋ else ⌊(49 * (⌊log2 m⌋ + 1) + 57) / 17⌋)
-///   0 ≤ eval out1 < m
-///
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-#[inline]
-pub fn fiat_secp256k1_divstep_precomp(out1: &mut [u64; 4]) -> () {
-  out1[0] = 0xf201a41831525e0a;
-  out1[1] = 0x9953f9ddcd648d85;
-  out1[2] = 0xe86029463db210a9;
-  out1[3] = 0x24fb8a3104b03709;
-}
diff --git a/vendor/fiat-crypto/src/secp256k1_dettman_64.rs b/vendor/fiat-crypto/src/secp256k1_dettman_64.rs
new file mode 100644
index 000000000..7a9fe4c27
--- /dev/null
+++ b/vendor/fiat-crypto/src/secp256k1_dettman_64.rs
@@ -0,0 +1,124 @@
+//! Autogenerated: 'src/ExtractionOCaml/dettman_multiplication' --lang Rust --inline secp256k1_dettman 64 5 48 '2^256 - 4294968273' mul square
+//! curve description: secp256k1_dettman
+//! machine_wordsize = 64 (from "64")
+//! requested operations: mul, square
+//! n = 5 (from "5")
+//! last_limb_width = 48 (from "48")
+//! s-c = 2^256 - [(1, 4294968273)] (from "2^256 - 4294968273")
+//! inbounds_multiplier: None (from "")
+//!
+//! Computed values:
+//!
+//!
+
+#![allow(unused_parens)]
+#![allow(non_camel_case_types)]
+
+
+
+/// The function fiat_secp256k1_dettman_mul multiplies two field elements.
+///
+/// Postconditions:
+///   eval out1 mod 115792089237316195423570985008687907853269984665640564039457584007908834671663 = (eval arg1 * eval arg2) mod 115792089237316195423570985008687907853269984665640564039457584007908834671663
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1fffffffffffe]]
+///   arg2: [[0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1fffffffffffe]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x17fffffffffff]]
+#[inline]
+pub fn fiat_secp256k1_dettman_mul(out1: &mut [u64; 5], arg1: &[u64; 5], arg2: &[u64; 5]) -> () {
+  let x1: u128 = (((arg1[4]) as u128) * ((arg2[4]) as u128));
+  let x2: u64 = ((x1 >> 52) as u64);
+  let x3: u64 = ((x1 & (0xfffffffffffff as u128)) as u64);
+  let x4: u128 = (((((arg1[0]) as u128) * ((arg2[3]) as u128)) + ((((arg1[1]) as u128) * ((arg2[2]) as u128)) + ((((arg1[2]) as u128) * ((arg2[1]) as u128)) + (((arg1[3]) as u128) * ((arg2[0]) as u128))))) + ((x3 as u128) * (0x1000003d10 as u128)));
+  let x5: u64 = ((x4 >> 52) as u64);
+  let x6: u64 = ((x4 & (0xfffffffffffff as u128)) as u64);
+  let x7: u128 = ((((((arg1[0]) as u128) * ((arg2[4]) as u128)) + ((((arg1[1]) as u128) * ((arg2[3]) as u128)) + ((((arg1[2]) as u128) * ((arg2[2]) as u128)) + ((((arg1[3]) as u128) * ((arg2[1]) as u128)) + (((arg1[4]) as u128) * ((arg2[0]) as u128)))))) + (x5 as u128)) + ((x2 as u128) * (0x1000003d10 as u128)));
+  let x8: u64 = ((x7 >> 52) as u64);
+  let x9: u64 = ((x7 & (0xfffffffffffff as u128)) as u64);
+  let x10: u64 = (x9 >> 48);
+  let x11: u64 = (x9 & 0xffffffffffff);
+  let x12: u128 = (((((arg1[1]) as u128) * ((arg2[4]) as u128)) + ((((arg1[2]) as u128) * ((arg2[3]) as u128)) + ((((arg1[3]) as u128) * ((arg2[2]) as u128)) + (((arg1[4]) as u128) * ((arg2[1]) as u128))))) + (x8 as u128));
+  let x13: u64 = ((x12 >> 52) as u64);
+  let x14: u64 = ((x12 & (0xfffffffffffff as u128)) as u64);
+  let x15: u128 = ((((arg1[0]) as u128) * ((arg2[0]) as u128)) + ((((x14 << 4) + x10) as u128) * (0x1000003d1 as u128)));
+  let x16: u64 = ((x15 >> 52) as u64);
+  let x17: u64 = ((x15 & (0xfffffffffffff as u128)) as u64);
+  let x18: u128 = (((((arg1[2]) as u128) * ((arg2[4]) as u128)) + ((((arg1[3]) as u128) * ((arg2[3]) as u128)) + (((arg1[4]) as u128) * ((arg2[2]) as u128)))) + (x13 as u128));
+  let x19: u64 = ((x18 >> 52) as u64);
+  let x20: u64 = ((x18 & (0xfffffffffffff as u128)) as u64);
+  let x21: u128 = ((((((arg1[0]) as u128) * ((arg2[1]) as u128)) + (((arg1[1]) as u128) * ((arg2[0]) as u128))) + (x16 as u128)) + ((x20 as u128) * (0x1000003d10 as u128)));
+  let x22: u64 = ((x21 >> 52) as u64);
+  let x23: u64 = ((x21 & (0xfffffffffffff as u128)) as u64);
+  let x24: u128 = (((((arg1[3]) as u128) * ((arg2[4]) as u128)) + (((arg1[4]) as u128) * ((arg2[3]) as u128))) + (x19 as u128));
+  let x25: u64 = ((x24 >> 52) as u64);
+  let x26: u64 = ((x24 & (0xfffffffffffff as u128)) as u64);
+  let x27: u128 = ((((((arg1[0]) as u128) * ((arg2[2]) as u128)) + ((((arg1[1]) as u128) * ((arg2[1]) as u128)) + (((arg1[2]) as u128) * ((arg2[0]) as u128)))) + (x22 as u128)) + ((x26 as u128) * (0x1000003d10 as u128)));
+  let x28: u64 = ((x27 >> 52) as u64);
+  let x29: u64 = ((x27 & (0xfffffffffffff as u128)) as u64);
+  let x30: u128 = (((x6 + x28) as u128) + ((x25 as u128) * (0x1000003d10 as u128)));
+  let x31: u64 = ((x30 >> 52) as u64);
+  let x32: u64 = ((x30 & (0xfffffffffffff as u128)) as u64);
+  let x33: u64 = (x11 + x31);
+  out1[0] = x17;
+  out1[1] = x23;
+  out1[2] = x29;
+  out1[3] = x32;
+  out1[4] = x33;
+}
+
+/// The function fiat_secp256k1_dettman_square squares a field element.
+///
+/// Postconditions:
+///   eval out1 mod 115792089237316195423570985008687907853269984665640564039457584007908834671663 = (eval arg1 * eval arg1) mod 115792089237316195423570985008687907853269984665640564039457584007908834671663
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1fffffffffffe]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x1ffffffffffffe], [0x0 ~> 0x17fffffffffff]]
+#[inline]
+pub fn fiat_secp256k1_dettman_square(out1: &mut [u64; 5], arg1: &[u64; 5]) -> () {
+  let x1: u64 = ((arg1[3]) * 0x2);
+  let x2: u64 = ((arg1[2]) * 0x2);
+  let x3: u64 = ((arg1[1]) * 0x2);
+  let x4: u64 = ((arg1[0]) * 0x2);
+  let x5: u128 = (((arg1[4]) as u128) * ((arg1[4]) as u128));
+  let x6: u64 = ((x5 >> 52) as u64);
+  let x7: u64 = ((x5 & (0xfffffffffffff as u128)) as u64);
+  let x8: u128 = ((((x4 as u128) * ((arg1[3]) as u128)) + ((x3 as u128) * ((arg1[2]) as u128))) + ((x7 as u128) * (0x1000003d10 as u128)));
+  let x9: u64 = ((x8 >> 52) as u64);
+  let x10: u64 = ((x8 & (0xfffffffffffff as u128)) as u64);
+  let x11: u128 = (((((x4 as u128) * ((arg1[4]) as u128)) + (((x3 as u128) * ((arg1[3]) as u128)) + (((arg1[2]) as u128) * ((arg1[2]) as u128)))) + (x9 as u128)) + ((x6 as u128) * (0x1000003d10 as u128)));
+  let x12: u64 = ((x11 >> 52) as u64);
+  let x13: u64 = ((x11 & (0xfffffffffffff as u128)) as u64);
+  let x14: u64 = (x13 >> 48);
+  let x15: u64 = (x13 & 0xffffffffffff);
+  let x16: u128 = ((((x3 as u128) * ((arg1[4]) as u128)) + ((x2 as u128) * ((arg1[3]) as u128))) + (x12 as u128));
+  let x17: u64 = ((x16 >> 52) as u64);
+  let x18: u64 = ((x16 & (0xfffffffffffff as u128)) as u64);
+  let x19: u128 = ((((arg1[0]) as u128) * ((arg1[0]) as u128)) + ((((x18 << 4) + x14) as u128) * (0x1000003d1 as u128)));
+  let x20: u64 = ((x19 >> 52) as u64);
+  let x21: u64 = ((x19 & (0xfffffffffffff as u128)) as u64);
+  let x22: u128 = ((((x2 as u128) * ((arg1[4]) as u128)) + (((arg1[3]) as u128) * ((arg1[3]) as u128))) + (x17 as u128));
+  let x23: u64 = ((x22 >> 52) as u64);
+  let x24: u64 = ((x22 & (0xfffffffffffff as u128)) as u64);
+  let x25: u128 = ((((x4 as u128) * ((arg1[1]) as u128)) + (x20 as u128)) + ((x24 as u128) * (0x1000003d10 as u128)));
+  let x26: u64 = ((x25 >> 52) as u64);
+  let x27: u64 = ((x25 & (0xfffffffffffff as u128)) as u64);
+  let x28: u128 = (((x1 as u128) * ((arg1[4]) as u128)) + (x23 as u128));
+  let x29: u64 = ((x28 >> 52) as u64);
+  let x30: u64 = ((x28 & (0xfffffffffffff as u128)) as u64);
+  let x31: u128 = (((((x4 as u128) * ((arg1[2]) as u128)) + (((arg1[1]) as u128) * ((arg1[1]) as u128))) + (x26 as u128)) + ((x30 as u128) * (0x1000003d10 as u128)));
+  let x32: u64 = ((x31 >> 52) as u64);
+  let x33: u64 = ((x31 & (0xfffffffffffff as u128)) as u64);
+  let x34: u128 = (((x10 + x32) as u128) + ((x29 as u128) * (0x1000003d10 as u128)));
+  let x35: u64 = ((x34 >> 52) as u64);
+  let x36: u64 = ((x34 & (0xfffffffffffff as u128)) as u64);
+  let x37: u64 = (x15 + x35);
+  out1[0] = x21;
+  out1[1] = x27;
+  out1[2] = x33;
+  out1[3] = x36;
+  out1[4] = x37;
+}
diff --git a/vendor/fiat-crypto/src/secp256k1_montgomery_32.rs b/vendor/fiat-crypto/src/secp256k1_montgomery_32.rs
new file mode 100644
index 000000000..9d0024faf
--- /dev/null
+++ b/vendor/fiat-crypto/src/secp256k1_montgomery_32.rs
@@ -0,0 +1,5337 @@
+//! Autogenerated: 'src/ExtractionOCaml/word_by_word_montgomery' --lang Rust --inline secp256k1_montgomery 32 '2^256 - 2^32 - 977' mul square add sub opp from_montgomery to_montgomery nonzero selectznz to_bytes from_bytes one msat divstep divstep_precomp
+//! curve description: secp256k1_montgomery
+//! machine_wordsize = 32 (from "32")
+//! requested operations: mul, square, add, sub, opp, from_montgomery, to_montgomery, nonzero, selectznz, to_bytes, from_bytes, one, msat, divstep, divstep_precomp
+//! m = 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f (from "2^256 - 2^32 - 977")
+//!
+//! NOTE: In addition to the bounds specified above each function, all
+//!   functions synthesized for this Montgomery arithmetic require the
+//!   input to be strictly less than the prime modulus (m), and also
+//!   require the input to be in the unique saturated representation.
+//!   All functions also ensure that these two properties are true of
+//!   return values.
+//!
+//! Computed values:
+//!   eval z = z[0] + (z[1] << 32) + (z[2] << 64) + (z[3] << 96) + (z[4] << 128) + (z[5] << 160) + (z[6] << 192) + (z[7] << 224)
+//!   bytes_eval z = z[0] + (z[1] << 8) + (z[2] << 16) + (z[3] << 24) + (z[4] << 32) + (z[5] << 40) + (z[6] << 48) + (z[7] << 56) + (z[8] << 64) + (z[9] << 72) + (z[10] << 80) + (z[11] << 88) + (z[12] << 96) + (z[13] << 104) + (z[14] << 112) + (z[15] << 120) + (z[16] << 128) + (z[17] << 136) + (z[18] << 144) + (z[19] << 152) + (z[20] << 160) + (z[21] << 168) + (z[22] << 176) + (z[23] << 184) + (z[24] << 192) + (z[25] << 200) + (z[26] << 208) + (z[27] << 216) + (z[28] << 224) + (z[29] << 232) + (z[30] << 240) + (z[31] << 248)
+//!   twos_complement_eval z = let x1 := z[0] + (z[1] << 32) + (z[2] << 64) + (z[3] << 96) + (z[4] << 128) + (z[5] << 160) + (z[6] << 192) + (z[7] << 224) in
+//!                            if x1 & (2^256-1) < 2^255 then x1 & (2^256-1) else (x1 & (2^256-1)) - 2^256
+
+#![allow(unused_parens)]
+#![allow(non_camel_case_types)]
+
+pub type fiat_secp256k1_montgomery_u1 = u8;
+pub type fiat_secp256k1_montgomery_i1 = i8;
+pub type fiat_secp256k1_montgomery_u2 = u8;
+pub type fiat_secp256k1_montgomery_i2 = i8;
+
+/* The type fiat_secp256k1_montgomery_montgomery_domain_field_element is a field element in the Montgomery domain. */
+/* Bounds: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]] */
+pub type fiat_secp256k1_montgomery_montgomery_domain_field_element = [u32; 8];
+
+/* The type fiat_secp256k1_montgomery_non_montgomery_domain_field_element is a field element NOT in the Montgomery domain. */
+/* Bounds: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]] */
+pub type fiat_secp256k1_montgomery_non_montgomery_domain_field_element = [u32; 8];
+
+
+/// The function fiat_secp256k1_montgomery_addcarryx_u32 is an addition with carry.
+///
+/// Postconditions:
+///   out1 = (arg1 + arg2 + arg3) mod 2^32
+///   out2 = ⌊(arg1 + arg2 + arg3) / 2^32⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffff]
+///   arg3: [0x0 ~> 0xffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffff]
+///   out2: [0x0 ~> 0x1]
+#[inline]
+pub fn fiat_secp256k1_montgomery_addcarryx_u32(out1: &mut u32, out2: &mut fiat_secp256k1_montgomery_u1, arg1: fiat_secp256k1_montgomery_u1, arg2: u32, arg3: u32) -> () {
+  let x1: u64 = (((arg1 as u64) + (arg2 as u64)) + (arg3 as u64));
+  let x2: u32 = ((x1 & (0xffffffff as u64)) as u32);
+  let x3: fiat_secp256k1_montgomery_u1 = ((x1 >> 32) as fiat_secp256k1_montgomery_u1);
+  *out1 = x2;
+  *out2 = x3;
+}
+
+/// The function fiat_secp256k1_montgomery_subborrowx_u32 is a subtraction with borrow.
+///
+/// Postconditions:
+///   out1 = (-arg1 + arg2 + -arg3) mod 2^32
+///   out2 = -⌊(-arg1 + arg2 + -arg3) / 2^32⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffff]
+///   arg3: [0x0 ~> 0xffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffff]
+///   out2: [0x0 ~> 0x1]
+#[inline]
+pub fn fiat_secp256k1_montgomery_subborrowx_u32(out1: &mut u32, out2: &mut fiat_secp256k1_montgomery_u1, arg1: fiat_secp256k1_montgomery_u1, arg2: u32, arg3: u32) -> () {
+  let x1: i64 = (((arg2 as i64) - (arg1 as i64)) - (arg3 as i64));
+  let x2: fiat_secp256k1_montgomery_i1 = ((x1 >> 32) as fiat_secp256k1_montgomery_i1);
+  let x3: u32 = ((x1 & (0xffffffff as i64)) as u32);
+  *out1 = x3;
+  *out2 = (((0x0 as fiat_secp256k1_montgomery_i2) - (x2 as fiat_secp256k1_montgomery_i2)) as fiat_secp256k1_montgomery_u1);
+}
+
+/// The function fiat_secp256k1_montgomery_mulx_u32 is a multiplication, returning the full double-width result.
+///
+/// Postconditions:
+///   out1 = (arg1 * arg2) mod 2^32
+///   out2 = ⌊arg1 * arg2 / 2^32⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0xffffffff]
+///   arg2: [0x0 ~> 0xffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffff]
+///   out2: [0x0 ~> 0xffffffff]
+#[inline]
+pub fn fiat_secp256k1_montgomery_mulx_u32(out1: &mut u32, out2: &mut u32, arg1: u32, arg2: u32) -> () {
+  let x1: u64 = ((arg1 as u64) * (arg2 as u64));
+  let x2: u32 = ((x1 & (0xffffffff as u64)) as u32);
+  let x3: u32 = ((x1 >> 32) as u32);
+  *out1 = x2;
+  *out2 = x3;
+}
+
+/// The function fiat_secp256k1_montgomery_cmovznz_u32 is a single-word conditional move.
+///
+/// Postconditions:
+///   out1 = (if arg1 = 0 then arg2 else arg3)
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffff]
+///   arg3: [0x0 ~> 0xffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffff]
+#[inline]
+pub fn fiat_secp256k1_montgomery_cmovznz_u32(out1: &mut u32, arg1: fiat_secp256k1_montgomery_u1, arg2: u32, arg3: u32) -> () {
+  let x1: fiat_secp256k1_montgomery_u1 = (!(!arg1));
+  let x2: u32 = ((((((0x0 as fiat_secp256k1_montgomery_i2) - (x1 as fiat_secp256k1_montgomery_i2)) as fiat_secp256k1_montgomery_i1) as i64) & (0xffffffff as i64)) as u32);
+  let x3: u32 = ((x2 & arg3) | ((!x2) & arg2));
+  *out1 = x3;
+}
+
+/// The function fiat_secp256k1_montgomery_mul multiplies two field elements in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+///   0 ≤ eval arg2 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_mul(out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_montgomery_domain_field_element) -> () {
+  let x1: u32 = (arg1[1]);
+  let x2: u32 = (arg1[2]);
+  let x3: u32 = (arg1[3]);
+  let x4: u32 = (arg1[4]);
+  let x5: u32 = (arg1[5]);
+  let x6: u32 = (arg1[6]);
+  let x7: u32 = (arg1[7]);
+  let x8: u32 = (arg1[0]);
+  let mut x9: u32 = 0;
+  let mut x10: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x9, &mut x10, x8, (arg2[7]));
+  let mut x11: u32 = 0;
+  let mut x12: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x11, &mut x12, x8, (arg2[6]));
+  let mut x13: u32 = 0;
+  let mut x14: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x13, &mut x14, x8, (arg2[5]));
+  let mut x15: u32 = 0;
+  let mut x16: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x15, &mut x16, x8, (arg2[4]));
+  let mut x17: u32 = 0;
+  let mut x18: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x17, &mut x18, x8, (arg2[3]));
+  let mut x19: u32 = 0;
+  let mut x20: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x19, &mut x20, x8, (arg2[2]));
+  let mut x21: u32 = 0;
+  let mut x22: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x21, &mut x22, x8, (arg2[1]));
+  let mut x23: u32 = 0;
+  let mut x24: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x23, &mut x24, x8, (arg2[0]));
+  let mut x25: u32 = 0;
+  let mut x26: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x25, &mut x26, 0x0, x24, x21);
+  let mut x27: u32 = 0;
+  let mut x28: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x27, &mut x28, x26, x22, x19);
+  let mut x29: u32 = 0;
+  let mut x30: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x29, &mut x30, x28, x20, x17);
+  let mut x31: u32 = 0;
+  let mut x32: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x31, &mut x32, x30, x18, x15);
+  let mut x33: u32 = 0;
+  let mut x34: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x33, &mut x34, x32, x16, x13);
+  let mut x35: u32 = 0;
+  let mut x36: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x35, &mut x36, x34, x14, x11);
+  let mut x37: u32 = 0;
+  let mut x38: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x37, &mut x38, x36, x12, x9);
+  let x39: u32 = ((x38 as u32) + x10);
+  let mut x40: u32 = 0;
+  let mut x41: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x40, &mut x41, x23, 0xd2253531);
+  let mut x42: u32 = 0;
+  let mut x43: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x42, &mut x43, x40, 0xffffffff);
+  let mut x44: u32 = 0;
+  let mut x45: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x44, &mut x45, x40, 0xffffffff);
+  let mut x46: u32 = 0;
+  let mut x47: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x46, &mut x47, x40, 0xffffffff);
+  let mut x48: u32 = 0;
+  let mut x49: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x48, &mut x49, x40, 0xffffffff);
+  let mut x50: u32 = 0;
+  let mut x51: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x50, &mut x51, x40, 0xffffffff);
+  let mut x52: u32 = 0;
+  let mut x53: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x52, &mut x53, x40, 0xffffffff);
+  let mut x54: u32 = 0;
+  let mut x55: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x54, &mut x55, x40, 0xfffffffe);
+  let mut x56: u32 = 0;
+  let mut x57: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x56, &mut x57, x40, 0xfffffc2f);
+  let mut x58: u32 = 0;
+  let mut x59: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x58, &mut x59, 0x0, x57, x54);
+  let mut x60: u32 = 0;
+  let mut x61: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x60, &mut x61, x59, x55, x52);
+  let mut x62: u32 = 0;
+  let mut x63: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x62, &mut x63, x61, x53, x50);
+  let mut x64: u32 = 0;
+  let mut x65: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x64, &mut x65, x63, x51, x48);
+  let mut x66: u32 = 0;
+  let mut x67: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x66, &mut x67, x65, x49, x46);
+  let mut x68: u32 = 0;
+  let mut x69: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x68, &mut x69, x67, x47, x44);
+  let mut x70: u32 = 0;
+  let mut x71: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x70, &mut x71, x69, x45, x42);
+  let x72: u32 = ((x71 as u32) + x43);
+  let mut x73: u32 = 0;
+  let mut x74: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x73, &mut x74, 0x0, x23, x56);
+  let mut x75: u32 = 0;
+  let mut x76: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x75, &mut x76, x74, x25, x58);
+  let mut x77: u32 = 0;
+  let mut x78: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x77, &mut x78, x76, x27, x60);
+  let mut x79: u32 = 0;
+  let mut x80: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x79, &mut x80, x78, x29, x62);
+  let mut x81: u32 = 0;
+  let mut x82: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x81, &mut x82, x80, x31, x64);
+  let mut x83: u32 = 0;
+  let mut x84: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x83, &mut x84, x82, x33, x66);
+  let mut x85: u32 = 0;
+  let mut x86: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x85, &mut x86, x84, x35, x68);
+  let mut x87: u32 = 0;
+  let mut x88: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x87, &mut x88, x86, x37, x70);
+  let mut x89: u32 = 0;
+  let mut x90: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x89, &mut x90, x88, x39, x72);
+  let mut x91: u32 = 0;
+  let mut x92: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x91, &mut x92, x1, (arg2[7]));
+  let mut x93: u32 = 0;
+  let mut x94: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x93, &mut x94, x1, (arg2[6]));
+  let mut x95: u32 = 0;
+  let mut x96: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x95, &mut x96, x1, (arg2[5]));
+  let mut x97: u32 = 0;
+  let mut x98: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x97, &mut x98, x1, (arg2[4]));
+  let mut x99: u32 = 0;
+  let mut x100: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x99, &mut x100, x1, (arg2[3]));
+  let mut x101: u32 = 0;
+  let mut x102: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x101, &mut x102, x1, (arg2[2]));
+  let mut x103: u32 = 0;
+  let mut x104: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x103, &mut x104, x1, (arg2[1]));
+  let mut x105: u32 = 0;
+  let mut x106: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x105, &mut x106, x1, (arg2[0]));
+  let mut x107: u32 = 0;
+  let mut x108: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x107, &mut x108, 0x0, x106, x103);
+  let mut x109: u32 = 0;
+  let mut x110: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x109, &mut x110, x108, x104, x101);
+  let mut x111: u32 = 0;
+  let mut x112: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x111, &mut x112, x110, x102, x99);
+  let mut x113: u32 = 0;
+  let mut x114: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x113, &mut x114, x112, x100, x97);
+  let mut x115: u32 = 0;
+  let mut x116: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x115, &mut x116, x114, x98, x95);
+  let mut x117: u32 = 0;
+  let mut x118: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x117, &mut x118, x116, x96, x93);
+  let mut x119: u32 = 0;
+  let mut x120: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x119, &mut x120, x118, x94, x91);
+  let x121: u32 = ((x120 as u32) + x92);
+  let mut x122: u32 = 0;
+  let mut x123: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x122, &mut x123, 0x0, x75, x105);
+  let mut x124: u32 = 0;
+  let mut x125: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x124, &mut x125, x123, x77, x107);
+  let mut x126: u32 = 0;
+  let mut x127: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x126, &mut x127, x125, x79, x109);
+  let mut x128: u32 = 0;
+  let mut x129: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x128, &mut x129, x127, x81, x111);
+  let mut x130: u32 = 0;
+  let mut x131: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x130, &mut x131, x129, x83, x113);
+  let mut x132: u32 = 0;
+  let mut x133: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x132, &mut x133, x131, x85, x115);
+  let mut x134: u32 = 0;
+  let mut x135: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x134, &mut x135, x133, x87, x117);
+  let mut x136: u32 = 0;
+  let mut x137: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x136, &mut x137, x135, x89, x119);
+  let mut x138: u32 = 0;
+  let mut x139: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x138, &mut x139, x137, (x90 as u32), x121);
+  let mut x140: u32 = 0;
+  let mut x141: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x140, &mut x141, x122, 0xd2253531);
+  let mut x142: u32 = 0;
+  let mut x143: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x142, &mut x143, x140, 0xffffffff);
+  let mut x144: u32 = 0;
+  let mut x145: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x144, &mut x145, x140, 0xffffffff);
+  let mut x146: u32 = 0;
+  let mut x147: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x146, &mut x147, x140, 0xffffffff);
+  let mut x148: u32 = 0;
+  let mut x149: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x148, &mut x149, x140, 0xffffffff);
+  let mut x150: u32 = 0;
+  let mut x151: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x150, &mut x151, x140, 0xffffffff);
+  let mut x152: u32 = 0;
+  let mut x153: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x152, &mut x153, x140, 0xffffffff);
+  let mut x154: u32 = 0;
+  let mut x155: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x154, &mut x155, x140, 0xfffffffe);
+  let mut x156: u32 = 0;
+  let mut x157: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x156, &mut x157, x140, 0xfffffc2f);
+  let mut x158: u32 = 0;
+  let mut x159: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x158, &mut x159, 0x0, x157, x154);
+  let mut x160: u32 = 0;
+  let mut x161: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x160, &mut x161, x159, x155, x152);
+  let mut x162: u32 = 0;
+  let mut x163: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x162, &mut x163, x161, x153, x150);
+  let mut x164: u32 = 0;
+  let mut x165: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x164, &mut x165, x163, x151, x148);
+  let mut x166: u32 = 0;
+  let mut x167: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x166, &mut x167, x165, x149, x146);
+  let mut x168: u32 = 0;
+  let mut x169: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x168, &mut x169, x167, x147, x144);
+  let mut x170: u32 = 0;
+  let mut x171: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x170, &mut x171, x169, x145, x142);
+  let x172: u32 = ((x171 as u32) + x143);
+  let mut x173: u32 = 0;
+  let mut x174: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x173, &mut x174, 0x0, x122, x156);
+  let mut x175: u32 = 0;
+  let mut x176: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x175, &mut x176, x174, x124, x158);
+  let mut x177: u32 = 0;
+  let mut x178: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x177, &mut x178, x176, x126, x160);
+  let mut x179: u32 = 0;
+  let mut x180: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x179, &mut x180, x178, x128, x162);
+  let mut x181: u32 = 0;
+  let mut x182: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x181, &mut x182, x180, x130, x164);
+  let mut x183: u32 = 0;
+  let mut x184: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x183, &mut x184, x182, x132, x166);
+  let mut x185: u32 = 0;
+  let mut x186: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x185, &mut x186, x184, x134, x168);
+  let mut x187: u32 = 0;
+  let mut x188: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x187, &mut x188, x186, x136, x170);
+  let mut x189: u32 = 0;
+  let mut x190: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x189, &mut x190, x188, x138, x172);
+  let x191: u32 = ((x190 as u32) + (x139 as u32));
+  let mut x192: u32 = 0;
+  let mut x193: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x192, &mut x193, x2, (arg2[7]));
+  let mut x194: u32 = 0;
+  let mut x195: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x194, &mut x195, x2, (arg2[6]));
+  let mut x196: u32 = 0;
+  let mut x197: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x196, &mut x197, x2, (arg2[5]));
+  let mut x198: u32 = 0;
+  let mut x199: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x198, &mut x199, x2, (arg2[4]));
+  let mut x200: u32 = 0;
+  let mut x201: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x200, &mut x201, x2, (arg2[3]));
+  let mut x202: u32 = 0;
+  let mut x203: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x202, &mut x203, x2, (arg2[2]));
+  let mut x204: u32 = 0;
+  let mut x205: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x204, &mut x205, x2, (arg2[1]));
+  let mut x206: u32 = 0;
+  let mut x207: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x206, &mut x207, x2, (arg2[0]));
+  let mut x208: u32 = 0;
+  let mut x209: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x208, &mut x209, 0x0, x207, x204);
+  let mut x210: u32 = 0;
+  let mut x211: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x210, &mut x211, x209, x205, x202);
+  let mut x212: u32 = 0;
+  let mut x213: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x212, &mut x213, x211, x203, x200);
+  let mut x214: u32 = 0;
+  let mut x215: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x214, &mut x215, x213, x201, x198);
+  let mut x216: u32 = 0;
+  let mut x217: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x216, &mut x217, x215, x199, x196);
+  let mut x218: u32 = 0;
+  let mut x219: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x218, &mut x219, x217, x197, x194);
+  let mut x220: u32 = 0;
+  let mut x221: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x220, &mut x221, x219, x195, x192);
+  let x222: u32 = ((x221 as u32) + x193);
+  let mut x223: u32 = 0;
+  let mut x224: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x223, &mut x224, 0x0, x175, x206);
+  let mut x225: u32 = 0;
+  let mut x226: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x225, &mut x226, x224, x177, x208);
+  let mut x227: u32 = 0;
+  let mut x228: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x227, &mut x228, x226, x179, x210);
+  let mut x229: u32 = 0;
+  let mut x230: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x229, &mut x230, x228, x181, x212);
+  let mut x231: u32 = 0;
+  let mut x232: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x231, &mut x232, x230, x183, x214);
+  let mut x233: u32 = 0;
+  let mut x234: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x233, &mut x234, x232, x185, x216);
+  let mut x235: u32 = 0;
+  let mut x236: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x235, &mut x236, x234, x187, x218);
+  let mut x237: u32 = 0;
+  let mut x238: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x237, &mut x238, x236, x189, x220);
+  let mut x239: u32 = 0;
+  let mut x240: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x239, &mut x240, x238, x191, x222);
+  let mut x241: u32 = 0;
+  let mut x242: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x241, &mut x242, x223, 0xd2253531);
+  let mut x243: u32 = 0;
+  let mut x244: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x243, &mut x244, x241, 0xffffffff);
+  let mut x245: u32 = 0;
+  let mut x246: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x245, &mut x246, x241, 0xffffffff);
+  let mut x247: u32 = 0;
+  let mut x248: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x247, &mut x248, x241, 0xffffffff);
+  let mut x249: u32 = 0;
+  let mut x250: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x249, &mut x250, x241, 0xffffffff);
+  let mut x251: u32 = 0;
+  let mut x252: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x251, &mut x252, x241, 0xffffffff);
+  let mut x253: u32 = 0;
+  let mut x254: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x253, &mut x254, x241, 0xffffffff);
+  let mut x255: u32 = 0;
+  let mut x256: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x255, &mut x256, x241, 0xfffffffe);
+  let mut x257: u32 = 0;
+  let mut x258: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x257, &mut x258, x241, 0xfffffc2f);
+  let mut x259: u32 = 0;
+  let mut x260: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x259, &mut x260, 0x0, x258, x255);
+  let mut x261: u32 = 0;
+  let mut x262: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x261, &mut x262, x260, x256, x253);
+  let mut x263: u32 = 0;
+  let mut x264: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x263, &mut x264, x262, x254, x251);
+  let mut x265: u32 = 0;
+  let mut x266: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x265, &mut x266, x264, x252, x249);
+  let mut x267: u32 = 0;
+  let mut x268: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x267, &mut x268, x266, x250, x247);
+  let mut x269: u32 = 0;
+  let mut x270: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x269, &mut x270, x268, x248, x245);
+  let mut x271: u32 = 0;
+  let mut x272: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x271, &mut x272, x270, x246, x243);
+  let x273: u32 = ((x272 as u32) + x244);
+  let mut x274: u32 = 0;
+  let mut x275: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x274, &mut x275, 0x0, x223, x257);
+  let mut x276: u32 = 0;
+  let mut x277: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x276, &mut x277, x275, x225, x259);
+  let mut x278: u32 = 0;
+  let mut x279: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x278, &mut x279, x277, x227, x261);
+  let mut x280: u32 = 0;
+  let mut x281: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x280, &mut x281, x279, x229, x263);
+  let mut x282: u32 = 0;
+  let mut x283: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x282, &mut x283, x281, x231, x265);
+  let mut x284: u32 = 0;
+  let mut x285: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x284, &mut x285, x283, x233, x267);
+  let mut x286: u32 = 0;
+  let mut x287: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x286, &mut x287, x285, x235, x269);
+  let mut x288: u32 = 0;
+  let mut x289: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x288, &mut x289, x287, x237, x271);
+  let mut x290: u32 = 0;
+  let mut x291: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x290, &mut x291, x289, x239, x273);
+  let x292: u32 = ((x291 as u32) + (x240 as u32));
+  let mut x293: u32 = 0;
+  let mut x294: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x293, &mut x294, x3, (arg2[7]));
+  let mut x295: u32 = 0;
+  let mut x296: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x295, &mut x296, x3, (arg2[6]));
+  let mut x297: u32 = 0;
+  let mut x298: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x297, &mut x298, x3, (arg2[5]));
+  let mut x299: u32 = 0;
+  let mut x300: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x299, &mut x300, x3, (arg2[4]));
+  let mut x301: u32 = 0;
+  let mut x302: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x301, &mut x302, x3, (arg2[3]));
+  let mut x303: u32 = 0;
+  let mut x304: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x303, &mut x304, x3, (arg2[2]));
+  let mut x305: u32 = 0;
+  let mut x306: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x305, &mut x306, x3, (arg2[1]));
+  let mut x307: u32 = 0;
+  let mut x308: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x307, &mut x308, x3, (arg2[0]));
+  let mut x309: u32 = 0;
+  let mut x310: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x309, &mut x310, 0x0, x308, x305);
+  let mut x311: u32 = 0;
+  let mut x312: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x311, &mut x312, x310, x306, x303);
+  let mut x313: u32 = 0;
+  let mut x314: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x313, &mut x314, x312, x304, x301);
+  let mut x315: u32 = 0;
+  let mut x316: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x315, &mut x316, x314, x302, x299);
+  let mut x317: u32 = 0;
+  let mut x318: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x317, &mut x318, x316, x300, x297);
+  let mut x319: u32 = 0;
+  let mut x320: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x319, &mut x320, x318, x298, x295);
+  let mut x321: u32 = 0;
+  let mut x322: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x321, &mut x322, x320, x296, x293);
+  let x323: u32 = ((x322 as u32) + x294);
+  let mut x324: u32 = 0;
+  let mut x325: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x324, &mut x325, 0x0, x276, x307);
+  let mut x326: u32 = 0;
+  let mut x327: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x326, &mut x327, x325, x278, x309);
+  let mut x328: u32 = 0;
+  let mut x329: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x328, &mut x329, x327, x280, x311);
+  let mut x330: u32 = 0;
+  let mut x331: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x330, &mut x331, x329, x282, x313);
+  let mut x332: u32 = 0;
+  let mut x333: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x332, &mut x333, x331, x284, x315);
+  let mut x334: u32 = 0;
+  let mut x335: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x334, &mut x335, x333, x286, x317);
+  let mut x336: u32 = 0;
+  let mut x337: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x336, &mut x337, x335, x288, x319);
+  let mut x338: u32 = 0;
+  let mut x339: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x338, &mut x339, x337, x290, x321);
+  let mut x340: u32 = 0;
+  let mut x341: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x340, &mut x341, x339, x292, x323);
+  let mut x342: u32 = 0;
+  let mut x343: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x342, &mut x343, x324, 0xd2253531);
+  let mut x344: u32 = 0;
+  let mut x345: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x344, &mut x345, x342, 0xffffffff);
+  let mut x346: u32 = 0;
+  let mut x347: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x346, &mut x347, x342, 0xffffffff);
+  let mut x348: u32 = 0;
+  let mut x349: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x348, &mut x349, x342, 0xffffffff);
+  let mut x350: u32 = 0;
+  let mut x351: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x350, &mut x351, x342, 0xffffffff);
+  let mut x352: u32 = 0;
+  let mut x353: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x352, &mut x353, x342, 0xffffffff);
+  let mut x354: u32 = 0;
+  let mut x355: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x354, &mut x355, x342, 0xffffffff);
+  let mut x356: u32 = 0;
+  let mut x357: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x356, &mut x357, x342, 0xfffffffe);
+  let mut x358: u32 = 0;
+  let mut x359: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x358, &mut x359, x342, 0xfffffc2f);
+  let mut x360: u32 = 0;
+  let mut x361: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x360, &mut x361, 0x0, x359, x356);
+  let mut x362: u32 = 0;
+  let mut x363: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x362, &mut x363, x361, x357, x354);
+  let mut x364: u32 = 0;
+  let mut x365: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x364, &mut x365, x363, x355, x352);
+  let mut x366: u32 = 0;
+  let mut x367: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x366, &mut x367, x365, x353, x350);
+  let mut x368: u32 = 0;
+  let mut x369: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x368, &mut x369, x367, x351, x348);
+  let mut x370: u32 = 0;
+  let mut x371: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x370, &mut x371, x369, x349, x346);
+  let mut x372: u32 = 0;
+  let mut x373: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x372, &mut x373, x371, x347, x344);
+  let x374: u32 = ((x373 as u32) + x345);
+  let mut x375: u32 = 0;
+  let mut x376: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x375, &mut x376, 0x0, x324, x358);
+  let mut x377: u32 = 0;
+  let mut x378: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x377, &mut x378, x376, x326, x360);
+  let mut x379: u32 = 0;
+  let mut x380: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x379, &mut x380, x378, x328, x362);
+  let mut x381: u32 = 0;
+  let mut x382: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x381, &mut x382, x380, x330, x364);
+  let mut x383: u32 = 0;
+  let mut x384: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x383, &mut x384, x382, x332, x366);
+  let mut x385: u32 = 0;
+  let mut x386: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x385, &mut x386, x384, x334, x368);
+  let mut x387: u32 = 0;
+  let mut x388: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x387, &mut x388, x386, x336, x370);
+  let mut x389: u32 = 0;
+  let mut x390: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x389, &mut x390, x388, x338, x372);
+  let mut x391: u32 = 0;
+  let mut x392: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x391, &mut x392, x390, x340, x374);
+  let x393: u32 = ((x392 as u32) + (x341 as u32));
+  let mut x394: u32 = 0;
+  let mut x395: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x394, &mut x395, x4, (arg2[7]));
+  let mut x396: u32 = 0;
+  let mut x397: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x396, &mut x397, x4, (arg2[6]));
+  let mut x398: u32 = 0;
+  let mut x399: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x398, &mut x399, x4, (arg2[5]));
+  let mut x400: u32 = 0;
+  let mut x401: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x400, &mut x401, x4, (arg2[4]));
+  let mut x402: u32 = 0;
+  let mut x403: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x402, &mut x403, x4, (arg2[3]));
+  let mut x404: u32 = 0;
+  let mut x405: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x404, &mut x405, x4, (arg2[2]));
+  let mut x406: u32 = 0;
+  let mut x407: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x406, &mut x407, x4, (arg2[1]));
+  let mut x408: u32 = 0;
+  let mut x409: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x408, &mut x409, x4, (arg2[0]));
+  let mut x410: u32 = 0;
+  let mut x411: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x410, &mut x411, 0x0, x409, x406);
+  let mut x412: u32 = 0;
+  let mut x413: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x412, &mut x413, x411, x407, x404);
+  let mut x414: u32 = 0;
+  let mut x415: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x414, &mut x415, x413, x405, x402);
+  let mut x416: u32 = 0;
+  let mut x417: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x416, &mut x417, x415, x403, x400);
+  let mut x418: u32 = 0;
+  let mut x419: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x418, &mut x419, x417, x401, x398);
+  let mut x420: u32 = 0;
+  let mut x421: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x420, &mut x421, x419, x399, x396);
+  let mut x422: u32 = 0;
+  let mut x423: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x422, &mut x423, x421, x397, x394);
+  let x424: u32 = ((x423 as u32) + x395);
+  let mut x425: u32 = 0;
+  let mut x426: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x425, &mut x426, 0x0, x377, x408);
+  let mut x427: u32 = 0;
+  let mut x428: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x427, &mut x428, x426, x379, x410);
+  let mut x429: u32 = 0;
+  let mut x430: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x429, &mut x430, x428, x381, x412);
+  let mut x431: u32 = 0;
+  let mut x432: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x431, &mut x432, x430, x383, x414);
+  let mut x433: u32 = 0;
+  let mut x434: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x433, &mut x434, x432, x385, x416);
+  let mut x435: u32 = 0;
+  let mut x436: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x435, &mut x436, x434, x387, x418);
+  let mut x437: u32 = 0;
+  let mut x438: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x437, &mut x438, x436, x389, x420);
+  let mut x439: u32 = 0;
+  let mut x440: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x439, &mut x440, x438, x391, x422);
+  let mut x441: u32 = 0;
+  let mut x442: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x441, &mut x442, x440, x393, x424);
+  let mut x443: u32 = 0;
+  let mut x444: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x443, &mut x444, x425, 0xd2253531);
+  let mut x445: u32 = 0;
+  let mut x446: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x445, &mut x446, x443, 0xffffffff);
+  let mut x447: u32 = 0;
+  let mut x448: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x447, &mut x448, x443, 0xffffffff);
+  let mut x449: u32 = 0;
+  let mut x450: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x449, &mut x450, x443, 0xffffffff);
+  let mut x451: u32 = 0;
+  let mut x452: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x451, &mut x452, x443, 0xffffffff);
+  let mut x453: u32 = 0;
+  let mut x454: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x453, &mut x454, x443, 0xffffffff);
+  let mut x455: u32 = 0;
+  let mut x456: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x455, &mut x456, x443, 0xffffffff);
+  let mut x457: u32 = 0;
+  let mut x458: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x457, &mut x458, x443, 0xfffffffe);
+  let mut x459: u32 = 0;
+  let mut x460: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x459, &mut x460, x443, 0xfffffc2f);
+  let mut x461: u32 = 0;
+  let mut x462: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x461, &mut x462, 0x0, x460, x457);
+  let mut x463: u32 = 0;
+  let mut x464: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x463, &mut x464, x462, x458, x455);
+  let mut x465: u32 = 0;
+  let mut x466: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x465, &mut x466, x464, x456, x453);
+  let mut x467: u32 = 0;
+  let mut x468: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x467, &mut x468, x466, x454, x451);
+  let mut x469: u32 = 0;
+  let mut x470: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x469, &mut x470, x468, x452, x449);
+  let mut x471: u32 = 0;
+  let mut x472: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x471, &mut x472, x470, x450, x447);
+  let mut x473: u32 = 0;
+  let mut x474: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x473, &mut x474, x472, x448, x445);
+  let x475: u32 = ((x474 as u32) + x446);
+  let mut x476: u32 = 0;
+  let mut x477: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x476, &mut x477, 0x0, x425, x459);
+  let mut x478: u32 = 0;
+  let mut x479: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x478, &mut x479, x477, x427, x461);
+  let mut x480: u32 = 0;
+  let mut x481: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x480, &mut x481, x479, x429, x463);
+  let mut x482: u32 = 0;
+  let mut x483: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x482, &mut x483, x481, x431, x465);
+  let mut x484: u32 = 0;
+  let mut x485: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x484, &mut x485, x483, x433, x467);
+  let mut x486: u32 = 0;
+  let mut x487: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x486, &mut x487, x485, x435, x469);
+  let mut x488: u32 = 0;
+  let mut x489: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x488, &mut x489, x487, x437, x471);
+  let mut x490: u32 = 0;
+  let mut x491: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x490, &mut x491, x489, x439, x473);
+  let mut x492: u32 = 0;
+  let mut x493: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x492, &mut x493, x491, x441, x475);
+  let x494: u32 = ((x493 as u32) + (x442 as u32));
+  let mut x495: u32 = 0;
+  let mut x496: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x495, &mut x496, x5, (arg2[7]));
+  let mut x497: u32 = 0;
+  let mut x498: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x497, &mut x498, x5, (arg2[6]));
+  let mut x499: u32 = 0;
+  let mut x500: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x499, &mut x500, x5, (arg2[5]));
+  let mut x501: u32 = 0;
+  let mut x502: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x501, &mut x502, x5, (arg2[4]));
+  let mut x503: u32 = 0;
+  let mut x504: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x503, &mut x504, x5, (arg2[3]));
+  let mut x505: u32 = 0;
+  let mut x506: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x505, &mut x506, x5, (arg2[2]));
+  let mut x507: u32 = 0;
+  let mut x508: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x507, &mut x508, x5, (arg2[1]));
+  let mut x509: u32 = 0;
+  let mut x510: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x509, &mut x510, x5, (arg2[0]));
+  let mut x511: u32 = 0;
+  let mut x512: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x511, &mut x512, 0x0, x510, x507);
+  let mut x513: u32 = 0;
+  let mut x514: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x513, &mut x514, x512, x508, x505);
+  let mut x515: u32 = 0;
+  let mut x516: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x515, &mut x516, x514, x506, x503);
+  let mut x517: u32 = 0;
+  let mut x518: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x517, &mut x518, x516, x504, x501);
+  let mut x519: u32 = 0;
+  let mut x520: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x519, &mut x520, x518, x502, x499);
+  let mut x521: u32 = 0;
+  let mut x522: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x521, &mut x522, x520, x500, x497);
+  let mut x523: u32 = 0;
+  let mut x524: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x523, &mut x524, x522, x498, x495);
+  let x525: u32 = ((x524 as u32) + x496);
+  let mut x526: u32 = 0;
+  let mut x527: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x526, &mut x527, 0x0, x478, x509);
+  let mut x528: u32 = 0;
+  let mut x529: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x528, &mut x529, x527, x480, x511);
+  let mut x530: u32 = 0;
+  let mut x531: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x530, &mut x531, x529, x482, x513);
+  let mut x532: u32 = 0;
+  let mut x533: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x532, &mut x533, x531, x484, x515);
+  let mut x534: u32 = 0;
+  let mut x535: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x534, &mut x535, x533, x486, x517);
+  let mut x536: u32 = 0;
+  let mut x537: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x536, &mut x537, x535, x488, x519);
+  let mut x538: u32 = 0;
+  let mut x539: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x538, &mut x539, x537, x490, x521);
+  let mut x540: u32 = 0;
+  let mut x541: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x540, &mut x541, x539, x492, x523);
+  let mut x542: u32 = 0;
+  let mut x543: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x542, &mut x543, x541, x494, x525);
+  let mut x544: u32 = 0;
+  let mut x545: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x544, &mut x545, x526, 0xd2253531);
+  let mut x546: u32 = 0;
+  let mut x547: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x546, &mut x547, x544, 0xffffffff);
+  let mut x548: u32 = 0;
+  let mut x549: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x548, &mut x549, x544, 0xffffffff);
+  let mut x550: u32 = 0;
+  let mut x551: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x550, &mut x551, x544, 0xffffffff);
+  let mut x552: u32 = 0;
+  let mut x553: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x552, &mut x553, x544, 0xffffffff);
+  let mut x554: u32 = 0;
+  let mut x555: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x554, &mut x555, x544, 0xffffffff);
+  let mut x556: u32 = 0;
+  let mut x557: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x556, &mut x557, x544, 0xffffffff);
+  let mut x558: u32 = 0;
+  let mut x559: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x558, &mut x559, x544, 0xfffffffe);
+  let mut x560: u32 = 0;
+  let mut x561: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x560, &mut x561, x544, 0xfffffc2f);
+  let mut x562: u32 = 0;
+  let mut x563: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x562, &mut x563, 0x0, x561, x558);
+  let mut x564: u32 = 0;
+  let mut x565: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x564, &mut x565, x563, x559, x556);
+  let mut x566: u32 = 0;
+  let mut x567: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x566, &mut x567, x565, x557, x554);
+  let mut x568: u32 = 0;
+  let mut x569: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x568, &mut x569, x567, x555, x552);
+  let mut x570: u32 = 0;
+  let mut x571: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x570, &mut x571, x569, x553, x550);
+  let mut x572: u32 = 0;
+  let mut x573: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x572, &mut x573, x571, x551, x548);
+  let mut x574: u32 = 0;
+  let mut x575: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x574, &mut x575, x573, x549, x546);
+  let x576: u32 = ((x575 as u32) + x547);
+  let mut x577: u32 = 0;
+  let mut x578: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x577, &mut x578, 0x0, x526, x560);
+  let mut x579: u32 = 0;
+  let mut x580: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x579, &mut x580, x578, x528, x562);
+  let mut x581: u32 = 0;
+  let mut x582: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x581, &mut x582, x580, x530, x564);
+  let mut x583: u32 = 0;
+  let mut x584: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x583, &mut x584, x582, x532, x566);
+  let mut x585: u32 = 0;
+  let mut x586: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x585, &mut x586, x584, x534, x568);
+  let mut x587: u32 = 0;
+  let mut x588: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x587, &mut x588, x586, x536, x570);
+  let mut x589: u32 = 0;
+  let mut x590: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x589, &mut x590, x588, x538, x572);
+  let mut x591: u32 = 0;
+  let mut x592: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x591, &mut x592, x590, x540, x574);
+  let mut x593: u32 = 0;
+  let mut x594: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x593, &mut x594, x592, x542, x576);
+  let x595: u32 = ((x594 as u32) + (x543 as u32));
+  let mut x596: u32 = 0;
+  let mut x597: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x596, &mut x597, x6, (arg2[7]));
+  let mut x598: u32 = 0;
+  let mut x599: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x598, &mut x599, x6, (arg2[6]));
+  let mut x600: u32 = 0;
+  let mut x601: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x600, &mut x601, x6, (arg2[5]));
+  let mut x602: u32 = 0;
+  let mut x603: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x602, &mut x603, x6, (arg2[4]));
+  let mut x604: u32 = 0;
+  let mut x605: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x604, &mut x605, x6, (arg2[3]));
+  let mut x606: u32 = 0;
+  let mut x607: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x606, &mut x607, x6, (arg2[2]));
+  let mut x608: u32 = 0;
+  let mut x609: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x608, &mut x609, x6, (arg2[1]));
+  let mut x610: u32 = 0;
+  let mut x611: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x610, &mut x611, x6, (arg2[0]));
+  let mut x612: u32 = 0;
+  let mut x613: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x612, &mut x613, 0x0, x611, x608);
+  let mut x614: u32 = 0;
+  let mut x615: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x614, &mut x615, x613, x609, x606);
+  let mut x616: u32 = 0;
+  let mut x617: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x616, &mut x617, x615, x607, x604);
+  let mut x618: u32 = 0;
+  let mut x619: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x618, &mut x619, x617, x605, x602);
+  let mut x620: u32 = 0;
+  let mut x621: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x620, &mut x621, x619, x603, x600);
+  let mut x622: u32 = 0;
+  let mut x623: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x622, &mut x623, x621, x601, x598);
+  let mut x624: u32 = 0;
+  let mut x625: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x624, &mut x625, x623, x599, x596);
+  let x626: u32 = ((x625 as u32) + x597);
+  let mut x627: u32 = 0;
+  let mut x628: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x627, &mut x628, 0x0, x579, x610);
+  let mut x629: u32 = 0;
+  let mut x630: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x629, &mut x630, x628, x581, x612);
+  let mut x631: u32 = 0;
+  let mut x632: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x631, &mut x632, x630, x583, x614);
+  let mut x633: u32 = 0;
+  let mut x634: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x633, &mut x634, x632, x585, x616);
+  let mut x635: u32 = 0;
+  let mut x636: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x635, &mut x636, x634, x587, x618);
+  let mut x637: u32 = 0;
+  let mut x638: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x637, &mut x638, x636, x589, x620);
+  let mut x639: u32 = 0;
+  let mut x640: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x639, &mut x640, x638, x591, x622);
+  let mut x641: u32 = 0;
+  let mut x642: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x641, &mut x642, x640, x593, x624);
+  let mut x643: u32 = 0;
+  let mut x644: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x643, &mut x644, x642, x595, x626);
+  let mut x645: u32 = 0;
+  let mut x646: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x645, &mut x646, x627, 0xd2253531);
+  let mut x647: u32 = 0;
+  let mut x648: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x647, &mut x648, x645, 0xffffffff);
+  let mut x649: u32 = 0;
+  let mut x650: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x649, &mut x650, x645, 0xffffffff);
+  let mut x651: u32 = 0;
+  let mut x652: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x651, &mut x652, x645, 0xffffffff);
+  let mut x653: u32 = 0;
+  let mut x654: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x653, &mut x654, x645, 0xffffffff);
+  let mut x655: u32 = 0;
+  let mut x656: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x655, &mut x656, x645, 0xffffffff);
+  let mut x657: u32 = 0;
+  let mut x658: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x657, &mut x658, x645, 0xffffffff);
+  let mut x659: u32 = 0;
+  let mut x660: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x659, &mut x660, x645, 0xfffffffe);
+  let mut x661: u32 = 0;
+  let mut x662: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x661, &mut x662, x645, 0xfffffc2f);
+  let mut x663: u32 = 0;
+  let mut x664: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x663, &mut x664, 0x0, x662, x659);
+  let mut x665: u32 = 0;
+  let mut x666: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x665, &mut x666, x664, x660, x657);
+  let mut x667: u32 = 0;
+  let mut x668: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x667, &mut x668, x666, x658, x655);
+  let mut x669: u32 = 0;
+  let mut x670: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x669, &mut x670, x668, x656, x653);
+  let mut x671: u32 = 0;
+  let mut x672: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x671, &mut x672, x670, x654, x651);
+  let mut x673: u32 = 0;
+  let mut x674: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x673, &mut x674, x672, x652, x649);
+  let mut x675: u32 = 0;
+  let mut x676: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x675, &mut x676, x674, x650, x647);
+  let x677: u32 = ((x676 as u32) + x648);
+  let mut x678: u32 = 0;
+  let mut x679: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x678, &mut x679, 0x0, x627, x661);
+  let mut x680: u32 = 0;
+  let mut x681: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x680, &mut x681, x679, x629, x663);
+  let mut x682: u32 = 0;
+  let mut x683: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x682, &mut x683, x681, x631, x665);
+  let mut x684: u32 = 0;
+  let mut x685: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x684, &mut x685, x683, x633, x667);
+  let mut x686: u32 = 0;
+  let mut x687: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x686, &mut x687, x685, x635, x669);
+  let mut x688: u32 = 0;
+  let mut x689: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x688, &mut x689, x687, x637, x671);
+  let mut x690: u32 = 0;
+  let mut x691: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x690, &mut x691, x689, x639, x673);
+  let mut x692: u32 = 0;
+  let mut x693: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x692, &mut x693, x691, x641, x675);
+  let mut x694: u32 = 0;
+  let mut x695: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x694, &mut x695, x693, x643, x677);
+  let x696: u32 = ((x695 as u32) + (x644 as u32));
+  let mut x697: u32 = 0;
+  let mut x698: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x697, &mut x698, x7, (arg2[7]));
+  let mut x699: u32 = 0;
+  let mut x700: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x699, &mut x700, x7, (arg2[6]));
+  let mut x701: u32 = 0;
+  let mut x702: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x701, &mut x702, x7, (arg2[5]));
+  let mut x703: u32 = 0;
+  let mut x704: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x703, &mut x704, x7, (arg2[4]));
+  let mut x705: u32 = 0;
+  let mut x706: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x705, &mut x706, x7, (arg2[3]));
+  let mut x707: u32 = 0;
+  let mut x708: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x707, &mut x708, x7, (arg2[2]));
+  let mut x709: u32 = 0;
+  let mut x710: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x709, &mut x710, x7, (arg2[1]));
+  let mut x711: u32 = 0;
+  let mut x712: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x711, &mut x712, x7, (arg2[0]));
+  let mut x713: u32 = 0;
+  let mut x714: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x713, &mut x714, 0x0, x712, x709);
+  let mut x715: u32 = 0;
+  let mut x716: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x715, &mut x716, x714, x710, x707);
+  let mut x717: u32 = 0;
+  let mut x718: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x717, &mut x718, x716, x708, x705);
+  let mut x719: u32 = 0;
+  let mut x720: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x719, &mut x720, x718, x706, x703);
+  let mut x721: u32 = 0;
+  let mut x722: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x721, &mut x722, x720, x704, x701);
+  let mut x723: u32 = 0;
+  let mut x724: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x723, &mut x724, x722, x702, x699);
+  let mut x725: u32 = 0;
+  let mut x726: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x725, &mut x726, x724, x700, x697);
+  let x727: u32 = ((x726 as u32) + x698);
+  let mut x728: u32 = 0;
+  let mut x729: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x728, &mut x729, 0x0, x680, x711);
+  let mut x730: u32 = 0;
+  let mut x731: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x730, &mut x731, x729, x682, x713);
+  let mut x732: u32 = 0;
+  let mut x733: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x732, &mut x733, x731, x684, x715);
+  let mut x734: u32 = 0;
+  let mut x735: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x734, &mut x735, x733, x686, x717);
+  let mut x736: u32 = 0;
+  let mut x737: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x736, &mut x737, x735, x688, x719);
+  let mut x738: u32 = 0;
+  let mut x739: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x738, &mut x739, x737, x690, x721);
+  let mut x740: u32 = 0;
+  let mut x741: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x740, &mut x741, x739, x692, x723);
+  let mut x742: u32 = 0;
+  let mut x743: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x742, &mut x743, x741, x694, x725);
+  let mut x744: u32 = 0;
+  let mut x745: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x744, &mut x745, x743, x696, x727);
+  let mut x746: u32 = 0;
+  let mut x747: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x746, &mut x747, x728, 0xd2253531);
+  let mut x748: u32 = 0;
+  let mut x749: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x748, &mut x749, x746, 0xffffffff);
+  let mut x750: u32 = 0;
+  let mut x751: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x750, &mut x751, x746, 0xffffffff);
+  let mut x752: u32 = 0;
+  let mut x753: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x752, &mut x753, x746, 0xffffffff);
+  let mut x754: u32 = 0;
+  let mut x755: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x754, &mut x755, x746, 0xffffffff);
+  let mut x756: u32 = 0;
+  let mut x757: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x756, &mut x757, x746, 0xffffffff);
+  let mut x758: u32 = 0;
+  let mut x759: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x758, &mut x759, x746, 0xffffffff);
+  let mut x760: u32 = 0;
+  let mut x761: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x760, &mut x761, x746, 0xfffffffe);
+  let mut x762: u32 = 0;
+  let mut x763: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x762, &mut x763, x746, 0xfffffc2f);
+  let mut x764: u32 = 0;
+  let mut x765: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x764, &mut x765, 0x0, x763, x760);
+  let mut x766: u32 = 0;
+  let mut x767: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x766, &mut x767, x765, x761, x758);
+  let mut x768: u32 = 0;
+  let mut x769: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x768, &mut x769, x767, x759, x756);
+  let mut x770: u32 = 0;
+  let mut x771: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x770, &mut x771, x769, x757, x754);
+  let mut x772: u32 = 0;
+  let mut x773: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x772, &mut x773, x771, x755, x752);
+  let mut x774: u32 = 0;
+  let mut x775: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x774, &mut x775, x773, x753, x750);
+  let mut x776: u32 = 0;
+  let mut x777: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x776, &mut x777, x775, x751, x748);
+  let x778: u32 = ((x777 as u32) + x749);
+  let mut x779: u32 = 0;
+  let mut x780: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x779, &mut x780, 0x0, x728, x762);
+  let mut x781: u32 = 0;
+  let mut x782: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x781, &mut x782, x780, x730, x764);
+  let mut x783: u32 = 0;
+  let mut x784: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x783, &mut x784, x782, x732, x766);
+  let mut x785: u32 = 0;
+  let mut x786: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x785, &mut x786, x784, x734, x768);
+  let mut x787: u32 = 0;
+  let mut x788: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x787, &mut x788, x786, x736, x770);
+  let mut x789: u32 = 0;
+  let mut x790: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x789, &mut x790, x788, x738, x772);
+  let mut x791: u32 = 0;
+  let mut x792: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x791, &mut x792, x790, x740, x774);
+  let mut x793: u32 = 0;
+  let mut x794: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x793, &mut x794, x792, x742, x776);
+  let mut x795: u32 = 0;
+  let mut x796: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x795, &mut x796, x794, x744, x778);
+  let x797: u32 = ((x796 as u32) + (x745 as u32));
+  let mut x798: u32 = 0;
+  let mut x799: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x798, &mut x799, 0x0, x781, 0xfffffc2f);
+  let mut x800: u32 = 0;
+  let mut x801: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x800, &mut x801, x799, x783, 0xfffffffe);
+  let mut x802: u32 = 0;
+  let mut x803: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x802, &mut x803, x801, x785, 0xffffffff);
+  let mut x804: u32 = 0;
+  let mut x805: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x804, &mut x805, x803, x787, 0xffffffff);
+  let mut x806: u32 = 0;
+  let mut x807: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x806, &mut x807, x805, x789, 0xffffffff);
+  let mut x808: u32 = 0;
+  let mut x809: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x808, &mut x809, x807, x791, 0xffffffff);
+  let mut x810: u32 = 0;
+  let mut x811: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x810, &mut x811, x809, x793, 0xffffffff);
+  let mut x812: u32 = 0;
+  let mut x813: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x812, &mut x813, x811, x795, 0xffffffff);
+  let mut x814: u32 = 0;
+  let mut x815: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x814, &mut x815, x813, x797, (0x0 as u32));
+  let mut x816: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x816, x815, x798, x781);
+  let mut x817: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x817, x815, x800, x783);
+  let mut x818: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x818, x815, x802, x785);
+  let mut x819: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x819, x815, x804, x787);
+  let mut x820: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x820, x815, x806, x789);
+  let mut x821: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x821, x815, x808, x791);
+  let mut x822: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x822, x815, x810, x793);
+  let mut x823: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x823, x815, x812, x795);
+  out1[0] = x816;
+  out1[1] = x817;
+  out1[2] = x818;
+  out1[3] = x819;
+  out1[4] = x820;
+  out1[5] = x821;
+  out1[6] = x822;
+  out1[7] = x823;
+}
+
+/// The function fiat_secp256k1_montgomery_square squares a field element in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg1)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_square(out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_montgomery_domain_field_element) -> () {
+  let x1: u32 = (arg1[1]);
+  let x2: u32 = (arg1[2]);
+  let x3: u32 = (arg1[3]);
+  let x4: u32 = (arg1[4]);
+  let x5: u32 = (arg1[5]);
+  let x6: u32 = (arg1[6]);
+  let x7: u32 = (arg1[7]);
+  let x8: u32 = (arg1[0]);
+  let mut x9: u32 = 0;
+  let mut x10: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x9, &mut x10, x8, (arg1[7]));
+  let mut x11: u32 = 0;
+  let mut x12: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x11, &mut x12, x8, (arg1[6]));
+  let mut x13: u32 = 0;
+  let mut x14: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x13, &mut x14, x8, (arg1[5]));
+  let mut x15: u32 = 0;
+  let mut x16: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x15, &mut x16, x8, (arg1[4]));
+  let mut x17: u32 = 0;
+  let mut x18: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x17, &mut x18, x8, (arg1[3]));
+  let mut x19: u32 = 0;
+  let mut x20: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x19, &mut x20, x8, (arg1[2]));
+  let mut x21: u32 = 0;
+  let mut x22: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x21, &mut x22, x8, (arg1[1]));
+  let mut x23: u32 = 0;
+  let mut x24: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x23, &mut x24, x8, (arg1[0]));
+  let mut x25: u32 = 0;
+  let mut x26: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x25, &mut x26, 0x0, x24, x21);
+  let mut x27: u32 = 0;
+  let mut x28: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x27, &mut x28, x26, x22, x19);
+  let mut x29: u32 = 0;
+  let mut x30: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x29, &mut x30, x28, x20, x17);
+  let mut x31: u32 = 0;
+  let mut x32: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x31, &mut x32, x30, x18, x15);
+  let mut x33: u32 = 0;
+  let mut x34: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x33, &mut x34, x32, x16, x13);
+  let mut x35: u32 = 0;
+  let mut x36: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x35, &mut x36, x34, x14, x11);
+  let mut x37: u32 = 0;
+  let mut x38: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x37, &mut x38, x36, x12, x9);
+  let x39: u32 = ((x38 as u32) + x10);
+  let mut x40: u32 = 0;
+  let mut x41: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x40, &mut x41, x23, 0xd2253531);
+  let mut x42: u32 = 0;
+  let mut x43: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x42, &mut x43, x40, 0xffffffff);
+  let mut x44: u32 = 0;
+  let mut x45: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x44, &mut x45, x40, 0xffffffff);
+  let mut x46: u32 = 0;
+  let mut x47: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x46, &mut x47, x40, 0xffffffff);
+  let mut x48: u32 = 0;
+  let mut x49: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x48, &mut x49, x40, 0xffffffff);
+  let mut x50: u32 = 0;
+  let mut x51: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x50, &mut x51, x40, 0xffffffff);
+  let mut x52: u32 = 0;
+  let mut x53: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x52, &mut x53, x40, 0xffffffff);
+  let mut x54: u32 = 0;
+  let mut x55: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x54, &mut x55, x40, 0xfffffffe);
+  let mut x56: u32 = 0;
+  let mut x57: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x56, &mut x57, x40, 0xfffffc2f);
+  let mut x58: u32 = 0;
+  let mut x59: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x58, &mut x59, 0x0, x57, x54);
+  let mut x60: u32 = 0;
+  let mut x61: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x60, &mut x61, x59, x55, x52);
+  let mut x62: u32 = 0;
+  let mut x63: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x62, &mut x63, x61, x53, x50);
+  let mut x64: u32 = 0;
+  let mut x65: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x64, &mut x65, x63, x51, x48);
+  let mut x66: u32 = 0;
+  let mut x67: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x66, &mut x67, x65, x49, x46);
+  let mut x68: u32 = 0;
+  let mut x69: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x68, &mut x69, x67, x47, x44);
+  let mut x70: u32 = 0;
+  let mut x71: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x70, &mut x71, x69, x45, x42);
+  let x72: u32 = ((x71 as u32) + x43);
+  let mut x73: u32 = 0;
+  let mut x74: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x73, &mut x74, 0x0, x23, x56);
+  let mut x75: u32 = 0;
+  let mut x76: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x75, &mut x76, x74, x25, x58);
+  let mut x77: u32 = 0;
+  let mut x78: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x77, &mut x78, x76, x27, x60);
+  let mut x79: u32 = 0;
+  let mut x80: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x79, &mut x80, x78, x29, x62);
+  let mut x81: u32 = 0;
+  let mut x82: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x81, &mut x82, x80, x31, x64);
+  let mut x83: u32 = 0;
+  let mut x84: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x83, &mut x84, x82, x33, x66);
+  let mut x85: u32 = 0;
+  let mut x86: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x85, &mut x86, x84, x35, x68);
+  let mut x87: u32 = 0;
+  let mut x88: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x87, &mut x88, x86, x37, x70);
+  let mut x89: u32 = 0;
+  let mut x90: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x89, &mut x90, x88, x39, x72);
+  let mut x91: u32 = 0;
+  let mut x92: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x91, &mut x92, x1, (arg1[7]));
+  let mut x93: u32 = 0;
+  let mut x94: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x93, &mut x94, x1, (arg1[6]));
+  let mut x95: u32 = 0;
+  let mut x96: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x95, &mut x96, x1, (arg1[5]));
+  let mut x97: u32 = 0;
+  let mut x98: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x97, &mut x98, x1, (arg1[4]));
+  let mut x99: u32 = 0;
+  let mut x100: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x99, &mut x100, x1, (arg1[3]));
+  let mut x101: u32 = 0;
+  let mut x102: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x101, &mut x102, x1, (arg1[2]));
+  let mut x103: u32 = 0;
+  let mut x104: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x103, &mut x104, x1, (arg1[1]));
+  let mut x105: u32 = 0;
+  let mut x106: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x105, &mut x106, x1, (arg1[0]));
+  let mut x107: u32 = 0;
+  let mut x108: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x107, &mut x108, 0x0, x106, x103);
+  let mut x109: u32 = 0;
+  let mut x110: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x109, &mut x110, x108, x104, x101);
+  let mut x111: u32 = 0;
+  let mut x112: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x111, &mut x112, x110, x102, x99);
+  let mut x113: u32 = 0;
+  let mut x114: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x113, &mut x114, x112, x100, x97);
+  let mut x115: u32 = 0;
+  let mut x116: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x115, &mut x116, x114, x98, x95);
+  let mut x117: u32 = 0;
+  let mut x118: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x117, &mut x118, x116, x96, x93);
+  let mut x119: u32 = 0;
+  let mut x120: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x119, &mut x120, x118, x94, x91);
+  let x121: u32 = ((x120 as u32) + x92);
+  let mut x122: u32 = 0;
+  let mut x123: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x122, &mut x123, 0x0, x75, x105);
+  let mut x124: u32 = 0;
+  let mut x125: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x124, &mut x125, x123, x77, x107);
+  let mut x126: u32 = 0;
+  let mut x127: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x126, &mut x127, x125, x79, x109);
+  let mut x128: u32 = 0;
+  let mut x129: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x128, &mut x129, x127, x81, x111);
+  let mut x130: u32 = 0;
+  let mut x131: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x130, &mut x131, x129, x83, x113);
+  let mut x132: u32 = 0;
+  let mut x133: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x132, &mut x133, x131, x85, x115);
+  let mut x134: u32 = 0;
+  let mut x135: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x134, &mut x135, x133, x87, x117);
+  let mut x136: u32 = 0;
+  let mut x137: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x136, &mut x137, x135, x89, x119);
+  let mut x138: u32 = 0;
+  let mut x139: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x138, &mut x139, x137, (x90 as u32), x121);
+  let mut x140: u32 = 0;
+  let mut x141: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x140, &mut x141, x122, 0xd2253531);
+  let mut x142: u32 = 0;
+  let mut x143: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x142, &mut x143, x140, 0xffffffff);
+  let mut x144: u32 = 0;
+  let mut x145: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x144, &mut x145, x140, 0xffffffff);
+  let mut x146: u32 = 0;
+  let mut x147: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x146, &mut x147, x140, 0xffffffff);
+  let mut x148: u32 = 0;
+  let mut x149: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x148, &mut x149, x140, 0xffffffff);
+  let mut x150: u32 = 0;
+  let mut x151: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x150, &mut x151, x140, 0xffffffff);
+  let mut x152: u32 = 0;
+  let mut x153: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x152, &mut x153, x140, 0xffffffff);
+  let mut x154: u32 = 0;
+  let mut x155: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x154, &mut x155, x140, 0xfffffffe);
+  let mut x156: u32 = 0;
+  let mut x157: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x156, &mut x157, x140, 0xfffffc2f);
+  let mut x158: u32 = 0;
+  let mut x159: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x158, &mut x159, 0x0, x157, x154);
+  let mut x160: u32 = 0;
+  let mut x161: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x160, &mut x161, x159, x155, x152);
+  let mut x162: u32 = 0;
+  let mut x163: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x162, &mut x163, x161, x153, x150);
+  let mut x164: u32 = 0;
+  let mut x165: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x164, &mut x165, x163, x151, x148);
+  let mut x166: u32 = 0;
+  let mut x167: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x166, &mut x167, x165, x149, x146);
+  let mut x168: u32 = 0;
+  let mut x169: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x168, &mut x169, x167, x147, x144);
+  let mut x170: u32 = 0;
+  let mut x171: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x170, &mut x171, x169, x145, x142);
+  let x172: u32 = ((x171 as u32) + x143);
+  let mut x173: u32 = 0;
+  let mut x174: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x173, &mut x174, 0x0, x122, x156);
+  let mut x175: u32 = 0;
+  let mut x176: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x175, &mut x176, x174, x124, x158);
+  let mut x177: u32 = 0;
+  let mut x178: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x177, &mut x178, x176, x126, x160);
+  let mut x179: u32 = 0;
+  let mut x180: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x179, &mut x180, x178, x128, x162);
+  let mut x181: u32 = 0;
+  let mut x182: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x181, &mut x182, x180, x130, x164);
+  let mut x183: u32 = 0;
+  let mut x184: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x183, &mut x184, x182, x132, x166);
+  let mut x185: u32 = 0;
+  let mut x186: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x185, &mut x186, x184, x134, x168);
+  let mut x187: u32 = 0;
+  let mut x188: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x187, &mut x188, x186, x136, x170);
+  let mut x189: u32 = 0;
+  let mut x190: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x189, &mut x190, x188, x138, x172);
+  let x191: u32 = ((x190 as u32) + (x139 as u32));
+  let mut x192: u32 = 0;
+  let mut x193: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x192, &mut x193, x2, (arg1[7]));
+  let mut x194: u32 = 0;
+  let mut x195: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x194, &mut x195, x2, (arg1[6]));
+  let mut x196: u32 = 0;
+  let mut x197: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x196, &mut x197, x2, (arg1[5]));
+  let mut x198: u32 = 0;
+  let mut x199: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x198, &mut x199, x2, (arg1[4]));
+  let mut x200: u32 = 0;
+  let mut x201: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x200, &mut x201, x2, (arg1[3]));
+  let mut x202: u32 = 0;
+  let mut x203: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x202, &mut x203, x2, (arg1[2]));
+  let mut x204: u32 = 0;
+  let mut x205: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x204, &mut x205, x2, (arg1[1]));
+  let mut x206: u32 = 0;
+  let mut x207: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x206, &mut x207, x2, (arg1[0]));
+  let mut x208: u32 = 0;
+  let mut x209: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x208, &mut x209, 0x0, x207, x204);
+  let mut x210: u32 = 0;
+  let mut x211: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x210, &mut x211, x209, x205, x202);
+  let mut x212: u32 = 0;
+  let mut x213: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x212, &mut x213, x211, x203, x200);
+  let mut x214: u32 = 0;
+  let mut x215: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x214, &mut x215, x213, x201, x198);
+  let mut x216: u32 = 0;
+  let mut x217: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x216, &mut x217, x215, x199, x196);
+  let mut x218: u32 = 0;
+  let mut x219: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x218, &mut x219, x217, x197, x194);
+  let mut x220: u32 = 0;
+  let mut x221: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x220, &mut x221, x219, x195, x192);
+  let x222: u32 = ((x221 as u32) + x193);
+  let mut x223: u32 = 0;
+  let mut x224: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x223, &mut x224, 0x0, x175, x206);
+  let mut x225: u32 = 0;
+  let mut x226: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x225, &mut x226, x224, x177, x208);
+  let mut x227: u32 = 0;
+  let mut x228: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x227, &mut x228, x226, x179, x210);
+  let mut x229: u32 = 0;
+  let mut x230: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x229, &mut x230, x228, x181, x212);
+  let mut x231: u32 = 0;
+  let mut x232: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x231, &mut x232, x230, x183, x214);
+  let mut x233: u32 = 0;
+  let mut x234: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x233, &mut x234, x232, x185, x216);
+  let mut x235: u32 = 0;
+  let mut x236: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x235, &mut x236, x234, x187, x218);
+  let mut x237: u32 = 0;
+  let mut x238: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x237, &mut x238, x236, x189, x220);
+  let mut x239: u32 = 0;
+  let mut x240: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x239, &mut x240, x238, x191, x222);
+  let mut x241: u32 = 0;
+  let mut x242: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x241, &mut x242, x223, 0xd2253531);
+  let mut x243: u32 = 0;
+  let mut x244: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x243, &mut x244, x241, 0xffffffff);
+  let mut x245: u32 = 0;
+  let mut x246: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x245, &mut x246, x241, 0xffffffff);
+  let mut x247: u32 = 0;
+  let mut x248: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x247, &mut x248, x241, 0xffffffff);
+  let mut x249: u32 = 0;
+  let mut x250: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x249, &mut x250, x241, 0xffffffff);
+  let mut x251: u32 = 0;
+  let mut x252: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x251, &mut x252, x241, 0xffffffff);
+  let mut x253: u32 = 0;
+  let mut x254: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x253, &mut x254, x241, 0xffffffff);
+  let mut x255: u32 = 0;
+  let mut x256: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x255, &mut x256, x241, 0xfffffffe);
+  let mut x257: u32 = 0;
+  let mut x258: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x257, &mut x258, x241, 0xfffffc2f);
+  let mut x259: u32 = 0;
+  let mut x260: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x259, &mut x260, 0x0, x258, x255);
+  let mut x261: u32 = 0;
+  let mut x262: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x261, &mut x262, x260, x256, x253);
+  let mut x263: u32 = 0;
+  let mut x264: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x263, &mut x264, x262, x254, x251);
+  let mut x265: u32 = 0;
+  let mut x266: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x265, &mut x266, x264, x252, x249);
+  let mut x267: u32 = 0;
+  let mut x268: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x267, &mut x268, x266, x250, x247);
+  let mut x269: u32 = 0;
+  let mut x270: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x269, &mut x270, x268, x248, x245);
+  let mut x271: u32 = 0;
+  let mut x272: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x271, &mut x272, x270, x246, x243);
+  let x273: u32 = ((x272 as u32) + x244);
+  let mut x274: u32 = 0;
+  let mut x275: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x274, &mut x275, 0x0, x223, x257);
+  let mut x276: u32 = 0;
+  let mut x277: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x276, &mut x277, x275, x225, x259);
+  let mut x278: u32 = 0;
+  let mut x279: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x278, &mut x279, x277, x227, x261);
+  let mut x280: u32 = 0;
+  let mut x281: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x280, &mut x281, x279, x229, x263);
+  let mut x282: u32 = 0;
+  let mut x283: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x282, &mut x283, x281, x231, x265);
+  let mut x284: u32 = 0;
+  let mut x285: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x284, &mut x285, x283, x233, x267);
+  let mut x286: u32 = 0;
+  let mut x287: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x286, &mut x287, x285, x235, x269);
+  let mut x288: u32 = 0;
+  let mut x289: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x288, &mut x289, x287, x237, x271);
+  let mut x290: u32 = 0;
+  let mut x291: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x290, &mut x291, x289, x239, x273);
+  let x292: u32 = ((x291 as u32) + (x240 as u32));
+  let mut x293: u32 = 0;
+  let mut x294: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x293, &mut x294, x3, (arg1[7]));
+  let mut x295: u32 = 0;
+  let mut x296: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x295, &mut x296, x3, (arg1[6]));
+  let mut x297: u32 = 0;
+  let mut x298: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x297, &mut x298, x3, (arg1[5]));
+  let mut x299: u32 = 0;
+  let mut x300: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x299, &mut x300, x3, (arg1[4]));
+  let mut x301: u32 = 0;
+  let mut x302: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x301, &mut x302, x3, (arg1[3]));
+  let mut x303: u32 = 0;
+  let mut x304: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x303, &mut x304, x3, (arg1[2]));
+  let mut x305: u32 = 0;
+  let mut x306: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x305, &mut x306, x3, (arg1[1]));
+  let mut x307: u32 = 0;
+  let mut x308: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x307, &mut x308, x3, (arg1[0]));
+  let mut x309: u32 = 0;
+  let mut x310: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x309, &mut x310, 0x0, x308, x305);
+  let mut x311: u32 = 0;
+  let mut x312: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x311, &mut x312, x310, x306, x303);
+  let mut x313: u32 = 0;
+  let mut x314: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x313, &mut x314, x312, x304, x301);
+  let mut x315: u32 = 0;
+  let mut x316: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x315, &mut x316, x314, x302, x299);
+  let mut x317: u32 = 0;
+  let mut x318: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x317, &mut x318, x316, x300, x297);
+  let mut x319: u32 = 0;
+  let mut x320: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x319, &mut x320, x318, x298, x295);
+  let mut x321: u32 = 0;
+  let mut x322: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x321, &mut x322, x320, x296, x293);
+  let x323: u32 = ((x322 as u32) + x294);
+  let mut x324: u32 = 0;
+  let mut x325: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x324, &mut x325, 0x0, x276, x307);
+  let mut x326: u32 = 0;
+  let mut x327: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x326, &mut x327, x325, x278, x309);
+  let mut x328: u32 = 0;
+  let mut x329: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x328, &mut x329, x327, x280, x311);
+  let mut x330: u32 = 0;
+  let mut x331: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x330, &mut x331, x329, x282, x313);
+  let mut x332: u32 = 0;
+  let mut x333: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x332, &mut x333, x331, x284, x315);
+  let mut x334: u32 = 0;
+  let mut x335: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x334, &mut x335, x333, x286, x317);
+  let mut x336: u32 = 0;
+  let mut x337: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x336, &mut x337, x335, x288, x319);
+  let mut x338: u32 = 0;
+  let mut x339: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x338, &mut x339, x337, x290, x321);
+  let mut x340: u32 = 0;
+  let mut x341: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x340, &mut x341, x339, x292, x323);
+  let mut x342: u32 = 0;
+  let mut x343: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x342, &mut x343, x324, 0xd2253531);
+  let mut x344: u32 = 0;
+  let mut x345: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x344, &mut x345, x342, 0xffffffff);
+  let mut x346: u32 = 0;
+  let mut x347: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x346, &mut x347, x342, 0xffffffff);
+  let mut x348: u32 = 0;
+  let mut x349: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x348, &mut x349, x342, 0xffffffff);
+  let mut x350: u32 = 0;
+  let mut x351: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x350, &mut x351, x342, 0xffffffff);
+  let mut x352: u32 = 0;
+  let mut x353: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x352, &mut x353, x342, 0xffffffff);
+  let mut x354: u32 = 0;
+  let mut x355: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x354, &mut x355, x342, 0xffffffff);
+  let mut x356: u32 = 0;
+  let mut x357: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x356, &mut x357, x342, 0xfffffffe);
+  let mut x358: u32 = 0;
+  let mut x359: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x358, &mut x359, x342, 0xfffffc2f);
+  let mut x360: u32 = 0;
+  let mut x361: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x360, &mut x361, 0x0, x359, x356);
+  let mut x362: u32 = 0;
+  let mut x363: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x362, &mut x363, x361, x357, x354);
+  let mut x364: u32 = 0;
+  let mut x365: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x364, &mut x365, x363, x355, x352);
+  let mut x366: u32 = 0;
+  let mut x367: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x366, &mut x367, x365, x353, x350);
+  let mut x368: u32 = 0;
+  let mut x369: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x368, &mut x369, x367, x351, x348);
+  let mut x370: u32 = 0;
+  let mut x371: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x370, &mut x371, x369, x349, x346);
+  let mut x372: u32 = 0;
+  let mut x373: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x372, &mut x373, x371, x347, x344);
+  let x374: u32 = ((x373 as u32) + x345);
+  let mut x375: u32 = 0;
+  let mut x376: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x375, &mut x376, 0x0, x324, x358);
+  let mut x377: u32 = 0;
+  let mut x378: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x377, &mut x378, x376, x326, x360);
+  let mut x379: u32 = 0;
+  let mut x380: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x379, &mut x380, x378, x328, x362);
+  let mut x381: u32 = 0;
+  let mut x382: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x381, &mut x382, x380, x330, x364);
+  let mut x383: u32 = 0;
+  let mut x384: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x383, &mut x384, x382, x332, x366);
+  let mut x385: u32 = 0;
+  let mut x386: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x385, &mut x386, x384, x334, x368);
+  let mut x387: u32 = 0;
+  let mut x388: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x387, &mut x388, x386, x336, x370);
+  let mut x389: u32 = 0;
+  let mut x390: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x389, &mut x390, x388, x338, x372);
+  let mut x391: u32 = 0;
+  let mut x392: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x391, &mut x392, x390, x340, x374);
+  let x393: u32 = ((x392 as u32) + (x341 as u32));
+  let mut x394: u32 = 0;
+  let mut x395: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x394, &mut x395, x4, (arg1[7]));
+  let mut x396: u32 = 0;
+  let mut x397: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x396, &mut x397, x4, (arg1[6]));
+  let mut x398: u32 = 0;
+  let mut x399: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x398, &mut x399, x4, (arg1[5]));
+  let mut x400: u32 = 0;
+  let mut x401: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x400, &mut x401, x4, (arg1[4]));
+  let mut x402: u32 = 0;
+  let mut x403: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x402, &mut x403, x4, (arg1[3]));
+  let mut x404: u32 = 0;
+  let mut x405: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x404, &mut x405, x4, (arg1[2]));
+  let mut x406: u32 = 0;
+  let mut x407: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x406, &mut x407, x4, (arg1[1]));
+  let mut x408: u32 = 0;
+  let mut x409: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x408, &mut x409, x4, (arg1[0]));
+  let mut x410: u32 = 0;
+  let mut x411: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x410, &mut x411, 0x0, x409, x406);
+  let mut x412: u32 = 0;
+  let mut x413: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x412, &mut x413, x411, x407, x404);
+  let mut x414: u32 = 0;
+  let mut x415: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x414, &mut x415, x413, x405, x402);
+  let mut x416: u32 = 0;
+  let mut x417: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x416, &mut x417, x415, x403, x400);
+  let mut x418: u32 = 0;
+  let mut x419: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x418, &mut x419, x417, x401, x398);
+  let mut x420: u32 = 0;
+  let mut x421: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x420, &mut x421, x419, x399, x396);
+  let mut x422: u32 = 0;
+  let mut x423: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x422, &mut x423, x421, x397, x394);
+  let x424: u32 = ((x423 as u32) + x395);
+  let mut x425: u32 = 0;
+  let mut x426: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x425, &mut x426, 0x0, x377, x408);
+  let mut x427: u32 = 0;
+  let mut x428: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x427, &mut x428, x426, x379, x410);
+  let mut x429: u32 = 0;
+  let mut x430: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x429, &mut x430, x428, x381, x412);
+  let mut x431: u32 = 0;
+  let mut x432: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x431, &mut x432, x430, x383, x414);
+  let mut x433: u32 = 0;
+  let mut x434: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x433, &mut x434, x432, x385, x416);
+  let mut x435: u32 = 0;
+  let mut x436: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x435, &mut x436, x434, x387, x418);
+  let mut x437: u32 = 0;
+  let mut x438: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x437, &mut x438, x436, x389, x420);
+  let mut x439: u32 = 0;
+  let mut x440: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x439, &mut x440, x438, x391, x422);
+  let mut x441: u32 = 0;
+  let mut x442: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x441, &mut x442, x440, x393, x424);
+  let mut x443: u32 = 0;
+  let mut x444: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x443, &mut x444, x425, 0xd2253531);
+  let mut x445: u32 = 0;
+  let mut x446: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x445, &mut x446, x443, 0xffffffff);
+  let mut x447: u32 = 0;
+  let mut x448: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x447, &mut x448, x443, 0xffffffff);
+  let mut x449: u32 = 0;
+  let mut x450: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x449, &mut x450, x443, 0xffffffff);
+  let mut x451: u32 = 0;
+  let mut x452: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x451, &mut x452, x443, 0xffffffff);
+  let mut x453: u32 = 0;
+  let mut x454: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x453, &mut x454, x443, 0xffffffff);
+  let mut x455: u32 = 0;
+  let mut x456: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x455, &mut x456, x443, 0xffffffff);
+  let mut x457: u32 = 0;
+  let mut x458: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x457, &mut x458, x443, 0xfffffffe);
+  let mut x459: u32 = 0;
+  let mut x460: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x459, &mut x460, x443, 0xfffffc2f);
+  let mut x461: u32 = 0;
+  let mut x462: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x461, &mut x462, 0x0, x460, x457);
+  let mut x463: u32 = 0;
+  let mut x464: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x463, &mut x464, x462, x458, x455);
+  let mut x465: u32 = 0;
+  let mut x466: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x465, &mut x466, x464, x456, x453);
+  let mut x467: u32 = 0;
+  let mut x468: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x467, &mut x468, x466, x454, x451);
+  let mut x469: u32 = 0;
+  let mut x470: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x469, &mut x470, x468, x452, x449);
+  let mut x471: u32 = 0;
+  let mut x472: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x471, &mut x472, x470, x450, x447);
+  let mut x473: u32 = 0;
+  let mut x474: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x473, &mut x474, x472, x448, x445);
+  let x475: u32 = ((x474 as u32) + x446);
+  let mut x476: u32 = 0;
+  let mut x477: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x476, &mut x477, 0x0, x425, x459);
+  let mut x478: u32 = 0;
+  let mut x479: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x478, &mut x479, x477, x427, x461);
+  let mut x480: u32 = 0;
+  let mut x481: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x480, &mut x481, x479, x429, x463);
+  let mut x482: u32 = 0;
+  let mut x483: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x482, &mut x483, x481, x431, x465);
+  let mut x484: u32 = 0;
+  let mut x485: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x484, &mut x485, x483, x433, x467);
+  let mut x486: u32 = 0;
+  let mut x487: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x486, &mut x487, x485, x435, x469);
+  let mut x488: u32 = 0;
+  let mut x489: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x488, &mut x489, x487, x437, x471);
+  let mut x490: u32 = 0;
+  let mut x491: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x490, &mut x491, x489, x439, x473);
+  let mut x492: u32 = 0;
+  let mut x493: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x492, &mut x493, x491, x441, x475);
+  let x494: u32 = ((x493 as u32) + (x442 as u32));
+  let mut x495: u32 = 0;
+  let mut x496: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x495, &mut x496, x5, (arg1[7]));
+  let mut x497: u32 = 0;
+  let mut x498: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x497, &mut x498, x5, (arg1[6]));
+  let mut x499: u32 = 0;
+  let mut x500: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x499, &mut x500, x5, (arg1[5]));
+  let mut x501: u32 = 0;
+  let mut x502: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x501, &mut x502, x5, (arg1[4]));
+  let mut x503: u32 = 0;
+  let mut x504: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x503, &mut x504, x5, (arg1[3]));
+  let mut x505: u32 = 0;
+  let mut x506: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x505, &mut x506, x5, (arg1[2]));
+  let mut x507: u32 = 0;
+  let mut x508: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x507, &mut x508, x5, (arg1[1]));
+  let mut x509: u32 = 0;
+  let mut x510: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x509, &mut x510, x5, (arg1[0]));
+  let mut x511: u32 = 0;
+  let mut x512: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x511, &mut x512, 0x0, x510, x507);
+  let mut x513: u32 = 0;
+  let mut x514: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x513, &mut x514, x512, x508, x505);
+  let mut x515: u32 = 0;
+  let mut x516: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x515, &mut x516, x514, x506, x503);
+  let mut x517: u32 = 0;
+  let mut x518: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x517, &mut x518, x516, x504, x501);
+  let mut x519: u32 = 0;
+  let mut x520: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x519, &mut x520, x518, x502, x499);
+  let mut x521: u32 = 0;
+  let mut x522: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x521, &mut x522, x520, x500, x497);
+  let mut x523: u32 = 0;
+  let mut x524: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x523, &mut x524, x522, x498, x495);
+  let x525: u32 = ((x524 as u32) + x496);
+  let mut x526: u32 = 0;
+  let mut x527: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x526, &mut x527, 0x0, x478, x509);
+  let mut x528: u32 = 0;
+  let mut x529: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x528, &mut x529, x527, x480, x511);
+  let mut x530: u32 = 0;
+  let mut x531: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x530, &mut x531, x529, x482, x513);
+  let mut x532: u32 = 0;
+  let mut x533: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x532, &mut x533, x531, x484, x515);
+  let mut x534: u32 = 0;
+  let mut x535: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x534, &mut x535, x533, x486, x517);
+  let mut x536: u32 = 0;
+  let mut x537: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x536, &mut x537, x535, x488, x519);
+  let mut x538: u32 = 0;
+  let mut x539: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x538, &mut x539, x537, x490, x521);
+  let mut x540: u32 = 0;
+  let mut x541: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x540, &mut x541, x539, x492, x523);
+  let mut x542: u32 = 0;
+  let mut x543: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x542, &mut x543, x541, x494, x525);
+  let mut x544: u32 = 0;
+  let mut x545: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x544, &mut x545, x526, 0xd2253531);
+  let mut x546: u32 = 0;
+  let mut x547: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x546, &mut x547, x544, 0xffffffff);
+  let mut x548: u32 = 0;
+  let mut x549: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x548, &mut x549, x544, 0xffffffff);
+  let mut x550: u32 = 0;
+  let mut x551: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x550, &mut x551, x544, 0xffffffff);
+  let mut x552: u32 = 0;
+  let mut x553: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x552, &mut x553, x544, 0xffffffff);
+  let mut x554: u32 = 0;
+  let mut x555: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x554, &mut x555, x544, 0xffffffff);
+  let mut x556: u32 = 0;
+  let mut x557: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x556, &mut x557, x544, 0xffffffff);
+  let mut x558: u32 = 0;
+  let mut x559: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x558, &mut x559, x544, 0xfffffffe);
+  let mut x560: u32 = 0;
+  let mut x561: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x560, &mut x561, x544, 0xfffffc2f);
+  let mut x562: u32 = 0;
+  let mut x563: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x562, &mut x563, 0x0, x561, x558);
+  let mut x564: u32 = 0;
+  let mut x565: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x564, &mut x565, x563, x559, x556);
+  let mut x566: u32 = 0;
+  let mut x567: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x566, &mut x567, x565, x557, x554);
+  let mut x568: u32 = 0;
+  let mut x569: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x568, &mut x569, x567, x555, x552);
+  let mut x570: u32 = 0;
+  let mut x571: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x570, &mut x571, x569, x553, x550);
+  let mut x572: u32 = 0;
+  let mut x573: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x572, &mut x573, x571, x551, x548);
+  let mut x574: u32 = 0;
+  let mut x575: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x574, &mut x575, x573, x549, x546);
+  let x576: u32 = ((x575 as u32) + x547);
+  let mut x577: u32 = 0;
+  let mut x578: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x577, &mut x578, 0x0, x526, x560);
+  let mut x579: u32 = 0;
+  let mut x580: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x579, &mut x580, x578, x528, x562);
+  let mut x581: u32 = 0;
+  let mut x582: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x581, &mut x582, x580, x530, x564);
+  let mut x583: u32 = 0;
+  let mut x584: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x583, &mut x584, x582, x532, x566);
+  let mut x585: u32 = 0;
+  let mut x586: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x585, &mut x586, x584, x534, x568);
+  let mut x587: u32 = 0;
+  let mut x588: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x587, &mut x588, x586, x536, x570);
+  let mut x589: u32 = 0;
+  let mut x590: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x589, &mut x590, x588, x538, x572);
+  let mut x591: u32 = 0;
+  let mut x592: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x591, &mut x592, x590, x540, x574);
+  let mut x593: u32 = 0;
+  let mut x594: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x593, &mut x594, x592, x542, x576);
+  let x595: u32 = ((x594 as u32) + (x543 as u32));
+  let mut x596: u32 = 0;
+  let mut x597: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x596, &mut x597, x6, (arg1[7]));
+  let mut x598: u32 = 0;
+  let mut x599: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x598, &mut x599, x6, (arg1[6]));
+  let mut x600: u32 = 0;
+  let mut x601: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x600, &mut x601, x6, (arg1[5]));
+  let mut x602: u32 = 0;
+  let mut x603: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x602, &mut x603, x6, (arg1[4]));
+  let mut x604: u32 = 0;
+  let mut x605: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x604, &mut x605, x6, (arg1[3]));
+  let mut x606: u32 = 0;
+  let mut x607: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x606, &mut x607, x6, (arg1[2]));
+  let mut x608: u32 = 0;
+  let mut x609: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x608, &mut x609, x6, (arg1[1]));
+  let mut x610: u32 = 0;
+  let mut x611: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x610, &mut x611, x6, (arg1[0]));
+  let mut x612: u32 = 0;
+  let mut x613: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x612, &mut x613, 0x0, x611, x608);
+  let mut x614: u32 = 0;
+  let mut x615: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x614, &mut x615, x613, x609, x606);
+  let mut x616: u32 = 0;
+  let mut x617: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x616, &mut x617, x615, x607, x604);
+  let mut x618: u32 = 0;
+  let mut x619: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x618, &mut x619, x617, x605, x602);
+  let mut x620: u32 = 0;
+  let mut x621: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x620, &mut x621, x619, x603, x600);
+  let mut x622: u32 = 0;
+  let mut x623: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x622, &mut x623, x621, x601, x598);
+  let mut x624: u32 = 0;
+  let mut x625: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x624, &mut x625, x623, x599, x596);
+  let x626: u32 = ((x625 as u32) + x597);
+  let mut x627: u32 = 0;
+  let mut x628: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x627, &mut x628, 0x0, x579, x610);
+  let mut x629: u32 = 0;
+  let mut x630: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x629, &mut x630, x628, x581, x612);
+  let mut x631: u32 = 0;
+  let mut x632: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x631, &mut x632, x630, x583, x614);
+  let mut x633: u32 = 0;
+  let mut x634: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x633, &mut x634, x632, x585, x616);
+  let mut x635: u32 = 0;
+  let mut x636: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x635, &mut x636, x634, x587, x618);
+  let mut x637: u32 = 0;
+  let mut x638: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x637, &mut x638, x636, x589, x620);
+  let mut x639: u32 = 0;
+  let mut x640: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x639, &mut x640, x638, x591, x622);
+  let mut x641: u32 = 0;
+  let mut x642: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x641, &mut x642, x640, x593, x624);
+  let mut x643: u32 = 0;
+  let mut x644: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x643, &mut x644, x642, x595, x626);
+  let mut x645: u32 = 0;
+  let mut x646: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x645, &mut x646, x627, 0xd2253531);
+  let mut x647: u32 = 0;
+  let mut x648: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x647, &mut x648, x645, 0xffffffff);
+  let mut x649: u32 = 0;
+  let mut x650: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x649, &mut x650, x645, 0xffffffff);
+  let mut x651: u32 = 0;
+  let mut x652: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x651, &mut x652, x645, 0xffffffff);
+  let mut x653: u32 = 0;
+  let mut x654: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x653, &mut x654, x645, 0xffffffff);
+  let mut x655: u32 = 0;
+  let mut x656: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x655, &mut x656, x645, 0xffffffff);
+  let mut x657: u32 = 0;
+  let mut x658: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x657, &mut x658, x645, 0xffffffff);
+  let mut x659: u32 = 0;
+  let mut x660: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x659, &mut x660, x645, 0xfffffffe);
+  let mut x661: u32 = 0;
+  let mut x662: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x661, &mut x662, x645, 0xfffffc2f);
+  let mut x663: u32 = 0;
+  let mut x664: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x663, &mut x664, 0x0, x662, x659);
+  let mut x665: u32 = 0;
+  let mut x666: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x665, &mut x666, x664, x660, x657);
+  let mut x667: u32 = 0;
+  let mut x668: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x667, &mut x668, x666, x658, x655);
+  let mut x669: u32 = 0;
+  let mut x670: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x669, &mut x670, x668, x656, x653);
+  let mut x671: u32 = 0;
+  let mut x672: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x671, &mut x672, x670, x654, x651);
+  let mut x673: u32 = 0;
+  let mut x674: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x673, &mut x674, x672, x652, x649);
+  let mut x675: u32 = 0;
+  let mut x676: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x675, &mut x676, x674, x650, x647);
+  let x677: u32 = ((x676 as u32) + x648);
+  let mut x678: u32 = 0;
+  let mut x679: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x678, &mut x679, 0x0, x627, x661);
+  let mut x680: u32 = 0;
+  let mut x681: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x680, &mut x681, x679, x629, x663);
+  let mut x682: u32 = 0;
+  let mut x683: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x682, &mut x683, x681, x631, x665);
+  let mut x684: u32 = 0;
+  let mut x685: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x684, &mut x685, x683, x633, x667);
+  let mut x686: u32 = 0;
+  let mut x687: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x686, &mut x687, x685, x635, x669);
+  let mut x688: u32 = 0;
+  let mut x689: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x688, &mut x689, x687, x637, x671);
+  let mut x690: u32 = 0;
+  let mut x691: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x690, &mut x691, x689, x639, x673);
+  let mut x692: u32 = 0;
+  let mut x693: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x692, &mut x693, x691, x641, x675);
+  let mut x694: u32 = 0;
+  let mut x695: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x694, &mut x695, x693, x643, x677);
+  let x696: u32 = ((x695 as u32) + (x644 as u32));
+  let mut x697: u32 = 0;
+  let mut x698: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x697, &mut x698, x7, (arg1[7]));
+  let mut x699: u32 = 0;
+  let mut x700: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x699, &mut x700, x7, (arg1[6]));
+  let mut x701: u32 = 0;
+  let mut x702: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x701, &mut x702, x7, (arg1[5]));
+  let mut x703: u32 = 0;
+  let mut x704: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x703, &mut x704, x7, (arg1[4]));
+  let mut x705: u32 = 0;
+  let mut x706: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x705, &mut x706, x7, (arg1[3]));
+  let mut x707: u32 = 0;
+  let mut x708: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x707, &mut x708, x7, (arg1[2]));
+  let mut x709: u32 = 0;
+  let mut x710: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x709, &mut x710, x7, (arg1[1]));
+  let mut x711: u32 = 0;
+  let mut x712: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x711, &mut x712, x7, (arg1[0]));
+  let mut x713: u32 = 0;
+  let mut x714: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x713, &mut x714, 0x0, x712, x709);
+  let mut x715: u32 = 0;
+  let mut x716: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x715, &mut x716, x714, x710, x707);
+  let mut x717: u32 = 0;
+  let mut x718: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x717, &mut x718, x716, x708, x705);
+  let mut x719: u32 = 0;
+  let mut x720: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x719, &mut x720, x718, x706, x703);
+  let mut x721: u32 = 0;
+  let mut x722: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x721, &mut x722, x720, x704, x701);
+  let mut x723: u32 = 0;
+  let mut x724: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x723, &mut x724, x722, x702, x699);
+  let mut x725: u32 = 0;
+  let mut x726: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x725, &mut x726, x724, x700, x697);
+  let x727: u32 = ((x726 as u32) + x698);
+  let mut x728: u32 = 0;
+  let mut x729: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x728, &mut x729, 0x0, x680, x711);
+  let mut x730: u32 = 0;
+  let mut x731: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x730, &mut x731, x729, x682, x713);
+  let mut x732: u32 = 0;
+  let mut x733: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x732, &mut x733, x731, x684, x715);
+  let mut x734: u32 = 0;
+  let mut x735: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x734, &mut x735, x733, x686, x717);
+  let mut x736: u32 = 0;
+  let mut x737: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x736, &mut x737, x735, x688, x719);
+  let mut x738: u32 = 0;
+  let mut x739: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x738, &mut x739, x737, x690, x721);
+  let mut x740: u32 = 0;
+  let mut x741: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x740, &mut x741, x739, x692, x723);
+  let mut x742: u32 = 0;
+  let mut x743: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x742, &mut x743, x741, x694, x725);
+  let mut x744: u32 = 0;
+  let mut x745: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x744, &mut x745, x743, x696, x727);
+  let mut x746: u32 = 0;
+  let mut x747: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x746, &mut x747, x728, 0xd2253531);
+  let mut x748: u32 = 0;
+  let mut x749: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x748, &mut x749, x746, 0xffffffff);
+  let mut x750: u32 = 0;
+  let mut x751: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x750, &mut x751, x746, 0xffffffff);
+  let mut x752: u32 = 0;
+  let mut x753: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x752, &mut x753, x746, 0xffffffff);
+  let mut x754: u32 = 0;
+  let mut x755: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x754, &mut x755, x746, 0xffffffff);
+  let mut x756: u32 = 0;
+  let mut x757: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x756, &mut x757, x746, 0xffffffff);
+  let mut x758: u32 = 0;
+  let mut x759: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x758, &mut x759, x746, 0xffffffff);
+  let mut x760: u32 = 0;
+  let mut x761: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x760, &mut x761, x746, 0xfffffffe);
+  let mut x762: u32 = 0;
+  let mut x763: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x762, &mut x763, x746, 0xfffffc2f);
+  let mut x764: u32 = 0;
+  let mut x765: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x764, &mut x765, 0x0, x763, x760);
+  let mut x766: u32 = 0;
+  let mut x767: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x766, &mut x767, x765, x761, x758);
+  let mut x768: u32 = 0;
+  let mut x769: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x768, &mut x769, x767, x759, x756);
+  let mut x770: u32 = 0;
+  let mut x771: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x770, &mut x771, x769, x757, x754);
+  let mut x772: u32 = 0;
+  let mut x773: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x772, &mut x773, x771, x755, x752);
+  let mut x774: u32 = 0;
+  let mut x775: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x774, &mut x775, x773, x753, x750);
+  let mut x776: u32 = 0;
+  let mut x777: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x776, &mut x777, x775, x751, x748);
+  let x778: u32 = ((x777 as u32) + x749);
+  let mut x779: u32 = 0;
+  let mut x780: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x779, &mut x780, 0x0, x728, x762);
+  let mut x781: u32 = 0;
+  let mut x782: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x781, &mut x782, x780, x730, x764);
+  let mut x783: u32 = 0;
+  let mut x784: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x783, &mut x784, x782, x732, x766);
+  let mut x785: u32 = 0;
+  let mut x786: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x785, &mut x786, x784, x734, x768);
+  let mut x787: u32 = 0;
+  let mut x788: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x787, &mut x788, x786, x736, x770);
+  let mut x789: u32 = 0;
+  let mut x790: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x789, &mut x790, x788, x738, x772);
+  let mut x791: u32 = 0;
+  let mut x792: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x791, &mut x792, x790, x740, x774);
+  let mut x793: u32 = 0;
+  let mut x794: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x793, &mut x794, x792, x742, x776);
+  let mut x795: u32 = 0;
+  let mut x796: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x795, &mut x796, x794, x744, x778);
+  let x797: u32 = ((x796 as u32) + (x745 as u32));
+  let mut x798: u32 = 0;
+  let mut x799: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x798, &mut x799, 0x0, x781, 0xfffffc2f);
+  let mut x800: u32 = 0;
+  let mut x801: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x800, &mut x801, x799, x783, 0xfffffffe);
+  let mut x802: u32 = 0;
+  let mut x803: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x802, &mut x803, x801, x785, 0xffffffff);
+  let mut x804: u32 = 0;
+  let mut x805: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x804, &mut x805, x803, x787, 0xffffffff);
+  let mut x806: u32 = 0;
+  let mut x807: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x806, &mut x807, x805, x789, 0xffffffff);
+  let mut x808: u32 = 0;
+  let mut x809: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x808, &mut x809, x807, x791, 0xffffffff);
+  let mut x810: u32 = 0;
+  let mut x811: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x810, &mut x811, x809, x793, 0xffffffff);
+  let mut x812: u32 = 0;
+  let mut x813: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x812, &mut x813, x811, x795, 0xffffffff);
+  let mut x814: u32 = 0;
+  let mut x815: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x814, &mut x815, x813, x797, (0x0 as u32));
+  let mut x816: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x816, x815, x798, x781);
+  let mut x817: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x817, x815, x800, x783);
+  let mut x818: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x818, x815, x802, x785);
+  let mut x819: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x819, x815, x804, x787);
+  let mut x820: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x820, x815, x806, x789);
+  let mut x821: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x821, x815, x808, x791);
+  let mut x822: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x822, x815, x810, x793);
+  let mut x823: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x823, x815, x812, x795);
+  out1[0] = x816;
+  out1[1] = x817;
+  out1[2] = x818;
+  out1[3] = x819;
+  out1[4] = x820;
+  out1[5] = x821;
+  out1[6] = x822;
+  out1[7] = x823;
+}
+
+/// The function fiat_secp256k1_montgomery_add adds two field elements in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+///   0 ≤ eval arg2 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) + eval (from_montgomery arg2)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_add(out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_montgomery_domain_field_element) -> () {
+  let mut x1: u32 = 0;
+  let mut x2: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
+  let mut x3: u32 = 0;
+  let mut x4: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
+  let mut x5: u32 = 0;
+  let mut x6: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
+  let mut x7: u32 = 0;
+  let mut x8: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
+  let mut x9: u32 = 0;
+  let mut x10: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x9, &mut x10, x8, (arg1[4]), (arg2[4]));
+  let mut x11: u32 = 0;
+  let mut x12: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x11, &mut x12, x10, (arg1[5]), (arg2[5]));
+  let mut x13: u32 = 0;
+  let mut x14: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x13, &mut x14, x12, (arg1[6]), (arg2[6]));
+  let mut x15: u32 = 0;
+  let mut x16: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x15, &mut x16, x14, (arg1[7]), (arg2[7]));
+  let mut x17: u32 = 0;
+  let mut x18: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x17, &mut x18, 0x0, x1, 0xfffffc2f);
+  let mut x19: u32 = 0;
+  let mut x20: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x19, &mut x20, x18, x3, 0xfffffffe);
+  let mut x21: u32 = 0;
+  let mut x22: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x21, &mut x22, x20, x5, 0xffffffff);
+  let mut x23: u32 = 0;
+  let mut x24: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x23, &mut x24, x22, x7, 0xffffffff);
+  let mut x25: u32 = 0;
+  let mut x26: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x25, &mut x26, x24, x9, 0xffffffff);
+  let mut x27: u32 = 0;
+  let mut x28: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x27, &mut x28, x26, x11, 0xffffffff);
+  let mut x29: u32 = 0;
+  let mut x30: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x29, &mut x30, x28, x13, 0xffffffff);
+  let mut x31: u32 = 0;
+  let mut x32: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x31, &mut x32, x30, x15, 0xffffffff);
+  let mut x33: u32 = 0;
+  let mut x34: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x33, &mut x34, x32, (x16 as u32), (0x0 as u32));
+  let mut x35: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x35, x34, x17, x1);
+  let mut x36: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x36, x34, x19, x3);
+  let mut x37: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x37, x34, x21, x5);
+  let mut x38: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x38, x34, x23, x7);
+  let mut x39: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x39, x34, x25, x9);
+  let mut x40: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x40, x34, x27, x11);
+  let mut x41: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x41, x34, x29, x13);
+  let mut x42: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x42, x34, x31, x15);
+  out1[0] = x35;
+  out1[1] = x36;
+  out1[2] = x37;
+  out1[3] = x38;
+  out1[4] = x39;
+  out1[5] = x40;
+  out1[6] = x41;
+  out1[7] = x42;
+}
+
+/// The function fiat_secp256k1_montgomery_sub subtracts two field elements in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+///   0 ≤ eval arg2 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) - eval (from_montgomery arg2)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_sub(out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_montgomery_domain_field_element) -> () {
+  let mut x1: u32 = 0;
+  let mut x2: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
+  let mut x3: u32 = 0;
+  let mut x4: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
+  let mut x5: u32 = 0;
+  let mut x6: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
+  let mut x7: u32 = 0;
+  let mut x8: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
+  let mut x9: u32 = 0;
+  let mut x10: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x9, &mut x10, x8, (arg1[4]), (arg2[4]));
+  let mut x11: u32 = 0;
+  let mut x12: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x11, &mut x12, x10, (arg1[5]), (arg2[5]));
+  let mut x13: u32 = 0;
+  let mut x14: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x13, &mut x14, x12, (arg1[6]), (arg2[6]));
+  let mut x15: u32 = 0;
+  let mut x16: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x15, &mut x16, x14, (arg1[7]), (arg2[7]));
+  let mut x17: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x17, x16, (0x0 as u32), 0xffffffff);
+  let mut x18: u32 = 0;
+  let mut x19: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x18, &mut x19, 0x0, x1, (x17 & 0xfffffc2f));
+  let mut x20: u32 = 0;
+  let mut x21: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x20, &mut x21, x19, x3, (x17 & 0xfffffffe));
+  let mut x22: u32 = 0;
+  let mut x23: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x22, &mut x23, x21, x5, x17);
+  let mut x24: u32 = 0;
+  let mut x25: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x24, &mut x25, x23, x7, x17);
+  let mut x26: u32 = 0;
+  let mut x27: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x26, &mut x27, x25, x9, x17);
+  let mut x28: u32 = 0;
+  let mut x29: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x28, &mut x29, x27, x11, x17);
+  let mut x30: u32 = 0;
+  let mut x31: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x30, &mut x31, x29, x13, x17);
+  let mut x32: u32 = 0;
+  let mut x33: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x32, &mut x33, x31, x15, x17);
+  out1[0] = x18;
+  out1[1] = x20;
+  out1[2] = x22;
+  out1[3] = x24;
+  out1[4] = x26;
+  out1[5] = x28;
+  out1[6] = x30;
+  out1[7] = x32;
+}
+
+/// The function fiat_secp256k1_montgomery_opp negates a field element in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = -eval (from_montgomery arg1) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_opp(out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_montgomery_domain_field_element) -> () {
+  let mut x1: u32 = 0;
+  let mut x2: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x1, &mut x2, 0x0, (0x0 as u32), (arg1[0]));
+  let mut x3: u32 = 0;
+  let mut x4: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x3, &mut x4, x2, (0x0 as u32), (arg1[1]));
+  let mut x5: u32 = 0;
+  let mut x6: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x5, &mut x6, x4, (0x0 as u32), (arg1[2]));
+  let mut x7: u32 = 0;
+  let mut x8: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x7, &mut x8, x6, (0x0 as u32), (arg1[3]));
+  let mut x9: u32 = 0;
+  let mut x10: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x9, &mut x10, x8, (0x0 as u32), (arg1[4]));
+  let mut x11: u32 = 0;
+  let mut x12: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x11, &mut x12, x10, (0x0 as u32), (arg1[5]));
+  let mut x13: u32 = 0;
+  let mut x14: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x13, &mut x14, x12, (0x0 as u32), (arg1[6]));
+  let mut x15: u32 = 0;
+  let mut x16: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x15, &mut x16, x14, (0x0 as u32), (arg1[7]));
+  let mut x17: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x17, x16, (0x0 as u32), 0xffffffff);
+  let mut x18: u32 = 0;
+  let mut x19: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x18, &mut x19, 0x0, x1, (x17 & 0xfffffc2f));
+  let mut x20: u32 = 0;
+  let mut x21: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x20, &mut x21, x19, x3, (x17 & 0xfffffffe));
+  let mut x22: u32 = 0;
+  let mut x23: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x22, &mut x23, x21, x5, x17);
+  let mut x24: u32 = 0;
+  let mut x25: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x24, &mut x25, x23, x7, x17);
+  let mut x26: u32 = 0;
+  let mut x27: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x26, &mut x27, x25, x9, x17);
+  let mut x28: u32 = 0;
+  let mut x29: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x28, &mut x29, x27, x11, x17);
+  let mut x30: u32 = 0;
+  let mut x31: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x30, &mut x31, x29, x13, x17);
+  let mut x32: u32 = 0;
+  let mut x33: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x32, &mut x33, x31, x15, x17);
+  out1[0] = x18;
+  out1[1] = x20;
+  out1[2] = x22;
+  out1[3] = x24;
+  out1[4] = x26;
+  out1[5] = x28;
+  out1[6] = x30;
+  out1[7] = x32;
+}
+
+/// The function fiat_secp256k1_montgomery_from_montgomery translates a field element out of the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval out1 mod m = (eval arg1 * ((2^32)⁻¹ mod m)^8) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_from_montgomery(out1: &mut fiat_secp256k1_montgomery_non_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_montgomery_domain_field_element) -> () {
+  let x1: u32 = (arg1[0]);
+  let mut x2: u32 = 0;
+  let mut x3: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x2, &mut x3, x1, 0xd2253531);
+  let mut x4: u32 = 0;
+  let mut x5: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x4, &mut x5, x2, 0xffffffff);
+  let mut x6: u32 = 0;
+  let mut x7: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x6, &mut x7, x2, 0xffffffff);
+  let mut x8: u32 = 0;
+  let mut x9: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x8, &mut x9, x2, 0xffffffff);
+  let mut x10: u32 = 0;
+  let mut x11: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x10, &mut x11, x2, 0xffffffff);
+  let mut x12: u32 = 0;
+  let mut x13: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x12, &mut x13, x2, 0xffffffff);
+  let mut x14: u32 = 0;
+  let mut x15: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x14, &mut x15, x2, 0xffffffff);
+  let mut x16: u32 = 0;
+  let mut x17: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x16, &mut x17, x2, 0xfffffffe);
+  let mut x18: u32 = 0;
+  let mut x19: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x18, &mut x19, x2, 0xfffffc2f);
+  let mut x20: u32 = 0;
+  let mut x21: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x20, &mut x21, 0x0, x19, x16);
+  let mut x22: u32 = 0;
+  let mut x23: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x22, &mut x23, x21, x17, x14);
+  let mut x24: u32 = 0;
+  let mut x25: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x24, &mut x25, x23, x15, x12);
+  let mut x26: u32 = 0;
+  let mut x27: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x26, &mut x27, x25, x13, x10);
+  let mut x28: u32 = 0;
+  let mut x29: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x28, &mut x29, x27, x11, x8);
+  let mut x30: u32 = 0;
+  let mut x31: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x30, &mut x31, x29, x9, x6);
+  let mut x32: u32 = 0;
+  let mut x33: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x32, &mut x33, x31, x7, x4);
+  let mut x34: u32 = 0;
+  let mut x35: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x34, &mut x35, 0x0, x1, x18);
+  let mut x36: u32 = 0;
+  let mut x37: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x36, &mut x37, x35, (0x0 as u32), x20);
+  let mut x38: u32 = 0;
+  let mut x39: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x38, &mut x39, x37, (0x0 as u32), x22);
+  let mut x40: u32 = 0;
+  let mut x41: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x40, &mut x41, x39, (0x0 as u32), x24);
+  let mut x42: u32 = 0;
+  let mut x43: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x42, &mut x43, x41, (0x0 as u32), x26);
+  let mut x44: u32 = 0;
+  let mut x45: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x44, &mut x45, x43, (0x0 as u32), x28);
+  let mut x46: u32 = 0;
+  let mut x47: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x46, &mut x47, x45, (0x0 as u32), x30);
+  let mut x48: u32 = 0;
+  let mut x49: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x48, &mut x49, x47, (0x0 as u32), x32);
+  let mut x50: u32 = 0;
+  let mut x51: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x50, &mut x51, x49, (0x0 as u32), ((x33 as u32) + x5));
+  let mut x52: u32 = 0;
+  let mut x53: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x52, &mut x53, 0x0, x36, (arg1[1]));
+  let mut x54: u32 = 0;
+  let mut x55: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x54, &mut x55, x53, x38, (0x0 as u32));
+  let mut x56: u32 = 0;
+  let mut x57: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x56, &mut x57, x55, x40, (0x0 as u32));
+  let mut x58: u32 = 0;
+  let mut x59: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x58, &mut x59, x57, x42, (0x0 as u32));
+  let mut x60: u32 = 0;
+  let mut x61: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x60, &mut x61, x59, x44, (0x0 as u32));
+  let mut x62: u32 = 0;
+  let mut x63: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x62, &mut x63, x61, x46, (0x0 as u32));
+  let mut x64: u32 = 0;
+  let mut x65: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x64, &mut x65, x63, x48, (0x0 as u32));
+  let mut x66: u32 = 0;
+  let mut x67: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x66, &mut x67, x65, x50, (0x0 as u32));
+  let mut x68: u32 = 0;
+  let mut x69: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x68, &mut x69, x52, 0xd2253531);
+  let mut x70: u32 = 0;
+  let mut x71: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x70, &mut x71, x68, 0xffffffff);
+  let mut x72: u32 = 0;
+  let mut x73: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x72, &mut x73, x68, 0xffffffff);
+  let mut x74: u32 = 0;
+  let mut x75: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x74, &mut x75, x68, 0xffffffff);
+  let mut x76: u32 = 0;
+  let mut x77: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x76, &mut x77, x68, 0xffffffff);
+  let mut x78: u32 = 0;
+  let mut x79: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x78, &mut x79, x68, 0xffffffff);
+  let mut x80: u32 = 0;
+  let mut x81: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x80, &mut x81, x68, 0xffffffff);
+  let mut x82: u32 = 0;
+  let mut x83: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x82, &mut x83, x68, 0xfffffffe);
+  let mut x84: u32 = 0;
+  let mut x85: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x84, &mut x85, x68, 0xfffffc2f);
+  let mut x86: u32 = 0;
+  let mut x87: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x86, &mut x87, 0x0, x85, x82);
+  let mut x88: u32 = 0;
+  let mut x89: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x88, &mut x89, x87, x83, x80);
+  let mut x90: u32 = 0;
+  let mut x91: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x90, &mut x91, x89, x81, x78);
+  let mut x92: u32 = 0;
+  let mut x93: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x92, &mut x93, x91, x79, x76);
+  let mut x94: u32 = 0;
+  let mut x95: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x94, &mut x95, x93, x77, x74);
+  let mut x96: u32 = 0;
+  let mut x97: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x96, &mut x97, x95, x75, x72);
+  let mut x98: u32 = 0;
+  let mut x99: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x98, &mut x99, x97, x73, x70);
+  let mut x100: u32 = 0;
+  let mut x101: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x100, &mut x101, 0x0, x52, x84);
+  let mut x102: u32 = 0;
+  let mut x103: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x102, &mut x103, x101, x54, x86);
+  let mut x104: u32 = 0;
+  let mut x105: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x104, &mut x105, x103, x56, x88);
+  let mut x106: u32 = 0;
+  let mut x107: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x106, &mut x107, x105, x58, x90);
+  let mut x108: u32 = 0;
+  let mut x109: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x108, &mut x109, x107, x60, x92);
+  let mut x110: u32 = 0;
+  let mut x111: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x110, &mut x111, x109, x62, x94);
+  let mut x112: u32 = 0;
+  let mut x113: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x112, &mut x113, x111, x64, x96);
+  let mut x114: u32 = 0;
+  let mut x115: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x114, &mut x115, x113, x66, x98);
+  let mut x116: u32 = 0;
+  let mut x117: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x116, &mut x117, x115, ((x67 as u32) + (x51 as u32)), ((x99 as u32) + x71));
+  let mut x118: u32 = 0;
+  let mut x119: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x118, &mut x119, 0x0, x102, (arg1[2]));
+  let mut x120: u32 = 0;
+  let mut x121: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x120, &mut x121, x119, x104, (0x0 as u32));
+  let mut x122: u32 = 0;
+  let mut x123: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x122, &mut x123, x121, x106, (0x0 as u32));
+  let mut x124: u32 = 0;
+  let mut x125: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x124, &mut x125, x123, x108, (0x0 as u32));
+  let mut x126: u32 = 0;
+  let mut x127: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x126, &mut x127, x125, x110, (0x0 as u32));
+  let mut x128: u32 = 0;
+  let mut x129: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x128, &mut x129, x127, x112, (0x0 as u32));
+  let mut x130: u32 = 0;
+  let mut x131: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x130, &mut x131, x129, x114, (0x0 as u32));
+  let mut x132: u32 = 0;
+  let mut x133: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x132, &mut x133, x131, x116, (0x0 as u32));
+  let mut x134: u32 = 0;
+  let mut x135: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x134, &mut x135, x118, 0xd2253531);
+  let mut x136: u32 = 0;
+  let mut x137: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x136, &mut x137, x134, 0xffffffff);
+  let mut x138: u32 = 0;
+  let mut x139: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x138, &mut x139, x134, 0xffffffff);
+  let mut x140: u32 = 0;
+  let mut x141: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x140, &mut x141, x134, 0xffffffff);
+  let mut x142: u32 = 0;
+  let mut x143: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x142, &mut x143, x134, 0xffffffff);
+  let mut x144: u32 = 0;
+  let mut x145: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x144, &mut x145, x134, 0xffffffff);
+  let mut x146: u32 = 0;
+  let mut x147: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x146, &mut x147, x134, 0xffffffff);
+  let mut x148: u32 = 0;
+  let mut x149: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x148, &mut x149, x134, 0xfffffffe);
+  let mut x150: u32 = 0;
+  let mut x151: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x150, &mut x151, x134, 0xfffffc2f);
+  let mut x152: u32 = 0;
+  let mut x153: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x152, &mut x153, 0x0, x151, x148);
+  let mut x154: u32 = 0;
+  let mut x155: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x154, &mut x155, x153, x149, x146);
+  let mut x156: u32 = 0;
+  let mut x157: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x156, &mut x157, x155, x147, x144);
+  let mut x158: u32 = 0;
+  let mut x159: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x158, &mut x159, x157, x145, x142);
+  let mut x160: u32 = 0;
+  let mut x161: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x160, &mut x161, x159, x143, x140);
+  let mut x162: u32 = 0;
+  let mut x163: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x162, &mut x163, x161, x141, x138);
+  let mut x164: u32 = 0;
+  let mut x165: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x164, &mut x165, x163, x139, x136);
+  let mut x166: u32 = 0;
+  let mut x167: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x166, &mut x167, 0x0, x118, x150);
+  let mut x168: u32 = 0;
+  let mut x169: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x168, &mut x169, x167, x120, x152);
+  let mut x170: u32 = 0;
+  let mut x171: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x170, &mut x171, x169, x122, x154);
+  let mut x172: u32 = 0;
+  let mut x173: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x172, &mut x173, x171, x124, x156);
+  let mut x174: u32 = 0;
+  let mut x175: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x174, &mut x175, x173, x126, x158);
+  let mut x176: u32 = 0;
+  let mut x177: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x176, &mut x177, x175, x128, x160);
+  let mut x178: u32 = 0;
+  let mut x179: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x178, &mut x179, x177, x130, x162);
+  let mut x180: u32 = 0;
+  let mut x181: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x180, &mut x181, x179, x132, x164);
+  let mut x182: u32 = 0;
+  let mut x183: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x182, &mut x183, x181, ((x133 as u32) + (x117 as u32)), ((x165 as u32) + x137));
+  let mut x184: u32 = 0;
+  let mut x185: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x184, &mut x185, 0x0, x168, (arg1[3]));
+  let mut x186: u32 = 0;
+  let mut x187: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x186, &mut x187, x185, x170, (0x0 as u32));
+  let mut x188: u32 = 0;
+  let mut x189: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x188, &mut x189, x187, x172, (0x0 as u32));
+  let mut x190: u32 = 0;
+  let mut x191: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x190, &mut x191, x189, x174, (0x0 as u32));
+  let mut x192: u32 = 0;
+  let mut x193: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x192, &mut x193, x191, x176, (0x0 as u32));
+  let mut x194: u32 = 0;
+  let mut x195: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x194, &mut x195, x193, x178, (0x0 as u32));
+  let mut x196: u32 = 0;
+  let mut x197: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x196, &mut x197, x195, x180, (0x0 as u32));
+  let mut x198: u32 = 0;
+  let mut x199: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x198, &mut x199, x197, x182, (0x0 as u32));
+  let mut x200: u32 = 0;
+  let mut x201: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x200, &mut x201, x184, 0xd2253531);
+  let mut x202: u32 = 0;
+  let mut x203: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x202, &mut x203, x200, 0xffffffff);
+  let mut x204: u32 = 0;
+  let mut x205: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x204, &mut x205, x200, 0xffffffff);
+  let mut x206: u32 = 0;
+  let mut x207: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x206, &mut x207, x200, 0xffffffff);
+  let mut x208: u32 = 0;
+  let mut x209: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x208, &mut x209, x200, 0xffffffff);
+  let mut x210: u32 = 0;
+  let mut x211: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x210, &mut x211, x200, 0xffffffff);
+  let mut x212: u32 = 0;
+  let mut x213: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x212, &mut x213, x200, 0xffffffff);
+  let mut x214: u32 = 0;
+  let mut x215: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x214, &mut x215, x200, 0xfffffffe);
+  let mut x216: u32 = 0;
+  let mut x217: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x216, &mut x217, x200, 0xfffffc2f);
+  let mut x218: u32 = 0;
+  let mut x219: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x218, &mut x219, 0x0, x217, x214);
+  let mut x220: u32 = 0;
+  let mut x221: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x220, &mut x221, x219, x215, x212);
+  let mut x222: u32 = 0;
+  let mut x223: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x222, &mut x223, x221, x213, x210);
+  let mut x224: u32 = 0;
+  let mut x225: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x224, &mut x225, x223, x211, x208);
+  let mut x226: u32 = 0;
+  let mut x227: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x226, &mut x227, x225, x209, x206);
+  let mut x228: u32 = 0;
+  let mut x229: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x228, &mut x229, x227, x207, x204);
+  let mut x230: u32 = 0;
+  let mut x231: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x230, &mut x231, x229, x205, x202);
+  let mut x232: u32 = 0;
+  let mut x233: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x232, &mut x233, 0x0, x184, x216);
+  let mut x234: u32 = 0;
+  let mut x235: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x234, &mut x235, x233, x186, x218);
+  let mut x236: u32 = 0;
+  let mut x237: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x236, &mut x237, x235, x188, x220);
+  let mut x238: u32 = 0;
+  let mut x239: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x238, &mut x239, x237, x190, x222);
+  let mut x240: u32 = 0;
+  let mut x241: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x240, &mut x241, x239, x192, x224);
+  let mut x242: u32 = 0;
+  let mut x243: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x242, &mut x243, x241, x194, x226);
+  let mut x244: u32 = 0;
+  let mut x245: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x244, &mut x245, x243, x196, x228);
+  let mut x246: u32 = 0;
+  let mut x247: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x246, &mut x247, x245, x198, x230);
+  let mut x248: u32 = 0;
+  let mut x249: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x248, &mut x249, x247, ((x199 as u32) + (x183 as u32)), ((x231 as u32) + x203));
+  let mut x250: u32 = 0;
+  let mut x251: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x250, &mut x251, 0x0, x234, (arg1[4]));
+  let mut x252: u32 = 0;
+  let mut x253: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x252, &mut x253, x251, x236, (0x0 as u32));
+  let mut x254: u32 = 0;
+  let mut x255: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x254, &mut x255, x253, x238, (0x0 as u32));
+  let mut x256: u32 = 0;
+  let mut x257: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x256, &mut x257, x255, x240, (0x0 as u32));
+  let mut x258: u32 = 0;
+  let mut x259: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x258, &mut x259, x257, x242, (0x0 as u32));
+  let mut x260: u32 = 0;
+  let mut x261: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x260, &mut x261, x259, x244, (0x0 as u32));
+  let mut x262: u32 = 0;
+  let mut x263: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x262, &mut x263, x261, x246, (0x0 as u32));
+  let mut x264: u32 = 0;
+  let mut x265: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x264, &mut x265, x263, x248, (0x0 as u32));
+  let mut x266: u32 = 0;
+  let mut x267: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x266, &mut x267, x250, 0xd2253531);
+  let mut x268: u32 = 0;
+  let mut x269: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x268, &mut x269, x266, 0xffffffff);
+  let mut x270: u32 = 0;
+  let mut x271: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x270, &mut x271, x266, 0xffffffff);
+  let mut x272: u32 = 0;
+  let mut x273: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x272, &mut x273, x266, 0xffffffff);
+  let mut x274: u32 = 0;
+  let mut x275: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x274, &mut x275, x266, 0xffffffff);
+  let mut x276: u32 = 0;
+  let mut x277: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x276, &mut x277, x266, 0xffffffff);
+  let mut x278: u32 = 0;
+  let mut x279: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x278, &mut x279, x266, 0xffffffff);
+  let mut x280: u32 = 0;
+  let mut x281: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x280, &mut x281, x266, 0xfffffffe);
+  let mut x282: u32 = 0;
+  let mut x283: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x282, &mut x283, x266, 0xfffffc2f);
+  let mut x284: u32 = 0;
+  let mut x285: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x284, &mut x285, 0x0, x283, x280);
+  let mut x286: u32 = 0;
+  let mut x287: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x286, &mut x287, x285, x281, x278);
+  let mut x288: u32 = 0;
+  let mut x289: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x288, &mut x289, x287, x279, x276);
+  let mut x290: u32 = 0;
+  let mut x291: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x290, &mut x291, x289, x277, x274);
+  let mut x292: u32 = 0;
+  let mut x293: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x292, &mut x293, x291, x275, x272);
+  let mut x294: u32 = 0;
+  let mut x295: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x294, &mut x295, x293, x273, x270);
+  let mut x296: u32 = 0;
+  let mut x297: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x296, &mut x297, x295, x271, x268);
+  let mut x298: u32 = 0;
+  let mut x299: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x298, &mut x299, 0x0, x250, x282);
+  let mut x300: u32 = 0;
+  let mut x301: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x300, &mut x301, x299, x252, x284);
+  let mut x302: u32 = 0;
+  let mut x303: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x302, &mut x303, x301, x254, x286);
+  let mut x304: u32 = 0;
+  let mut x305: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x304, &mut x305, x303, x256, x288);
+  let mut x306: u32 = 0;
+  let mut x307: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x306, &mut x307, x305, x258, x290);
+  let mut x308: u32 = 0;
+  let mut x309: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x308, &mut x309, x307, x260, x292);
+  let mut x310: u32 = 0;
+  let mut x311: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x310, &mut x311, x309, x262, x294);
+  let mut x312: u32 = 0;
+  let mut x313: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x312, &mut x313, x311, x264, x296);
+  let mut x314: u32 = 0;
+  let mut x315: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x314, &mut x315, x313, ((x265 as u32) + (x249 as u32)), ((x297 as u32) + x269));
+  let mut x316: u32 = 0;
+  let mut x317: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x316, &mut x317, 0x0, x300, (arg1[5]));
+  let mut x318: u32 = 0;
+  let mut x319: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x318, &mut x319, x317, x302, (0x0 as u32));
+  let mut x320: u32 = 0;
+  let mut x321: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x320, &mut x321, x319, x304, (0x0 as u32));
+  let mut x322: u32 = 0;
+  let mut x323: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x322, &mut x323, x321, x306, (0x0 as u32));
+  let mut x324: u32 = 0;
+  let mut x325: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x324, &mut x325, x323, x308, (0x0 as u32));
+  let mut x326: u32 = 0;
+  let mut x327: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x326, &mut x327, x325, x310, (0x0 as u32));
+  let mut x328: u32 = 0;
+  let mut x329: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x328, &mut x329, x327, x312, (0x0 as u32));
+  let mut x330: u32 = 0;
+  let mut x331: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x330, &mut x331, x329, x314, (0x0 as u32));
+  let mut x332: u32 = 0;
+  let mut x333: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x332, &mut x333, x316, 0xd2253531);
+  let mut x334: u32 = 0;
+  let mut x335: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x334, &mut x335, x332, 0xffffffff);
+  let mut x336: u32 = 0;
+  let mut x337: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x336, &mut x337, x332, 0xffffffff);
+  let mut x338: u32 = 0;
+  let mut x339: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x338, &mut x339, x332, 0xffffffff);
+  let mut x340: u32 = 0;
+  let mut x341: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x340, &mut x341, x332, 0xffffffff);
+  let mut x342: u32 = 0;
+  let mut x343: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x342, &mut x343, x332, 0xffffffff);
+  let mut x344: u32 = 0;
+  let mut x345: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x344, &mut x345, x332, 0xffffffff);
+  let mut x346: u32 = 0;
+  let mut x347: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x346, &mut x347, x332, 0xfffffffe);
+  let mut x348: u32 = 0;
+  let mut x349: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x348, &mut x349, x332, 0xfffffc2f);
+  let mut x350: u32 = 0;
+  let mut x351: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x350, &mut x351, 0x0, x349, x346);
+  let mut x352: u32 = 0;
+  let mut x353: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x352, &mut x353, x351, x347, x344);
+  let mut x354: u32 = 0;
+  let mut x355: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x354, &mut x355, x353, x345, x342);
+  let mut x356: u32 = 0;
+  let mut x357: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x356, &mut x357, x355, x343, x340);
+  let mut x358: u32 = 0;
+  let mut x359: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x358, &mut x359, x357, x341, x338);
+  let mut x360: u32 = 0;
+  let mut x361: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x360, &mut x361, x359, x339, x336);
+  let mut x362: u32 = 0;
+  let mut x363: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x362, &mut x363, x361, x337, x334);
+  let mut x364: u32 = 0;
+  let mut x365: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x364, &mut x365, 0x0, x316, x348);
+  let mut x366: u32 = 0;
+  let mut x367: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x366, &mut x367, x365, x318, x350);
+  let mut x368: u32 = 0;
+  let mut x369: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x368, &mut x369, x367, x320, x352);
+  let mut x370: u32 = 0;
+  let mut x371: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x370, &mut x371, x369, x322, x354);
+  let mut x372: u32 = 0;
+  let mut x373: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x372, &mut x373, x371, x324, x356);
+  let mut x374: u32 = 0;
+  let mut x375: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x374, &mut x375, x373, x326, x358);
+  let mut x376: u32 = 0;
+  let mut x377: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x376, &mut x377, x375, x328, x360);
+  let mut x378: u32 = 0;
+  let mut x379: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x378, &mut x379, x377, x330, x362);
+  let mut x380: u32 = 0;
+  let mut x381: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x380, &mut x381, x379, ((x331 as u32) + (x315 as u32)), ((x363 as u32) + x335));
+  let mut x382: u32 = 0;
+  let mut x383: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x382, &mut x383, 0x0, x366, (arg1[6]));
+  let mut x384: u32 = 0;
+  let mut x385: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x384, &mut x385, x383, x368, (0x0 as u32));
+  let mut x386: u32 = 0;
+  let mut x387: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x386, &mut x387, x385, x370, (0x0 as u32));
+  let mut x388: u32 = 0;
+  let mut x389: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x388, &mut x389, x387, x372, (0x0 as u32));
+  let mut x390: u32 = 0;
+  let mut x391: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x390, &mut x391, x389, x374, (0x0 as u32));
+  let mut x392: u32 = 0;
+  let mut x393: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x392, &mut x393, x391, x376, (0x0 as u32));
+  let mut x394: u32 = 0;
+  let mut x395: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x394, &mut x395, x393, x378, (0x0 as u32));
+  let mut x396: u32 = 0;
+  let mut x397: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x396, &mut x397, x395, x380, (0x0 as u32));
+  let mut x398: u32 = 0;
+  let mut x399: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x398, &mut x399, x382, 0xd2253531);
+  let mut x400: u32 = 0;
+  let mut x401: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x400, &mut x401, x398, 0xffffffff);
+  let mut x402: u32 = 0;
+  let mut x403: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x402, &mut x403, x398, 0xffffffff);
+  let mut x404: u32 = 0;
+  let mut x405: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x404, &mut x405, x398, 0xffffffff);
+  let mut x406: u32 = 0;
+  let mut x407: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x406, &mut x407, x398, 0xffffffff);
+  let mut x408: u32 = 0;
+  let mut x409: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x408, &mut x409, x398, 0xffffffff);
+  let mut x410: u32 = 0;
+  let mut x411: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x410, &mut x411, x398, 0xffffffff);
+  let mut x412: u32 = 0;
+  let mut x413: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x412, &mut x413, x398, 0xfffffffe);
+  let mut x414: u32 = 0;
+  let mut x415: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x414, &mut x415, x398, 0xfffffc2f);
+  let mut x416: u32 = 0;
+  let mut x417: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x416, &mut x417, 0x0, x415, x412);
+  let mut x418: u32 = 0;
+  let mut x419: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x418, &mut x419, x417, x413, x410);
+  let mut x420: u32 = 0;
+  let mut x421: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x420, &mut x421, x419, x411, x408);
+  let mut x422: u32 = 0;
+  let mut x423: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x422, &mut x423, x421, x409, x406);
+  let mut x424: u32 = 0;
+  let mut x425: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x424, &mut x425, x423, x407, x404);
+  let mut x426: u32 = 0;
+  let mut x427: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x426, &mut x427, x425, x405, x402);
+  let mut x428: u32 = 0;
+  let mut x429: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x428, &mut x429, x427, x403, x400);
+  let mut x430: u32 = 0;
+  let mut x431: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x430, &mut x431, 0x0, x382, x414);
+  let mut x432: u32 = 0;
+  let mut x433: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x432, &mut x433, x431, x384, x416);
+  let mut x434: u32 = 0;
+  let mut x435: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x434, &mut x435, x433, x386, x418);
+  let mut x436: u32 = 0;
+  let mut x437: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x436, &mut x437, x435, x388, x420);
+  let mut x438: u32 = 0;
+  let mut x439: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x438, &mut x439, x437, x390, x422);
+  let mut x440: u32 = 0;
+  let mut x441: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x440, &mut x441, x439, x392, x424);
+  let mut x442: u32 = 0;
+  let mut x443: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x442, &mut x443, x441, x394, x426);
+  let mut x444: u32 = 0;
+  let mut x445: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x444, &mut x445, x443, x396, x428);
+  let mut x446: u32 = 0;
+  let mut x447: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x446, &mut x447, x445, ((x397 as u32) + (x381 as u32)), ((x429 as u32) + x401));
+  let mut x448: u32 = 0;
+  let mut x449: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x448, &mut x449, 0x0, x432, (arg1[7]));
+  let mut x450: u32 = 0;
+  let mut x451: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x450, &mut x451, x449, x434, (0x0 as u32));
+  let mut x452: u32 = 0;
+  let mut x453: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x452, &mut x453, x451, x436, (0x0 as u32));
+  let mut x454: u32 = 0;
+  let mut x455: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x454, &mut x455, x453, x438, (0x0 as u32));
+  let mut x456: u32 = 0;
+  let mut x457: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x456, &mut x457, x455, x440, (0x0 as u32));
+  let mut x458: u32 = 0;
+  let mut x459: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x458, &mut x459, x457, x442, (0x0 as u32));
+  let mut x460: u32 = 0;
+  let mut x461: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x460, &mut x461, x459, x444, (0x0 as u32));
+  let mut x462: u32 = 0;
+  let mut x463: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x462, &mut x463, x461, x446, (0x0 as u32));
+  let mut x464: u32 = 0;
+  let mut x465: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x464, &mut x465, x448, 0xd2253531);
+  let mut x466: u32 = 0;
+  let mut x467: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x466, &mut x467, x464, 0xffffffff);
+  let mut x468: u32 = 0;
+  let mut x469: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x468, &mut x469, x464, 0xffffffff);
+  let mut x470: u32 = 0;
+  let mut x471: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x470, &mut x471, x464, 0xffffffff);
+  let mut x472: u32 = 0;
+  let mut x473: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x472, &mut x473, x464, 0xffffffff);
+  let mut x474: u32 = 0;
+  let mut x475: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x474, &mut x475, x464, 0xffffffff);
+  let mut x476: u32 = 0;
+  let mut x477: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x476, &mut x477, x464, 0xffffffff);
+  let mut x478: u32 = 0;
+  let mut x479: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x478, &mut x479, x464, 0xfffffffe);
+  let mut x480: u32 = 0;
+  let mut x481: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x480, &mut x481, x464, 0xfffffc2f);
+  let mut x482: u32 = 0;
+  let mut x483: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x482, &mut x483, 0x0, x481, x478);
+  let mut x484: u32 = 0;
+  let mut x485: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x484, &mut x485, x483, x479, x476);
+  let mut x486: u32 = 0;
+  let mut x487: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x486, &mut x487, x485, x477, x474);
+  let mut x488: u32 = 0;
+  let mut x489: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x488, &mut x489, x487, x475, x472);
+  let mut x490: u32 = 0;
+  let mut x491: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x490, &mut x491, x489, x473, x470);
+  let mut x492: u32 = 0;
+  let mut x493: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x492, &mut x493, x491, x471, x468);
+  let mut x494: u32 = 0;
+  let mut x495: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x494, &mut x495, x493, x469, x466);
+  let mut x496: u32 = 0;
+  let mut x497: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x496, &mut x497, 0x0, x448, x480);
+  let mut x498: u32 = 0;
+  let mut x499: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x498, &mut x499, x497, x450, x482);
+  let mut x500: u32 = 0;
+  let mut x501: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x500, &mut x501, x499, x452, x484);
+  let mut x502: u32 = 0;
+  let mut x503: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x502, &mut x503, x501, x454, x486);
+  let mut x504: u32 = 0;
+  let mut x505: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x504, &mut x505, x503, x456, x488);
+  let mut x506: u32 = 0;
+  let mut x507: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x506, &mut x507, x505, x458, x490);
+  let mut x508: u32 = 0;
+  let mut x509: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x508, &mut x509, x507, x460, x492);
+  let mut x510: u32 = 0;
+  let mut x511: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x510, &mut x511, x509, x462, x494);
+  let mut x512: u32 = 0;
+  let mut x513: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x512, &mut x513, x511, ((x463 as u32) + (x447 as u32)), ((x495 as u32) + x467));
+  let mut x514: u32 = 0;
+  let mut x515: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x514, &mut x515, 0x0, x498, 0xfffffc2f);
+  let mut x516: u32 = 0;
+  let mut x517: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x516, &mut x517, x515, x500, 0xfffffffe);
+  let mut x518: u32 = 0;
+  let mut x519: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x518, &mut x519, x517, x502, 0xffffffff);
+  let mut x520: u32 = 0;
+  let mut x521: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x520, &mut x521, x519, x504, 0xffffffff);
+  let mut x522: u32 = 0;
+  let mut x523: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x522, &mut x523, x521, x506, 0xffffffff);
+  let mut x524: u32 = 0;
+  let mut x525: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x524, &mut x525, x523, x508, 0xffffffff);
+  let mut x526: u32 = 0;
+  let mut x527: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x526, &mut x527, x525, x510, 0xffffffff);
+  let mut x528: u32 = 0;
+  let mut x529: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x528, &mut x529, x527, x512, 0xffffffff);
+  let mut x530: u32 = 0;
+  let mut x531: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x530, &mut x531, x529, (x513 as u32), (0x0 as u32));
+  let mut x532: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x532, x531, x514, x498);
+  let mut x533: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x533, x531, x516, x500);
+  let mut x534: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x534, x531, x518, x502);
+  let mut x535: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x535, x531, x520, x504);
+  let mut x536: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x536, x531, x522, x506);
+  let mut x537: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x537, x531, x524, x508);
+  let mut x538: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x538, x531, x526, x510);
+  let mut x539: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x539, x531, x528, x512);
+  out1[0] = x532;
+  out1[1] = x533;
+  out1[2] = x534;
+  out1[3] = x535;
+  out1[4] = x536;
+  out1[5] = x537;
+  out1[6] = x538;
+  out1[7] = x539;
+}
+
+/// The function fiat_secp256k1_montgomery_to_montgomery translates a field element into the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = eval arg1 mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_to_montgomery(out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_non_montgomery_domain_field_element) -> () {
+  let x1: u32 = (arg1[1]);
+  let x2: u32 = (arg1[2]);
+  let x3: u32 = (arg1[3]);
+  let x4: u32 = (arg1[4]);
+  let x5: u32 = (arg1[5]);
+  let x6: u32 = (arg1[6]);
+  let x7: u32 = (arg1[7]);
+  let x8: u32 = (arg1[0]);
+  let mut x9: u32 = 0;
+  let mut x10: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x9, &mut x10, x8, 0x7a2);
+  let mut x11: u32 = 0;
+  let mut x12: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x11, &mut x12, x8, 0xe90a1);
+  let mut x13: u32 = 0;
+  let mut x14: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x13, &mut x14, 0x0, x12, x9);
+  let mut x15: u32 = 0;
+  let mut x16: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x15, &mut x16, x14, x10, x8);
+  let mut x17: u32 = 0;
+  let mut x18: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x17, &mut x18, x11, 0xd2253531);
+  let mut x19: u32 = 0;
+  let mut x20: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x19, &mut x20, x17, 0xffffffff);
+  let mut x21: u32 = 0;
+  let mut x22: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x21, &mut x22, x17, 0xffffffff);
+  let mut x23: u32 = 0;
+  let mut x24: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x23, &mut x24, x17, 0xffffffff);
+  let mut x25: u32 = 0;
+  let mut x26: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x25, &mut x26, x17, 0xffffffff);
+  let mut x27: u32 = 0;
+  let mut x28: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x27, &mut x28, x17, 0xffffffff);
+  let mut x29: u32 = 0;
+  let mut x30: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x29, &mut x30, x17, 0xffffffff);
+  let mut x31: u32 = 0;
+  let mut x32: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x31, &mut x32, x17, 0xfffffffe);
+  let mut x33: u32 = 0;
+  let mut x34: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x33, &mut x34, x17, 0xfffffc2f);
+  let mut x35: u32 = 0;
+  let mut x36: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x35, &mut x36, 0x0, x34, x31);
+  let mut x37: u32 = 0;
+  let mut x38: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x37, &mut x38, x36, x32, x29);
+  let mut x39: u32 = 0;
+  let mut x40: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x39, &mut x40, x38, x30, x27);
+  let mut x41: u32 = 0;
+  let mut x42: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x41, &mut x42, x40, x28, x25);
+  let mut x43: u32 = 0;
+  let mut x44: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x43, &mut x44, x42, x26, x23);
+  let mut x45: u32 = 0;
+  let mut x46: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x45, &mut x46, x44, x24, x21);
+  let mut x47: u32 = 0;
+  let mut x48: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x47, &mut x48, x46, x22, x19);
+  let mut x49: u32 = 0;
+  let mut x50: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x49, &mut x50, 0x0, x11, x33);
+  let mut x51: u32 = 0;
+  let mut x52: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x51, &mut x52, x50, x13, x35);
+  let mut x53: u32 = 0;
+  let mut x54: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x53, &mut x54, x52, x15, x37);
+  let mut x55: u32 = 0;
+  let mut x56: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x55, &mut x56, x54, (x16 as u32), x39);
+  let mut x57: u32 = 0;
+  let mut x58: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x57, &mut x58, x56, (0x0 as u32), x41);
+  let mut x59: u32 = 0;
+  let mut x60: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x59, &mut x60, x58, (0x0 as u32), x43);
+  let mut x61: u32 = 0;
+  let mut x62: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x61, &mut x62, x60, (0x0 as u32), x45);
+  let mut x63: u32 = 0;
+  let mut x64: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x63, &mut x64, x62, (0x0 as u32), x47);
+  let mut x65: u32 = 0;
+  let mut x66: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x65, &mut x66, x64, (0x0 as u32), ((x48 as u32) + x20));
+  let mut x67: u32 = 0;
+  let mut x68: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x67, &mut x68, x1, 0x7a2);
+  let mut x69: u32 = 0;
+  let mut x70: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x69, &mut x70, x1, 0xe90a1);
+  let mut x71: u32 = 0;
+  let mut x72: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x71, &mut x72, 0x0, x70, x67);
+  let mut x73: u32 = 0;
+  let mut x74: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x73, &mut x74, x72, x68, x1);
+  let mut x75: u32 = 0;
+  let mut x76: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x75, &mut x76, 0x0, x51, x69);
+  let mut x77: u32 = 0;
+  let mut x78: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x77, &mut x78, x76, x53, x71);
+  let mut x79: u32 = 0;
+  let mut x80: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x79, &mut x80, x78, x55, x73);
+  let mut x81: u32 = 0;
+  let mut x82: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x81, &mut x82, x80, x57, (x74 as u32));
+  let mut x83: u32 = 0;
+  let mut x84: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x83, &mut x84, x82, x59, (0x0 as u32));
+  let mut x85: u32 = 0;
+  let mut x86: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x85, &mut x86, x84, x61, (0x0 as u32));
+  let mut x87: u32 = 0;
+  let mut x88: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x87, &mut x88, x86, x63, (0x0 as u32));
+  let mut x89: u32 = 0;
+  let mut x90: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x89, &mut x90, x88, x65, (0x0 as u32));
+  let mut x91: u32 = 0;
+  let mut x92: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x91, &mut x92, x75, 0xd2253531);
+  let mut x93: u32 = 0;
+  let mut x94: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x93, &mut x94, x91, 0xffffffff);
+  let mut x95: u32 = 0;
+  let mut x96: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x95, &mut x96, x91, 0xffffffff);
+  let mut x97: u32 = 0;
+  let mut x98: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x97, &mut x98, x91, 0xffffffff);
+  let mut x99: u32 = 0;
+  let mut x100: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x99, &mut x100, x91, 0xffffffff);
+  let mut x101: u32 = 0;
+  let mut x102: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x101, &mut x102, x91, 0xffffffff);
+  let mut x103: u32 = 0;
+  let mut x104: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x103, &mut x104, x91, 0xffffffff);
+  let mut x105: u32 = 0;
+  let mut x106: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x105, &mut x106, x91, 0xfffffffe);
+  let mut x107: u32 = 0;
+  let mut x108: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x107, &mut x108, x91, 0xfffffc2f);
+  let mut x109: u32 = 0;
+  let mut x110: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x109, &mut x110, 0x0, x108, x105);
+  let mut x111: u32 = 0;
+  let mut x112: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x111, &mut x112, x110, x106, x103);
+  let mut x113: u32 = 0;
+  let mut x114: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x113, &mut x114, x112, x104, x101);
+  let mut x115: u32 = 0;
+  let mut x116: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x115, &mut x116, x114, x102, x99);
+  let mut x117: u32 = 0;
+  let mut x118: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x117, &mut x118, x116, x100, x97);
+  let mut x119: u32 = 0;
+  let mut x120: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x119, &mut x120, x118, x98, x95);
+  let mut x121: u32 = 0;
+  let mut x122: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x121, &mut x122, x120, x96, x93);
+  let mut x123: u32 = 0;
+  let mut x124: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x123, &mut x124, 0x0, x75, x107);
+  let mut x125: u32 = 0;
+  let mut x126: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x125, &mut x126, x124, x77, x109);
+  let mut x127: u32 = 0;
+  let mut x128: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x127, &mut x128, x126, x79, x111);
+  let mut x129: u32 = 0;
+  let mut x130: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x129, &mut x130, x128, x81, x113);
+  let mut x131: u32 = 0;
+  let mut x132: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x131, &mut x132, x130, x83, x115);
+  let mut x133: u32 = 0;
+  let mut x134: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x133, &mut x134, x132, x85, x117);
+  let mut x135: u32 = 0;
+  let mut x136: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x135, &mut x136, x134, x87, x119);
+  let mut x137: u32 = 0;
+  let mut x138: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x137, &mut x138, x136, x89, x121);
+  let mut x139: u32 = 0;
+  let mut x140: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x139, &mut x140, x138, ((x90 as u32) + (x66 as u32)), ((x122 as u32) + x94));
+  let mut x141: u32 = 0;
+  let mut x142: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x141, &mut x142, x2, 0x7a2);
+  let mut x143: u32 = 0;
+  let mut x144: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x143, &mut x144, x2, 0xe90a1);
+  let mut x145: u32 = 0;
+  let mut x146: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x145, &mut x146, 0x0, x144, x141);
+  let mut x147: u32 = 0;
+  let mut x148: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x147, &mut x148, x146, x142, x2);
+  let mut x149: u32 = 0;
+  let mut x150: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x149, &mut x150, 0x0, x125, x143);
+  let mut x151: u32 = 0;
+  let mut x152: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x151, &mut x152, x150, x127, x145);
+  let mut x153: u32 = 0;
+  let mut x154: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x153, &mut x154, x152, x129, x147);
+  let mut x155: u32 = 0;
+  let mut x156: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x155, &mut x156, x154, x131, (x148 as u32));
+  let mut x157: u32 = 0;
+  let mut x158: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x157, &mut x158, x156, x133, (0x0 as u32));
+  let mut x159: u32 = 0;
+  let mut x160: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x159, &mut x160, x158, x135, (0x0 as u32));
+  let mut x161: u32 = 0;
+  let mut x162: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x161, &mut x162, x160, x137, (0x0 as u32));
+  let mut x163: u32 = 0;
+  let mut x164: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x163, &mut x164, x162, x139, (0x0 as u32));
+  let mut x165: u32 = 0;
+  let mut x166: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x165, &mut x166, x149, 0xd2253531);
+  let mut x167: u32 = 0;
+  let mut x168: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x167, &mut x168, x165, 0xffffffff);
+  let mut x169: u32 = 0;
+  let mut x170: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x169, &mut x170, x165, 0xffffffff);
+  let mut x171: u32 = 0;
+  let mut x172: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x171, &mut x172, x165, 0xffffffff);
+  let mut x173: u32 = 0;
+  let mut x174: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x173, &mut x174, x165, 0xffffffff);
+  let mut x175: u32 = 0;
+  let mut x176: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x175, &mut x176, x165, 0xffffffff);
+  let mut x177: u32 = 0;
+  let mut x178: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x177, &mut x178, x165, 0xffffffff);
+  let mut x179: u32 = 0;
+  let mut x180: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x179, &mut x180, x165, 0xfffffffe);
+  let mut x181: u32 = 0;
+  let mut x182: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x181, &mut x182, x165, 0xfffffc2f);
+  let mut x183: u32 = 0;
+  let mut x184: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x183, &mut x184, 0x0, x182, x179);
+  let mut x185: u32 = 0;
+  let mut x186: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x185, &mut x186, x184, x180, x177);
+  let mut x187: u32 = 0;
+  let mut x188: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x187, &mut x188, x186, x178, x175);
+  let mut x189: u32 = 0;
+  let mut x190: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x189, &mut x190, x188, x176, x173);
+  let mut x191: u32 = 0;
+  let mut x192: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x191, &mut x192, x190, x174, x171);
+  let mut x193: u32 = 0;
+  let mut x194: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x193, &mut x194, x192, x172, x169);
+  let mut x195: u32 = 0;
+  let mut x196: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x195, &mut x196, x194, x170, x167);
+  let mut x197: u32 = 0;
+  let mut x198: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x197, &mut x198, 0x0, x149, x181);
+  let mut x199: u32 = 0;
+  let mut x200: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x199, &mut x200, x198, x151, x183);
+  let mut x201: u32 = 0;
+  let mut x202: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x201, &mut x202, x200, x153, x185);
+  let mut x203: u32 = 0;
+  let mut x204: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x203, &mut x204, x202, x155, x187);
+  let mut x205: u32 = 0;
+  let mut x206: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x205, &mut x206, x204, x157, x189);
+  let mut x207: u32 = 0;
+  let mut x208: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x207, &mut x208, x206, x159, x191);
+  let mut x209: u32 = 0;
+  let mut x210: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x209, &mut x210, x208, x161, x193);
+  let mut x211: u32 = 0;
+  let mut x212: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x211, &mut x212, x210, x163, x195);
+  let mut x213: u32 = 0;
+  let mut x214: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x213, &mut x214, x212, ((x164 as u32) + (x140 as u32)), ((x196 as u32) + x168));
+  let mut x215: u32 = 0;
+  let mut x216: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x215, &mut x216, x3, 0x7a2);
+  let mut x217: u32 = 0;
+  let mut x218: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x217, &mut x218, x3, 0xe90a1);
+  let mut x219: u32 = 0;
+  let mut x220: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x219, &mut x220, 0x0, x218, x215);
+  let mut x221: u32 = 0;
+  let mut x222: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x221, &mut x222, x220, x216, x3);
+  let mut x223: u32 = 0;
+  let mut x224: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x223, &mut x224, 0x0, x199, x217);
+  let mut x225: u32 = 0;
+  let mut x226: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x225, &mut x226, x224, x201, x219);
+  let mut x227: u32 = 0;
+  let mut x228: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x227, &mut x228, x226, x203, x221);
+  let mut x229: u32 = 0;
+  let mut x230: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x229, &mut x230, x228, x205, (x222 as u32));
+  let mut x231: u32 = 0;
+  let mut x232: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x231, &mut x232, x230, x207, (0x0 as u32));
+  let mut x233: u32 = 0;
+  let mut x234: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x233, &mut x234, x232, x209, (0x0 as u32));
+  let mut x235: u32 = 0;
+  let mut x236: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x235, &mut x236, x234, x211, (0x0 as u32));
+  let mut x237: u32 = 0;
+  let mut x238: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x237, &mut x238, x236, x213, (0x0 as u32));
+  let mut x239: u32 = 0;
+  let mut x240: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x239, &mut x240, x223, 0xd2253531);
+  let mut x241: u32 = 0;
+  let mut x242: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x241, &mut x242, x239, 0xffffffff);
+  let mut x243: u32 = 0;
+  let mut x244: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x243, &mut x244, x239, 0xffffffff);
+  let mut x245: u32 = 0;
+  let mut x246: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x245, &mut x246, x239, 0xffffffff);
+  let mut x247: u32 = 0;
+  let mut x248: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x247, &mut x248, x239, 0xffffffff);
+  let mut x249: u32 = 0;
+  let mut x250: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x249, &mut x250, x239, 0xffffffff);
+  let mut x251: u32 = 0;
+  let mut x252: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x251, &mut x252, x239, 0xffffffff);
+  let mut x253: u32 = 0;
+  let mut x254: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x253, &mut x254, x239, 0xfffffffe);
+  let mut x255: u32 = 0;
+  let mut x256: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x255, &mut x256, x239, 0xfffffc2f);
+  let mut x257: u32 = 0;
+  let mut x258: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x257, &mut x258, 0x0, x256, x253);
+  let mut x259: u32 = 0;
+  let mut x260: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x259, &mut x260, x258, x254, x251);
+  let mut x261: u32 = 0;
+  let mut x262: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x261, &mut x262, x260, x252, x249);
+  let mut x263: u32 = 0;
+  let mut x264: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x263, &mut x264, x262, x250, x247);
+  let mut x265: u32 = 0;
+  let mut x266: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x265, &mut x266, x264, x248, x245);
+  let mut x267: u32 = 0;
+  let mut x268: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x267, &mut x268, x266, x246, x243);
+  let mut x269: u32 = 0;
+  let mut x270: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x269, &mut x270, x268, x244, x241);
+  let mut x271: u32 = 0;
+  let mut x272: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x271, &mut x272, 0x0, x223, x255);
+  let mut x273: u32 = 0;
+  let mut x274: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x273, &mut x274, x272, x225, x257);
+  let mut x275: u32 = 0;
+  let mut x276: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x275, &mut x276, x274, x227, x259);
+  let mut x277: u32 = 0;
+  let mut x278: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x277, &mut x278, x276, x229, x261);
+  let mut x279: u32 = 0;
+  let mut x280: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x279, &mut x280, x278, x231, x263);
+  let mut x281: u32 = 0;
+  let mut x282: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x281, &mut x282, x280, x233, x265);
+  let mut x283: u32 = 0;
+  let mut x284: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x283, &mut x284, x282, x235, x267);
+  let mut x285: u32 = 0;
+  let mut x286: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x285, &mut x286, x284, x237, x269);
+  let mut x287: u32 = 0;
+  let mut x288: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x287, &mut x288, x286, ((x238 as u32) + (x214 as u32)), ((x270 as u32) + x242));
+  let mut x289: u32 = 0;
+  let mut x290: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x289, &mut x290, x4, 0x7a2);
+  let mut x291: u32 = 0;
+  let mut x292: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x291, &mut x292, x4, 0xe90a1);
+  let mut x293: u32 = 0;
+  let mut x294: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x293, &mut x294, 0x0, x292, x289);
+  let mut x295: u32 = 0;
+  let mut x296: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x295, &mut x296, x294, x290, x4);
+  let mut x297: u32 = 0;
+  let mut x298: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x297, &mut x298, 0x0, x273, x291);
+  let mut x299: u32 = 0;
+  let mut x300: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x299, &mut x300, x298, x275, x293);
+  let mut x301: u32 = 0;
+  let mut x302: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x301, &mut x302, x300, x277, x295);
+  let mut x303: u32 = 0;
+  let mut x304: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x303, &mut x304, x302, x279, (x296 as u32));
+  let mut x305: u32 = 0;
+  let mut x306: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x305, &mut x306, x304, x281, (0x0 as u32));
+  let mut x307: u32 = 0;
+  let mut x308: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x307, &mut x308, x306, x283, (0x0 as u32));
+  let mut x309: u32 = 0;
+  let mut x310: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x309, &mut x310, x308, x285, (0x0 as u32));
+  let mut x311: u32 = 0;
+  let mut x312: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x311, &mut x312, x310, x287, (0x0 as u32));
+  let mut x313: u32 = 0;
+  let mut x314: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x313, &mut x314, x297, 0xd2253531);
+  let mut x315: u32 = 0;
+  let mut x316: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x315, &mut x316, x313, 0xffffffff);
+  let mut x317: u32 = 0;
+  let mut x318: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x317, &mut x318, x313, 0xffffffff);
+  let mut x319: u32 = 0;
+  let mut x320: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x319, &mut x320, x313, 0xffffffff);
+  let mut x321: u32 = 0;
+  let mut x322: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x321, &mut x322, x313, 0xffffffff);
+  let mut x323: u32 = 0;
+  let mut x324: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x323, &mut x324, x313, 0xffffffff);
+  let mut x325: u32 = 0;
+  let mut x326: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x325, &mut x326, x313, 0xffffffff);
+  let mut x327: u32 = 0;
+  let mut x328: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x327, &mut x328, x313, 0xfffffffe);
+  let mut x329: u32 = 0;
+  let mut x330: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x329, &mut x330, x313, 0xfffffc2f);
+  let mut x331: u32 = 0;
+  let mut x332: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x331, &mut x332, 0x0, x330, x327);
+  let mut x333: u32 = 0;
+  let mut x334: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x333, &mut x334, x332, x328, x325);
+  let mut x335: u32 = 0;
+  let mut x336: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x335, &mut x336, x334, x326, x323);
+  let mut x337: u32 = 0;
+  let mut x338: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x337, &mut x338, x336, x324, x321);
+  let mut x339: u32 = 0;
+  let mut x340: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x339, &mut x340, x338, x322, x319);
+  let mut x341: u32 = 0;
+  let mut x342: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x341, &mut x342, x340, x320, x317);
+  let mut x343: u32 = 0;
+  let mut x344: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x343, &mut x344, x342, x318, x315);
+  let mut x345: u32 = 0;
+  let mut x346: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x345, &mut x346, 0x0, x297, x329);
+  let mut x347: u32 = 0;
+  let mut x348: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x347, &mut x348, x346, x299, x331);
+  let mut x349: u32 = 0;
+  let mut x350: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x349, &mut x350, x348, x301, x333);
+  let mut x351: u32 = 0;
+  let mut x352: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x351, &mut x352, x350, x303, x335);
+  let mut x353: u32 = 0;
+  let mut x354: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x353, &mut x354, x352, x305, x337);
+  let mut x355: u32 = 0;
+  let mut x356: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x355, &mut x356, x354, x307, x339);
+  let mut x357: u32 = 0;
+  let mut x358: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x357, &mut x358, x356, x309, x341);
+  let mut x359: u32 = 0;
+  let mut x360: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x359, &mut x360, x358, x311, x343);
+  let mut x361: u32 = 0;
+  let mut x362: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x361, &mut x362, x360, ((x312 as u32) + (x288 as u32)), ((x344 as u32) + x316));
+  let mut x363: u32 = 0;
+  let mut x364: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x363, &mut x364, x5, 0x7a2);
+  let mut x365: u32 = 0;
+  let mut x366: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x365, &mut x366, x5, 0xe90a1);
+  let mut x367: u32 = 0;
+  let mut x368: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x367, &mut x368, 0x0, x366, x363);
+  let mut x369: u32 = 0;
+  let mut x370: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x369, &mut x370, x368, x364, x5);
+  let mut x371: u32 = 0;
+  let mut x372: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x371, &mut x372, 0x0, x347, x365);
+  let mut x373: u32 = 0;
+  let mut x374: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x373, &mut x374, x372, x349, x367);
+  let mut x375: u32 = 0;
+  let mut x376: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x375, &mut x376, x374, x351, x369);
+  let mut x377: u32 = 0;
+  let mut x378: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x377, &mut x378, x376, x353, (x370 as u32));
+  let mut x379: u32 = 0;
+  let mut x380: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x379, &mut x380, x378, x355, (0x0 as u32));
+  let mut x381: u32 = 0;
+  let mut x382: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x381, &mut x382, x380, x357, (0x0 as u32));
+  let mut x383: u32 = 0;
+  let mut x384: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x383, &mut x384, x382, x359, (0x0 as u32));
+  let mut x385: u32 = 0;
+  let mut x386: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x385, &mut x386, x384, x361, (0x0 as u32));
+  let mut x387: u32 = 0;
+  let mut x388: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x387, &mut x388, x371, 0xd2253531);
+  let mut x389: u32 = 0;
+  let mut x390: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x389, &mut x390, x387, 0xffffffff);
+  let mut x391: u32 = 0;
+  let mut x392: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x391, &mut x392, x387, 0xffffffff);
+  let mut x393: u32 = 0;
+  let mut x394: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x393, &mut x394, x387, 0xffffffff);
+  let mut x395: u32 = 0;
+  let mut x396: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x395, &mut x396, x387, 0xffffffff);
+  let mut x397: u32 = 0;
+  let mut x398: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x397, &mut x398, x387, 0xffffffff);
+  let mut x399: u32 = 0;
+  let mut x400: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x399, &mut x400, x387, 0xffffffff);
+  let mut x401: u32 = 0;
+  let mut x402: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x401, &mut x402, x387, 0xfffffffe);
+  let mut x403: u32 = 0;
+  let mut x404: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x403, &mut x404, x387, 0xfffffc2f);
+  let mut x405: u32 = 0;
+  let mut x406: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x405, &mut x406, 0x0, x404, x401);
+  let mut x407: u32 = 0;
+  let mut x408: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x407, &mut x408, x406, x402, x399);
+  let mut x409: u32 = 0;
+  let mut x410: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x409, &mut x410, x408, x400, x397);
+  let mut x411: u32 = 0;
+  let mut x412: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x411, &mut x412, x410, x398, x395);
+  let mut x413: u32 = 0;
+  let mut x414: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x413, &mut x414, x412, x396, x393);
+  let mut x415: u32 = 0;
+  let mut x416: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x415, &mut x416, x414, x394, x391);
+  let mut x417: u32 = 0;
+  let mut x418: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x417, &mut x418, x416, x392, x389);
+  let mut x419: u32 = 0;
+  let mut x420: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x419, &mut x420, 0x0, x371, x403);
+  let mut x421: u32 = 0;
+  let mut x422: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x421, &mut x422, x420, x373, x405);
+  let mut x423: u32 = 0;
+  let mut x424: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x423, &mut x424, x422, x375, x407);
+  let mut x425: u32 = 0;
+  let mut x426: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x425, &mut x426, x424, x377, x409);
+  let mut x427: u32 = 0;
+  let mut x428: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x427, &mut x428, x426, x379, x411);
+  let mut x429: u32 = 0;
+  let mut x430: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x429, &mut x430, x428, x381, x413);
+  let mut x431: u32 = 0;
+  let mut x432: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x431, &mut x432, x430, x383, x415);
+  let mut x433: u32 = 0;
+  let mut x434: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x433, &mut x434, x432, x385, x417);
+  let mut x435: u32 = 0;
+  let mut x436: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x435, &mut x436, x434, ((x386 as u32) + (x362 as u32)), ((x418 as u32) + x390));
+  let mut x437: u32 = 0;
+  let mut x438: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x437, &mut x438, x6, 0x7a2);
+  let mut x439: u32 = 0;
+  let mut x440: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x439, &mut x440, x6, 0xe90a1);
+  let mut x441: u32 = 0;
+  let mut x442: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x441, &mut x442, 0x0, x440, x437);
+  let mut x443: u32 = 0;
+  let mut x444: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x443, &mut x444, x442, x438, x6);
+  let mut x445: u32 = 0;
+  let mut x446: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x445, &mut x446, 0x0, x421, x439);
+  let mut x447: u32 = 0;
+  let mut x448: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x447, &mut x448, x446, x423, x441);
+  let mut x449: u32 = 0;
+  let mut x450: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x449, &mut x450, x448, x425, x443);
+  let mut x451: u32 = 0;
+  let mut x452: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x451, &mut x452, x450, x427, (x444 as u32));
+  let mut x453: u32 = 0;
+  let mut x454: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x453, &mut x454, x452, x429, (0x0 as u32));
+  let mut x455: u32 = 0;
+  let mut x456: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x455, &mut x456, x454, x431, (0x0 as u32));
+  let mut x457: u32 = 0;
+  let mut x458: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x457, &mut x458, x456, x433, (0x0 as u32));
+  let mut x459: u32 = 0;
+  let mut x460: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x459, &mut x460, x458, x435, (0x0 as u32));
+  let mut x461: u32 = 0;
+  let mut x462: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x461, &mut x462, x445, 0xd2253531);
+  let mut x463: u32 = 0;
+  let mut x464: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x463, &mut x464, x461, 0xffffffff);
+  let mut x465: u32 = 0;
+  let mut x466: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x465, &mut x466, x461, 0xffffffff);
+  let mut x467: u32 = 0;
+  let mut x468: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x467, &mut x468, x461, 0xffffffff);
+  let mut x469: u32 = 0;
+  let mut x470: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x469, &mut x470, x461, 0xffffffff);
+  let mut x471: u32 = 0;
+  let mut x472: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x471, &mut x472, x461, 0xffffffff);
+  let mut x473: u32 = 0;
+  let mut x474: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x473, &mut x474, x461, 0xffffffff);
+  let mut x475: u32 = 0;
+  let mut x476: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x475, &mut x476, x461, 0xfffffffe);
+  let mut x477: u32 = 0;
+  let mut x478: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x477, &mut x478, x461, 0xfffffc2f);
+  let mut x479: u32 = 0;
+  let mut x480: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x479, &mut x480, 0x0, x478, x475);
+  let mut x481: u32 = 0;
+  let mut x482: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x481, &mut x482, x480, x476, x473);
+  let mut x483: u32 = 0;
+  let mut x484: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x483, &mut x484, x482, x474, x471);
+  let mut x485: u32 = 0;
+  let mut x486: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x485, &mut x486, x484, x472, x469);
+  let mut x487: u32 = 0;
+  let mut x488: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x487, &mut x488, x486, x470, x467);
+  let mut x489: u32 = 0;
+  let mut x490: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x489, &mut x490, x488, x468, x465);
+  let mut x491: u32 = 0;
+  let mut x492: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x491, &mut x492, x490, x466, x463);
+  let mut x493: u32 = 0;
+  let mut x494: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x493, &mut x494, 0x0, x445, x477);
+  let mut x495: u32 = 0;
+  let mut x496: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x495, &mut x496, x494, x447, x479);
+  let mut x497: u32 = 0;
+  let mut x498: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x497, &mut x498, x496, x449, x481);
+  let mut x499: u32 = 0;
+  let mut x500: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x499, &mut x500, x498, x451, x483);
+  let mut x501: u32 = 0;
+  let mut x502: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x501, &mut x502, x500, x453, x485);
+  let mut x503: u32 = 0;
+  let mut x504: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x503, &mut x504, x502, x455, x487);
+  let mut x505: u32 = 0;
+  let mut x506: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x505, &mut x506, x504, x457, x489);
+  let mut x507: u32 = 0;
+  let mut x508: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x507, &mut x508, x506, x459, x491);
+  let mut x509: u32 = 0;
+  let mut x510: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x509, &mut x510, x508, ((x460 as u32) + (x436 as u32)), ((x492 as u32) + x464));
+  let mut x511: u32 = 0;
+  let mut x512: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x511, &mut x512, x7, 0x7a2);
+  let mut x513: u32 = 0;
+  let mut x514: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x513, &mut x514, x7, 0xe90a1);
+  let mut x515: u32 = 0;
+  let mut x516: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x515, &mut x516, 0x0, x514, x511);
+  let mut x517: u32 = 0;
+  let mut x518: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x517, &mut x518, x516, x512, x7);
+  let mut x519: u32 = 0;
+  let mut x520: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x519, &mut x520, 0x0, x495, x513);
+  let mut x521: u32 = 0;
+  let mut x522: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x521, &mut x522, x520, x497, x515);
+  let mut x523: u32 = 0;
+  let mut x524: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x523, &mut x524, x522, x499, x517);
+  let mut x525: u32 = 0;
+  let mut x526: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x525, &mut x526, x524, x501, (x518 as u32));
+  let mut x527: u32 = 0;
+  let mut x528: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x527, &mut x528, x526, x503, (0x0 as u32));
+  let mut x529: u32 = 0;
+  let mut x530: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x529, &mut x530, x528, x505, (0x0 as u32));
+  let mut x531: u32 = 0;
+  let mut x532: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x531, &mut x532, x530, x507, (0x0 as u32));
+  let mut x533: u32 = 0;
+  let mut x534: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x533, &mut x534, x532, x509, (0x0 as u32));
+  let mut x535: u32 = 0;
+  let mut x536: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x535, &mut x536, x519, 0xd2253531);
+  let mut x537: u32 = 0;
+  let mut x538: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x537, &mut x538, x535, 0xffffffff);
+  let mut x539: u32 = 0;
+  let mut x540: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x539, &mut x540, x535, 0xffffffff);
+  let mut x541: u32 = 0;
+  let mut x542: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x541, &mut x542, x535, 0xffffffff);
+  let mut x543: u32 = 0;
+  let mut x544: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x543, &mut x544, x535, 0xffffffff);
+  let mut x545: u32 = 0;
+  let mut x546: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x545, &mut x546, x535, 0xffffffff);
+  let mut x547: u32 = 0;
+  let mut x548: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x547, &mut x548, x535, 0xffffffff);
+  let mut x549: u32 = 0;
+  let mut x550: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x549, &mut x550, x535, 0xfffffffe);
+  let mut x551: u32 = 0;
+  let mut x552: u32 = 0;
+  fiat_secp256k1_montgomery_mulx_u32(&mut x551, &mut x552, x535, 0xfffffc2f);
+  let mut x553: u32 = 0;
+  let mut x554: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x553, &mut x554, 0x0, x552, x549);
+  let mut x555: u32 = 0;
+  let mut x556: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x555, &mut x556, x554, x550, x547);
+  let mut x557: u32 = 0;
+  let mut x558: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x557, &mut x558, x556, x548, x545);
+  let mut x559: u32 = 0;
+  let mut x560: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x559, &mut x560, x558, x546, x543);
+  let mut x561: u32 = 0;
+  let mut x562: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x561, &mut x562, x560, x544, x541);
+  let mut x563: u32 = 0;
+  let mut x564: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x563, &mut x564, x562, x542, x539);
+  let mut x565: u32 = 0;
+  let mut x566: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x565, &mut x566, x564, x540, x537);
+  let mut x567: u32 = 0;
+  let mut x568: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x567, &mut x568, 0x0, x519, x551);
+  let mut x569: u32 = 0;
+  let mut x570: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x569, &mut x570, x568, x521, x553);
+  let mut x571: u32 = 0;
+  let mut x572: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x571, &mut x572, x570, x523, x555);
+  let mut x573: u32 = 0;
+  let mut x574: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x573, &mut x574, x572, x525, x557);
+  let mut x575: u32 = 0;
+  let mut x576: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x575, &mut x576, x574, x527, x559);
+  let mut x577: u32 = 0;
+  let mut x578: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x577, &mut x578, x576, x529, x561);
+  let mut x579: u32 = 0;
+  let mut x580: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x579, &mut x580, x578, x531, x563);
+  let mut x581: u32 = 0;
+  let mut x582: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x581, &mut x582, x580, x533, x565);
+  let mut x583: u32 = 0;
+  let mut x584: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x583, &mut x584, x582, ((x534 as u32) + (x510 as u32)), ((x566 as u32) + x538));
+  let mut x585: u32 = 0;
+  let mut x586: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x585, &mut x586, 0x0, x569, 0xfffffc2f);
+  let mut x587: u32 = 0;
+  let mut x588: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x587, &mut x588, x586, x571, 0xfffffffe);
+  let mut x589: u32 = 0;
+  let mut x590: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x589, &mut x590, x588, x573, 0xffffffff);
+  let mut x591: u32 = 0;
+  let mut x592: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x591, &mut x592, x590, x575, 0xffffffff);
+  let mut x593: u32 = 0;
+  let mut x594: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x593, &mut x594, x592, x577, 0xffffffff);
+  let mut x595: u32 = 0;
+  let mut x596: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x595, &mut x596, x594, x579, 0xffffffff);
+  let mut x597: u32 = 0;
+  let mut x598: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x597, &mut x598, x596, x581, 0xffffffff);
+  let mut x599: u32 = 0;
+  let mut x600: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x599, &mut x600, x598, x583, 0xffffffff);
+  let mut x601: u32 = 0;
+  let mut x602: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x601, &mut x602, x600, (x584 as u32), (0x0 as u32));
+  let mut x603: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x603, x602, x585, x569);
+  let mut x604: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x604, x602, x587, x571);
+  let mut x605: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x605, x602, x589, x573);
+  let mut x606: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x606, x602, x591, x575);
+  let mut x607: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x607, x602, x593, x577);
+  let mut x608: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x608, x602, x595, x579);
+  let mut x609: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x609, x602, x597, x581);
+  let mut x610: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x610, x602, x599, x583);
+  out1[0] = x603;
+  out1[1] = x604;
+  out1[2] = x605;
+  out1[3] = x606;
+  out1[4] = x607;
+  out1[5] = x608;
+  out1[6] = x609;
+  out1[7] = x610;
+}
+
+/// The function fiat_secp256k1_montgomery_nonzero outputs a single non-zero word if the input is non-zero and zero otherwise.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   out1 = 0 ↔ eval (from_montgomery arg1) mod m = 0
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffff]
+#[inline]
+pub fn fiat_secp256k1_montgomery_nonzero(out1: &mut u32, arg1: &[u32; 8]) -> () {
+  let x1: u32 = ((arg1[0]) | ((arg1[1]) | ((arg1[2]) | ((arg1[3]) | ((arg1[4]) | ((arg1[5]) | ((arg1[6]) | (arg1[7]))))))));
+  *out1 = x1;
+}
+
+/// The function fiat_secp256k1_montgomery_selectznz is a multi-limb conditional select.
+///
+/// Postconditions:
+///   out1 = (if arg1 = 0 then arg2 else arg3)
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+///   arg3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_selectznz(out1: &mut [u32; 8], arg1: fiat_secp256k1_montgomery_u1, arg2: &[u32; 8], arg3: &[u32; 8]) -> () {
+  let mut x1: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x1, arg1, (arg2[0]), (arg3[0]));
+  let mut x2: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x2, arg1, (arg2[1]), (arg3[1]));
+  let mut x3: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x3, arg1, (arg2[2]), (arg3[2]));
+  let mut x4: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x4, arg1, (arg2[3]), (arg3[3]));
+  let mut x5: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x5, arg1, (arg2[4]), (arg3[4]));
+  let mut x6: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x6, arg1, (arg2[5]), (arg3[5]));
+  let mut x7: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x7, arg1, (arg2[6]), (arg3[6]));
+  let mut x8: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x8, arg1, (arg2[7]), (arg3[7]));
+  out1[0] = x1;
+  out1[1] = x2;
+  out1[2] = x3;
+  out1[3] = x4;
+  out1[4] = x5;
+  out1[5] = x6;
+  out1[6] = x7;
+  out1[7] = x8;
+}
+
+/// The function fiat_secp256k1_montgomery_to_bytes serializes a field element NOT in the Montgomery domain to bytes in little-endian order.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   out1 = map (λ x, ⌊((eval arg1 mod m) mod 2^(8 * (x + 1))) / 2^(8 * x)⌋) [0..31]
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_to_bytes(out1: &mut [u8; 32], arg1: &[u32; 8]) -> () {
+  let x1: u32 = (arg1[7]);
+  let x2: u32 = (arg1[6]);
+  let x3: u32 = (arg1[5]);
+  let x4: u32 = (arg1[4]);
+  let x5: u32 = (arg1[3]);
+  let x6: u32 = (arg1[2]);
+  let x7: u32 = (arg1[1]);
+  let x8: u32 = (arg1[0]);
+  let x9: u8 = ((x8 & (0xff as u32)) as u8);
+  let x10: u32 = (x8 >> 8);
+  let x11: u8 = ((x10 & (0xff as u32)) as u8);
+  let x12: u32 = (x10 >> 8);
+  let x13: u8 = ((x12 & (0xff as u32)) as u8);
+  let x14: u8 = ((x12 >> 8) as u8);
+  let x15: u8 = ((x7 & (0xff as u32)) as u8);
+  let x16: u32 = (x7 >> 8);
+  let x17: u8 = ((x16 & (0xff as u32)) as u8);
+  let x18: u32 = (x16 >> 8);
+  let x19: u8 = ((x18 & (0xff as u32)) as u8);
+  let x20: u8 = ((x18 >> 8) as u8);
+  let x21: u8 = ((x6 & (0xff as u32)) as u8);
+  let x22: u32 = (x6 >> 8);
+  let x23: u8 = ((x22 & (0xff as u32)) as u8);
+  let x24: u32 = (x22 >> 8);
+  let x25: u8 = ((x24 & (0xff as u32)) as u8);
+  let x26: u8 = ((x24 >> 8) as u8);
+  let x27: u8 = ((x5 & (0xff as u32)) as u8);
+  let x28: u32 = (x5 >> 8);
+  let x29: u8 = ((x28 & (0xff as u32)) as u8);
+  let x30: u32 = (x28 >> 8);
+  let x31: u8 = ((x30 & (0xff as u32)) as u8);
+  let x32: u8 = ((x30 >> 8) as u8);
+  let x33: u8 = ((x4 & (0xff as u32)) as u8);
+  let x34: u32 = (x4 >> 8);
+  let x35: u8 = ((x34 & (0xff as u32)) as u8);
+  let x36: u32 = (x34 >> 8);
+  let x37: u8 = ((x36 & (0xff as u32)) as u8);
+  let x38: u8 = ((x36 >> 8) as u8);
+  let x39: u8 = ((x3 & (0xff as u32)) as u8);
+  let x40: u32 = (x3 >> 8);
+  let x41: u8 = ((x40 & (0xff as u32)) as u8);
+  let x42: u32 = (x40 >> 8);
+  let x43: u8 = ((x42 & (0xff as u32)) as u8);
+  let x44: u8 = ((x42 >> 8) as u8);
+  let x45: u8 = ((x2 & (0xff as u32)) as u8);
+  let x46: u32 = (x2 >> 8);
+  let x47: u8 = ((x46 & (0xff as u32)) as u8);
+  let x48: u32 = (x46 >> 8);
+  let x49: u8 = ((x48 & (0xff as u32)) as u8);
+  let x50: u8 = ((x48 >> 8) as u8);
+  let x51: u8 = ((x1 & (0xff as u32)) as u8);
+  let x52: u32 = (x1 >> 8);
+  let x53: u8 = ((x52 & (0xff as u32)) as u8);
+  let x54: u32 = (x52 >> 8);
+  let x55: u8 = ((x54 & (0xff as u32)) as u8);
+  let x56: u8 = ((x54 >> 8) as u8);
+  out1[0] = x9;
+  out1[1] = x11;
+  out1[2] = x13;
+  out1[3] = x14;
+  out1[4] = x15;
+  out1[5] = x17;
+  out1[6] = x19;
+  out1[7] = x20;
+  out1[8] = x21;
+  out1[9] = x23;
+  out1[10] = x25;
+  out1[11] = x26;
+  out1[12] = x27;
+  out1[13] = x29;
+  out1[14] = x31;
+  out1[15] = x32;
+  out1[16] = x33;
+  out1[17] = x35;
+  out1[18] = x37;
+  out1[19] = x38;
+  out1[20] = x39;
+  out1[21] = x41;
+  out1[22] = x43;
+  out1[23] = x44;
+  out1[24] = x45;
+  out1[25] = x47;
+  out1[26] = x49;
+  out1[27] = x50;
+  out1[28] = x51;
+  out1[29] = x53;
+  out1[30] = x55;
+  out1[31] = x56;
+}
+
+/// The function fiat_secp256k1_montgomery_from_bytes deserializes a field element NOT in the Montgomery domain from bytes in little-endian order.
+///
+/// Preconditions:
+///   0 ≤ bytes_eval arg1 < m
+/// Postconditions:
+///   eval out1 mod m = bytes_eval arg1 mod m
+///   0 ≤ eval out1 < m
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_from_bytes(out1: &mut [u32; 8], arg1: &[u8; 32]) -> () {
+  let x1: u32 = (((arg1[31]) as u32) << 24);
+  let x2: u32 = (((arg1[30]) as u32) << 16);
+  let x3: u32 = (((arg1[29]) as u32) << 8);
+  let x4: u8 = (arg1[28]);
+  let x5: u32 = (((arg1[27]) as u32) << 24);
+  let x6: u32 = (((arg1[26]) as u32) << 16);
+  let x7: u32 = (((arg1[25]) as u32) << 8);
+  let x8: u8 = (arg1[24]);
+  let x9: u32 = (((arg1[23]) as u32) << 24);
+  let x10: u32 = (((arg1[22]) as u32) << 16);
+  let x11: u32 = (((arg1[21]) as u32) << 8);
+  let x12: u8 = (arg1[20]);
+  let x13: u32 = (((arg1[19]) as u32) << 24);
+  let x14: u32 = (((arg1[18]) as u32) << 16);
+  let x15: u32 = (((arg1[17]) as u32) << 8);
+  let x16: u8 = (arg1[16]);
+  let x17: u32 = (((arg1[15]) as u32) << 24);
+  let x18: u32 = (((arg1[14]) as u32) << 16);
+  let x19: u32 = (((arg1[13]) as u32) << 8);
+  let x20: u8 = (arg1[12]);
+  let x21: u32 = (((arg1[11]) as u32) << 24);
+  let x22: u32 = (((arg1[10]) as u32) << 16);
+  let x23: u32 = (((arg1[9]) as u32) << 8);
+  let x24: u8 = (arg1[8]);
+  let x25: u32 = (((arg1[7]) as u32) << 24);
+  let x26: u32 = (((arg1[6]) as u32) << 16);
+  let x27: u32 = (((arg1[5]) as u32) << 8);
+  let x28: u8 = (arg1[4]);
+  let x29: u32 = (((arg1[3]) as u32) << 24);
+  let x30: u32 = (((arg1[2]) as u32) << 16);
+  let x31: u32 = (((arg1[1]) as u32) << 8);
+  let x32: u8 = (arg1[0]);
+  let x33: u32 = (x31 + (x32 as u32));
+  let x34: u32 = (x30 + x33);
+  let x35: u32 = (x29 + x34);
+  let x36: u32 = (x27 + (x28 as u32));
+  let x37: u32 = (x26 + x36);
+  let x38: u32 = (x25 + x37);
+  let x39: u32 = (x23 + (x24 as u32));
+  let x40: u32 = (x22 + x39);
+  let x41: u32 = (x21 + x40);
+  let x42: u32 = (x19 + (x20 as u32));
+  let x43: u32 = (x18 + x42);
+  let x44: u32 = (x17 + x43);
+  let x45: u32 = (x15 + (x16 as u32));
+  let x46: u32 = (x14 + x45);
+  let x47: u32 = (x13 + x46);
+  let x48: u32 = (x11 + (x12 as u32));
+  let x49: u32 = (x10 + x48);
+  let x50: u32 = (x9 + x49);
+  let x51: u32 = (x7 + (x8 as u32));
+  let x52: u32 = (x6 + x51);
+  let x53: u32 = (x5 + x52);
+  let x54: u32 = (x3 + (x4 as u32));
+  let x55: u32 = (x2 + x54);
+  let x56: u32 = (x1 + x55);
+  out1[0] = x35;
+  out1[1] = x38;
+  out1[2] = x41;
+  out1[3] = x44;
+  out1[4] = x47;
+  out1[5] = x50;
+  out1[6] = x53;
+  out1[7] = x56;
+}
+
+/// The function fiat_secp256k1_montgomery_set_one returns the field element one in the Montgomery domain.
+///
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = 1 mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_set_one(out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element) -> () {
+  out1[0] = 0x3d1;
+  out1[1] = (0x1 as u32);
+  out1[2] = (0x0 as u32);
+  out1[3] = (0x0 as u32);
+  out1[4] = (0x0 as u32);
+  out1[5] = (0x0 as u32);
+  out1[6] = (0x0 as u32);
+  out1[7] = (0x0 as u32);
+}
+
+/// The function fiat_secp256k1_montgomery_msat returns the saturated representation of the prime modulus.
+///
+/// Postconditions:
+///   twos_complement_eval out1 = m
+///   0 ≤ eval out1 < m
+///
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_msat(out1: &mut [u32; 9]) -> () {
+  out1[0] = 0xfffffc2f;
+  out1[1] = 0xfffffffe;
+  out1[2] = 0xffffffff;
+  out1[3] = 0xffffffff;
+  out1[4] = 0xffffffff;
+  out1[5] = 0xffffffff;
+  out1[6] = 0xffffffff;
+  out1[7] = 0xffffffff;
+  out1[8] = (0x0 as u32);
+}
+
+/// The function fiat_secp256k1_montgomery_divstep computes a divstep.
+///
+/// Preconditions:
+///   0 ≤ eval arg4 < m
+///   0 ≤ eval arg5 < m
+/// Postconditions:
+///   out1 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then 1 - arg1 else 1 + arg1)
+///   twos_complement_eval out2 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then twos_complement_eval arg3 else twos_complement_eval arg2)
+///   twos_complement_eval out3 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then ⌊(twos_complement_eval arg3 - twos_complement_eval arg2) / 2⌋ else ⌊(twos_complement_eval arg3 + (twos_complement_eval arg3 mod 2) * twos_complement_eval arg2) / 2⌋)
+///   eval (from_montgomery out4) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (2 * eval (from_montgomery arg5)) mod m else (2 * eval (from_montgomery arg4)) mod m)
+///   eval (from_montgomery out5) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (eval (from_montgomery arg4) - eval (from_montgomery arg4)) mod m else (eval (from_montgomery arg5) + (twos_complement_eval arg3 mod 2) * eval (from_montgomery arg4)) mod m)
+///   0 ≤ eval out5 < m
+///   0 ≤ eval out5 < m
+///   0 ≤ eval out2 < m
+///   0 ≤ eval out3 < m
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0xffffffff]
+///   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+///   arg3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+///   arg4: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+///   arg5: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffff]
+///   out2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+///   out3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+///   out4: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+///   out5: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_divstep(out1: &mut u32, out2: &mut [u32; 9], out3: &mut [u32; 9], out4: &mut [u32; 8], out5: &mut [u32; 8], arg1: u32, arg2: &[u32; 9], arg3: &[u32; 9], arg4: &[u32; 8], arg5: &[u32; 8]) -> () {
+  let mut x1: u32 = 0;
+  let mut x2: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x1, &mut x2, 0x0, (!arg1), (0x1 as u32));
+  let x3: fiat_secp256k1_montgomery_u1 = (((x1 >> 31) as fiat_secp256k1_montgomery_u1) & (((arg3[0]) & (0x1 as u32)) as fiat_secp256k1_montgomery_u1));
+  let mut x4: u32 = 0;
+  let mut x5: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x4, &mut x5, 0x0, (!arg1), (0x1 as u32));
+  let mut x6: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x6, x3, arg1, x4);
+  let mut x7: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x7, x3, (arg2[0]), (arg3[0]));
+  let mut x8: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x8, x3, (arg2[1]), (arg3[1]));
+  let mut x9: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x9, x3, (arg2[2]), (arg3[2]));
+  let mut x10: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x10, x3, (arg2[3]), (arg3[3]));
+  let mut x11: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x11, x3, (arg2[4]), (arg3[4]));
+  let mut x12: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x12, x3, (arg2[5]), (arg3[5]));
+  let mut x13: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x13, x3, (arg2[6]), (arg3[6]));
+  let mut x14: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x14, x3, (arg2[7]), (arg3[7]));
+  let mut x15: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x15, x3, (arg2[8]), (arg3[8]));
+  let mut x16: u32 = 0;
+  let mut x17: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x16, &mut x17, 0x0, (0x1 as u32), (!(arg2[0])));
+  let mut x18: u32 = 0;
+  let mut x19: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x18, &mut x19, x17, (0x0 as u32), (!(arg2[1])));
+  let mut x20: u32 = 0;
+  let mut x21: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x20, &mut x21, x19, (0x0 as u32), (!(arg2[2])));
+  let mut x22: u32 = 0;
+  let mut x23: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x22, &mut x23, x21, (0x0 as u32), (!(arg2[3])));
+  let mut x24: u32 = 0;
+  let mut x25: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x24, &mut x25, x23, (0x0 as u32), (!(arg2[4])));
+  let mut x26: u32 = 0;
+  let mut x27: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x26, &mut x27, x25, (0x0 as u32), (!(arg2[5])));
+  let mut x28: u32 = 0;
+  let mut x29: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x28, &mut x29, x27, (0x0 as u32), (!(arg2[6])));
+  let mut x30: u32 = 0;
+  let mut x31: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x30, &mut x31, x29, (0x0 as u32), (!(arg2[7])));
+  let mut x32: u32 = 0;
+  let mut x33: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x32, &mut x33, x31, (0x0 as u32), (!(arg2[8])));
+  let mut x34: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x34, x3, (arg3[0]), x16);
+  let mut x35: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x35, x3, (arg3[1]), x18);
+  let mut x36: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x36, x3, (arg3[2]), x20);
+  let mut x37: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x37, x3, (arg3[3]), x22);
+  let mut x38: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x38, x3, (arg3[4]), x24);
+  let mut x39: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x39, x3, (arg3[5]), x26);
+  let mut x40: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x40, x3, (arg3[6]), x28);
+  let mut x41: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x41, x3, (arg3[7]), x30);
+  let mut x42: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x42, x3, (arg3[8]), x32);
+  let mut x43: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x43, x3, (arg4[0]), (arg5[0]));
+  let mut x44: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x44, x3, (arg4[1]), (arg5[1]));
+  let mut x45: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x45, x3, (arg4[2]), (arg5[2]));
+  let mut x46: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x46, x3, (arg4[3]), (arg5[3]));
+  let mut x47: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x47, x3, (arg4[4]), (arg5[4]));
+  let mut x48: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x48, x3, (arg4[5]), (arg5[5]));
+  let mut x49: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x49, x3, (arg4[6]), (arg5[6]));
+  let mut x50: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x50, x3, (arg4[7]), (arg5[7]));
+  let mut x51: u32 = 0;
+  let mut x52: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x51, &mut x52, 0x0, x43, x43);
+  let mut x53: u32 = 0;
+  let mut x54: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x53, &mut x54, x52, x44, x44);
+  let mut x55: u32 = 0;
+  let mut x56: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x55, &mut x56, x54, x45, x45);
+  let mut x57: u32 = 0;
+  let mut x58: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x57, &mut x58, x56, x46, x46);
+  let mut x59: u32 = 0;
+  let mut x60: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x59, &mut x60, x58, x47, x47);
+  let mut x61: u32 = 0;
+  let mut x62: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x61, &mut x62, x60, x48, x48);
+  let mut x63: u32 = 0;
+  let mut x64: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x63, &mut x64, x62, x49, x49);
+  let mut x65: u32 = 0;
+  let mut x66: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x65, &mut x66, x64, x50, x50);
+  let mut x67: u32 = 0;
+  let mut x68: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x67, &mut x68, 0x0, x51, 0xfffffc2f);
+  let mut x69: u32 = 0;
+  let mut x70: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x69, &mut x70, x68, x53, 0xfffffffe);
+  let mut x71: u32 = 0;
+  let mut x72: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x71, &mut x72, x70, x55, 0xffffffff);
+  let mut x73: u32 = 0;
+  let mut x74: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x73, &mut x74, x72, x57, 0xffffffff);
+  let mut x75: u32 = 0;
+  let mut x76: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x75, &mut x76, x74, x59, 0xffffffff);
+  let mut x77: u32 = 0;
+  let mut x78: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x77, &mut x78, x76, x61, 0xffffffff);
+  let mut x79: u32 = 0;
+  let mut x80: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x79, &mut x80, x78, x63, 0xffffffff);
+  let mut x81: u32 = 0;
+  let mut x82: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x81, &mut x82, x80, x65, 0xffffffff);
+  let mut x83: u32 = 0;
+  let mut x84: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x83, &mut x84, x82, (x66 as u32), (0x0 as u32));
+  let x85: u32 = (arg4[7]);
+  let x86: u32 = (arg4[6]);
+  let x87: u32 = (arg4[5]);
+  let x88: u32 = (arg4[4]);
+  let x89: u32 = (arg4[3]);
+  let x90: u32 = (arg4[2]);
+  let x91: u32 = (arg4[1]);
+  let x92: u32 = (arg4[0]);
+  let mut x93: u32 = 0;
+  let mut x94: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x93, &mut x94, 0x0, (0x0 as u32), x92);
+  let mut x95: u32 = 0;
+  let mut x96: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x95, &mut x96, x94, (0x0 as u32), x91);
+  let mut x97: u32 = 0;
+  let mut x98: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x97, &mut x98, x96, (0x0 as u32), x90);
+  let mut x99: u32 = 0;
+  let mut x100: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x99, &mut x100, x98, (0x0 as u32), x89);
+  let mut x101: u32 = 0;
+  let mut x102: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x101, &mut x102, x100, (0x0 as u32), x88);
+  let mut x103: u32 = 0;
+  let mut x104: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x103, &mut x104, x102, (0x0 as u32), x87);
+  let mut x105: u32 = 0;
+  let mut x106: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x105, &mut x106, x104, (0x0 as u32), x86);
+  let mut x107: u32 = 0;
+  let mut x108: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x107, &mut x108, x106, (0x0 as u32), x85);
+  let mut x109: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x109, x108, (0x0 as u32), 0xffffffff);
+  let mut x110: u32 = 0;
+  let mut x111: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x110, &mut x111, 0x0, x93, (x109 & 0xfffffc2f));
+  let mut x112: u32 = 0;
+  let mut x113: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x112, &mut x113, x111, x95, (x109 & 0xfffffffe));
+  let mut x114: u32 = 0;
+  let mut x115: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x114, &mut x115, x113, x97, x109);
+  let mut x116: u32 = 0;
+  let mut x117: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x116, &mut x117, x115, x99, x109);
+  let mut x118: u32 = 0;
+  let mut x119: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x118, &mut x119, x117, x101, x109);
+  let mut x120: u32 = 0;
+  let mut x121: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x120, &mut x121, x119, x103, x109);
+  let mut x122: u32 = 0;
+  let mut x123: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x122, &mut x123, x121, x105, x109);
+  let mut x124: u32 = 0;
+  let mut x125: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x124, &mut x125, x123, x107, x109);
+  let mut x126: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x126, x3, (arg5[0]), x110);
+  let mut x127: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x127, x3, (arg5[1]), x112);
+  let mut x128: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x128, x3, (arg5[2]), x114);
+  let mut x129: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x129, x3, (arg5[3]), x116);
+  let mut x130: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x130, x3, (arg5[4]), x118);
+  let mut x131: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x131, x3, (arg5[5]), x120);
+  let mut x132: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x132, x3, (arg5[6]), x122);
+  let mut x133: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x133, x3, (arg5[7]), x124);
+  let x134: fiat_secp256k1_montgomery_u1 = ((x34 & (0x1 as u32)) as fiat_secp256k1_montgomery_u1);
+  let mut x135: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x135, x134, (0x0 as u32), x7);
+  let mut x136: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x136, x134, (0x0 as u32), x8);
+  let mut x137: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x137, x134, (0x0 as u32), x9);
+  let mut x138: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x138, x134, (0x0 as u32), x10);
+  let mut x139: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x139, x134, (0x0 as u32), x11);
+  let mut x140: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x140, x134, (0x0 as u32), x12);
+  let mut x141: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x141, x134, (0x0 as u32), x13);
+  let mut x142: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x142, x134, (0x0 as u32), x14);
+  let mut x143: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x143, x134, (0x0 as u32), x15);
+  let mut x144: u32 = 0;
+  let mut x145: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x144, &mut x145, 0x0, x34, x135);
+  let mut x146: u32 = 0;
+  let mut x147: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x146, &mut x147, x145, x35, x136);
+  let mut x148: u32 = 0;
+  let mut x149: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x148, &mut x149, x147, x36, x137);
+  let mut x150: u32 = 0;
+  let mut x151: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x150, &mut x151, x149, x37, x138);
+  let mut x152: u32 = 0;
+  let mut x153: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x152, &mut x153, x151, x38, x139);
+  let mut x154: u32 = 0;
+  let mut x155: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x154, &mut x155, x153, x39, x140);
+  let mut x156: u32 = 0;
+  let mut x157: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x156, &mut x157, x155, x40, x141);
+  let mut x158: u32 = 0;
+  let mut x159: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x158, &mut x159, x157, x41, x142);
+  let mut x160: u32 = 0;
+  let mut x161: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x160, &mut x161, x159, x42, x143);
+  let mut x162: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x162, x134, (0x0 as u32), x43);
+  let mut x163: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x163, x134, (0x0 as u32), x44);
+  let mut x164: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x164, x134, (0x0 as u32), x45);
+  let mut x165: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x165, x134, (0x0 as u32), x46);
+  let mut x166: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x166, x134, (0x0 as u32), x47);
+  let mut x167: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x167, x134, (0x0 as u32), x48);
+  let mut x168: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x168, x134, (0x0 as u32), x49);
+  let mut x169: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x169, x134, (0x0 as u32), x50);
+  let mut x170: u32 = 0;
+  let mut x171: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x170, &mut x171, 0x0, x126, x162);
+  let mut x172: u32 = 0;
+  let mut x173: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x172, &mut x173, x171, x127, x163);
+  let mut x174: u32 = 0;
+  let mut x175: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x174, &mut x175, x173, x128, x164);
+  let mut x176: u32 = 0;
+  let mut x177: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x176, &mut x177, x175, x129, x165);
+  let mut x178: u32 = 0;
+  let mut x179: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x178, &mut x179, x177, x130, x166);
+  let mut x180: u32 = 0;
+  let mut x181: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x180, &mut x181, x179, x131, x167);
+  let mut x182: u32 = 0;
+  let mut x183: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x182, &mut x183, x181, x132, x168);
+  let mut x184: u32 = 0;
+  let mut x185: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x184, &mut x185, x183, x133, x169);
+  let mut x186: u32 = 0;
+  let mut x187: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x186, &mut x187, 0x0, x170, 0xfffffc2f);
+  let mut x188: u32 = 0;
+  let mut x189: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x188, &mut x189, x187, x172, 0xfffffffe);
+  let mut x190: u32 = 0;
+  let mut x191: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x190, &mut x191, x189, x174, 0xffffffff);
+  let mut x192: u32 = 0;
+  let mut x193: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x192, &mut x193, x191, x176, 0xffffffff);
+  let mut x194: u32 = 0;
+  let mut x195: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x194, &mut x195, x193, x178, 0xffffffff);
+  let mut x196: u32 = 0;
+  let mut x197: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x196, &mut x197, x195, x180, 0xffffffff);
+  let mut x198: u32 = 0;
+  let mut x199: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x198, &mut x199, x197, x182, 0xffffffff);
+  let mut x200: u32 = 0;
+  let mut x201: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x200, &mut x201, x199, x184, 0xffffffff);
+  let mut x202: u32 = 0;
+  let mut x203: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u32(&mut x202, &mut x203, x201, (x185 as u32), (0x0 as u32));
+  let mut x204: u32 = 0;
+  let mut x205: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u32(&mut x204, &mut x205, 0x0, x6, (0x1 as u32));
+  let x206: u32 = ((x144 >> 1) | ((x146 << 31) & 0xffffffff));
+  let x207: u32 = ((x146 >> 1) | ((x148 << 31) & 0xffffffff));
+  let x208: u32 = ((x148 >> 1) | ((x150 << 31) & 0xffffffff));
+  let x209: u32 = ((x150 >> 1) | ((x152 << 31) & 0xffffffff));
+  let x210: u32 = ((x152 >> 1) | ((x154 << 31) & 0xffffffff));
+  let x211: u32 = ((x154 >> 1) | ((x156 << 31) & 0xffffffff));
+  let x212: u32 = ((x156 >> 1) | ((x158 << 31) & 0xffffffff));
+  let x213: u32 = ((x158 >> 1) | ((x160 << 31) & 0xffffffff));
+  let x214: u32 = ((x160 & 0x80000000) | (x160 >> 1));
+  let mut x215: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x215, x84, x67, x51);
+  let mut x216: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x216, x84, x69, x53);
+  let mut x217: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x217, x84, x71, x55);
+  let mut x218: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x218, x84, x73, x57);
+  let mut x219: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x219, x84, x75, x59);
+  let mut x220: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x220, x84, x77, x61);
+  let mut x221: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x221, x84, x79, x63);
+  let mut x222: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x222, x84, x81, x65);
+  let mut x223: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x223, x203, x186, x170);
+  let mut x224: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x224, x203, x188, x172);
+  let mut x225: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x225, x203, x190, x174);
+  let mut x226: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x226, x203, x192, x176);
+  let mut x227: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x227, x203, x194, x178);
+  let mut x228: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x228, x203, x196, x180);
+  let mut x229: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x229, x203, x198, x182);
+  let mut x230: u32 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u32(&mut x230, x203, x200, x184);
+  *out1 = x204;
+  out2[0] = x7;
+  out2[1] = x8;
+  out2[2] = x9;
+  out2[3] = x10;
+  out2[4] = x11;
+  out2[5] = x12;
+  out2[6] = x13;
+  out2[7] = x14;
+  out2[8] = x15;
+  out3[0] = x206;
+  out3[1] = x207;
+  out3[2] = x208;
+  out3[3] = x209;
+  out3[4] = x210;
+  out3[5] = x211;
+  out3[6] = x212;
+  out3[7] = x213;
+  out3[8] = x214;
+  out4[0] = x215;
+  out4[1] = x216;
+  out4[2] = x217;
+  out4[3] = x218;
+  out4[4] = x219;
+  out4[5] = x220;
+  out4[6] = x221;
+  out4[7] = x222;
+  out5[0] = x223;
+  out5[1] = x224;
+  out5[2] = x225;
+  out5[3] = x226;
+  out5[4] = x227;
+  out5[5] = x228;
+  out5[6] = x229;
+  out5[7] = x230;
+}
+
+/// The function fiat_secp256k1_montgomery_divstep_precomp returns the precomputed value for Bernstein-Yang-inversion (in montgomery form).
+///
+/// Postconditions:
+///   eval (from_montgomery out1) = ⌊(m - 1) / 2⌋^(if ⌊log2 m⌋ + 1 < 46 then ⌊(49 * (⌊log2 m⌋ + 1) + 80) / 17⌋ else ⌊(49 * (⌊log2 m⌋ + 1) + 57) / 17⌋)
+///   0 ≤ eval out1 < m
+///
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_divstep_precomp(out1: &mut [u32; 8]) -> () {
+  out1[0] = 0x31525e0a;
+  out1[1] = 0xf201a418;
+  out1[2] = 0xcd648d85;
+  out1[3] = 0x9953f9dd;
+  out1[4] = 0x3db210a9;
+  out1[5] = 0xe8602946;
+  out1[6] = 0x4b03709;
+  out1[7] = 0x24fb8a31;
+}
diff --git a/vendor/fiat-crypto/src/secp256k1_montgomery_64.rs b/vendor/fiat-crypto/src/secp256k1_montgomery_64.rs
new file mode 100644
index 000000000..f892ea561
--- /dev/null
+++ b/vendor/fiat-crypto/src/secp256k1_montgomery_64.rs
@@ -0,0 +1,1957 @@
+//! Autogenerated: 'src/ExtractionOCaml/word_by_word_montgomery' --lang Rust --inline secp256k1_montgomery 64 '2^256 - 2^32 - 977' mul square add sub opp from_montgomery to_montgomery nonzero selectznz to_bytes from_bytes one msat divstep divstep_precomp
+//! curve description: secp256k1_montgomery
+//! machine_wordsize = 64 (from "64")
+//! requested operations: mul, square, add, sub, opp, from_montgomery, to_montgomery, nonzero, selectznz, to_bytes, from_bytes, one, msat, divstep, divstep_precomp
+//! m = 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f (from "2^256 - 2^32 - 977")
+//!
+//! NOTE: In addition to the bounds specified above each function, all
+//!   functions synthesized for this Montgomery arithmetic require the
+//!   input to be strictly less than the prime modulus (m), and also
+//!   require the input to be in the unique saturated representation.
+//!   All functions also ensure that these two properties are true of
+//!   return values.
+//!
+//! Computed values:
+//!   eval z = z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192)
+//!   bytes_eval z = z[0] + (z[1] << 8) + (z[2] << 16) + (z[3] << 24) + (z[4] << 32) + (z[5] << 40) + (z[6] << 48) + (z[7] << 56) + (z[8] << 64) + (z[9] << 72) + (z[10] << 80) + (z[11] << 88) + (z[12] << 96) + (z[13] << 104) + (z[14] << 112) + (z[15] << 120) + (z[16] << 128) + (z[17] << 136) + (z[18] << 144) + (z[19] << 152) + (z[20] << 160) + (z[21] << 168) + (z[22] << 176) + (z[23] << 184) + (z[24] << 192) + (z[25] << 200) + (z[26] << 208) + (z[27] << 216) + (z[28] << 224) + (z[29] << 232) + (z[30] << 240) + (z[31] << 248)
+//!   twos_complement_eval z = let x1 := z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192) in
+//!                            if x1 & (2^256-1) < 2^255 then x1 & (2^256-1) else (x1 & (2^256-1)) - 2^256
+
+#![allow(unused_parens)]
+#![allow(non_camel_case_types)]
+
+pub type fiat_secp256k1_montgomery_u1 = u8;
+pub type fiat_secp256k1_montgomery_i1 = i8;
+pub type fiat_secp256k1_montgomery_u2 = u8;
+pub type fiat_secp256k1_montgomery_i2 = i8;
+
+/* The type fiat_secp256k1_montgomery_montgomery_domain_field_element is a field element in the Montgomery domain. */
+/* Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]] */
+pub type fiat_secp256k1_montgomery_montgomery_domain_field_element = [u64; 4];
+
+/* The type fiat_secp256k1_montgomery_non_montgomery_domain_field_element is a field element NOT in the Montgomery domain. */
+/* Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]] */
+pub type fiat_secp256k1_montgomery_non_montgomery_domain_field_element = [u64; 4];
+
+
+/// The function fiat_secp256k1_montgomery_addcarryx_u64 is an addition with carry.
+///
+/// Postconditions:
+///   out1 = (arg1 + arg2 + arg3) mod 2^64
+///   out2 = ⌊(arg1 + arg2 + arg3) / 2^64⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffffffffffff]
+///   arg3: [0x0 ~> 0xffffffffffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+///   out2: [0x0 ~> 0x1]
+#[inline]
+pub fn fiat_secp256k1_montgomery_addcarryx_u64(out1: &mut u64, out2: &mut fiat_secp256k1_montgomery_u1, arg1: fiat_secp256k1_montgomery_u1, arg2: u64, arg3: u64) -> () {
+  let x1: u128 = (((arg1 as u128) + (arg2 as u128)) + (arg3 as u128));
+  let x2: u64 = ((x1 & (0xffffffffffffffff as u128)) as u64);
+  let x3: fiat_secp256k1_montgomery_u1 = ((x1 >> 64) as fiat_secp256k1_montgomery_u1);
+  *out1 = x2;
+  *out2 = x3;
+}
+
+/// The function fiat_secp256k1_montgomery_subborrowx_u64 is a subtraction with borrow.
+///
+/// Postconditions:
+///   out1 = (-arg1 + arg2 + -arg3) mod 2^64
+///   out2 = -⌊(-arg1 + arg2 + -arg3) / 2^64⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffffffffffff]
+///   arg3: [0x0 ~> 0xffffffffffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+///   out2: [0x0 ~> 0x1]
+#[inline]
+pub fn fiat_secp256k1_montgomery_subborrowx_u64(out1: &mut u64, out2: &mut fiat_secp256k1_montgomery_u1, arg1: fiat_secp256k1_montgomery_u1, arg2: u64, arg3: u64) -> () {
+  let x1: i128 = (((arg2 as i128) - (arg1 as i128)) - (arg3 as i128));
+  let x2: fiat_secp256k1_montgomery_i1 = ((x1 >> 64) as fiat_secp256k1_montgomery_i1);
+  let x3: u64 = ((x1 & (0xffffffffffffffff as i128)) as u64);
+  *out1 = x3;
+  *out2 = (((0x0 as fiat_secp256k1_montgomery_i2) - (x2 as fiat_secp256k1_montgomery_i2)) as fiat_secp256k1_montgomery_u1);
+}
+
+/// The function fiat_secp256k1_montgomery_mulx_u64 is a multiplication, returning the full double-width result.
+///
+/// Postconditions:
+///   out1 = (arg1 * arg2) mod 2^64
+///   out2 = ⌊arg1 * arg2 / 2^64⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0xffffffffffffffff]
+///   arg2: [0x0 ~> 0xffffffffffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+///   out2: [0x0 ~> 0xffffffffffffffff]
+#[inline]
+pub fn fiat_secp256k1_montgomery_mulx_u64(out1: &mut u64, out2: &mut u64, arg1: u64, arg2: u64) -> () {
+  let x1: u128 = ((arg1 as u128) * (arg2 as u128));
+  let x2: u64 = ((x1 & (0xffffffffffffffff as u128)) as u64);
+  let x3: u64 = ((x1 >> 64) as u64);
+  *out1 = x2;
+  *out2 = x3;
+}
+
+/// The function fiat_secp256k1_montgomery_cmovznz_u64 is a single-word conditional move.
+///
+/// Postconditions:
+///   out1 = (if arg1 = 0 then arg2 else arg3)
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffffffffffff]
+///   arg3: [0x0 ~> 0xffffffffffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+#[inline]
+pub fn fiat_secp256k1_montgomery_cmovznz_u64(out1: &mut u64, arg1: fiat_secp256k1_montgomery_u1, arg2: u64, arg3: u64) -> () {
+  let x1: fiat_secp256k1_montgomery_u1 = (!(!arg1));
+  let x2: u64 = ((((((0x0 as fiat_secp256k1_montgomery_i2) - (x1 as fiat_secp256k1_montgomery_i2)) as fiat_secp256k1_montgomery_i1) as i128) & (0xffffffffffffffff as i128)) as u64);
+  let x3: u64 = ((x2 & arg3) | ((!x2) & arg2));
+  *out1 = x3;
+}
+
+/// The function fiat_secp256k1_montgomery_mul multiplies two field elements in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+///   0 ≤ eval arg2 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_mul(out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_montgomery_domain_field_element) -> () {
+  let x1: u64 = (arg1[1]);
+  let x2: u64 = (arg1[2]);
+  let x3: u64 = (arg1[3]);
+  let x4: u64 = (arg1[0]);
+  let mut x5: u64 = 0;
+  let mut x6: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x5, &mut x6, x4, (arg2[3]));
+  let mut x7: u64 = 0;
+  let mut x8: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x7, &mut x8, x4, (arg2[2]));
+  let mut x9: u64 = 0;
+  let mut x10: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x9, &mut x10, x4, (arg2[1]));
+  let mut x11: u64 = 0;
+  let mut x12: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x11, &mut x12, x4, (arg2[0]));
+  let mut x13: u64 = 0;
+  let mut x14: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x13, &mut x14, 0x0, x12, x9);
+  let mut x15: u64 = 0;
+  let mut x16: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x15, &mut x16, x14, x10, x7);
+  let mut x17: u64 = 0;
+  let mut x18: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x17, &mut x18, x16, x8, x5);
+  let x19: u64 = ((x18 as u64) + x6);
+  let mut x20: u64 = 0;
+  let mut x21: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x20, &mut x21, x11, 0xd838091dd2253531);
+  let mut x22: u64 = 0;
+  let mut x23: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x22, &mut x23, x20, 0xffffffffffffffff);
+  let mut x24: u64 = 0;
+  let mut x25: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x24, &mut x25, x20, 0xffffffffffffffff);
+  let mut x26: u64 = 0;
+  let mut x27: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x26, &mut x27, x20, 0xffffffffffffffff);
+  let mut x28: u64 = 0;
+  let mut x29: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x28, &mut x29, x20, 0xfffffffefffffc2f);
+  let mut x30: u64 = 0;
+  let mut x31: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x30, &mut x31, 0x0, x29, x26);
+  let mut x32: u64 = 0;
+  let mut x33: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x32, &mut x33, x31, x27, x24);
+  let mut x34: u64 = 0;
+  let mut x35: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x34, &mut x35, x33, x25, x22);
+  let x36: u64 = ((x35 as u64) + x23);
+  let mut x37: u64 = 0;
+  let mut x38: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x37, &mut x38, 0x0, x11, x28);
+  let mut x39: u64 = 0;
+  let mut x40: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x39, &mut x40, x38, x13, x30);
+  let mut x41: u64 = 0;
+  let mut x42: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x41, &mut x42, x40, x15, x32);
+  let mut x43: u64 = 0;
+  let mut x44: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x43, &mut x44, x42, x17, x34);
+  let mut x45: u64 = 0;
+  let mut x46: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x45, &mut x46, x44, x19, x36);
+  let mut x47: u64 = 0;
+  let mut x48: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x47, &mut x48, x1, (arg2[3]));
+  let mut x49: u64 = 0;
+  let mut x50: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x49, &mut x50, x1, (arg2[2]));
+  let mut x51: u64 = 0;
+  let mut x52: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x51, &mut x52, x1, (arg2[1]));
+  let mut x53: u64 = 0;
+  let mut x54: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x53, &mut x54, x1, (arg2[0]));
+  let mut x55: u64 = 0;
+  let mut x56: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x55, &mut x56, 0x0, x54, x51);
+  let mut x57: u64 = 0;
+  let mut x58: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x57, &mut x58, x56, x52, x49);
+  let mut x59: u64 = 0;
+  let mut x60: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x59, &mut x60, x58, x50, x47);
+  let x61: u64 = ((x60 as u64) + x48);
+  let mut x62: u64 = 0;
+  let mut x63: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x62, &mut x63, 0x0, x39, x53);
+  let mut x64: u64 = 0;
+  let mut x65: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x64, &mut x65, x63, x41, x55);
+  let mut x66: u64 = 0;
+  let mut x67: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x66, &mut x67, x65, x43, x57);
+  let mut x68: u64 = 0;
+  let mut x69: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x68, &mut x69, x67, x45, x59);
+  let mut x70: u64 = 0;
+  let mut x71: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x70, &mut x71, x69, (x46 as u64), x61);
+  let mut x72: u64 = 0;
+  let mut x73: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x72, &mut x73, x62, 0xd838091dd2253531);
+  let mut x74: u64 = 0;
+  let mut x75: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x74, &mut x75, x72, 0xffffffffffffffff);
+  let mut x76: u64 = 0;
+  let mut x77: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x76, &mut x77, x72, 0xffffffffffffffff);
+  let mut x78: u64 = 0;
+  let mut x79: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x78, &mut x79, x72, 0xffffffffffffffff);
+  let mut x80: u64 = 0;
+  let mut x81: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x80, &mut x81, x72, 0xfffffffefffffc2f);
+  let mut x82: u64 = 0;
+  let mut x83: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x82, &mut x83, 0x0, x81, x78);
+  let mut x84: u64 = 0;
+  let mut x85: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x84, &mut x85, x83, x79, x76);
+  let mut x86: u64 = 0;
+  let mut x87: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x86, &mut x87, x85, x77, x74);
+  let x88: u64 = ((x87 as u64) + x75);
+  let mut x89: u64 = 0;
+  let mut x90: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x89, &mut x90, 0x0, x62, x80);
+  let mut x91: u64 = 0;
+  let mut x92: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x91, &mut x92, x90, x64, x82);
+  let mut x93: u64 = 0;
+  let mut x94: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x93, &mut x94, x92, x66, x84);
+  let mut x95: u64 = 0;
+  let mut x96: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x95, &mut x96, x94, x68, x86);
+  let mut x97: u64 = 0;
+  let mut x98: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x97, &mut x98, x96, x70, x88);
+  let x99: u64 = ((x98 as u64) + (x71 as u64));
+  let mut x100: u64 = 0;
+  let mut x101: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x100, &mut x101, x2, (arg2[3]));
+  let mut x102: u64 = 0;
+  let mut x103: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x102, &mut x103, x2, (arg2[2]));
+  let mut x104: u64 = 0;
+  let mut x105: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x104, &mut x105, x2, (arg2[1]));
+  let mut x106: u64 = 0;
+  let mut x107: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x106, &mut x107, x2, (arg2[0]));
+  let mut x108: u64 = 0;
+  let mut x109: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x108, &mut x109, 0x0, x107, x104);
+  let mut x110: u64 = 0;
+  let mut x111: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x110, &mut x111, x109, x105, x102);
+  let mut x112: u64 = 0;
+  let mut x113: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x112, &mut x113, x111, x103, x100);
+  let x114: u64 = ((x113 as u64) + x101);
+  let mut x115: u64 = 0;
+  let mut x116: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x115, &mut x116, 0x0, x91, x106);
+  let mut x117: u64 = 0;
+  let mut x118: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x117, &mut x118, x116, x93, x108);
+  let mut x119: u64 = 0;
+  let mut x120: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x119, &mut x120, x118, x95, x110);
+  let mut x121: u64 = 0;
+  let mut x122: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x121, &mut x122, x120, x97, x112);
+  let mut x123: u64 = 0;
+  let mut x124: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x123, &mut x124, x122, x99, x114);
+  let mut x125: u64 = 0;
+  let mut x126: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x125, &mut x126, x115, 0xd838091dd2253531);
+  let mut x127: u64 = 0;
+  let mut x128: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x127, &mut x128, x125, 0xffffffffffffffff);
+  let mut x129: u64 = 0;
+  let mut x130: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x129, &mut x130, x125, 0xffffffffffffffff);
+  let mut x131: u64 = 0;
+  let mut x132: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x131, &mut x132, x125, 0xffffffffffffffff);
+  let mut x133: u64 = 0;
+  let mut x134: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x133, &mut x134, x125, 0xfffffffefffffc2f);
+  let mut x135: u64 = 0;
+  let mut x136: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x135, &mut x136, 0x0, x134, x131);
+  let mut x137: u64 = 0;
+  let mut x138: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x137, &mut x138, x136, x132, x129);
+  let mut x139: u64 = 0;
+  let mut x140: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x139, &mut x140, x138, x130, x127);
+  let x141: u64 = ((x140 as u64) + x128);
+  let mut x142: u64 = 0;
+  let mut x143: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x142, &mut x143, 0x0, x115, x133);
+  let mut x144: u64 = 0;
+  let mut x145: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x144, &mut x145, x143, x117, x135);
+  let mut x146: u64 = 0;
+  let mut x147: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x146, &mut x147, x145, x119, x137);
+  let mut x148: u64 = 0;
+  let mut x149: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x148, &mut x149, x147, x121, x139);
+  let mut x150: u64 = 0;
+  let mut x151: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x150, &mut x151, x149, x123, x141);
+  let x152: u64 = ((x151 as u64) + (x124 as u64));
+  let mut x153: u64 = 0;
+  let mut x154: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x153, &mut x154, x3, (arg2[3]));
+  let mut x155: u64 = 0;
+  let mut x156: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x155, &mut x156, x3, (arg2[2]));
+  let mut x157: u64 = 0;
+  let mut x158: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x157, &mut x158, x3, (arg2[1]));
+  let mut x159: u64 = 0;
+  let mut x160: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x159, &mut x160, x3, (arg2[0]));
+  let mut x161: u64 = 0;
+  let mut x162: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x161, &mut x162, 0x0, x160, x157);
+  let mut x163: u64 = 0;
+  let mut x164: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x163, &mut x164, x162, x158, x155);
+  let mut x165: u64 = 0;
+  let mut x166: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x165, &mut x166, x164, x156, x153);
+  let x167: u64 = ((x166 as u64) + x154);
+  let mut x168: u64 = 0;
+  let mut x169: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x168, &mut x169, 0x0, x144, x159);
+  let mut x170: u64 = 0;
+  let mut x171: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x170, &mut x171, x169, x146, x161);
+  let mut x172: u64 = 0;
+  let mut x173: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x172, &mut x173, x171, x148, x163);
+  let mut x174: u64 = 0;
+  let mut x175: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x174, &mut x175, x173, x150, x165);
+  let mut x176: u64 = 0;
+  let mut x177: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x176, &mut x177, x175, x152, x167);
+  let mut x178: u64 = 0;
+  let mut x179: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x178, &mut x179, x168, 0xd838091dd2253531);
+  let mut x180: u64 = 0;
+  let mut x181: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x180, &mut x181, x178, 0xffffffffffffffff);
+  let mut x182: u64 = 0;
+  let mut x183: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x182, &mut x183, x178, 0xffffffffffffffff);
+  let mut x184: u64 = 0;
+  let mut x185: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x184, &mut x185, x178, 0xffffffffffffffff);
+  let mut x186: u64 = 0;
+  let mut x187: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x186, &mut x187, x178, 0xfffffffefffffc2f);
+  let mut x188: u64 = 0;
+  let mut x189: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x188, &mut x189, 0x0, x187, x184);
+  let mut x190: u64 = 0;
+  let mut x191: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x190, &mut x191, x189, x185, x182);
+  let mut x192: u64 = 0;
+  let mut x193: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x192, &mut x193, x191, x183, x180);
+  let x194: u64 = ((x193 as u64) + x181);
+  let mut x195: u64 = 0;
+  let mut x196: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x195, &mut x196, 0x0, x168, x186);
+  let mut x197: u64 = 0;
+  let mut x198: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x197, &mut x198, x196, x170, x188);
+  let mut x199: u64 = 0;
+  let mut x200: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x199, &mut x200, x198, x172, x190);
+  let mut x201: u64 = 0;
+  let mut x202: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x201, &mut x202, x200, x174, x192);
+  let mut x203: u64 = 0;
+  let mut x204: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x203, &mut x204, x202, x176, x194);
+  let x205: u64 = ((x204 as u64) + (x177 as u64));
+  let mut x206: u64 = 0;
+  let mut x207: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x206, &mut x207, 0x0, x197, 0xfffffffefffffc2f);
+  let mut x208: u64 = 0;
+  let mut x209: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x208, &mut x209, x207, x199, 0xffffffffffffffff);
+  let mut x210: u64 = 0;
+  let mut x211: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x210, &mut x211, x209, x201, 0xffffffffffffffff);
+  let mut x212: u64 = 0;
+  let mut x213: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x212, &mut x213, x211, x203, 0xffffffffffffffff);
+  let mut x214: u64 = 0;
+  let mut x215: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x214, &mut x215, x213, x205, (0x0 as u64));
+  let mut x216: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x216, x215, x206, x197);
+  let mut x217: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x217, x215, x208, x199);
+  let mut x218: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x218, x215, x210, x201);
+  let mut x219: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x219, x215, x212, x203);
+  out1[0] = x216;
+  out1[1] = x217;
+  out1[2] = x218;
+  out1[3] = x219;
+}
+
+/// The function fiat_secp256k1_montgomery_square squares a field element in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg1)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_square(out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_montgomery_domain_field_element) -> () {
+  let x1: u64 = (arg1[1]);
+  let x2: u64 = (arg1[2]);
+  let x3: u64 = (arg1[3]);
+  let x4: u64 = (arg1[0]);
+  let mut x5: u64 = 0;
+  let mut x6: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x5, &mut x6, x4, (arg1[3]));
+  let mut x7: u64 = 0;
+  let mut x8: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x7, &mut x8, x4, (arg1[2]));
+  let mut x9: u64 = 0;
+  let mut x10: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x9, &mut x10, x4, (arg1[1]));
+  let mut x11: u64 = 0;
+  let mut x12: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x11, &mut x12, x4, (arg1[0]));
+  let mut x13: u64 = 0;
+  let mut x14: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x13, &mut x14, 0x0, x12, x9);
+  let mut x15: u64 = 0;
+  let mut x16: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x15, &mut x16, x14, x10, x7);
+  let mut x17: u64 = 0;
+  let mut x18: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x17, &mut x18, x16, x8, x5);
+  let x19: u64 = ((x18 as u64) + x6);
+  let mut x20: u64 = 0;
+  let mut x21: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x20, &mut x21, x11, 0xd838091dd2253531);
+  let mut x22: u64 = 0;
+  let mut x23: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x22, &mut x23, x20, 0xffffffffffffffff);
+  let mut x24: u64 = 0;
+  let mut x25: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x24, &mut x25, x20, 0xffffffffffffffff);
+  let mut x26: u64 = 0;
+  let mut x27: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x26, &mut x27, x20, 0xffffffffffffffff);
+  let mut x28: u64 = 0;
+  let mut x29: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x28, &mut x29, x20, 0xfffffffefffffc2f);
+  let mut x30: u64 = 0;
+  let mut x31: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x30, &mut x31, 0x0, x29, x26);
+  let mut x32: u64 = 0;
+  let mut x33: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x32, &mut x33, x31, x27, x24);
+  let mut x34: u64 = 0;
+  let mut x35: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x34, &mut x35, x33, x25, x22);
+  let x36: u64 = ((x35 as u64) + x23);
+  let mut x37: u64 = 0;
+  let mut x38: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x37, &mut x38, 0x0, x11, x28);
+  let mut x39: u64 = 0;
+  let mut x40: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x39, &mut x40, x38, x13, x30);
+  let mut x41: u64 = 0;
+  let mut x42: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x41, &mut x42, x40, x15, x32);
+  let mut x43: u64 = 0;
+  let mut x44: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x43, &mut x44, x42, x17, x34);
+  let mut x45: u64 = 0;
+  let mut x46: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x45, &mut x46, x44, x19, x36);
+  let mut x47: u64 = 0;
+  let mut x48: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x47, &mut x48, x1, (arg1[3]));
+  let mut x49: u64 = 0;
+  let mut x50: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x49, &mut x50, x1, (arg1[2]));
+  let mut x51: u64 = 0;
+  let mut x52: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x51, &mut x52, x1, (arg1[1]));
+  let mut x53: u64 = 0;
+  let mut x54: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x53, &mut x54, x1, (arg1[0]));
+  let mut x55: u64 = 0;
+  let mut x56: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x55, &mut x56, 0x0, x54, x51);
+  let mut x57: u64 = 0;
+  let mut x58: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x57, &mut x58, x56, x52, x49);
+  let mut x59: u64 = 0;
+  let mut x60: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x59, &mut x60, x58, x50, x47);
+  let x61: u64 = ((x60 as u64) + x48);
+  let mut x62: u64 = 0;
+  let mut x63: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x62, &mut x63, 0x0, x39, x53);
+  let mut x64: u64 = 0;
+  let mut x65: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x64, &mut x65, x63, x41, x55);
+  let mut x66: u64 = 0;
+  let mut x67: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x66, &mut x67, x65, x43, x57);
+  let mut x68: u64 = 0;
+  let mut x69: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x68, &mut x69, x67, x45, x59);
+  let mut x70: u64 = 0;
+  let mut x71: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x70, &mut x71, x69, (x46 as u64), x61);
+  let mut x72: u64 = 0;
+  let mut x73: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x72, &mut x73, x62, 0xd838091dd2253531);
+  let mut x74: u64 = 0;
+  let mut x75: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x74, &mut x75, x72, 0xffffffffffffffff);
+  let mut x76: u64 = 0;
+  let mut x77: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x76, &mut x77, x72, 0xffffffffffffffff);
+  let mut x78: u64 = 0;
+  let mut x79: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x78, &mut x79, x72, 0xffffffffffffffff);
+  let mut x80: u64 = 0;
+  let mut x81: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x80, &mut x81, x72, 0xfffffffefffffc2f);
+  let mut x82: u64 = 0;
+  let mut x83: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x82, &mut x83, 0x0, x81, x78);
+  let mut x84: u64 = 0;
+  let mut x85: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x84, &mut x85, x83, x79, x76);
+  let mut x86: u64 = 0;
+  let mut x87: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x86, &mut x87, x85, x77, x74);
+  let x88: u64 = ((x87 as u64) + x75);
+  let mut x89: u64 = 0;
+  let mut x90: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x89, &mut x90, 0x0, x62, x80);
+  let mut x91: u64 = 0;
+  let mut x92: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x91, &mut x92, x90, x64, x82);
+  let mut x93: u64 = 0;
+  let mut x94: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x93, &mut x94, x92, x66, x84);
+  let mut x95: u64 = 0;
+  let mut x96: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x95, &mut x96, x94, x68, x86);
+  let mut x97: u64 = 0;
+  let mut x98: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x97, &mut x98, x96, x70, x88);
+  let x99: u64 = ((x98 as u64) + (x71 as u64));
+  let mut x100: u64 = 0;
+  let mut x101: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x100, &mut x101, x2, (arg1[3]));
+  let mut x102: u64 = 0;
+  let mut x103: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x102, &mut x103, x2, (arg1[2]));
+  let mut x104: u64 = 0;
+  let mut x105: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x104, &mut x105, x2, (arg1[1]));
+  let mut x106: u64 = 0;
+  let mut x107: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x106, &mut x107, x2, (arg1[0]));
+  let mut x108: u64 = 0;
+  let mut x109: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x108, &mut x109, 0x0, x107, x104);
+  let mut x110: u64 = 0;
+  let mut x111: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x110, &mut x111, x109, x105, x102);
+  let mut x112: u64 = 0;
+  let mut x113: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x112, &mut x113, x111, x103, x100);
+  let x114: u64 = ((x113 as u64) + x101);
+  let mut x115: u64 = 0;
+  let mut x116: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x115, &mut x116, 0x0, x91, x106);
+  let mut x117: u64 = 0;
+  let mut x118: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x117, &mut x118, x116, x93, x108);
+  let mut x119: u64 = 0;
+  let mut x120: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x119, &mut x120, x118, x95, x110);
+  let mut x121: u64 = 0;
+  let mut x122: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x121, &mut x122, x120, x97, x112);
+  let mut x123: u64 = 0;
+  let mut x124: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x123, &mut x124, x122, x99, x114);
+  let mut x125: u64 = 0;
+  let mut x126: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x125, &mut x126, x115, 0xd838091dd2253531);
+  let mut x127: u64 = 0;
+  let mut x128: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x127, &mut x128, x125, 0xffffffffffffffff);
+  let mut x129: u64 = 0;
+  let mut x130: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x129, &mut x130, x125, 0xffffffffffffffff);
+  let mut x131: u64 = 0;
+  let mut x132: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x131, &mut x132, x125, 0xffffffffffffffff);
+  let mut x133: u64 = 0;
+  let mut x134: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x133, &mut x134, x125, 0xfffffffefffffc2f);
+  let mut x135: u64 = 0;
+  let mut x136: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x135, &mut x136, 0x0, x134, x131);
+  let mut x137: u64 = 0;
+  let mut x138: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x137, &mut x138, x136, x132, x129);
+  let mut x139: u64 = 0;
+  let mut x140: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x139, &mut x140, x138, x130, x127);
+  let x141: u64 = ((x140 as u64) + x128);
+  let mut x142: u64 = 0;
+  let mut x143: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x142, &mut x143, 0x0, x115, x133);
+  let mut x144: u64 = 0;
+  let mut x145: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x144, &mut x145, x143, x117, x135);
+  let mut x146: u64 = 0;
+  let mut x147: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x146, &mut x147, x145, x119, x137);
+  let mut x148: u64 = 0;
+  let mut x149: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x148, &mut x149, x147, x121, x139);
+  let mut x150: u64 = 0;
+  let mut x151: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x150, &mut x151, x149, x123, x141);
+  let x152: u64 = ((x151 as u64) + (x124 as u64));
+  let mut x153: u64 = 0;
+  let mut x154: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x153, &mut x154, x3, (arg1[3]));
+  let mut x155: u64 = 0;
+  let mut x156: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x155, &mut x156, x3, (arg1[2]));
+  let mut x157: u64 = 0;
+  let mut x158: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x157, &mut x158, x3, (arg1[1]));
+  let mut x159: u64 = 0;
+  let mut x160: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x159, &mut x160, x3, (arg1[0]));
+  let mut x161: u64 = 0;
+  let mut x162: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x161, &mut x162, 0x0, x160, x157);
+  let mut x163: u64 = 0;
+  let mut x164: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x163, &mut x164, x162, x158, x155);
+  let mut x165: u64 = 0;
+  let mut x166: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x165, &mut x166, x164, x156, x153);
+  let x167: u64 = ((x166 as u64) + x154);
+  let mut x168: u64 = 0;
+  let mut x169: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x168, &mut x169, 0x0, x144, x159);
+  let mut x170: u64 = 0;
+  let mut x171: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x170, &mut x171, x169, x146, x161);
+  let mut x172: u64 = 0;
+  let mut x173: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x172, &mut x173, x171, x148, x163);
+  let mut x174: u64 = 0;
+  let mut x175: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x174, &mut x175, x173, x150, x165);
+  let mut x176: u64 = 0;
+  let mut x177: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x176, &mut x177, x175, x152, x167);
+  let mut x178: u64 = 0;
+  let mut x179: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x178, &mut x179, x168, 0xd838091dd2253531);
+  let mut x180: u64 = 0;
+  let mut x181: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x180, &mut x181, x178, 0xffffffffffffffff);
+  let mut x182: u64 = 0;
+  let mut x183: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x182, &mut x183, x178, 0xffffffffffffffff);
+  let mut x184: u64 = 0;
+  let mut x185: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x184, &mut x185, x178, 0xffffffffffffffff);
+  let mut x186: u64 = 0;
+  let mut x187: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x186, &mut x187, x178, 0xfffffffefffffc2f);
+  let mut x188: u64 = 0;
+  let mut x189: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x188, &mut x189, 0x0, x187, x184);
+  let mut x190: u64 = 0;
+  let mut x191: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x190, &mut x191, x189, x185, x182);
+  let mut x192: u64 = 0;
+  let mut x193: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x192, &mut x193, x191, x183, x180);
+  let x194: u64 = ((x193 as u64) + x181);
+  let mut x195: u64 = 0;
+  let mut x196: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x195, &mut x196, 0x0, x168, x186);
+  let mut x197: u64 = 0;
+  let mut x198: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x197, &mut x198, x196, x170, x188);
+  let mut x199: u64 = 0;
+  let mut x200: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x199, &mut x200, x198, x172, x190);
+  let mut x201: u64 = 0;
+  let mut x202: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x201, &mut x202, x200, x174, x192);
+  let mut x203: u64 = 0;
+  let mut x204: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x203, &mut x204, x202, x176, x194);
+  let x205: u64 = ((x204 as u64) + (x177 as u64));
+  let mut x206: u64 = 0;
+  let mut x207: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x206, &mut x207, 0x0, x197, 0xfffffffefffffc2f);
+  let mut x208: u64 = 0;
+  let mut x209: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x208, &mut x209, x207, x199, 0xffffffffffffffff);
+  let mut x210: u64 = 0;
+  let mut x211: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x210, &mut x211, x209, x201, 0xffffffffffffffff);
+  let mut x212: u64 = 0;
+  let mut x213: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x212, &mut x213, x211, x203, 0xffffffffffffffff);
+  let mut x214: u64 = 0;
+  let mut x215: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x214, &mut x215, x213, x205, (0x0 as u64));
+  let mut x216: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x216, x215, x206, x197);
+  let mut x217: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x217, x215, x208, x199);
+  let mut x218: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x218, x215, x210, x201);
+  let mut x219: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x219, x215, x212, x203);
+  out1[0] = x216;
+  out1[1] = x217;
+  out1[2] = x218;
+  out1[3] = x219;
+}
+
+/// The function fiat_secp256k1_montgomery_add adds two field elements in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+///   0 ≤ eval arg2 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) + eval (from_montgomery arg2)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_add(out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_montgomery_domain_field_element) -> () {
+  let mut x1: u64 = 0;
+  let mut x2: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
+  let mut x3: u64 = 0;
+  let mut x4: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
+  let mut x5: u64 = 0;
+  let mut x6: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
+  let mut x7: u64 = 0;
+  let mut x8: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
+  let mut x9: u64 = 0;
+  let mut x10: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x9, &mut x10, 0x0, x1, 0xfffffffefffffc2f);
+  let mut x11: u64 = 0;
+  let mut x12: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x11, &mut x12, x10, x3, 0xffffffffffffffff);
+  let mut x13: u64 = 0;
+  let mut x14: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x13, &mut x14, x12, x5, 0xffffffffffffffff);
+  let mut x15: u64 = 0;
+  let mut x16: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x15, &mut x16, x14, x7, 0xffffffffffffffff);
+  let mut x17: u64 = 0;
+  let mut x18: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x17, &mut x18, x16, (x8 as u64), (0x0 as u64));
+  let mut x19: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x19, x18, x9, x1);
+  let mut x20: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x20, x18, x11, x3);
+  let mut x21: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x21, x18, x13, x5);
+  let mut x22: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x22, x18, x15, x7);
+  out1[0] = x19;
+  out1[1] = x20;
+  out1[2] = x21;
+  out1[3] = x22;
+}
+
+/// The function fiat_secp256k1_montgomery_sub subtracts two field elements in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+///   0 ≤ eval arg2 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) - eval (from_montgomery arg2)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_sub(out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_montgomery_domain_field_element) -> () {
+  let mut x1: u64 = 0;
+  let mut x2: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
+  let mut x3: u64 = 0;
+  let mut x4: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
+  let mut x5: u64 = 0;
+  let mut x6: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
+  let mut x7: u64 = 0;
+  let mut x8: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
+  let mut x9: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x9, x8, (0x0 as u64), 0xffffffffffffffff);
+  let mut x10: u64 = 0;
+  let mut x11: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x10, &mut x11, 0x0, x1, (x9 & 0xfffffffefffffc2f));
+  let mut x12: u64 = 0;
+  let mut x13: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x12, &mut x13, x11, x3, x9);
+  let mut x14: u64 = 0;
+  let mut x15: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x14, &mut x15, x13, x5, x9);
+  let mut x16: u64 = 0;
+  let mut x17: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x16, &mut x17, x15, x7, x9);
+  out1[0] = x10;
+  out1[1] = x12;
+  out1[2] = x14;
+  out1[3] = x16;
+}
+
+/// The function fiat_secp256k1_montgomery_opp negates a field element in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = -eval (from_montgomery arg1) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_opp(out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_montgomery_domain_field_element) -> () {
+  let mut x1: u64 = 0;
+  let mut x2: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x1, &mut x2, 0x0, (0x0 as u64), (arg1[0]));
+  let mut x3: u64 = 0;
+  let mut x4: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x3, &mut x4, x2, (0x0 as u64), (arg1[1]));
+  let mut x5: u64 = 0;
+  let mut x6: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x5, &mut x6, x4, (0x0 as u64), (arg1[2]));
+  let mut x7: u64 = 0;
+  let mut x8: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x7, &mut x8, x6, (0x0 as u64), (arg1[3]));
+  let mut x9: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x9, x8, (0x0 as u64), 0xffffffffffffffff);
+  let mut x10: u64 = 0;
+  let mut x11: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x10, &mut x11, 0x0, x1, (x9 & 0xfffffffefffffc2f));
+  let mut x12: u64 = 0;
+  let mut x13: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x12, &mut x13, x11, x3, x9);
+  let mut x14: u64 = 0;
+  let mut x15: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x14, &mut x15, x13, x5, x9);
+  let mut x16: u64 = 0;
+  let mut x17: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x16, &mut x17, x15, x7, x9);
+  out1[0] = x10;
+  out1[1] = x12;
+  out1[2] = x14;
+  out1[3] = x16;
+}
+
+/// The function fiat_secp256k1_montgomery_from_montgomery translates a field element out of the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval out1 mod m = (eval arg1 * ((2^64)⁻¹ mod m)^4) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_from_montgomery(out1: &mut fiat_secp256k1_montgomery_non_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_montgomery_domain_field_element) -> () {
+  let x1: u64 = (arg1[0]);
+  let mut x2: u64 = 0;
+  let mut x3: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x2, &mut x3, x1, 0xd838091dd2253531);
+  let mut x4: u64 = 0;
+  let mut x5: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x4, &mut x5, x2, 0xffffffffffffffff);
+  let mut x6: u64 = 0;
+  let mut x7: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x6, &mut x7, x2, 0xffffffffffffffff);
+  let mut x8: u64 = 0;
+  let mut x9: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x8, &mut x9, x2, 0xffffffffffffffff);
+  let mut x10: u64 = 0;
+  let mut x11: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x10, &mut x11, x2, 0xfffffffefffffc2f);
+  let mut x12: u64 = 0;
+  let mut x13: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x12, &mut x13, 0x0, x11, x8);
+  let mut x14: u64 = 0;
+  let mut x15: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x14, &mut x15, x13, x9, x6);
+  let mut x16: u64 = 0;
+  let mut x17: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x16, &mut x17, x15, x7, x4);
+  let mut x18: u64 = 0;
+  let mut x19: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x18, &mut x19, 0x0, x1, x10);
+  let mut x20: u64 = 0;
+  let mut x21: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x20, &mut x21, x19, (0x0 as u64), x12);
+  let mut x22: u64 = 0;
+  let mut x23: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x22, &mut x23, x21, (0x0 as u64), x14);
+  let mut x24: u64 = 0;
+  let mut x25: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x24, &mut x25, x23, (0x0 as u64), x16);
+  let mut x26: u64 = 0;
+  let mut x27: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x26, &mut x27, x25, (0x0 as u64), ((x17 as u64) + x5));
+  let mut x28: u64 = 0;
+  let mut x29: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x28, &mut x29, 0x0, x20, (arg1[1]));
+  let mut x30: u64 = 0;
+  let mut x31: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x30, &mut x31, x29, x22, (0x0 as u64));
+  let mut x32: u64 = 0;
+  let mut x33: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x32, &mut x33, x31, x24, (0x0 as u64));
+  let mut x34: u64 = 0;
+  let mut x35: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x34, &mut x35, x33, x26, (0x0 as u64));
+  let mut x36: u64 = 0;
+  let mut x37: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x36, &mut x37, x28, 0xd838091dd2253531);
+  let mut x38: u64 = 0;
+  let mut x39: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x38, &mut x39, x36, 0xffffffffffffffff);
+  let mut x40: u64 = 0;
+  let mut x41: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x40, &mut x41, x36, 0xffffffffffffffff);
+  let mut x42: u64 = 0;
+  let mut x43: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x42, &mut x43, x36, 0xffffffffffffffff);
+  let mut x44: u64 = 0;
+  let mut x45: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x44, &mut x45, x36, 0xfffffffefffffc2f);
+  let mut x46: u64 = 0;
+  let mut x47: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x46, &mut x47, 0x0, x45, x42);
+  let mut x48: u64 = 0;
+  let mut x49: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x48, &mut x49, x47, x43, x40);
+  let mut x50: u64 = 0;
+  let mut x51: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x50, &mut x51, x49, x41, x38);
+  let mut x52: u64 = 0;
+  let mut x53: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x52, &mut x53, 0x0, x28, x44);
+  let mut x54: u64 = 0;
+  let mut x55: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x54, &mut x55, x53, x30, x46);
+  let mut x56: u64 = 0;
+  let mut x57: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x56, &mut x57, x55, x32, x48);
+  let mut x58: u64 = 0;
+  let mut x59: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x58, &mut x59, x57, x34, x50);
+  let mut x60: u64 = 0;
+  let mut x61: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x60, &mut x61, x59, ((x35 as u64) + (x27 as u64)), ((x51 as u64) + x39));
+  let mut x62: u64 = 0;
+  let mut x63: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x62, &mut x63, 0x0, x54, (arg1[2]));
+  let mut x64: u64 = 0;
+  let mut x65: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x64, &mut x65, x63, x56, (0x0 as u64));
+  let mut x66: u64 = 0;
+  let mut x67: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x66, &mut x67, x65, x58, (0x0 as u64));
+  let mut x68: u64 = 0;
+  let mut x69: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x68, &mut x69, x67, x60, (0x0 as u64));
+  let mut x70: u64 = 0;
+  let mut x71: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x70, &mut x71, x62, 0xd838091dd2253531);
+  let mut x72: u64 = 0;
+  let mut x73: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x72, &mut x73, x70, 0xffffffffffffffff);
+  let mut x74: u64 = 0;
+  let mut x75: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x74, &mut x75, x70, 0xffffffffffffffff);
+  let mut x76: u64 = 0;
+  let mut x77: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x76, &mut x77, x70, 0xffffffffffffffff);
+  let mut x78: u64 = 0;
+  let mut x79: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x78, &mut x79, x70, 0xfffffffefffffc2f);
+  let mut x80: u64 = 0;
+  let mut x81: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x80, &mut x81, 0x0, x79, x76);
+  let mut x82: u64 = 0;
+  let mut x83: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x82, &mut x83, x81, x77, x74);
+  let mut x84: u64 = 0;
+  let mut x85: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x84, &mut x85, x83, x75, x72);
+  let mut x86: u64 = 0;
+  let mut x87: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x86, &mut x87, 0x0, x62, x78);
+  let mut x88: u64 = 0;
+  let mut x89: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x88, &mut x89, x87, x64, x80);
+  let mut x90: u64 = 0;
+  let mut x91: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x90, &mut x91, x89, x66, x82);
+  let mut x92: u64 = 0;
+  let mut x93: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x92, &mut x93, x91, x68, x84);
+  let mut x94: u64 = 0;
+  let mut x95: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x94, &mut x95, x93, ((x69 as u64) + (x61 as u64)), ((x85 as u64) + x73));
+  let mut x96: u64 = 0;
+  let mut x97: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x96, &mut x97, 0x0, x88, (arg1[3]));
+  let mut x98: u64 = 0;
+  let mut x99: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x98, &mut x99, x97, x90, (0x0 as u64));
+  let mut x100: u64 = 0;
+  let mut x101: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x100, &mut x101, x99, x92, (0x0 as u64));
+  let mut x102: u64 = 0;
+  let mut x103: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x102, &mut x103, x101, x94, (0x0 as u64));
+  let mut x104: u64 = 0;
+  let mut x105: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x104, &mut x105, x96, 0xd838091dd2253531);
+  let mut x106: u64 = 0;
+  let mut x107: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x106, &mut x107, x104, 0xffffffffffffffff);
+  let mut x108: u64 = 0;
+  let mut x109: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x108, &mut x109, x104, 0xffffffffffffffff);
+  let mut x110: u64 = 0;
+  let mut x111: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x110, &mut x111, x104, 0xffffffffffffffff);
+  let mut x112: u64 = 0;
+  let mut x113: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x112, &mut x113, x104, 0xfffffffefffffc2f);
+  let mut x114: u64 = 0;
+  let mut x115: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x114, &mut x115, 0x0, x113, x110);
+  let mut x116: u64 = 0;
+  let mut x117: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x116, &mut x117, x115, x111, x108);
+  let mut x118: u64 = 0;
+  let mut x119: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x118, &mut x119, x117, x109, x106);
+  let mut x120: u64 = 0;
+  let mut x121: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x120, &mut x121, 0x0, x96, x112);
+  let mut x122: u64 = 0;
+  let mut x123: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x122, &mut x123, x121, x98, x114);
+  let mut x124: u64 = 0;
+  let mut x125: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x124, &mut x125, x123, x100, x116);
+  let mut x126: u64 = 0;
+  let mut x127: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x126, &mut x127, x125, x102, x118);
+  let mut x128: u64 = 0;
+  let mut x129: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x128, &mut x129, x127, ((x103 as u64) + (x95 as u64)), ((x119 as u64) + x107));
+  let mut x130: u64 = 0;
+  let mut x131: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x130, &mut x131, 0x0, x122, 0xfffffffefffffc2f);
+  let mut x132: u64 = 0;
+  let mut x133: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x132, &mut x133, x131, x124, 0xffffffffffffffff);
+  let mut x134: u64 = 0;
+  let mut x135: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x134, &mut x135, x133, x126, 0xffffffffffffffff);
+  let mut x136: u64 = 0;
+  let mut x137: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x136, &mut x137, x135, x128, 0xffffffffffffffff);
+  let mut x138: u64 = 0;
+  let mut x139: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x138, &mut x139, x137, (x129 as u64), (0x0 as u64));
+  let mut x140: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x140, x139, x130, x122);
+  let mut x141: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x141, x139, x132, x124);
+  let mut x142: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x142, x139, x134, x126);
+  let mut x143: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x143, x139, x136, x128);
+  out1[0] = x140;
+  out1[1] = x141;
+  out1[2] = x142;
+  out1[3] = x143;
+}
+
+/// The function fiat_secp256k1_montgomery_to_montgomery translates a field element into the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = eval arg1 mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_to_montgomery(out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_non_montgomery_domain_field_element) -> () {
+  let x1: u64 = (arg1[1]);
+  let x2: u64 = (arg1[2]);
+  let x3: u64 = (arg1[3]);
+  let x4: u64 = (arg1[0]);
+  let mut x5: u64 = 0;
+  let mut x6: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x5, &mut x6, x4, 0x7a2000e90a1);
+  let mut x7: u64 = 0;
+  let mut x8: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x7, &mut x8, 0x0, x6, x4);
+  let mut x9: u64 = 0;
+  let mut x10: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x9, &mut x10, x5, 0xd838091dd2253531);
+  let mut x11: u64 = 0;
+  let mut x12: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x11, &mut x12, x9, 0xffffffffffffffff);
+  let mut x13: u64 = 0;
+  let mut x14: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x13, &mut x14, x9, 0xffffffffffffffff);
+  let mut x15: u64 = 0;
+  let mut x16: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x15, &mut x16, x9, 0xffffffffffffffff);
+  let mut x17: u64 = 0;
+  let mut x18: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x17, &mut x18, x9, 0xfffffffefffffc2f);
+  let mut x19: u64 = 0;
+  let mut x20: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x19, &mut x20, 0x0, x18, x15);
+  let mut x21: u64 = 0;
+  let mut x22: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x21, &mut x22, x20, x16, x13);
+  let mut x23: u64 = 0;
+  let mut x24: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x23, &mut x24, x22, x14, x11);
+  let mut x25: u64 = 0;
+  let mut x26: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x25, &mut x26, 0x0, x5, x17);
+  let mut x27: u64 = 0;
+  let mut x28: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x27, &mut x28, x26, x7, x19);
+  let mut x29: u64 = 0;
+  let mut x30: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x29, &mut x30, x28, (x8 as u64), x21);
+  let mut x31: u64 = 0;
+  let mut x32: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x31, &mut x32, x30, (0x0 as u64), x23);
+  let mut x33: u64 = 0;
+  let mut x34: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x33, &mut x34, x32, (0x0 as u64), ((x24 as u64) + x12));
+  let mut x35: u64 = 0;
+  let mut x36: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x35, &mut x36, x1, 0x7a2000e90a1);
+  let mut x37: u64 = 0;
+  let mut x38: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x37, &mut x38, 0x0, x36, x1);
+  let mut x39: u64 = 0;
+  let mut x40: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x39, &mut x40, 0x0, x27, x35);
+  let mut x41: u64 = 0;
+  let mut x42: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x41, &mut x42, x40, x29, x37);
+  let mut x43: u64 = 0;
+  let mut x44: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x43, &mut x44, x42, x31, (x38 as u64));
+  let mut x45: u64 = 0;
+  let mut x46: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x45, &mut x46, x44, x33, (0x0 as u64));
+  let mut x47: u64 = 0;
+  let mut x48: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x47, &mut x48, x39, 0xd838091dd2253531);
+  let mut x49: u64 = 0;
+  let mut x50: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x49, &mut x50, x47, 0xffffffffffffffff);
+  let mut x51: u64 = 0;
+  let mut x52: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x51, &mut x52, x47, 0xffffffffffffffff);
+  let mut x53: u64 = 0;
+  let mut x54: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x53, &mut x54, x47, 0xffffffffffffffff);
+  let mut x55: u64 = 0;
+  let mut x56: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x55, &mut x56, x47, 0xfffffffefffffc2f);
+  let mut x57: u64 = 0;
+  let mut x58: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x57, &mut x58, 0x0, x56, x53);
+  let mut x59: u64 = 0;
+  let mut x60: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x59, &mut x60, x58, x54, x51);
+  let mut x61: u64 = 0;
+  let mut x62: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x61, &mut x62, x60, x52, x49);
+  let mut x63: u64 = 0;
+  let mut x64: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x63, &mut x64, 0x0, x39, x55);
+  let mut x65: u64 = 0;
+  let mut x66: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x65, &mut x66, x64, x41, x57);
+  let mut x67: u64 = 0;
+  let mut x68: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x67, &mut x68, x66, x43, x59);
+  let mut x69: u64 = 0;
+  let mut x70: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x69, &mut x70, x68, x45, x61);
+  let mut x71: u64 = 0;
+  let mut x72: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x71, &mut x72, x70, ((x46 as u64) + (x34 as u64)), ((x62 as u64) + x50));
+  let mut x73: u64 = 0;
+  let mut x74: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x73, &mut x74, x2, 0x7a2000e90a1);
+  let mut x75: u64 = 0;
+  let mut x76: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x75, &mut x76, 0x0, x74, x2);
+  let mut x77: u64 = 0;
+  let mut x78: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x77, &mut x78, 0x0, x65, x73);
+  let mut x79: u64 = 0;
+  let mut x80: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x79, &mut x80, x78, x67, x75);
+  let mut x81: u64 = 0;
+  let mut x82: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x81, &mut x82, x80, x69, (x76 as u64));
+  let mut x83: u64 = 0;
+  let mut x84: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x83, &mut x84, x82, x71, (0x0 as u64));
+  let mut x85: u64 = 0;
+  let mut x86: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x85, &mut x86, x77, 0xd838091dd2253531);
+  let mut x87: u64 = 0;
+  let mut x88: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x87, &mut x88, x85, 0xffffffffffffffff);
+  let mut x89: u64 = 0;
+  let mut x90: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x89, &mut x90, x85, 0xffffffffffffffff);
+  let mut x91: u64 = 0;
+  let mut x92: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x91, &mut x92, x85, 0xffffffffffffffff);
+  let mut x93: u64 = 0;
+  let mut x94: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x93, &mut x94, x85, 0xfffffffefffffc2f);
+  let mut x95: u64 = 0;
+  let mut x96: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x95, &mut x96, 0x0, x94, x91);
+  let mut x97: u64 = 0;
+  let mut x98: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x97, &mut x98, x96, x92, x89);
+  let mut x99: u64 = 0;
+  let mut x100: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x99, &mut x100, x98, x90, x87);
+  let mut x101: u64 = 0;
+  let mut x102: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x101, &mut x102, 0x0, x77, x93);
+  let mut x103: u64 = 0;
+  let mut x104: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x103, &mut x104, x102, x79, x95);
+  let mut x105: u64 = 0;
+  let mut x106: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x105, &mut x106, x104, x81, x97);
+  let mut x107: u64 = 0;
+  let mut x108: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x107, &mut x108, x106, x83, x99);
+  let mut x109: u64 = 0;
+  let mut x110: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x109, &mut x110, x108, ((x84 as u64) + (x72 as u64)), ((x100 as u64) + x88));
+  let mut x111: u64 = 0;
+  let mut x112: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x111, &mut x112, x3, 0x7a2000e90a1);
+  let mut x113: u64 = 0;
+  let mut x114: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x113, &mut x114, 0x0, x112, x3);
+  let mut x115: u64 = 0;
+  let mut x116: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x115, &mut x116, 0x0, x103, x111);
+  let mut x117: u64 = 0;
+  let mut x118: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x117, &mut x118, x116, x105, x113);
+  let mut x119: u64 = 0;
+  let mut x120: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x119, &mut x120, x118, x107, (x114 as u64));
+  let mut x121: u64 = 0;
+  let mut x122: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x121, &mut x122, x120, x109, (0x0 as u64));
+  let mut x123: u64 = 0;
+  let mut x124: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x123, &mut x124, x115, 0xd838091dd2253531);
+  let mut x125: u64 = 0;
+  let mut x126: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x125, &mut x126, x123, 0xffffffffffffffff);
+  let mut x127: u64 = 0;
+  let mut x128: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x127, &mut x128, x123, 0xffffffffffffffff);
+  let mut x129: u64 = 0;
+  let mut x130: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x129, &mut x130, x123, 0xffffffffffffffff);
+  let mut x131: u64 = 0;
+  let mut x132: u64 = 0;
+  fiat_secp256k1_montgomery_mulx_u64(&mut x131, &mut x132, x123, 0xfffffffefffffc2f);
+  let mut x133: u64 = 0;
+  let mut x134: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x133, &mut x134, 0x0, x132, x129);
+  let mut x135: u64 = 0;
+  let mut x136: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x135, &mut x136, x134, x130, x127);
+  let mut x137: u64 = 0;
+  let mut x138: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x137, &mut x138, x136, x128, x125);
+  let mut x139: u64 = 0;
+  let mut x140: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x139, &mut x140, 0x0, x115, x131);
+  let mut x141: u64 = 0;
+  let mut x142: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x141, &mut x142, x140, x117, x133);
+  let mut x143: u64 = 0;
+  let mut x144: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x143, &mut x144, x142, x119, x135);
+  let mut x145: u64 = 0;
+  let mut x146: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x145, &mut x146, x144, x121, x137);
+  let mut x147: u64 = 0;
+  let mut x148: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x147, &mut x148, x146, ((x122 as u64) + (x110 as u64)), ((x138 as u64) + x126));
+  let mut x149: u64 = 0;
+  let mut x150: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x149, &mut x150, 0x0, x141, 0xfffffffefffffc2f);
+  let mut x151: u64 = 0;
+  let mut x152: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x151, &mut x152, x150, x143, 0xffffffffffffffff);
+  let mut x153: u64 = 0;
+  let mut x154: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x153, &mut x154, x152, x145, 0xffffffffffffffff);
+  let mut x155: u64 = 0;
+  let mut x156: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x155, &mut x156, x154, x147, 0xffffffffffffffff);
+  let mut x157: u64 = 0;
+  let mut x158: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x157, &mut x158, x156, (x148 as u64), (0x0 as u64));
+  let mut x159: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x159, x158, x149, x141);
+  let mut x160: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x160, x158, x151, x143);
+  let mut x161: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x161, x158, x153, x145);
+  let mut x162: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x162, x158, x155, x147);
+  out1[0] = x159;
+  out1[1] = x160;
+  out1[2] = x161;
+  out1[3] = x162;
+}
+
+/// The function fiat_secp256k1_montgomery_nonzero outputs a single non-zero word if the input is non-zero and zero otherwise.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   out1 = 0 ↔ eval (from_montgomery arg1) mod m = 0
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+#[inline]
+pub fn fiat_secp256k1_montgomery_nonzero(out1: &mut u64, arg1: &[u64; 4]) -> () {
+  let x1: u64 = ((arg1[0]) | ((arg1[1]) | ((arg1[2]) | (arg1[3]))));
+  *out1 = x1;
+}
+
+/// The function fiat_secp256k1_montgomery_selectznz is a multi-limb conditional select.
+///
+/// Postconditions:
+///   out1 = (if arg1 = 0 then arg2 else arg3)
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_selectznz(out1: &mut [u64; 4], arg1: fiat_secp256k1_montgomery_u1, arg2: &[u64; 4], arg3: &[u64; 4]) -> () {
+  let mut x1: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x1, arg1, (arg2[0]), (arg3[0]));
+  let mut x2: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x2, arg1, (arg2[1]), (arg3[1]));
+  let mut x3: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x3, arg1, (arg2[2]), (arg3[2]));
+  let mut x4: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x4, arg1, (arg2[3]), (arg3[3]));
+  out1[0] = x1;
+  out1[1] = x2;
+  out1[2] = x3;
+  out1[3] = x4;
+}
+
+/// The function fiat_secp256k1_montgomery_to_bytes serializes a field element NOT in the Montgomery domain to bytes in little-endian order.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   out1 = map (λ x, ⌊((eval arg1 mod m) mod 2^(8 * (x + 1))) / 2^(8 * x)⌋) [0..31]
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_to_bytes(out1: &mut [u8; 32], arg1: &[u64; 4]) -> () {
+  let x1: u64 = (arg1[3]);
+  let x2: u64 = (arg1[2]);
+  let x3: u64 = (arg1[1]);
+  let x4: u64 = (arg1[0]);
+  let x5: u8 = ((x4 & (0xff as u64)) as u8);
+  let x6: u64 = (x4 >> 8);
+  let x7: u8 = ((x6 & (0xff as u64)) as u8);
+  let x8: u64 = (x6 >> 8);
+  let x9: u8 = ((x8 & (0xff as u64)) as u8);
+  let x10: u64 = (x8 >> 8);
+  let x11: u8 = ((x10 & (0xff as u64)) as u8);
+  let x12: u64 = (x10 >> 8);
+  let x13: u8 = ((x12 & (0xff as u64)) as u8);
+  let x14: u64 = (x12 >> 8);
+  let x15: u8 = ((x14 & (0xff as u64)) as u8);
+  let x16: u64 = (x14 >> 8);
+  let x17: u8 = ((x16 & (0xff as u64)) as u8);
+  let x18: u8 = ((x16 >> 8) as u8);
+  let x19: u8 = ((x3 & (0xff as u64)) as u8);
+  let x20: u64 = (x3 >> 8);
+  let x21: u8 = ((x20 & (0xff as u64)) as u8);
+  let x22: u64 = (x20 >> 8);
+  let x23: u8 = ((x22 & (0xff as u64)) as u8);
+  let x24: u64 = (x22 >> 8);
+  let x25: u8 = ((x24 & (0xff as u64)) as u8);
+  let x26: u64 = (x24 >> 8);
+  let x27: u8 = ((x26 & (0xff as u64)) as u8);
+  let x28: u64 = (x26 >> 8);
+  let x29: u8 = ((x28 & (0xff as u64)) as u8);
+  let x30: u64 = (x28 >> 8);
+  let x31: u8 = ((x30 & (0xff as u64)) as u8);
+  let x32: u8 = ((x30 >> 8) as u8);
+  let x33: u8 = ((x2 & (0xff as u64)) as u8);
+  let x34: u64 = (x2 >> 8);
+  let x35: u8 = ((x34 & (0xff as u64)) as u8);
+  let x36: u64 = (x34 >> 8);
+  let x37: u8 = ((x36 & (0xff as u64)) as u8);
+  let x38: u64 = (x36 >> 8);
+  let x39: u8 = ((x38 & (0xff as u64)) as u8);
+  let x40: u64 = (x38 >> 8);
+  let x41: u8 = ((x40 & (0xff as u64)) as u8);
+  let x42: u64 = (x40 >> 8);
+  let x43: u8 = ((x42 & (0xff as u64)) as u8);
+  let x44: u64 = (x42 >> 8);
+  let x45: u8 = ((x44 & (0xff as u64)) as u8);
+  let x46: u8 = ((x44 >> 8) as u8);
+  let x47: u8 = ((x1 & (0xff as u64)) as u8);
+  let x48: u64 = (x1 >> 8);
+  let x49: u8 = ((x48 & (0xff as u64)) as u8);
+  let x50: u64 = (x48 >> 8);
+  let x51: u8 = ((x50 & (0xff as u64)) as u8);
+  let x52: u64 = (x50 >> 8);
+  let x53: u8 = ((x52 & (0xff as u64)) as u8);
+  let x54: u64 = (x52 >> 8);
+  let x55: u8 = ((x54 & (0xff as u64)) as u8);
+  let x56: u64 = (x54 >> 8);
+  let x57: u8 = ((x56 & (0xff as u64)) as u8);
+  let x58: u64 = (x56 >> 8);
+  let x59: u8 = ((x58 & (0xff as u64)) as u8);
+  let x60: u8 = ((x58 >> 8) as u8);
+  out1[0] = x5;
+  out1[1] = x7;
+  out1[2] = x9;
+  out1[3] = x11;
+  out1[4] = x13;
+  out1[5] = x15;
+  out1[6] = x17;
+  out1[7] = x18;
+  out1[8] = x19;
+  out1[9] = x21;
+  out1[10] = x23;
+  out1[11] = x25;
+  out1[12] = x27;
+  out1[13] = x29;
+  out1[14] = x31;
+  out1[15] = x32;
+  out1[16] = x33;
+  out1[17] = x35;
+  out1[18] = x37;
+  out1[19] = x39;
+  out1[20] = x41;
+  out1[21] = x43;
+  out1[22] = x45;
+  out1[23] = x46;
+  out1[24] = x47;
+  out1[25] = x49;
+  out1[26] = x51;
+  out1[27] = x53;
+  out1[28] = x55;
+  out1[29] = x57;
+  out1[30] = x59;
+  out1[31] = x60;
+}
+
+/// The function fiat_secp256k1_montgomery_from_bytes deserializes a field element NOT in the Montgomery domain from bytes in little-endian order.
+///
+/// Preconditions:
+///   0 ≤ bytes_eval arg1 < m
+/// Postconditions:
+///   eval out1 mod m = bytes_eval arg1 mod m
+///   0 ≤ eval out1 < m
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_from_bytes(out1: &mut [u64; 4], arg1: &[u8; 32]) -> () {
+  let x1: u64 = (((arg1[31]) as u64) << 56);
+  let x2: u64 = (((arg1[30]) as u64) << 48);
+  let x3: u64 = (((arg1[29]) as u64) << 40);
+  let x4: u64 = (((arg1[28]) as u64) << 32);
+  let x5: u64 = (((arg1[27]) as u64) << 24);
+  let x6: u64 = (((arg1[26]) as u64) << 16);
+  let x7: u64 = (((arg1[25]) as u64) << 8);
+  let x8: u8 = (arg1[24]);
+  let x9: u64 = (((arg1[23]) as u64) << 56);
+  let x10: u64 = (((arg1[22]) as u64) << 48);
+  let x11: u64 = (((arg1[21]) as u64) << 40);
+  let x12: u64 = (((arg1[20]) as u64) << 32);
+  let x13: u64 = (((arg1[19]) as u64) << 24);
+  let x14: u64 = (((arg1[18]) as u64) << 16);
+  let x15: u64 = (((arg1[17]) as u64) << 8);
+  let x16: u8 = (arg1[16]);
+  let x17: u64 = (((arg1[15]) as u64) << 56);
+  let x18: u64 = (((arg1[14]) as u64) << 48);
+  let x19: u64 = (((arg1[13]) as u64) << 40);
+  let x20: u64 = (((arg1[12]) as u64) << 32);
+  let x21: u64 = (((arg1[11]) as u64) << 24);
+  let x22: u64 = (((arg1[10]) as u64) << 16);
+  let x23: u64 = (((arg1[9]) as u64) << 8);
+  let x24: u8 = (arg1[8]);
+  let x25: u64 = (((arg1[7]) as u64) << 56);
+  let x26: u64 = (((arg1[6]) as u64) << 48);
+  let x27: u64 = (((arg1[5]) as u64) << 40);
+  let x28: u64 = (((arg1[4]) as u64) << 32);
+  let x29: u64 = (((arg1[3]) as u64) << 24);
+  let x30: u64 = (((arg1[2]) as u64) << 16);
+  let x31: u64 = (((arg1[1]) as u64) << 8);
+  let x32: u8 = (arg1[0]);
+  let x33: u64 = (x31 + (x32 as u64));
+  let x34: u64 = (x30 + x33);
+  let x35: u64 = (x29 + x34);
+  let x36: u64 = (x28 + x35);
+  let x37: u64 = (x27 + x36);
+  let x38: u64 = (x26 + x37);
+  let x39: u64 = (x25 + x38);
+  let x40: u64 = (x23 + (x24 as u64));
+  let x41: u64 = (x22 + x40);
+  let x42: u64 = (x21 + x41);
+  let x43: u64 = (x20 + x42);
+  let x44: u64 = (x19 + x43);
+  let x45: u64 = (x18 + x44);
+  let x46: u64 = (x17 + x45);
+  let x47: u64 = (x15 + (x16 as u64));
+  let x48: u64 = (x14 + x47);
+  let x49: u64 = (x13 + x48);
+  let x50: u64 = (x12 + x49);
+  let x51: u64 = (x11 + x50);
+  let x52: u64 = (x10 + x51);
+  let x53: u64 = (x9 + x52);
+  let x54: u64 = (x7 + (x8 as u64));
+  let x55: u64 = (x6 + x54);
+  let x56: u64 = (x5 + x55);
+  let x57: u64 = (x4 + x56);
+  let x58: u64 = (x3 + x57);
+  let x59: u64 = (x2 + x58);
+  let x60: u64 = (x1 + x59);
+  out1[0] = x39;
+  out1[1] = x46;
+  out1[2] = x53;
+  out1[3] = x60;
+}
+
+/// The function fiat_secp256k1_montgomery_set_one returns the field element one in the Montgomery domain.
+///
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = 1 mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_set_one(out1: &mut fiat_secp256k1_montgomery_montgomery_domain_field_element) -> () {
+  out1[0] = 0x1000003d1;
+  out1[1] = (0x0 as u64);
+  out1[2] = (0x0 as u64);
+  out1[3] = (0x0 as u64);
+}
+
+/// The function fiat_secp256k1_montgomery_msat returns the saturated representation of the prime modulus.
+///
+/// Postconditions:
+///   twos_complement_eval out1 = m
+///   0 ≤ eval out1 < m
+///
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_msat(out1: &mut [u64; 5]) -> () {
+  out1[0] = 0xfffffffefffffc2f;
+  out1[1] = 0xffffffffffffffff;
+  out1[2] = 0xffffffffffffffff;
+  out1[3] = 0xffffffffffffffff;
+  out1[4] = (0x0 as u64);
+}
+
+/// The function fiat_secp256k1_montgomery_divstep computes a divstep.
+///
+/// Preconditions:
+///   0 ≤ eval arg4 < m
+///   0 ≤ eval arg5 < m
+/// Postconditions:
+///   out1 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then 1 - arg1 else 1 + arg1)
+///   twos_complement_eval out2 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then twos_complement_eval arg3 else twos_complement_eval arg2)
+///   twos_complement_eval out3 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then ⌊(twos_complement_eval arg3 - twos_complement_eval arg2) / 2⌋ else ⌊(twos_complement_eval arg3 + (twos_complement_eval arg3 mod 2) * twos_complement_eval arg2) / 2⌋)
+///   eval (from_montgomery out4) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (2 * eval (from_montgomery arg5)) mod m else (2 * eval (from_montgomery arg4)) mod m)
+///   eval (from_montgomery out5) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (eval (from_montgomery arg4) - eval (from_montgomery arg4)) mod m else (eval (from_montgomery arg5) + (twos_complement_eval arg3 mod 2) * eval (from_montgomery arg4)) mod m)
+///   0 ≤ eval out5 < m
+///   0 ≤ eval out5 < m
+///   0 ≤ eval out2 < m
+///   0 ≤ eval out3 < m
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0xffffffffffffffff]
+///   arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   arg4: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   arg5: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+///   out2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   out3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   out4: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   out5: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_divstep(out1: &mut u64, out2: &mut [u64; 5], out3: &mut [u64; 5], out4: &mut [u64; 4], out5: &mut [u64; 4], arg1: u64, arg2: &[u64; 5], arg3: &[u64; 5], arg4: &[u64; 4], arg5: &[u64; 4]) -> () {
+  let mut x1: u64 = 0;
+  let mut x2: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x1, &mut x2, 0x0, (!arg1), (0x1 as u64));
+  let x3: fiat_secp256k1_montgomery_u1 = (((x1 >> 63) as fiat_secp256k1_montgomery_u1) & (((arg3[0]) & (0x1 as u64)) as fiat_secp256k1_montgomery_u1));
+  let mut x4: u64 = 0;
+  let mut x5: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x4, &mut x5, 0x0, (!arg1), (0x1 as u64));
+  let mut x6: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x6, x3, arg1, x4);
+  let mut x7: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x7, x3, (arg2[0]), (arg3[0]));
+  let mut x8: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x8, x3, (arg2[1]), (arg3[1]));
+  let mut x9: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x9, x3, (arg2[2]), (arg3[2]));
+  let mut x10: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x10, x3, (arg2[3]), (arg3[3]));
+  let mut x11: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x11, x3, (arg2[4]), (arg3[4]));
+  let mut x12: u64 = 0;
+  let mut x13: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x12, &mut x13, 0x0, (0x1 as u64), (!(arg2[0])));
+  let mut x14: u64 = 0;
+  let mut x15: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x14, &mut x15, x13, (0x0 as u64), (!(arg2[1])));
+  let mut x16: u64 = 0;
+  let mut x17: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x16, &mut x17, x15, (0x0 as u64), (!(arg2[2])));
+  let mut x18: u64 = 0;
+  let mut x19: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x18, &mut x19, x17, (0x0 as u64), (!(arg2[3])));
+  let mut x20: u64 = 0;
+  let mut x21: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x20, &mut x21, x19, (0x0 as u64), (!(arg2[4])));
+  let mut x22: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x22, x3, (arg3[0]), x12);
+  let mut x23: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x23, x3, (arg3[1]), x14);
+  let mut x24: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x24, x3, (arg3[2]), x16);
+  let mut x25: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x25, x3, (arg3[3]), x18);
+  let mut x26: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x26, x3, (arg3[4]), x20);
+  let mut x27: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x27, x3, (arg4[0]), (arg5[0]));
+  let mut x28: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x28, x3, (arg4[1]), (arg5[1]));
+  let mut x29: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x29, x3, (arg4[2]), (arg5[2]));
+  let mut x30: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x30, x3, (arg4[3]), (arg5[3]));
+  let mut x31: u64 = 0;
+  let mut x32: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x31, &mut x32, 0x0, x27, x27);
+  let mut x33: u64 = 0;
+  let mut x34: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x33, &mut x34, x32, x28, x28);
+  let mut x35: u64 = 0;
+  let mut x36: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x35, &mut x36, x34, x29, x29);
+  let mut x37: u64 = 0;
+  let mut x38: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x37, &mut x38, x36, x30, x30);
+  let mut x39: u64 = 0;
+  let mut x40: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x39, &mut x40, 0x0, x31, 0xfffffffefffffc2f);
+  let mut x41: u64 = 0;
+  let mut x42: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x41, &mut x42, x40, x33, 0xffffffffffffffff);
+  let mut x43: u64 = 0;
+  let mut x44: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x43, &mut x44, x42, x35, 0xffffffffffffffff);
+  let mut x45: u64 = 0;
+  let mut x46: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x45, &mut x46, x44, x37, 0xffffffffffffffff);
+  let mut x47: u64 = 0;
+  let mut x48: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x47, &mut x48, x46, (x38 as u64), (0x0 as u64));
+  let x49: u64 = (arg4[3]);
+  let x50: u64 = (arg4[2]);
+  let x51: u64 = (arg4[1]);
+  let x52: u64 = (arg4[0]);
+  let mut x53: u64 = 0;
+  let mut x54: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x53, &mut x54, 0x0, (0x0 as u64), x52);
+  let mut x55: u64 = 0;
+  let mut x56: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x55, &mut x56, x54, (0x0 as u64), x51);
+  let mut x57: u64 = 0;
+  let mut x58: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x57, &mut x58, x56, (0x0 as u64), x50);
+  let mut x59: u64 = 0;
+  let mut x60: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x59, &mut x60, x58, (0x0 as u64), x49);
+  let mut x61: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x61, x60, (0x0 as u64), 0xffffffffffffffff);
+  let mut x62: u64 = 0;
+  let mut x63: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x62, &mut x63, 0x0, x53, (x61 & 0xfffffffefffffc2f));
+  let mut x64: u64 = 0;
+  let mut x65: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x64, &mut x65, x63, x55, x61);
+  let mut x66: u64 = 0;
+  let mut x67: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x66, &mut x67, x65, x57, x61);
+  let mut x68: u64 = 0;
+  let mut x69: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x68, &mut x69, x67, x59, x61);
+  let mut x70: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x70, x3, (arg5[0]), x62);
+  let mut x71: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x71, x3, (arg5[1]), x64);
+  let mut x72: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x72, x3, (arg5[2]), x66);
+  let mut x73: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x73, x3, (arg5[3]), x68);
+  let x74: fiat_secp256k1_montgomery_u1 = ((x22 & (0x1 as u64)) as fiat_secp256k1_montgomery_u1);
+  let mut x75: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x75, x74, (0x0 as u64), x7);
+  let mut x76: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x76, x74, (0x0 as u64), x8);
+  let mut x77: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x77, x74, (0x0 as u64), x9);
+  let mut x78: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x78, x74, (0x0 as u64), x10);
+  let mut x79: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x79, x74, (0x0 as u64), x11);
+  let mut x80: u64 = 0;
+  let mut x81: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x80, &mut x81, 0x0, x22, x75);
+  let mut x82: u64 = 0;
+  let mut x83: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x82, &mut x83, x81, x23, x76);
+  let mut x84: u64 = 0;
+  let mut x85: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x84, &mut x85, x83, x24, x77);
+  let mut x86: u64 = 0;
+  let mut x87: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x86, &mut x87, x85, x25, x78);
+  let mut x88: u64 = 0;
+  let mut x89: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x88, &mut x89, x87, x26, x79);
+  let mut x90: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x90, x74, (0x0 as u64), x27);
+  let mut x91: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x91, x74, (0x0 as u64), x28);
+  let mut x92: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x92, x74, (0x0 as u64), x29);
+  let mut x93: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x93, x74, (0x0 as u64), x30);
+  let mut x94: u64 = 0;
+  let mut x95: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x94, &mut x95, 0x0, x70, x90);
+  let mut x96: u64 = 0;
+  let mut x97: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x96, &mut x97, x95, x71, x91);
+  let mut x98: u64 = 0;
+  let mut x99: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x98, &mut x99, x97, x72, x92);
+  let mut x100: u64 = 0;
+  let mut x101: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x100, &mut x101, x99, x73, x93);
+  let mut x102: u64 = 0;
+  let mut x103: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x102, &mut x103, 0x0, x94, 0xfffffffefffffc2f);
+  let mut x104: u64 = 0;
+  let mut x105: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x104, &mut x105, x103, x96, 0xffffffffffffffff);
+  let mut x106: u64 = 0;
+  let mut x107: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x106, &mut x107, x105, x98, 0xffffffffffffffff);
+  let mut x108: u64 = 0;
+  let mut x109: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x108, &mut x109, x107, x100, 0xffffffffffffffff);
+  let mut x110: u64 = 0;
+  let mut x111: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_subborrowx_u64(&mut x110, &mut x111, x109, (x101 as u64), (0x0 as u64));
+  let mut x112: u64 = 0;
+  let mut x113: fiat_secp256k1_montgomery_u1 = 0;
+  fiat_secp256k1_montgomery_addcarryx_u64(&mut x112, &mut x113, 0x0, x6, (0x1 as u64));
+  let x114: u64 = ((x80 >> 1) | ((x82 << 63) & 0xffffffffffffffff));
+  let x115: u64 = ((x82 >> 1) | ((x84 << 63) & 0xffffffffffffffff));
+  let x116: u64 = ((x84 >> 1) | ((x86 << 63) & 0xffffffffffffffff));
+  let x117: u64 = ((x86 >> 1) | ((x88 << 63) & 0xffffffffffffffff));
+  let x118: u64 = ((x88 & 0x8000000000000000) | (x88 >> 1));
+  let mut x119: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x119, x48, x39, x31);
+  let mut x120: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x120, x48, x41, x33);
+  let mut x121: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x121, x48, x43, x35);
+  let mut x122: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x122, x48, x45, x37);
+  let mut x123: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x123, x111, x102, x94);
+  let mut x124: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x124, x111, x104, x96);
+  let mut x125: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x125, x111, x106, x98);
+  let mut x126: u64 = 0;
+  fiat_secp256k1_montgomery_cmovznz_u64(&mut x126, x111, x108, x100);
+  *out1 = x112;
+  out2[0] = x7;
+  out2[1] = x8;
+  out2[2] = x9;
+  out2[3] = x10;
+  out2[4] = x11;
+  out3[0] = x114;
+  out3[1] = x115;
+  out3[2] = x116;
+  out3[3] = x117;
+  out3[4] = x118;
+  out4[0] = x119;
+  out4[1] = x120;
+  out4[2] = x121;
+  out4[3] = x122;
+  out5[0] = x123;
+  out5[1] = x124;
+  out5[2] = x125;
+  out5[3] = x126;
+}
+
+/// The function fiat_secp256k1_montgomery_divstep_precomp returns the precomputed value for Bernstein-Yang-inversion (in montgomery form).
+///
+/// Postconditions:
+///   eval (from_montgomery out1) = ⌊(m - 1) / 2⌋^(if ⌊log2 m⌋ + 1 < 46 then ⌊(49 * (⌊log2 m⌋ + 1) + 80) / 17⌋ else ⌊(49 * (⌊log2 m⌋ + 1) + 57) / 17⌋)
+///   0 ≤ eval out1 < m
+///
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_divstep_precomp(out1: &mut [u64; 4]) -> () {
+  out1[0] = 0xf201a41831525e0a;
+  out1[1] = 0x9953f9ddcd648d85;
+  out1[2] = 0xe86029463db210a9;
+  out1[3] = 0x24fb8a3104b03709;
+}
diff --git a/vendor/fiat-crypto/src/secp256k1_montgomery_scalar_32.rs b/vendor/fiat-crypto/src/secp256k1_montgomery_scalar_32.rs
new file mode 100644
index 000000000..b2ed348a1
--- /dev/null
+++ b/vendor/fiat-crypto/src/secp256k1_montgomery_scalar_32.rs
@@ -0,0 +1,5601 @@
+//! Autogenerated: 'src/ExtractionOCaml/word_by_word_montgomery' --lang Rust --inline secp256k1_montgomery_scalar 32 '2^256 - 432420386565659656852420866394968145599' mul square add sub opp from_montgomery to_montgomery nonzero selectznz to_bytes from_bytes one msat divstep divstep_precomp
+//! curve description: secp256k1_montgomery_scalar
+//! machine_wordsize = 32 (from "32")
+//! requested operations: mul, square, add, sub, opp, from_montgomery, to_montgomery, nonzero, selectznz, to_bytes, from_bytes, one, msat, divstep, divstep_precomp
+//! m = 0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141 (from "2^256 - 432420386565659656852420866394968145599")
+//!
+//! NOTE: In addition to the bounds specified above each function, all
+//!   functions synthesized for this Montgomery arithmetic require the
+//!   input to be strictly less than the prime modulus (m), and also
+//!   require the input to be in the unique saturated representation.
+//!   All functions also ensure that these two properties are true of
+//!   return values.
+//!
+//! Computed values:
+//!   eval z = z[0] + (z[1] << 32) + (z[2] << 64) + (z[3] << 96) + (z[4] << 128) + (z[5] << 160) + (z[6] << 192) + (z[7] << 224)
+//!   bytes_eval z = z[0] + (z[1] << 8) + (z[2] << 16) + (z[3] << 24) + (z[4] << 32) + (z[5] << 40) + (z[6] << 48) + (z[7] << 56) + (z[8] << 64) + (z[9] << 72) + (z[10] << 80) + (z[11] << 88) + (z[12] << 96) + (z[13] << 104) + (z[14] << 112) + (z[15] << 120) + (z[16] << 128) + (z[17] << 136) + (z[18] << 144) + (z[19] << 152) + (z[20] << 160) + (z[21] << 168) + (z[22] << 176) + (z[23] << 184) + (z[24] << 192) + (z[25] << 200) + (z[26] << 208) + (z[27] << 216) + (z[28] << 224) + (z[29] << 232) + (z[30] << 240) + (z[31] << 248)
+//!   twos_complement_eval z = let x1 := z[0] + (z[1] << 32) + (z[2] << 64) + (z[3] << 96) + (z[4] << 128) + (z[5] << 160) + (z[6] << 192) + (z[7] << 224) in
+//!                            if x1 & (2^256-1) < 2^255 then x1 & (2^256-1) else (x1 & (2^256-1)) - 2^256
+
+#![allow(unused_parens)]
+#![allow(non_camel_case_types)]
+
+pub type fiat_secp256k1_montgomery_scalar_u1 = u8;
+pub type fiat_secp256k1_montgomery_scalar_i1 = i8;
+pub type fiat_secp256k1_montgomery_scalar_u2 = u8;
+pub type fiat_secp256k1_montgomery_scalar_i2 = i8;
+
+/* The type fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element is a field element in the Montgomery domain. */
+/* Bounds: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]] */
+pub type fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element = [u32; 8];
+
+/* The type fiat_secp256k1_montgomery_scalar_non_montgomery_domain_field_element is a field element NOT in the Montgomery domain. */
+/* Bounds: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]] */
+pub type fiat_secp256k1_montgomery_scalar_non_montgomery_domain_field_element = [u32; 8];
+
+
+/// The function fiat_secp256k1_montgomery_scalar_addcarryx_u32 is an addition with carry.
+///
+/// Postconditions:
+///   out1 = (arg1 + arg2 + arg3) mod 2^32
+///   out2 = ⌊(arg1 + arg2 + arg3) / 2^32⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffff]
+///   arg3: [0x0 ~> 0xffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffff]
+///   out2: [0x0 ~> 0x1]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_addcarryx_u32(out1: &mut u32, out2: &mut fiat_secp256k1_montgomery_scalar_u1, arg1: fiat_secp256k1_montgomery_scalar_u1, arg2: u32, arg3: u32) -> () {
+  let x1: u64 = (((arg1 as u64) + (arg2 as u64)) + (arg3 as u64));
+  let x2: u32 = ((x1 & (0xffffffff as u64)) as u32);
+  let x3: fiat_secp256k1_montgomery_scalar_u1 = ((x1 >> 32) as fiat_secp256k1_montgomery_scalar_u1);
+  *out1 = x2;
+  *out2 = x3;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_subborrowx_u32 is a subtraction with borrow.
+///
+/// Postconditions:
+///   out1 = (-arg1 + arg2 + -arg3) mod 2^32
+///   out2 = -⌊(-arg1 + arg2 + -arg3) / 2^32⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffff]
+///   arg3: [0x0 ~> 0xffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffff]
+///   out2: [0x0 ~> 0x1]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_subborrowx_u32(out1: &mut u32, out2: &mut fiat_secp256k1_montgomery_scalar_u1, arg1: fiat_secp256k1_montgomery_scalar_u1, arg2: u32, arg3: u32) -> () {
+  let x1: i64 = (((arg2 as i64) - (arg1 as i64)) - (arg3 as i64));
+  let x2: fiat_secp256k1_montgomery_scalar_i1 = ((x1 >> 32) as fiat_secp256k1_montgomery_scalar_i1);
+  let x3: u32 = ((x1 & (0xffffffff as i64)) as u32);
+  *out1 = x3;
+  *out2 = (((0x0 as fiat_secp256k1_montgomery_scalar_i2) - (x2 as fiat_secp256k1_montgomery_scalar_i2)) as fiat_secp256k1_montgomery_scalar_u1);
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_mulx_u32 is a multiplication, returning the full double-width result.
+///
+/// Postconditions:
+///   out1 = (arg1 * arg2) mod 2^32
+///   out2 = ⌊arg1 * arg2 / 2^32⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0xffffffff]
+///   arg2: [0x0 ~> 0xffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffff]
+///   out2: [0x0 ~> 0xffffffff]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_mulx_u32(out1: &mut u32, out2: &mut u32, arg1: u32, arg2: u32) -> () {
+  let x1: u64 = ((arg1 as u64) * (arg2 as u64));
+  let x2: u32 = ((x1 & (0xffffffff as u64)) as u32);
+  let x3: u32 = ((x1 >> 32) as u32);
+  *out1 = x2;
+  *out2 = x3;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_cmovznz_u32 is a single-word conditional move.
+///
+/// Postconditions:
+///   out1 = (if arg1 = 0 then arg2 else arg3)
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffff]
+///   arg3: [0x0 ~> 0xffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffff]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_cmovznz_u32(out1: &mut u32, arg1: fiat_secp256k1_montgomery_scalar_u1, arg2: u32, arg3: u32) -> () {
+  let x1: fiat_secp256k1_montgomery_scalar_u1 = (!(!arg1));
+  let x2: u32 = ((((((0x0 as fiat_secp256k1_montgomery_scalar_i2) - (x1 as fiat_secp256k1_montgomery_scalar_i2)) as fiat_secp256k1_montgomery_scalar_i1) as i64) & (0xffffffff as i64)) as u32);
+  let x3: u32 = ((x2 & arg3) | ((!x2) & arg2));
+  *out1 = x3;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_mul multiplies two field elements in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+///   0 ≤ eval arg2 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_mul(out1: &mut fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element) -> () {
+  let x1: u32 = (arg1[1]);
+  let x2: u32 = (arg1[2]);
+  let x3: u32 = (arg1[3]);
+  let x4: u32 = (arg1[4]);
+  let x5: u32 = (arg1[5]);
+  let x6: u32 = (arg1[6]);
+  let x7: u32 = (arg1[7]);
+  let x8: u32 = (arg1[0]);
+  let mut x9: u32 = 0;
+  let mut x10: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x9, &mut x10, x8, (arg2[7]));
+  let mut x11: u32 = 0;
+  let mut x12: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x11, &mut x12, x8, (arg2[6]));
+  let mut x13: u32 = 0;
+  let mut x14: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x13, &mut x14, x8, (arg2[5]));
+  let mut x15: u32 = 0;
+  let mut x16: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x15, &mut x16, x8, (arg2[4]));
+  let mut x17: u32 = 0;
+  let mut x18: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x17, &mut x18, x8, (arg2[3]));
+  let mut x19: u32 = 0;
+  let mut x20: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x19, &mut x20, x8, (arg2[2]));
+  let mut x21: u32 = 0;
+  let mut x22: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x21, &mut x22, x8, (arg2[1]));
+  let mut x23: u32 = 0;
+  let mut x24: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x23, &mut x24, x8, (arg2[0]));
+  let mut x25: u32 = 0;
+  let mut x26: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x25, &mut x26, 0x0, x24, x21);
+  let mut x27: u32 = 0;
+  let mut x28: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x27, &mut x28, x26, x22, x19);
+  let mut x29: u32 = 0;
+  let mut x30: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x29, &mut x30, x28, x20, x17);
+  let mut x31: u32 = 0;
+  let mut x32: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x31, &mut x32, x30, x18, x15);
+  let mut x33: u32 = 0;
+  let mut x34: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x33, &mut x34, x32, x16, x13);
+  let mut x35: u32 = 0;
+  let mut x36: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x35, &mut x36, x34, x14, x11);
+  let mut x37: u32 = 0;
+  let mut x38: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x37, &mut x38, x36, x12, x9);
+  let x39: u32 = ((x38 as u32) + x10);
+  let mut x40: u32 = 0;
+  let mut x41: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x40, &mut x41, x23, 0x5588b13f);
+  let mut x42: u32 = 0;
+  let mut x43: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x42, &mut x43, x40, 0xffffffff);
+  let mut x44: u32 = 0;
+  let mut x45: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x44, &mut x45, x40, 0xffffffff);
+  let mut x46: u32 = 0;
+  let mut x47: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x46, &mut x47, x40, 0xffffffff);
+  let mut x48: u32 = 0;
+  let mut x49: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x48, &mut x49, x40, 0xfffffffe);
+  let mut x50: u32 = 0;
+  let mut x51: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x50, &mut x51, x40, 0xbaaedce6);
+  let mut x52: u32 = 0;
+  let mut x53: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x52, &mut x53, x40, 0xaf48a03b);
+  let mut x54: u32 = 0;
+  let mut x55: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x54, &mut x55, x40, 0xbfd25e8c);
+  let mut x56: u32 = 0;
+  let mut x57: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x56, &mut x57, x40, 0xd0364141);
+  let mut x58: u32 = 0;
+  let mut x59: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x58, &mut x59, 0x0, x57, x54);
+  let mut x60: u32 = 0;
+  let mut x61: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x60, &mut x61, x59, x55, x52);
+  let mut x62: u32 = 0;
+  let mut x63: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x62, &mut x63, x61, x53, x50);
+  let mut x64: u32 = 0;
+  let mut x65: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x64, &mut x65, x63, x51, x48);
+  let mut x66: u32 = 0;
+  let mut x67: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x66, &mut x67, x65, x49, x46);
+  let mut x68: u32 = 0;
+  let mut x69: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x68, &mut x69, x67, x47, x44);
+  let mut x70: u32 = 0;
+  let mut x71: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x70, &mut x71, x69, x45, x42);
+  let x72: u32 = ((x71 as u32) + x43);
+  let mut x73: u32 = 0;
+  let mut x74: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x73, &mut x74, 0x0, x23, x56);
+  let mut x75: u32 = 0;
+  let mut x76: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x75, &mut x76, x74, x25, x58);
+  let mut x77: u32 = 0;
+  let mut x78: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x77, &mut x78, x76, x27, x60);
+  let mut x79: u32 = 0;
+  let mut x80: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x79, &mut x80, x78, x29, x62);
+  let mut x81: u32 = 0;
+  let mut x82: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x81, &mut x82, x80, x31, x64);
+  let mut x83: u32 = 0;
+  let mut x84: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x83, &mut x84, x82, x33, x66);
+  let mut x85: u32 = 0;
+  let mut x86: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x85, &mut x86, x84, x35, x68);
+  let mut x87: u32 = 0;
+  let mut x88: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x87, &mut x88, x86, x37, x70);
+  let mut x89: u32 = 0;
+  let mut x90: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x89, &mut x90, x88, x39, x72);
+  let mut x91: u32 = 0;
+  let mut x92: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x91, &mut x92, x1, (arg2[7]));
+  let mut x93: u32 = 0;
+  let mut x94: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x93, &mut x94, x1, (arg2[6]));
+  let mut x95: u32 = 0;
+  let mut x96: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x95, &mut x96, x1, (arg2[5]));
+  let mut x97: u32 = 0;
+  let mut x98: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x97, &mut x98, x1, (arg2[4]));
+  let mut x99: u32 = 0;
+  let mut x100: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x99, &mut x100, x1, (arg2[3]));
+  let mut x101: u32 = 0;
+  let mut x102: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x101, &mut x102, x1, (arg2[2]));
+  let mut x103: u32 = 0;
+  let mut x104: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x103, &mut x104, x1, (arg2[1]));
+  let mut x105: u32 = 0;
+  let mut x106: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x105, &mut x106, x1, (arg2[0]));
+  let mut x107: u32 = 0;
+  let mut x108: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x107, &mut x108, 0x0, x106, x103);
+  let mut x109: u32 = 0;
+  let mut x110: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x109, &mut x110, x108, x104, x101);
+  let mut x111: u32 = 0;
+  let mut x112: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x111, &mut x112, x110, x102, x99);
+  let mut x113: u32 = 0;
+  let mut x114: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x113, &mut x114, x112, x100, x97);
+  let mut x115: u32 = 0;
+  let mut x116: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x115, &mut x116, x114, x98, x95);
+  let mut x117: u32 = 0;
+  let mut x118: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x117, &mut x118, x116, x96, x93);
+  let mut x119: u32 = 0;
+  let mut x120: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x119, &mut x120, x118, x94, x91);
+  let x121: u32 = ((x120 as u32) + x92);
+  let mut x122: u32 = 0;
+  let mut x123: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x122, &mut x123, 0x0, x75, x105);
+  let mut x124: u32 = 0;
+  let mut x125: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x124, &mut x125, x123, x77, x107);
+  let mut x126: u32 = 0;
+  let mut x127: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x126, &mut x127, x125, x79, x109);
+  let mut x128: u32 = 0;
+  let mut x129: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x128, &mut x129, x127, x81, x111);
+  let mut x130: u32 = 0;
+  let mut x131: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x130, &mut x131, x129, x83, x113);
+  let mut x132: u32 = 0;
+  let mut x133: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x132, &mut x133, x131, x85, x115);
+  let mut x134: u32 = 0;
+  let mut x135: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x134, &mut x135, x133, x87, x117);
+  let mut x136: u32 = 0;
+  let mut x137: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x136, &mut x137, x135, x89, x119);
+  let mut x138: u32 = 0;
+  let mut x139: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x138, &mut x139, x137, (x90 as u32), x121);
+  let mut x140: u32 = 0;
+  let mut x141: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x140, &mut x141, x122, 0x5588b13f);
+  let mut x142: u32 = 0;
+  let mut x143: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x142, &mut x143, x140, 0xffffffff);
+  let mut x144: u32 = 0;
+  let mut x145: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x144, &mut x145, x140, 0xffffffff);
+  let mut x146: u32 = 0;
+  let mut x147: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x146, &mut x147, x140, 0xffffffff);
+  let mut x148: u32 = 0;
+  let mut x149: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x148, &mut x149, x140, 0xfffffffe);
+  let mut x150: u32 = 0;
+  let mut x151: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x150, &mut x151, x140, 0xbaaedce6);
+  let mut x152: u32 = 0;
+  let mut x153: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x152, &mut x153, x140, 0xaf48a03b);
+  let mut x154: u32 = 0;
+  let mut x155: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x154, &mut x155, x140, 0xbfd25e8c);
+  let mut x156: u32 = 0;
+  let mut x157: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x156, &mut x157, x140, 0xd0364141);
+  let mut x158: u32 = 0;
+  let mut x159: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x158, &mut x159, 0x0, x157, x154);
+  let mut x160: u32 = 0;
+  let mut x161: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x160, &mut x161, x159, x155, x152);
+  let mut x162: u32 = 0;
+  let mut x163: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x162, &mut x163, x161, x153, x150);
+  let mut x164: u32 = 0;
+  let mut x165: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x164, &mut x165, x163, x151, x148);
+  let mut x166: u32 = 0;
+  let mut x167: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x166, &mut x167, x165, x149, x146);
+  let mut x168: u32 = 0;
+  let mut x169: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x168, &mut x169, x167, x147, x144);
+  let mut x170: u32 = 0;
+  let mut x171: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x170, &mut x171, x169, x145, x142);
+  let x172: u32 = ((x171 as u32) + x143);
+  let mut x173: u32 = 0;
+  let mut x174: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x173, &mut x174, 0x0, x122, x156);
+  let mut x175: u32 = 0;
+  let mut x176: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x175, &mut x176, x174, x124, x158);
+  let mut x177: u32 = 0;
+  let mut x178: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x177, &mut x178, x176, x126, x160);
+  let mut x179: u32 = 0;
+  let mut x180: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x179, &mut x180, x178, x128, x162);
+  let mut x181: u32 = 0;
+  let mut x182: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x181, &mut x182, x180, x130, x164);
+  let mut x183: u32 = 0;
+  let mut x184: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x183, &mut x184, x182, x132, x166);
+  let mut x185: u32 = 0;
+  let mut x186: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x185, &mut x186, x184, x134, x168);
+  let mut x187: u32 = 0;
+  let mut x188: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x187, &mut x188, x186, x136, x170);
+  let mut x189: u32 = 0;
+  let mut x190: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x189, &mut x190, x188, x138, x172);
+  let x191: u32 = ((x190 as u32) + (x139 as u32));
+  let mut x192: u32 = 0;
+  let mut x193: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x192, &mut x193, x2, (arg2[7]));
+  let mut x194: u32 = 0;
+  let mut x195: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x194, &mut x195, x2, (arg2[6]));
+  let mut x196: u32 = 0;
+  let mut x197: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x196, &mut x197, x2, (arg2[5]));
+  let mut x198: u32 = 0;
+  let mut x199: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x198, &mut x199, x2, (arg2[4]));
+  let mut x200: u32 = 0;
+  let mut x201: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x200, &mut x201, x2, (arg2[3]));
+  let mut x202: u32 = 0;
+  let mut x203: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x202, &mut x203, x2, (arg2[2]));
+  let mut x204: u32 = 0;
+  let mut x205: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x204, &mut x205, x2, (arg2[1]));
+  let mut x206: u32 = 0;
+  let mut x207: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x206, &mut x207, x2, (arg2[0]));
+  let mut x208: u32 = 0;
+  let mut x209: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x208, &mut x209, 0x0, x207, x204);
+  let mut x210: u32 = 0;
+  let mut x211: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x210, &mut x211, x209, x205, x202);
+  let mut x212: u32 = 0;
+  let mut x213: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x212, &mut x213, x211, x203, x200);
+  let mut x214: u32 = 0;
+  let mut x215: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x214, &mut x215, x213, x201, x198);
+  let mut x216: u32 = 0;
+  let mut x217: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x216, &mut x217, x215, x199, x196);
+  let mut x218: u32 = 0;
+  let mut x219: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x218, &mut x219, x217, x197, x194);
+  let mut x220: u32 = 0;
+  let mut x221: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x220, &mut x221, x219, x195, x192);
+  let x222: u32 = ((x221 as u32) + x193);
+  let mut x223: u32 = 0;
+  let mut x224: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x223, &mut x224, 0x0, x175, x206);
+  let mut x225: u32 = 0;
+  let mut x226: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x225, &mut x226, x224, x177, x208);
+  let mut x227: u32 = 0;
+  let mut x228: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x227, &mut x228, x226, x179, x210);
+  let mut x229: u32 = 0;
+  let mut x230: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x229, &mut x230, x228, x181, x212);
+  let mut x231: u32 = 0;
+  let mut x232: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x231, &mut x232, x230, x183, x214);
+  let mut x233: u32 = 0;
+  let mut x234: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x233, &mut x234, x232, x185, x216);
+  let mut x235: u32 = 0;
+  let mut x236: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x235, &mut x236, x234, x187, x218);
+  let mut x237: u32 = 0;
+  let mut x238: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x237, &mut x238, x236, x189, x220);
+  let mut x239: u32 = 0;
+  let mut x240: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x239, &mut x240, x238, x191, x222);
+  let mut x241: u32 = 0;
+  let mut x242: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x241, &mut x242, x223, 0x5588b13f);
+  let mut x243: u32 = 0;
+  let mut x244: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x243, &mut x244, x241, 0xffffffff);
+  let mut x245: u32 = 0;
+  let mut x246: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x245, &mut x246, x241, 0xffffffff);
+  let mut x247: u32 = 0;
+  let mut x248: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x247, &mut x248, x241, 0xffffffff);
+  let mut x249: u32 = 0;
+  let mut x250: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x249, &mut x250, x241, 0xfffffffe);
+  let mut x251: u32 = 0;
+  let mut x252: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x251, &mut x252, x241, 0xbaaedce6);
+  let mut x253: u32 = 0;
+  let mut x254: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x253, &mut x254, x241, 0xaf48a03b);
+  let mut x255: u32 = 0;
+  let mut x256: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x255, &mut x256, x241, 0xbfd25e8c);
+  let mut x257: u32 = 0;
+  let mut x258: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x257, &mut x258, x241, 0xd0364141);
+  let mut x259: u32 = 0;
+  let mut x260: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x259, &mut x260, 0x0, x258, x255);
+  let mut x261: u32 = 0;
+  let mut x262: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x261, &mut x262, x260, x256, x253);
+  let mut x263: u32 = 0;
+  let mut x264: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x263, &mut x264, x262, x254, x251);
+  let mut x265: u32 = 0;
+  let mut x266: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x265, &mut x266, x264, x252, x249);
+  let mut x267: u32 = 0;
+  let mut x268: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x267, &mut x268, x266, x250, x247);
+  let mut x269: u32 = 0;
+  let mut x270: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x269, &mut x270, x268, x248, x245);
+  let mut x271: u32 = 0;
+  let mut x272: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x271, &mut x272, x270, x246, x243);
+  let x273: u32 = ((x272 as u32) + x244);
+  let mut x274: u32 = 0;
+  let mut x275: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x274, &mut x275, 0x0, x223, x257);
+  let mut x276: u32 = 0;
+  let mut x277: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x276, &mut x277, x275, x225, x259);
+  let mut x278: u32 = 0;
+  let mut x279: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x278, &mut x279, x277, x227, x261);
+  let mut x280: u32 = 0;
+  let mut x281: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x280, &mut x281, x279, x229, x263);
+  let mut x282: u32 = 0;
+  let mut x283: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x282, &mut x283, x281, x231, x265);
+  let mut x284: u32 = 0;
+  let mut x285: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x284, &mut x285, x283, x233, x267);
+  let mut x286: u32 = 0;
+  let mut x287: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x286, &mut x287, x285, x235, x269);
+  let mut x288: u32 = 0;
+  let mut x289: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x288, &mut x289, x287, x237, x271);
+  let mut x290: u32 = 0;
+  let mut x291: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x290, &mut x291, x289, x239, x273);
+  let x292: u32 = ((x291 as u32) + (x240 as u32));
+  let mut x293: u32 = 0;
+  let mut x294: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x293, &mut x294, x3, (arg2[7]));
+  let mut x295: u32 = 0;
+  let mut x296: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x295, &mut x296, x3, (arg2[6]));
+  let mut x297: u32 = 0;
+  let mut x298: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x297, &mut x298, x3, (arg2[5]));
+  let mut x299: u32 = 0;
+  let mut x300: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x299, &mut x300, x3, (arg2[4]));
+  let mut x301: u32 = 0;
+  let mut x302: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x301, &mut x302, x3, (arg2[3]));
+  let mut x303: u32 = 0;
+  let mut x304: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x303, &mut x304, x3, (arg2[2]));
+  let mut x305: u32 = 0;
+  let mut x306: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x305, &mut x306, x3, (arg2[1]));
+  let mut x307: u32 = 0;
+  let mut x308: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x307, &mut x308, x3, (arg2[0]));
+  let mut x309: u32 = 0;
+  let mut x310: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x309, &mut x310, 0x0, x308, x305);
+  let mut x311: u32 = 0;
+  let mut x312: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x311, &mut x312, x310, x306, x303);
+  let mut x313: u32 = 0;
+  let mut x314: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x313, &mut x314, x312, x304, x301);
+  let mut x315: u32 = 0;
+  let mut x316: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x315, &mut x316, x314, x302, x299);
+  let mut x317: u32 = 0;
+  let mut x318: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x317, &mut x318, x316, x300, x297);
+  let mut x319: u32 = 0;
+  let mut x320: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x319, &mut x320, x318, x298, x295);
+  let mut x321: u32 = 0;
+  let mut x322: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x321, &mut x322, x320, x296, x293);
+  let x323: u32 = ((x322 as u32) + x294);
+  let mut x324: u32 = 0;
+  let mut x325: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x324, &mut x325, 0x0, x276, x307);
+  let mut x326: u32 = 0;
+  let mut x327: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x326, &mut x327, x325, x278, x309);
+  let mut x328: u32 = 0;
+  let mut x329: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x328, &mut x329, x327, x280, x311);
+  let mut x330: u32 = 0;
+  let mut x331: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x330, &mut x331, x329, x282, x313);
+  let mut x332: u32 = 0;
+  let mut x333: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x332, &mut x333, x331, x284, x315);
+  let mut x334: u32 = 0;
+  let mut x335: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x334, &mut x335, x333, x286, x317);
+  let mut x336: u32 = 0;
+  let mut x337: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x336, &mut x337, x335, x288, x319);
+  let mut x338: u32 = 0;
+  let mut x339: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x338, &mut x339, x337, x290, x321);
+  let mut x340: u32 = 0;
+  let mut x341: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x340, &mut x341, x339, x292, x323);
+  let mut x342: u32 = 0;
+  let mut x343: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x342, &mut x343, x324, 0x5588b13f);
+  let mut x344: u32 = 0;
+  let mut x345: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x344, &mut x345, x342, 0xffffffff);
+  let mut x346: u32 = 0;
+  let mut x347: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x346, &mut x347, x342, 0xffffffff);
+  let mut x348: u32 = 0;
+  let mut x349: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x348, &mut x349, x342, 0xffffffff);
+  let mut x350: u32 = 0;
+  let mut x351: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x350, &mut x351, x342, 0xfffffffe);
+  let mut x352: u32 = 0;
+  let mut x353: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x352, &mut x353, x342, 0xbaaedce6);
+  let mut x354: u32 = 0;
+  let mut x355: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x354, &mut x355, x342, 0xaf48a03b);
+  let mut x356: u32 = 0;
+  let mut x357: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x356, &mut x357, x342, 0xbfd25e8c);
+  let mut x358: u32 = 0;
+  let mut x359: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x358, &mut x359, x342, 0xd0364141);
+  let mut x360: u32 = 0;
+  let mut x361: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x360, &mut x361, 0x0, x359, x356);
+  let mut x362: u32 = 0;
+  let mut x363: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x362, &mut x363, x361, x357, x354);
+  let mut x364: u32 = 0;
+  let mut x365: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x364, &mut x365, x363, x355, x352);
+  let mut x366: u32 = 0;
+  let mut x367: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x366, &mut x367, x365, x353, x350);
+  let mut x368: u32 = 0;
+  let mut x369: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x368, &mut x369, x367, x351, x348);
+  let mut x370: u32 = 0;
+  let mut x371: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x370, &mut x371, x369, x349, x346);
+  let mut x372: u32 = 0;
+  let mut x373: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x372, &mut x373, x371, x347, x344);
+  let x374: u32 = ((x373 as u32) + x345);
+  let mut x375: u32 = 0;
+  let mut x376: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x375, &mut x376, 0x0, x324, x358);
+  let mut x377: u32 = 0;
+  let mut x378: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x377, &mut x378, x376, x326, x360);
+  let mut x379: u32 = 0;
+  let mut x380: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x379, &mut x380, x378, x328, x362);
+  let mut x381: u32 = 0;
+  let mut x382: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x381, &mut x382, x380, x330, x364);
+  let mut x383: u32 = 0;
+  let mut x384: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x383, &mut x384, x382, x332, x366);
+  let mut x385: u32 = 0;
+  let mut x386: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x385, &mut x386, x384, x334, x368);
+  let mut x387: u32 = 0;
+  let mut x388: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x387, &mut x388, x386, x336, x370);
+  let mut x389: u32 = 0;
+  let mut x390: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x389, &mut x390, x388, x338, x372);
+  let mut x391: u32 = 0;
+  let mut x392: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x391, &mut x392, x390, x340, x374);
+  let x393: u32 = ((x392 as u32) + (x341 as u32));
+  let mut x394: u32 = 0;
+  let mut x395: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x394, &mut x395, x4, (arg2[7]));
+  let mut x396: u32 = 0;
+  let mut x397: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x396, &mut x397, x4, (arg2[6]));
+  let mut x398: u32 = 0;
+  let mut x399: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x398, &mut x399, x4, (arg2[5]));
+  let mut x400: u32 = 0;
+  let mut x401: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x400, &mut x401, x4, (arg2[4]));
+  let mut x402: u32 = 0;
+  let mut x403: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x402, &mut x403, x4, (arg2[3]));
+  let mut x404: u32 = 0;
+  let mut x405: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x404, &mut x405, x4, (arg2[2]));
+  let mut x406: u32 = 0;
+  let mut x407: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x406, &mut x407, x4, (arg2[1]));
+  let mut x408: u32 = 0;
+  let mut x409: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x408, &mut x409, x4, (arg2[0]));
+  let mut x410: u32 = 0;
+  let mut x411: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x410, &mut x411, 0x0, x409, x406);
+  let mut x412: u32 = 0;
+  let mut x413: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x412, &mut x413, x411, x407, x404);
+  let mut x414: u32 = 0;
+  let mut x415: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x414, &mut x415, x413, x405, x402);
+  let mut x416: u32 = 0;
+  let mut x417: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x416, &mut x417, x415, x403, x400);
+  let mut x418: u32 = 0;
+  let mut x419: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x418, &mut x419, x417, x401, x398);
+  let mut x420: u32 = 0;
+  let mut x421: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x420, &mut x421, x419, x399, x396);
+  let mut x422: u32 = 0;
+  let mut x423: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x422, &mut x423, x421, x397, x394);
+  let x424: u32 = ((x423 as u32) + x395);
+  let mut x425: u32 = 0;
+  let mut x426: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x425, &mut x426, 0x0, x377, x408);
+  let mut x427: u32 = 0;
+  let mut x428: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x427, &mut x428, x426, x379, x410);
+  let mut x429: u32 = 0;
+  let mut x430: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x429, &mut x430, x428, x381, x412);
+  let mut x431: u32 = 0;
+  let mut x432: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x431, &mut x432, x430, x383, x414);
+  let mut x433: u32 = 0;
+  let mut x434: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x433, &mut x434, x432, x385, x416);
+  let mut x435: u32 = 0;
+  let mut x436: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x435, &mut x436, x434, x387, x418);
+  let mut x437: u32 = 0;
+  let mut x438: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x437, &mut x438, x436, x389, x420);
+  let mut x439: u32 = 0;
+  let mut x440: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x439, &mut x440, x438, x391, x422);
+  let mut x441: u32 = 0;
+  let mut x442: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x441, &mut x442, x440, x393, x424);
+  let mut x443: u32 = 0;
+  let mut x444: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x443, &mut x444, x425, 0x5588b13f);
+  let mut x445: u32 = 0;
+  let mut x446: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x445, &mut x446, x443, 0xffffffff);
+  let mut x447: u32 = 0;
+  let mut x448: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x447, &mut x448, x443, 0xffffffff);
+  let mut x449: u32 = 0;
+  let mut x450: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x449, &mut x450, x443, 0xffffffff);
+  let mut x451: u32 = 0;
+  let mut x452: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x451, &mut x452, x443, 0xfffffffe);
+  let mut x453: u32 = 0;
+  let mut x454: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x453, &mut x454, x443, 0xbaaedce6);
+  let mut x455: u32 = 0;
+  let mut x456: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x455, &mut x456, x443, 0xaf48a03b);
+  let mut x457: u32 = 0;
+  let mut x458: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x457, &mut x458, x443, 0xbfd25e8c);
+  let mut x459: u32 = 0;
+  let mut x460: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x459, &mut x460, x443, 0xd0364141);
+  let mut x461: u32 = 0;
+  let mut x462: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x461, &mut x462, 0x0, x460, x457);
+  let mut x463: u32 = 0;
+  let mut x464: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x463, &mut x464, x462, x458, x455);
+  let mut x465: u32 = 0;
+  let mut x466: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x465, &mut x466, x464, x456, x453);
+  let mut x467: u32 = 0;
+  let mut x468: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x467, &mut x468, x466, x454, x451);
+  let mut x469: u32 = 0;
+  let mut x470: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x469, &mut x470, x468, x452, x449);
+  let mut x471: u32 = 0;
+  let mut x472: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x471, &mut x472, x470, x450, x447);
+  let mut x473: u32 = 0;
+  let mut x474: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x473, &mut x474, x472, x448, x445);
+  let x475: u32 = ((x474 as u32) + x446);
+  let mut x476: u32 = 0;
+  let mut x477: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x476, &mut x477, 0x0, x425, x459);
+  let mut x478: u32 = 0;
+  let mut x479: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x478, &mut x479, x477, x427, x461);
+  let mut x480: u32 = 0;
+  let mut x481: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x480, &mut x481, x479, x429, x463);
+  let mut x482: u32 = 0;
+  let mut x483: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x482, &mut x483, x481, x431, x465);
+  let mut x484: u32 = 0;
+  let mut x485: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x484, &mut x485, x483, x433, x467);
+  let mut x486: u32 = 0;
+  let mut x487: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x486, &mut x487, x485, x435, x469);
+  let mut x488: u32 = 0;
+  let mut x489: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x488, &mut x489, x487, x437, x471);
+  let mut x490: u32 = 0;
+  let mut x491: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x490, &mut x491, x489, x439, x473);
+  let mut x492: u32 = 0;
+  let mut x493: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x492, &mut x493, x491, x441, x475);
+  let x494: u32 = ((x493 as u32) + (x442 as u32));
+  let mut x495: u32 = 0;
+  let mut x496: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x495, &mut x496, x5, (arg2[7]));
+  let mut x497: u32 = 0;
+  let mut x498: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x497, &mut x498, x5, (arg2[6]));
+  let mut x499: u32 = 0;
+  let mut x500: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x499, &mut x500, x5, (arg2[5]));
+  let mut x501: u32 = 0;
+  let mut x502: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x501, &mut x502, x5, (arg2[4]));
+  let mut x503: u32 = 0;
+  let mut x504: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x503, &mut x504, x5, (arg2[3]));
+  let mut x505: u32 = 0;
+  let mut x506: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x505, &mut x506, x5, (arg2[2]));
+  let mut x507: u32 = 0;
+  let mut x508: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x507, &mut x508, x5, (arg2[1]));
+  let mut x509: u32 = 0;
+  let mut x510: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x509, &mut x510, x5, (arg2[0]));
+  let mut x511: u32 = 0;
+  let mut x512: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x511, &mut x512, 0x0, x510, x507);
+  let mut x513: u32 = 0;
+  let mut x514: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x513, &mut x514, x512, x508, x505);
+  let mut x515: u32 = 0;
+  let mut x516: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x515, &mut x516, x514, x506, x503);
+  let mut x517: u32 = 0;
+  let mut x518: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x517, &mut x518, x516, x504, x501);
+  let mut x519: u32 = 0;
+  let mut x520: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x519, &mut x520, x518, x502, x499);
+  let mut x521: u32 = 0;
+  let mut x522: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x521, &mut x522, x520, x500, x497);
+  let mut x523: u32 = 0;
+  let mut x524: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x523, &mut x524, x522, x498, x495);
+  let x525: u32 = ((x524 as u32) + x496);
+  let mut x526: u32 = 0;
+  let mut x527: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x526, &mut x527, 0x0, x478, x509);
+  let mut x528: u32 = 0;
+  let mut x529: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x528, &mut x529, x527, x480, x511);
+  let mut x530: u32 = 0;
+  let mut x531: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x530, &mut x531, x529, x482, x513);
+  let mut x532: u32 = 0;
+  let mut x533: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x532, &mut x533, x531, x484, x515);
+  let mut x534: u32 = 0;
+  let mut x535: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x534, &mut x535, x533, x486, x517);
+  let mut x536: u32 = 0;
+  let mut x537: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x536, &mut x537, x535, x488, x519);
+  let mut x538: u32 = 0;
+  let mut x539: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x538, &mut x539, x537, x490, x521);
+  let mut x540: u32 = 0;
+  let mut x541: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x540, &mut x541, x539, x492, x523);
+  let mut x542: u32 = 0;
+  let mut x543: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x542, &mut x543, x541, x494, x525);
+  let mut x544: u32 = 0;
+  let mut x545: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x544, &mut x545, x526, 0x5588b13f);
+  let mut x546: u32 = 0;
+  let mut x547: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x546, &mut x547, x544, 0xffffffff);
+  let mut x548: u32 = 0;
+  let mut x549: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x548, &mut x549, x544, 0xffffffff);
+  let mut x550: u32 = 0;
+  let mut x551: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x550, &mut x551, x544, 0xffffffff);
+  let mut x552: u32 = 0;
+  let mut x553: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x552, &mut x553, x544, 0xfffffffe);
+  let mut x554: u32 = 0;
+  let mut x555: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x554, &mut x555, x544, 0xbaaedce6);
+  let mut x556: u32 = 0;
+  let mut x557: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x556, &mut x557, x544, 0xaf48a03b);
+  let mut x558: u32 = 0;
+  let mut x559: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x558, &mut x559, x544, 0xbfd25e8c);
+  let mut x560: u32 = 0;
+  let mut x561: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x560, &mut x561, x544, 0xd0364141);
+  let mut x562: u32 = 0;
+  let mut x563: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x562, &mut x563, 0x0, x561, x558);
+  let mut x564: u32 = 0;
+  let mut x565: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x564, &mut x565, x563, x559, x556);
+  let mut x566: u32 = 0;
+  let mut x567: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x566, &mut x567, x565, x557, x554);
+  let mut x568: u32 = 0;
+  let mut x569: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x568, &mut x569, x567, x555, x552);
+  let mut x570: u32 = 0;
+  let mut x571: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x570, &mut x571, x569, x553, x550);
+  let mut x572: u32 = 0;
+  let mut x573: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x572, &mut x573, x571, x551, x548);
+  let mut x574: u32 = 0;
+  let mut x575: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x574, &mut x575, x573, x549, x546);
+  let x576: u32 = ((x575 as u32) + x547);
+  let mut x577: u32 = 0;
+  let mut x578: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x577, &mut x578, 0x0, x526, x560);
+  let mut x579: u32 = 0;
+  let mut x580: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x579, &mut x580, x578, x528, x562);
+  let mut x581: u32 = 0;
+  let mut x582: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x581, &mut x582, x580, x530, x564);
+  let mut x583: u32 = 0;
+  let mut x584: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x583, &mut x584, x582, x532, x566);
+  let mut x585: u32 = 0;
+  let mut x586: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x585, &mut x586, x584, x534, x568);
+  let mut x587: u32 = 0;
+  let mut x588: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x587, &mut x588, x586, x536, x570);
+  let mut x589: u32 = 0;
+  let mut x590: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x589, &mut x590, x588, x538, x572);
+  let mut x591: u32 = 0;
+  let mut x592: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x591, &mut x592, x590, x540, x574);
+  let mut x593: u32 = 0;
+  let mut x594: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x593, &mut x594, x592, x542, x576);
+  let x595: u32 = ((x594 as u32) + (x543 as u32));
+  let mut x596: u32 = 0;
+  let mut x597: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x596, &mut x597, x6, (arg2[7]));
+  let mut x598: u32 = 0;
+  let mut x599: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x598, &mut x599, x6, (arg2[6]));
+  let mut x600: u32 = 0;
+  let mut x601: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x600, &mut x601, x6, (arg2[5]));
+  let mut x602: u32 = 0;
+  let mut x603: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x602, &mut x603, x6, (arg2[4]));
+  let mut x604: u32 = 0;
+  let mut x605: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x604, &mut x605, x6, (arg2[3]));
+  let mut x606: u32 = 0;
+  let mut x607: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x606, &mut x607, x6, (arg2[2]));
+  let mut x608: u32 = 0;
+  let mut x609: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x608, &mut x609, x6, (arg2[1]));
+  let mut x610: u32 = 0;
+  let mut x611: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x610, &mut x611, x6, (arg2[0]));
+  let mut x612: u32 = 0;
+  let mut x613: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x612, &mut x613, 0x0, x611, x608);
+  let mut x614: u32 = 0;
+  let mut x615: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x614, &mut x615, x613, x609, x606);
+  let mut x616: u32 = 0;
+  let mut x617: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x616, &mut x617, x615, x607, x604);
+  let mut x618: u32 = 0;
+  let mut x619: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x618, &mut x619, x617, x605, x602);
+  let mut x620: u32 = 0;
+  let mut x621: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x620, &mut x621, x619, x603, x600);
+  let mut x622: u32 = 0;
+  let mut x623: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x622, &mut x623, x621, x601, x598);
+  let mut x624: u32 = 0;
+  let mut x625: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x624, &mut x625, x623, x599, x596);
+  let x626: u32 = ((x625 as u32) + x597);
+  let mut x627: u32 = 0;
+  let mut x628: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x627, &mut x628, 0x0, x579, x610);
+  let mut x629: u32 = 0;
+  let mut x630: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x629, &mut x630, x628, x581, x612);
+  let mut x631: u32 = 0;
+  let mut x632: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x631, &mut x632, x630, x583, x614);
+  let mut x633: u32 = 0;
+  let mut x634: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x633, &mut x634, x632, x585, x616);
+  let mut x635: u32 = 0;
+  let mut x636: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x635, &mut x636, x634, x587, x618);
+  let mut x637: u32 = 0;
+  let mut x638: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x637, &mut x638, x636, x589, x620);
+  let mut x639: u32 = 0;
+  let mut x640: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x639, &mut x640, x638, x591, x622);
+  let mut x641: u32 = 0;
+  let mut x642: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x641, &mut x642, x640, x593, x624);
+  let mut x643: u32 = 0;
+  let mut x644: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x643, &mut x644, x642, x595, x626);
+  let mut x645: u32 = 0;
+  let mut x646: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x645, &mut x646, x627, 0x5588b13f);
+  let mut x647: u32 = 0;
+  let mut x648: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x647, &mut x648, x645, 0xffffffff);
+  let mut x649: u32 = 0;
+  let mut x650: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x649, &mut x650, x645, 0xffffffff);
+  let mut x651: u32 = 0;
+  let mut x652: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x651, &mut x652, x645, 0xffffffff);
+  let mut x653: u32 = 0;
+  let mut x654: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x653, &mut x654, x645, 0xfffffffe);
+  let mut x655: u32 = 0;
+  let mut x656: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x655, &mut x656, x645, 0xbaaedce6);
+  let mut x657: u32 = 0;
+  let mut x658: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x657, &mut x658, x645, 0xaf48a03b);
+  let mut x659: u32 = 0;
+  let mut x660: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x659, &mut x660, x645, 0xbfd25e8c);
+  let mut x661: u32 = 0;
+  let mut x662: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x661, &mut x662, x645, 0xd0364141);
+  let mut x663: u32 = 0;
+  let mut x664: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x663, &mut x664, 0x0, x662, x659);
+  let mut x665: u32 = 0;
+  let mut x666: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x665, &mut x666, x664, x660, x657);
+  let mut x667: u32 = 0;
+  let mut x668: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x667, &mut x668, x666, x658, x655);
+  let mut x669: u32 = 0;
+  let mut x670: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x669, &mut x670, x668, x656, x653);
+  let mut x671: u32 = 0;
+  let mut x672: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x671, &mut x672, x670, x654, x651);
+  let mut x673: u32 = 0;
+  let mut x674: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x673, &mut x674, x672, x652, x649);
+  let mut x675: u32 = 0;
+  let mut x676: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x675, &mut x676, x674, x650, x647);
+  let x677: u32 = ((x676 as u32) + x648);
+  let mut x678: u32 = 0;
+  let mut x679: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x678, &mut x679, 0x0, x627, x661);
+  let mut x680: u32 = 0;
+  let mut x681: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x680, &mut x681, x679, x629, x663);
+  let mut x682: u32 = 0;
+  let mut x683: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x682, &mut x683, x681, x631, x665);
+  let mut x684: u32 = 0;
+  let mut x685: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x684, &mut x685, x683, x633, x667);
+  let mut x686: u32 = 0;
+  let mut x687: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x686, &mut x687, x685, x635, x669);
+  let mut x688: u32 = 0;
+  let mut x689: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x688, &mut x689, x687, x637, x671);
+  let mut x690: u32 = 0;
+  let mut x691: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x690, &mut x691, x689, x639, x673);
+  let mut x692: u32 = 0;
+  let mut x693: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x692, &mut x693, x691, x641, x675);
+  let mut x694: u32 = 0;
+  let mut x695: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x694, &mut x695, x693, x643, x677);
+  let x696: u32 = ((x695 as u32) + (x644 as u32));
+  let mut x697: u32 = 0;
+  let mut x698: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x697, &mut x698, x7, (arg2[7]));
+  let mut x699: u32 = 0;
+  let mut x700: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x699, &mut x700, x7, (arg2[6]));
+  let mut x701: u32 = 0;
+  let mut x702: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x701, &mut x702, x7, (arg2[5]));
+  let mut x703: u32 = 0;
+  let mut x704: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x703, &mut x704, x7, (arg2[4]));
+  let mut x705: u32 = 0;
+  let mut x706: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x705, &mut x706, x7, (arg2[3]));
+  let mut x707: u32 = 0;
+  let mut x708: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x707, &mut x708, x7, (arg2[2]));
+  let mut x709: u32 = 0;
+  let mut x710: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x709, &mut x710, x7, (arg2[1]));
+  let mut x711: u32 = 0;
+  let mut x712: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x711, &mut x712, x7, (arg2[0]));
+  let mut x713: u32 = 0;
+  let mut x714: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x713, &mut x714, 0x0, x712, x709);
+  let mut x715: u32 = 0;
+  let mut x716: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x715, &mut x716, x714, x710, x707);
+  let mut x717: u32 = 0;
+  let mut x718: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x717, &mut x718, x716, x708, x705);
+  let mut x719: u32 = 0;
+  let mut x720: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x719, &mut x720, x718, x706, x703);
+  let mut x721: u32 = 0;
+  let mut x722: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x721, &mut x722, x720, x704, x701);
+  let mut x723: u32 = 0;
+  let mut x724: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x723, &mut x724, x722, x702, x699);
+  let mut x725: u32 = 0;
+  let mut x726: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x725, &mut x726, x724, x700, x697);
+  let x727: u32 = ((x726 as u32) + x698);
+  let mut x728: u32 = 0;
+  let mut x729: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x728, &mut x729, 0x0, x680, x711);
+  let mut x730: u32 = 0;
+  let mut x731: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x730, &mut x731, x729, x682, x713);
+  let mut x732: u32 = 0;
+  let mut x733: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x732, &mut x733, x731, x684, x715);
+  let mut x734: u32 = 0;
+  let mut x735: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x734, &mut x735, x733, x686, x717);
+  let mut x736: u32 = 0;
+  let mut x737: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x736, &mut x737, x735, x688, x719);
+  let mut x738: u32 = 0;
+  let mut x739: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x738, &mut x739, x737, x690, x721);
+  let mut x740: u32 = 0;
+  let mut x741: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x740, &mut x741, x739, x692, x723);
+  let mut x742: u32 = 0;
+  let mut x743: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x742, &mut x743, x741, x694, x725);
+  let mut x744: u32 = 0;
+  let mut x745: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x744, &mut x745, x743, x696, x727);
+  let mut x746: u32 = 0;
+  let mut x747: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x746, &mut x747, x728, 0x5588b13f);
+  let mut x748: u32 = 0;
+  let mut x749: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x748, &mut x749, x746, 0xffffffff);
+  let mut x750: u32 = 0;
+  let mut x751: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x750, &mut x751, x746, 0xffffffff);
+  let mut x752: u32 = 0;
+  let mut x753: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x752, &mut x753, x746, 0xffffffff);
+  let mut x754: u32 = 0;
+  let mut x755: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x754, &mut x755, x746, 0xfffffffe);
+  let mut x756: u32 = 0;
+  let mut x757: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x756, &mut x757, x746, 0xbaaedce6);
+  let mut x758: u32 = 0;
+  let mut x759: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x758, &mut x759, x746, 0xaf48a03b);
+  let mut x760: u32 = 0;
+  let mut x761: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x760, &mut x761, x746, 0xbfd25e8c);
+  let mut x762: u32 = 0;
+  let mut x763: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x762, &mut x763, x746, 0xd0364141);
+  let mut x764: u32 = 0;
+  let mut x765: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x764, &mut x765, 0x0, x763, x760);
+  let mut x766: u32 = 0;
+  let mut x767: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x766, &mut x767, x765, x761, x758);
+  let mut x768: u32 = 0;
+  let mut x769: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x768, &mut x769, x767, x759, x756);
+  let mut x770: u32 = 0;
+  let mut x771: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x770, &mut x771, x769, x757, x754);
+  let mut x772: u32 = 0;
+  let mut x773: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x772, &mut x773, x771, x755, x752);
+  let mut x774: u32 = 0;
+  let mut x775: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x774, &mut x775, x773, x753, x750);
+  let mut x776: u32 = 0;
+  let mut x777: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x776, &mut x777, x775, x751, x748);
+  let x778: u32 = ((x777 as u32) + x749);
+  let mut x779: u32 = 0;
+  let mut x780: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x779, &mut x780, 0x0, x728, x762);
+  let mut x781: u32 = 0;
+  let mut x782: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x781, &mut x782, x780, x730, x764);
+  let mut x783: u32 = 0;
+  let mut x784: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x783, &mut x784, x782, x732, x766);
+  let mut x785: u32 = 0;
+  let mut x786: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x785, &mut x786, x784, x734, x768);
+  let mut x787: u32 = 0;
+  let mut x788: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x787, &mut x788, x786, x736, x770);
+  let mut x789: u32 = 0;
+  let mut x790: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x789, &mut x790, x788, x738, x772);
+  let mut x791: u32 = 0;
+  let mut x792: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x791, &mut x792, x790, x740, x774);
+  let mut x793: u32 = 0;
+  let mut x794: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x793, &mut x794, x792, x742, x776);
+  let mut x795: u32 = 0;
+  let mut x796: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x795, &mut x796, x794, x744, x778);
+  let x797: u32 = ((x796 as u32) + (x745 as u32));
+  let mut x798: u32 = 0;
+  let mut x799: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x798, &mut x799, 0x0, x781, 0xd0364141);
+  let mut x800: u32 = 0;
+  let mut x801: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x800, &mut x801, x799, x783, 0xbfd25e8c);
+  let mut x802: u32 = 0;
+  let mut x803: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x802, &mut x803, x801, x785, 0xaf48a03b);
+  let mut x804: u32 = 0;
+  let mut x805: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x804, &mut x805, x803, x787, 0xbaaedce6);
+  let mut x806: u32 = 0;
+  let mut x807: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x806, &mut x807, x805, x789, 0xfffffffe);
+  let mut x808: u32 = 0;
+  let mut x809: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x808, &mut x809, x807, x791, 0xffffffff);
+  let mut x810: u32 = 0;
+  let mut x811: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x810, &mut x811, x809, x793, 0xffffffff);
+  let mut x812: u32 = 0;
+  let mut x813: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x812, &mut x813, x811, x795, 0xffffffff);
+  let mut x814: u32 = 0;
+  let mut x815: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x814, &mut x815, x813, x797, (0x0 as u32));
+  let mut x816: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x816, x815, x798, x781);
+  let mut x817: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x817, x815, x800, x783);
+  let mut x818: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x818, x815, x802, x785);
+  let mut x819: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x819, x815, x804, x787);
+  let mut x820: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x820, x815, x806, x789);
+  let mut x821: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x821, x815, x808, x791);
+  let mut x822: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x822, x815, x810, x793);
+  let mut x823: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x823, x815, x812, x795);
+  out1[0] = x816;
+  out1[1] = x817;
+  out1[2] = x818;
+  out1[3] = x819;
+  out1[4] = x820;
+  out1[5] = x821;
+  out1[6] = x822;
+  out1[7] = x823;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_square squares a field element in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg1)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_square(out1: &mut fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element) -> () {
+  let x1: u32 = (arg1[1]);
+  let x2: u32 = (arg1[2]);
+  let x3: u32 = (arg1[3]);
+  let x4: u32 = (arg1[4]);
+  let x5: u32 = (arg1[5]);
+  let x6: u32 = (arg1[6]);
+  let x7: u32 = (arg1[7]);
+  let x8: u32 = (arg1[0]);
+  let mut x9: u32 = 0;
+  let mut x10: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x9, &mut x10, x8, (arg1[7]));
+  let mut x11: u32 = 0;
+  let mut x12: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x11, &mut x12, x8, (arg1[6]));
+  let mut x13: u32 = 0;
+  let mut x14: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x13, &mut x14, x8, (arg1[5]));
+  let mut x15: u32 = 0;
+  let mut x16: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x15, &mut x16, x8, (arg1[4]));
+  let mut x17: u32 = 0;
+  let mut x18: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x17, &mut x18, x8, (arg1[3]));
+  let mut x19: u32 = 0;
+  let mut x20: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x19, &mut x20, x8, (arg1[2]));
+  let mut x21: u32 = 0;
+  let mut x22: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x21, &mut x22, x8, (arg1[1]));
+  let mut x23: u32 = 0;
+  let mut x24: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x23, &mut x24, x8, (arg1[0]));
+  let mut x25: u32 = 0;
+  let mut x26: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x25, &mut x26, 0x0, x24, x21);
+  let mut x27: u32 = 0;
+  let mut x28: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x27, &mut x28, x26, x22, x19);
+  let mut x29: u32 = 0;
+  let mut x30: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x29, &mut x30, x28, x20, x17);
+  let mut x31: u32 = 0;
+  let mut x32: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x31, &mut x32, x30, x18, x15);
+  let mut x33: u32 = 0;
+  let mut x34: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x33, &mut x34, x32, x16, x13);
+  let mut x35: u32 = 0;
+  let mut x36: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x35, &mut x36, x34, x14, x11);
+  let mut x37: u32 = 0;
+  let mut x38: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x37, &mut x38, x36, x12, x9);
+  let x39: u32 = ((x38 as u32) + x10);
+  let mut x40: u32 = 0;
+  let mut x41: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x40, &mut x41, x23, 0x5588b13f);
+  let mut x42: u32 = 0;
+  let mut x43: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x42, &mut x43, x40, 0xffffffff);
+  let mut x44: u32 = 0;
+  let mut x45: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x44, &mut x45, x40, 0xffffffff);
+  let mut x46: u32 = 0;
+  let mut x47: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x46, &mut x47, x40, 0xffffffff);
+  let mut x48: u32 = 0;
+  let mut x49: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x48, &mut x49, x40, 0xfffffffe);
+  let mut x50: u32 = 0;
+  let mut x51: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x50, &mut x51, x40, 0xbaaedce6);
+  let mut x52: u32 = 0;
+  let mut x53: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x52, &mut x53, x40, 0xaf48a03b);
+  let mut x54: u32 = 0;
+  let mut x55: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x54, &mut x55, x40, 0xbfd25e8c);
+  let mut x56: u32 = 0;
+  let mut x57: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x56, &mut x57, x40, 0xd0364141);
+  let mut x58: u32 = 0;
+  let mut x59: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x58, &mut x59, 0x0, x57, x54);
+  let mut x60: u32 = 0;
+  let mut x61: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x60, &mut x61, x59, x55, x52);
+  let mut x62: u32 = 0;
+  let mut x63: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x62, &mut x63, x61, x53, x50);
+  let mut x64: u32 = 0;
+  let mut x65: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x64, &mut x65, x63, x51, x48);
+  let mut x66: u32 = 0;
+  let mut x67: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x66, &mut x67, x65, x49, x46);
+  let mut x68: u32 = 0;
+  let mut x69: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x68, &mut x69, x67, x47, x44);
+  let mut x70: u32 = 0;
+  let mut x71: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x70, &mut x71, x69, x45, x42);
+  let x72: u32 = ((x71 as u32) + x43);
+  let mut x73: u32 = 0;
+  let mut x74: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x73, &mut x74, 0x0, x23, x56);
+  let mut x75: u32 = 0;
+  let mut x76: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x75, &mut x76, x74, x25, x58);
+  let mut x77: u32 = 0;
+  let mut x78: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x77, &mut x78, x76, x27, x60);
+  let mut x79: u32 = 0;
+  let mut x80: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x79, &mut x80, x78, x29, x62);
+  let mut x81: u32 = 0;
+  let mut x82: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x81, &mut x82, x80, x31, x64);
+  let mut x83: u32 = 0;
+  let mut x84: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x83, &mut x84, x82, x33, x66);
+  let mut x85: u32 = 0;
+  let mut x86: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x85, &mut x86, x84, x35, x68);
+  let mut x87: u32 = 0;
+  let mut x88: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x87, &mut x88, x86, x37, x70);
+  let mut x89: u32 = 0;
+  let mut x90: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x89, &mut x90, x88, x39, x72);
+  let mut x91: u32 = 0;
+  let mut x92: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x91, &mut x92, x1, (arg1[7]));
+  let mut x93: u32 = 0;
+  let mut x94: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x93, &mut x94, x1, (arg1[6]));
+  let mut x95: u32 = 0;
+  let mut x96: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x95, &mut x96, x1, (arg1[5]));
+  let mut x97: u32 = 0;
+  let mut x98: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x97, &mut x98, x1, (arg1[4]));
+  let mut x99: u32 = 0;
+  let mut x100: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x99, &mut x100, x1, (arg1[3]));
+  let mut x101: u32 = 0;
+  let mut x102: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x101, &mut x102, x1, (arg1[2]));
+  let mut x103: u32 = 0;
+  let mut x104: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x103, &mut x104, x1, (arg1[1]));
+  let mut x105: u32 = 0;
+  let mut x106: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x105, &mut x106, x1, (arg1[0]));
+  let mut x107: u32 = 0;
+  let mut x108: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x107, &mut x108, 0x0, x106, x103);
+  let mut x109: u32 = 0;
+  let mut x110: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x109, &mut x110, x108, x104, x101);
+  let mut x111: u32 = 0;
+  let mut x112: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x111, &mut x112, x110, x102, x99);
+  let mut x113: u32 = 0;
+  let mut x114: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x113, &mut x114, x112, x100, x97);
+  let mut x115: u32 = 0;
+  let mut x116: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x115, &mut x116, x114, x98, x95);
+  let mut x117: u32 = 0;
+  let mut x118: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x117, &mut x118, x116, x96, x93);
+  let mut x119: u32 = 0;
+  let mut x120: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x119, &mut x120, x118, x94, x91);
+  let x121: u32 = ((x120 as u32) + x92);
+  let mut x122: u32 = 0;
+  let mut x123: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x122, &mut x123, 0x0, x75, x105);
+  let mut x124: u32 = 0;
+  let mut x125: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x124, &mut x125, x123, x77, x107);
+  let mut x126: u32 = 0;
+  let mut x127: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x126, &mut x127, x125, x79, x109);
+  let mut x128: u32 = 0;
+  let mut x129: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x128, &mut x129, x127, x81, x111);
+  let mut x130: u32 = 0;
+  let mut x131: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x130, &mut x131, x129, x83, x113);
+  let mut x132: u32 = 0;
+  let mut x133: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x132, &mut x133, x131, x85, x115);
+  let mut x134: u32 = 0;
+  let mut x135: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x134, &mut x135, x133, x87, x117);
+  let mut x136: u32 = 0;
+  let mut x137: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x136, &mut x137, x135, x89, x119);
+  let mut x138: u32 = 0;
+  let mut x139: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x138, &mut x139, x137, (x90 as u32), x121);
+  let mut x140: u32 = 0;
+  let mut x141: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x140, &mut x141, x122, 0x5588b13f);
+  let mut x142: u32 = 0;
+  let mut x143: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x142, &mut x143, x140, 0xffffffff);
+  let mut x144: u32 = 0;
+  let mut x145: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x144, &mut x145, x140, 0xffffffff);
+  let mut x146: u32 = 0;
+  let mut x147: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x146, &mut x147, x140, 0xffffffff);
+  let mut x148: u32 = 0;
+  let mut x149: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x148, &mut x149, x140, 0xfffffffe);
+  let mut x150: u32 = 0;
+  let mut x151: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x150, &mut x151, x140, 0xbaaedce6);
+  let mut x152: u32 = 0;
+  let mut x153: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x152, &mut x153, x140, 0xaf48a03b);
+  let mut x154: u32 = 0;
+  let mut x155: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x154, &mut x155, x140, 0xbfd25e8c);
+  let mut x156: u32 = 0;
+  let mut x157: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x156, &mut x157, x140, 0xd0364141);
+  let mut x158: u32 = 0;
+  let mut x159: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x158, &mut x159, 0x0, x157, x154);
+  let mut x160: u32 = 0;
+  let mut x161: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x160, &mut x161, x159, x155, x152);
+  let mut x162: u32 = 0;
+  let mut x163: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x162, &mut x163, x161, x153, x150);
+  let mut x164: u32 = 0;
+  let mut x165: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x164, &mut x165, x163, x151, x148);
+  let mut x166: u32 = 0;
+  let mut x167: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x166, &mut x167, x165, x149, x146);
+  let mut x168: u32 = 0;
+  let mut x169: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x168, &mut x169, x167, x147, x144);
+  let mut x170: u32 = 0;
+  let mut x171: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x170, &mut x171, x169, x145, x142);
+  let x172: u32 = ((x171 as u32) + x143);
+  let mut x173: u32 = 0;
+  let mut x174: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x173, &mut x174, 0x0, x122, x156);
+  let mut x175: u32 = 0;
+  let mut x176: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x175, &mut x176, x174, x124, x158);
+  let mut x177: u32 = 0;
+  let mut x178: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x177, &mut x178, x176, x126, x160);
+  let mut x179: u32 = 0;
+  let mut x180: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x179, &mut x180, x178, x128, x162);
+  let mut x181: u32 = 0;
+  let mut x182: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x181, &mut x182, x180, x130, x164);
+  let mut x183: u32 = 0;
+  let mut x184: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x183, &mut x184, x182, x132, x166);
+  let mut x185: u32 = 0;
+  let mut x186: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x185, &mut x186, x184, x134, x168);
+  let mut x187: u32 = 0;
+  let mut x188: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x187, &mut x188, x186, x136, x170);
+  let mut x189: u32 = 0;
+  let mut x190: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x189, &mut x190, x188, x138, x172);
+  let x191: u32 = ((x190 as u32) + (x139 as u32));
+  let mut x192: u32 = 0;
+  let mut x193: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x192, &mut x193, x2, (arg1[7]));
+  let mut x194: u32 = 0;
+  let mut x195: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x194, &mut x195, x2, (arg1[6]));
+  let mut x196: u32 = 0;
+  let mut x197: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x196, &mut x197, x2, (arg1[5]));
+  let mut x198: u32 = 0;
+  let mut x199: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x198, &mut x199, x2, (arg1[4]));
+  let mut x200: u32 = 0;
+  let mut x201: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x200, &mut x201, x2, (arg1[3]));
+  let mut x202: u32 = 0;
+  let mut x203: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x202, &mut x203, x2, (arg1[2]));
+  let mut x204: u32 = 0;
+  let mut x205: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x204, &mut x205, x2, (arg1[1]));
+  let mut x206: u32 = 0;
+  let mut x207: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x206, &mut x207, x2, (arg1[0]));
+  let mut x208: u32 = 0;
+  let mut x209: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x208, &mut x209, 0x0, x207, x204);
+  let mut x210: u32 = 0;
+  let mut x211: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x210, &mut x211, x209, x205, x202);
+  let mut x212: u32 = 0;
+  let mut x213: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x212, &mut x213, x211, x203, x200);
+  let mut x214: u32 = 0;
+  let mut x215: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x214, &mut x215, x213, x201, x198);
+  let mut x216: u32 = 0;
+  let mut x217: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x216, &mut x217, x215, x199, x196);
+  let mut x218: u32 = 0;
+  let mut x219: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x218, &mut x219, x217, x197, x194);
+  let mut x220: u32 = 0;
+  let mut x221: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x220, &mut x221, x219, x195, x192);
+  let x222: u32 = ((x221 as u32) + x193);
+  let mut x223: u32 = 0;
+  let mut x224: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x223, &mut x224, 0x0, x175, x206);
+  let mut x225: u32 = 0;
+  let mut x226: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x225, &mut x226, x224, x177, x208);
+  let mut x227: u32 = 0;
+  let mut x228: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x227, &mut x228, x226, x179, x210);
+  let mut x229: u32 = 0;
+  let mut x230: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x229, &mut x230, x228, x181, x212);
+  let mut x231: u32 = 0;
+  let mut x232: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x231, &mut x232, x230, x183, x214);
+  let mut x233: u32 = 0;
+  let mut x234: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x233, &mut x234, x232, x185, x216);
+  let mut x235: u32 = 0;
+  let mut x236: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x235, &mut x236, x234, x187, x218);
+  let mut x237: u32 = 0;
+  let mut x238: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x237, &mut x238, x236, x189, x220);
+  let mut x239: u32 = 0;
+  let mut x240: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x239, &mut x240, x238, x191, x222);
+  let mut x241: u32 = 0;
+  let mut x242: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x241, &mut x242, x223, 0x5588b13f);
+  let mut x243: u32 = 0;
+  let mut x244: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x243, &mut x244, x241, 0xffffffff);
+  let mut x245: u32 = 0;
+  let mut x246: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x245, &mut x246, x241, 0xffffffff);
+  let mut x247: u32 = 0;
+  let mut x248: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x247, &mut x248, x241, 0xffffffff);
+  let mut x249: u32 = 0;
+  let mut x250: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x249, &mut x250, x241, 0xfffffffe);
+  let mut x251: u32 = 0;
+  let mut x252: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x251, &mut x252, x241, 0xbaaedce6);
+  let mut x253: u32 = 0;
+  let mut x254: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x253, &mut x254, x241, 0xaf48a03b);
+  let mut x255: u32 = 0;
+  let mut x256: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x255, &mut x256, x241, 0xbfd25e8c);
+  let mut x257: u32 = 0;
+  let mut x258: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x257, &mut x258, x241, 0xd0364141);
+  let mut x259: u32 = 0;
+  let mut x260: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x259, &mut x260, 0x0, x258, x255);
+  let mut x261: u32 = 0;
+  let mut x262: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x261, &mut x262, x260, x256, x253);
+  let mut x263: u32 = 0;
+  let mut x264: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x263, &mut x264, x262, x254, x251);
+  let mut x265: u32 = 0;
+  let mut x266: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x265, &mut x266, x264, x252, x249);
+  let mut x267: u32 = 0;
+  let mut x268: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x267, &mut x268, x266, x250, x247);
+  let mut x269: u32 = 0;
+  let mut x270: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x269, &mut x270, x268, x248, x245);
+  let mut x271: u32 = 0;
+  let mut x272: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x271, &mut x272, x270, x246, x243);
+  let x273: u32 = ((x272 as u32) + x244);
+  let mut x274: u32 = 0;
+  let mut x275: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x274, &mut x275, 0x0, x223, x257);
+  let mut x276: u32 = 0;
+  let mut x277: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x276, &mut x277, x275, x225, x259);
+  let mut x278: u32 = 0;
+  let mut x279: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x278, &mut x279, x277, x227, x261);
+  let mut x280: u32 = 0;
+  let mut x281: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x280, &mut x281, x279, x229, x263);
+  let mut x282: u32 = 0;
+  let mut x283: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x282, &mut x283, x281, x231, x265);
+  let mut x284: u32 = 0;
+  let mut x285: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x284, &mut x285, x283, x233, x267);
+  let mut x286: u32 = 0;
+  let mut x287: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x286, &mut x287, x285, x235, x269);
+  let mut x288: u32 = 0;
+  let mut x289: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x288, &mut x289, x287, x237, x271);
+  let mut x290: u32 = 0;
+  let mut x291: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x290, &mut x291, x289, x239, x273);
+  let x292: u32 = ((x291 as u32) + (x240 as u32));
+  let mut x293: u32 = 0;
+  let mut x294: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x293, &mut x294, x3, (arg1[7]));
+  let mut x295: u32 = 0;
+  let mut x296: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x295, &mut x296, x3, (arg1[6]));
+  let mut x297: u32 = 0;
+  let mut x298: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x297, &mut x298, x3, (arg1[5]));
+  let mut x299: u32 = 0;
+  let mut x300: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x299, &mut x300, x3, (arg1[4]));
+  let mut x301: u32 = 0;
+  let mut x302: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x301, &mut x302, x3, (arg1[3]));
+  let mut x303: u32 = 0;
+  let mut x304: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x303, &mut x304, x3, (arg1[2]));
+  let mut x305: u32 = 0;
+  let mut x306: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x305, &mut x306, x3, (arg1[1]));
+  let mut x307: u32 = 0;
+  let mut x308: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x307, &mut x308, x3, (arg1[0]));
+  let mut x309: u32 = 0;
+  let mut x310: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x309, &mut x310, 0x0, x308, x305);
+  let mut x311: u32 = 0;
+  let mut x312: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x311, &mut x312, x310, x306, x303);
+  let mut x313: u32 = 0;
+  let mut x314: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x313, &mut x314, x312, x304, x301);
+  let mut x315: u32 = 0;
+  let mut x316: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x315, &mut x316, x314, x302, x299);
+  let mut x317: u32 = 0;
+  let mut x318: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x317, &mut x318, x316, x300, x297);
+  let mut x319: u32 = 0;
+  let mut x320: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x319, &mut x320, x318, x298, x295);
+  let mut x321: u32 = 0;
+  let mut x322: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x321, &mut x322, x320, x296, x293);
+  let x323: u32 = ((x322 as u32) + x294);
+  let mut x324: u32 = 0;
+  let mut x325: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x324, &mut x325, 0x0, x276, x307);
+  let mut x326: u32 = 0;
+  let mut x327: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x326, &mut x327, x325, x278, x309);
+  let mut x328: u32 = 0;
+  let mut x329: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x328, &mut x329, x327, x280, x311);
+  let mut x330: u32 = 0;
+  let mut x331: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x330, &mut x331, x329, x282, x313);
+  let mut x332: u32 = 0;
+  let mut x333: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x332, &mut x333, x331, x284, x315);
+  let mut x334: u32 = 0;
+  let mut x335: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x334, &mut x335, x333, x286, x317);
+  let mut x336: u32 = 0;
+  let mut x337: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x336, &mut x337, x335, x288, x319);
+  let mut x338: u32 = 0;
+  let mut x339: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x338, &mut x339, x337, x290, x321);
+  let mut x340: u32 = 0;
+  let mut x341: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x340, &mut x341, x339, x292, x323);
+  let mut x342: u32 = 0;
+  let mut x343: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x342, &mut x343, x324, 0x5588b13f);
+  let mut x344: u32 = 0;
+  let mut x345: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x344, &mut x345, x342, 0xffffffff);
+  let mut x346: u32 = 0;
+  let mut x347: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x346, &mut x347, x342, 0xffffffff);
+  let mut x348: u32 = 0;
+  let mut x349: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x348, &mut x349, x342, 0xffffffff);
+  let mut x350: u32 = 0;
+  let mut x351: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x350, &mut x351, x342, 0xfffffffe);
+  let mut x352: u32 = 0;
+  let mut x353: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x352, &mut x353, x342, 0xbaaedce6);
+  let mut x354: u32 = 0;
+  let mut x355: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x354, &mut x355, x342, 0xaf48a03b);
+  let mut x356: u32 = 0;
+  let mut x357: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x356, &mut x357, x342, 0xbfd25e8c);
+  let mut x358: u32 = 0;
+  let mut x359: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x358, &mut x359, x342, 0xd0364141);
+  let mut x360: u32 = 0;
+  let mut x361: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x360, &mut x361, 0x0, x359, x356);
+  let mut x362: u32 = 0;
+  let mut x363: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x362, &mut x363, x361, x357, x354);
+  let mut x364: u32 = 0;
+  let mut x365: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x364, &mut x365, x363, x355, x352);
+  let mut x366: u32 = 0;
+  let mut x367: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x366, &mut x367, x365, x353, x350);
+  let mut x368: u32 = 0;
+  let mut x369: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x368, &mut x369, x367, x351, x348);
+  let mut x370: u32 = 0;
+  let mut x371: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x370, &mut x371, x369, x349, x346);
+  let mut x372: u32 = 0;
+  let mut x373: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x372, &mut x373, x371, x347, x344);
+  let x374: u32 = ((x373 as u32) + x345);
+  let mut x375: u32 = 0;
+  let mut x376: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x375, &mut x376, 0x0, x324, x358);
+  let mut x377: u32 = 0;
+  let mut x378: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x377, &mut x378, x376, x326, x360);
+  let mut x379: u32 = 0;
+  let mut x380: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x379, &mut x380, x378, x328, x362);
+  let mut x381: u32 = 0;
+  let mut x382: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x381, &mut x382, x380, x330, x364);
+  let mut x383: u32 = 0;
+  let mut x384: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x383, &mut x384, x382, x332, x366);
+  let mut x385: u32 = 0;
+  let mut x386: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x385, &mut x386, x384, x334, x368);
+  let mut x387: u32 = 0;
+  let mut x388: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x387, &mut x388, x386, x336, x370);
+  let mut x389: u32 = 0;
+  let mut x390: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x389, &mut x390, x388, x338, x372);
+  let mut x391: u32 = 0;
+  let mut x392: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x391, &mut x392, x390, x340, x374);
+  let x393: u32 = ((x392 as u32) + (x341 as u32));
+  let mut x394: u32 = 0;
+  let mut x395: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x394, &mut x395, x4, (arg1[7]));
+  let mut x396: u32 = 0;
+  let mut x397: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x396, &mut x397, x4, (arg1[6]));
+  let mut x398: u32 = 0;
+  let mut x399: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x398, &mut x399, x4, (arg1[5]));
+  let mut x400: u32 = 0;
+  let mut x401: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x400, &mut x401, x4, (arg1[4]));
+  let mut x402: u32 = 0;
+  let mut x403: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x402, &mut x403, x4, (arg1[3]));
+  let mut x404: u32 = 0;
+  let mut x405: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x404, &mut x405, x4, (arg1[2]));
+  let mut x406: u32 = 0;
+  let mut x407: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x406, &mut x407, x4, (arg1[1]));
+  let mut x408: u32 = 0;
+  let mut x409: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x408, &mut x409, x4, (arg1[0]));
+  let mut x410: u32 = 0;
+  let mut x411: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x410, &mut x411, 0x0, x409, x406);
+  let mut x412: u32 = 0;
+  let mut x413: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x412, &mut x413, x411, x407, x404);
+  let mut x414: u32 = 0;
+  let mut x415: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x414, &mut x415, x413, x405, x402);
+  let mut x416: u32 = 0;
+  let mut x417: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x416, &mut x417, x415, x403, x400);
+  let mut x418: u32 = 0;
+  let mut x419: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x418, &mut x419, x417, x401, x398);
+  let mut x420: u32 = 0;
+  let mut x421: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x420, &mut x421, x419, x399, x396);
+  let mut x422: u32 = 0;
+  let mut x423: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x422, &mut x423, x421, x397, x394);
+  let x424: u32 = ((x423 as u32) + x395);
+  let mut x425: u32 = 0;
+  let mut x426: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x425, &mut x426, 0x0, x377, x408);
+  let mut x427: u32 = 0;
+  let mut x428: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x427, &mut x428, x426, x379, x410);
+  let mut x429: u32 = 0;
+  let mut x430: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x429, &mut x430, x428, x381, x412);
+  let mut x431: u32 = 0;
+  let mut x432: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x431, &mut x432, x430, x383, x414);
+  let mut x433: u32 = 0;
+  let mut x434: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x433, &mut x434, x432, x385, x416);
+  let mut x435: u32 = 0;
+  let mut x436: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x435, &mut x436, x434, x387, x418);
+  let mut x437: u32 = 0;
+  let mut x438: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x437, &mut x438, x436, x389, x420);
+  let mut x439: u32 = 0;
+  let mut x440: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x439, &mut x440, x438, x391, x422);
+  let mut x441: u32 = 0;
+  let mut x442: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x441, &mut x442, x440, x393, x424);
+  let mut x443: u32 = 0;
+  let mut x444: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x443, &mut x444, x425, 0x5588b13f);
+  let mut x445: u32 = 0;
+  let mut x446: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x445, &mut x446, x443, 0xffffffff);
+  let mut x447: u32 = 0;
+  let mut x448: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x447, &mut x448, x443, 0xffffffff);
+  let mut x449: u32 = 0;
+  let mut x450: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x449, &mut x450, x443, 0xffffffff);
+  let mut x451: u32 = 0;
+  let mut x452: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x451, &mut x452, x443, 0xfffffffe);
+  let mut x453: u32 = 0;
+  let mut x454: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x453, &mut x454, x443, 0xbaaedce6);
+  let mut x455: u32 = 0;
+  let mut x456: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x455, &mut x456, x443, 0xaf48a03b);
+  let mut x457: u32 = 0;
+  let mut x458: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x457, &mut x458, x443, 0xbfd25e8c);
+  let mut x459: u32 = 0;
+  let mut x460: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x459, &mut x460, x443, 0xd0364141);
+  let mut x461: u32 = 0;
+  let mut x462: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x461, &mut x462, 0x0, x460, x457);
+  let mut x463: u32 = 0;
+  let mut x464: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x463, &mut x464, x462, x458, x455);
+  let mut x465: u32 = 0;
+  let mut x466: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x465, &mut x466, x464, x456, x453);
+  let mut x467: u32 = 0;
+  let mut x468: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x467, &mut x468, x466, x454, x451);
+  let mut x469: u32 = 0;
+  let mut x470: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x469, &mut x470, x468, x452, x449);
+  let mut x471: u32 = 0;
+  let mut x472: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x471, &mut x472, x470, x450, x447);
+  let mut x473: u32 = 0;
+  let mut x474: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x473, &mut x474, x472, x448, x445);
+  let x475: u32 = ((x474 as u32) + x446);
+  let mut x476: u32 = 0;
+  let mut x477: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x476, &mut x477, 0x0, x425, x459);
+  let mut x478: u32 = 0;
+  let mut x479: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x478, &mut x479, x477, x427, x461);
+  let mut x480: u32 = 0;
+  let mut x481: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x480, &mut x481, x479, x429, x463);
+  let mut x482: u32 = 0;
+  let mut x483: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x482, &mut x483, x481, x431, x465);
+  let mut x484: u32 = 0;
+  let mut x485: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x484, &mut x485, x483, x433, x467);
+  let mut x486: u32 = 0;
+  let mut x487: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x486, &mut x487, x485, x435, x469);
+  let mut x488: u32 = 0;
+  let mut x489: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x488, &mut x489, x487, x437, x471);
+  let mut x490: u32 = 0;
+  let mut x491: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x490, &mut x491, x489, x439, x473);
+  let mut x492: u32 = 0;
+  let mut x493: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x492, &mut x493, x491, x441, x475);
+  let x494: u32 = ((x493 as u32) + (x442 as u32));
+  let mut x495: u32 = 0;
+  let mut x496: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x495, &mut x496, x5, (arg1[7]));
+  let mut x497: u32 = 0;
+  let mut x498: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x497, &mut x498, x5, (arg1[6]));
+  let mut x499: u32 = 0;
+  let mut x500: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x499, &mut x500, x5, (arg1[5]));
+  let mut x501: u32 = 0;
+  let mut x502: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x501, &mut x502, x5, (arg1[4]));
+  let mut x503: u32 = 0;
+  let mut x504: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x503, &mut x504, x5, (arg1[3]));
+  let mut x505: u32 = 0;
+  let mut x506: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x505, &mut x506, x5, (arg1[2]));
+  let mut x507: u32 = 0;
+  let mut x508: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x507, &mut x508, x5, (arg1[1]));
+  let mut x509: u32 = 0;
+  let mut x510: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x509, &mut x510, x5, (arg1[0]));
+  let mut x511: u32 = 0;
+  let mut x512: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x511, &mut x512, 0x0, x510, x507);
+  let mut x513: u32 = 0;
+  let mut x514: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x513, &mut x514, x512, x508, x505);
+  let mut x515: u32 = 0;
+  let mut x516: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x515, &mut x516, x514, x506, x503);
+  let mut x517: u32 = 0;
+  let mut x518: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x517, &mut x518, x516, x504, x501);
+  let mut x519: u32 = 0;
+  let mut x520: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x519, &mut x520, x518, x502, x499);
+  let mut x521: u32 = 0;
+  let mut x522: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x521, &mut x522, x520, x500, x497);
+  let mut x523: u32 = 0;
+  let mut x524: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x523, &mut x524, x522, x498, x495);
+  let x525: u32 = ((x524 as u32) + x496);
+  let mut x526: u32 = 0;
+  let mut x527: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x526, &mut x527, 0x0, x478, x509);
+  let mut x528: u32 = 0;
+  let mut x529: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x528, &mut x529, x527, x480, x511);
+  let mut x530: u32 = 0;
+  let mut x531: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x530, &mut x531, x529, x482, x513);
+  let mut x532: u32 = 0;
+  let mut x533: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x532, &mut x533, x531, x484, x515);
+  let mut x534: u32 = 0;
+  let mut x535: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x534, &mut x535, x533, x486, x517);
+  let mut x536: u32 = 0;
+  let mut x537: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x536, &mut x537, x535, x488, x519);
+  let mut x538: u32 = 0;
+  let mut x539: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x538, &mut x539, x537, x490, x521);
+  let mut x540: u32 = 0;
+  let mut x541: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x540, &mut x541, x539, x492, x523);
+  let mut x542: u32 = 0;
+  let mut x543: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x542, &mut x543, x541, x494, x525);
+  let mut x544: u32 = 0;
+  let mut x545: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x544, &mut x545, x526, 0x5588b13f);
+  let mut x546: u32 = 0;
+  let mut x547: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x546, &mut x547, x544, 0xffffffff);
+  let mut x548: u32 = 0;
+  let mut x549: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x548, &mut x549, x544, 0xffffffff);
+  let mut x550: u32 = 0;
+  let mut x551: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x550, &mut x551, x544, 0xffffffff);
+  let mut x552: u32 = 0;
+  let mut x553: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x552, &mut x553, x544, 0xfffffffe);
+  let mut x554: u32 = 0;
+  let mut x555: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x554, &mut x555, x544, 0xbaaedce6);
+  let mut x556: u32 = 0;
+  let mut x557: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x556, &mut x557, x544, 0xaf48a03b);
+  let mut x558: u32 = 0;
+  let mut x559: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x558, &mut x559, x544, 0xbfd25e8c);
+  let mut x560: u32 = 0;
+  let mut x561: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x560, &mut x561, x544, 0xd0364141);
+  let mut x562: u32 = 0;
+  let mut x563: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x562, &mut x563, 0x0, x561, x558);
+  let mut x564: u32 = 0;
+  let mut x565: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x564, &mut x565, x563, x559, x556);
+  let mut x566: u32 = 0;
+  let mut x567: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x566, &mut x567, x565, x557, x554);
+  let mut x568: u32 = 0;
+  let mut x569: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x568, &mut x569, x567, x555, x552);
+  let mut x570: u32 = 0;
+  let mut x571: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x570, &mut x571, x569, x553, x550);
+  let mut x572: u32 = 0;
+  let mut x573: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x572, &mut x573, x571, x551, x548);
+  let mut x574: u32 = 0;
+  let mut x575: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x574, &mut x575, x573, x549, x546);
+  let x576: u32 = ((x575 as u32) + x547);
+  let mut x577: u32 = 0;
+  let mut x578: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x577, &mut x578, 0x0, x526, x560);
+  let mut x579: u32 = 0;
+  let mut x580: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x579, &mut x580, x578, x528, x562);
+  let mut x581: u32 = 0;
+  let mut x582: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x581, &mut x582, x580, x530, x564);
+  let mut x583: u32 = 0;
+  let mut x584: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x583, &mut x584, x582, x532, x566);
+  let mut x585: u32 = 0;
+  let mut x586: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x585, &mut x586, x584, x534, x568);
+  let mut x587: u32 = 0;
+  let mut x588: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x587, &mut x588, x586, x536, x570);
+  let mut x589: u32 = 0;
+  let mut x590: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x589, &mut x590, x588, x538, x572);
+  let mut x591: u32 = 0;
+  let mut x592: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x591, &mut x592, x590, x540, x574);
+  let mut x593: u32 = 0;
+  let mut x594: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x593, &mut x594, x592, x542, x576);
+  let x595: u32 = ((x594 as u32) + (x543 as u32));
+  let mut x596: u32 = 0;
+  let mut x597: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x596, &mut x597, x6, (arg1[7]));
+  let mut x598: u32 = 0;
+  let mut x599: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x598, &mut x599, x6, (arg1[6]));
+  let mut x600: u32 = 0;
+  let mut x601: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x600, &mut x601, x6, (arg1[5]));
+  let mut x602: u32 = 0;
+  let mut x603: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x602, &mut x603, x6, (arg1[4]));
+  let mut x604: u32 = 0;
+  let mut x605: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x604, &mut x605, x6, (arg1[3]));
+  let mut x606: u32 = 0;
+  let mut x607: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x606, &mut x607, x6, (arg1[2]));
+  let mut x608: u32 = 0;
+  let mut x609: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x608, &mut x609, x6, (arg1[1]));
+  let mut x610: u32 = 0;
+  let mut x611: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x610, &mut x611, x6, (arg1[0]));
+  let mut x612: u32 = 0;
+  let mut x613: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x612, &mut x613, 0x0, x611, x608);
+  let mut x614: u32 = 0;
+  let mut x615: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x614, &mut x615, x613, x609, x606);
+  let mut x616: u32 = 0;
+  let mut x617: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x616, &mut x617, x615, x607, x604);
+  let mut x618: u32 = 0;
+  let mut x619: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x618, &mut x619, x617, x605, x602);
+  let mut x620: u32 = 0;
+  let mut x621: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x620, &mut x621, x619, x603, x600);
+  let mut x622: u32 = 0;
+  let mut x623: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x622, &mut x623, x621, x601, x598);
+  let mut x624: u32 = 0;
+  let mut x625: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x624, &mut x625, x623, x599, x596);
+  let x626: u32 = ((x625 as u32) + x597);
+  let mut x627: u32 = 0;
+  let mut x628: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x627, &mut x628, 0x0, x579, x610);
+  let mut x629: u32 = 0;
+  let mut x630: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x629, &mut x630, x628, x581, x612);
+  let mut x631: u32 = 0;
+  let mut x632: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x631, &mut x632, x630, x583, x614);
+  let mut x633: u32 = 0;
+  let mut x634: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x633, &mut x634, x632, x585, x616);
+  let mut x635: u32 = 0;
+  let mut x636: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x635, &mut x636, x634, x587, x618);
+  let mut x637: u32 = 0;
+  let mut x638: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x637, &mut x638, x636, x589, x620);
+  let mut x639: u32 = 0;
+  let mut x640: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x639, &mut x640, x638, x591, x622);
+  let mut x641: u32 = 0;
+  let mut x642: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x641, &mut x642, x640, x593, x624);
+  let mut x643: u32 = 0;
+  let mut x644: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x643, &mut x644, x642, x595, x626);
+  let mut x645: u32 = 0;
+  let mut x646: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x645, &mut x646, x627, 0x5588b13f);
+  let mut x647: u32 = 0;
+  let mut x648: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x647, &mut x648, x645, 0xffffffff);
+  let mut x649: u32 = 0;
+  let mut x650: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x649, &mut x650, x645, 0xffffffff);
+  let mut x651: u32 = 0;
+  let mut x652: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x651, &mut x652, x645, 0xffffffff);
+  let mut x653: u32 = 0;
+  let mut x654: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x653, &mut x654, x645, 0xfffffffe);
+  let mut x655: u32 = 0;
+  let mut x656: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x655, &mut x656, x645, 0xbaaedce6);
+  let mut x657: u32 = 0;
+  let mut x658: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x657, &mut x658, x645, 0xaf48a03b);
+  let mut x659: u32 = 0;
+  let mut x660: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x659, &mut x660, x645, 0xbfd25e8c);
+  let mut x661: u32 = 0;
+  let mut x662: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x661, &mut x662, x645, 0xd0364141);
+  let mut x663: u32 = 0;
+  let mut x664: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x663, &mut x664, 0x0, x662, x659);
+  let mut x665: u32 = 0;
+  let mut x666: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x665, &mut x666, x664, x660, x657);
+  let mut x667: u32 = 0;
+  let mut x668: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x667, &mut x668, x666, x658, x655);
+  let mut x669: u32 = 0;
+  let mut x670: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x669, &mut x670, x668, x656, x653);
+  let mut x671: u32 = 0;
+  let mut x672: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x671, &mut x672, x670, x654, x651);
+  let mut x673: u32 = 0;
+  let mut x674: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x673, &mut x674, x672, x652, x649);
+  let mut x675: u32 = 0;
+  let mut x676: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x675, &mut x676, x674, x650, x647);
+  let x677: u32 = ((x676 as u32) + x648);
+  let mut x678: u32 = 0;
+  let mut x679: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x678, &mut x679, 0x0, x627, x661);
+  let mut x680: u32 = 0;
+  let mut x681: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x680, &mut x681, x679, x629, x663);
+  let mut x682: u32 = 0;
+  let mut x683: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x682, &mut x683, x681, x631, x665);
+  let mut x684: u32 = 0;
+  let mut x685: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x684, &mut x685, x683, x633, x667);
+  let mut x686: u32 = 0;
+  let mut x687: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x686, &mut x687, x685, x635, x669);
+  let mut x688: u32 = 0;
+  let mut x689: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x688, &mut x689, x687, x637, x671);
+  let mut x690: u32 = 0;
+  let mut x691: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x690, &mut x691, x689, x639, x673);
+  let mut x692: u32 = 0;
+  let mut x693: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x692, &mut x693, x691, x641, x675);
+  let mut x694: u32 = 0;
+  let mut x695: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x694, &mut x695, x693, x643, x677);
+  let x696: u32 = ((x695 as u32) + (x644 as u32));
+  let mut x697: u32 = 0;
+  let mut x698: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x697, &mut x698, x7, (arg1[7]));
+  let mut x699: u32 = 0;
+  let mut x700: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x699, &mut x700, x7, (arg1[6]));
+  let mut x701: u32 = 0;
+  let mut x702: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x701, &mut x702, x7, (arg1[5]));
+  let mut x703: u32 = 0;
+  let mut x704: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x703, &mut x704, x7, (arg1[4]));
+  let mut x705: u32 = 0;
+  let mut x706: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x705, &mut x706, x7, (arg1[3]));
+  let mut x707: u32 = 0;
+  let mut x708: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x707, &mut x708, x7, (arg1[2]));
+  let mut x709: u32 = 0;
+  let mut x710: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x709, &mut x710, x7, (arg1[1]));
+  let mut x711: u32 = 0;
+  let mut x712: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x711, &mut x712, x7, (arg1[0]));
+  let mut x713: u32 = 0;
+  let mut x714: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x713, &mut x714, 0x0, x712, x709);
+  let mut x715: u32 = 0;
+  let mut x716: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x715, &mut x716, x714, x710, x707);
+  let mut x717: u32 = 0;
+  let mut x718: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x717, &mut x718, x716, x708, x705);
+  let mut x719: u32 = 0;
+  let mut x720: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x719, &mut x720, x718, x706, x703);
+  let mut x721: u32 = 0;
+  let mut x722: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x721, &mut x722, x720, x704, x701);
+  let mut x723: u32 = 0;
+  let mut x724: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x723, &mut x724, x722, x702, x699);
+  let mut x725: u32 = 0;
+  let mut x726: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x725, &mut x726, x724, x700, x697);
+  let x727: u32 = ((x726 as u32) + x698);
+  let mut x728: u32 = 0;
+  let mut x729: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x728, &mut x729, 0x0, x680, x711);
+  let mut x730: u32 = 0;
+  let mut x731: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x730, &mut x731, x729, x682, x713);
+  let mut x732: u32 = 0;
+  let mut x733: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x732, &mut x733, x731, x684, x715);
+  let mut x734: u32 = 0;
+  let mut x735: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x734, &mut x735, x733, x686, x717);
+  let mut x736: u32 = 0;
+  let mut x737: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x736, &mut x737, x735, x688, x719);
+  let mut x738: u32 = 0;
+  let mut x739: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x738, &mut x739, x737, x690, x721);
+  let mut x740: u32 = 0;
+  let mut x741: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x740, &mut x741, x739, x692, x723);
+  let mut x742: u32 = 0;
+  let mut x743: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x742, &mut x743, x741, x694, x725);
+  let mut x744: u32 = 0;
+  let mut x745: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x744, &mut x745, x743, x696, x727);
+  let mut x746: u32 = 0;
+  let mut x747: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x746, &mut x747, x728, 0x5588b13f);
+  let mut x748: u32 = 0;
+  let mut x749: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x748, &mut x749, x746, 0xffffffff);
+  let mut x750: u32 = 0;
+  let mut x751: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x750, &mut x751, x746, 0xffffffff);
+  let mut x752: u32 = 0;
+  let mut x753: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x752, &mut x753, x746, 0xffffffff);
+  let mut x754: u32 = 0;
+  let mut x755: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x754, &mut x755, x746, 0xfffffffe);
+  let mut x756: u32 = 0;
+  let mut x757: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x756, &mut x757, x746, 0xbaaedce6);
+  let mut x758: u32 = 0;
+  let mut x759: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x758, &mut x759, x746, 0xaf48a03b);
+  let mut x760: u32 = 0;
+  let mut x761: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x760, &mut x761, x746, 0xbfd25e8c);
+  let mut x762: u32 = 0;
+  let mut x763: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x762, &mut x763, x746, 0xd0364141);
+  let mut x764: u32 = 0;
+  let mut x765: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x764, &mut x765, 0x0, x763, x760);
+  let mut x766: u32 = 0;
+  let mut x767: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x766, &mut x767, x765, x761, x758);
+  let mut x768: u32 = 0;
+  let mut x769: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x768, &mut x769, x767, x759, x756);
+  let mut x770: u32 = 0;
+  let mut x771: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x770, &mut x771, x769, x757, x754);
+  let mut x772: u32 = 0;
+  let mut x773: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x772, &mut x773, x771, x755, x752);
+  let mut x774: u32 = 0;
+  let mut x775: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x774, &mut x775, x773, x753, x750);
+  let mut x776: u32 = 0;
+  let mut x777: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x776, &mut x777, x775, x751, x748);
+  let x778: u32 = ((x777 as u32) + x749);
+  let mut x779: u32 = 0;
+  let mut x780: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x779, &mut x780, 0x0, x728, x762);
+  let mut x781: u32 = 0;
+  let mut x782: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x781, &mut x782, x780, x730, x764);
+  let mut x783: u32 = 0;
+  let mut x784: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x783, &mut x784, x782, x732, x766);
+  let mut x785: u32 = 0;
+  let mut x786: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x785, &mut x786, x784, x734, x768);
+  let mut x787: u32 = 0;
+  let mut x788: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x787, &mut x788, x786, x736, x770);
+  let mut x789: u32 = 0;
+  let mut x790: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x789, &mut x790, x788, x738, x772);
+  let mut x791: u32 = 0;
+  let mut x792: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x791, &mut x792, x790, x740, x774);
+  let mut x793: u32 = 0;
+  let mut x794: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x793, &mut x794, x792, x742, x776);
+  let mut x795: u32 = 0;
+  let mut x796: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x795, &mut x796, x794, x744, x778);
+  let x797: u32 = ((x796 as u32) + (x745 as u32));
+  let mut x798: u32 = 0;
+  let mut x799: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x798, &mut x799, 0x0, x781, 0xd0364141);
+  let mut x800: u32 = 0;
+  let mut x801: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x800, &mut x801, x799, x783, 0xbfd25e8c);
+  let mut x802: u32 = 0;
+  let mut x803: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x802, &mut x803, x801, x785, 0xaf48a03b);
+  let mut x804: u32 = 0;
+  let mut x805: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x804, &mut x805, x803, x787, 0xbaaedce6);
+  let mut x806: u32 = 0;
+  let mut x807: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x806, &mut x807, x805, x789, 0xfffffffe);
+  let mut x808: u32 = 0;
+  let mut x809: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x808, &mut x809, x807, x791, 0xffffffff);
+  let mut x810: u32 = 0;
+  let mut x811: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x810, &mut x811, x809, x793, 0xffffffff);
+  let mut x812: u32 = 0;
+  let mut x813: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x812, &mut x813, x811, x795, 0xffffffff);
+  let mut x814: u32 = 0;
+  let mut x815: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x814, &mut x815, x813, x797, (0x0 as u32));
+  let mut x816: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x816, x815, x798, x781);
+  let mut x817: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x817, x815, x800, x783);
+  let mut x818: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x818, x815, x802, x785);
+  let mut x819: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x819, x815, x804, x787);
+  let mut x820: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x820, x815, x806, x789);
+  let mut x821: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x821, x815, x808, x791);
+  let mut x822: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x822, x815, x810, x793);
+  let mut x823: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x823, x815, x812, x795);
+  out1[0] = x816;
+  out1[1] = x817;
+  out1[2] = x818;
+  out1[3] = x819;
+  out1[4] = x820;
+  out1[5] = x821;
+  out1[6] = x822;
+  out1[7] = x823;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_add adds two field elements in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+///   0 ≤ eval arg2 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) + eval (from_montgomery arg2)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_add(out1: &mut fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element) -> () {
+  let mut x1: u32 = 0;
+  let mut x2: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
+  let mut x3: u32 = 0;
+  let mut x4: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
+  let mut x5: u32 = 0;
+  let mut x6: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
+  let mut x7: u32 = 0;
+  let mut x8: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
+  let mut x9: u32 = 0;
+  let mut x10: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x9, &mut x10, x8, (arg1[4]), (arg2[4]));
+  let mut x11: u32 = 0;
+  let mut x12: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x11, &mut x12, x10, (arg1[5]), (arg2[5]));
+  let mut x13: u32 = 0;
+  let mut x14: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x13, &mut x14, x12, (arg1[6]), (arg2[6]));
+  let mut x15: u32 = 0;
+  let mut x16: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x15, &mut x16, x14, (arg1[7]), (arg2[7]));
+  let mut x17: u32 = 0;
+  let mut x18: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x17, &mut x18, 0x0, x1, 0xd0364141);
+  let mut x19: u32 = 0;
+  let mut x20: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x19, &mut x20, x18, x3, 0xbfd25e8c);
+  let mut x21: u32 = 0;
+  let mut x22: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x21, &mut x22, x20, x5, 0xaf48a03b);
+  let mut x23: u32 = 0;
+  let mut x24: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x23, &mut x24, x22, x7, 0xbaaedce6);
+  let mut x25: u32 = 0;
+  let mut x26: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x25, &mut x26, x24, x9, 0xfffffffe);
+  let mut x27: u32 = 0;
+  let mut x28: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x27, &mut x28, x26, x11, 0xffffffff);
+  let mut x29: u32 = 0;
+  let mut x30: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x29, &mut x30, x28, x13, 0xffffffff);
+  let mut x31: u32 = 0;
+  let mut x32: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x31, &mut x32, x30, x15, 0xffffffff);
+  let mut x33: u32 = 0;
+  let mut x34: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x33, &mut x34, x32, (x16 as u32), (0x0 as u32));
+  let mut x35: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x35, x34, x17, x1);
+  let mut x36: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x36, x34, x19, x3);
+  let mut x37: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x37, x34, x21, x5);
+  let mut x38: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x38, x34, x23, x7);
+  let mut x39: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x39, x34, x25, x9);
+  let mut x40: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x40, x34, x27, x11);
+  let mut x41: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x41, x34, x29, x13);
+  let mut x42: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x42, x34, x31, x15);
+  out1[0] = x35;
+  out1[1] = x36;
+  out1[2] = x37;
+  out1[3] = x38;
+  out1[4] = x39;
+  out1[5] = x40;
+  out1[6] = x41;
+  out1[7] = x42;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_sub subtracts two field elements in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+///   0 ≤ eval arg2 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) - eval (from_montgomery arg2)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_sub(out1: &mut fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element) -> () {
+  let mut x1: u32 = 0;
+  let mut x2: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
+  let mut x3: u32 = 0;
+  let mut x4: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
+  let mut x5: u32 = 0;
+  let mut x6: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
+  let mut x7: u32 = 0;
+  let mut x8: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
+  let mut x9: u32 = 0;
+  let mut x10: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x9, &mut x10, x8, (arg1[4]), (arg2[4]));
+  let mut x11: u32 = 0;
+  let mut x12: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x11, &mut x12, x10, (arg1[5]), (arg2[5]));
+  let mut x13: u32 = 0;
+  let mut x14: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x13, &mut x14, x12, (arg1[6]), (arg2[6]));
+  let mut x15: u32 = 0;
+  let mut x16: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x15, &mut x16, x14, (arg1[7]), (arg2[7]));
+  let mut x17: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x17, x16, (0x0 as u32), 0xffffffff);
+  let mut x18: u32 = 0;
+  let mut x19: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x18, &mut x19, 0x0, x1, (x17 & 0xd0364141));
+  let mut x20: u32 = 0;
+  let mut x21: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x20, &mut x21, x19, x3, (x17 & 0xbfd25e8c));
+  let mut x22: u32 = 0;
+  let mut x23: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x22, &mut x23, x21, x5, (x17 & 0xaf48a03b));
+  let mut x24: u32 = 0;
+  let mut x25: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x24, &mut x25, x23, x7, (x17 & 0xbaaedce6));
+  let mut x26: u32 = 0;
+  let mut x27: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x26, &mut x27, x25, x9, (x17 & 0xfffffffe));
+  let mut x28: u32 = 0;
+  let mut x29: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x28, &mut x29, x27, x11, x17);
+  let mut x30: u32 = 0;
+  let mut x31: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x30, &mut x31, x29, x13, x17);
+  let mut x32: u32 = 0;
+  let mut x33: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x32, &mut x33, x31, x15, x17);
+  out1[0] = x18;
+  out1[1] = x20;
+  out1[2] = x22;
+  out1[3] = x24;
+  out1[4] = x26;
+  out1[5] = x28;
+  out1[6] = x30;
+  out1[7] = x32;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_opp negates a field element in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = -eval (from_montgomery arg1) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_opp(out1: &mut fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element) -> () {
+  let mut x1: u32 = 0;
+  let mut x2: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x1, &mut x2, 0x0, (0x0 as u32), (arg1[0]));
+  let mut x3: u32 = 0;
+  let mut x4: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x3, &mut x4, x2, (0x0 as u32), (arg1[1]));
+  let mut x5: u32 = 0;
+  let mut x6: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x5, &mut x6, x4, (0x0 as u32), (arg1[2]));
+  let mut x7: u32 = 0;
+  let mut x8: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x7, &mut x8, x6, (0x0 as u32), (arg1[3]));
+  let mut x9: u32 = 0;
+  let mut x10: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x9, &mut x10, x8, (0x0 as u32), (arg1[4]));
+  let mut x11: u32 = 0;
+  let mut x12: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x11, &mut x12, x10, (0x0 as u32), (arg1[5]));
+  let mut x13: u32 = 0;
+  let mut x14: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x13, &mut x14, x12, (0x0 as u32), (arg1[6]));
+  let mut x15: u32 = 0;
+  let mut x16: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x15, &mut x16, x14, (0x0 as u32), (arg1[7]));
+  let mut x17: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x17, x16, (0x0 as u32), 0xffffffff);
+  let mut x18: u32 = 0;
+  let mut x19: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x18, &mut x19, 0x0, x1, (x17 & 0xd0364141));
+  let mut x20: u32 = 0;
+  let mut x21: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x20, &mut x21, x19, x3, (x17 & 0xbfd25e8c));
+  let mut x22: u32 = 0;
+  let mut x23: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x22, &mut x23, x21, x5, (x17 & 0xaf48a03b));
+  let mut x24: u32 = 0;
+  let mut x25: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x24, &mut x25, x23, x7, (x17 & 0xbaaedce6));
+  let mut x26: u32 = 0;
+  let mut x27: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x26, &mut x27, x25, x9, (x17 & 0xfffffffe));
+  let mut x28: u32 = 0;
+  let mut x29: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x28, &mut x29, x27, x11, x17);
+  let mut x30: u32 = 0;
+  let mut x31: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x30, &mut x31, x29, x13, x17);
+  let mut x32: u32 = 0;
+  let mut x33: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x32, &mut x33, x31, x15, x17);
+  out1[0] = x18;
+  out1[1] = x20;
+  out1[2] = x22;
+  out1[3] = x24;
+  out1[4] = x26;
+  out1[5] = x28;
+  out1[6] = x30;
+  out1[7] = x32;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_from_montgomery translates a field element out of the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval out1 mod m = (eval arg1 * ((2^32)⁻¹ mod m)^8) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_from_montgomery(out1: &mut fiat_secp256k1_montgomery_scalar_non_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element) -> () {
+  let x1: u32 = (arg1[0]);
+  let mut x2: u32 = 0;
+  let mut x3: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x2, &mut x3, x1, 0x5588b13f);
+  let mut x4: u32 = 0;
+  let mut x5: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x4, &mut x5, x2, 0xffffffff);
+  let mut x6: u32 = 0;
+  let mut x7: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x6, &mut x7, x2, 0xffffffff);
+  let mut x8: u32 = 0;
+  let mut x9: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x8, &mut x9, x2, 0xffffffff);
+  let mut x10: u32 = 0;
+  let mut x11: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x10, &mut x11, x2, 0xfffffffe);
+  let mut x12: u32 = 0;
+  let mut x13: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x12, &mut x13, x2, 0xbaaedce6);
+  let mut x14: u32 = 0;
+  let mut x15: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x14, &mut x15, x2, 0xaf48a03b);
+  let mut x16: u32 = 0;
+  let mut x17: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x16, &mut x17, x2, 0xbfd25e8c);
+  let mut x18: u32 = 0;
+  let mut x19: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x18, &mut x19, x2, 0xd0364141);
+  let mut x20: u32 = 0;
+  let mut x21: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x20, &mut x21, 0x0, x19, x16);
+  let mut x22: u32 = 0;
+  let mut x23: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x22, &mut x23, x21, x17, x14);
+  let mut x24: u32 = 0;
+  let mut x25: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x24, &mut x25, x23, x15, x12);
+  let mut x26: u32 = 0;
+  let mut x27: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x26, &mut x27, x25, x13, x10);
+  let mut x28: u32 = 0;
+  let mut x29: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x28, &mut x29, x27, x11, x8);
+  let mut x30: u32 = 0;
+  let mut x31: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x30, &mut x31, x29, x9, x6);
+  let mut x32: u32 = 0;
+  let mut x33: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x32, &mut x33, x31, x7, x4);
+  let mut x34: u32 = 0;
+  let mut x35: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x34, &mut x35, 0x0, x1, x18);
+  let mut x36: u32 = 0;
+  let mut x37: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x36, &mut x37, x35, (0x0 as u32), x20);
+  let mut x38: u32 = 0;
+  let mut x39: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x38, &mut x39, x37, (0x0 as u32), x22);
+  let mut x40: u32 = 0;
+  let mut x41: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x40, &mut x41, x39, (0x0 as u32), x24);
+  let mut x42: u32 = 0;
+  let mut x43: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x42, &mut x43, x41, (0x0 as u32), x26);
+  let mut x44: u32 = 0;
+  let mut x45: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x44, &mut x45, x43, (0x0 as u32), x28);
+  let mut x46: u32 = 0;
+  let mut x47: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x46, &mut x47, x45, (0x0 as u32), x30);
+  let mut x48: u32 = 0;
+  let mut x49: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x48, &mut x49, x47, (0x0 as u32), x32);
+  let mut x50: u32 = 0;
+  let mut x51: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x50, &mut x51, x49, (0x0 as u32), ((x33 as u32) + x5));
+  let mut x52: u32 = 0;
+  let mut x53: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x52, &mut x53, 0x0, x36, (arg1[1]));
+  let mut x54: u32 = 0;
+  let mut x55: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x54, &mut x55, x53, x38, (0x0 as u32));
+  let mut x56: u32 = 0;
+  let mut x57: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x56, &mut x57, x55, x40, (0x0 as u32));
+  let mut x58: u32 = 0;
+  let mut x59: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x58, &mut x59, x57, x42, (0x0 as u32));
+  let mut x60: u32 = 0;
+  let mut x61: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x60, &mut x61, x59, x44, (0x0 as u32));
+  let mut x62: u32 = 0;
+  let mut x63: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x62, &mut x63, x61, x46, (0x0 as u32));
+  let mut x64: u32 = 0;
+  let mut x65: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x64, &mut x65, x63, x48, (0x0 as u32));
+  let mut x66: u32 = 0;
+  let mut x67: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x66, &mut x67, x65, x50, (0x0 as u32));
+  let mut x68: u32 = 0;
+  let mut x69: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x68, &mut x69, x52, 0x5588b13f);
+  let mut x70: u32 = 0;
+  let mut x71: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x70, &mut x71, x68, 0xffffffff);
+  let mut x72: u32 = 0;
+  let mut x73: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x72, &mut x73, x68, 0xffffffff);
+  let mut x74: u32 = 0;
+  let mut x75: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x74, &mut x75, x68, 0xffffffff);
+  let mut x76: u32 = 0;
+  let mut x77: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x76, &mut x77, x68, 0xfffffffe);
+  let mut x78: u32 = 0;
+  let mut x79: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x78, &mut x79, x68, 0xbaaedce6);
+  let mut x80: u32 = 0;
+  let mut x81: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x80, &mut x81, x68, 0xaf48a03b);
+  let mut x82: u32 = 0;
+  let mut x83: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x82, &mut x83, x68, 0xbfd25e8c);
+  let mut x84: u32 = 0;
+  let mut x85: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x84, &mut x85, x68, 0xd0364141);
+  let mut x86: u32 = 0;
+  let mut x87: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x86, &mut x87, 0x0, x85, x82);
+  let mut x88: u32 = 0;
+  let mut x89: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x88, &mut x89, x87, x83, x80);
+  let mut x90: u32 = 0;
+  let mut x91: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x90, &mut x91, x89, x81, x78);
+  let mut x92: u32 = 0;
+  let mut x93: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x92, &mut x93, x91, x79, x76);
+  let mut x94: u32 = 0;
+  let mut x95: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x94, &mut x95, x93, x77, x74);
+  let mut x96: u32 = 0;
+  let mut x97: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x96, &mut x97, x95, x75, x72);
+  let mut x98: u32 = 0;
+  let mut x99: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x98, &mut x99, x97, x73, x70);
+  let mut x100: u32 = 0;
+  let mut x101: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x100, &mut x101, 0x0, x52, x84);
+  let mut x102: u32 = 0;
+  let mut x103: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x102, &mut x103, x101, x54, x86);
+  let mut x104: u32 = 0;
+  let mut x105: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x104, &mut x105, x103, x56, x88);
+  let mut x106: u32 = 0;
+  let mut x107: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x106, &mut x107, x105, x58, x90);
+  let mut x108: u32 = 0;
+  let mut x109: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x108, &mut x109, x107, x60, x92);
+  let mut x110: u32 = 0;
+  let mut x111: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x110, &mut x111, x109, x62, x94);
+  let mut x112: u32 = 0;
+  let mut x113: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x112, &mut x113, x111, x64, x96);
+  let mut x114: u32 = 0;
+  let mut x115: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x114, &mut x115, x113, x66, x98);
+  let mut x116: u32 = 0;
+  let mut x117: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x116, &mut x117, x115, ((x67 as u32) + (x51 as u32)), ((x99 as u32) + x71));
+  let mut x118: u32 = 0;
+  let mut x119: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x118, &mut x119, 0x0, x102, (arg1[2]));
+  let mut x120: u32 = 0;
+  let mut x121: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x120, &mut x121, x119, x104, (0x0 as u32));
+  let mut x122: u32 = 0;
+  let mut x123: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x122, &mut x123, x121, x106, (0x0 as u32));
+  let mut x124: u32 = 0;
+  let mut x125: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x124, &mut x125, x123, x108, (0x0 as u32));
+  let mut x126: u32 = 0;
+  let mut x127: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x126, &mut x127, x125, x110, (0x0 as u32));
+  let mut x128: u32 = 0;
+  let mut x129: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x128, &mut x129, x127, x112, (0x0 as u32));
+  let mut x130: u32 = 0;
+  let mut x131: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x130, &mut x131, x129, x114, (0x0 as u32));
+  let mut x132: u32 = 0;
+  let mut x133: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x132, &mut x133, x131, x116, (0x0 as u32));
+  let mut x134: u32 = 0;
+  let mut x135: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x134, &mut x135, x118, 0x5588b13f);
+  let mut x136: u32 = 0;
+  let mut x137: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x136, &mut x137, x134, 0xffffffff);
+  let mut x138: u32 = 0;
+  let mut x139: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x138, &mut x139, x134, 0xffffffff);
+  let mut x140: u32 = 0;
+  let mut x141: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x140, &mut x141, x134, 0xffffffff);
+  let mut x142: u32 = 0;
+  let mut x143: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x142, &mut x143, x134, 0xfffffffe);
+  let mut x144: u32 = 0;
+  let mut x145: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x144, &mut x145, x134, 0xbaaedce6);
+  let mut x146: u32 = 0;
+  let mut x147: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x146, &mut x147, x134, 0xaf48a03b);
+  let mut x148: u32 = 0;
+  let mut x149: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x148, &mut x149, x134, 0xbfd25e8c);
+  let mut x150: u32 = 0;
+  let mut x151: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x150, &mut x151, x134, 0xd0364141);
+  let mut x152: u32 = 0;
+  let mut x153: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x152, &mut x153, 0x0, x151, x148);
+  let mut x154: u32 = 0;
+  let mut x155: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x154, &mut x155, x153, x149, x146);
+  let mut x156: u32 = 0;
+  let mut x157: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x156, &mut x157, x155, x147, x144);
+  let mut x158: u32 = 0;
+  let mut x159: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x158, &mut x159, x157, x145, x142);
+  let mut x160: u32 = 0;
+  let mut x161: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x160, &mut x161, x159, x143, x140);
+  let mut x162: u32 = 0;
+  let mut x163: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x162, &mut x163, x161, x141, x138);
+  let mut x164: u32 = 0;
+  let mut x165: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x164, &mut x165, x163, x139, x136);
+  let mut x166: u32 = 0;
+  let mut x167: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x166, &mut x167, 0x0, x118, x150);
+  let mut x168: u32 = 0;
+  let mut x169: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x168, &mut x169, x167, x120, x152);
+  let mut x170: u32 = 0;
+  let mut x171: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x170, &mut x171, x169, x122, x154);
+  let mut x172: u32 = 0;
+  let mut x173: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x172, &mut x173, x171, x124, x156);
+  let mut x174: u32 = 0;
+  let mut x175: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x174, &mut x175, x173, x126, x158);
+  let mut x176: u32 = 0;
+  let mut x177: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x176, &mut x177, x175, x128, x160);
+  let mut x178: u32 = 0;
+  let mut x179: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x178, &mut x179, x177, x130, x162);
+  let mut x180: u32 = 0;
+  let mut x181: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x180, &mut x181, x179, x132, x164);
+  let mut x182: u32 = 0;
+  let mut x183: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x182, &mut x183, x181, ((x133 as u32) + (x117 as u32)), ((x165 as u32) + x137));
+  let mut x184: u32 = 0;
+  let mut x185: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x184, &mut x185, 0x0, x168, (arg1[3]));
+  let mut x186: u32 = 0;
+  let mut x187: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x186, &mut x187, x185, x170, (0x0 as u32));
+  let mut x188: u32 = 0;
+  let mut x189: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x188, &mut x189, x187, x172, (0x0 as u32));
+  let mut x190: u32 = 0;
+  let mut x191: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x190, &mut x191, x189, x174, (0x0 as u32));
+  let mut x192: u32 = 0;
+  let mut x193: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x192, &mut x193, x191, x176, (0x0 as u32));
+  let mut x194: u32 = 0;
+  let mut x195: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x194, &mut x195, x193, x178, (0x0 as u32));
+  let mut x196: u32 = 0;
+  let mut x197: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x196, &mut x197, x195, x180, (0x0 as u32));
+  let mut x198: u32 = 0;
+  let mut x199: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x198, &mut x199, x197, x182, (0x0 as u32));
+  let mut x200: u32 = 0;
+  let mut x201: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x200, &mut x201, x184, 0x5588b13f);
+  let mut x202: u32 = 0;
+  let mut x203: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x202, &mut x203, x200, 0xffffffff);
+  let mut x204: u32 = 0;
+  let mut x205: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x204, &mut x205, x200, 0xffffffff);
+  let mut x206: u32 = 0;
+  let mut x207: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x206, &mut x207, x200, 0xffffffff);
+  let mut x208: u32 = 0;
+  let mut x209: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x208, &mut x209, x200, 0xfffffffe);
+  let mut x210: u32 = 0;
+  let mut x211: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x210, &mut x211, x200, 0xbaaedce6);
+  let mut x212: u32 = 0;
+  let mut x213: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x212, &mut x213, x200, 0xaf48a03b);
+  let mut x214: u32 = 0;
+  let mut x215: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x214, &mut x215, x200, 0xbfd25e8c);
+  let mut x216: u32 = 0;
+  let mut x217: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x216, &mut x217, x200, 0xd0364141);
+  let mut x218: u32 = 0;
+  let mut x219: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x218, &mut x219, 0x0, x217, x214);
+  let mut x220: u32 = 0;
+  let mut x221: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x220, &mut x221, x219, x215, x212);
+  let mut x222: u32 = 0;
+  let mut x223: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x222, &mut x223, x221, x213, x210);
+  let mut x224: u32 = 0;
+  let mut x225: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x224, &mut x225, x223, x211, x208);
+  let mut x226: u32 = 0;
+  let mut x227: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x226, &mut x227, x225, x209, x206);
+  let mut x228: u32 = 0;
+  let mut x229: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x228, &mut x229, x227, x207, x204);
+  let mut x230: u32 = 0;
+  let mut x231: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x230, &mut x231, x229, x205, x202);
+  let mut x232: u32 = 0;
+  let mut x233: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x232, &mut x233, 0x0, x184, x216);
+  let mut x234: u32 = 0;
+  let mut x235: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x234, &mut x235, x233, x186, x218);
+  let mut x236: u32 = 0;
+  let mut x237: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x236, &mut x237, x235, x188, x220);
+  let mut x238: u32 = 0;
+  let mut x239: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x238, &mut x239, x237, x190, x222);
+  let mut x240: u32 = 0;
+  let mut x241: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x240, &mut x241, x239, x192, x224);
+  let mut x242: u32 = 0;
+  let mut x243: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x242, &mut x243, x241, x194, x226);
+  let mut x244: u32 = 0;
+  let mut x245: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x244, &mut x245, x243, x196, x228);
+  let mut x246: u32 = 0;
+  let mut x247: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x246, &mut x247, x245, x198, x230);
+  let mut x248: u32 = 0;
+  let mut x249: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x248, &mut x249, x247, ((x199 as u32) + (x183 as u32)), ((x231 as u32) + x203));
+  let mut x250: u32 = 0;
+  let mut x251: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x250, &mut x251, 0x0, x234, (arg1[4]));
+  let mut x252: u32 = 0;
+  let mut x253: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x252, &mut x253, x251, x236, (0x0 as u32));
+  let mut x254: u32 = 0;
+  let mut x255: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x254, &mut x255, x253, x238, (0x0 as u32));
+  let mut x256: u32 = 0;
+  let mut x257: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x256, &mut x257, x255, x240, (0x0 as u32));
+  let mut x258: u32 = 0;
+  let mut x259: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x258, &mut x259, x257, x242, (0x0 as u32));
+  let mut x260: u32 = 0;
+  let mut x261: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x260, &mut x261, x259, x244, (0x0 as u32));
+  let mut x262: u32 = 0;
+  let mut x263: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x262, &mut x263, x261, x246, (0x0 as u32));
+  let mut x264: u32 = 0;
+  let mut x265: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x264, &mut x265, x263, x248, (0x0 as u32));
+  let mut x266: u32 = 0;
+  let mut x267: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x266, &mut x267, x250, 0x5588b13f);
+  let mut x268: u32 = 0;
+  let mut x269: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x268, &mut x269, x266, 0xffffffff);
+  let mut x270: u32 = 0;
+  let mut x271: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x270, &mut x271, x266, 0xffffffff);
+  let mut x272: u32 = 0;
+  let mut x273: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x272, &mut x273, x266, 0xffffffff);
+  let mut x274: u32 = 0;
+  let mut x275: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x274, &mut x275, x266, 0xfffffffe);
+  let mut x276: u32 = 0;
+  let mut x277: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x276, &mut x277, x266, 0xbaaedce6);
+  let mut x278: u32 = 0;
+  let mut x279: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x278, &mut x279, x266, 0xaf48a03b);
+  let mut x280: u32 = 0;
+  let mut x281: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x280, &mut x281, x266, 0xbfd25e8c);
+  let mut x282: u32 = 0;
+  let mut x283: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x282, &mut x283, x266, 0xd0364141);
+  let mut x284: u32 = 0;
+  let mut x285: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x284, &mut x285, 0x0, x283, x280);
+  let mut x286: u32 = 0;
+  let mut x287: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x286, &mut x287, x285, x281, x278);
+  let mut x288: u32 = 0;
+  let mut x289: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x288, &mut x289, x287, x279, x276);
+  let mut x290: u32 = 0;
+  let mut x291: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x290, &mut x291, x289, x277, x274);
+  let mut x292: u32 = 0;
+  let mut x293: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x292, &mut x293, x291, x275, x272);
+  let mut x294: u32 = 0;
+  let mut x295: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x294, &mut x295, x293, x273, x270);
+  let mut x296: u32 = 0;
+  let mut x297: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x296, &mut x297, x295, x271, x268);
+  let mut x298: u32 = 0;
+  let mut x299: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x298, &mut x299, 0x0, x250, x282);
+  let mut x300: u32 = 0;
+  let mut x301: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x300, &mut x301, x299, x252, x284);
+  let mut x302: u32 = 0;
+  let mut x303: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x302, &mut x303, x301, x254, x286);
+  let mut x304: u32 = 0;
+  let mut x305: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x304, &mut x305, x303, x256, x288);
+  let mut x306: u32 = 0;
+  let mut x307: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x306, &mut x307, x305, x258, x290);
+  let mut x308: u32 = 0;
+  let mut x309: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x308, &mut x309, x307, x260, x292);
+  let mut x310: u32 = 0;
+  let mut x311: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x310, &mut x311, x309, x262, x294);
+  let mut x312: u32 = 0;
+  let mut x313: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x312, &mut x313, x311, x264, x296);
+  let mut x314: u32 = 0;
+  let mut x315: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x314, &mut x315, x313, ((x265 as u32) + (x249 as u32)), ((x297 as u32) + x269));
+  let mut x316: u32 = 0;
+  let mut x317: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x316, &mut x317, 0x0, x300, (arg1[5]));
+  let mut x318: u32 = 0;
+  let mut x319: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x318, &mut x319, x317, x302, (0x0 as u32));
+  let mut x320: u32 = 0;
+  let mut x321: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x320, &mut x321, x319, x304, (0x0 as u32));
+  let mut x322: u32 = 0;
+  let mut x323: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x322, &mut x323, x321, x306, (0x0 as u32));
+  let mut x324: u32 = 0;
+  let mut x325: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x324, &mut x325, x323, x308, (0x0 as u32));
+  let mut x326: u32 = 0;
+  let mut x327: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x326, &mut x327, x325, x310, (0x0 as u32));
+  let mut x328: u32 = 0;
+  let mut x329: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x328, &mut x329, x327, x312, (0x0 as u32));
+  let mut x330: u32 = 0;
+  let mut x331: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x330, &mut x331, x329, x314, (0x0 as u32));
+  let mut x332: u32 = 0;
+  let mut x333: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x332, &mut x333, x316, 0x5588b13f);
+  let mut x334: u32 = 0;
+  let mut x335: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x334, &mut x335, x332, 0xffffffff);
+  let mut x336: u32 = 0;
+  let mut x337: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x336, &mut x337, x332, 0xffffffff);
+  let mut x338: u32 = 0;
+  let mut x339: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x338, &mut x339, x332, 0xffffffff);
+  let mut x340: u32 = 0;
+  let mut x341: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x340, &mut x341, x332, 0xfffffffe);
+  let mut x342: u32 = 0;
+  let mut x343: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x342, &mut x343, x332, 0xbaaedce6);
+  let mut x344: u32 = 0;
+  let mut x345: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x344, &mut x345, x332, 0xaf48a03b);
+  let mut x346: u32 = 0;
+  let mut x347: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x346, &mut x347, x332, 0xbfd25e8c);
+  let mut x348: u32 = 0;
+  let mut x349: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x348, &mut x349, x332, 0xd0364141);
+  let mut x350: u32 = 0;
+  let mut x351: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x350, &mut x351, 0x0, x349, x346);
+  let mut x352: u32 = 0;
+  let mut x353: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x352, &mut x353, x351, x347, x344);
+  let mut x354: u32 = 0;
+  let mut x355: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x354, &mut x355, x353, x345, x342);
+  let mut x356: u32 = 0;
+  let mut x357: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x356, &mut x357, x355, x343, x340);
+  let mut x358: u32 = 0;
+  let mut x359: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x358, &mut x359, x357, x341, x338);
+  let mut x360: u32 = 0;
+  let mut x361: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x360, &mut x361, x359, x339, x336);
+  let mut x362: u32 = 0;
+  let mut x363: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x362, &mut x363, x361, x337, x334);
+  let mut x364: u32 = 0;
+  let mut x365: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x364, &mut x365, 0x0, x316, x348);
+  let mut x366: u32 = 0;
+  let mut x367: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x366, &mut x367, x365, x318, x350);
+  let mut x368: u32 = 0;
+  let mut x369: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x368, &mut x369, x367, x320, x352);
+  let mut x370: u32 = 0;
+  let mut x371: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x370, &mut x371, x369, x322, x354);
+  let mut x372: u32 = 0;
+  let mut x373: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x372, &mut x373, x371, x324, x356);
+  let mut x374: u32 = 0;
+  let mut x375: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x374, &mut x375, x373, x326, x358);
+  let mut x376: u32 = 0;
+  let mut x377: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x376, &mut x377, x375, x328, x360);
+  let mut x378: u32 = 0;
+  let mut x379: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x378, &mut x379, x377, x330, x362);
+  let mut x380: u32 = 0;
+  let mut x381: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x380, &mut x381, x379, ((x331 as u32) + (x315 as u32)), ((x363 as u32) + x335));
+  let mut x382: u32 = 0;
+  let mut x383: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x382, &mut x383, 0x0, x366, (arg1[6]));
+  let mut x384: u32 = 0;
+  let mut x385: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x384, &mut x385, x383, x368, (0x0 as u32));
+  let mut x386: u32 = 0;
+  let mut x387: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x386, &mut x387, x385, x370, (0x0 as u32));
+  let mut x388: u32 = 0;
+  let mut x389: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x388, &mut x389, x387, x372, (0x0 as u32));
+  let mut x390: u32 = 0;
+  let mut x391: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x390, &mut x391, x389, x374, (0x0 as u32));
+  let mut x392: u32 = 0;
+  let mut x393: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x392, &mut x393, x391, x376, (0x0 as u32));
+  let mut x394: u32 = 0;
+  let mut x395: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x394, &mut x395, x393, x378, (0x0 as u32));
+  let mut x396: u32 = 0;
+  let mut x397: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x396, &mut x397, x395, x380, (0x0 as u32));
+  let mut x398: u32 = 0;
+  let mut x399: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x398, &mut x399, x382, 0x5588b13f);
+  let mut x400: u32 = 0;
+  let mut x401: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x400, &mut x401, x398, 0xffffffff);
+  let mut x402: u32 = 0;
+  let mut x403: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x402, &mut x403, x398, 0xffffffff);
+  let mut x404: u32 = 0;
+  let mut x405: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x404, &mut x405, x398, 0xffffffff);
+  let mut x406: u32 = 0;
+  let mut x407: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x406, &mut x407, x398, 0xfffffffe);
+  let mut x408: u32 = 0;
+  let mut x409: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x408, &mut x409, x398, 0xbaaedce6);
+  let mut x410: u32 = 0;
+  let mut x411: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x410, &mut x411, x398, 0xaf48a03b);
+  let mut x412: u32 = 0;
+  let mut x413: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x412, &mut x413, x398, 0xbfd25e8c);
+  let mut x414: u32 = 0;
+  let mut x415: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x414, &mut x415, x398, 0xd0364141);
+  let mut x416: u32 = 0;
+  let mut x417: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x416, &mut x417, 0x0, x415, x412);
+  let mut x418: u32 = 0;
+  let mut x419: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x418, &mut x419, x417, x413, x410);
+  let mut x420: u32 = 0;
+  let mut x421: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x420, &mut x421, x419, x411, x408);
+  let mut x422: u32 = 0;
+  let mut x423: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x422, &mut x423, x421, x409, x406);
+  let mut x424: u32 = 0;
+  let mut x425: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x424, &mut x425, x423, x407, x404);
+  let mut x426: u32 = 0;
+  let mut x427: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x426, &mut x427, x425, x405, x402);
+  let mut x428: u32 = 0;
+  let mut x429: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x428, &mut x429, x427, x403, x400);
+  let mut x430: u32 = 0;
+  let mut x431: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x430, &mut x431, 0x0, x382, x414);
+  let mut x432: u32 = 0;
+  let mut x433: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x432, &mut x433, x431, x384, x416);
+  let mut x434: u32 = 0;
+  let mut x435: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x434, &mut x435, x433, x386, x418);
+  let mut x436: u32 = 0;
+  let mut x437: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x436, &mut x437, x435, x388, x420);
+  let mut x438: u32 = 0;
+  let mut x439: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x438, &mut x439, x437, x390, x422);
+  let mut x440: u32 = 0;
+  let mut x441: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x440, &mut x441, x439, x392, x424);
+  let mut x442: u32 = 0;
+  let mut x443: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x442, &mut x443, x441, x394, x426);
+  let mut x444: u32 = 0;
+  let mut x445: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x444, &mut x445, x443, x396, x428);
+  let mut x446: u32 = 0;
+  let mut x447: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x446, &mut x447, x445, ((x397 as u32) + (x381 as u32)), ((x429 as u32) + x401));
+  let mut x448: u32 = 0;
+  let mut x449: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x448, &mut x449, 0x0, x432, (arg1[7]));
+  let mut x450: u32 = 0;
+  let mut x451: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x450, &mut x451, x449, x434, (0x0 as u32));
+  let mut x452: u32 = 0;
+  let mut x453: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x452, &mut x453, x451, x436, (0x0 as u32));
+  let mut x454: u32 = 0;
+  let mut x455: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x454, &mut x455, x453, x438, (0x0 as u32));
+  let mut x456: u32 = 0;
+  let mut x457: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x456, &mut x457, x455, x440, (0x0 as u32));
+  let mut x458: u32 = 0;
+  let mut x459: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x458, &mut x459, x457, x442, (0x0 as u32));
+  let mut x460: u32 = 0;
+  let mut x461: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x460, &mut x461, x459, x444, (0x0 as u32));
+  let mut x462: u32 = 0;
+  let mut x463: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x462, &mut x463, x461, x446, (0x0 as u32));
+  let mut x464: u32 = 0;
+  let mut x465: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x464, &mut x465, x448, 0x5588b13f);
+  let mut x466: u32 = 0;
+  let mut x467: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x466, &mut x467, x464, 0xffffffff);
+  let mut x468: u32 = 0;
+  let mut x469: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x468, &mut x469, x464, 0xffffffff);
+  let mut x470: u32 = 0;
+  let mut x471: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x470, &mut x471, x464, 0xffffffff);
+  let mut x472: u32 = 0;
+  let mut x473: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x472, &mut x473, x464, 0xfffffffe);
+  let mut x474: u32 = 0;
+  let mut x475: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x474, &mut x475, x464, 0xbaaedce6);
+  let mut x476: u32 = 0;
+  let mut x477: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x476, &mut x477, x464, 0xaf48a03b);
+  let mut x478: u32 = 0;
+  let mut x479: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x478, &mut x479, x464, 0xbfd25e8c);
+  let mut x480: u32 = 0;
+  let mut x481: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x480, &mut x481, x464, 0xd0364141);
+  let mut x482: u32 = 0;
+  let mut x483: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x482, &mut x483, 0x0, x481, x478);
+  let mut x484: u32 = 0;
+  let mut x485: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x484, &mut x485, x483, x479, x476);
+  let mut x486: u32 = 0;
+  let mut x487: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x486, &mut x487, x485, x477, x474);
+  let mut x488: u32 = 0;
+  let mut x489: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x488, &mut x489, x487, x475, x472);
+  let mut x490: u32 = 0;
+  let mut x491: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x490, &mut x491, x489, x473, x470);
+  let mut x492: u32 = 0;
+  let mut x493: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x492, &mut x493, x491, x471, x468);
+  let mut x494: u32 = 0;
+  let mut x495: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x494, &mut x495, x493, x469, x466);
+  let mut x496: u32 = 0;
+  let mut x497: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x496, &mut x497, 0x0, x448, x480);
+  let mut x498: u32 = 0;
+  let mut x499: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x498, &mut x499, x497, x450, x482);
+  let mut x500: u32 = 0;
+  let mut x501: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x500, &mut x501, x499, x452, x484);
+  let mut x502: u32 = 0;
+  let mut x503: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x502, &mut x503, x501, x454, x486);
+  let mut x504: u32 = 0;
+  let mut x505: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x504, &mut x505, x503, x456, x488);
+  let mut x506: u32 = 0;
+  let mut x507: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x506, &mut x507, x505, x458, x490);
+  let mut x508: u32 = 0;
+  let mut x509: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x508, &mut x509, x507, x460, x492);
+  let mut x510: u32 = 0;
+  let mut x511: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x510, &mut x511, x509, x462, x494);
+  let mut x512: u32 = 0;
+  let mut x513: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x512, &mut x513, x511, ((x463 as u32) + (x447 as u32)), ((x495 as u32) + x467));
+  let mut x514: u32 = 0;
+  let mut x515: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x514, &mut x515, 0x0, x498, 0xd0364141);
+  let mut x516: u32 = 0;
+  let mut x517: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x516, &mut x517, x515, x500, 0xbfd25e8c);
+  let mut x518: u32 = 0;
+  let mut x519: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x518, &mut x519, x517, x502, 0xaf48a03b);
+  let mut x520: u32 = 0;
+  let mut x521: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x520, &mut x521, x519, x504, 0xbaaedce6);
+  let mut x522: u32 = 0;
+  let mut x523: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x522, &mut x523, x521, x506, 0xfffffffe);
+  let mut x524: u32 = 0;
+  let mut x525: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x524, &mut x525, x523, x508, 0xffffffff);
+  let mut x526: u32 = 0;
+  let mut x527: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x526, &mut x527, x525, x510, 0xffffffff);
+  let mut x528: u32 = 0;
+  let mut x529: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x528, &mut x529, x527, x512, 0xffffffff);
+  let mut x530: u32 = 0;
+  let mut x531: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x530, &mut x531, x529, (x513 as u32), (0x0 as u32));
+  let mut x532: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x532, x531, x514, x498);
+  let mut x533: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x533, x531, x516, x500);
+  let mut x534: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x534, x531, x518, x502);
+  let mut x535: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x535, x531, x520, x504);
+  let mut x536: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x536, x531, x522, x506);
+  let mut x537: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x537, x531, x524, x508);
+  let mut x538: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x538, x531, x526, x510);
+  let mut x539: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x539, x531, x528, x512);
+  out1[0] = x532;
+  out1[1] = x533;
+  out1[2] = x534;
+  out1[3] = x535;
+  out1[4] = x536;
+  out1[5] = x537;
+  out1[6] = x538;
+  out1[7] = x539;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_to_montgomery translates a field element into the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = eval arg1 mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_to_montgomery(out1: &mut fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_scalar_non_montgomery_domain_field_element) -> () {
+  let x1: u32 = (arg1[1]);
+  let x2: u32 = (arg1[2]);
+  let x3: u32 = (arg1[3]);
+  let x4: u32 = (arg1[4]);
+  let x5: u32 = (arg1[5]);
+  let x6: u32 = (arg1[6]);
+  let x7: u32 = (arg1[7]);
+  let x8: u32 = (arg1[0]);
+  let mut x9: u32 = 0;
+  let mut x10: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x9, &mut x10, x8, 0x9d671cd5);
+  let mut x11: u32 = 0;
+  let mut x12: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x11, &mut x12, x8, 0x81c69bc5);
+  let mut x13: u32 = 0;
+  let mut x14: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x13, &mut x14, x8, 0xe697f5e4);
+  let mut x15: u32 = 0;
+  let mut x16: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x15, &mut x16, x8, 0x5bcd07c6);
+  let mut x17: u32 = 0;
+  let mut x18: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x17, &mut x18, x8, 0x741496c2);
+  let mut x19: u32 = 0;
+  let mut x20: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x19, &mut x20, x8, 0xe7cf878);
+  let mut x21: u32 = 0;
+  let mut x22: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x21, &mut x22, x8, 0x896cf214);
+  let mut x23: u32 = 0;
+  let mut x24: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x23, &mut x24, x8, 0x67d7d140);
+  let mut x25: u32 = 0;
+  let mut x26: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x25, &mut x26, 0x0, x24, x21);
+  let mut x27: u32 = 0;
+  let mut x28: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x27, &mut x28, x26, x22, x19);
+  let mut x29: u32 = 0;
+  let mut x30: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x29, &mut x30, x28, x20, x17);
+  let mut x31: u32 = 0;
+  let mut x32: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x31, &mut x32, x30, x18, x15);
+  let mut x33: u32 = 0;
+  let mut x34: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x33, &mut x34, x32, x16, x13);
+  let mut x35: u32 = 0;
+  let mut x36: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x35, &mut x36, x34, x14, x11);
+  let mut x37: u32 = 0;
+  let mut x38: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x37, &mut x38, x36, x12, x9);
+  let mut x39: u32 = 0;
+  let mut x40: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x39, &mut x40, x23, 0x5588b13f);
+  let mut x41: u32 = 0;
+  let mut x42: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x41, &mut x42, x39, 0xffffffff);
+  let mut x43: u32 = 0;
+  let mut x44: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x43, &mut x44, x39, 0xffffffff);
+  let mut x45: u32 = 0;
+  let mut x46: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x45, &mut x46, x39, 0xffffffff);
+  let mut x47: u32 = 0;
+  let mut x48: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x47, &mut x48, x39, 0xfffffffe);
+  let mut x49: u32 = 0;
+  let mut x50: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x49, &mut x50, x39, 0xbaaedce6);
+  let mut x51: u32 = 0;
+  let mut x52: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x51, &mut x52, x39, 0xaf48a03b);
+  let mut x53: u32 = 0;
+  let mut x54: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x53, &mut x54, x39, 0xbfd25e8c);
+  let mut x55: u32 = 0;
+  let mut x56: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x55, &mut x56, x39, 0xd0364141);
+  let mut x57: u32 = 0;
+  let mut x58: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x57, &mut x58, 0x0, x56, x53);
+  let mut x59: u32 = 0;
+  let mut x60: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x59, &mut x60, x58, x54, x51);
+  let mut x61: u32 = 0;
+  let mut x62: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x61, &mut x62, x60, x52, x49);
+  let mut x63: u32 = 0;
+  let mut x64: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x63, &mut x64, x62, x50, x47);
+  let mut x65: u32 = 0;
+  let mut x66: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x65, &mut x66, x64, x48, x45);
+  let mut x67: u32 = 0;
+  let mut x68: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x67, &mut x68, x66, x46, x43);
+  let mut x69: u32 = 0;
+  let mut x70: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x69, &mut x70, x68, x44, x41);
+  let mut x71: u32 = 0;
+  let mut x72: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x71, &mut x72, 0x0, x23, x55);
+  let mut x73: u32 = 0;
+  let mut x74: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x73, &mut x74, x72, x25, x57);
+  let mut x75: u32 = 0;
+  let mut x76: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x75, &mut x76, x74, x27, x59);
+  let mut x77: u32 = 0;
+  let mut x78: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x77, &mut x78, x76, x29, x61);
+  let mut x79: u32 = 0;
+  let mut x80: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x79, &mut x80, x78, x31, x63);
+  let mut x81: u32 = 0;
+  let mut x82: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x81, &mut x82, x80, x33, x65);
+  let mut x83: u32 = 0;
+  let mut x84: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x83, &mut x84, x82, x35, x67);
+  let mut x85: u32 = 0;
+  let mut x86: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x85, &mut x86, x84, x37, x69);
+  let mut x87: u32 = 0;
+  let mut x88: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x87, &mut x88, x86, ((x38 as u32) + x10), ((x70 as u32) + x42));
+  let mut x89: u32 = 0;
+  let mut x90: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x89, &mut x90, x1, 0x9d671cd5);
+  let mut x91: u32 = 0;
+  let mut x92: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x91, &mut x92, x1, 0x81c69bc5);
+  let mut x93: u32 = 0;
+  let mut x94: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x93, &mut x94, x1, 0xe697f5e4);
+  let mut x95: u32 = 0;
+  let mut x96: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x95, &mut x96, x1, 0x5bcd07c6);
+  let mut x97: u32 = 0;
+  let mut x98: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x97, &mut x98, x1, 0x741496c2);
+  let mut x99: u32 = 0;
+  let mut x100: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x99, &mut x100, x1, 0xe7cf878);
+  let mut x101: u32 = 0;
+  let mut x102: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x101, &mut x102, x1, 0x896cf214);
+  let mut x103: u32 = 0;
+  let mut x104: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x103, &mut x104, x1, 0x67d7d140);
+  let mut x105: u32 = 0;
+  let mut x106: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x105, &mut x106, 0x0, x104, x101);
+  let mut x107: u32 = 0;
+  let mut x108: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x107, &mut x108, x106, x102, x99);
+  let mut x109: u32 = 0;
+  let mut x110: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x109, &mut x110, x108, x100, x97);
+  let mut x111: u32 = 0;
+  let mut x112: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x111, &mut x112, x110, x98, x95);
+  let mut x113: u32 = 0;
+  let mut x114: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x113, &mut x114, x112, x96, x93);
+  let mut x115: u32 = 0;
+  let mut x116: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x115, &mut x116, x114, x94, x91);
+  let mut x117: u32 = 0;
+  let mut x118: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x117, &mut x118, x116, x92, x89);
+  let mut x119: u32 = 0;
+  let mut x120: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x119, &mut x120, 0x0, x73, x103);
+  let mut x121: u32 = 0;
+  let mut x122: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x121, &mut x122, x120, x75, x105);
+  let mut x123: u32 = 0;
+  let mut x124: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x123, &mut x124, x122, x77, x107);
+  let mut x125: u32 = 0;
+  let mut x126: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x125, &mut x126, x124, x79, x109);
+  let mut x127: u32 = 0;
+  let mut x128: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x127, &mut x128, x126, x81, x111);
+  let mut x129: u32 = 0;
+  let mut x130: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x129, &mut x130, x128, x83, x113);
+  let mut x131: u32 = 0;
+  let mut x132: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x131, &mut x132, x130, x85, x115);
+  let mut x133: u32 = 0;
+  let mut x134: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x133, &mut x134, x132, x87, x117);
+  let mut x135: u32 = 0;
+  let mut x136: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x135, &mut x136, x119, 0x5588b13f);
+  let mut x137: u32 = 0;
+  let mut x138: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x137, &mut x138, x135, 0xffffffff);
+  let mut x139: u32 = 0;
+  let mut x140: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x139, &mut x140, x135, 0xffffffff);
+  let mut x141: u32 = 0;
+  let mut x142: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x141, &mut x142, x135, 0xffffffff);
+  let mut x143: u32 = 0;
+  let mut x144: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x143, &mut x144, x135, 0xfffffffe);
+  let mut x145: u32 = 0;
+  let mut x146: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x145, &mut x146, x135, 0xbaaedce6);
+  let mut x147: u32 = 0;
+  let mut x148: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x147, &mut x148, x135, 0xaf48a03b);
+  let mut x149: u32 = 0;
+  let mut x150: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x149, &mut x150, x135, 0xbfd25e8c);
+  let mut x151: u32 = 0;
+  let mut x152: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x151, &mut x152, x135, 0xd0364141);
+  let mut x153: u32 = 0;
+  let mut x154: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x153, &mut x154, 0x0, x152, x149);
+  let mut x155: u32 = 0;
+  let mut x156: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x155, &mut x156, x154, x150, x147);
+  let mut x157: u32 = 0;
+  let mut x158: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x157, &mut x158, x156, x148, x145);
+  let mut x159: u32 = 0;
+  let mut x160: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x159, &mut x160, x158, x146, x143);
+  let mut x161: u32 = 0;
+  let mut x162: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x161, &mut x162, x160, x144, x141);
+  let mut x163: u32 = 0;
+  let mut x164: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x163, &mut x164, x162, x142, x139);
+  let mut x165: u32 = 0;
+  let mut x166: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x165, &mut x166, x164, x140, x137);
+  let mut x167: u32 = 0;
+  let mut x168: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x167, &mut x168, 0x0, x119, x151);
+  let mut x169: u32 = 0;
+  let mut x170: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x169, &mut x170, x168, x121, x153);
+  let mut x171: u32 = 0;
+  let mut x172: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x171, &mut x172, x170, x123, x155);
+  let mut x173: u32 = 0;
+  let mut x174: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x173, &mut x174, x172, x125, x157);
+  let mut x175: u32 = 0;
+  let mut x176: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x175, &mut x176, x174, x127, x159);
+  let mut x177: u32 = 0;
+  let mut x178: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x177, &mut x178, x176, x129, x161);
+  let mut x179: u32 = 0;
+  let mut x180: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x179, &mut x180, x178, x131, x163);
+  let mut x181: u32 = 0;
+  let mut x182: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x181, &mut x182, x180, x133, x165);
+  let mut x183: u32 = 0;
+  let mut x184: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x183, &mut x184, x182, (((x134 as u32) + (x88 as u32)) + ((x118 as u32) + x90)), ((x166 as u32) + x138));
+  let mut x185: u32 = 0;
+  let mut x186: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x185, &mut x186, x2, 0x9d671cd5);
+  let mut x187: u32 = 0;
+  let mut x188: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x187, &mut x188, x2, 0x81c69bc5);
+  let mut x189: u32 = 0;
+  let mut x190: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x189, &mut x190, x2, 0xe697f5e4);
+  let mut x191: u32 = 0;
+  let mut x192: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x191, &mut x192, x2, 0x5bcd07c6);
+  let mut x193: u32 = 0;
+  let mut x194: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x193, &mut x194, x2, 0x741496c2);
+  let mut x195: u32 = 0;
+  let mut x196: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x195, &mut x196, x2, 0xe7cf878);
+  let mut x197: u32 = 0;
+  let mut x198: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x197, &mut x198, x2, 0x896cf214);
+  let mut x199: u32 = 0;
+  let mut x200: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x199, &mut x200, x2, 0x67d7d140);
+  let mut x201: u32 = 0;
+  let mut x202: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x201, &mut x202, 0x0, x200, x197);
+  let mut x203: u32 = 0;
+  let mut x204: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x203, &mut x204, x202, x198, x195);
+  let mut x205: u32 = 0;
+  let mut x206: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x205, &mut x206, x204, x196, x193);
+  let mut x207: u32 = 0;
+  let mut x208: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x207, &mut x208, x206, x194, x191);
+  let mut x209: u32 = 0;
+  let mut x210: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x209, &mut x210, x208, x192, x189);
+  let mut x211: u32 = 0;
+  let mut x212: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x211, &mut x212, x210, x190, x187);
+  let mut x213: u32 = 0;
+  let mut x214: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x213, &mut x214, x212, x188, x185);
+  let mut x215: u32 = 0;
+  let mut x216: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x215, &mut x216, 0x0, x169, x199);
+  let mut x217: u32 = 0;
+  let mut x218: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x217, &mut x218, x216, x171, x201);
+  let mut x219: u32 = 0;
+  let mut x220: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x219, &mut x220, x218, x173, x203);
+  let mut x221: u32 = 0;
+  let mut x222: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x221, &mut x222, x220, x175, x205);
+  let mut x223: u32 = 0;
+  let mut x224: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x223, &mut x224, x222, x177, x207);
+  let mut x225: u32 = 0;
+  let mut x226: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x225, &mut x226, x224, x179, x209);
+  let mut x227: u32 = 0;
+  let mut x228: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x227, &mut x228, x226, x181, x211);
+  let mut x229: u32 = 0;
+  let mut x230: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x229, &mut x230, x228, x183, x213);
+  let mut x231: u32 = 0;
+  let mut x232: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x231, &mut x232, x215, 0x5588b13f);
+  let mut x233: u32 = 0;
+  let mut x234: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x233, &mut x234, x231, 0xffffffff);
+  let mut x235: u32 = 0;
+  let mut x236: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x235, &mut x236, x231, 0xffffffff);
+  let mut x237: u32 = 0;
+  let mut x238: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x237, &mut x238, x231, 0xffffffff);
+  let mut x239: u32 = 0;
+  let mut x240: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x239, &mut x240, x231, 0xfffffffe);
+  let mut x241: u32 = 0;
+  let mut x242: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x241, &mut x242, x231, 0xbaaedce6);
+  let mut x243: u32 = 0;
+  let mut x244: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x243, &mut x244, x231, 0xaf48a03b);
+  let mut x245: u32 = 0;
+  let mut x246: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x245, &mut x246, x231, 0xbfd25e8c);
+  let mut x247: u32 = 0;
+  let mut x248: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x247, &mut x248, x231, 0xd0364141);
+  let mut x249: u32 = 0;
+  let mut x250: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x249, &mut x250, 0x0, x248, x245);
+  let mut x251: u32 = 0;
+  let mut x252: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x251, &mut x252, x250, x246, x243);
+  let mut x253: u32 = 0;
+  let mut x254: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x253, &mut x254, x252, x244, x241);
+  let mut x255: u32 = 0;
+  let mut x256: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x255, &mut x256, x254, x242, x239);
+  let mut x257: u32 = 0;
+  let mut x258: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x257, &mut x258, x256, x240, x237);
+  let mut x259: u32 = 0;
+  let mut x260: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x259, &mut x260, x258, x238, x235);
+  let mut x261: u32 = 0;
+  let mut x262: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x261, &mut x262, x260, x236, x233);
+  let mut x263: u32 = 0;
+  let mut x264: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x263, &mut x264, 0x0, x215, x247);
+  let mut x265: u32 = 0;
+  let mut x266: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x265, &mut x266, x264, x217, x249);
+  let mut x267: u32 = 0;
+  let mut x268: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x267, &mut x268, x266, x219, x251);
+  let mut x269: u32 = 0;
+  let mut x270: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x269, &mut x270, x268, x221, x253);
+  let mut x271: u32 = 0;
+  let mut x272: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x271, &mut x272, x270, x223, x255);
+  let mut x273: u32 = 0;
+  let mut x274: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x273, &mut x274, x272, x225, x257);
+  let mut x275: u32 = 0;
+  let mut x276: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x275, &mut x276, x274, x227, x259);
+  let mut x277: u32 = 0;
+  let mut x278: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x277, &mut x278, x276, x229, x261);
+  let mut x279: u32 = 0;
+  let mut x280: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x279, &mut x280, x278, (((x230 as u32) + (x184 as u32)) + ((x214 as u32) + x186)), ((x262 as u32) + x234));
+  let mut x281: u32 = 0;
+  let mut x282: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x281, &mut x282, x3, 0x9d671cd5);
+  let mut x283: u32 = 0;
+  let mut x284: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x283, &mut x284, x3, 0x81c69bc5);
+  let mut x285: u32 = 0;
+  let mut x286: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x285, &mut x286, x3, 0xe697f5e4);
+  let mut x287: u32 = 0;
+  let mut x288: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x287, &mut x288, x3, 0x5bcd07c6);
+  let mut x289: u32 = 0;
+  let mut x290: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x289, &mut x290, x3, 0x741496c2);
+  let mut x291: u32 = 0;
+  let mut x292: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x291, &mut x292, x3, 0xe7cf878);
+  let mut x293: u32 = 0;
+  let mut x294: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x293, &mut x294, x3, 0x896cf214);
+  let mut x295: u32 = 0;
+  let mut x296: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x295, &mut x296, x3, 0x67d7d140);
+  let mut x297: u32 = 0;
+  let mut x298: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x297, &mut x298, 0x0, x296, x293);
+  let mut x299: u32 = 0;
+  let mut x300: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x299, &mut x300, x298, x294, x291);
+  let mut x301: u32 = 0;
+  let mut x302: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x301, &mut x302, x300, x292, x289);
+  let mut x303: u32 = 0;
+  let mut x304: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x303, &mut x304, x302, x290, x287);
+  let mut x305: u32 = 0;
+  let mut x306: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x305, &mut x306, x304, x288, x285);
+  let mut x307: u32 = 0;
+  let mut x308: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x307, &mut x308, x306, x286, x283);
+  let mut x309: u32 = 0;
+  let mut x310: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x309, &mut x310, x308, x284, x281);
+  let mut x311: u32 = 0;
+  let mut x312: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x311, &mut x312, 0x0, x265, x295);
+  let mut x313: u32 = 0;
+  let mut x314: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x313, &mut x314, x312, x267, x297);
+  let mut x315: u32 = 0;
+  let mut x316: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x315, &mut x316, x314, x269, x299);
+  let mut x317: u32 = 0;
+  let mut x318: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x317, &mut x318, x316, x271, x301);
+  let mut x319: u32 = 0;
+  let mut x320: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x319, &mut x320, x318, x273, x303);
+  let mut x321: u32 = 0;
+  let mut x322: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x321, &mut x322, x320, x275, x305);
+  let mut x323: u32 = 0;
+  let mut x324: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x323, &mut x324, x322, x277, x307);
+  let mut x325: u32 = 0;
+  let mut x326: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x325, &mut x326, x324, x279, x309);
+  let mut x327: u32 = 0;
+  let mut x328: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x327, &mut x328, x311, 0x5588b13f);
+  let mut x329: u32 = 0;
+  let mut x330: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x329, &mut x330, x327, 0xffffffff);
+  let mut x331: u32 = 0;
+  let mut x332: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x331, &mut x332, x327, 0xffffffff);
+  let mut x333: u32 = 0;
+  let mut x334: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x333, &mut x334, x327, 0xffffffff);
+  let mut x335: u32 = 0;
+  let mut x336: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x335, &mut x336, x327, 0xfffffffe);
+  let mut x337: u32 = 0;
+  let mut x338: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x337, &mut x338, x327, 0xbaaedce6);
+  let mut x339: u32 = 0;
+  let mut x340: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x339, &mut x340, x327, 0xaf48a03b);
+  let mut x341: u32 = 0;
+  let mut x342: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x341, &mut x342, x327, 0xbfd25e8c);
+  let mut x343: u32 = 0;
+  let mut x344: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x343, &mut x344, x327, 0xd0364141);
+  let mut x345: u32 = 0;
+  let mut x346: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x345, &mut x346, 0x0, x344, x341);
+  let mut x347: u32 = 0;
+  let mut x348: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x347, &mut x348, x346, x342, x339);
+  let mut x349: u32 = 0;
+  let mut x350: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x349, &mut x350, x348, x340, x337);
+  let mut x351: u32 = 0;
+  let mut x352: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x351, &mut x352, x350, x338, x335);
+  let mut x353: u32 = 0;
+  let mut x354: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x353, &mut x354, x352, x336, x333);
+  let mut x355: u32 = 0;
+  let mut x356: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x355, &mut x356, x354, x334, x331);
+  let mut x357: u32 = 0;
+  let mut x358: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x357, &mut x358, x356, x332, x329);
+  let mut x359: u32 = 0;
+  let mut x360: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x359, &mut x360, 0x0, x311, x343);
+  let mut x361: u32 = 0;
+  let mut x362: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x361, &mut x362, x360, x313, x345);
+  let mut x363: u32 = 0;
+  let mut x364: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x363, &mut x364, x362, x315, x347);
+  let mut x365: u32 = 0;
+  let mut x366: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x365, &mut x366, x364, x317, x349);
+  let mut x367: u32 = 0;
+  let mut x368: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x367, &mut x368, x366, x319, x351);
+  let mut x369: u32 = 0;
+  let mut x370: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x369, &mut x370, x368, x321, x353);
+  let mut x371: u32 = 0;
+  let mut x372: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x371, &mut x372, x370, x323, x355);
+  let mut x373: u32 = 0;
+  let mut x374: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x373, &mut x374, x372, x325, x357);
+  let mut x375: u32 = 0;
+  let mut x376: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x375, &mut x376, x374, (((x326 as u32) + (x280 as u32)) + ((x310 as u32) + x282)), ((x358 as u32) + x330));
+  let mut x377: u32 = 0;
+  let mut x378: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x377, &mut x378, x4, 0x9d671cd5);
+  let mut x379: u32 = 0;
+  let mut x380: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x379, &mut x380, x4, 0x81c69bc5);
+  let mut x381: u32 = 0;
+  let mut x382: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x381, &mut x382, x4, 0xe697f5e4);
+  let mut x383: u32 = 0;
+  let mut x384: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x383, &mut x384, x4, 0x5bcd07c6);
+  let mut x385: u32 = 0;
+  let mut x386: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x385, &mut x386, x4, 0x741496c2);
+  let mut x387: u32 = 0;
+  let mut x388: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x387, &mut x388, x4, 0xe7cf878);
+  let mut x389: u32 = 0;
+  let mut x390: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x389, &mut x390, x4, 0x896cf214);
+  let mut x391: u32 = 0;
+  let mut x392: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x391, &mut x392, x4, 0x67d7d140);
+  let mut x393: u32 = 0;
+  let mut x394: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x393, &mut x394, 0x0, x392, x389);
+  let mut x395: u32 = 0;
+  let mut x396: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x395, &mut x396, x394, x390, x387);
+  let mut x397: u32 = 0;
+  let mut x398: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x397, &mut x398, x396, x388, x385);
+  let mut x399: u32 = 0;
+  let mut x400: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x399, &mut x400, x398, x386, x383);
+  let mut x401: u32 = 0;
+  let mut x402: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x401, &mut x402, x400, x384, x381);
+  let mut x403: u32 = 0;
+  let mut x404: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x403, &mut x404, x402, x382, x379);
+  let mut x405: u32 = 0;
+  let mut x406: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x405, &mut x406, x404, x380, x377);
+  let mut x407: u32 = 0;
+  let mut x408: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x407, &mut x408, 0x0, x361, x391);
+  let mut x409: u32 = 0;
+  let mut x410: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x409, &mut x410, x408, x363, x393);
+  let mut x411: u32 = 0;
+  let mut x412: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x411, &mut x412, x410, x365, x395);
+  let mut x413: u32 = 0;
+  let mut x414: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x413, &mut x414, x412, x367, x397);
+  let mut x415: u32 = 0;
+  let mut x416: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x415, &mut x416, x414, x369, x399);
+  let mut x417: u32 = 0;
+  let mut x418: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x417, &mut x418, x416, x371, x401);
+  let mut x419: u32 = 0;
+  let mut x420: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x419, &mut x420, x418, x373, x403);
+  let mut x421: u32 = 0;
+  let mut x422: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x421, &mut x422, x420, x375, x405);
+  let mut x423: u32 = 0;
+  let mut x424: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x423, &mut x424, x407, 0x5588b13f);
+  let mut x425: u32 = 0;
+  let mut x426: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x425, &mut x426, x423, 0xffffffff);
+  let mut x427: u32 = 0;
+  let mut x428: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x427, &mut x428, x423, 0xffffffff);
+  let mut x429: u32 = 0;
+  let mut x430: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x429, &mut x430, x423, 0xffffffff);
+  let mut x431: u32 = 0;
+  let mut x432: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x431, &mut x432, x423, 0xfffffffe);
+  let mut x433: u32 = 0;
+  let mut x434: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x433, &mut x434, x423, 0xbaaedce6);
+  let mut x435: u32 = 0;
+  let mut x436: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x435, &mut x436, x423, 0xaf48a03b);
+  let mut x437: u32 = 0;
+  let mut x438: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x437, &mut x438, x423, 0xbfd25e8c);
+  let mut x439: u32 = 0;
+  let mut x440: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x439, &mut x440, x423, 0xd0364141);
+  let mut x441: u32 = 0;
+  let mut x442: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x441, &mut x442, 0x0, x440, x437);
+  let mut x443: u32 = 0;
+  let mut x444: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x443, &mut x444, x442, x438, x435);
+  let mut x445: u32 = 0;
+  let mut x446: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x445, &mut x446, x444, x436, x433);
+  let mut x447: u32 = 0;
+  let mut x448: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x447, &mut x448, x446, x434, x431);
+  let mut x449: u32 = 0;
+  let mut x450: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x449, &mut x450, x448, x432, x429);
+  let mut x451: u32 = 0;
+  let mut x452: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x451, &mut x452, x450, x430, x427);
+  let mut x453: u32 = 0;
+  let mut x454: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x453, &mut x454, x452, x428, x425);
+  let mut x455: u32 = 0;
+  let mut x456: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x455, &mut x456, 0x0, x407, x439);
+  let mut x457: u32 = 0;
+  let mut x458: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x457, &mut x458, x456, x409, x441);
+  let mut x459: u32 = 0;
+  let mut x460: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x459, &mut x460, x458, x411, x443);
+  let mut x461: u32 = 0;
+  let mut x462: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x461, &mut x462, x460, x413, x445);
+  let mut x463: u32 = 0;
+  let mut x464: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x463, &mut x464, x462, x415, x447);
+  let mut x465: u32 = 0;
+  let mut x466: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x465, &mut x466, x464, x417, x449);
+  let mut x467: u32 = 0;
+  let mut x468: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x467, &mut x468, x466, x419, x451);
+  let mut x469: u32 = 0;
+  let mut x470: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x469, &mut x470, x468, x421, x453);
+  let mut x471: u32 = 0;
+  let mut x472: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x471, &mut x472, x470, (((x422 as u32) + (x376 as u32)) + ((x406 as u32) + x378)), ((x454 as u32) + x426));
+  let mut x473: u32 = 0;
+  let mut x474: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x473, &mut x474, x5, 0x9d671cd5);
+  let mut x475: u32 = 0;
+  let mut x476: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x475, &mut x476, x5, 0x81c69bc5);
+  let mut x477: u32 = 0;
+  let mut x478: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x477, &mut x478, x5, 0xe697f5e4);
+  let mut x479: u32 = 0;
+  let mut x480: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x479, &mut x480, x5, 0x5bcd07c6);
+  let mut x481: u32 = 0;
+  let mut x482: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x481, &mut x482, x5, 0x741496c2);
+  let mut x483: u32 = 0;
+  let mut x484: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x483, &mut x484, x5, 0xe7cf878);
+  let mut x485: u32 = 0;
+  let mut x486: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x485, &mut x486, x5, 0x896cf214);
+  let mut x487: u32 = 0;
+  let mut x488: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x487, &mut x488, x5, 0x67d7d140);
+  let mut x489: u32 = 0;
+  let mut x490: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x489, &mut x490, 0x0, x488, x485);
+  let mut x491: u32 = 0;
+  let mut x492: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x491, &mut x492, x490, x486, x483);
+  let mut x493: u32 = 0;
+  let mut x494: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x493, &mut x494, x492, x484, x481);
+  let mut x495: u32 = 0;
+  let mut x496: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x495, &mut x496, x494, x482, x479);
+  let mut x497: u32 = 0;
+  let mut x498: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x497, &mut x498, x496, x480, x477);
+  let mut x499: u32 = 0;
+  let mut x500: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x499, &mut x500, x498, x478, x475);
+  let mut x501: u32 = 0;
+  let mut x502: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x501, &mut x502, x500, x476, x473);
+  let mut x503: u32 = 0;
+  let mut x504: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x503, &mut x504, 0x0, x457, x487);
+  let mut x505: u32 = 0;
+  let mut x506: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x505, &mut x506, x504, x459, x489);
+  let mut x507: u32 = 0;
+  let mut x508: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x507, &mut x508, x506, x461, x491);
+  let mut x509: u32 = 0;
+  let mut x510: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x509, &mut x510, x508, x463, x493);
+  let mut x511: u32 = 0;
+  let mut x512: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x511, &mut x512, x510, x465, x495);
+  let mut x513: u32 = 0;
+  let mut x514: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x513, &mut x514, x512, x467, x497);
+  let mut x515: u32 = 0;
+  let mut x516: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x515, &mut x516, x514, x469, x499);
+  let mut x517: u32 = 0;
+  let mut x518: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x517, &mut x518, x516, x471, x501);
+  let mut x519: u32 = 0;
+  let mut x520: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x519, &mut x520, x503, 0x5588b13f);
+  let mut x521: u32 = 0;
+  let mut x522: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x521, &mut x522, x519, 0xffffffff);
+  let mut x523: u32 = 0;
+  let mut x524: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x523, &mut x524, x519, 0xffffffff);
+  let mut x525: u32 = 0;
+  let mut x526: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x525, &mut x526, x519, 0xffffffff);
+  let mut x527: u32 = 0;
+  let mut x528: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x527, &mut x528, x519, 0xfffffffe);
+  let mut x529: u32 = 0;
+  let mut x530: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x529, &mut x530, x519, 0xbaaedce6);
+  let mut x531: u32 = 0;
+  let mut x532: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x531, &mut x532, x519, 0xaf48a03b);
+  let mut x533: u32 = 0;
+  let mut x534: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x533, &mut x534, x519, 0xbfd25e8c);
+  let mut x535: u32 = 0;
+  let mut x536: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x535, &mut x536, x519, 0xd0364141);
+  let mut x537: u32 = 0;
+  let mut x538: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x537, &mut x538, 0x0, x536, x533);
+  let mut x539: u32 = 0;
+  let mut x540: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x539, &mut x540, x538, x534, x531);
+  let mut x541: u32 = 0;
+  let mut x542: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x541, &mut x542, x540, x532, x529);
+  let mut x543: u32 = 0;
+  let mut x544: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x543, &mut x544, x542, x530, x527);
+  let mut x545: u32 = 0;
+  let mut x546: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x545, &mut x546, x544, x528, x525);
+  let mut x547: u32 = 0;
+  let mut x548: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x547, &mut x548, x546, x526, x523);
+  let mut x549: u32 = 0;
+  let mut x550: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x549, &mut x550, x548, x524, x521);
+  let mut x551: u32 = 0;
+  let mut x552: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x551, &mut x552, 0x0, x503, x535);
+  let mut x553: u32 = 0;
+  let mut x554: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x553, &mut x554, x552, x505, x537);
+  let mut x555: u32 = 0;
+  let mut x556: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x555, &mut x556, x554, x507, x539);
+  let mut x557: u32 = 0;
+  let mut x558: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x557, &mut x558, x556, x509, x541);
+  let mut x559: u32 = 0;
+  let mut x560: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x559, &mut x560, x558, x511, x543);
+  let mut x561: u32 = 0;
+  let mut x562: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x561, &mut x562, x560, x513, x545);
+  let mut x563: u32 = 0;
+  let mut x564: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x563, &mut x564, x562, x515, x547);
+  let mut x565: u32 = 0;
+  let mut x566: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x565, &mut x566, x564, x517, x549);
+  let mut x567: u32 = 0;
+  let mut x568: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x567, &mut x568, x566, (((x518 as u32) + (x472 as u32)) + ((x502 as u32) + x474)), ((x550 as u32) + x522));
+  let mut x569: u32 = 0;
+  let mut x570: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x569, &mut x570, x6, 0x9d671cd5);
+  let mut x571: u32 = 0;
+  let mut x572: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x571, &mut x572, x6, 0x81c69bc5);
+  let mut x573: u32 = 0;
+  let mut x574: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x573, &mut x574, x6, 0xe697f5e4);
+  let mut x575: u32 = 0;
+  let mut x576: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x575, &mut x576, x6, 0x5bcd07c6);
+  let mut x577: u32 = 0;
+  let mut x578: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x577, &mut x578, x6, 0x741496c2);
+  let mut x579: u32 = 0;
+  let mut x580: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x579, &mut x580, x6, 0xe7cf878);
+  let mut x581: u32 = 0;
+  let mut x582: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x581, &mut x582, x6, 0x896cf214);
+  let mut x583: u32 = 0;
+  let mut x584: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x583, &mut x584, x6, 0x67d7d140);
+  let mut x585: u32 = 0;
+  let mut x586: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x585, &mut x586, 0x0, x584, x581);
+  let mut x587: u32 = 0;
+  let mut x588: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x587, &mut x588, x586, x582, x579);
+  let mut x589: u32 = 0;
+  let mut x590: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x589, &mut x590, x588, x580, x577);
+  let mut x591: u32 = 0;
+  let mut x592: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x591, &mut x592, x590, x578, x575);
+  let mut x593: u32 = 0;
+  let mut x594: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x593, &mut x594, x592, x576, x573);
+  let mut x595: u32 = 0;
+  let mut x596: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x595, &mut x596, x594, x574, x571);
+  let mut x597: u32 = 0;
+  let mut x598: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x597, &mut x598, x596, x572, x569);
+  let mut x599: u32 = 0;
+  let mut x600: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x599, &mut x600, 0x0, x553, x583);
+  let mut x601: u32 = 0;
+  let mut x602: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x601, &mut x602, x600, x555, x585);
+  let mut x603: u32 = 0;
+  let mut x604: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x603, &mut x604, x602, x557, x587);
+  let mut x605: u32 = 0;
+  let mut x606: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x605, &mut x606, x604, x559, x589);
+  let mut x607: u32 = 0;
+  let mut x608: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x607, &mut x608, x606, x561, x591);
+  let mut x609: u32 = 0;
+  let mut x610: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x609, &mut x610, x608, x563, x593);
+  let mut x611: u32 = 0;
+  let mut x612: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x611, &mut x612, x610, x565, x595);
+  let mut x613: u32 = 0;
+  let mut x614: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x613, &mut x614, x612, x567, x597);
+  let mut x615: u32 = 0;
+  let mut x616: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x615, &mut x616, x599, 0x5588b13f);
+  let mut x617: u32 = 0;
+  let mut x618: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x617, &mut x618, x615, 0xffffffff);
+  let mut x619: u32 = 0;
+  let mut x620: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x619, &mut x620, x615, 0xffffffff);
+  let mut x621: u32 = 0;
+  let mut x622: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x621, &mut x622, x615, 0xffffffff);
+  let mut x623: u32 = 0;
+  let mut x624: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x623, &mut x624, x615, 0xfffffffe);
+  let mut x625: u32 = 0;
+  let mut x626: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x625, &mut x626, x615, 0xbaaedce6);
+  let mut x627: u32 = 0;
+  let mut x628: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x627, &mut x628, x615, 0xaf48a03b);
+  let mut x629: u32 = 0;
+  let mut x630: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x629, &mut x630, x615, 0xbfd25e8c);
+  let mut x631: u32 = 0;
+  let mut x632: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x631, &mut x632, x615, 0xd0364141);
+  let mut x633: u32 = 0;
+  let mut x634: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x633, &mut x634, 0x0, x632, x629);
+  let mut x635: u32 = 0;
+  let mut x636: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x635, &mut x636, x634, x630, x627);
+  let mut x637: u32 = 0;
+  let mut x638: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x637, &mut x638, x636, x628, x625);
+  let mut x639: u32 = 0;
+  let mut x640: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x639, &mut x640, x638, x626, x623);
+  let mut x641: u32 = 0;
+  let mut x642: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x641, &mut x642, x640, x624, x621);
+  let mut x643: u32 = 0;
+  let mut x644: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x643, &mut x644, x642, x622, x619);
+  let mut x645: u32 = 0;
+  let mut x646: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x645, &mut x646, x644, x620, x617);
+  let mut x647: u32 = 0;
+  let mut x648: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x647, &mut x648, 0x0, x599, x631);
+  let mut x649: u32 = 0;
+  let mut x650: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x649, &mut x650, x648, x601, x633);
+  let mut x651: u32 = 0;
+  let mut x652: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x651, &mut x652, x650, x603, x635);
+  let mut x653: u32 = 0;
+  let mut x654: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x653, &mut x654, x652, x605, x637);
+  let mut x655: u32 = 0;
+  let mut x656: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x655, &mut x656, x654, x607, x639);
+  let mut x657: u32 = 0;
+  let mut x658: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x657, &mut x658, x656, x609, x641);
+  let mut x659: u32 = 0;
+  let mut x660: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x659, &mut x660, x658, x611, x643);
+  let mut x661: u32 = 0;
+  let mut x662: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x661, &mut x662, x660, x613, x645);
+  let mut x663: u32 = 0;
+  let mut x664: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x663, &mut x664, x662, (((x614 as u32) + (x568 as u32)) + ((x598 as u32) + x570)), ((x646 as u32) + x618));
+  let mut x665: u32 = 0;
+  let mut x666: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x665, &mut x666, x7, 0x9d671cd5);
+  let mut x667: u32 = 0;
+  let mut x668: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x667, &mut x668, x7, 0x81c69bc5);
+  let mut x669: u32 = 0;
+  let mut x670: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x669, &mut x670, x7, 0xe697f5e4);
+  let mut x671: u32 = 0;
+  let mut x672: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x671, &mut x672, x7, 0x5bcd07c6);
+  let mut x673: u32 = 0;
+  let mut x674: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x673, &mut x674, x7, 0x741496c2);
+  let mut x675: u32 = 0;
+  let mut x676: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x675, &mut x676, x7, 0xe7cf878);
+  let mut x677: u32 = 0;
+  let mut x678: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x677, &mut x678, x7, 0x896cf214);
+  let mut x679: u32 = 0;
+  let mut x680: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x679, &mut x680, x7, 0x67d7d140);
+  let mut x681: u32 = 0;
+  let mut x682: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x681, &mut x682, 0x0, x680, x677);
+  let mut x683: u32 = 0;
+  let mut x684: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x683, &mut x684, x682, x678, x675);
+  let mut x685: u32 = 0;
+  let mut x686: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x685, &mut x686, x684, x676, x673);
+  let mut x687: u32 = 0;
+  let mut x688: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x687, &mut x688, x686, x674, x671);
+  let mut x689: u32 = 0;
+  let mut x690: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x689, &mut x690, x688, x672, x669);
+  let mut x691: u32 = 0;
+  let mut x692: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x691, &mut x692, x690, x670, x667);
+  let mut x693: u32 = 0;
+  let mut x694: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x693, &mut x694, x692, x668, x665);
+  let mut x695: u32 = 0;
+  let mut x696: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x695, &mut x696, 0x0, x649, x679);
+  let mut x697: u32 = 0;
+  let mut x698: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x697, &mut x698, x696, x651, x681);
+  let mut x699: u32 = 0;
+  let mut x700: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x699, &mut x700, x698, x653, x683);
+  let mut x701: u32 = 0;
+  let mut x702: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x701, &mut x702, x700, x655, x685);
+  let mut x703: u32 = 0;
+  let mut x704: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x703, &mut x704, x702, x657, x687);
+  let mut x705: u32 = 0;
+  let mut x706: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x705, &mut x706, x704, x659, x689);
+  let mut x707: u32 = 0;
+  let mut x708: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x707, &mut x708, x706, x661, x691);
+  let mut x709: u32 = 0;
+  let mut x710: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x709, &mut x710, x708, x663, x693);
+  let mut x711: u32 = 0;
+  let mut x712: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x711, &mut x712, x695, 0x5588b13f);
+  let mut x713: u32 = 0;
+  let mut x714: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x713, &mut x714, x711, 0xffffffff);
+  let mut x715: u32 = 0;
+  let mut x716: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x715, &mut x716, x711, 0xffffffff);
+  let mut x717: u32 = 0;
+  let mut x718: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x717, &mut x718, x711, 0xffffffff);
+  let mut x719: u32 = 0;
+  let mut x720: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x719, &mut x720, x711, 0xfffffffe);
+  let mut x721: u32 = 0;
+  let mut x722: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x721, &mut x722, x711, 0xbaaedce6);
+  let mut x723: u32 = 0;
+  let mut x724: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x723, &mut x724, x711, 0xaf48a03b);
+  let mut x725: u32 = 0;
+  let mut x726: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x725, &mut x726, x711, 0xbfd25e8c);
+  let mut x727: u32 = 0;
+  let mut x728: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u32(&mut x727, &mut x728, x711, 0xd0364141);
+  let mut x729: u32 = 0;
+  let mut x730: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x729, &mut x730, 0x0, x728, x725);
+  let mut x731: u32 = 0;
+  let mut x732: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x731, &mut x732, x730, x726, x723);
+  let mut x733: u32 = 0;
+  let mut x734: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x733, &mut x734, x732, x724, x721);
+  let mut x735: u32 = 0;
+  let mut x736: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x735, &mut x736, x734, x722, x719);
+  let mut x737: u32 = 0;
+  let mut x738: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x737, &mut x738, x736, x720, x717);
+  let mut x739: u32 = 0;
+  let mut x740: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x739, &mut x740, x738, x718, x715);
+  let mut x741: u32 = 0;
+  let mut x742: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x741, &mut x742, x740, x716, x713);
+  let mut x743: u32 = 0;
+  let mut x744: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x743, &mut x744, 0x0, x695, x727);
+  let mut x745: u32 = 0;
+  let mut x746: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x745, &mut x746, x744, x697, x729);
+  let mut x747: u32 = 0;
+  let mut x748: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x747, &mut x748, x746, x699, x731);
+  let mut x749: u32 = 0;
+  let mut x750: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x749, &mut x750, x748, x701, x733);
+  let mut x751: u32 = 0;
+  let mut x752: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x751, &mut x752, x750, x703, x735);
+  let mut x753: u32 = 0;
+  let mut x754: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x753, &mut x754, x752, x705, x737);
+  let mut x755: u32 = 0;
+  let mut x756: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x755, &mut x756, x754, x707, x739);
+  let mut x757: u32 = 0;
+  let mut x758: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x757, &mut x758, x756, x709, x741);
+  let mut x759: u32 = 0;
+  let mut x760: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x759, &mut x760, x758, (((x710 as u32) + (x664 as u32)) + ((x694 as u32) + x666)), ((x742 as u32) + x714));
+  let mut x761: u32 = 0;
+  let mut x762: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x761, &mut x762, 0x0, x745, 0xd0364141);
+  let mut x763: u32 = 0;
+  let mut x764: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x763, &mut x764, x762, x747, 0xbfd25e8c);
+  let mut x765: u32 = 0;
+  let mut x766: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x765, &mut x766, x764, x749, 0xaf48a03b);
+  let mut x767: u32 = 0;
+  let mut x768: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x767, &mut x768, x766, x751, 0xbaaedce6);
+  let mut x769: u32 = 0;
+  let mut x770: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x769, &mut x770, x768, x753, 0xfffffffe);
+  let mut x771: u32 = 0;
+  let mut x772: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x771, &mut x772, x770, x755, 0xffffffff);
+  let mut x773: u32 = 0;
+  let mut x774: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x773, &mut x774, x772, x757, 0xffffffff);
+  let mut x775: u32 = 0;
+  let mut x776: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x775, &mut x776, x774, x759, 0xffffffff);
+  let mut x777: u32 = 0;
+  let mut x778: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x777, &mut x778, x776, (x760 as u32), (0x0 as u32));
+  let mut x779: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x779, x778, x761, x745);
+  let mut x780: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x780, x778, x763, x747);
+  let mut x781: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x781, x778, x765, x749);
+  let mut x782: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x782, x778, x767, x751);
+  let mut x783: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x783, x778, x769, x753);
+  let mut x784: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x784, x778, x771, x755);
+  let mut x785: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x785, x778, x773, x757);
+  let mut x786: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x786, x778, x775, x759);
+  out1[0] = x779;
+  out1[1] = x780;
+  out1[2] = x781;
+  out1[3] = x782;
+  out1[4] = x783;
+  out1[5] = x784;
+  out1[6] = x785;
+  out1[7] = x786;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_nonzero outputs a single non-zero word if the input is non-zero and zero otherwise.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   out1 = 0 ↔ eval (from_montgomery arg1) mod m = 0
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffff]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_nonzero(out1: &mut u32, arg1: &[u32; 8]) -> () {
+  let x1: u32 = ((arg1[0]) | ((arg1[1]) | ((arg1[2]) | ((arg1[3]) | ((arg1[4]) | ((arg1[5]) | ((arg1[6]) | (arg1[7]))))))));
+  *out1 = x1;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_selectznz is a multi-limb conditional select.
+///
+/// Postconditions:
+///   out1 = (if arg1 = 0 then arg2 else arg3)
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+///   arg3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_selectznz(out1: &mut [u32; 8], arg1: fiat_secp256k1_montgomery_scalar_u1, arg2: &[u32; 8], arg3: &[u32; 8]) -> () {
+  let mut x1: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x1, arg1, (arg2[0]), (arg3[0]));
+  let mut x2: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x2, arg1, (arg2[1]), (arg3[1]));
+  let mut x3: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x3, arg1, (arg2[2]), (arg3[2]));
+  let mut x4: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x4, arg1, (arg2[3]), (arg3[3]));
+  let mut x5: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x5, arg1, (arg2[4]), (arg3[4]));
+  let mut x6: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x6, arg1, (arg2[5]), (arg3[5]));
+  let mut x7: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x7, arg1, (arg2[6]), (arg3[6]));
+  let mut x8: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x8, arg1, (arg2[7]), (arg3[7]));
+  out1[0] = x1;
+  out1[1] = x2;
+  out1[2] = x3;
+  out1[3] = x4;
+  out1[4] = x5;
+  out1[5] = x6;
+  out1[6] = x7;
+  out1[7] = x8;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_to_bytes serializes a field element NOT in the Montgomery domain to bytes in little-endian order.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   out1 = map (λ x, ⌊((eval arg1 mod m) mod 2^(8 * (x + 1))) / 2^(8 * x)⌋) [0..31]
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_to_bytes(out1: &mut [u8; 32], arg1: &[u32; 8]) -> () {
+  let x1: u32 = (arg1[7]);
+  let x2: u32 = (arg1[6]);
+  let x3: u32 = (arg1[5]);
+  let x4: u32 = (arg1[4]);
+  let x5: u32 = (arg1[3]);
+  let x6: u32 = (arg1[2]);
+  let x7: u32 = (arg1[1]);
+  let x8: u32 = (arg1[0]);
+  let x9: u8 = ((x8 & (0xff as u32)) as u8);
+  let x10: u32 = (x8 >> 8);
+  let x11: u8 = ((x10 & (0xff as u32)) as u8);
+  let x12: u32 = (x10 >> 8);
+  let x13: u8 = ((x12 & (0xff as u32)) as u8);
+  let x14: u8 = ((x12 >> 8) as u8);
+  let x15: u8 = ((x7 & (0xff as u32)) as u8);
+  let x16: u32 = (x7 >> 8);
+  let x17: u8 = ((x16 & (0xff as u32)) as u8);
+  let x18: u32 = (x16 >> 8);
+  let x19: u8 = ((x18 & (0xff as u32)) as u8);
+  let x20: u8 = ((x18 >> 8) as u8);
+  let x21: u8 = ((x6 & (0xff as u32)) as u8);
+  let x22: u32 = (x6 >> 8);
+  let x23: u8 = ((x22 & (0xff as u32)) as u8);
+  let x24: u32 = (x22 >> 8);
+  let x25: u8 = ((x24 & (0xff as u32)) as u8);
+  let x26: u8 = ((x24 >> 8) as u8);
+  let x27: u8 = ((x5 & (0xff as u32)) as u8);
+  let x28: u32 = (x5 >> 8);
+  let x29: u8 = ((x28 & (0xff as u32)) as u8);
+  let x30: u32 = (x28 >> 8);
+  let x31: u8 = ((x30 & (0xff as u32)) as u8);
+  let x32: u8 = ((x30 >> 8) as u8);
+  let x33: u8 = ((x4 & (0xff as u32)) as u8);
+  let x34: u32 = (x4 >> 8);
+  let x35: u8 = ((x34 & (0xff as u32)) as u8);
+  let x36: u32 = (x34 >> 8);
+  let x37: u8 = ((x36 & (0xff as u32)) as u8);
+  let x38: u8 = ((x36 >> 8) as u8);
+  let x39: u8 = ((x3 & (0xff as u32)) as u8);
+  let x40: u32 = (x3 >> 8);
+  let x41: u8 = ((x40 & (0xff as u32)) as u8);
+  let x42: u32 = (x40 >> 8);
+  let x43: u8 = ((x42 & (0xff as u32)) as u8);
+  let x44: u8 = ((x42 >> 8) as u8);
+  let x45: u8 = ((x2 & (0xff as u32)) as u8);
+  let x46: u32 = (x2 >> 8);
+  let x47: u8 = ((x46 & (0xff as u32)) as u8);
+  let x48: u32 = (x46 >> 8);
+  let x49: u8 = ((x48 & (0xff as u32)) as u8);
+  let x50: u8 = ((x48 >> 8) as u8);
+  let x51: u8 = ((x1 & (0xff as u32)) as u8);
+  let x52: u32 = (x1 >> 8);
+  let x53: u8 = ((x52 & (0xff as u32)) as u8);
+  let x54: u32 = (x52 >> 8);
+  let x55: u8 = ((x54 & (0xff as u32)) as u8);
+  let x56: u8 = ((x54 >> 8) as u8);
+  out1[0] = x9;
+  out1[1] = x11;
+  out1[2] = x13;
+  out1[3] = x14;
+  out1[4] = x15;
+  out1[5] = x17;
+  out1[6] = x19;
+  out1[7] = x20;
+  out1[8] = x21;
+  out1[9] = x23;
+  out1[10] = x25;
+  out1[11] = x26;
+  out1[12] = x27;
+  out1[13] = x29;
+  out1[14] = x31;
+  out1[15] = x32;
+  out1[16] = x33;
+  out1[17] = x35;
+  out1[18] = x37;
+  out1[19] = x38;
+  out1[20] = x39;
+  out1[21] = x41;
+  out1[22] = x43;
+  out1[23] = x44;
+  out1[24] = x45;
+  out1[25] = x47;
+  out1[26] = x49;
+  out1[27] = x50;
+  out1[28] = x51;
+  out1[29] = x53;
+  out1[30] = x55;
+  out1[31] = x56;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_from_bytes deserializes a field element NOT in the Montgomery domain from bytes in little-endian order.
+///
+/// Preconditions:
+///   0 ≤ bytes_eval arg1 < m
+/// Postconditions:
+///   eval out1 mod m = bytes_eval arg1 mod m
+///   0 ≤ eval out1 < m
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_from_bytes(out1: &mut [u32; 8], arg1: &[u8; 32]) -> () {
+  let x1: u32 = (((arg1[31]) as u32) << 24);
+  let x2: u32 = (((arg1[30]) as u32) << 16);
+  let x3: u32 = (((arg1[29]) as u32) << 8);
+  let x4: u8 = (arg1[28]);
+  let x5: u32 = (((arg1[27]) as u32) << 24);
+  let x6: u32 = (((arg1[26]) as u32) << 16);
+  let x7: u32 = (((arg1[25]) as u32) << 8);
+  let x8: u8 = (arg1[24]);
+  let x9: u32 = (((arg1[23]) as u32) << 24);
+  let x10: u32 = (((arg1[22]) as u32) << 16);
+  let x11: u32 = (((arg1[21]) as u32) << 8);
+  let x12: u8 = (arg1[20]);
+  let x13: u32 = (((arg1[19]) as u32) << 24);
+  let x14: u32 = (((arg1[18]) as u32) << 16);
+  let x15: u32 = (((arg1[17]) as u32) << 8);
+  let x16: u8 = (arg1[16]);
+  let x17: u32 = (((arg1[15]) as u32) << 24);
+  let x18: u32 = (((arg1[14]) as u32) << 16);
+  let x19: u32 = (((arg1[13]) as u32) << 8);
+  let x20: u8 = (arg1[12]);
+  let x21: u32 = (((arg1[11]) as u32) << 24);
+  let x22: u32 = (((arg1[10]) as u32) << 16);
+  let x23: u32 = (((arg1[9]) as u32) << 8);
+  let x24: u8 = (arg1[8]);
+  let x25: u32 = (((arg1[7]) as u32) << 24);
+  let x26: u32 = (((arg1[6]) as u32) << 16);
+  let x27: u32 = (((arg1[5]) as u32) << 8);
+  let x28: u8 = (arg1[4]);
+  let x29: u32 = (((arg1[3]) as u32) << 24);
+  let x30: u32 = (((arg1[2]) as u32) << 16);
+  let x31: u32 = (((arg1[1]) as u32) << 8);
+  let x32: u8 = (arg1[0]);
+  let x33: u32 = (x31 + (x32 as u32));
+  let x34: u32 = (x30 + x33);
+  let x35: u32 = (x29 + x34);
+  let x36: u32 = (x27 + (x28 as u32));
+  let x37: u32 = (x26 + x36);
+  let x38: u32 = (x25 + x37);
+  let x39: u32 = (x23 + (x24 as u32));
+  let x40: u32 = (x22 + x39);
+  let x41: u32 = (x21 + x40);
+  let x42: u32 = (x19 + (x20 as u32));
+  let x43: u32 = (x18 + x42);
+  let x44: u32 = (x17 + x43);
+  let x45: u32 = (x15 + (x16 as u32));
+  let x46: u32 = (x14 + x45);
+  let x47: u32 = (x13 + x46);
+  let x48: u32 = (x11 + (x12 as u32));
+  let x49: u32 = (x10 + x48);
+  let x50: u32 = (x9 + x49);
+  let x51: u32 = (x7 + (x8 as u32));
+  let x52: u32 = (x6 + x51);
+  let x53: u32 = (x5 + x52);
+  let x54: u32 = (x3 + (x4 as u32));
+  let x55: u32 = (x2 + x54);
+  let x56: u32 = (x1 + x55);
+  out1[0] = x35;
+  out1[1] = x38;
+  out1[2] = x41;
+  out1[3] = x44;
+  out1[4] = x47;
+  out1[5] = x50;
+  out1[6] = x53;
+  out1[7] = x56;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_set_one returns the field element one in the Montgomery domain.
+///
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = 1 mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_set_one(out1: &mut fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element) -> () {
+  out1[0] = 0x2fc9bebf;
+  out1[1] = 0x402da173;
+  out1[2] = 0x50b75fc4;
+  out1[3] = 0x45512319;
+  out1[4] = (0x1 as u32);
+  out1[5] = (0x0 as u32);
+  out1[6] = (0x0 as u32);
+  out1[7] = (0x0 as u32);
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_msat returns the saturated representation of the prime modulus.
+///
+/// Postconditions:
+///   twos_complement_eval out1 = m
+///   0 ≤ eval out1 < m
+///
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_msat(out1: &mut [u32; 9]) -> () {
+  out1[0] = 0xd0364141;
+  out1[1] = 0xbfd25e8c;
+  out1[2] = 0xaf48a03b;
+  out1[3] = 0xbaaedce6;
+  out1[4] = 0xfffffffe;
+  out1[5] = 0xffffffff;
+  out1[6] = 0xffffffff;
+  out1[7] = 0xffffffff;
+  out1[8] = (0x0 as u32);
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_divstep computes a divstep.
+///
+/// Preconditions:
+///   0 ≤ eval arg4 < m
+///   0 ≤ eval arg5 < m
+/// Postconditions:
+///   out1 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then 1 - arg1 else 1 + arg1)
+///   twos_complement_eval out2 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then twos_complement_eval arg3 else twos_complement_eval arg2)
+///   twos_complement_eval out3 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then ⌊(twos_complement_eval arg3 - twos_complement_eval arg2) / 2⌋ else ⌊(twos_complement_eval arg3 + (twos_complement_eval arg3 mod 2) * twos_complement_eval arg2) / 2⌋)
+///   eval (from_montgomery out4) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (2 * eval (from_montgomery arg5)) mod m else (2 * eval (from_montgomery arg4)) mod m)
+///   eval (from_montgomery out5) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (eval (from_montgomery arg4) - eval (from_montgomery arg4)) mod m else (eval (from_montgomery arg5) + (twos_complement_eval arg3 mod 2) * eval (from_montgomery arg4)) mod m)
+///   0 ≤ eval out5 < m
+///   0 ≤ eval out5 < m
+///   0 ≤ eval out2 < m
+///   0 ≤ eval out3 < m
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0xffffffff]
+///   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+///   arg3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+///   arg4: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+///   arg5: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffff]
+///   out2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+///   out3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+///   out4: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+///   out5: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_divstep(out1: &mut u32, out2: &mut [u32; 9], out3: &mut [u32; 9], out4: &mut [u32; 8], out5: &mut [u32; 8], arg1: u32, arg2: &[u32; 9], arg3: &[u32; 9], arg4: &[u32; 8], arg5: &[u32; 8]) -> () {
+  let mut x1: u32 = 0;
+  let mut x2: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x1, &mut x2, 0x0, (!arg1), (0x1 as u32));
+  let x3: fiat_secp256k1_montgomery_scalar_u1 = (((x1 >> 31) as fiat_secp256k1_montgomery_scalar_u1) & (((arg3[0]) & (0x1 as u32)) as fiat_secp256k1_montgomery_scalar_u1));
+  let mut x4: u32 = 0;
+  let mut x5: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x4, &mut x5, 0x0, (!arg1), (0x1 as u32));
+  let mut x6: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x6, x3, arg1, x4);
+  let mut x7: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x7, x3, (arg2[0]), (arg3[0]));
+  let mut x8: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x8, x3, (arg2[1]), (arg3[1]));
+  let mut x9: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x9, x3, (arg2[2]), (arg3[2]));
+  let mut x10: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x10, x3, (arg2[3]), (arg3[3]));
+  let mut x11: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x11, x3, (arg2[4]), (arg3[4]));
+  let mut x12: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x12, x3, (arg2[5]), (arg3[5]));
+  let mut x13: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x13, x3, (arg2[6]), (arg3[6]));
+  let mut x14: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x14, x3, (arg2[7]), (arg3[7]));
+  let mut x15: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x15, x3, (arg2[8]), (arg3[8]));
+  let mut x16: u32 = 0;
+  let mut x17: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x16, &mut x17, 0x0, (0x1 as u32), (!(arg2[0])));
+  let mut x18: u32 = 0;
+  let mut x19: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x18, &mut x19, x17, (0x0 as u32), (!(arg2[1])));
+  let mut x20: u32 = 0;
+  let mut x21: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x20, &mut x21, x19, (0x0 as u32), (!(arg2[2])));
+  let mut x22: u32 = 0;
+  let mut x23: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x22, &mut x23, x21, (0x0 as u32), (!(arg2[3])));
+  let mut x24: u32 = 0;
+  let mut x25: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x24, &mut x25, x23, (0x0 as u32), (!(arg2[4])));
+  let mut x26: u32 = 0;
+  let mut x27: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x26, &mut x27, x25, (0x0 as u32), (!(arg2[5])));
+  let mut x28: u32 = 0;
+  let mut x29: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x28, &mut x29, x27, (0x0 as u32), (!(arg2[6])));
+  let mut x30: u32 = 0;
+  let mut x31: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x30, &mut x31, x29, (0x0 as u32), (!(arg2[7])));
+  let mut x32: u32 = 0;
+  let mut x33: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x32, &mut x33, x31, (0x0 as u32), (!(arg2[8])));
+  let mut x34: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x34, x3, (arg3[0]), x16);
+  let mut x35: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x35, x3, (arg3[1]), x18);
+  let mut x36: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x36, x3, (arg3[2]), x20);
+  let mut x37: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x37, x3, (arg3[3]), x22);
+  let mut x38: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x38, x3, (arg3[4]), x24);
+  let mut x39: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x39, x3, (arg3[5]), x26);
+  let mut x40: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x40, x3, (arg3[6]), x28);
+  let mut x41: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x41, x3, (arg3[7]), x30);
+  let mut x42: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x42, x3, (arg3[8]), x32);
+  let mut x43: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x43, x3, (arg4[0]), (arg5[0]));
+  let mut x44: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x44, x3, (arg4[1]), (arg5[1]));
+  let mut x45: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x45, x3, (arg4[2]), (arg5[2]));
+  let mut x46: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x46, x3, (arg4[3]), (arg5[3]));
+  let mut x47: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x47, x3, (arg4[4]), (arg5[4]));
+  let mut x48: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x48, x3, (arg4[5]), (arg5[5]));
+  let mut x49: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x49, x3, (arg4[6]), (arg5[6]));
+  let mut x50: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x50, x3, (arg4[7]), (arg5[7]));
+  let mut x51: u32 = 0;
+  let mut x52: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x51, &mut x52, 0x0, x43, x43);
+  let mut x53: u32 = 0;
+  let mut x54: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x53, &mut x54, x52, x44, x44);
+  let mut x55: u32 = 0;
+  let mut x56: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x55, &mut x56, x54, x45, x45);
+  let mut x57: u32 = 0;
+  let mut x58: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x57, &mut x58, x56, x46, x46);
+  let mut x59: u32 = 0;
+  let mut x60: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x59, &mut x60, x58, x47, x47);
+  let mut x61: u32 = 0;
+  let mut x62: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x61, &mut x62, x60, x48, x48);
+  let mut x63: u32 = 0;
+  let mut x64: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x63, &mut x64, x62, x49, x49);
+  let mut x65: u32 = 0;
+  let mut x66: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x65, &mut x66, x64, x50, x50);
+  let mut x67: u32 = 0;
+  let mut x68: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x67, &mut x68, 0x0, x51, 0xd0364141);
+  let mut x69: u32 = 0;
+  let mut x70: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x69, &mut x70, x68, x53, 0xbfd25e8c);
+  let mut x71: u32 = 0;
+  let mut x72: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x71, &mut x72, x70, x55, 0xaf48a03b);
+  let mut x73: u32 = 0;
+  let mut x74: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x73, &mut x74, x72, x57, 0xbaaedce6);
+  let mut x75: u32 = 0;
+  let mut x76: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x75, &mut x76, x74, x59, 0xfffffffe);
+  let mut x77: u32 = 0;
+  let mut x78: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x77, &mut x78, x76, x61, 0xffffffff);
+  let mut x79: u32 = 0;
+  let mut x80: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x79, &mut x80, x78, x63, 0xffffffff);
+  let mut x81: u32 = 0;
+  let mut x82: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x81, &mut x82, x80, x65, 0xffffffff);
+  let mut x83: u32 = 0;
+  let mut x84: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x83, &mut x84, x82, (x66 as u32), (0x0 as u32));
+  let x85: u32 = (arg4[7]);
+  let x86: u32 = (arg4[6]);
+  let x87: u32 = (arg4[5]);
+  let x88: u32 = (arg4[4]);
+  let x89: u32 = (arg4[3]);
+  let x90: u32 = (arg4[2]);
+  let x91: u32 = (arg4[1]);
+  let x92: u32 = (arg4[0]);
+  let mut x93: u32 = 0;
+  let mut x94: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x93, &mut x94, 0x0, (0x0 as u32), x92);
+  let mut x95: u32 = 0;
+  let mut x96: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x95, &mut x96, x94, (0x0 as u32), x91);
+  let mut x97: u32 = 0;
+  let mut x98: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x97, &mut x98, x96, (0x0 as u32), x90);
+  let mut x99: u32 = 0;
+  let mut x100: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x99, &mut x100, x98, (0x0 as u32), x89);
+  let mut x101: u32 = 0;
+  let mut x102: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x101, &mut x102, x100, (0x0 as u32), x88);
+  let mut x103: u32 = 0;
+  let mut x104: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x103, &mut x104, x102, (0x0 as u32), x87);
+  let mut x105: u32 = 0;
+  let mut x106: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x105, &mut x106, x104, (0x0 as u32), x86);
+  let mut x107: u32 = 0;
+  let mut x108: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x107, &mut x108, x106, (0x0 as u32), x85);
+  let mut x109: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x109, x108, (0x0 as u32), 0xffffffff);
+  let mut x110: u32 = 0;
+  let mut x111: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x110, &mut x111, 0x0, x93, (x109 & 0xd0364141));
+  let mut x112: u32 = 0;
+  let mut x113: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x112, &mut x113, x111, x95, (x109 & 0xbfd25e8c));
+  let mut x114: u32 = 0;
+  let mut x115: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x114, &mut x115, x113, x97, (x109 & 0xaf48a03b));
+  let mut x116: u32 = 0;
+  let mut x117: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x116, &mut x117, x115, x99, (x109 & 0xbaaedce6));
+  let mut x118: u32 = 0;
+  let mut x119: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x118, &mut x119, x117, x101, (x109 & 0xfffffffe));
+  let mut x120: u32 = 0;
+  let mut x121: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x120, &mut x121, x119, x103, x109);
+  let mut x122: u32 = 0;
+  let mut x123: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x122, &mut x123, x121, x105, x109);
+  let mut x124: u32 = 0;
+  let mut x125: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x124, &mut x125, x123, x107, x109);
+  let mut x126: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x126, x3, (arg5[0]), x110);
+  let mut x127: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x127, x3, (arg5[1]), x112);
+  let mut x128: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x128, x3, (arg5[2]), x114);
+  let mut x129: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x129, x3, (arg5[3]), x116);
+  let mut x130: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x130, x3, (arg5[4]), x118);
+  let mut x131: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x131, x3, (arg5[5]), x120);
+  let mut x132: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x132, x3, (arg5[6]), x122);
+  let mut x133: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x133, x3, (arg5[7]), x124);
+  let x134: fiat_secp256k1_montgomery_scalar_u1 = ((x34 & (0x1 as u32)) as fiat_secp256k1_montgomery_scalar_u1);
+  let mut x135: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x135, x134, (0x0 as u32), x7);
+  let mut x136: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x136, x134, (0x0 as u32), x8);
+  let mut x137: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x137, x134, (0x0 as u32), x9);
+  let mut x138: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x138, x134, (0x0 as u32), x10);
+  let mut x139: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x139, x134, (0x0 as u32), x11);
+  let mut x140: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x140, x134, (0x0 as u32), x12);
+  let mut x141: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x141, x134, (0x0 as u32), x13);
+  let mut x142: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x142, x134, (0x0 as u32), x14);
+  let mut x143: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x143, x134, (0x0 as u32), x15);
+  let mut x144: u32 = 0;
+  let mut x145: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x144, &mut x145, 0x0, x34, x135);
+  let mut x146: u32 = 0;
+  let mut x147: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x146, &mut x147, x145, x35, x136);
+  let mut x148: u32 = 0;
+  let mut x149: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x148, &mut x149, x147, x36, x137);
+  let mut x150: u32 = 0;
+  let mut x151: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x150, &mut x151, x149, x37, x138);
+  let mut x152: u32 = 0;
+  let mut x153: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x152, &mut x153, x151, x38, x139);
+  let mut x154: u32 = 0;
+  let mut x155: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x154, &mut x155, x153, x39, x140);
+  let mut x156: u32 = 0;
+  let mut x157: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x156, &mut x157, x155, x40, x141);
+  let mut x158: u32 = 0;
+  let mut x159: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x158, &mut x159, x157, x41, x142);
+  let mut x160: u32 = 0;
+  let mut x161: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x160, &mut x161, x159, x42, x143);
+  let mut x162: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x162, x134, (0x0 as u32), x43);
+  let mut x163: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x163, x134, (0x0 as u32), x44);
+  let mut x164: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x164, x134, (0x0 as u32), x45);
+  let mut x165: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x165, x134, (0x0 as u32), x46);
+  let mut x166: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x166, x134, (0x0 as u32), x47);
+  let mut x167: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x167, x134, (0x0 as u32), x48);
+  let mut x168: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x168, x134, (0x0 as u32), x49);
+  let mut x169: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x169, x134, (0x0 as u32), x50);
+  let mut x170: u32 = 0;
+  let mut x171: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x170, &mut x171, 0x0, x126, x162);
+  let mut x172: u32 = 0;
+  let mut x173: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x172, &mut x173, x171, x127, x163);
+  let mut x174: u32 = 0;
+  let mut x175: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x174, &mut x175, x173, x128, x164);
+  let mut x176: u32 = 0;
+  let mut x177: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x176, &mut x177, x175, x129, x165);
+  let mut x178: u32 = 0;
+  let mut x179: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x178, &mut x179, x177, x130, x166);
+  let mut x180: u32 = 0;
+  let mut x181: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x180, &mut x181, x179, x131, x167);
+  let mut x182: u32 = 0;
+  let mut x183: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x182, &mut x183, x181, x132, x168);
+  let mut x184: u32 = 0;
+  let mut x185: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x184, &mut x185, x183, x133, x169);
+  let mut x186: u32 = 0;
+  let mut x187: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x186, &mut x187, 0x0, x170, 0xd0364141);
+  let mut x188: u32 = 0;
+  let mut x189: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x188, &mut x189, x187, x172, 0xbfd25e8c);
+  let mut x190: u32 = 0;
+  let mut x191: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x190, &mut x191, x189, x174, 0xaf48a03b);
+  let mut x192: u32 = 0;
+  let mut x193: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x192, &mut x193, x191, x176, 0xbaaedce6);
+  let mut x194: u32 = 0;
+  let mut x195: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x194, &mut x195, x193, x178, 0xfffffffe);
+  let mut x196: u32 = 0;
+  let mut x197: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x196, &mut x197, x195, x180, 0xffffffff);
+  let mut x198: u32 = 0;
+  let mut x199: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x198, &mut x199, x197, x182, 0xffffffff);
+  let mut x200: u32 = 0;
+  let mut x201: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x200, &mut x201, x199, x184, 0xffffffff);
+  let mut x202: u32 = 0;
+  let mut x203: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u32(&mut x202, &mut x203, x201, (x185 as u32), (0x0 as u32));
+  let mut x204: u32 = 0;
+  let mut x205: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u32(&mut x204, &mut x205, 0x0, x6, (0x1 as u32));
+  let x206: u32 = ((x144 >> 1) | ((x146 << 31) & 0xffffffff));
+  let x207: u32 = ((x146 >> 1) | ((x148 << 31) & 0xffffffff));
+  let x208: u32 = ((x148 >> 1) | ((x150 << 31) & 0xffffffff));
+  let x209: u32 = ((x150 >> 1) | ((x152 << 31) & 0xffffffff));
+  let x210: u32 = ((x152 >> 1) | ((x154 << 31) & 0xffffffff));
+  let x211: u32 = ((x154 >> 1) | ((x156 << 31) & 0xffffffff));
+  let x212: u32 = ((x156 >> 1) | ((x158 << 31) & 0xffffffff));
+  let x213: u32 = ((x158 >> 1) | ((x160 << 31) & 0xffffffff));
+  let x214: u32 = ((x160 & 0x80000000) | (x160 >> 1));
+  let mut x215: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x215, x84, x67, x51);
+  let mut x216: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x216, x84, x69, x53);
+  let mut x217: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x217, x84, x71, x55);
+  let mut x218: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x218, x84, x73, x57);
+  let mut x219: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x219, x84, x75, x59);
+  let mut x220: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x220, x84, x77, x61);
+  let mut x221: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x221, x84, x79, x63);
+  let mut x222: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x222, x84, x81, x65);
+  let mut x223: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x223, x203, x186, x170);
+  let mut x224: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x224, x203, x188, x172);
+  let mut x225: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x225, x203, x190, x174);
+  let mut x226: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x226, x203, x192, x176);
+  let mut x227: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x227, x203, x194, x178);
+  let mut x228: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x228, x203, x196, x180);
+  let mut x229: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x229, x203, x198, x182);
+  let mut x230: u32 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u32(&mut x230, x203, x200, x184);
+  *out1 = x204;
+  out2[0] = x7;
+  out2[1] = x8;
+  out2[2] = x9;
+  out2[3] = x10;
+  out2[4] = x11;
+  out2[5] = x12;
+  out2[6] = x13;
+  out2[7] = x14;
+  out2[8] = x15;
+  out3[0] = x206;
+  out3[1] = x207;
+  out3[2] = x208;
+  out3[3] = x209;
+  out3[4] = x210;
+  out3[5] = x211;
+  out3[6] = x212;
+  out3[7] = x213;
+  out3[8] = x214;
+  out4[0] = x215;
+  out4[1] = x216;
+  out4[2] = x217;
+  out4[3] = x218;
+  out4[4] = x219;
+  out4[5] = x220;
+  out4[6] = x221;
+  out4[7] = x222;
+  out5[0] = x223;
+  out5[1] = x224;
+  out5[2] = x225;
+  out5[3] = x226;
+  out5[4] = x227;
+  out5[5] = x228;
+  out5[6] = x229;
+  out5[7] = x230;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_divstep_precomp returns the precomputed value for Bernstein-Yang-inversion (in montgomery form).
+///
+/// Postconditions:
+///   eval (from_montgomery out1) = ⌊(m - 1) / 2⌋^(if ⌊log2 m⌋ + 1 < 46 then ⌊(49 * (⌊log2 m⌋ + 1) + 80) / 17⌋ else ⌊(49 * (⌊log2 m⌋ + 1) + 57) / 17⌋)
+///   0 ≤ eval out1 < m
+///
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_divstep_precomp(out1: &mut [u32; 8]) -> () {
+  out1[0] = 0x2b9cb4e9;
+  out1[1] = 0xd7431a4d;
+  out1[2] = 0x32d9c503;
+  out1[3] = 0xab67d35a;
+  out1[4] = 0x859ce35f;
+  out1[5] = 0xadf6c7e5;
+  out1[6] = 0x1df6c379;
+  out1[7] = 0x61544145;
+}
diff --git a/vendor/fiat-crypto/src/secp256k1_montgomery_scalar_64.rs b/vendor/fiat-crypto/src/secp256k1_montgomery_scalar_64.rs
new file mode 100644
index 000000000..98f6bfde4
--- /dev/null
+++ b/vendor/fiat-crypto/src/secp256k1_montgomery_scalar_64.rs
@@ -0,0 +1,2017 @@
+//! Autogenerated: 'src/ExtractionOCaml/word_by_word_montgomery' --lang Rust --inline secp256k1_montgomery_scalar 64 '2^256 - 432420386565659656852420866394968145599' mul square add sub opp from_montgomery to_montgomery nonzero selectznz to_bytes from_bytes one msat divstep divstep_precomp
+//! curve description: secp256k1_montgomery_scalar
+//! machine_wordsize = 64 (from "64")
+//! requested operations: mul, square, add, sub, opp, from_montgomery, to_montgomery, nonzero, selectznz, to_bytes, from_bytes, one, msat, divstep, divstep_precomp
+//! m = 0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141 (from "2^256 - 432420386565659656852420866394968145599")
+//!
+//! NOTE: In addition to the bounds specified above each function, all
+//!   functions synthesized for this Montgomery arithmetic require the
+//!   input to be strictly less than the prime modulus (m), and also
+//!   require the input to be in the unique saturated representation.
+//!   All functions also ensure that these two properties are true of
+//!   return values.
+//!
+//! Computed values:
+//!   eval z = z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192)
+//!   bytes_eval z = z[0] + (z[1] << 8) + (z[2] << 16) + (z[3] << 24) + (z[4] << 32) + (z[5] << 40) + (z[6] << 48) + (z[7] << 56) + (z[8] << 64) + (z[9] << 72) + (z[10] << 80) + (z[11] << 88) + (z[12] << 96) + (z[13] << 104) + (z[14] << 112) + (z[15] << 120) + (z[16] << 128) + (z[17] << 136) + (z[18] << 144) + (z[19] << 152) + (z[20] << 160) + (z[21] << 168) + (z[22] << 176) + (z[23] << 184) + (z[24] << 192) + (z[25] << 200) + (z[26] << 208) + (z[27] << 216) + (z[28] << 224) + (z[29] << 232) + (z[30] << 240) + (z[31] << 248)
+//!   twos_complement_eval z = let x1 := z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192) in
+//!                            if x1 & (2^256-1) < 2^255 then x1 & (2^256-1) else (x1 & (2^256-1)) - 2^256
+
+#![allow(unused_parens)]
+#![allow(non_camel_case_types)]
+
+pub type fiat_secp256k1_montgomery_scalar_u1 = u8;
+pub type fiat_secp256k1_montgomery_scalar_i1 = i8;
+pub type fiat_secp256k1_montgomery_scalar_u2 = u8;
+pub type fiat_secp256k1_montgomery_scalar_i2 = i8;
+
+/* The type fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element is a field element in the Montgomery domain. */
+/* Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]] */
+pub type fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element = [u64; 4];
+
+/* The type fiat_secp256k1_montgomery_scalar_non_montgomery_domain_field_element is a field element NOT in the Montgomery domain. */
+/* Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]] */
+pub type fiat_secp256k1_montgomery_scalar_non_montgomery_domain_field_element = [u64; 4];
+
+
+/// The function fiat_secp256k1_montgomery_scalar_addcarryx_u64 is an addition with carry.
+///
+/// Postconditions:
+///   out1 = (arg1 + arg2 + arg3) mod 2^64
+///   out2 = ⌊(arg1 + arg2 + arg3) / 2^64⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffffffffffff]
+///   arg3: [0x0 ~> 0xffffffffffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+///   out2: [0x0 ~> 0x1]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_addcarryx_u64(out1: &mut u64, out2: &mut fiat_secp256k1_montgomery_scalar_u1, arg1: fiat_secp256k1_montgomery_scalar_u1, arg2: u64, arg3: u64) -> () {
+  let x1: u128 = (((arg1 as u128) + (arg2 as u128)) + (arg3 as u128));
+  let x2: u64 = ((x1 & (0xffffffffffffffff as u128)) as u64);
+  let x3: fiat_secp256k1_montgomery_scalar_u1 = ((x1 >> 64) as fiat_secp256k1_montgomery_scalar_u1);
+  *out1 = x2;
+  *out2 = x3;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_subborrowx_u64 is a subtraction with borrow.
+///
+/// Postconditions:
+///   out1 = (-arg1 + arg2 + -arg3) mod 2^64
+///   out2 = -⌊(-arg1 + arg2 + -arg3) / 2^64⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffffffffffff]
+///   arg3: [0x0 ~> 0xffffffffffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+///   out2: [0x0 ~> 0x1]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_subborrowx_u64(out1: &mut u64, out2: &mut fiat_secp256k1_montgomery_scalar_u1, arg1: fiat_secp256k1_montgomery_scalar_u1, arg2: u64, arg3: u64) -> () {
+  let x1: i128 = (((arg2 as i128) - (arg1 as i128)) - (arg3 as i128));
+  let x2: fiat_secp256k1_montgomery_scalar_i1 = ((x1 >> 64) as fiat_secp256k1_montgomery_scalar_i1);
+  let x3: u64 = ((x1 & (0xffffffffffffffff as i128)) as u64);
+  *out1 = x3;
+  *out2 = (((0x0 as fiat_secp256k1_montgomery_scalar_i2) - (x2 as fiat_secp256k1_montgomery_scalar_i2)) as fiat_secp256k1_montgomery_scalar_u1);
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_mulx_u64 is a multiplication, returning the full double-width result.
+///
+/// Postconditions:
+///   out1 = (arg1 * arg2) mod 2^64
+///   out2 = ⌊arg1 * arg2 / 2^64⌋
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0xffffffffffffffff]
+///   arg2: [0x0 ~> 0xffffffffffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+///   out2: [0x0 ~> 0xffffffffffffffff]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_mulx_u64(out1: &mut u64, out2: &mut u64, arg1: u64, arg2: u64) -> () {
+  let x1: u128 = ((arg1 as u128) * (arg2 as u128));
+  let x2: u64 = ((x1 & (0xffffffffffffffff as u128)) as u64);
+  let x3: u64 = ((x1 >> 64) as u64);
+  *out1 = x2;
+  *out2 = x3;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_cmovznz_u64 is a single-word conditional move.
+///
+/// Postconditions:
+///   out1 = (if arg1 = 0 then arg2 else arg3)
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [0x0 ~> 0xffffffffffffffff]
+///   arg3: [0x0 ~> 0xffffffffffffffff]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_cmovznz_u64(out1: &mut u64, arg1: fiat_secp256k1_montgomery_scalar_u1, arg2: u64, arg3: u64) -> () {
+  let x1: fiat_secp256k1_montgomery_scalar_u1 = (!(!arg1));
+  let x2: u64 = ((((((0x0 as fiat_secp256k1_montgomery_scalar_i2) - (x1 as fiat_secp256k1_montgomery_scalar_i2)) as fiat_secp256k1_montgomery_scalar_i1) as i128) & (0xffffffffffffffff as i128)) as u64);
+  let x3: u64 = ((x2 & arg3) | ((!x2) & arg2));
+  *out1 = x3;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_mul multiplies two field elements in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+///   0 ≤ eval arg2 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_mul(out1: &mut fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element) -> () {
+  let x1: u64 = (arg1[1]);
+  let x2: u64 = (arg1[2]);
+  let x3: u64 = (arg1[3]);
+  let x4: u64 = (arg1[0]);
+  let mut x5: u64 = 0;
+  let mut x6: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x5, &mut x6, x4, (arg2[3]));
+  let mut x7: u64 = 0;
+  let mut x8: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x7, &mut x8, x4, (arg2[2]));
+  let mut x9: u64 = 0;
+  let mut x10: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x9, &mut x10, x4, (arg2[1]));
+  let mut x11: u64 = 0;
+  let mut x12: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x11, &mut x12, x4, (arg2[0]));
+  let mut x13: u64 = 0;
+  let mut x14: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x13, &mut x14, 0x0, x12, x9);
+  let mut x15: u64 = 0;
+  let mut x16: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x15, &mut x16, x14, x10, x7);
+  let mut x17: u64 = 0;
+  let mut x18: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x17, &mut x18, x16, x8, x5);
+  let x19: u64 = ((x18 as u64) + x6);
+  let mut x20: u64 = 0;
+  let mut x21: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x20, &mut x21, x11, 0x4b0dff665588b13f);
+  let mut x22: u64 = 0;
+  let mut x23: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x22, &mut x23, x20, 0xffffffffffffffff);
+  let mut x24: u64 = 0;
+  let mut x25: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x24, &mut x25, x20, 0xfffffffffffffffe);
+  let mut x26: u64 = 0;
+  let mut x27: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x26, &mut x27, x20, 0xbaaedce6af48a03b);
+  let mut x28: u64 = 0;
+  let mut x29: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x28, &mut x29, x20, 0xbfd25e8cd0364141);
+  let mut x30: u64 = 0;
+  let mut x31: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x30, &mut x31, 0x0, x29, x26);
+  let mut x32: u64 = 0;
+  let mut x33: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x32, &mut x33, x31, x27, x24);
+  let mut x34: u64 = 0;
+  let mut x35: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x34, &mut x35, x33, x25, x22);
+  let x36: u64 = ((x35 as u64) + x23);
+  let mut x37: u64 = 0;
+  let mut x38: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x37, &mut x38, 0x0, x11, x28);
+  let mut x39: u64 = 0;
+  let mut x40: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x39, &mut x40, x38, x13, x30);
+  let mut x41: u64 = 0;
+  let mut x42: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x41, &mut x42, x40, x15, x32);
+  let mut x43: u64 = 0;
+  let mut x44: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x43, &mut x44, x42, x17, x34);
+  let mut x45: u64 = 0;
+  let mut x46: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x45, &mut x46, x44, x19, x36);
+  let mut x47: u64 = 0;
+  let mut x48: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x47, &mut x48, x1, (arg2[3]));
+  let mut x49: u64 = 0;
+  let mut x50: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x49, &mut x50, x1, (arg2[2]));
+  let mut x51: u64 = 0;
+  let mut x52: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x51, &mut x52, x1, (arg2[1]));
+  let mut x53: u64 = 0;
+  let mut x54: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x53, &mut x54, x1, (arg2[0]));
+  let mut x55: u64 = 0;
+  let mut x56: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x55, &mut x56, 0x0, x54, x51);
+  let mut x57: u64 = 0;
+  let mut x58: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x57, &mut x58, x56, x52, x49);
+  let mut x59: u64 = 0;
+  let mut x60: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x59, &mut x60, x58, x50, x47);
+  let x61: u64 = ((x60 as u64) + x48);
+  let mut x62: u64 = 0;
+  let mut x63: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x62, &mut x63, 0x0, x39, x53);
+  let mut x64: u64 = 0;
+  let mut x65: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x64, &mut x65, x63, x41, x55);
+  let mut x66: u64 = 0;
+  let mut x67: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x66, &mut x67, x65, x43, x57);
+  let mut x68: u64 = 0;
+  let mut x69: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x68, &mut x69, x67, x45, x59);
+  let mut x70: u64 = 0;
+  let mut x71: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x70, &mut x71, x69, (x46 as u64), x61);
+  let mut x72: u64 = 0;
+  let mut x73: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x72, &mut x73, x62, 0x4b0dff665588b13f);
+  let mut x74: u64 = 0;
+  let mut x75: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x74, &mut x75, x72, 0xffffffffffffffff);
+  let mut x76: u64 = 0;
+  let mut x77: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x76, &mut x77, x72, 0xfffffffffffffffe);
+  let mut x78: u64 = 0;
+  let mut x79: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x78, &mut x79, x72, 0xbaaedce6af48a03b);
+  let mut x80: u64 = 0;
+  let mut x81: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x80, &mut x81, x72, 0xbfd25e8cd0364141);
+  let mut x82: u64 = 0;
+  let mut x83: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x82, &mut x83, 0x0, x81, x78);
+  let mut x84: u64 = 0;
+  let mut x85: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x84, &mut x85, x83, x79, x76);
+  let mut x86: u64 = 0;
+  let mut x87: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x86, &mut x87, x85, x77, x74);
+  let x88: u64 = ((x87 as u64) + x75);
+  let mut x89: u64 = 0;
+  let mut x90: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x89, &mut x90, 0x0, x62, x80);
+  let mut x91: u64 = 0;
+  let mut x92: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x91, &mut x92, x90, x64, x82);
+  let mut x93: u64 = 0;
+  let mut x94: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x93, &mut x94, x92, x66, x84);
+  let mut x95: u64 = 0;
+  let mut x96: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x95, &mut x96, x94, x68, x86);
+  let mut x97: u64 = 0;
+  let mut x98: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x97, &mut x98, x96, x70, x88);
+  let x99: u64 = ((x98 as u64) + (x71 as u64));
+  let mut x100: u64 = 0;
+  let mut x101: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x100, &mut x101, x2, (arg2[3]));
+  let mut x102: u64 = 0;
+  let mut x103: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x102, &mut x103, x2, (arg2[2]));
+  let mut x104: u64 = 0;
+  let mut x105: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x104, &mut x105, x2, (arg2[1]));
+  let mut x106: u64 = 0;
+  let mut x107: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x106, &mut x107, x2, (arg2[0]));
+  let mut x108: u64 = 0;
+  let mut x109: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x108, &mut x109, 0x0, x107, x104);
+  let mut x110: u64 = 0;
+  let mut x111: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x110, &mut x111, x109, x105, x102);
+  let mut x112: u64 = 0;
+  let mut x113: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x112, &mut x113, x111, x103, x100);
+  let x114: u64 = ((x113 as u64) + x101);
+  let mut x115: u64 = 0;
+  let mut x116: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x115, &mut x116, 0x0, x91, x106);
+  let mut x117: u64 = 0;
+  let mut x118: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x117, &mut x118, x116, x93, x108);
+  let mut x119: u64 = 0;
+  let mut x120: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x119, &mut x120, x118, x95, x110);
+  let mut x121: u64 = 0;
+  let mut x122: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x121, &mut x122, x120, x97, x112);
+  let mut x123: u64 = 0;
+  let mut x124: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x123, &mut x124, x122, x99, x114);
+  let mut x125: u64 = 0;
+  let mut x126: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x125, &mut x126, x115, 0x4b0dff665588b13f);
+  let mut x127: u64 = 0;
+  let mut x128: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x127, &mut x128, x125, 0xffffffffffffffff);
+  let mut x129: u64 = 0;
+  let mut x130: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x129, &mut x130, x125, 0xfffffffffffffffe);
+  let mut x131: u64 = 0;
+  let mut x132: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x131, &mut x132, x125, 0xbaaedce6af48a03b);
+  let mut x133: u64 = 0;
+  let mut x134: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x133, &mut x134, x125, 0xbfd25e8cd0364141);
+  let mut x135: u64 = 0;
+  let mut x136: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x135, &mut x136, 0x0, x134, x131);
+  let mut x137: u64 = 0;
+  let mut x138: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x137, &mut x138, x136, x132, x129);
+  let mut x139: u64 = 0;
+  let mut x140: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x139, &mut x140, x138, x130, x127);
+  let x141: u64 = ((x140 as u64) + x128);
+  let mut x142: u64 = 0;
+  let mut x143: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x142, &mut x143, 0x0, x115, x133);
+  let mut x144: u64 = 0;
+  let mut x145: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x144, &mut x145, x143, x117, x135);
+  let mut x146: u64 = 0;
+  let mut x147: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x146, &mut x147, x145, x119, x137);
+  let mut x148: u64 = 0;
+  let mut x149: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x148, &mut x149, x147, x121, x139);
+  let mut x150: u64 = 0;
+  let mut x151: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x150, &mut x151, x149, x123, x141);
+  let x152: u64 = ((x151 as u64) + (x124 as u64));
+  let mut x153: u64 = 0;
+  let mut x154: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x153, &mut x154, x3, (arg2[3]));
+  let mut x155: u64 = 0;
+  let mut x156: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x155, &mut x156, x3, (arg2[2]));
+  let mut x157: u64 = 0;
+  let mut x158: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x157, &mut x158, x3, (arg2[1]));
+  let mut x159: u64 = 0;
+  let mut x160: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x159, &mut x160, x3, (arg2[0]));
+  let mut x161: u64 = 0;
+  let mut x162: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x161, &mut x162, 0x0, x160, x157);
+  let mut x163: u64 = 0;
+  let mut x164: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x163, &mut x164, x162, x158, x155);
+  let mut x165: u64 = 0;
+  let mut x166: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x165, &mut x166, x164, x156, x153);
+  let x167: u64 = ((x166 as u64) + x154);
+  let mut x168: u64 = 0;
+  let mut x169: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x168, &mut x169, 0x0, x144, x159);
+  let mut x170: u64 = 0;
+  let mut x171: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x170, &mut x171, x169, x146, x161);
+  let mut x172: u64 = 0;
+  let mut x173: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x172, &mut x173, x171, x148, x163);
+  let mut x174: u64 = 0;
+  let mut x175: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x174, &mut x175, x173, x150, x165);
+  let mut x176: u64 = 0;
+  let mut x177: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x176, &mut x177, x175, x152, x167);
+  let mut x178: u64 = 0;
+  let mut x179: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x178, &mut x179, x168, 0x4b0dff665588b13f);
+  let mut x180: u64 = 0;
+  let mut x181: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x180, &mut x181, x178, 0xffffffffffffffff);
+  let mut x182: u64 = 0;
+  let mut x183: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x182, &mut x183, x178, 0xfffffffffffffffe);
+  let mut x184: u64 = 0;
+  let mut x185: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x184, &mut x185, x178, 0xbaaedce6af48a03b);
+  let mut x186: u64 = 0;
+  let mut x187: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x186, &mut x187, x178, 0xbfd25e8cd0364141);
+  let mut x188: u64 = 0;
+  let mut x189: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x188, &mut x189, 0x0, x187, x184);
+  let mut x190: u64 = 0;
+  let mut x191: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x190, &mut x191, x189, x185, x182);
+  let mut x192: u64 = 0;
+  let mut x193: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x192, &mut x193, x191, x183, x180);
+  let x194: u64 = ((x193 as u64) + x181);
+  let mut x195: u64 = 0;
+  let mut x196: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x195, &mut x196, 0x0, x168, x186);
+  let mut x197: u64 = 0;
+  let mut x198: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x197, &mut x198, x196, x170, x188);
+  let mut x199: u64 = 0;
+  let mut x200: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x199, &mut x200, x198, x172, x190);
+  let mut x201: u64 = 0;
+  let mut x202: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x201, &mut x202, x200, x174, x192);
+  let mut x203: u64 = 0;
+  let mut x204: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x203, &mut x204, x202, x176, x194);
+  let x205: u64 = ((x204 as u64) + (x177 as u64));
+  let mut x206: u64 = 0;
+  let mut x207: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x206, &mut x207, 0x0, x197, 0xbfd25e8cd0364141);
+  let mut x208: u64 = 0;
+  let mut x209: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x208, &mut x209, x207, x199, 0xbaaedce6af48a03b);
+  let mut x210: u64 = 0;
+  let mut x211: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x210, &mut x211, x209, x201, 0xfffffffffffffffe);
+  let mut x212: u64 = 0;
+  let mut x213: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x212, &mut x213, x211, x203, 0xffffffffffffffff);
+  let mut x214: u64 = 0;
+  let mut x215: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x214, &mut x215, x213, x205, (0x0 as u64));
+  let mut x216: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x216, x215, x206, x197);
+  let mut x217: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x217, x215, x208, x199);
+  let mut x218: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x218, x215, x210, x201);
+  let mut x219: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x219, x215, x212, x203);
+  out1[0] = x216;
+  out1[1] = x217;
+  out1[2] = x218;
+  out1[3] = x219;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_square squares a field element in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg1)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_square(out1: &mut fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element) -> () {
+  let x1: u64 = (arg1[1]);
+  let x2: u64 = (arg1[2]);
+  let x3: u64 = (arg1[3]);
+  let x4: u64 = (arg1[0]);
+  let mut x5: u64 = 0;
+  let mut x6: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x5, &mut x6, x4, (arg1[3]));
+  let mut x7: u64 = 0;
+  let mut x8: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x7, &mut x8, x4, (arg1[2]));
+  let mut x9: u64 = 0;
+  let mut x10: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x9, &mut x10, x4, (arg1[1]));
+  let mut x11: u64 = 0;
+  let mut x12: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x11, &mut x12, x4, (arg1[0]));
+  let mut x13: u64 = 0;
+  let mut x14: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x13, &mut x14, 0x0, x12, x9);
+  let mut x15: u64 = 0;
+  let mut x16: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x15, &mut x16, x14, x10, x7);
+  let mut x17: u64 = 0;
+  let mut x18: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x17, &mut x18, x16, x8, x5);
+  let x19: u64 = ((x18 as u64) + x6);
+  let mut x20: u64 = 0;
+  let mut x21: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x20, &mut x21, x11, 0x4b0dff665588b13f);
+  let mut x22: u64 = 0;
+  let mut x23: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x22, &mut x23, x20, 0xffffffffffffffff);
+  let mut x24: u64 = 0;
+  let mut x25: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x24, &mut x25, x20, 0xfffffffffffffffe);
+  let mut x26: u64 = 0;
+  let mut x27: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x26, &mut x27, x20, 0xbaaedce6af48a03b);
+  let mut x28: u64 = 0;
+  let mut x29: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x28, &mut x29, x20, 0xbfd25e8cd0364141);
+  let mut x30: u64 = 0;
+  let mut x31: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x30, &mut x31, 0x0, x29, x26);
+  let mut x32: u64 = 0;
+  let mut x33: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x32, &mut x33, x31, x27, x24);
+  let mut x34: u64 = 0;
+  let mut x35: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x34, &mut x35, x33, x25, x22);
+  let x36: u64 = ((x35 as u64) + x23);
+  let mut x37: u64 = 0;
+  let mut x38: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x37, &mut x38, 0x0, x11, x28);
+  let mut x39: u64 = 0;
+  let mut x40: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x39, &mut x40, x38, x13, x30);
+  let mut x41: u64 = 0;
+  let mut x42: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x41, &mut x42, x40, x15, x32);
+  let mut x43: u64 = 0;
+  let mut x44: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x43, &mut x44, x42, x17, x34);
+  let mut x45: u64 = 0;
+  let mut x46: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x45, &mut x46, x44, x19, x36);
+  let mut x47: u64 = 0;
+  let mut x48: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x47, &mut x48, x1, (arg1[3]));
+  let mut x49: u64 = 0;
+  let mut x50: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x49, &mut x50, x1, (arg1[2]));
+  let mut x51: u64 = 0;
+  let mut x52: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x51, &mut x52, x1, (arg1[1]));
+  let mut x53: u64 = 0;
+  let mut x54: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x53, &mut x54, x1, (arg1[0]));
+  let mut x55: u64 = 0;
+  let mut x56: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x55, &mut x56, 0x0, x54, x51);
+  let mut x57: u64 = 0;
+  let mut x58: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x57, &mut x58, x56, x52, x49);
+  let mut x59: u64 = 0;
+  let mut x60: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x59, &mut x60, x58, x50, x47);
+  let x61: u64 = ((x60 as u64) + x48);
+  let mut x62: u64 = 0;
+  let mut x63: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x62, &mut x63, 0x0, x39, x53);
+  let mut x64: u64 = 0;
+  let mut x65: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x64, &mut x65, x63, x41, x55);
+  let mut x66: u64 = 0;
+  let mut x67: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x66, &mut x67, x65, x43, x57);
+  let mut x68: u64 = 0;
+  let mut x69: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x68, &mut x69, x67, x45, x59);
+  let mut x70: u64 = 0;
+  let mut x71: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x70, &mut x71, x69, (x46 as u64), x61);
+  let mut x72: u64 = 0;
+  let mut x73: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x72, &mut x73, x62, 0x4b0dff665588b13f);
+  let mut x74: u64 = 0;
+  let mut x75: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x74, &mut x75, x72, 0xffffffffffffffff);
+  let mut x76: u64 = 0;
+  let mut x77: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x76, &mut x77, x72, 0xfffffffffffffffe);
+  let mut x78: u64 = 0;
+  let mut x79: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x78, &mut x79, x72, 0xbaaedce6af48a03b);
+  let mut x80: u64 = 0;
+  let mut x81: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x80, &mut x81, x72, 0xbfd25e8cd0364141);
+  let mut x82: u64 = 0;
+  let mut x83: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x82, &mut x83, 0x0, x81, x78);
+  let mut x84: u64 = 0;
+  let mut x85: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x84, &mut x85, x83, x79, x76);
+  let mut x86: u64 = 0;
+  let mut x87: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x86, &mut x87, x85, x77, x74);
+  let x88: u64 = ((x87 as u64) + x75);
+  let mut x89: u64 = 0;
+  let mut x90: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x89, &mut x90, 0x0, x62, x80);
+  let mut x91: u64 = 0;
+  let mut x92: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x91, &mut x92, x90, x64, x82);
+  let mut x93: u64 = 0;
+  let mut x94: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x93, &mut x94, x92, x66, x84);
+  let mut x95: u64 = 0;
+  let mut x96: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x95, &mut x96, x94, x68, x86);
+  let mut x97: u64 = 0;
+  let mut x98: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x97, &mut x98, x96, x70, x88);
+  let x99: u64 = ((x98 as u64) + (x71 as u64));
+  let mut x100: u64 = 0;
+  let mut x101: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x100, &mut x101, x2, (arg1[3]));
+  let mut x102: u64 = 0;
+  let mut x103: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x102, &mut x103, x2, (arg1[2]));
+  let mut x104: u64 = 0;
+  let mut x105: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x104, &mut x105, x2, (arg1[1]));
+  let mut x106: u64 = 0;
+  let mut x107: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x106, &mut x107, x2, (arg1[0]));
+  let mut x108: u64 = 0;
+  let mut x109: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x108, &mut x109, 0x0, x107, x104);
+  let mut x110: u64 = 0;
+  let mut x111: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x110, &mut x111, x109, x105, x102);
+  let mut x112: u64 = 0;
+  let mut x113: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x112, &mut x113, x111, x103, x100);
+  let x114: u64 = ((x113 as u64) + x101);
+  let mut x115: u64 = 0;
+  let mut x116: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x115, &mut x116, 0x0, x91, x106);
+  let mut x117: u64 = 0;
+  let mut x118: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x117, &mut x118, x116, x93, x108);
+  let mut x119: u64 = 0;
+  let mut x120: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x119, &mut x120, x118, x95, x110);
+  let mut x121: u64 = 0;
+  let mut x122: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x121, &mut x122, x120, x97, x112);
+  let mut x123: u64 = 0;
+  let mut x124: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x123, &mut x124, x122, x99, x114);
+  let mut x125: u64 = 0;
+  let mut x126: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x125, &mut x126, x115, 0x4b0dff665588b13f);
+  let mut x127: u64 = 0;
+  let mut x128: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x127, &mut x128, x125, 0xffffffffffffffff);
+  let mut x129: u64 = 0;
+  let mut x130: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x129, &mut x130, x125, 0xfffffffffffffffe);
+  let mut x131: u64 = 0;
+  let mut x132: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x131, &mut x132, x125, 0xbaaedce6af48a03b);
+  let mut x133: u64 = 0;
+  let mut x134: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x133, &mut x134, x125, 0xbfd25e8cd0364141);
+  let mut x135: u64 = 0;
+  let mut x136: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x135, &mut x136, 0x0, x134, x131);
+  let mut x137: u64 = 0;
+  let mut x138: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x137, &mut x138, x136, x132, x129);
+  let mut x139: u64 = 0;
+  let mut x140: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x139, &mut x140, x138, x130, x127);
+  let x141: u64 = ((x140 as u64) + x128);
+  let mut x142: u64 = 0;
+  let mut x143: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x142, &mut x143, 0x0, x115, x133);
+  let mut x144: u64 = 0;
+  let mut x145: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x144, &mut x145, x143, x117, x135);
+  let mut x146: u64 = 0;
+  let mut x147: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x146, &mut x147, x145, x119, x137);
+  let mut x148: u64 = 0;
+  let mut x149: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x148, &mut x149, x147, x121, x139);
+  let mut x150: u64 = 0;
+  let mut x151: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x150, &mut x151, x149, x123, x141);
+  let x152: u64 = ((x151 as u64) + (x124 as u64));
+  let mut x153: u64 = 0;
+  let mut x154: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x153, &mut x154, x3, (arg1[3]));
+  let mut x155: u64 = 0;
+  let mut x156: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x155, &mut x156, x3, (arg1[2]));
+  let mut x157: u64 = 0;
+  let mut x158: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x157, &mut x158, x3, (arg1[1]));
+  let mut x159: u64 = 0;
+  let mut x160: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x159, &mut x160, x3, (arg1[0]));
+  let mut x161: u64 = 0;
+  let mut x162: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x161, &mut x162, 0x0, x160, x157);
+  let mut x163: u64 = 0;
+  let mut x164: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x163, &mut x164, x162, x158, x155);
+  let mut x165: u64 = 0;
+  let mut x166: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x165, &mut x166, x164, x156, x153);
+  let x167: u64 = ((x166 as u64) + x154);
+  let mut x168: u64 = 0;
+  let mut x169: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x168, &mut x169, 0x0, x144, x159);
+  let mut x170: u64 = 0;
+  let mut x171: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x170, &mut x171, x169, x146, x161);
+  let mut x172: u64 = 0;
+  let mut x173: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x172, &mut x173, x171, x148, x163);
+  let mut x174: u64 = 0;
+  let mut x175: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x174, &mut x175, x173, x150, x165);
+  let mut x176: u64 = 0;
+  let mut x177: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x176, &mut x177, x175, x152, x167);
+  let mut x178: u64 = 0;
+  let mut x179: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x178, &mut x179, x168, 0x4b0dff665588b13f);
+  let mut x180: u64 = 0;
+  let mut x181: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x180, &mut x181, x178, 0xffffffffffffffff);
+  let mut x182: u64 = 0;
+  let mut x183: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x182, &mut x183, x178, 0xfffffffffffffffe);
+  let mut x184: u64 = 0;
+  let mut x185: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x184, &mut x185, x178, 0xbaaedce6af48a03b);
+  let mut x186: u64 = 0;
+  let mut x187: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x186, &mut x187, x178, 0xbfd25e8cd0364141);
+  let mut x188: u64 = 0;
+  let mut x189: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x188, &mut x189, 0x0, x187, x184);
+  let mut x190: u64 = 0;
+  let mut x191: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x190, &mut x191, x189, x185, x182);
+  let mut x192: u64 = 0;
+  let mut x193: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x192, &mut x193, x191, x183, x180);
+  let x194: u64 = ((x193 as u64) + x181);
+  let mut x195: u64 = 0;
+  let mut x196: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x195, &mut x196, 0x0, x168, x186);
+  let mut x197: u64 = 0;
+  let mut x198: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x197, &mut x198, x196, x170, x188);
+  let mut x199: u64 = 0;
+  let mut x200: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x199, &mut x200, x198, x172, x190);
+  let mut x201: u64 = 0;
+  let mut x202: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x201, &mut x202, x200, x174, x192);
+  let mut x203: u64 = 0;
+  let mut x204: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x203, &mut x204, x202, x176, x194);
+  let x205: u64 = ((x204 as u64) + (x177 as u64));
+  let mut x206: u64 = 0;
+  let mut x207: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x206, &mut x207, 0x0, x197, 0xbfd25e8cd0364141);
+  let mut x208: u64 = 0;
+  let mut x209: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x208, &mut x209, x207, x199, 0xbaaedce6af48a03b);
+  let mut x210: u64 = 0;
+  let mut x211: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x210, &mut x211, x209, x201, 0xfffffffffffffffe);
+  let mut x212: u64 = 0;
+  let mut x213: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x212, &mut x213, x211, x203, 0xffffffffffffffff);
+  let mut x214: u64 = 0;
+  let mut x215: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x214, &mut x215, x213, x205, (0x0 as u64));
+  let mut x216: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x216, x215, x206, x197);
+  let mut x217: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x217, x215, x208, x199);
+  let mut x218: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x218, x215, x210, x201);
+  let mut x219: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x219, x215, x212, x203);
+  out1[0] = x216;
+  out1[1] = x217;
+  out1[2] = x218;
+  out1[3] = x219;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_add adds two field elements in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+///   0 ≤ eval arg2 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) + eval (from_montgomery arg2)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_add(out1: &mut fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element) -> () {
+  let mut x1: u64 = 0;
+  let mut x2: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
+  let mut x3: u64 = 0;
+  let mut x4: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
+  let mut x5: u64 = 0;
+  let mut x6: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
+  let mut x7: u64 = 0;
+  let mut x8: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
+  let mut x9: u64 = 0;
+  let mut x10: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x9, &mut x10, 0x0, x1, 0xbfd25e8cd0364141);
+  let mut x11: u64 = 0;
+  let mut x12: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x11, &mut x12, x10, x3, 0xbaaedce6af48a03b);
+  let mut x13: u64 = 0;
+  let mut x14: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x13, &mut x14, x12, x5, 0xfffffffffffffffe);
+  let mut x15: u64 = 0;
+  let mut x16: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x15, &mut x16, x14, x7, 0xffffffffffffffff);
+  let mut x17: u64 = 0;
+  let mut x18: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x17, &mut x18, x16, (x8 as u64), (0x0 as u64));
+  let mut x19: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x19, x18, x9, x1);
+  let mut x20: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x20, x18, x11, x3);
+  let mut x21: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x21, x18, x13, x5);
+  let mut x22: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x22, x18, x15, x7);
+  out1[0] = x19;
+  out1[1] = x20;
+  out1[2] = x21;
+  out1[3] = x22;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_sub subtracts two field elements in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+///   0 ≤ eval arg2 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) - eval (from_montgomery arg2)) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_sub(out1: &mut fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg2: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element) -> () {
+  let mut x1: u64 = 0;
+  let mut x2: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
+  let mut x3: u64 = 0;
+  let mut x4: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
+  let mut x5: u64 = 0;
+  let mut x6: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
+  let mut x7: u64 = 0;
+  let mut x8: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
+  let mut x9: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x9, x8, (0x0 as u64), 0xffffffffffffffff);
+  let mut x10: u64 = 0;
+  let mut x11: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x10, &mut x11, 0x0, x1, (x9 & 0xbfd25e8cd0364141));
+  let mut x12: u64 = 0;
+  let mut x13: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x12, &mut x13, x11, x3, (x9 & 0xbaaedce6af48a03b));
+  let mut x14: u64 = 0;
+  let mut x15: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x14, &mut x15, x13, x5, (x9 & 0xfffffffffffffffe));
+  let mut x16: u64 = 0;
+  let mut x17: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x16, &mut x17, x15, x7, x9);
+  out1[0] = x10;
+  out1[1] = x12;
+  out1[2] = x14;
+  out1[3] = x16;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_opp negates a field element in the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = -eval (from_montgomery arg1) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_opp(out1: &mut fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element) -> () {
+  let mut x1: u64 = 0;
+  let mut x2: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x1, &mut x2, 0x0, (0x0 as u64), (arg1[0]));
+  let mut x3: u64 = 0;
+  let mut x4: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x3, &mut x4, x2, (0x0 as u64), (arg1[1]));
+  let mut x5: u64 = 0;
+  let mut x6: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x5, &mut x6, x4, (0x0 as u64), (arg1[2]));
+  let mut x7: u64 = 0;
+  let mut x8: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x7, &mut x8, x6, (0x0 as u64), (arg1[3]));
+  let mut x9: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x9, x8, (0x0 as u64), 0xffffffffffffffff);
+  let mut x10: u64 = 0;
+  let mut x11: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x10, &mut x11, 0x0, x1, (x9 & 0xbfd25e8cd0364141));
+  let mut x12: u64 = 0;
+  let mut x13: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x12, &mut x13, x11, x3, (x9 & 0xbaaedce6af48a03b));
+  let mut x14: u64 = 0;
+  let mut x15: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x14, &mut x15, x13, x5, (x9 & 0xfffffffffffffffe));
+  let mut x16: u64 = 0;
+  let mut x17: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x16, &mut x17, x15, x7, x9);
+  out1[0] = x10;
+  out1[1] = x12;
+  out1[2] = x14;
+  out1[3] = x16;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_from_montgomery translates a field element out of the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval out1 mod m = (eval arg1 * ((2^64)⁻¹ mod m)^4) mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_from_montgomery(out1: &mut fiat_secp256k1_montgomery_scalar_non_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element) -> () {
+  let x1: u64 = (arg1[0]);
+  let mut x2: u64 = 0;
+  let mut x3: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x2, &mut x3, x1, 0x4b0dff665588b13f);
+  let mut x4: u64 = 0;
+  let mut x5: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x4, &mut x5, x2, 0xffffffffffffffff);
+  let mut x6: u64 = 0;
+  let mut x7: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x6, &mut x7, x2, 0xfffffffffffffffe);
+  let mut x8: u64 = 0;
+  let mut x9: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x8, &mut x9, x2, 0xbaaedce6af48a03b);
+  let mut x10: u64 = 0;
+  let mut x11: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x10, &mut x11, x2, 0xbfd25e8cd0364141);
+  let mut x12: u64 = 0;
+  let mut x13: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x12, &mut x13, 0x0, x11, x8);
+  let mut x14: u64 = 0;
+  let mut x15: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x14, &mut x15, x13, x9, x6);
+  let mut x16: u64 = 0;
+  let mut x17: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x16, &mut x17, x15, x7, x4);
+  let mut x18: u64 = 0;
+  let mut x19: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x18, &mut x19, 0x0, x1, x10);
+  let mut x20: u64 = 0;
+  let mut x21: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x20, &mut x21, x19, (0x0 as u64), x12);
+  let mut x22: u64 = 0;
+  let mut x23: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x22, &mut x23, x21, (0x0 as u64), x14);
+  let mut x24: u64 = 0;
+  let mut x25: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x24, &mut x25, x23, (0x0 as u64), x16);
+  let mut x26: u64 = 0;
+  let mut x27: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x26, &mut x27, x25, (0x0 as u64), ((x17 as u64) + x5));
+  let mut x28: u64 = 0;
+  let mut x29: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x28, &mut x29, 0x0, x20, (arg1[1]));
+  let mut x30: u64 = 0;
+  let mut x31: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x30, &mut x31, x29, x22, (0x0 as u64));
+  let mut x32: u64 = 0;
+  let mut x33: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x32, &mut x33, x31, x24, (0x0 as u64));
+  let mut x34: u64 = 0;
+  let mut x35: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x34, &mut x35, x33, x26, (0x0 as u64));
+  let mut x36: u64 = 0;
+  let mut x37: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x36, &mut x37, x28, 0x4b0dff665588b13f);
+  let mut x38: u64 = 0;
+  let mut x39: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x38, &mut x39, x36, 0xffffffffffffffff);
+  let mut x40: u64 = 0;
+  let mut x41: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x40, &mut x41, x36, 0xfffffffffffffffe);
+  let mut x42: u64 = 0;
+  let mut x43: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x42, &mut x43, x36, 0xbaaedce6af48a03b);
+  let mut x44: u64 = 0;
+  let mut x45: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x44, &mut x45, x36, 0xbfd25e8cd0364141);
+  let mut x46: u64 = 0;
+  let mut x47: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x46, &mut x47, 0x0, x45, x42);
+  let mut x48: u64 = 0;
+  let mut x49: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x48, &mut x49, x47, x43, x40);
+  let mut x50: u64 = 0;
+  let mut x51: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x50, &mut x51, x49, x41, x38);
+  let mut x52: u64 = 0;
+  let mut x53: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x52, &mut x53, 0x0, x28, x44);
+  let mut x54: u64 = 0;
+  let mut x55: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x54, &mut x55, x53, x30, x46);
+  let mut x56: u64 = 0;
+  let mut x57: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x56, &mut x57, x55, x32, x48);
+  let mut x58: u64 = 0;
+  let mut x59: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x58, &mut x59, x57, x34, x50);
+  let mut x60: u64 = 0;
+  let mut x61: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x60, &mut x61, x59, ((x35 as u64) + (x27 as u64)), ((x51 as u64) + x39));
+  let mut x62: u64 = 0;
+  let mut x63: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x62, &mut x63, 0x0, x54, (arg1[2]));
+  let mut x64: u64 = 0;
+  let mut x65: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x64, &mut x65, x63, x56, (0x0 as u64));
+  let mut x66: u64 = 0;
+  let mut x67: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x66, &mut x67, x65, x58, (0x0 as u64));
+  let mut x68: u64 = 0;
+  let mut x69: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x68, &mut x69, x67, x60, (0x0 as u64));
+  let mut x70: u64 = 0;
+  let mut x71: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x70, &mut x71, x62, 0x4b0dff665588b13f);
+  let mut x72: u64 = 0;
+  let mut x73: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x72, &mut x73, x70, 0xffffffffffffffff);
+  let mut x74: u64 = 0;
+  let mut x75: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x74, &mut x75, x70, 0xfffffffffffffffe);
+  let mut x76: u64 = 0;
+  let mut x77: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x76, &mut x77, x70, 0xbaaedce6af48a03b);
+  let mut x78: u64 = 0;
+  let mut x79: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x78, &mut x79, x70, 0xbfd25e8cd0364141);
+  let mut x80: u64 = 0;
+  let mut x81: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x80, &mut x81, 0x0, x79, x76);
+  let mut x82: u64 = 0;
+  let mut x83: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x82, &mut x83, x81, x77, x74);
+  let mut x84: u64 = 0;
+  let mut x85: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x84, &mut x85, x83, x75, x72);
+  let mut x86: u64 = 0;
+  let mut x87: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x86, &mut x87, 0x0, x62, x78);
+  let mut x88: u64 = 0;
+  let mut x89: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x88, &mut x89, x87, x64, x80);
+  let mut x90: u64 = 0;
+  let mut x91: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x90, &mut x91, x89, x66, x82);
+  let mut x92: u64 = 0;
+  let mut x93: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x92, &mut x93, x91, x68, x84);
+  let mut x94: u64 = 0;
+  let mut x95: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x94, &mut x95, x93, ((x69 as u64) + (x61 as u64)), ((x85 as u64) + x73));
+  let mut x96: u64 = 0;
+  let mut x97: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x96, &mut x97, 0x0, x88, (arg1[3]));
+  let mut x98: u64 = 0;
+  let mut x99: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x98, &mut x99, x97, x90, (0x0 as u64));
+  let mut x100: u64 = 0;
+  let mut x101: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x100, &mut x101, x99, x92, (0x0 as u64));
+  let mut x102: u64 = 0;
+  let mut x103: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x102, &mut x103, x101, x94, (0x0 as u64));
+  let mut x104: u64 = 0;
+  let mut x105: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x104, &mut x105, x96, 0x4b0dff665588b13f);
+  let mut x106: u64 = 0;
+  let mut x107: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x106, &mut x107, x104, 0xffffffffffffffff);
+  let mut x108: u64 = 0;
+  let mut x109: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x108, &mut x109, x104, 0xfffffffffffffffe);
+  let mut x110: u64 = 0;
+  let mut x111: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x110, &mut x111, x104, 0xbaaedce6af48a03b);
+  let mut x112: u64 = 0;
+  let mut x113: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x112, &mut x113, x104, 0xbfd25e8cd0364141);
+  let mut x114: u64 = 0;
+  let mut x115: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x114, &mut x115, 0x0, x113, x110);
+  let mut x116: u64 = 0;
+  let mut x117: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x116, &mut x117, x115, x111, x108);
+  let mut x118: u64 = 0;
+  let mut x119: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x118, &mut x119, x117, x109, x106);
+  let mut x120: u64 = 0;
+  let mut x121: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x120, &mut x121, 0x0, x96, x112);
+  let mut x122: u64 = 0;
+  let mut x123: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x122, &mut x123, x121, x98, x114);
+  let mut x124: u64 = 0;
+  let mut x125: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x124, &mut x125, x123, x100, x116);
+  let mut x126: u64 = 0;
+  let mut x127: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x126, &mut x127, x125, x102, x118);
+  let mut x128: u64 = 0;
+  let mut x129: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x128, &mut x129, x127, ((x103 as u64) + (x95 as u64)), ((x119 as u64) + x107));
+  let mut x130: u64 = 0;
+  let mut x131: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x130, &mut x131, 0x0, x122, 0xbfd25e8cd0364141);
+  let mut x132: u64 = 0;
+  let mut x133: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x132, &mut x133, x131, x124, 0xbaaedce6af48a03b);
+  let mut x134: u64 = 0;
+  let mut x135: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x134, &mut x135, x133, x126, 0xfffffffffffffffe);
+  let mut x136: u64 = 0;
+  let mut x137: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x136, &mut x137, x135, x128, 0xffffffffffffffff);
+  let mut x138: u64 = 0;
+  let mut x139: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x138, &mut x139, x137, (x129 as u64), (0x0 as u64));
+  let mut x140: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x140, x139, x130, x122);
+  let mut x141: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x141, x139, x132, x124);
+  let mut x142: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x142, x139, x134, x126);
+  let mut x143: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x143, x139, x136, x128);
+  out1[0] = x140;
+  out1[1] = x141;
+  out1[2] = x142;
+  out1[3] = x143;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_to_montgomery translates a field element into the Montgomery domain.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = eval arg1 mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_to_montgomery(out1: &mut fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_montgomery_scalar_non_montgomery_domain_field_element) -> () {
+  let x1: u64 = (arg1[1]);
+  let x2: u64 = (arg1[2]);
+  let x3: u64 = (arg1[3]);
+  let x4: u64 = (arg1[0]);
+  let mut x5: u64 = 0;
+  let mut x6: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x5, &mut x6, x4, 0x9d671cd581c69bc5);
+  let mut x7: u64 = 0;
+  let mut x8: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x7, &mut x8, x4, 0xe697f5e45bcd07c6);
+  let mut x9: u64 = 0;
+  let mut x10: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x9, &mut x10, x4, 0x741496c20e7cf878);
+  let mut x11: u64 = 0;
+  let mut x12: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x11, &mut x12, x4, 0x896cf21467d7d140);
+  let mut x13: u64 = 0;
+  let mut x14: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x13, &mut x14, 0x0, x12, x9);
+  let mut x15: u64 = 0;
+  let mut x16: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x15, &mut x16, x14, x10, x7);
+  let mut x17: u64 = 0;
+  let mut x18: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x17, &mut x18, x16, x8, x5);
+  let mut x19: u64 = 0;
+  let mut x20: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x19, &mut x20, x11, 0x4b0dff665588b13f);
+  let mut x21: u64 = 0;
+  let mut x22: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x21, &mut x22, x19, 0xffffffffffffffff);
+  let mut x23: u64 = 0;
+  let mut x24: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x23, &mut x24, x19, 0xfffffffffffffffe);
+  let mut x25: u64 = 0;
+  let mut x26: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x25, &mut x26, x19, 0xbaaedce6af48a03b);
+  let mut x27: u64 = 0;
+  let mut x28: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x27, &mut x28, x19, 0xbfd25e8cd0364141);
+  let mut x29: u64 = 0;
+  let mut x30: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x29, &mut x30, 0x0, x28, x25);
+  let mut x31: u64 = 0;
+  let mut x32: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x31, &mut x32, x30, x26, x23);
+  let mut x33: u64 = 0;
+  let mut x34: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x33, &mut x34, x32, x24, x21);
+  let mut x35: u64 = 0;
+  let mut x36: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x35, &mut x36, 0x0, x11, x27);
+  let mut x37: u64 = 0;
+  let mut x38: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x37, &mut x38, x36, x13, x29);
+  let mut x39: u64 = 0;
+  let mut x40: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x39, &mut x40, x38, x15, x31);
+  let mut x41: u64 = 0;
+  let mut x42: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x41, &mut x42, x40, x17, x33);
+  let mut x43: u64 = 0;
+  let mut x44: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x43, &mut x44, x42, ((x18 as u64) + x6), ((x34 as u64) + x22));
+  let mut x45: u64 = 0;
+  let mut x46: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x45, &mut x46, x1, 0x9d671cd581c69bc5);
+  let mut x47: u64 = 0;
+  let mut x48: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x47, &mut x48, x1, 0xe697f5e45bcd07c6);
+  let mut x49: u64 = 0;
+  let mut x50: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x49, &mut x50, x1, 0x741496c20e7cf878);
+  let mut x51: u64 = 0;
+  let mut x52: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x51, &mut x52, x1, 0x896cf21467d7d140);
+  let mut x53: u64 = 0;
+  let mut x54: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x53, &mut x54, 0x0, x52, x49);
+  let mut x55: u64 = 0;
+  let mut x56: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x55, &mut x56, x54, x50, x47);
+  let mut x57: u64 = 0;
+  let mut x58: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x57, &mut x58, x56, x48, x45);
+  let mut x59: u64 = 0;
+  let mut x60: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x59, &mut x60, 0x0, x37, x51);
+  let mut x61: u64 = 0;
+  let mut x62: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x61, &mut x62, x60, x39, x53);
+  let mut x63: u64 = 0;
+  let mut x64: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x63, &mut x64, x62, x41, x55);
+  let mut x65: u64 = 0;
+  let mut x66: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x65, &mut x66, x64, x43, x57);
+  let mut x67: u64 = 0;
+  let mut x68: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x67, &mut x68, x59, 0x4b0dff665588b13f);
+  let mut x69: u64 = 0;
+  let mut x70: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x69, &mut x70, x67, 0xffffffffffffffff);
+  let mut x71: u64 = 0;
+  let mut x72: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x71, &mut x72, x67, 0xfffffffffffffffe);
+  let mut x73: u64 = 0;
+  let mut x74: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x73, &mut x74, x67, 0xbaaedce6af48a03b);
+  let mut x75: u64 = 0;
+  let mut x76: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x75, &mut x76, x67, 0xbfd25e8cd0364141);
+  let mut x77: u64 = 0;
+  let mut x78: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x77, &mut x78, 0x0, x76, x73);
+  let mut x79: u64 = 0;
+  let mut x80: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x79, &mut x80, x78, x74, x71);
+  let mut x81: u64 = 0;
+  let mut x82: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x81, &mut x82, x80, x72, x69);
+  let mut x83: u64 = 0;
+  let mut x84: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x83, &mut x84, 0x0, x59, x75);
+  let mut x85: u64 = 0;
+  let mut x86: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x85, &mut x86, x84, x61, x77);
+  let mut x87: u64 = 0;
+  let mut x88: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x87, &mut x88, x86, x63, x79);
+  let mut x89: u64 = 0;
+  let mut x90: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x89, &mut x90, x88, x65, x81);
+  let mut x91: u64 = 0;
+  let mut x92: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x91, &mut x92, x90, (((x66 as u64) + (x44 as u64)) + ((x58 as u64) + x46)), ((x82 as u64) + x70));
+  let mut x93: u64 = 0;
+  let mut x94: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x93, &mut x94, x2, 0x9d671cd581c69bc5);
+  let mut x95: u64 = 0;
+  let mut x96: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x95, &mut x96, x2, 0xe697f5e45bcd07c6);
+  let mut x97: u64 = 0;
+  let mut x98: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x97, &mut x98, x2, 0x741496c20e7cf878);
+  let mut x99: u64 = 0;
+  let mut x100: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x99, &mut x100, x2, 0x896cf21467d7d140);
+  let mut x101: u64 = 0;
+  let mut x102: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x101, &mut x102, 0x0, x100, x97);
+  let mut x103: u64 = 0;
+  let mut x104: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x103, &mut x104, x102, x98, x95);
+  let mut x105: u64 = 0;
+  let mut x106: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x105, &mut x106, x104, x96, x93);
+  let mut x107: u64 = 0;
+  let mut x108: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x107, &mut x108, 0x0, x85, x99);
+  let mut x109: u64 = 0;
+  let mut x110: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x109, &mut x110, x108, x87, x101);
+  let mut x111: u64 = 0;
+  let mut x112: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x111, &mut x112, x110, x89, x103);
+  let mut x113: u64 = 0;
+  let mut x114: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x113, &mut x114, x112, x91, x105);
+  let mut x115: u64 = 0;
+  let mut x116: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x115, &mut x116, x107, 0x4b0dff665588b13f);
+  let mut x117: u64 = 0;
+  let mut x118: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x117, &mut x118, x115, 0xffffffffffffffff);
+  let mut x119: u64 = 0;
+  let mut x120: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x119, &mut x120, x115, 0xfffffffffffffffe);
+  let mut x121: u64 = 0;
+  let mut x122: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x121, &mut x122, x115, 0xbaaedce6af48a03b);
+  let mut x123: u64 = 0;
+  let mut x124: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x123, &mut x124, x115, 0xbfd25e8cd0364141);
+  let mut x125: u64 = 0;
+  let mut x126: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x125, &mut x126, 0x0, x124, x121);
+  let mut x127: u64 = 0;
+  let mut x128: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x127, &mut x128, x126, x122, x119);
+  let mut x129: u64 = 0;
+  let mut x130: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x129, &mut x130, x128, x120, x117);
+  let mut x131: u64 = 0;
+  let mut x132: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x131, &mut x132, 0x0, x107, x123);
+  let mut x133: u64 = 0;
+  let mut x134: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x133, &mut x134, x132, x109, x125);
+  let mut x135: u64 = 0;
+  let mut x136: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x135, &mut x136, x134, x111, x127);
+  let mut x137: u64 = 0;
+  let mut x138: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x137, &mut x138, x136, x113, x129);
+  let mut x139: u64 = 0;
+  let mut x140: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x139, &mut x140, x138, (((x114 as u64) + (x92 as u64)) + ((x106 as u64) + x94)), ((x130 as u64) + x118));
+  let mut x141: u64 = 0;
+  let mut x142: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x141, &mut x142, x3, 0x9d671cd581c69bc5);
+  let mut x143: u64 = 0;
+  let mut x144: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x143, &mut x144, x3, 0xe697f5e45bcd07c6);
+  let mut x145: u64 = 0;
+  let mut x146: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x145, &mut x146, x3, 0x741496c20e7cf878);
+  let mut x147: u64 = 0;
+  let mut x148: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x147, &mut x148, x3, 0x896cf21467d7d140);
+  let mut x149: u64 = 0;
+  let mut x150: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x149, &mut x150, 0x0, x148, x145);
+  let mut x151: u64 = 0;
+  let mut x152: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x151, &mut x152, x150, x146, x143);
+  let mut x153: u64 = 0;
+  let mut x154: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x153, &mut x154, x152, x144, x141);
+  let mut x155: u64 = 0;
+  let mut x156: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x155, &mut x156, 0x0, x133, x147);
+  let mut x157: u64 = 0;
+  let mut x158: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x157, &mut x158, x156, x135, x149);
+  let mut x159: u64 = 0;
+  let mut x160: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x159, &mut x160, x158, x137, x151);
+  let mut x161: u64 = 0;
+  let mut x162: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x161, &mut x162, x160, x139, x153);
+  let mut x163: u64 = 0;
+  let mut x164: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x163, &mut x164, x155, 0x4b0dff665588b13f);
+  let mut x165: u64 = 0;
+  let mut x166: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x165, &mut x166, x163, 0xffffffffffffffff);
+  let mut x167: u64 = 0;
+  let mut x168: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x167, &mut x168, x163, 0xfffffffffffffffe);
+  let mut x169: u64 = 0;
+  let mut x170: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x169, &mut x170, x163, 0xbaaedce6af48a03b);
+  let mut x171: u64 = 0;
+  let mut x172: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_mulx_u64(&mut x171, &mut x172, x163, 0xbfd25e8cd0364141);
+  let mut x173: u64 = 0;
+  let mut x174: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x173, &mut x174, 0x0, x172, x169);
+  let mut x175: u64 = 0;
+  let mut x176: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x175, &mut x176, x174, x170, x167);
+  let mut x177: u64 = 0;
+  let mut x178: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x177, &mut x178, x176, x168, x165);
+  let mut x179: u64 = 0;
+  let mut x180: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x179, &mut x180, 0x0, x155, x171);
+  let mut x181: u64 = 0;
+  let mut x182: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x181, &mut x182, x180, x157, x173);
+  let mut x183: u64 = 0;
+  let mut x184: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x183, &mut x184, x182, x159, x175);
+  let mut x185: u64 = 0;
+  let mut x186: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x185, &mut x186, x184, x161, x177);
+  let mut x187: u64 = 0;
+  let mut x188: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x187, &mut x188, x186, (((x162 as u64) + (x140 as u64)) + ((x154 as u64) + x142)), ((x178 as u64) + x166));
+  let mut x189: u64 = 0;
+  let mut x190: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x189, &mut x190, 0x0, x181, 0xbfd25e8cd0364141);
+  let mut x191: u64 = 0;
+  let mut x192: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x191, &mut x192, x190, x183, 0xbaaedce6af48a03b);
+  let mut x193: u64 = 0;
+  let mut x194: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x193, &mut x194, x192, x185, 0xfffffffffffffffe);
+  let mut x195: u64 = 0;
+  let mut x196: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x195, &mut x196, x194, x187, 0xffffffffffffffff);
+  let mut x197: u64 = 0;
+  let mut x198: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x197, &mut x198, x196, (x188 as u64), (0x0 as u64));
+  let mut x199: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x199, x198, x189, x181);
+  let mut x200: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x200, x198, x191, x183);
+  let mut x201: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x201, x198, x193, x185);
+  let mut x202: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x202, x198, x195, x187);
+  out1[0] = x199;
+  out1[1] = x200;
+  out1[2] = x201;
+  out1[3] = x202;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_nonzero outputs a single non-zero word if the input is non-zero and zero otherwise.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   out1 = 0 ↔ eval (from_montgomery arg1) mod m = 0
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_nonzero(out1: &mut u64, arg1: &[u64; 4]) -> () {
+  let x1: u64 = ((arg1[0]) | ((arg1[1]) | ((arg1[2]) | (arg1[3]))));
+  *out1 = x1;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_selectznz is a multi-limb conditional select.
+///
+/// Postconditions:
+///   out1 = (if arg1 = 0 then arg2 else arg3)
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0x1]
+///   arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_selectznz(out1: &mut [u64; 4], arg1: fiat_secp256k1_montgomery_scalar_u1, arg2: &[u64; 4], arg3: &[u64; 4]) -> () {
+  let mut x1: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x1, arg1, (arg2[0]), (arg3[0]));
+  let mut x2: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x2, arg1, (arg2[1]), (arg3[1]));
+  let mut x3: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x3, arg1, (arg2[2]), (arg3[2]));
+  let mut x4: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x4, arg1, (arg2[3]), (arg3[3]));
+  out1[0] = x1;
+  out1[1] = x2;
+  out1[2] = x3;
+  out1[3] = x4;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_to_bytes serializes a field element NOT in the Montgomery domain to bytes in little-endian order.
+///
+/// Preconditions:
+///   0 ≤ eval arg1 < m
+/// Postconditions:
+///   out1 = map (λ x, ⌊((eval arg1 mod m) mod 2^(8 * (x + 1))) / 2^(8 * x)⌋) [0..31]
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_to_bytes(out1: &mut [u8; 32], arg1: &[u64; 4]) -> () {
+  let x1: u64 = (arg1[3]);
+  let x2: u64 = (arg1[2]);
+  let x3: u64 = (arg1[1]);
+  let x4: u64 = (arg1[0]);
+  let x5: u8 = ((x4 & (0xff as u64)) as u8);
+  let x6: u64 = (x4 >> 8);
+  let x7: u8 = ((x6 & (0xff as u64)) as u8);
+  let x8: u64 = (x6 >> 8);
+  let x9: u8 = ((x8 & (0xff as u64)) as u8);
+  let x10: u64 = (x8 >> 8);
+  let x11: u8 = ((x10 & (0xff as u64)) as u8);
+  let x12: u64 = (x10 >> 8);
+  let x13: u8 = ((x12 & (0xff as u64)) as u8);
+  let x14: u64 = (x12 >> 8);
+  let x15: u8 = ((x14 & (0xff as u64)) as u8);
+  let x16: u64 = (x14 >> 8);
+  let x17: u8 = ((x16 & (0xff as u64)) as u8);
+  let x18: u8 = ((x16 >> 8) as u8);
+  let x19: u8 = ((x3 & (0xff as u64)) as u8);
+  let x20: u64 = (x3 >> 8);
+  let x21: u8 = ((x20 & (0xff as u64)) as u8);
+  let x22: u64 = (x20 >> 8);
+  let x23: u8 = ((x22 & (0xff as u64)) as u8);
+  let x24: u64 = (x22 >> 8);
+  let x25: u8 = ((x24 & (0xff as u64)) as u8);
+  let x26: u64 = (x24 >> 8);
+  let x27: u8 = ((x26 & (0xff as u64)) as u8);
+  let x28: u64 = (x26 >> 8);
+  let x29: u8 = ((x28 & (0xff as u64)) as u8);
+  let x30: u64 = (x28 >> 8);
+  let x31: u8 = ((x30 & (0xff as u64)) as u8);
+  let x32: u8 = ((x30 >> 8) as u8);
+  let x33: u8 = ((x2 & (0xff as u64)) as u8);
+  let x34: u64 = (x2 >> 8);
+  let x35: u8 = ((x34 & (0xff as u64)) as u8);
+  let x36: u64 = (x34 >> 8);
+  let x37: u8 = ((x36 & (0xff as u64)) as u8);
+  let x38: u64 = (x36 >> 8);
+  let x39: u8 = ((x38 & (0xff as u64)) as u8);
+  let x40: u64 = (x38 >> 8);
+  let x41: u8 = ((x40 & (0xff as u64)) as u8);
+  let x42: u64 = (x40 >> 8);
+  let x43: u8 = ((x42 & (0xff as u64)) as u8);
+  let x44: u64 = (x42 >> 8);
+  let x45: u8 = ((x44 & (0xff as u64)) as u8);
+  let x46: u8 = ((x44 >> 8) as u8);
+  let x47: u8 = ((x1 & (0xff as u64)) as u8);
+  let x48: u64 = (x1 >> 8);
+  let x49: u8 = ((x48 & (0xff as u64)) as u8);
+  let x50: u64 = (x48 >> 8);
+  let x51: u8 = ((x50 & (0xff as u64)) as u8);
+  let x52: u64 = (x50 >> 8);
+  let x53: u8 = ((x52 & (0xff as u64)) as u8);
+  let x54: u64 = (x52 >> 8);
+  let x55: u8 = ((x54 & (0xff as u64)) as u8);
+  let x56: u64 = (x54 >> 8);
+  let x57: u8 = ((x56 & (0xff as u64)) as u8);
+  let x58: u64 = (x56 >> 8);
+  let x59: u8 = ((x58 & (0xff as u64)) as u8);
+  let x60: u8 = ((x58 >> 8) as u8);
+  out1[0] = x5;
+  out1[1] = x7;
+  out1[2] = x9;
+  out1[3] = x11;
+  out1[4] = x13;
+  out1[5] = x15;
+  out1[6] = x17;
+  out1[7] = x18;
+  out1[8] = x19;
+  out1[9] = x21;
+  out1[10] = x23;
+  out1[11] = x25;
+  out1[12] = x27;
+  out1[13] = x29;
+  out1[14] = x31;
+  out1[15] = x32;
+  out1[16] = x33;
+  out1[17] = x35;
+  out1[18] = x37;
+  out1[19] = x39;
+  out1[20] = x41;
+  out1[21] = x43;
+  out1[22] = x45;
+  out1[23] = x46;
+  out1[24] = x47;
+  out1[25] = x49;
+  out1[26] = x51;
+  out1[27] = x53;
+  out1[28] = x55;
+  out1[29] = x57;
+  out1[30] = x59;
+  out1[31] = x60;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_from_bytes deserializes a field element NOT in the Montgomery domain from bytes in little-endian order.
+///
+/// Preconditions:
+///   0 ≤ bytes_eval arg1 < m
+/// Postconditions:
+///   eval out1 mod m = bytes_eval arg1 mod m
+///   0 ≤ eval out1 < m
+///
+/// Input Bounds:
+///   arg1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_from_bytes(out1: &mut [u64; 4], arg1: &[u8; 32]) -> () {
+  let x1: u64 = (((arg1[31]) as u64) << 56);
+  let x2: u64 = (((arg1[30]) as u64) << 48);
+  let x3: u64 = (((arg1[29]) as u64) << 40);
+  let x4: u64 = (((arg1[28]) as u64) << 32);
+  let x5: u64 = (((arg1[27]) as u64) << 24);
+  let x6: u64 = (((arg1[26]) as u64) << 16);
+  let x7: u64 = (((arg1[25]) as u64) << 8);
+  let x8: u8 = (arg1[24]);
+  let x9: u64 = (((arg1[23]) as u64) << 56);
+  let x10: u64 = (((arg1[22]) as u64) << 48);
+  let x11: u64 = (((arg1[21]) as u64) << 40);
+  let x12: u64 = (((arg1[20]) as u64) << 32);
+  let x13: u64 = (((arg1[19]) as u64) << 24);
+  let x14: u64 = (((arg1[18]) as u64) << 16);
+  let x15: u64 = (((arg1[17]) as u64) << 8);
+  let x16: u8 = (arg1[16]);
+  let x17: u64 = (((arg1[15]) as u64) << 56);
+  let x18: u64 = (((arg1[14]) as u64) << 48);
+  let x19: u64 = (((arg1[13]) as u64) << 40);
+  let x20: u64 = (((arg1[12]) as u64) << 32);
+  let x21: u64 = (((arg1[11]) as u64) << 24);
+  let x22: u64 = (((arg1[10]) as u64) << 16);
+  let x23: u64 = (((arg1[9]) as u64) << 8);
+  let x24: u8 = (arg1[8]);
+  let x25: u64 = (((arg1[7]) as u64) << 56);
+  let x26: u64 = (((arg1[6]) as u64) << 48);
+  let x27: u64 = (((arg1[5]) as u64) << 40);
+  let x28: u64 = (((arg1[4]) as u64) << 32);
+  let x29: u64 = (((arg1[3]) as u64) << 24);
+  let x30: u64 = (((arg1[2]) as u64) << 16);
+  let x31: u64 = (((arg1[1]) as u64) << 8);
+  let x32: u8 = (arg1[0]);
+  let x33: u64 = (x31 + (x32 as u64));
+  let x34: u64 = (x30 + x33);
+  let x35: u64 = (x29 + x34);
+  let x36: u64 = (x28 + x35);
+  let x37: u64 = (x27 + x36);
+  let x38: u64 = (x26 + x37);
+  let x39: u64 = (x25 + x38);
+  let x40: u64 = (x23 + (x24 as u64));
+  let x41: u64 = (x22 + x40);
+  let x42: u64 = (x21 + x41);
+  let x43: u64 = (x20 + x42);
+  let x44: u64 = (x19 + x43);
+  let x45: u64 = (x18 + x44);
+  let x46: u64 = (x17 + x45);
+  let x47: u64 = (x15 + (x16 as u64));
+  let x48: u64 = (x14 + x47);
+  let x49: u64 = (x13 + x48);
+  let x50: u64 = (x12 + x49);
+  let x51: u64 = (x11 + x50);
+  let x52: u64 = (x10 + x51);
+  let x53: u64 = (x9 + x52);
+  let x54: u64 = (x7 + (x8 as u64));
+  let x55: u64 = (x6 + x54);
+  let x56: u64 = (x5 + x55);
+  let x57: u64 = (x4 + x56);
+  let x58: u64 = (x3 + x57);
+  let x59: u64 = (x2 + x58);
+  let x60: u64 = (x1 + x59);
+  out1[0] = x39;
+  out1[1] = x46;
+  out1[2] = x53;
+  out1[3] = x60;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_set_one returns the field element one in the Montgomery domain.
+///
+/// Postconditions:
+///   eval (from_montgomery out1) mod m = 1 mod m
+///   0 ≤ eval out1 < m
+///
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_set_one(out1: &mut fiat_secp256k1_montgomery_scalar_montgomery_domain_field_element) -> () {
+  out1[0] = 0x402da1732fc9bebf;
+  out1[1] = 0x4551231950b75fc4;
+  out1[2] = (0x1 as u64);
+  out1[3] = (0x0 as u64);
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_msat returns the saturated representation of the prime modulus.
+///
+/// Postconditions:
+///   twos_complement_eval out1 = m
+///   0 ≤ eval out1 < m
+///
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_msat(out1: &mut [u64; 5]) -> () {
+  out1[0] = 0xbfd25e8cd0364141;
+  out1[1] = 0xbaaedce6af48a03b;
+  out1[2] = 0xfffffffffffffffe;
+  out1[3] = 0xffffffffffffffff;
+  out1[4] = (0x0 as u64);
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_divstep computes a divstep.
+///
+/// Preconditions:
+///   0 ≤ eval arg4 < m
+///   0 ≤ eval arg5 < m
+/// Postconditions:
+///   out1 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then 1 - arg1 else 1 + arg1)
+///   twos_complement_eval out2 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then twos_complement_eval arg3 else twos_complement_eval arg2)
+///   twos_complement_eval out3 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then ⌊(twos_complement_eval arg3 - twos_complement_eval arg2) / 2⌋ else ⌊(twos_complement_eval arg3 + (twos_complement_eval arg3 mod 2) * twos_complement_eval arg2) / 2⌋)
+///   eval (from_montgomery out4) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (2 * eval (from_montgomery arg5)) mod m else (2 * eval (from_montgomery arg4)) mod m)
+///   eval (from_montgomery out5) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (eval (from_montgomery arg4) - eval (from_montgomery arg4)) mod m else (eval (from_montgomery arg5) + (twos_complement_eval arg3 mod 2) * eval (from_montgomery arg4)) mod m)
+///   0 ≤ eval out5 < m
+///   0 ≤ eval out5 < m
+///   0 ≤ eval out2 < m
+///   0 ≤ eval out3 < m
+///
+/// Input Bounds:
+///   arg1: [0x0 ~> 0xffffffffffffffff]
+///   arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   arg4: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   arg5: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+/// Output Bounds:
+///   out1: [0x0 ~> 0xffffffffffffffff]
+///   out2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   out3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   out4: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+///   out5: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_divstep(out1: &mut u64, out2: &mut [u64; 5], out3: &mut [u64; 5], out4: &mut [u64; 4], out5: &mut [u64; 4], arg1: u64, arg2: &[u64; 5], arg3: &[u64; 5], arg4: &[u64; 4], arg5: &[u64; 4]) -> () {
+  let mut x1: u64 = 0;
+  let mut x2: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x1, &mut x2, 0x0, (!arg1), (0x1 as u64));
+  let x3: fiat_secp256k1_montgomery_scalar_u1 = (((x1 >> 63) as fiat_secp256k1_montgomery_scalar_u1) & (((arg3[0]) & (0x1 as u64)) as fiat_secp256k1_montgomery_scalar_u1));
+  let mut x4: u64 = 0;
+  let mut x5: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x4, &mut x5, 0x0, (!arg1), (0x1 as u64));
+  let mut x6: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x6, x3, arg1, x4);
+  let mut x7: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x7, x3, (arg2[0]), (arg3[0]));
+  let mut x8: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x8, x3, (arg2[1]), (arg3[1]));
+  let mut x9: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x9, x3, (arg2[2]), (arg3[2]));
+  let mut x10: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x10, x3, (arg2[3]), (arg3[3]));
+  let mut x11: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x11, x3, (arg2[4]), (arg3[4]));
+  let mut x12: u64 = 0;
+  let mut x13: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x12, &mut x13, 0x0, (0x1 as u64), (!(arg2[0])));
+  let mut x14: u64 = 0;
+  let mut x15: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x14, &mut x15, x13, (0x0 as u64), (!(arg2[1])));
+  let mut x16: u64 = 0;
+  let mut x17: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x16, &mut x17, x15, (0x0 as u64), (!(arg2[2])));
+  let mut x18: u64 = 0;
+  let mut x19: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x18, &mut x19, x17, (0x0 as u64), (!(arg2[3])));
+  let mut x20: u64 = 0;
+  let mut x21: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x20, &mut x21, x19, (0x0 as u64), (!(arg2[4])));
+  let mut x22: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x22, x3, (arg3[0]), x12);
+  let mut x23: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x23, x3, (arg3[1]), x14);
+  let mut x24: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x24, x3, (arg3[2]), x16);
+  let mut x25: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x25, x3, (arg3[3]), x18);
+  let mut x26: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x26, x3, (arg3[4]), x20);
+  let mut x27: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x27, x3, (arg4[0]), (arg5[0]));
+  let mut x28: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x28, x3, (arg4[1]), (arg5[1]));
+  let mut x29: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x29, x3, (arg4[2]), (arg5[2]));
+  let mut x30: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x30, x3, (arg4[3]), (arg5[3]));
+  let mut x31: u64 = 0;
+  let mut x32: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x31, &mut x32, 0x0, x27, x27);
+  let mut x33: u64 = 0;
+  let mut x34: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x33, &mut x34, x32, x28, x28);
+  let mut x35: u64 = 0;
+  let mut x36: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x35, &mut x36, x34, x29, x29);
+  let mut x37: u64 = 0;
+  let mut x38: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x37, &mut x38, x36, x30, x30);
+  let mut x39: u64 = 0;
+  let mut x40: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x39, &mut x40, 0x0, x31, 0xbfd25e8cd0364141);
+  let mut x41: u64 = 0;
+  let mut x42: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x41, &mut x42, x40, x33, 0xbaaedce6af48a03b);
+  let mut x43: u64 = 0;
+  let mut x44: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x43, &mut x44, x42, x35, 0xfffffffffffffffe);
+  let mut x45: u64 = 0;
+  let mut x46: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x45, &mut x46, x44, x37, 0xffffffffffffffff);
+  let mut x47: u64 = 0;
+  let mut x48: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x47, &mut x48, x46, (x38 as u64), (0x0 as u64));
+  let x49: u64 = (arg4[3]);
+  let x50: u64 = (arg4[2]);
+  let x51: u64 = (arg4[1]);
+  let x52: u64 = (arg4[0]);
+  let mut x53: u64 = 0;
+  let mut x54: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x53, &mut x54, 0x0, (0x0 as u64), x52);
+  let mut x55: u64 = 0;
+  let mut x56: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x55, &mut x56, x54, (0x0 as u64), x51);
+  let mut x57: u64 = 0;
+  let mut x58: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x57, &mut x58, x56, (0x0 as u64), x50);
+  let mut x59: u64 = 0;
+  let mut x60: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x59, &mut x60, x58, (0x0 as u64), x49);
+  let mut x61: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x61, x60, (0x0 as u64), 0xffffffffffffffff);
+  let mut x62: u64 = 0;
+  let mut x63: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x62, &mut x63, 0x0, x53, (x61 & 0xbfd25e8cd0364141));
+  let mut x64: u64 = 0;
+  let mut x65: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x64, &mut x65, x63, x55, (x61 & 0xbaaedce6af48a03b));
+  let mut x66: u64 = 0;
+  let mut x67: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x66, &mut x67, x65, x57, (x61 & 0xfffffffffffffffe));
+  let mut x68: u64 = 0;
+  let mut x69: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x68, &mut x69, x67, x59, x61);
+  let mut x70: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x70, x3, (arg5[0]), x62);
+  let mut x71: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x71, x3, (arg5[1]), x64);
+  let mut x72: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x72, x3, (arg5[2]), x66);
+  let mut x73: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x73, x3, (arg5[3]), x68);
+  let x74: fiat_secp256k1_montgomery_scalar_u1 = ((x22 & (0x1 as u64)) as fiat_secp256k1_montgomery_scalar_u1);
+  let mut x75: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x75, x74, (0x0 as u64), x7);
+  let mut x76: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x76, x74, (0x0 as u64), x8);
+  let mut x77: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x77, x74, (0x0 as u64), x9);
+  let mut x78: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x78, x74, (0x0 as u64), x10);
+  let mut x79: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x79, x74, (0x0 as u64), x11);
+  let mut x80: u64 = 0;
+  let mut x81: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x80, &mut x81, 0x0, x22, x75);
+  let mut x82: u64 = 0;
+  let mut x83: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x82, &mut x83, x81, x23, x76);
+  let mut x84: u64 = 0;
+  let mut x85: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x84, &mut x85, x83, x24, x77);
+  let mut x86: u64 = 0;
+  let mut x87: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x86, &mut x87, x85, x25, x78);
+  let mut x88: u64 = 0;
+  let mut x89: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x88, &mut x89, x87, x26, x79);
+  let mut x90: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x90, x74, (0x0 as u64), x27);
+  let mut x91: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x91, x74, (0x0 as u64), x28);
+  let mut x92: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x92, x74, (0x0 as u64), x29);
+  let mut x93: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x93, x74, (0x0 as u64), x30);
+  let mut x94: u64 = 0;
+  let mut x95: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x94, &mut x95, 0x0, x70, x90);
+  let mut x96: u64 = 0;
+  let mut x97: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x96, &mut x97, x95, x71, x91);
+  let mut x98: u64 = 0;
+  let mut x99: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x98, &mut x99, x97, x72, x92);
+  let mut x100: u64 = 0;
+  let mut x101: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x100, &mut x101, x99, x73, x93);
+  let mut x102: u64 = 0;
+  let mut x103: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x102, &mut x103, 0x0, x94, 0xbfd25e8cd0364141);
+  let mut x104: u64 = 0;
+  let mut x105: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x104, &mut x105, x103, x96, 0xbaaedce6af48a03b);
+  let mut x106: u64 = 0;
+  let mut x107: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x106, &mut x107, x105, x98, 0xfffffffffffffffe);
+  let mut x108: u64 = 0;
+  let mut x109: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x108, &mut x109, x107, x100, 0xffffffffffffffff);
+  let mut x110: u64 = 0;
+  let mut x111: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_subborrowx_u64(&mut x110, &mut x111, x109, (x101 as u64), (0x0 as u64));
+  let mut x112: u64 = 0;
+  let mut x113: fiat_secp256k1_montgomery_scalar_u1 = 0;
+  fiat_secp256k1_montgomery_scalar_addcarryx_u64(&mut x112, &mut x113, 0x0, x6, (0x1 as u64));
+  let x114: u64 = ((x80 >> 1) | ((x82 << 63) & 0xffffffffffffffff));
+  let x115: u64 = ((x82 >> 1) | ((x84 << 63) & 0xffffffffffffffff));
+  let x116: u64 = ((x84 >> 1) | ((x86 << 63) & 0xffffffffffffffff));
+  let x117: u64 = ((x86 >> 1) | ((x88 << 63) & 0xffffffffffffffff));
+  let x118: u64 = ((x88 & 0x8000000000000000) | (x88 >> 1));
+  let mut x119: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x119, x48, x39, x31);
+  let mut x120: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x120, x48, x41, x33);
+  let mut x121: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x121, x48, x43, x35);
+  let mut x122: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x122, x48, x45, x37);
+  let mut x123: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x123, x111, x102, x94);
+  let mut x124: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x124, x111, x104, x96);
+  let mut x125: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x125, x111, x106, x98);
+  let mut x126: u64 = 0;
+  fiat_secp256k1_montgomery_scalar_cmovznz_u64(&mut x126, x111, x108, x100);
+  *out1 = x112;
+  out2[0] = x7;
+  out2[1] = x8;
+  out2[2] = x9;
+  out2[3] = x10;
+  out2[4] = x11;
+  out3[0] = x114;
+  out3[1] = x115;
+  out3[2] = x116;
+  out3[3] = x117;
+  out3[4] = x118;
+  out4[0] = x119;
+  out4[1] = x120;
+  out4[2] = x121;
+  out4[3] = x122;
+  out5[0] = x123;
+  out5[1] = x124;
+  out5[2] = x125;
+  out5[3] = x126;
+}
+
+/// The function fiat_secp256k1_montgomery_scalar_divstep_precomp returns the precomputed value for Bernstein-Yang-inversion (in montgomery form).
+///
+/// Postconditions:
+///   eval (from_montgomery out1) = ⌊(m - 1) / 2⌋^(if ⌊log2 m⌋ + 1 < 46 then ⌊(49 * (⌊log2 m⌋ + 1) + 80) / 17⌋ else ⌊(49 * (⌊log2 m⌋ + 1) + 57) / 17⌋)
+///   0 ≤ eval out1 < m
+///
+/// Output Bounds:
+///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
+#[inline]
+pub fn fiat_secp256k1_montgomery_scalar_divstep_precomp(out1: &mut [u64; 4]) -> () {
+  out1[0] = 0xd7431a4d2b9cb4e9;
+  out1[1] = 0xab67d35a32d9c503;
+  out1[2] = 0xadf6c7e5859ce35f;
+  out1[3] = 0x615441451df6c379;
+}
diff --git a/vendor/fiat-crypto/src/secp256k1_scalar_32.rs b/vendor/fiat-crypto/src/secp256k1_scalar_32.rs
deleted file mode 100644
index bbdc1e474..000000000
--- a/vendor/fiat-crypto/src/secp256k1_scalar_32.rs
+++ /dev/null
@@ -1,5601 +0,0 @@
-//! Autogenerated: 'src/ExtractionOCaml/word_by_word_montgomery' --lang Rust --inline secp256k1_scalar 32 '2^256 - 432420386565659656852420866394968145599' mul square add sub opp from_montgomery to_montgomery nonzero selectznz to_bytes from_bytes one msat divstep divstep_precomp
-//! curve description: secp256k1_scalar
-//! machine_wordsize = 32 (from "32")
-//! requested operations: mul, square, add, sub, opp, from_montgomery, to_montgomery, nonzero, selectznz, to_bytes, from_bytes, one, msat, divstep, divstep_precomp
-//! m = 0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141 (from "2^256 - 432420386565659656852420866394968145599")
-//!
-//! NOTE: In addition to the bounds specified above each function, all
-//!   functions synthesized for this Montgomery arithmetic require the
-//!   input to be strictly less than the prime modulus (m), and also
-//!   require the input to be in the unique saturated representation.
-//!   All functions also ensure that these two properties are true of
-//!   return values.
-//!
-//! Computed values:
-//!   eval z = z[0] + (z[1] << 32) + (z[2] << 64) + (z[3] << 96) + (z[4] << 128) + (z[5] << 160) + (z[6] << 192) + (z[7] << 224)
-//!   bytes_eval z = z[0] + (z[1] << 8) + (z[2] << 16) + (z[3] << 24) + (z[4] << 32) + (z[5] << 40) + (z[6] << 48) + (z[7] << 56) + (z[8] << 64) + (z[9] << 72) + (z[10] << 80) + (z[11] << 88) + (z[12] << 96) + (z[13] << 104) + (z[14] << 112) + (z[15] << 120) + (z[16] << 128) + (z[17] << 136) + (z[18] << 144) + (z[19] << 152) + (z[20] << 160) + (z[21] << 168) + (z[22] << 176) + (z[23] << 184) + (z[24] << 192) + (z[25] << 200) + (z[26] << 208) + (z[27] << 216) + (z[28] << 224) + (z[29] << 232) + (z[30] << 240) + (z[31] << 248)
-//!   twos_complement_eval z = let x1 := z[0] + (z[1] << 32) + (z[2] << 64) + (z[3] << 96) + (z[4] << 128) + (z[5] << 160) + (z[6] << 192) + (z[7] << 224) in
-//!                            if x1 & (2^256-1) < 2^255 then x1 & (2^256-1) else (x1 & (2^256-1)) - 2^256
-
-#![allow(unused_parens)]
-#![allow(non_camel_case_types)]
-
-pub type fiat_secp256k1_scalar_u1 = u8;
-pub type fiat_secp256k1_scalar_i1 = i8;
-pub type fiat_secp256k1_scalar_u2 = u8;
-pub type fiat_secp256k1_scalar_i2 = i8;
-
-/* The type fiat_secp256k1_scalar_montgomery_domain_field_element is a field element in the Montgomery domain. */
-/* Bounds: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]] */
-pub type fiat_secp256k1_scalar_montgomery_domain_field_element = [u32; 8];
-
-/* The type fiat_secp256k1_scalar_non_montgomery_domain_field_element is a field element NOT in the Montgomery domain. */
-/* Bounds: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]] */
-pub type fiat_secp256k1_scalar_non_montgomery_domain_field_element = [u32; 8];
-
-
-/// The function fiat_secp256k1_scalar_addcarryx_u32 is an addition with carry.
-///
-/// Postconditions:
-///   out1 = (arg1 + arg2 + arg3) mod 2^32
-///   out2 = ⌊(arg1 + arg2 + arg3) / 2^32⌋
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [0x0 ~> 0xffffffff]
-///   arg3: [0x0 ~> 0xffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffff]
-///   out2: [0x0 ~> 0x1]
-#[inline]
-pub fn fiat_secp256k1_scalar_addcarryx_u32(out1: &mut u32, out2: &mut fiat_secp256k1_scalar_u1, arg1: fiat_secp256k1_scalar_u1, arg2: u32, arg3: u32) -> () {
-  let x1: u64 = (((arg1 as u64) + (arg2 as u64)) + (arg3 as u64));
-  let x2: u32 = ((x1 & (0xffffffff as u64)) as u32);
-  let x3: fiat_secp256k1_scalar_u1 = ((x1 >> 32) as fiat_secp256k1_scalar_u1);
-  *out1 = x2;
-  *out2 = x3;
-}
-
-/// The function fiat_secp256k1_scalar_subborrowx_u32 is a subtraction with borrow.
-///
-/// Postconditions:
-///   out1 = (-arg1 + arg2 + -arg3) mod 2^32
-///   out2 = -⌊(-arg1 + arg2 + -arg3) / 2^32⌋
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [0x0 ~> 0xffffffff]
-///   arg3: [0x0 ~> 0xffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffff]
-///   out2: [0x0 ~> 0x1]
-#[inline]
-pub fn fiat_secp256k1_scalar_subborrowx_u32(out1: &mut u32, out2: &mut fiat_secp256k1_scalar_u1, arg1: fiat_secp256k1_scalar_u1, arg2: u32, arg3: u32) -> () {
-  let x1: i64 = (((arg2 as i64) - (arg1 as i64)) - (arg3 as i64));
-  let x2: fiat_secp256k1_scalar_i1 = ((x1 >> 32) as fiat_secp256k1_scalar_i1);
-  let x3: u32 = ((x1 & (0xffffffff as i64)) as u32);
-  *out1 = x3;
-  *out2 = (((0x0 as fiat_secp256k1_scalar_i2) - (x2 as fiat_secp256k1_scalar_i2)) as fiat_secp256k1_scalar_u1);
-}
-
-/// The function fiat_secp256k1_scalar_mulx_u32 is a multiplication, returning the full double-width result.
-///
-/// Postconditions:
-///   out1 = (arg1 * arg2) mod 2^32
-///   out2 = ⌊arg1 * arg2 / 2^32⌋
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0xffffffff]
-///   arg2: [0x0 ~> 0xffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffff]
-///   out2: [0x0 ~> 0xffffffff]
-#[inline]
-pub fn fiat_secp256k1_scalar_mulx_u32(out1: &mut u32, out2: &mut u32, arg1: u32, arg2: u32) -> () {
-  let x1: u64 = ((arg1 as u64) * (arg2 as u64));
-  let x2: u32 = ((x1 & (0xffffffff as u64)) as u32);
-  let x3: u32 = ((x1 >> 32) as u32);
-  *out1 = x2;
-  *out2 = x3;
-}
-
-/// The function fiat_secp256k1_scalar_cmovznz_u32 is a single-word conditional move.
-///
-/// Postconditions:
-///   out1 = (if arg1 = 0 then arg2 else arg3)
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [0x0 ~> 0xffffffff]
-///   arg3: [0x0 ~> 0xffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffff]
-#[inline]
-pub fn fiat_secp256k1_scalar_cmovznz_u32(out1: &mut u32, arg1: fiat_secp256k1_scalar_u1, arg2: u32, arg3: u32) -> () {
-  let x1: fiat_secp256k1_scalar_u1 = (!(!arg1));
-  let x2: u32 = ((((((0x0 as fiat_secp256k1_scalar_i2) - (x1 as fiat_secp256k1_scalar_i2)) as fiat_secp256k1_scalar_i1) as i64) & (0xffffffff as i64)) as u32);
-  let x3: u32 = ((x2 & arg3) | ((!x2) & arg2));
-  *out1 = x3;
-}
-
-/// The function fiat_secp256k1_scalar_mul multiplies two field elements in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-///   0 ≤ eval arg2 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_mul(out1: &mut fiat_secp256k1_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_scalar_montgomery_domain_field_element, arg2: &fiat_secp256k1_scalar_montgomery_domain_field_element) -> () {
-  let x1: u32 = (arg1[1]);
-  let x2: u32 = (arg1[2]);
-  let x3: u32 = (arg1[3]);
-  let x4: u32 = (arg1[4]);
-  let x5: u32 = (arg1[5]);
-  let x6: u32 = (arg1[6]);
-  let x7: u32 = (arg1[7]);
-  let x8: u32 = (arg1[0]);
-  let mut x9: u32 = 0;
-  let mut x10: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x9, &mut x10, x8, (arg2[7]));
-  let mut x11: u32 = 0;
-  let mut x12: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x11, &mut x12, x8, (arg2[6]));
-  let mut x13: u32 = 0;
-  let mut x14: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x13, &mut x14, x8, (arg2[5]));
-  let mut x15: u32 = 0;
-  let mut x16: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x15, &mut x16, x8, (arg2[4]));
-  let mut x17: u32 = 0;
-  let mut x18: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x17, &mut x18, x8, (arg2[3]));
-  let mut x19: u32 = 0;
-  let mut x20: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x19, &mut x20, x8, (arg2[2]));
-  let mut x21: u32 = 0;
-  let mut x22: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x21, &mut x22, x8, (arg2[1]));
-  let mut x23: u32 = 0;
-  let mut x24: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x23, &mut x24, x8, (arg2[0]));
-  let mut x25: u32 = 0;
-  let mut x26: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x25, &mut x26, 0x0, x24, x21);
-  let mut x27: u32 = 0;
-  let mut x28: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x27, &mut x28, x26, x22, x19);
-  let mut x29: u32 = 0;
-  let mut x30: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x29, &mut x30, x28, x20, x17);
-  let mut x31: u32 = 0;
-  let mut x32: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x31, &mut x32, x30, x18, x15);
-  let mut x33: u32 = 0;
-  let mut x34: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x33, &mut x34, x32, x16, x13);
-  let mut x35: u32 = 0;
-  let mut x36: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x35, &mut x36, x34, x14, x11);
-  let mut x37: u32 = 0;
-  let mut x38: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x37, &mut x38, x36, x12, x9);
-  let x39: u32 = ((x38 as u32) + x10);
-  let mut x40: u32 = 0;
-  let mut x41: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x40, &mut x41, x23, 0x5588b13f);
-  let mut x42: u32 = 0;
-  let mut x43: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x42, &mut x43, x40, 0xffffffff);
-  let mut x44: u32 = 0;
-  let mut x45: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x44, &mut x45, x40, 0xffffffff);
-  let mut x46: u32 = 0;
-  let mut x47: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x46, &mut x47, x40, 0xffffffff);
-  let mut x48: u32 = 0;
-  let mut x49: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x48, &mut x49, x40, 0xfffffffe);
-  let mut x50: u32 = 0;
-  let mut x51: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x50, &mut x51, x40, 0xbaaedce6);
-  let mut x52: u32 = 0;
-  let mut x53: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x52, &mut x53, x40, 0xaf48a03b);
-  let mut x54: u32 = 0;
-  let mut x55: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x54, &mut x55, x40, 0xbfd25e8c);
-  let mut x56: u32 = 0;
-  let mut x57: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x56, &mut x57, x40, 0xd0364141);
-  let mut x58: u32 = 0;
-  let mut x59: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x58, &mut x59, 0x0, x57, x54);
-  let mut x60: u32 = 0;
-  let mut x61: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x60, &mut x61, x59, x55, x52);
-  let mut x62: u32 = 0;
-  let mut x63: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x62, &mut x63, x61, x53, x50);
-  let mut x64: u32 = 0;
-  let mut x65: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x64, &mut x65, x63, x51, x48);
-  let mut x66: u32 = 0;
-  let mut x67: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x66, &mut x67, x65, x49, x46);
-  let mut x68: u32 = 0;
-  let mut x69: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x68, &mut x69, x67, x47, x44);
-  let mut x70: u32 = 0;
-  let mut x71: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x70, &mut x71, x69, x45, x42);
-  let x72: u32 = ((x71 as u32) + x43);
-  let mut x73: u32 = 0;
-  let mut x74: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x73, &mut x74, 0x0, x23, x56);
-  let mut x75: u32 = 0;
-  let mut x76: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x75, &mut x76, x74, x25, x58);
-  let mut x77: u32 = 0;
-  let mut x78: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x77, &mut x78, x76, x27, x60);
-  let mut x79: u32 = 0;
-  let mut x80: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x79, &mut x80, x78, x29, x62);
-  let mut x81: u32 = 0;
-  let mut x82: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x81, &mut x82, x80, x31, x64);
-  let mut x83: u32 = 0;
-  let mut x84: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x83, &mut x84, x82, x33, x66);
-  let mut x85: u32 = 0;
-  let mut x86: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x85, &mut x86, x84, x35, x68);
-  let mut x87: u32 = 0;
-  let mut x88: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x87, &mut x88, x86, x37, x70);
-  let mut x89: u32 = 0;
-  let mut x90: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x89, &mut x90, x88, x39, x72);
-  let mut x91: u32 = 0;
-  let mut x92: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x91, &mut x92, x1, (arg2[7]));
-  let mut x93: u32 = 0;
-  let mut x94: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x93, &mut x94, x1, (arg2[6]));
-  let mut x95: u32 = 0;
-  let mut x96: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x95, &mut x96, x1, (arg2[5]));
-  let mut x97: u32 = 0;
-  let mut x98: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x97, &mut x98, x1, (arg2[4]));
-  let mut x99: u32 = 0;
-  let mut x100: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x99, &mut x100, x1, (arg2[3]));
-  let mut x101: u32 = 0;
-  let mut x102: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x101, &mut x102, x1, (arg2[2]));
-  let mut x103: u32 = 0;
-  let mut x104: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x103, &mut x104, x1, (arg2[1]));
-  let mut x105: u32 = 0;
-  let mut x106: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x105, &mut x106, x1, (arg2[0]));
-  let mut x107: u32 = 0;
-  let mut x108: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x107, &mut x108, 0x0, x106, x103);
-  let mut x109: u32 = 0;
-  let mut x110: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x109, &mut x110, x108, x104, x101);
-  let mut x111: u32 = 0;
-  let mut x112: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x111, &mut x112, x110, x102, x99);
-  let mut x113: u32 = 0;
-  let mut x114: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x113, &mut x114, x112, x100, x97);
-  let mut x115: u32 = 0;
-  let mut x116: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x115, &mut x116, x114, x98, x95);
-  let mut x117: u32 = 0;
-  let mut x118: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x117, &mut x118, x116, x96, x93);
-  let mut x119: u32 = 0;
-  let mut x120: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x119, &mut x120, x118, x94, x91);
-  let x121: u32 = ((x120 as u32) + x92);
-  let mut x122: u32 = 0;
-  let mut x123: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x122, &mut x123, 0x0, x75, x105);
-  let mut x124: u32 = 0;
-  let mut x125: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x124, &mut x125, x123, x77, x107);
-  let mut x126: u32 = 0;
-  let mut x127: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x126, &mut x127, x125, x79, x109);
-  let mut x128: u32 = 0;
-  let mut x129: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x128, &mut x129, x127, x81, x111);
-  let mut x130: u32 = 0;
-  let mut x131: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x130, &mut x131, x129, x83, x113);
-  let mut x132: u32 = 0;
-  let mut x133: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x132, &mut x133, x131, x85, x115);
-  let mut x134: u32 = 0;
-  let mut x135: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x134, &mut x135, x133, x87, x117);
-  let mut x136: u32 = 0;
-  let mut x137: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x136, &mut x137, x135, x89, x119);
-  let mut x138: u32 = 0;
-  let mut x139: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x138, &mut x139, x137, (x90 as u32), x121);
-  let mut x140: u32 = 0;
-  let mut x141: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x140, &mut x141, x122, 0x5588b13f);
-  let mut x142: u32 = 0;
-  let mut x143: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x142, &mut x143, x140, 0xffffffff);
-  let mut x144: u32 = 0;
-  let mut x145: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x144, &mut x145, x140, 0xffffffff);
-  let mut x146: u32 = 0;
-  let mut x147: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x146, &mut x147, x140, 0xffffffff);
-  let mut x148: u32 = 0;
-  let mut x149: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x148, &mut x149, x140, 0xfffffffe);
-  let mut x150: u32 = 0;
-  let mut x151: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x150, &mut x151, x140, 0xbaaedce6);
-  let mut x152: u32 = 0;
-  let mut x153: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x152, &mut x153, x140, 0xaf48a03b);
-  let mut x154: u32 = 0;
-  let mut x155: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x154, &mut x155, x140, 0xbfd25e8c);
-  let mut x156: u32 = 0;
-  let mut x157: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x156, &mut x157, x140, 0xd0364141);
-  let mut x158: u32 = 0;
-  let mut x159: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x158, &mut x159, 0x0, x157, x154);
-  let mut x160: u32 = 0;
-  let mut x161: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x160, &mut x161, x159, x155, x152);
-  let mut x162: u32 = 0;
-  let mut x163: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x162, &mut x163, x161, x153, x150);
-  let mut x164: u32 = 0;
-  let mut x165: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x164, &mut x165, x163, x151, x148);
-  let mut x166: u32 = 0;
-  let mut x167: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x166, &mut x167, x165, x149, x146);
-  let mut x168: u32 = 0;
-  let mut x169: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x168, &mut x169, x167, x147, x144);
-  let mut x170: u32 = 0;
-  let mut x171: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x170, &mut x171, x169, x145, x142);
-  let x172: u32 = ((x171 as u32) + x143);
-  let mut x173: u32 = 0;
-  let mut x174: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x173, &mut x174, 0x0, x122, x156);
-  let mut x175: u32 = 0;
-  let mut x176: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x175, &mut x176, x174, x124, x158);
-  let mut x177: u32 = 0;
-  let mut x178: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x177, &mut x178, x176, x126, x160);
-  let mut x179: u32 = 0;
-  let mut x180: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x179, &mut x180, x178, x128, x162);
-  let mut x181: u32 = 0;
-  let mut x182: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x181, &mut x182, x180, x130, x164);
-  let mut x183: u32 = 0;
-  let mut x184: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x183, &mut x184, x182, x132, x166);
-  let mut x185: u32 = 0;
-  let mut x186: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x185, &mut x186, x184, x134, x168);
-  let mut x187: u32 = 0;
-  let mut x188: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x187, &mut x188, x186, x136, x170);
-  let mut x189: u32 = 0;
-  let mut x190: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x189, &mut x190, x188, x138, x172);
-  let x191: u32 = ((x190 as u32) + (x139 as u32));
-  let mut x192: u32 = 0;
-  let mut x193: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x192, &mut x193, x2, (arg2[7]));
-  let mut x194: u32 = 0;
-  let mut x195: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x194, &mut x195, x2, (arg2[6]));
-  let mut x196: u32 = 0;
-  let mut x197: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x196, &mut x197, x2, (arg2[5]));
-  let mut x198: u32 = 0;
-  let mut x199: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x198, &mut x199, x2, (arg2[4]));
-  let mut x200: u32 = 0;
-  let mut x201: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x200, &mut x201, x2, (arg2[3]));
-  let mut x202: u32 = 0;
-  let mut x203: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x202, &mut x203, x2, (arg2[2]));
-  let mut x204: u32 = 0;
-  let mut x205: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x204, &mut x205, x2, (arg2[1]));
-  let mut x206: u32 = 0;
-  let mut x207: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x206, &mut x207, x2, (arg2[0]));
-  let mut x208: u32 = 0;
-  let mut x209: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x208, &mut x209, 0x0, x207, x204);
-  let mut x210: u32 = 0;
-  let mut x211: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x210, &mut x211, x209, x205, x202);
-  let mut x212: u32 = 0;
-  let mut x213: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x212, &mut x213, x211, x203, x200);
-  let mut x214: u32 = 0;
-  let mut x215: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x214, &mut x215, x213, x201, x198);
-  let mut x216: u32 = 0;
-  let mut x217: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x216, &mut x217, x215, x199, x196);
-  let mut x218: u32 = 0;
-  let mut x219: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x218, &mut x219, x217, x197, x194);
-  let mut x220: u32 = 0;
-  let mut x221: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x220, &mut x221, x219, x195, x192);
-  let x222: u32 = ((x221 as u32) + x193);
-  let mut x223: u32 = 0;
-  let mut x224: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x223, &mut x224, 0x0, x175, x206);
-  let mut x225: u32 = 0;
-  let mut x226: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x225, &mut x226, x224, x177, x208);
-  let mut x227: u32 = 0;
-  let mut x228: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x227, &mut x228, x226, x179, x210);
-  let mut x229: u32 = 0;
-  let mut x230: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x229, &mut x230, x228, x181, x212);
-  let mut x231: u32 = 0;
-  let mut x232: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x231, &mut x232, x230, x183, x214);
-  let mut x233: u32 = 0;
-  let mut x234: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x233, &mut x234, x232, x185, x216);
-  let mut x235: u32 = 0;
-  let mut x236: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x235, &mut x236, x234, x187, x218);
-  let mut x237: u32 = 0;
-  let mut x238: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x237, &mut x238, x236, x189, x220);
-  let mut x239: u32 = 0;
-  let mut x240: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x239, &mut x240, x238, x191, x222);
-  let mut x241: u32 = 0;
-  let mut x242: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x241, &mut x242, x223, 0x5588b13f);
-  let mut x243: u32 = 0;
-  let mut x244: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x243, &mut x244, x241, 0xffffffff);
-  let mut x245: u32 = 0;
-  let mut x246: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x245, &mut x246, x241, 0xffffffff);
-  let mut x247: u32 = 0;
-  let mut x248: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x247, &mut x248, x241, 0xffffffff);
-  let mut x249: u32 = 0;
-  let mut x250: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x249, &mut x250, x241, 0xfffffffe);
-  let mut x251: u32 = 0;
-  let mut x252: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x251, &mut x252, x241, 0xbaaedce6);
-  let mut x253: u32 = 0;
-  let mut x254: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x253, &mut x254, x241, 0xaf48a03b);
-  let mut x255: u32 = 0;
-  let mut x256: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x255, &mut x256, x241, 0xbfd25e8c);
-  let mut x257: u32 = 0;
-  let mut x258: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x257, &mut x258, x241, 0xd0364141);
-  let mut x259: u32 = 0;
-  let mut x260: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x259, &mut x260, 0x0, x258, x255);
-  let mut x261: u32 = 0;
-  let mut x262: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x261, &mut x262, x260, x256, x253);
-  let mut x263: u32 = 0;
-  let mut x264: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x263, &mut x264, x262, x254, x251);
-  let mut x265: u32 = 0;
-  let mut x266: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x265, &mut x266, x264, x252, x249);
-  let mut x267: u32 = 0;
-  let mut x268: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x267, &mut x268, x266, x250, x247);
-  let mut x269: u32 = 0;
-  let mut x270: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x269, &mut x270, x268, x248, x245);
-  let mut x271: u32 = 0;
-  let mut x272: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x271, &mut x272, x270, x246, x243);
-  let x273: u32 = ((x272 as u32) + x244);
-  let mut x274: u32 = 0;
-  let mut x275: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x274, &mut x275, 0x0, x223, x257);
-  let mut x276: u32 = 0;
-  let mut x277: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x276, &mut x277, x275, x225, x259);
-  let mut x278: u32 = 0;
-  let mut x279: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x278, &mut x279, x277, x227, x261);
-  let mut x280: u32 = 0;
-  let mut x281: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x280, &mut x281, x279, x229, x263);
-  let mut x282: u32 = 0;
-  let mut x283: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x282, &mut x283, x281, x231, x265);
-  let mut x284: u32 = 0;
-  let mut x285: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x284, &mut x285, x283, x233, x267);
-  let mut x286: u32 = 0;
-  let mut x287: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x286, &mut x287, x285, x235, x269);
-  let mut x288: u32 = 0;
-  let mut x289: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x288, &mut x289, x287, x237, x271);
-  let mut x290: u32 = 0;
-  let mut x291: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x290, &mut x291, x289, x239, x273);
-  let x292: u32 = ((x291 as u32) + (x240 as u32));
-  let mut x293: u32 = 0;
-  let mut x294: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x293, &mut x294, x3, (arg2[7]));
-  let mut x295: u32 = 0;
-  let mut x296: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x295, &mut x296, x3, (arg2[6]));
-  let mut x297: u32 = 0;
-  let mut x298: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x297, &mut x298, x3, (arg2[5]));
-  let mut x299: u32 = 0;
-  let mut x300: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x299, &mut x300, x3, (arg2[4]));
-  let mut x301: u32 = 0;
-  let mut x302: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x301, &mut x302, x3, (arg2[3]));
-  let mut x303: u32 = 0;
-  let mut x304: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x303, &mut x304, x3, (arg2[2]));
-  let mut x305: u32 = 0;
-  let mut x306: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x305, &mut x306, x3, (arg2[1]));
-  let mut x307: u32 = 0;
-  let mut x308: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x307, &mut x308, x3, (arg2[0]));
-  let mut x309: u32 = 0;
-  let mut x310: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x309, &mut x310, 0x0, x308, x305);
-  let mut x311: u32 = 0;
-  let mut x312: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x311, &mut x312, x310, x306, x303);
-  let mut x313: u32 = 0;
-  let mut x314: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x313, &mut x314, x312, x304, x301);
-  let mut x315: u32 = 0;
-  let mut x316: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x315, &mut x316, x314, x302, x299);
-  let mut x317: u32 = 0;
-  let mut x318: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x317, &mut x318, x316, x300, x297);
-  let mut x319: u32 = 0;
-  let mut x320: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x319, &mut x320, x318, x298, x295);
-  let mut x321: u32 = 0;
-  let mut x322: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x321, &mut x322, x320, x296, x293);
-  let x323: u32 = ((x322 as u32) + x294);
-  let mut x324: u32 = 0;
-  let mut x325: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x324, &mut x325, 0x0, x276, x307);
-  let mut x326: u32 = 0;
-  let mut x327: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x326, &mut x327, x325, x278, x309);
-  let mut x328: u32 = 0;
-  let mut x329: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x328, &mut x329, x327, x280, x311);
-  let mut x330: u32 = 0;
-  let mut x331: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x330, &mut x331, x329, x282, x313);
-  let mut x332: u32 = 0;
-  let mut x333: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x332, &mut x333, x331, x284, x315);
-  let mut x334: u32 = 0;
-  let mut x335: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x334, &mut x335, x333, x286, x317);
-  let mut x336: u32 = 0;
-  let mut x337: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x336, &mut x337, x335, x288, x319);
-  let mut x338: u32 = 0;
-  let mut x339: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x338, &mut x339, x337, x290, x321);
-  let mut x340: u32 = 0;
-  let mut x341: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x340, &mut x341, x339, x292, x323);
-  let mut x342: u32 = 0;
-  let mut x343: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x342, &mut x343, x324, 0x5588b13f);
-  let mut x344: u32 = 0;
-  let mut x345: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x344, &mut x345, x342, 0xffffffff);
-  let mut x346: u32 = 0;
-  let mut x347: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x346, &mut x347, x342, 0xffffffff);
-  let mut x348: u32 = 0;
-  let mut x349: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x348, &mut x349, x342, 0xffffffff);
-  let mut x350: u32 = 0;
-  let mut x351: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x350, &mut x351, x342, 0xfffffffe);
-  let mut x352: u32 = 0;
-  let mut x353: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x352, &mut x353, x342, 0xbaaedce6);
-  let mut x354: u32 = 0;
-  let mut x355: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x354, &mut x355, x342, 0xaf48a03b);
-  let mut x356: u32 = 0;
-  let mut x357: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x356, &mut x357, x342, 0xbfd25e8c);
-  let mut x358: u32 = 0;
-  let mut x359: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x358, &mut x359, x342, 0xd0364141);
-  let mut x360: u32 = 0;
-  let mut x361: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x360, &mut x361, 0x0, x359, x356);
-  let mut x362: u32 = 0;
-  let mut x363: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x362, &mut x363, x361, x357, x354);
-  let mut x364: u32 = 0;
-  let mut x365: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x364, &mut x365, x363, x355, x352);
-  let mut x366: u32 = 0;
-  let mut x367: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x366, &mut x367, x365, x353, x350);
-  let mut x368: u32 = 0;
-  let mut x369: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x368, &mut x369, x367, x351, x348);
-  let mut x370: u32 = 0;
-  let mut x371: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x370, &mut x371, x369, x349, x346);
-  let mut x372: u32 = 0;
-  let mut x373: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x372, &mut x373, x371, x347, x344);
-  let x374: u32 = ((x373 as u32) + x345);
-  let mut x375: u32 = 0;
-  let mut x376: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x375, &mut x376, 0x0, x324, x358);
-  let mut x377: u32 = 0;
-  let mut x378: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x377, &mut x378, x376, x326, x360);
-  let mut x379: u32 = 0;
-  let mut x380: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x379, &mut x380, x378, x328, x362);
-  let mut x381: u32 = 0;
-  let mut x382: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x381, &mut x382, x380, x330, x364);
-  let mut x383: u32 = 0;
-  let mut x384: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x383, &mut x384, x382, x332, x366);
-  let mut x385: u32 = 0;
-  let mut x386: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x385, &mut x386, x384, x334, x368);
-  let mut x387: u32 = 0;
-  let mut x388: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x387, &mut x388, x386, x336, x370);
-  let mut x389: u32 = 0;
-  let mut x390: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x389, &mut x390, x388, x338, x372);
-  let mut x391: u32 = 0;
-  let mut x392: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x391, &mut x392, x390, x340, x374);
-  let x393: u32 = ((x392 as u32) + (x341 as u32));
-  let mut x394: u32 = 0;
-  let mut x395: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x394, &mut x395, x4, (arg2[7]));
-  let mut x396: u32 = 0;
-  let mut x397: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x396, &mut x397, x4, (arg2[6]));
-  let mut x398: u32 = 0;
-  let mut x399: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x398, &mut x399, x4, (arg2[5]));
-  let mut x400: u32 = 0;
-  let mut x401: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x400, &mut x401, x4, (arg2[4]));
-  let mut x402: u32 = 0;
-  let mut x403: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x402, &mut x403, x4, (arg2[3]));
-  let mut x404: u32 = 0;
-  let mut x405: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x404, &mut x405, x4, (arg2[2]));
-  let mut x406: u32 = 0;
-  let mut x407: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x406, &mut x407, x4, (arg2[1]));
-  let mut x408: u32 = 0;
-  let mut x409: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x408, &mut x409, x4, (arg2[0]));
-  let mut x410: u32 = 0;
-  let mut x411: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x410, &mut x411, 0x0, x409, x406);
-  let mut x412: u32 = 0;
-  let mut x413: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x412, &mut x413, x411, x407, x404);
-  let mut x414: u32 = 0;
-  let mut x415: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x414, &mut x415, x413, x405, x402);
-  let mut x416: u32 = 0;
-  let mut x417: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x416, &mut x417, x415, x403, x400);
-  let mut x418: u32 = 0;
-  let mut x419: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x418, &mut x419, x417, x401, x398);
-  let mut x420: u32 = 0;
-  let mut x421: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x420, &mut x421, x419, x399, x396);
-  let mut x422: u32 = 0;
-  let mut x423: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x422, &mut x423, x421, x397, x394);
-  let x424: u32 = ((x423 as u32) + x395);
-  let mut x425: u32 = 0;
-  let mut x426: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x425, &mut x426, 0x0, x377, x408);
-  let mut x427: u32 = 0;
-  let mut x428: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x427, &mut x428, x426, x379, x410);
-  let mut x429: u32 = 0;
-  let mut x430: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x429, &mut x430, x428, x381, x412);
-  let mut x431: u32 = 0;
-  let mut x432: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x431, &mut x432, x430, x383, x414);
-  let mut x433: u32 = 0;
-  let mut x434: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x433, &mut x434, x432, x385, x416);
-  let mut x435: u32 = 0;
-  let mut x436: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x435, &mut x436, x434, x387, x418);
-  let mut x437: u32 = 0;
-  let mut x438: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x437, &mut x438, x436, x389, x420);
-  let mut x439: u32 = 0;
-  let mut x440: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x439, &mut x440, x438, x391, x422);
-  let mut x441: u32 = 0;
-  let mut x442: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x441, &mut x442, x440, x393, x424);
-  let mut x443: u32 = 0;
-  let mut x444: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x443, &mut x444, x425, 0x5588b13f);
-  let mut x445: u32 = 0;
-  let mut x446: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x445, &mut x446, x443, 0xffffffff);
-  let mut x447: u32 = 0;
-  let mut x448: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x447, &mut x448, x443, 0xffffffff);
-  let mut x449: u32 = 0;
-  let mut x450: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x449, &mut x450, x443, 0xffffffff);
-  let mut x451: u32 = 0;
-  let mut x452: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x451, &mut x452, x443, 0xfffffffe);
-  let mut x453: u32 = 0;
-  let mut x454: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x453, &mut x454, x443, 0xbaaedce6);
-  let mut x455: u32 = 0;
-  let mut x456: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x455, &mut x456, x443, 0xaf48a03b);
-  let mut x457: u32 = 0;
-  let mut x458: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x457, &mut x458, x443, 0xbfd25e8c);
-  let mut x459: u32 = 0;
-  let mut x460: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x459, &mut x460, x443, 0xd0364141);
-  let mut x461: u32 = 0;
-  let mut x462: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x461, &mut x462, 0x0, x460, x457);
-  let mut x463: u32 = 0;
-  let mut x464: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x463, &mut x464, x462, x458, x455);
-  let mut x465: u32 = 0;
-  let mut x466: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x465, &mut x466, x464, x456, x453);
-  let mut x467: u32 = 0;
-  let mut x468: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x467, &mut x468, x466, x454, x451);
-  let mut x469: u32 = 0;
-  let mut x470: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x469, &mut x470, x468, x452, x449);
-  let mut x471: u32 = 0;
-  let mut x472: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x471, &mut x472, x470, x450, x447);
-  let mut x473: u32 = 0;
-  let mut x474: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x473, &mut x474, x472, x448, x445);
-  let x475: u32 = ((x474 as u32) + x446);
-  let mut x476: u32 = 0;
-  let mut x477: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x476, &mut x477, 0x0, x425, x459);
-  let mut x478: u32 = 0;
-  let mut x479: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x478, &mut x479, x477, x427, x461);
-  let mut x480: u32 = 0;
-  let mut x481: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x480, &mut x481, x479, x429, x463);
-  let mut x482: u32 = 0;
-  let mut x483: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x482, &mut x483, x481, x431, x465);
-  let mut x484: u32 = 0;
-  let mut x485: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x484, &mut x485, x483, x433, x467);
-  let mut x486: u32 = 0;
-  let mut x487: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x486, &mut x487, x485, x435, x469);
-  let mut x488: u32 = 0;
-  let mut x489: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x488, &mut x489, x487, x437, x471);
-  let mut x490: u32 = 0;
-  let mut x491: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x490, &mut x491, x489, x439, x473);
-  let mut x492: u32 = 0;
-  let mut x493: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x492, &mut x493, x491, x441, x475);
-  let x494: u32 = ((x493 as u32) + (x442 as u32));
-  let mut x495: u32 = 0;
-  let mut x496: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x495, &mut x496, x5, (arg2[7]));
-  let mut x497: u32 = 0;
-  let mut x498: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x497, &mut x498, x5, (arg2[6]));
-  let mut x499: u32 = 0;
-  let mut x500: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x499, &mut x500, x5, (arg2[5]));
-  let mut x501: u32 = 0;
-  let mut x502: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x501, &mut x502, x5, (arg2[4]));
-  let mut x503: u32 = 0;
-  let mut x504: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x503, &mut x504, x5, (arg2[3]));
-  let mut x505: u32 = 0;
-  let mut x506: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x505, &mut x506, x5, (arg2[2]));
-  let mut x507: u32 = 0;
-  let mut x508: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x507, &mut x508, x5, (arg2[1]));
-  let mut x509: u32 = 0;
-  let mut x510: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x509, &mut x510, x5, (arg2[0]));
-  let mut x511: u32 = 0;
-  let mut x512: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x511, &mut x512, 0x0, x510, x507);
-  let mut x513: u32 = 0;
-  let mut x514: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x513, &mut x514, x512, x508, x505);
-  let mut x515: u32 = 0;
-  let mut x516: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x515, &mut x516, x514, x506, x503);
-  let mut x517: u32 = 0;
-  let mut x518: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x517, &mut x518, x516, x504, x501);
-  let mut x519: u32 = 0;
-  let mut x520: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x519, &mut x520, x518, x502, x499);
-  let mut x521: u32 = 0;
-  let mut x522: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x521, &mut x522, x520, x500, x497);
-  let mut x523: u32 = 0;
-  let mut x524: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x523, &mut x524, x522, x498, x495);
-  let x525: u32 = ((x524 as u32) + x496);
-  let mut x526: u32 = 0;
-  let mut x527: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x526, &mut x527, 0x0, x478, x509);
-  let mut x528: u32 = 0;
-  let mut x529: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x528, &mut x529, x527, x480, x511);
-  let mut x530: u32 = 0;
-  let mut x531: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x530, &mut x531, x529, x482, x513);
-  let mut x532: u32 = 0;
-  let mut x533: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x532, &mut x533, x531, x484, x515);
-  let mut x534: u32 = 0;
-  let mut x535: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x534, &mut x535, x533, x486, x517);
-  let mut x536: u32 = 0;
-  let mut x537: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x536, &mut x537, x535, x488, x519);
-  let mut x538: u32 = 0;
-  let mut x539: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x538, &mut x539, x537, x490, x521);
-  let mut x540: u32 = 0;
-  let mut x541: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x540, &mut x541, x539, x492, x523);
-  let mut x542: u32 = 0;
-  let mut x543: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x542, &mut x543, x541, x494, x525);
-  let mut x544: u32 = 0;
-  let mut x545: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x544, &mut x545, x526, 0x5588b13f);
-  let mut x546: u32 = 0;
-  let mut x547: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x546, &mut x547, x544, 0xffffffff);
-  let mut x548: u32 = 0;
-  let mut x549: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x548, &mut x549, x544, 0xffffffff);
-  let mut x550: u32 = 0;
-  let mut x551: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x550, &mut x551, x544, 0xffffffff);
-  let mut x552: u32 = 0;
-  let mut x553: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x552, &mut x553, x544, 0xfffffffe);
-  let mut x554: u32 = 0;
-  let mut x555: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x554, &mut x555, x544, 0xbaaedce6);
-  let mut x556: u32 = 0;
-  let mut x557: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x556, &mut x557, x544, 0xaf48a03b);
-  let mut x558: u32 = 0;
-  let mut x559: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x558, &mut x559, x544, 0xbfd25e8c);
-  let mut x560: u32 = 0;
-  let mut x561: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x560, &mut x561, x544, 0xd0364141);
-  let mut x562: u32 = 0;
-  let mut x563: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x562, &mut x563, 0x0, x561, x558);
-  let mut x564: u32 = 0;
-  let mut x565: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x564, &mut x565, x563, x559, x556);
-  let mut x566: u32 = 0;
-  let mut x567: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x566, &mut x567, x565, x557, x554);
-  let mut x568: u32 = 0;
-  let mut x569: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x568, &mut x569, x567, x555, x552);
-  let mut x570: u32 = 0;
-  let mut x571: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x570, &mut x571, x569, x553, x550);
-  let mut x572: u32 = 0;
-  let mut x573: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x572, &mut x573, x571, x551, x548);
-  let mut x574: u32 = 0;
-  let mut x575: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x574, &mut x575, x573, x549, x546);
-  let x576: u32 = ((x575 as u32) + x547);
-  let mut x577: u32 = 0;
-  let mut x578: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x577, &mut x578, 0x0, x526, x560);
-  let mut x579: u32 = 0;
-  let mut x580: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x579, &mut x580, x578, x528, x562);
-  let mut x581: u32 = 0;
-  let mut x582: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x581, &mut x582, x580, x530, x564);
-  let mut x583: u32 = 0;
-  let mut x584: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x583, &mut x584, x582, x532, x566);
-  let mut x585: u32 = 0;
-  let mut x586: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x585, &mut x586, x584, x534, x568);
-  let mut x587: u32 = 0;
-  let mut x588: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x587, &mut x588, x586, x536, x570);
-  let mut x589: u32 = 0;
-  let mut x590: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x589, &mut x590, x588, x538, x572);
-  let mut x591: u32 = 0;
-  let mut x592: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x591, &mut x592, x590, x540, x574);
-  let mut x593: u32 = 0;
-  let mut x594: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x593, &mut x594, x592, x542, x576);
-  let x595: u32 = ((x594 as u32) + (x543 as u32));
-  let mut x596: u32 = 0;
-  let mut x597: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x596, &mut x597, x6, (arg2[7]));
-  let mut x598: u32 = 0;
-  let mut x599: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x598, &mut x599, x6, (arg2[6]));
-  let mut x600: u32 = 0;
-  let mut x601: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x600, &mut x601, x6, (arg2[5]));
-  let mut x602: u32 = 0;
-  let mut x603: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x602, &mut x603, x6, (arg2[4]));
-  let mut x604: u32 = 0;
-  let mut x605: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x604, &mut x605, x6, (arg2[3]));
-  let mut x606: u32 = 0;
-  let mut x607: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x606, &mut x607, x6, (arg2[2]));
-  let mut x608: u32 = 0;
-  let mut x609: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x608, &mut x609, x6, (arg2[1]));
-  let mut x610: u32 = 0;
-  let mut x611: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x610, &mut x611, x6, (arg2[0]));
-  let mut x612: u32 = 0;
-  let mut x613: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x612, &mut x613, 0x0, x611, x608);
-  let mut x614: u32 = 0;
-  let mut x615: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x614, &mut x615, x613, x609, x606);
-  let mut x616: u32 = 0;
-  let mut x617: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x616, &mut x617, x615, x607, x604);
-  let mut x618: u32 = 0;
-  let mut x619: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x618, &mut x619, x617, x605, x602);
-  let mut x620: u32 = 0;
-  let mut x621: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x620, &mut x621, x619, x603, x600);
-  let mut x622: u32 = 0;
-  let mut x623: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x622, &mut x623, x621, x601, x598);
-  let mut x624: u32 = 0;
-  let mut x625: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x624, &mut x625, x623, x599, x596);
-  let x626: u32 = ((x625 as u32) + x597);
-  let mut x627: u32 = 0;
-  let mut x628: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x627, &mut x628, 0x0, x579, x610);
-  let mut x629: u32 = 0;
-  let mut x630: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x629, &mut x630, x628, x581, x612);
-  let mut x631: u32 = 0;
-  let mut x632: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x631, &mut x632, x630, x583, x614);
-  let mut x633: u32 = 0;
-  let mut x634: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x633, &mut x634, x632, x585, x616);
-  let mut x635: u32 = 0;
-  let mut x636: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x635, &mut x636, x634, x587, x618);
-  let mut x637: u32 = 0;
-  let mut x638: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x637, &mut x638, x636, x589, x620);
-  let mut x639: u32 = 0;
-  let mut x640: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x639, &mut x640, x638, x591, x622);
-  let mut x641: u32 = 0;
-  let mut x642: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x641, &mut x642, x640, x593, x624);
-  let mut x643: u32 = 0;
-  let mut x644: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x643, &mut x644, x642, x595, x626);
-  let mut x645: u32 = 0;
-  let mut x646: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x645, &mut x646, x627, 0x5588b13f);
-  let mut x647: u32 = 0;
-  let mut x648: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x647, &mut x648, x645, 0xffffffff);
-  let mut x649: u32 = 0;
-  let mut x650: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x649, &mut x650, x645, 0xffffffff);
-  let mut x651: u32 = 0;
-  let mut x652: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x651, &mut x652, x645, 0xffffffff);
-  let mut x653: u32 = 0;
-  let mut x654: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x653, &mut x654, x645, 0xfffffffe);
-  let mut x655: u32 = 0;
-  let mut x656: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x655, &mut x656, x645, 0xbaaedce6);
-  let mut x657: u32 = 0;
-  let mut x658: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x657, &mut x658, x645, 0xaf48a03b);
-  let mut x659: u32 = 0;
-  let mut x660: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x659, &mut x660, x645, 0xbfd25e8c);
-  let mut x661: u32 = 0;
-  let mut x662: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x661, &mut x662, x645, 0xd0364141);
-  let mut x663: u32 = 0;
-  let mut x664: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x663, &mut x664, 0x0, x662, x659);
-  let mut x665: u32 = 0;
-  let mut x666: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x665, &mut x666, x664, x660, x657);
-  let mut x667: u32 = 0;
-  let mut x668: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x667, &mut x668, x666, x658, x655);
-  let mut x669: u32 = 0;
-  let mut x670: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x669, &mut x670, x668, x656, x653);
-  let mut x671: u32 = 0;
-  let mut x672: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x671, &mut x672, x670, x654, x651);
-  let mut x673: u32 = 0;
-  let mut x674: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x673, &mut x674, x672, x652, x649);
-  let mut x675: u32 = 0;
-  let mut x676: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x675, &mut x676, x674, x650, x647);
-  let x677: u32 = ((x676 as u32) + x648);
-  let mut x678: u32 = 0;
-  let mut x679: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x678, &mut x679, 0x0, x627, x661);
-  let mut x680: u32 = 0;
-  let mut x681: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x680, &mut x681, x679, x629, x663);
-  let mut x682: u32 = 0;
-  let mut x683: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x682, &mut x683, x681, x631, x665);
-  let mut x684: u32 = 0;
-  let mut x685: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x684, &mut x685, x683, x633, x667);
-  let mut x686: u32 = 0;
-  let mut x687: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x686, &mut x687, x685, x635, x669);
-  let mut x688: u32 = 0;
-  let mut x689: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x688, &mut x689, x687, x637, x671);
-  let mut x690: u32 = 0;
-  let mut x691: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x690, &mut x691, x689, x639, x673);
-  let mut x692: u32 = 0;
-  let mut x693: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x692, &mut x693, x691, x641, x675);
-  let mut x694: u32 = 0;
-  let mut x695: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x694, &mut x695, x693, x643, x677);
-  let x696: u32 = ((x695 as u32) + (x644 as u32));
-  let mut x697: u32 = 0;
-  let mut x698: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x697, &mut x698, x7, (arg2[7]));
-  let mut x699: u32 = 0;
-  let mut x700: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x699, &mut x700, x7, (arg2[6]));
-  let mut x701: u32 = 0;
-  let mut x702: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x701, &mut x702, x7, (arg2[5]));
-  let mut x703: u32 = 0;
-  let mut x704: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x703, &mut x704, x7, (arg2[4]));
-  let mut x705: u32 = 0;
-  let mut x706: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x705, &mut x706, x7, (arg2[3]));
-  let mut x707: u32 = 0;
-  let mut x708: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x707, &mut x708, x7, (arg2[2]));
-  let mut x709: u32 = 0;
-  let mut x710: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x709, &mut x710, x7, (arg2[1]));
-  let mut x711: u32 = 0;
-  let mut x712: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x711, &mut x712, x7, (arg2[0]));
-  let mut x713: u32 = 0;
-  let mut x714: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x713, &mut x714, 0x0, x712, x709);
-  let mut x715: u32 = 0;
-  let mut x716: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x715, &mut x716, x714, x710, x707);
-  let mut x717: u32 = 0;
-  let mut x718: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x717, &mut x718, x716, x708, x705);
-  let mut x719: u32 = 0;
-  let mut x720: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x719, &mut x720, x718, x706, x703);
-  let mut x721: u32 = 0;
-  let mut x722: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x721, &mut x722, x720, x704, x701);
-  let mut x723: u32 = 0;
-  let mut x724: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x723, &mut x724, x722, x702, x699);
-  let mut x725: u32 = 0;
-  let mut x726: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x725, &mut x726, x724, x700, x697);
-  let x727: u32 = ((x726 as u32) + x698);
-  let mut x728: u32 = 0;
-  let mut x729: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x728, &mut x729, 0x0, x680, x711);
-  let mut x730: u32 = 0;
-  let mut x731: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x730, &mut x731, x729, x682, x713);
-  let mut x732: u32 = 0;
-  let mut x733: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x732, &mut x733, x731, x684, x715);
-  let mut x734: u32 = 0;
-  let mut x735: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x734, &mut x735, x733, x686, x717);
-  let mut x736: u32 = 0;
-  let mut x737: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x736, &mut x737, x735, x688, x719);
-  let mut x738: u32 = 0;
-  let mut x739: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x738, &mut x739, x737, x690, x721);
-  let mut x740: u32 = 0;
-  let mut x741: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x740, &mut x741, x739, x692, x723);
-  let mut x742: u32 = 0;
-  let mut x743: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x742, &mut x743, x741, x694, x725);
-  let mut x744: u32 = 0;
-  let mut x745: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x744, &mut x745, x743, x696, x727);
-  let mut x746: u32 = 0;
-  let mut x747: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x746, &mut x747, x728, 0x5588b13f);
-  let mut x748: u32 = 0;
-  let mut x749: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x748, &mut x749, x746, 0xffffffff);
-  let mut x750: u32 = 0;
-  let mut x751: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x750, &mut x751, x746, 0xffffffff);
-  let mut x752: u32 = 0;
-  let mut x753: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x752, &mut x753, x746, 0xffffffff);
-  let mut x754: u32 = 0;
-  let mut x755: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x754, &mut x755, x746, 0xfffffffe);
-  let mut x756: u32 = 0;
-  let mut x757: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x756, &mut x757, x746, 0xbaaedce6);
-  let mut x758: u32 = 0;
-  let mut x759: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x758, &mut x759, x746, 0xaf48a03b);
-  let mut x760: u32 = 0;
-  let mut x761: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x760, &mut x761, x746, 0xbfd25e8c);
-  let mut x762: u32 = 0;
-  let mut x763: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x762, &mut x763, x746, 0xd0364141);
-  let mut x764: u32 = 0;
-  let mut x765: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x764, &mut x765, 0x0, x763, x760);
-  let mut x766: u32 = 0;
-  let mut x767: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x766, &mut x767, x765, x761, x758);
-  let mut x768: u32 = 0;
-  let mut x769: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x768, &mut x769, x767, x759, x756);
-  let mut x770: u32 = 0;
-  let mut x771: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x770, &mut x771, x769, x757, x754);
-  let mut x772: u32 = 0;
-  let mut x773: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x772, &mut x773, x771, x755, x752);
-  let mut x774: u32 = 0;
-  let mut x775: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x774, &mut x775, x773, x753, x750);
-  let mut x776: u32 = 0;
-  let mut x777: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x776, &mut x777, x775, x751, x748);
-  let x778: u32 = ((x777 as u32) + x749);
-  let mut x779: u32 = 0;
-  let mut x780: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x779, &mut x780, 0x0, x728, x762);
-  let mut x781: u32 = 0;
-  let mut x782: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x781, &mut x782, x780, x730, x764);
-  let mut x783: u32 = 0;
-  let mut x784: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x783, &mut x784, x782, x732, x766);
-  let mut x785: u32 = 0;
-  let mut x786: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x785, &mut x786, x784, x734, x768);
-  let mut x787: u32 = 0;
-  let mut x788: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x787, &mut x788, x786, x736, x770);
-  let mut x789: u32 = 0;
-  let mut x790: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x789, &mut x790, x788, x738, x772);
-  let mut x791: u32 = 0;
-  let mut x792: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x791, &mut x792, x790, x740, x774);
-  let mut x793: u32 = 0;
-  let mut x794: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x793, &mut x794, x792, x742, x776);
-  let mut x795: u32 = 0;
-  let mut x796: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x795, &mut x796, x794, x744, x778);
-  let x797: u32 = ((x796 as u32) + (x745 as u32));
-  let mut x798: u32 = 0;
-  let mut x799: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x798, &mut x799, 0x0, x781, 0xd0364141);
-  let mut x800: u32 = 0;
-  let mut x801: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x800, &mut x801, x799, x783, 0xbfd25e8c);
-  let mut x802: u32 = 0;
-  let mut x803: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x802, &mut x803, x801, x785, 0xaf48a03b);
-  let mut x804: u32 = 0;
-  let mut x805: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x804, &mut x805, x803, x787, 0xbaaedce6);
-  let mut x806: u32 = 0;
-  let mut x807: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x806, &mut x807, x805, x789, 0xfffffffe);
-  let mut x808: u32 = 0;
-  let mut x809: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x808, &mut x809, x807, x791, 0xffffffff);
-  let mut x810: u32 = 0;
-  let mut x811: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x810, &mut x811, x809, x793, 0xffffffff);
-  let mut x812: u32 = 0;
-  let mut x813: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x812, &mut x813, x811, x795, 0xffffffff);
-  let mut x814: u32 = 0;
-  let mut x815: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x814, &mut x815, x813, x797, (0x0 as u32));
-  let mut x816: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x816, x815, x798, x781);
-  let mut x817: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x817, x815, x800, x783);
-  let mut x818: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x818, x815, x802, x785);
-  let mut x819: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x819, x815, x804, x787);
-  let mut x820: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x820, x815, x806, x789);
-  let mut x821: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x821, x815, x808, x791);
-  let mut x822: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x822, x815, x810, x793);
-  let mut x823: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x823, x815, x812, x795);
-  out1[0] = x816;
-  out1[1] = x817;
-  out1[2] = x818;
-  out1[3] = x819;
-  out1[4] = x820;
-  out1[5] = x821;
-  out1[6] = x822;
-  out1[7] = x823;
-}
-
-/// The function fiat_secp256k1_scalar_square squares a field element in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg1)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_square(out1: &mut fiat_secp256k1_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_scalar_montgomery_domain_field_element) -> () {
-  let x1: u32 = (arg1[1]);
-  let x2: u32 = (arg1[2]);
-  let x3: u32 = (arg1[3]);
-  let x4: u32 = (arg1[4]);
-  let x5: u32 = (arg1[5]);
-  let x6: u32 = (arg1[6]);
-  let x7: u32 = (arg1[7]);
-  let x8: u32 = (arg1[0]);
-  let mut x9: u32 = 0;
-  let mut x10: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x9, &mut x10, x8, (arg1[7]));
-  let mut x11: u32 = 0;
-  let mut x12: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x11, &mut x12, x8, (arg1[6]));
-  let mut x13: u32 = 0;
-  let mut x14: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x13, &mut x14, x8, (arg1[5]));
-  let mut x15: u32 = 0;
-  let mut x16: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x15, &mut x16, x8, (arg1[4]));
-  let mut x17: u32 = 0;
-  let mut x18: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x17, &mut x18, x8, (arg1[3]));
-  let mut x19: u32 = 0;
-  let mut x20: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x19, &mut x20, x8, (arg1[2]));
-  let mut x21: u32 = 0;
-  let mut x22: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x21, &mut x22, x8, (arg1[1]));
-  let mut x23: u32 = 0;
-  let mut x24: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x23, &mut x24, x8, (arg1[0]));
-  let mut x25: u32 = 0;
-  let mut x26: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x25, &mut x26, 0x0, x24, x21);
-  let mut x27: u32 = 0;
-  let mut x28: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x27, &mut x28, x26, x22, x19);
-  let mut x29: u32 = 0;
-  let mut x30: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x29, &mut x30, x28, x20, x17);
-  let mut x31: u32 = 0;
-  let mut x32: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x31, &mut x32, x30, x18, x15);
-  let mut x33: u32 = 0;
-  let mut x34: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x33, &mut x34, x32, x16, x13);
-  let mut x35: u32 = 0;
-  let mut x36: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x35, &mut x36, x34, x14, x11);
-  let mut x37: u32 = 0;
-  let mut x38: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x37, &mut x38, x36, x12, x9);
-  let x39: u32 = ((x38 as u32) + x10);
-  let mut x40: u32 = 0;
-  let mut x41: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x40, &mut x41, x23, 0x5588b13f);
-  let mut x42: u32 = 0;
-  let mut x43: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x42, &mut x43, x40, 0xffffffff);
-  let mut x44: u32 = 0;
-  let mut x45: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x44, &mut x45, x40, 0xffffffff);
-  let mut x46: u32 = 0;
-  let mut x47: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x46, &mut x47, x40, 0xffffffff);
-  let mut x48: u32 = 0;
-  let mut x49: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x48, &mut x49, x40, 0xfffffffe);
-  let mut x50: u32 = 0;
-  let mut x51: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x50, &mut x51, x40, 0xbaaedce6);
-  let mut x52: u32 = 0;
-  let mut x53: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x52, &mut x53, x40, 0xaf48a03b);
-  let mut x54: u32 = 0;
-  let mut x55: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x54, &mut x55, x40, 0xbfd25e8c);
-  let mut x56: u32 = 0;
-  let mut x57: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x56, &mut x57, x40, 0xd0364141);
-  let mut x58: u32 = 0;
-  let mut x59: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x58, &mut x59, 0x0, x57, x54);
-  let mut x60: u32 = 0;
-  let mut x61: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x60, &mut x61, x59, x55, x52);
-  let mut x62: u32 = 0;
-  let mut x63: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x62, &mut x63, x61, x53, x50);
-  let mut x64: u32 = 0;
-  let mut x65: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x64, &mut x65, x63, x51, x48);
-  let mut x66: u32 = 0;
-  let mut x67: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x66, &mut x67, x65, x49, x46);
-  let mut x68: u32 = 0;
-  let mut x69: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x68, &mut x69, x67, x47, x44);
-  let mut x70: u32 = 0;
-  let mut x71: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x70, &mut x71, x69, x45, x42);
-  let x72: u32 = ((x71 as u32) + x43);
-  let mut x73: u32 = 0;
-  let mut x74: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x73, &mut x74, 0x0, x23, x56);
-  let mut x75: u32 = 0;
-  let mut x76: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x75, &mut x76, x74, x25, x58);
-  let mut x77: u32 = 0;
-  let mut x78: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x77, &mut x78, x76, x27, x60);
-  let mut x79: u32 = 0;
-  let mut x80: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x79, &mut x80, x78, x29, x62);
-  let mut x81: u32 = 0;
-  let mut x82: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x81, &mut x82, x80, x31, x64);
-  let mut x83: u32 = 0;
-  let mut x84: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x83, &mut x84, x82, x33, x66);
-  let mut x85: u32 = 0;
-  let mut x86: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x85, &mut x86, x84, x35, x68);
-  let mut x87: u32 = 0;
-  let mut x88: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x87, &mut x88, x86, x37, x70);
-  let mut x89: u32 = 0;
-  let mut x90: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x89, &mut x90, x88, x39, x72);
-  let mut x91: u32 = 0;
-  let mut x92: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x91, &mut x92, x1, (arg1[7]));
-  let mut x93: u32 = 0;
-  let mut x94: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x93, &mut x94, x1, (arg1[6]));
-  let mut x95: u32 = 0;
-  let mut x96: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x95, &mut x96, x1, (arg1[5]));
-  let mut x97: u32 = 0;
-  let mut x98: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x97, &mut x98, x1, (arg1[4]));
-  let mut x99: u32 = 0;
-  let mut x100: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x99, &mut x100, x1, (arg1[3]));
-  let mut x101: u32 = 0;
-  let mut x102: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x101, &mut x102, x1, (arg1[2]));
-  let mut x103: u32 = 0;
-  let mut x104: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x103, &mut x104, x1, (arg1[1]));
-  let mut x105: u32 = 0;
-  let mut x106: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x105, &mut x106, x1, (arg1[0]));
-  let mut x107: u32 = 0;
-  let mut x108: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x107, &mut x108, 0x0, x106, x103);
-  let mut x109: u32 = 0;
-  let mut x110: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x109, &mut x110, x108, x104, x101);
-  let mut x111: u32 = 0;
-  let mut x112: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x111, &mut x112, x110, x102, x99);
-  let mut x113: u32 = 0;
-  let mut x114: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x113, &mut x114, x112, x100, x97);
-  let mut x115: u32 = 0;
-  let mut x116: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x115, &mut x116, x114, x98, x95);
-  let mut x117: u32 = 0;
-  let mut x118: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x117, &mut x118, x116, x96, x93);
-  let mut x119: u32 = 0;
-  let mut x120: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x119, &mut x120, x118, x94, x91);
-  let x121: u32 = ((x120 as u32) + x92);
-  let mut x122: u32 = 0;
-  let mut x123: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x122, &mut x123, 0x0, x75, x105);
-  let mut x124: u32 = 0;
-  let mut x125: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x124, &mut x125, x123, x77, x107);
-  let mut x126: u32 = 0;
-  let mut x127: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x126, &mut x127, x125, x79, x109);
-  let mut x128: u32 = 0;
-  let mut x129: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x128, &mut x129, x127, x81, x111);
-  let mut x130: u32 = 0;
-  let mut x131: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x130, &mut x131, x129, x83, x113);
-  let mut x132: u32 = 0;
-  let mut x133: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x132, &mut x133, x131, x85, x115);
-  let mut x134: u32 = 0;
-  let mut x135: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x134, &mut x135, x133, x87, x117);
-  let mut x136: u32 = 0;
-  let mut x137: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x136, &mut x137, x135, x89, x119);
-  let mut x138: u32 = 0;
-  let mut x139: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x138, &mut x139, x137, (x90 as u32), x121);
-  let mut x140: u32 = 0;
-  let mut x141: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x140, &mut x141, x122, 0x5588b13f);
-  let mut x142: u32 = 0;
-  let mut x143: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x142, &mut x143, x140, 0xffffffff);
-  let mut x144: u32 = 0;
-  let mut x145: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x144, &mut x145, x140, 0xffffffff);
-  let mut x146: u32 = 0;
-  let mut x147: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x146, &mut x147, x140, 0xffffffff);
-  let mut x148: u32 = 0;
-  let mut x149: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x148, &mut x149, x140, 0xfffffffe);
-  let mut x150: u32 = 0;
-  let mut x151: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x150, &mut x151, x140, 0xbaaedce6);
-  let mut x152: u32 = 0;
-  let mut x153: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x152, &mut x153, x140, 0xaf48a03b);
-  let mut x154: u32 = 0;
-  let mut x155: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x154, &mut x155, x140, 0xbfd25e8c);
-  let mut x156: u32 = 0;
-  let mut x157: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x156, &mut x157, x140, 0xd0364141);
-  let mut x158: u32 = 0;
-  let mut x159: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x158, &mut x159, 0x0, x157, x154);
-  let mut x160: u32 = 0;
-  let mut x161: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x160, &mut x161, x159, x155, x152);
-  let mut x162: u32 = 0;
-  let mut x163: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x162, &mut x163, x161, x153, x150);
-  let mut x164: u32 = 0;
-  let mut x165: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x164, &mut x165, x163, x151, x148);
-  let mut x166: u32 = 0;
-  let mut x167: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x166, &mut x167, x165, x149, x146);
-  let mut x168: u32 = 0;
-  let mut x169: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x168, &mut x169, x167, x147, x144);
-  let mut x170: u32 = 0;
-  let mut x171: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x170, &mut x171, x169, x145, x142);
-  let x172: u32 = ((x171 as u32) + x143);
-  let mut x173: u32 = 0;
-  let mut x174: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x173, &mut x174, 0x0, x122, x156);
-  let mut x175: u32 = 0;
-  let mut x176: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x175, &mut x176, x174, x124, x158);
-  let mut x177: u32 = 0;
-  let mut x178: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x177, &mut x178, x176, x126, x160);
-  let mut x179: u32 = 0;
-  let mut x180: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x179, &mut x180, x178, x128, x162);
-  let mut x181: u32 = 0;
-  let mut x182: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x181, &mut x182, x180, x130, x164);
-  let mut x183: u32 = 0;
-  let mut x184: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x183, &mut x184, x182, x132, x166);
-  let mut x185: u32 = 0;
-  let mut x186: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x185, &mut x186, x184, x134, x168);
-  let mut x187: u32 = 0;
-  let mut x188: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x187, &mut x188, x186, x136, x170);
-  let mut x189: u32 = 0;
-  let mut x190: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x189, &mut x190, x188, x138, x172);
-  let x191: u32 = ((x190 as u32) + (x139 as u32));
-  let mut x192: u32 = 0;
-  let mut x193: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x192, &mut x193, x2, (arg1[7]));
-  let mut x194: u32 = 0;
-  let mut x195: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x194, &mut x195, x2, (arg1[6]));
-  let mut x196: u32 = 0;
-  let mut x197: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x196, &mut x197, x2, (arg1[5]));
-  let mut x198: u32 = 0;
-  let mut x199: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x198, &mut x199, x2, (arg1[4]));
-  let mut x200: u32 = 0;
-  let mut x201: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x200, &mut x201, x2, (arg1[3]));
-  let mut x202: u32 = 0;
-  let mut x203: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x202, &mut x203, x2, (arg1[2]));
-  let mut x204: u32 = 0;
-  let mut x205: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x204, &mut x205, x2, (arg1[1]));
-  let mut x206: u32 = 0;
-  let mut x207: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x206, &mut x207, x2, (arg1[0]));
-  let mut x208: u32 = 0;
-  let mut x209: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x208, &mut x209, 0x0, x207, x204);
-  let mut x210: u32 = 0;
-  let mut x211: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x210, &mut x211, x209, x205, x202);
-  let mut x212: u32 = 0;
-  let mut x213: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x212, &mut x213, x211, x203, x200);
-  let mut x214: u32 = 0;
-  let mut x215: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x214, &mut x215, x213, x201, x198);
-  let mut x216: u32 = 0;
-  let mut x217: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x216, &mut x217, x215, x199, x196);
-  let mut x218: u32 = 0;
-  let mut x219: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x218, &mut x219, x217, x197, x194);
-  let mut x220: u32 = 0;
-  let mut x221: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x220, &mut x221, x219, x195, x192);
-  let x222: u32 = ((x221 as u32) + x193);
-  let mut x223: u32 = 0;
-  let mut x224: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x223, &mut x224, 0x0, x175, x206);
-  let mut x225: u32 = 0;
-  let mut x226: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x225, &mut x226, x224, x177, x208);
-  let mut x227: u32 = 0;
-  let mut x228: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x227, &mut x228, x226, x179, x210);
-  let mut x229: u32 = 0;
-  let mut x230: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x229, &mut x230, x228, x181, x212);
-  let mut x231: u32 = 0;
-  let mut x232: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x231, &mut x232, x230, x183, x214);
-  let mut x233: u32 = 0;
-  let mut x234: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x233, &mut x234, x232, x185, x216);
-  let mut x235: u32 = 0;
-  let mut x236: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x235, &mut x236, x234, x187, x218);
-  let mut x237: u32 = 0;
-  let mut x238: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x237, &mut x238, x236, x189, x220);
-  let mut x239: u32 = 0;
-  let mut x240: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x239, &mut x240, x238, x191, x222);
-  let mut x241: u32 = 0;
-  let mut x242: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x241, &mut x242, x223, 0x5588b13f);
-  let mut x243: u32 = 0;
-  let mut x244: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x243, &mut x244, x241, 0xffffffff);
-  let mut x245: u32 = 0;
-  let mut x246: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x245, &mut x246, x241, 0xffffffff);
-  let mut x247: u32 = 0;
-  let mut x248: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x247, &mut x248, x241, 0xffffffff);
-  let mut x249: u32 = 0;
-  let mut x250: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x249, &mut x250, x241, 0xfffffffe);
-  let mut x251: u32 = 0;
-  let mut x252: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x251, &mut x252, x241, 0xbaaedce6);
-  let mut x253: u32 = 0;
-  let mut x254: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x253, &mut x254, x241, 0xaf48a03b);
-  let mut x255: u32 = 0;
-  let mut x256: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x255, &mut x256, x241, 0xbfd25e8c);
-  let mut x257: u32 = 0;
-  let mut x258: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x257, &mut x258, x241, 0xd0364141);
-  let mut x259: u32 = 0;
-  let mut x260: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x259, &mut x260, 0x0, x258, x255);
-  let mut x261: u32 = 0;
-  let mut x262: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x261, &mut x262, x260, x256, x253);
-  let mut x263: u32 = 0;
-  let mut x264: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x263, &mut x264, x262, x254, x251);
-  let mut x265: u32 = 0;
-  let mut x266: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x265, &mut x266, x264, x252, x249);
-  let mut x267: u32 = 0;
-  let mut x268: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x267, &mut x268, x266, x250, x247);
-  let mut x269: u32 = 0;
-  let mut x270: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x269, &mut x270, x268, x248, x245);
-  let mut x271: u32 = 0;
-  let mut x272: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x271, &mut x272, x270, x246, x243);
-  let x273: u32 = ((x272 as u32) + x244);
-  let mut x274: u32 = 0;
-  let mut x275: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x274, &mut x275, 0x0, x223, x257);
-  let mut x276: u32 = 0;
-  let mut x277: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x276, &mut x277, x275, x225, x259);
-  let mut x278: u32 = 0;
-  let mut x279: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x278, &mut x279, x277, x227, x261);
-  let mut x280: u32 = 0;
-  let mut x281: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x280, &mut x281, x279, x229, x263);
-  let mut x282: u32 = 0;
-  let mut x283: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x282, &mut x283, x281, x231, x265);
-  let mut x284: u32 = 0;
-  let mut x285: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x284, &mut x285, x283, x233, x267);
-  let mut x286: u32 = 0;
-  let mut x287: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x286, &mut x287, x285, x235, x269);
-  let mut x288: u32 = 0;
-  let mut x289: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x288, &mut x289, x287, x237, x271);
-  let mut x290: u32 = 0;
-  let mut x291: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x290, &mut x291, x289, x239, x273);
-  let x292: u32 = ((x291 as u32) + (x240 as u32));
-  let mut x293: u32 = 0;
-  let mut x294: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x293, &mut x294, x3, (arg1[7]));
-  let mut x295: u32 = 0;
-  let mut x296: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x295, &mut x296, x3, (arg1[6]));
-  let mut x297: u32 = 0;
-  let mut x298: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x297, &mut x298, x3, (arg1[5]));
-  let mut x299: u32 = 0;
-  let mut x300: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x299, &mut x300, x3, (arg1[4]));
-  let mut x301: u32 = 0;
-  let mut x302: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x301, &mut x302, x3, (arg1[3]));
-  let mut x303: u32 = 0;
-  let mut x304: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x303, &mut x304, x3, (arg1[2]));
-  let mut x305: u32 = 0;
-  let mut x306: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x305, &mut x306, x3, (arg1[1]));
-  let mut x307: u32 = 0;
-  let mut x308: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x307, &mut x308, x3, (arg1[0]));
-  let mut x309: u32 = 0;
-  let mut x310: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x309, &mut x310, 0x0, x308, x305);
-  let mut x311: u32 = 0;
-  let mut x312: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x311, &mut x312, x310, x306, x303);
-  let mut x313: u32 = 0;
-  let mut x314: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x313, &mut x314, x312, x304, x301);
-  let mut x315: u32 = 0;
-  let mut x316: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x315, &mut x316, x314, x302, x299);
-  let mut x317: u32 = 0;
-  let mut x318: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x317, &mut x318, x316, x300, x297);
-  let mut x319: u32 = 0;
-  let mut x320: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x319, &mut x320, x318, x298, x295);
-  let mut x321: u32 = 0;
-  let mut x322: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x321, &mut x322, x320, x296, x293);
-  let x323: u32 = ((x322 as u32) + x294);
-  let mut x324: u32 = 0;
-  let mut x325: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x324, &mut x325, 0x0, x276, x307);
-  let mut x326: u32 = 0;
-  let mut x327: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x326, &mut x327, x325, x278, x309);
-  let mut x328: u32 = 0;
-  let mut x329: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x328, &mut x329, x327, x280, x311);
-  let mut x330: u32 = 0;
-  let mut x331: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x330, &mut x331, x329, x282, x313);
-  let mut x332: u32 = 0;
-  let mut x333: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x332, &mut x333, x331, x284, x315);
-  let mut x334: u32 = 0;
-  let mut x335: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x334, &mut x335, x333, x286, x317);
-  let mut x336: u32 = 0;
-  let mut x337: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x336, &mut x337, x335, x288, x319);
-  let mut x338: u32 = 0;
-  let mut x339: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x338, &mut x339, x337, x290, x321);
-  let mut x340: u32 = 0;
-  let mut x341: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x340, &mut x341, x339, x292, x323);
-  let mut x342: u32 = 0;
-  let mut x343: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x342, &mut x343, x324, 0x5588b13f);
-  let mut x344: u32 = 0;
-  let mut x345: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x344, &mut x345, x342, 0xffffffff);
-  let mut x346: u32 = 0;
-  let mut x347: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x346, &mut x347, x342, 0xffffffff);
-  let mut x348: u32 = 0;
-  let mut x349: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x348, &mut x349, x342, 0xffffffff);
-  let mut x350: u32 = 0;
-  let mut x351: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x350, &mut x351, x342, 0xfffffffe);
-  let mut x352: u32 = 0;
-  let mut x353: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x352, &mut x353, x342, 0xbaaedce6);
-  let mut x354: u32 = 0;
-  let mut x355: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x354, &mut x355, x342, 0xaf48a03b);
-  let mut x356: u32 = 0;
-  let mut x357: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x356, &mut x357, x342, 0xbfd25e8c);
-  let mut x358: u32 = 0;
-  let mut x359: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x358, &mut x359, x342, 0xd0364141);
-  let mut x360: u32 = 0;
-  let mut x361: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x360, &mut x361, 0x0, x359, x356);
-  let mut x362: u32 = 0;
-  let mut x363: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x362, &mut x363, x361, x357, x354);
-  let mut x364: u32 = 0;
-  let mut x365: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x364, &mut x365, x363, x355, x352);
-  let mut x366: u32 = 0;
-  let mut x367: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x366, &mut x367, x365, x353, x350);
-  let mut x368: u32 = 0;
-  let mut x369: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x368, &mut x369, x367, x351, x348);
-  let mut x370: u32 = 0;
-  let mut x371: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x370, &mut x371, x369, x349, x346);
-  let mut x372: u32 = 0;
-  let mut x373: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x372, &mut x373, x371, x347, x344);
-  let x374: u32 = ((x373 as u32) + x345);
-  let mut x375: u32 = 0;
-  let mut x376: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x375, &mut x376, 0x0, x324, x358);
-  let mut x377: u32 = 0;
-  let mut x378: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x377, &mut x378, x376, x326, x360);
-  let mut x379: u32 = 0;
-  let mut x380: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x379, &mut x380, x378, x328, x362);
-  let mut x381: u32 = 0;
-  let mut x382: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x381, &mut x382, x380, x330, x364);
-  let mut x383: u32 = 0;
-  let mut x384: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x383, &mut x384, x382, x332, x366);
-  let mut x385: u32 = 0;
-  let mut x386: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x385, &mut x386, x384, x334, x368);
-  let mut x387: u32 = 0;
-  let mut x388: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x387, &mut x388, x386, x336, x370);
-  let mut x389: u32 = 0;
-  let mut x390: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x389, &mut x390, x388, x338, x372);
-  let mut x391: u32 = 0;
-  let mut x392: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x391, &mut x392, x390, x340, x374);
-  let x393: u32 = ((x392 as u32) + (x341 as u32));
-  let mut x394: u32 = 0;
-  let mut x395: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x394, &mut x395, x4, (arg1[7]));
-  let mut x396: u32 = 0;
-  let mut x397: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x396, &mut x397, x4, (arg1[6]));
-  let mut x398: u32 = 0;
-  let mut x399: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x398, &mut x399, x4, (arg1[5]));
-  let mut x400: u32 = 0;
-  let mut x401: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x400, &mut x401, x4, (arg1[4]));
-  let mut x402: u32 = 0;
-  let mut x403: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x402, &mut x403, x4, (arg1[3]));
-  let mut x404: u32 = 0;
-  let mut x405: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x404, &mut x405, x4, (arg1[2]));
-  let mut x406: u32 = 0;
-  let mut x407: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x406, &mut x407, x4, (arg1[1]));
-  let mut x408: u32 = 0;
-  let mut x409: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x408, &mut x409, x4, (arg1[0]));
-  let mut x410: u32 = 0;
-  let mut x411: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x410, &mut x411, 0x0, x409, x406);
-  let mut x412: u32 = 0;
-  let mut x413: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x412, &mut x413, x411, x407, x404);
-  let mut x414: u32 = 0;
-  let mut x415: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x414, &mut x415, x413, x405, x402);
-  let mut x416: u32 = 0;
-  let mut x417: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x416, &mut x417, x415, x403, x400);
-  let mut x418: u32 = 0;
-  let mut x419: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x418, &mut x419, x417, x401, x398);
-  let mut x420: u32 = 0;
-  let mut x421: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x420, &mut x421, x419, x399, x396);
-  let mut x422: u32 = 0;
-  let mut x423: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x422, &mut x423, x421, x397, x394);
-  let x424: u32 = ((x423 as u32) + x395);
-  let mut x425: u32 = 0;
-  let mut x426: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x425, &mut x426, 0x0, x377, x408);
-  let mut x427: u32 = 0;
-  let mut x428: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x427, &mut x428, x426, x379, x410);
-  let mut x429: u32 = 0;
-  let mut x430: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x429, &mut x430, x428, x381, x412);
-  let mut x431: u32 = 0;
-  let mut x432: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x431, &mut x432, x430, x383, x414);
-  let mut x433: u32 = 0;
-  let mut x434: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x433, &mut x434, x432, x385, x416);
-  let mut x435: u32 = 0;
-  let mut x436: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x435, &mut x436, x434, x387, x418);
-  let mut x437: u32 = 0;
-  let mut x438: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x437, &mut x438, x436, x389, x420);
-  let mut x439: u32 = 0;
-  let mut x440: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x439, &mut x440, x438, x391, x422);
-  let mut x441: u32 = 0;
-  let mut x442: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x441, &mut x442, x440, x393, x424);
-  let mut x443: u32 = 0;
-  let mut x444: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x443, &mut x444, x425, 0x5588b13f);
-  let mut x445: u32 = 0;
-  let mut x446: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x445, &mut x446, x443, 0xffffffff);
-  let mut x447: u32 = 0;
-  let mut x448: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x447, &mut x448, x443, 0xffffffff);
-  let mut x449: u32 = 0;
-  let mut x450: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x449, &mut x450, x443, 0xffffffff);
-  let mut x451: u32 = 0;
-  let mut x452: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x451, &mut x452, x443, 0xfffffffe);
-  let mut x453: u32 = 0;
-  let mut x454: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x453, &mut x454, x443, 0xbaaedce6);
-  let mut x455: u32 = 0;
-  let mut x456: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x455, &mut x456, x443, 0xaf48a03b);
-  let mut x457: u32 = 0;
-  let mut x458: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x457, &mut x458, x443, 0xbfd25e8c);
-  let mut x459: u32 = 0;
-  let mut x460: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x459, &mut x460, x443, 0xd0364141);
-  let mut x461: u32 = 0;
-  let mut x462: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x461, &mut x462, 0x0, x460, x457);
-  let mut x463: u32 = 0;
-  let mut x464: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x463, &mut x464, x462, x458, x455);
-  let mut x465: u32 = 0;
-  let mut x466: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x465, &mut x466, x464, x456, x453);
-  let mut x467: u32 = 0;
-  let mut x468: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x467, &mut x468, x466, x454, x451);
-  let mut x469: u32 = 0;
-  let mut x470: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x469, &mut x470, x468, x452, x449);
-  let mut x471: u32 = 0;
-  let mut x472: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x471, &mut x472, x470, x450, x447);
-  let mut x473: u32 = 0;
-  let mut x474: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x473, &mut x474, x472, x448, x445);
-  let x475: u32 = ((x474 as u32) + x446);
-  let mut x476: u32 = 0;
-  let mut x477: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x476, &mut x477, 0x0, x425, x459);
-  let mut x478: u32 = 0;
-  let mut x479: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x478, &mut x479, x477, x427, x461);
-  let mut x480: u32 = 0;
-  let mut x481: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x480, &mut x481, x479, x429, x463);
-  let mut x482: u32 = 0;
-  let mut x483: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x482, &mut x483, x481, x431, x465);
-  let mut x484: u32 = 0;
-  let mut x485: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x484, &mut x485, x483, x433, x467);
-  let mut x486: u32 = 0;
-  let mut x487: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x486, &mut x487, x485, x435, x469);
-  let mut x488: u32 = 0;
-  let mut x489: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x488, &mut x489, x487, x437, x471);
-  let mut x490: u32 = 0;
-  let mut x491: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x490, &mut x491, x489, x439, x473);
-  let mut x492: u32 = 0;
-  let mut x493: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x492, &mut x493, x491, x441, x475);
-  let x494: u32 = ((x493 as u32) + (x442 as u32));
-  let mut x495: u32 = 0;
-  let mut x496: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x495, &mut x496, x5, (arg1[7]));
-  let mut x497: u32 = 0;
-  let mut x498: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x497, &mut x498, x5, (arg1[6]));
-  let mut x499: u32 = 0;
-  let mut x500: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x499, &mut x500, x5, (arg1[5]));
-  let mut x501: u32 = 0;
-  let mut x502: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x501, &mut x502, x5, (arg1[4]));
-  let mut x503: u32 = 0;
-  let mut x504: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x503, &mut x504, x5, (arg1[3]));
-  let mut x505: u32 = 0;
-  let mut x506: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x505, &mut x506, x5, (arg1[2]));
-  let mut x507: u32 = 0;
-  let mut x508: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x507, &mut x508, x5, (arg1[1]));
-  let mut x509: u32 = 0;
-  let mut x510: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x509, &mut x510, x5, (arg1[0]));
-  let mut x511: u32 = 0;
-  let mut x512: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x511, &mut x512, 0x0, x510, x507);
-  let mut x513: u32 = 0;
-  let mut x514: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x513, &mut x514, x512, x508, x505);
-  let mut x515: u32 = 0;
-  let mut x516: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x515, &mut x516, x514, x506, x503);
-  let mut x517: u32 = 0;
-  let mut x518: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x517, &mut x518, x516, x504, x501);
-  let mut x519: u32 = 0;
-  let mut x520: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x519, &mut x520, x518, x502, x499);
-  let mut x521: u32 = 0;
-  let mut x522: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x521, &mut x522, x520, x500, x497);
-  let mut x523: u32 = 0;
-  let mut x524: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x523, &mut x524, x522, x498, x495);
-  let x525: u32 = ((x524 as u32) + x496);
-  let mut x526: u32 = 0;
-  let mut x527: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x526, &mut x527, 0x0, x478, x509);
-  let mut x528: u32 = 0;
-  let mut x529: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x528, &mut x529, x527, x480, x511);
-  let mut x530: u32 = 0;
-  let mut x531: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x530, &mut x531, x529, x482, x513);
-  let mut x532: u32 = 0;
-  let mut x533: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x532, &mut x533, x531, x484, x515);
-  let mut x534: u32 = 0;
-  let mut x535: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x534, &mut x535, x533, x486, x517);
-  let mut x536: u32 = 0;
-  let mut x537: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x536, &mut x537, x535, x488, x519);
-  let mut x538: u32 = 0;
-  let mut x539: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x538, &mut x539, x537, x490, x521);
-  let mut x540: u32 = 0;
-  let mut x541: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x540, &mut x541, x539, x492, x523);
-  let mut x542: u32 = 0;
-  let mut x543: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x542, &mut x543, x541, x494, x525);
-  let mut x544: u32 = 0;
-  let mut x545: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x544, &mut x545, x526, 0x5588b13f);
-  let mut x546: u32 = 0;
-  let mut x547: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x546, &mut x547, x544, 0xffffffff);
-  let mut x548: u32 = 0;
-  let mut x549: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x548, &mut x549, x544, 0xffffffff);
-  let mut x550: u32 = 0;
-  let mut x551: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x550, &mut x551, x544, 0xffffffff);
-  let mut x552: u32 = 0;
-  let mut x553: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x552, &mut x553, x544, 0xfffffffe);
-  let mut x554: u32 = 0;
-  let mut x555: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x554, &mut x555, x544, 0xbaaedce6);
-  let mut x556: u32 = 0;
-  let mut x557: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x556, &mut x557, x544, 0xaf48a03b);
-  let mut x558: u32 = 0;
-  let mut x559: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x558, &mut x559, x544, 0xbfd25e8c);
-  let mut x560: u32 = 0;
-  let mut x561: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x560, &mut x561, x544, 0xd0364141);
-  let mut x562: u32 = 0;
-  let mut x563: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x562, &mut x563, 0x0, x561, x558);
-  let mut x564: u32 = 0;
-  let mut x565: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x564, &mut x565, x563, x559, x556);
-  let mut x566: u32 = 0;
-  let mut x567: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x566, &mut x567, x565, x557, x554);
-  let mut x568: u32 = 0;
-  let mut x569: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x568, &mut x569, x567, x555, x552);
-  let mut x570: u32 = 0;
-  let mut x571: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x570, &mut x571, x569, x553, x550);
-  let mut x572: u32 = 0;
-  let mut x573: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x572, &mut x573, x571, x551, x548);
-  let mut x574: u32 = 0;
-  let mut x575: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x574, &mut x575, x573, x549, x546);
-  let x576: u32 = ((x575 as u32) + x547);
-  let mut x577: u32 = 0;
-  let mut x578: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x577, &mut x578, 0x0, x526, x560);
-  let mut x579: u32 = 0;
-  let mut x580: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x579, &mut x580, x578, x528, x562);
-  let mut x581: u32 = 0;
-  let mut x582: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x581, &mut x582, x580, x530, x564);
-  let mut x583: u32 = 0;
-  let mut x584: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x583, &mut x584, x582, x532, x566);
-  let mut x585: u32 = 0;
-  let mut x586: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x585, &mut x586, x584, x534, x568);
-  let mut x587: u32 = 0;
-  let mut x588: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x587, &mut x588, x586, x536, x570);
-  let mut x589: u32 = 0;
-  let mut x590: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x589, &mut x590, x588, x538, x572);
-  let mut x591: u32 = 0;
-  let mut x592: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x591, &mut x592, x590, x540, x574);
-  let mut x593: u32 = 0;
-  let mut x594: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x593, &mut x594, x592, x542, x576);
-  let x595: u32 = ((x594 as u32) + (x543 as u32));
-  let mut x596: u32 = 0;
-  let mut x597: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x596, &mut x597, x6, (arg1[7]));
-  let mut x598: u32 = 0;
-  let mut x599: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x598, &mut x599, x6, (arg1[6]));
-  let mut x600: u32 = 0;
-  let mut x601: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x600, &mut x601, x6, (arg1[5]));
-  let mut x602: u32 = 0;
-  let mut x603: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x602, &mut x603, x6, (arg1[4]));
-  let mut x604: u32 = 0;
-  let mut x605: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x604, &mut x605, x6, (arg1[3]));
-  let mut x606: u32 = 0;
-  let mut x607: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x606, &mut x607, x6, (arg1[2]));
-  let mut x608: u32 = 0;
-  let mut x609: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x608, &mut x609, x6, (arg1[1]));
-  let mut x610: u32 = 0;
-  let mut x611: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x610, &mut x611, x6, (arg1[0]));
-  let mut x612: u32 = 0;
-  let mut x613: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x612, &mut x613, 0x0, x611, x608);
-  let mut x614: u32 = 0;
-  let mut x615: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x614, &mut x615, x613, x609, x606);
-  let mut x616: u32 = 0;
-  let mut x617: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x616, &mut x617, x615, x607, x604);
-  let mut x618: u32 = 0;
-  let mut x619: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x618, &mut x619, x617, x605, x602);
-  let mut x620: u32 = 0;
-  let mut x621: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x620, &mut x621, x619, x603, x600);
-  let mut x622: u32 = 0;
-  let mut x623: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x622, &mut x623, x621, x601, x598);
-  let mut x624: u32 = 0;
-  let mut x625: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x624, &mut x625, x623, x599, x596);
-  let x626: u32 = ((x625 as u32) + x597);
-  let mut x627: u32 = 0;
-  let mut x628: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x627, &mut x628, 0x0, x579, x610);
-  let mut x629: u32 = 0;
-  let mut x630: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x629, &mut x630, x628, x581, x612);
-  let mut x631: u32 = 0;
-  let mut x632: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x631, &mut x632, x630, x583, x614);
-  let mut x633: u32 = 0;
-  let mut x634: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x633, &mut x634, x632, x585, x616);
-  let mut x635: u32 = 0;
-  let mut x636: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x635, &mut x636, x634, x587, x618);
-  let mut x637: u32 = 0;
-  let mut x638: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x637, &mut x638, x636, x589, x620);
-  let mut x639: u32 = 0;
-  let mut x640: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x639, &mut x640, x638, x591, x622);
-  let mut x641: u32 = 0;
-  let mut x642: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x641, &mut x642, x640, x593, x624);
-  let mut x643: u32 = 0;
-  let mut x644: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x643, &mut x644, x642, x595, x626);
-  let mut x645: u32 = 0;
-  let mut x646: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x645, &mut x646, x627, 0x5588b13f);
-  let mut x647: u32 = 0;
-  let mut x648: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x647, &mut x648, x645, 0xffffffff);
-  let mut x649: u32 = 0;
-  let mut x650: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x649, &mut x650, x645, 0xffffffff);
-  let mut x651: u32 = 0;
-  let mut x652: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x651, &mut x652, x645, 0xffffffff);
-  let mut x653: u32 = 0;
-  let mut x654: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x653, &mut x654, x645, 0xfffffffe);
-  let mut x655: u32 = 0;
-  let mut x656: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x655, &mut x656, x645, 0xbaaedce6);
-  let mut x657: u32 = 0;
-  let mut x658: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x657, &mut x658, x645, 0xaf48a03b);
-  let mut x659: u32 = 0;
-  let mut x660: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x659, &mut x660, x645, 0xbfd25e8c);
-  let mut x661: u32 = 0;
-  let mut x662: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x661, &mut x662, x645, 0xd0364141);
-  let mut x663: u32 = 0;
-  let mut x664: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x663, &mut x664, 0x0, x662, x659);
-  let mut x665: u32 = 0;
-  let mut x666: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x665, &mut x666, x664, x660, x657);
-  let mut x667: u32 = 0;
-  let mut x668: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x667, &mut x668, x666, x658, x655);
-  let mut x669: u32 = 0;
-  let mut x670: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x669, &mut x670, x668, x656, x653);
-  let mut x671: u32 = 0;
-  let mut x672: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x671, &mut x672, x670, x654, x651);
-  let mut x673: u32 = 0;
-  let mut x674: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x673, &mut x674, x672, x652, x649);
-  let mut x675: u32 = 0;
-  let mut x676: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x675, &mut x676, x674, x650, x647);
-  let x677: u32 = ((x676 as u32) + x648);
-  let mut x678: u32 = 0;
-  let mut x679: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x678, &mut x679, 0x0, x627, x661);
-  let mut x680: u32 = 0;
-  let mut x681: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x680, &mut x681, x679, x629, x663);
-  let mut x682: u32 = 0;
-  let mut x683: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x682, &mut x683, x681, x631, x665);
-  let mut x684: u32 = 0;
-  let mut x685: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x684, &mut x685, x683, x633, x667);
-  let mut x686: u32 = 0;
-  let mut x687: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x686, &mut x687, x685, x635, x669);
-  let mut x688: u32 = 0;
-  let mut x689: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x688, &mut x689, x687, x637, x671);
-  let mut x690: u32 = 0;
-  let mut x691: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x690, &mut x691, x689, x639, x673);
-  let mut x692: u32 = 0;
-  let mut x693: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x692, &mut x693, x691, x641, x675);
-  let mut x694: u32 = 0;
-  let mut x695: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x694, &mut x695, x693, x643, x677);
-  let x696: u32 = ((x695 as u32) + (x644 as u32));
-  let mut x697: u32 = 0;
-  let mut x698: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x697, &mut x698, x7, (arg1[7]));
-  let mut x699: u32 = 0;
-  let mut x700: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x699, &mut x700, x7, (arg1[6]));
-  let mut x701: u32 = 0;
-  let mut x702: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x701, &mut x702, x7, (arg1[5]));
-  let mut x703: u32 = 0;
-  let mut x704: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x703, &mut x704, x7, (arg1[4]));
-  let mut x705: u32 = 0;
-  let mut x706: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x705, &mut x706, x7, (arg1[3]));
-  let mut x707: u32 = 0;
-  let mut x708: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x707, &mut x708, x7, (arg1[2]));
-  let mut x709: u32 = 0;
-  let mut x710: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x709, &mut x710, x7, (arg1[1]));
-  let mut x711: u32 = 0;
-  let mut x712: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x711, &mut x712, x7, (arg1[0]));
-  let mut x713: u32 = 0;
-  let mut x714: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x713, &mut x714, 0x0, x712, x709);
-  let mut x715: u32 = 0;
-  let mut x716: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x715, &mut x716, x714, x710, x707);
-  let mut x717: u32 = 0;
-  let mut x718: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x717, &mut x718, x716, x708, x705);
-  let mut x719: u32 = 0;
-  let mut x720: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x719, &mut x720, x718, x706, x703);
-  let mut x721: u32 = 0;
-  let mut x722: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x721, &mut x722, x720, x704, x701);
-  let mut x723: u32 = 0;
-  let mut x724: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x723, &mut x724, x722, x702, x699);
-  let mut x725: u32 = 0;
-  let mut x726: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x725, &mut x726, x724, x700, x697);
-  let x727: u32 = ((x726 as u32) + x698);
-  let mut x728: u32 = 0;
-  let mut x729: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x728, &mut x729, 0x0, x680, x711);
-  let mut x730: u32 = 0;
-  let mut x731: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x730, &mut x731, x729, x682, x713);
-  let mut x732: u32 = 0;
-  let mut x733: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x732, &mut x733, x731, x684, x715);
-  let mut x734: u32 = 0;
-  let mut x735: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x734, &mut x735, x733, x686, x717);
-  let mut x736: u32 = 0;
-  let mut x737: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x736, &mut x737, x735, x688, x719);
-  let mut x738: u32 = 0;
-  let mut x739: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x738, &mut x739, x737, x690, x721);
-  let mut x740: u32 = 0;
-  let mut x741: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x740, &mut x741, x739, x692, x723);
-  let mut x742: u32 = 0;
-  let mut x743: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x742, &mut x743, x741, x694, x725);
-  let mut x744: u32 = 0;
-  let mut x745: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x744, &mut x745, x743, x696, x727);
-  let mut x746: u32 = 0;
-  let mut x747: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x746, &mut x747, x728, 0x5588b13f);
-  let mut x748: u32 = 0;
-  let mut x749: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x748, &mut x749, x746, 0xffffffff);
-  let mut x750: u32 = 0;
-  let mut x751: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x750, &mut x751, x746, 0xffffffff);
-  let mut x752: u32 = 0;
-  let mut x753: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x752, &mut x753, x746, 0xffffffff);
-  let mut x754: u32 = 0;
-  let mut x755: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x754, &mut x755, x746, 0xfffffffe);
-  let mut x756: u32 = 0;
-  let mut x757: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x756, &mut x757, x746, 0xbaaedce6);
-  let mut x758: u32 = 0;
-  let mut x759: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x758, &mut x759, x746, 0xaf48a03b);
-  let mut x760: u32 = 0;
-  let mut x761: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x760, &mut x761, x746, 0xbfd25e8c);
-  let mut x762: u32 = 0;
-  let mut x763: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x762, &mut x763, x746, 0xd0364141);
-  let mut x764: u32 = 0;
-  let mut x765: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x764, &mut x765, 0x0, x763, x760);
-  let mut x766: u32 = 0;
-  let mut x767: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x766, &mut x767, x765, x761, x758);
-  let mut x768: u32 = 0;
-  let mut x769: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x768, &mut x769, x767, x759, x756);
-  let mut x770: u32 = 0;
-  let mut x771: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x770, &mut x771, x769, x757, x754);
-  let mut x772: u32 = 0;
-  let mut x773: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x772, &mut x773, x771, x755, x752);
-  let mut x774: u32 = 0;
-  let mut x775: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x774, &mut x775, x773, x753, x750);
-  let mut x776: u32 = 0;
-  let mut x777: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x776, &mut x777, x775, x751, x748);
-  let x778: u32 = ((x777 as u32) + x749);
-  let mut x779: u32 = 0;
-  let mut x780: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x779, &mut x780, 0x0, x728, x762);
-  let mut x781: u32 = 0;
-  let mut x782: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x781, &mut x782, x780, x730, x764);
-  let mut x783: u32 = 0;
-  let mut x784: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x783, &mut x784, x782, x732, x766);
-  let mut x785: u32 = 0;
-  let mut x786: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x785, &mut x786, x784, x734, x768);
-  let mut x787: u32 = 0;
-  let mut x788: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x787, &mut x788, x786, x736, x770);
-  let mut x789: u32 = 0;
-  let mut x790: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x789, &mut x790, x788, x738, x772);
-  let mut x791: u32 = 0;
-  let mut x792: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x791, &mut x792, x790, x740, x774);
-  let mut x793: u32 = 0;
-  let mut x794: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x793, &mut x794, x792, x742, x776);
-  let mut x795: u32 = 0;
-  let mut x796: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x795, &mut x796, x794, x744, x778);
-  let x797: u32 = ((x796 as u32) + (x745 as u32));
-  let mut x798: u32 = 0;
-  let mut x799: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x798, &mut x799, 0x0, x781, 0xd0364141);
-  let mut x800: u32 = 0;
-  let mut x801: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x800, &mut x801, x799, x783, 0xbfd25e8c);
-  let mut x802: u32 = 0;
-  let mut x803: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x802, &mut x803, x801, x785, 0xaf48a03b);
-  let mut x804: u32 = 0;
-  let mut x805: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x804, &mut x805, x803, x787, 0xbaaedce6);
-  let mut x806: u32 = 0;
-  let mut x807: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x806, &mut x807, x805, x789, 0xfffffffe);
-  let mut x808: u32 = 0;
-  let mut x809: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x808, &mut x809, x807, x791, 0xffffffff);
-  let mut x810: u32 = 0;
-  let mut x811: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x810, &mut x811, x809, x793, 0xffffffff);
-  let mut x812: u32 = 0;
-  let mut x813: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x812, &mut x813, x811, x795, 0xffffffff);
-  let mut x814: u32 = 0;
-  let mut x815: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x814, &mut x815, x813, x797, (0x0 as u32));
-  let mut x816: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x816, x815, x798, x781);
-  let mut x817: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x817, x815, x800, x783);
-  let mut x818: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x818, x815, x802, x785);
-  let mut x819: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x819, x815, x804, x787);
-  let mut x820: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x820, x815, x806, x789);
-  let mut x821: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x821, x815, x808, x791);
-  let mut x822: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x822, x815, x810, x793);
-  let mut x823: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x823, x815, x812, x795);
-  out1[0] = x816;
-  out1[1] = x817;
-  out1[2] = x818;
-  out1[3] = x819;
-  out1[4] = x820;
-  out1[5] = x821;
-  out1[6] = x822;
-  out1[7] = x823;
-}
-
-/// The function fiat_secp256k1_scalar_add adds two field elements in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-///   0 ≤ eval arg2 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) + eval (from_montgomery arg2)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_add(out1: &mut fiat_secp256k1_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_scalar_montgomery_domain_field_element, arg2: &fiat_secp256k1_scalar_montgomery_domain_field_element) -> () {
-  let mut x1: u32 = 0;
-  let mut x2: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
-  let mut x3: u32 = 0;
-  let mut x4: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
-  let mut x5: u32 = 0;
-  let mut x6: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
-  let mut x7: u32 = 0;
-  let mut x8: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
-  let mut x9: u32 = 0;
-  let mut x10: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x9, &mut x10, x8, (arg1[4]), (arg2[4]));
-  let mut x11: u32 = 0;
-  let mut x12: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x11, &mut x12, x10, (arg1[5]), (arg2[5]));
-  let mut x13: u32 = 0;
-  let mut x14: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x13, &mut x14, x12, (arg1[6]), (arg2[6]));
-  let mut x15: u32 = 0;
-  let mut x16: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x15, &mut x16, x14, (arg1[7]), (arg2[7]));
-  let mut x17: u32 = 0;
-  let mut x18: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x17, &mut x18, 0x0, x1, 0xd0364141);
-  let mut x19: u32 = 0;
-  let mut x20: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x19, &mut x20, x18, x3, 0xbfd25e8c);
-  let mut x21: u32 = 0;
-  let mut x22: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x21, &mut x22, x20, x5, 0xaf48a03b);
-  let mut x23: u32 = 0;
-  let mut x24: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x23, &mut x24, x22, x7, 0xbaaedce6);
-  let mut x25: u32 = 0;
-  let mut x26: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x25, &mut x26, x24, x9, 0xfffffffe);
-  let mut x27: u32 = 0;
-  let mut x28: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x27, &mut x28, x26, x11, 0xffffffff);
-  let mut x29: u32 = 0;
-  let mut x30: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x29, &mut x30, x28, x13, 0xffffffff);
-  let mut x31: u32 = 0;
-  let mut x32: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x31, &mut x32, x30, x15, 0xffffffff);
-  let mut x33: u32 = 0;
-  let mut x34: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x33, &mut x34, x32, (x16 as u32), (0x0 as u32));
-  let mut x35: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x35, x34, x17, x1);
-  let mut x36: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x36, x34, x19, x3);
-  let mut x37: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x37, x34, x21, x5);
-  let mut x38: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x38, x34, x23, x7);
-  let mut x39: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x39, x34, x25, x9);
-  let mut x40: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x40, x34, x27, x11);
-  let mut x41: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x41, x34, x29, x13);
-  let mut x42: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x42, x34, x31, x15);
-  out1[0] = x35;
-  out1[1] = x36;
-  out1[2] = x37;
-  out1[3] = x38;
-  out1[4] = x39;
-  out1[5] = x40;
-  out1[6] = x41;
-  out1[7] = x42;
-}
-
-/// The function fiat_secp256k1_scalar_sub subtracts two field elements in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-///   0 ≤ eval arg2 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) - eval (from_montgomery arg2)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_sub(out1: &mut fiat_secp256k1_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_scalar_montgomery_domain_field_element, arg2: &fiat_secp256k1_scalar_montgomery_domain_field_element) -> () {
-  let mut x1: u32 = 0;
-  let mut x2: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
-  let mut x3: u32 = 0;
-  let mut x4: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
-  let mut x5: u32 = 0;
-  let mut x6: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
-  let mut x7: u32 = 0;
-  let mut x8: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
-  let mut x9: u32 = 0;
-  let mut x10: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x9, &mut x10, x8, (arg1[4]), (arg2[4]));
-  let mut x11: u32 = 0;
-  let mut x12: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x11, &mut x12, x10, (arg1[5]), (arg2[5]));
-  let mut x13: u32 = 0;
-  let mut x14: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x13, &mut x14, x12, (arg1[6]), (arg2[6]));
-  let mut x15: u32 = 0;
-  let mut x16: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x15, &mut x16, x14, (arg1[7]), (arg2[7]));
-  let mut x17: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x17, x16, (0x0 as u32), 0xffffffff);
-  let mut x18: u32 = 0;
-  let mut x19: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x18, &mut x19, 0x0, x1, (x17 & 0xd0364141));
-  let mut x20: u32 = 0;
-  let mut x21: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x20, &mut x21, x19, x3, (x17 & 0xbfd25e8c));
-  let mut x22: u32 = 0;
-  let mut x23: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x22, &mut x23, x21, x5, (x17 & 0xaf48a03b));
-  let mut x24: u32 = 0;
-  let mut x25: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x24, &mut x25, x23, x7, (x17 & 0xbaaedce6));
-  let mut x26: u32 = 0;
-  let mut x27: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x26, &mut x27, x25, x9, (x17 & 0xfffffffe));
-  let mut x28: u32 = 0;
-  let mut x29: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x28, &mut x29, x27, x11, x17);
-  let mut x30: u32 = 0;
-  let mut x31: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x30, &mut x31, x29, x13, x17);
-  let mut x32: u32 = 0;
-  let mut x33: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x32, &mut x33, x31, x15, x17);
-  out1[0] = x18;
-  out1[1] = x20;
-  out1[2] = x22;
-  out1[3] = x24;
-  out1[4] = x26;
-  out1[5] = x28;
-  out1[6] = x30;
-  out1[7] = x32;
-}
-
-/// The function fiat_secp256k1_scalar_opp negates a field element in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = -eval (from_montgomery arg1) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_opp(out1: &mut fiat_secp256k1_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_scalar_montgomery_domain_field_element) -> () {
-  let mut x1: u32 = 0;
-  let mut x2: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x1, &mut x2, 0x0, (0x0 as u32), (arg1[0]));
-  let mut x3: u32 = 0;
-  let mut x4: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x3, &mut x4, x2, (0x0 as u32), (arg1[1]));
-  let mut x5: u32 = 0;
-  let mut x6: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x5, &mut x6, x4, (0x0 as u32), (arg1[2]));
-  let mut x7: u32 = 0;
-  let mut x8: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x7, &mut x8, x6, (0x0 as u32), (arg1[3]));
-  let mut x9: u32 = 0;
-  let mut x10: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x9, &mut x10, x8, (0x0 as u32), (arg1[4]));
-  let mut x11: u32 = 0;
-  let mut x12: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x11, &mut x12, x10, (0x0 as u32), (arg1[5]));
-  let mut x13: u32 = 0;
-  let mut x14: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x13, &mut x14, x12, (0x0 as u32), (arg1[6]));
-  let mut x15: u32 = 0;
-  let mut x16: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x15, &mut x16, x14, (0x0 as u32), (arg1[7]));
-  let mut x17: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x17, x16, (0x0 as u32), 0xffffffff);
-  let mut x18: u32 = 0;
-  let mut x19: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x18, &mut x19, 0x0, x1, (x17 & 0xd0364141));
-  let mut x20: u32 = 0;
-  let mut x21: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x20, &mut x21, x19, x3, (x17 & 0xbfd25e8c));
-  let mut x22: u32 = 0;
-  let mut x23: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x22, &mut x23, x21, x5, (x17 & 0xaf48a03b));
-  let mut x24: u32 = 0;
-  let mut x25: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x24, &mut x25, x23, x7, (x17 & 0xbaaedce6));
-  let mut x26: u32 = 0;
-  let mut x27: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x26, &mut x27, x25, x9, (x17 & 0xfffffffe));
-  let mut x28: u32 = 0;
-  let mut x29: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x28, &mut x29, x27, x11, x17);
-  let mut x30: u32 = 0;
-  let mut x31: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x30, &mut x31, x29, x13, x17);
-  let mut x32: u32 = 0;
-  let mut x33: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x32, &mut x33, x31, x15, x17);
-  out1[0] = x18;
-  out1[1] = x20;
-  out1[2] = x22;
-  out1[3] = x24;
-  out1[4] = x26;
-  out1[5] = x28;
-  out1[6] = x30;
-  out1[7] = x32;
-}
-
-/// The function fiat_secp256k1_scalar_from_montgomery translates a field element out of the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval out1 mod m = (eval arg1 * ((2^32)⁻¹ mod m)^8) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_from_montgomery(out1: &mut fiat_secp256k1_scalar_non_montgomery_domain_field_element, arg1: &fiat_secp256k1_scalar_montgomery_domain_field_element) -> () {
-  let x1: u32 = (arg1[0]);
-  let mut x2: u32 = 0;
-  let mut x3: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x2, &mut x3, x1, 0x5588b13f);
-  let mut x4: u32 = 0;
-  let mut x5: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x4, &mut x5, x2, 0xffffffff);
-  let mut x6: u32 = 0;
-  let mut x7: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x6, &mut x7, x2, 0xffffffff);
-  let mut x8: u32 = 0;
-  let mut x9: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x8, &mut x9, x2, 0xffffffff);
-  let mut x10: u32 = 0;
-  let mut x11: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x10, &mut x11, x2, 0xfffffffe);
-  let mut x12: u32 = 0;
-  let mut x13: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x12, &mut x13, x2, 0xbaaedce6);
-  let mut x14: u32 = 0;
-  let mut x15: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x14, &mut x15, x2, 0xaf48a03b);
-  let mut x16: u32 = 0;
-  let mut x17: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x16, &mut x17, x2, 0xbfd25e8c);
-  let mut x18: u32 = 0;
-  let mut x19: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x18, &mut x19, x2, 0xd0364141);
-  let mut x20: u32 = 0;
-  let mut x21: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x20, &mut x21, 0x0, x19, x16);
-  let mut x22: u32 = 0;
-  let mut x23: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x22, &mut x23, x21, x17, x14);
-  let mut x24: u32 = 0;
-  let mut x25: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x24, &mut x25, x23, x15, x12);
-  let mut x26: u32 = 0;
-  let mut x27: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x26, &mut x27, x25, x13, x10);
-  let mut x28: u32 = 0;
-  let mut x29: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x28, &mut x29, x27, x11, x8);
-  let mut x30: u32 = 0;
-  let mut x31: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x30, &mut x31, x29, x9, x6);
-  let mut x32: u32 = 0;
-  let mut x33: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x32, &mut x33, x31, x7, x4);
-  let mut x34: u32 = 0;
-  let mut x35: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x34, &mut x35, 0x0, x1, x18);
-  let mut x36: u32 = 0;
-  let mut x37: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x36, &mut x37, x35, (0x0 as u32), x20);
-  let mut x38: u32 = 0;
-  let mut x39: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x38, &mut x39, x37, (0x0 as u32), x22);
-  let mut x40: u32 = 0;
-  let mut x41: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x40, &mut x41, x39, (0x0 as u32), x24);
-  let mut x42: u32 = 0;
-  let mut x43: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x42, &mut x43, x41, (0x0 as u32), x26);
-  let mut x44: u32 = 0;
-  let mut x45: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x44, &mut x45, x43, (0x0 as u32), x28);
-  let mut x46: u32 = 0;
-  let mut x47: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x46, &mut x47, x45, (0x0 as u32), x30);
-  let mut x48: u32 = 0;
-  let mut x49: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x48, &mut x49, x47, (0x0 as u32), x32);
-  let mut x50: u32 = 0;
-  let mut x51: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x50, &mut x51, x49, (0x0 as u32), ((x33 as u32) + x5));
-  let mut x52: u32 = 0;
-  let mut x53: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x52, &mut x53, 0x0, x36, (arg1[1]));
-  let mut x54: u32 = 0;
-  let mut x55: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x54, &mut x55, x53, x38, (0x0 as u32));
-  let mut x56: u32 = 0;
-  let mut x57: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x56, &mut x57, x55, x40, (0x0 as u32));
-  let mut x58: u32 = 0;
-  let mut x59: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x58, &mut x59, x57, x42, (0x0 as u32));
-  let mut x60: u32 = 0;
-  let mut x61: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x60, &mut x61, x59, x44, (0x0 as u32));
-  let mut x62: u32 = 0;
-  let mut x63: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x62, &mut x63, x61, x46, (0x0 as u32));
-  let mut x64: u32 = 0;
-  let mut x65: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x64, &mut x65, x63, x48, (0x0 as u32));
-  let mut x66: u32 = 0;
-  let mut x67: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x66, &mut x67, x65, x50, (0x0 as u32));
-  let mut x68: u32 = 0;
-  let mut x69: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x68, &mut x69, x52, 0x5588b13f);
-  let mut x70: u32 = 0;
-  let mut x71: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x70, &mut x71, x68, 0xffffffff);
-  let mut x72: u32 = 0;
-  let mut x73: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x72, &mut x73, x68, 0xffffffff);
-  let mut x74: u32 = 0;
-  let mut x75: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x74, &mut x75, x68, 0xffffffff);
-  let mut x76: u32 = 0;
-  let mut x77: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x76, &mut x77, x68, 0xfffffffe);
-  let mut x78: u32 = 0;
-  let mut x79: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x78, &mut x79, x68, 0xbaaedce6);
-  let mut x80: u32 = 0;
-  let mut x81: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x80, &mut x81, x68, 0xaf48a03b);
-  let mut x82: u32 = 0;
-  let mut x83: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x82, &mut x83, x68, 0xbfd25e8c);
-  let mut x84: u32 = 0;
-  let mut x85: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x84, &mut x85, x68, 0xd0364141);
-  let mut x86: u32 = 0;
-  let mut x87: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x86, &mut x87, 0x0, x85, x82);
-  let mut x88: u32 = 0;
-  let mut x89: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x88, &mut x89, x87, x83, x80);
-  let mut x90: u32 = 0;
-  let mut x91: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x90, &mut x91, x89, x81, x78);
-  let mut x92: u32 = 0;
-  let mut x93: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x92, &mut x93, x91, x79, x76);
-  let mut x94: u32 = 0;
-  let mut x95: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x94, &mut x95, x93, x77, x74);
-  let mut x96: u32 = 0;
-  let mut x97: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x96, &mut x97, x95, x75, x72);
-  let mut x98: u32 = 0;
-  let mut x99: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x98, &mut x99, x97, x73, x70);
-  let mut x100: u32 = 0;
-  let mut x101: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x100, &mut x101, 0x0, x52, x84);
-  let mut x102: u32 = 0;
-  let mut x103: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x102, &mut x103, x101, x54, x86);
-  let mut x104: u32 = 0;
-  let mut x105: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x104, &mut x105, x103, x56, x88);
-  let mut x106: u32 = 0;
-  let mut x107: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x106, &mut x107, x105, x58, x90);
-  let mut x108: u32 = 0;
-  let mut x109: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x108, &mut x109, x107, x60, x92);
-  let mut x110: u32 = 0;
-  let mut x111: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x110, &mut x111, x109, x62, x94);
-  let mut x112: u32 = 0;
-  let mut x113: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x112, &mut x113, x111, x64, x96);
-  let mut x114: u32 = 0;
-  let mut x115: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x114, &mut x115, x113, x66, x98);
-  let mut x116: u32 = 0;
-  let mut x117: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x116, &mut x117, x115, ((x67 as u32) + (x51 as u32)), ((x99 as u32) + x71));
-  let mut x118: u32 = 0;
-  let mut x119: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x118, &mut x119, 0x0, x102, (arg1[2]));
-  let mut x120: u32 = 0;
-  let mut x121: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x120, &mut x121, x119, x104, (0x0 as u32));
-  let mut x122: u32 = 0;
-  let mut x123: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x122, &mut x123, x121, x106, (0x0 as u32));
-  let mut x124: u32 = 0;
-  let mut x125: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x124, &mut x125, x123, x108, (0x0 as u32));
-  let mut x126: u32 = 0;
-  let mut x127: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x126, &mut x127, x125, x110, (0x0 as u32));
-  let mut x128: u32 = 0;
-  let mut x129: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x128, &mut x129, x127, x112, (0x0 as u32));
-  let mut x130: u32 = 0;
-  let mut x131: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x130, &mut x131, x129, x114, (0x0 as u32));
-  let mut x132: u32 = 0;
-  let mut x133: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x132, &mut x133, x131, x116, (0x0 as u32));
-  let mut x134: u32 = 0;
-  let mut x135: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x134, &mut x135, x118, 0x5588b13f);
-  let mut x136: u32 = 0;
-  let mut x137: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x136, &mut x137, x134, 0xffffffff);
-  let mut x138: u32 = 0;
-  let mut x139: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x138, &mut x139, x134, 0xffffffff);
-  let mut x140: u32 = 0;
-  let mut x141: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x140, &mut x141, x134, 0xffffffff);
-  let mut x142: u32 = 0;
-  let mut x143: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x142, &mut x143, x134, 0xfffffffe);
-  let mut x144: u32 = 0;
-  let mut x145: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x144, &mut x145, x134, 0xbaaedce6);
-  let mut x146: u32 = 0;
-  let mut x147: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x146, &mut x147, x134, 0xaf48a03b);
-  let mut x148: u32 = 0;
-  let mut x149: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x148, &mut x149, x134, 0xbfd25e8c);
-  let mut x150: u32 = 0;
-  let mut x151: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x150, &mut x151, x134, 0xd0364141);
-  let mut x152: u32 = 0;
-  let mut x153: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x152, &mut x153, 0x0, x151, x148);
-  let mut x154: u32 = 0;
-  let mut x155: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x154, &mut x155, x153, x149, x146);
-  let mut x156: u32 = 0;
-  let mut x157: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x156, &mut x157, x155, x147, x144);
-  let mut x158: u32 = 0;
-  let mut x159: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x158, &mut x159, x157, x145, x142);
-  let mut x160: u32 = 0;
-  let mut x161: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x160, &mut x161, x159, x143, x140);
-  let mut x162: u32 = 0;
-  let mut x163: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x162, &mut x163, x161, x141, x138);
-  let mut x164: u32 = 0;
-  let mut x165: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x164, &mut x165, x163, x139, x136);
-  let mut x166: u32 = 0;
-  let mut x167: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x166, &mut x167, 0x0, x118, x150);
-  let mut x168: u32 = 0;
-  let mut x169: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x168, &mut x169, x167, x120, x152);
-  let mut x170: u32 = 0;
-  let mut x171: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x170, &mut x171, x169, x122, x154);
-  let mut x172: u32 = 0;
-  let mut x173: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x172, &mut x173, x171, x124, x156);
-  let mut x174: u32 = 0;
-  let mut x175: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x174, &mut x175, x173, x126, x158);
-  let mut x176: u32 = 0;
-  let mut x177: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x176, &mut x177, x175, x128, x160);
-  let mut x178: u32 = 0;
-  let mut x179: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x178, &mut x179, x177, x130, x162);
-  let mut x180: u32 = 0;
-  let mut x181: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x180, &mut x181, x179, x132, x164);
-  let mut x182: u32 = 0;
-  let mut x183: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x182, &mut x183, x181, ((x133 as u32) + (x117 as u32)), ((x165 as u32) + x137));
-  let mut x184: u32 = 0;
-  let mut x185: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x184, &mut x185, 0x0, x168, (arg1[3]));
-  let mut x186: u32 = 0;
-  let mut x187: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x186, &mut x187, x185, x170, (0x0 as u32));
-  let mut x188: u32 = 0;
-  let mut x189: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x188, &mut x189, x187, x172, (0x0 as u32));
-  let mut x190: u32 = 0;
-  let mut x191: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x190, &mut x191, x189, x174, (0x0 as u32));
-  let mut x192: u32 = 0;
-  let mut x193: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x192, &mut x193, x191, x176, (0x0 as u32));
-  let mut x194: u32 = 0;
-  let mut x195: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x194, &mut x195, x193, x178, (0x0 as u32));
-  let mut x196: u32 = 0;
-  let mut x197: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x196, &mut x197, x195, x180, (0x0 as u32));
-  let mut x198: u32 = 0;
-  let mut x199: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x198, &mut x199, x197, x182, (0x0 as u32));
-  let mut x200: u32 = 0;
-  let mut x201: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x200, &mut x201, x184, 0x5588b13f);
-  let mut x202: u32 = 0;
-  let mut x203: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x202, &mut x203, x200, 0xffffffff);
-  let mut x204: u32 = 0;
-  let mut x205: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x204, &mut x205, x200, 0xffffffff);
-  let mut x206: u32 = 0;
-  let mut x207: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x206, &mut x207, x200, 0xffffffff);
-  let mut x208: u32 = 0;
-  let mut x209: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x208, &mut x209, x200, 0xfffffffe);
-  let mut x210: u32 = 0;
-  let mut x211: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x210, &mut x211, x200, 0xbaaedce6);
-  let mut x212: u32 = 0;
-  let mut x213: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x212, &mut x213, x200, 0xaf48a03b);
-  let mut x214: u32 = 0;
-  let mut x215: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x214, &mut x215, x200, 0xbfd25e8c);
-  let mut x216: u32 = 0;
-  let mut x217: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x216, &mut x217, x200, 0xd0364141);
-  let mut x218: u32 = 0;
-  let mut x219: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x218, &mut x219, 0x0, x217, x214);
-  let mut x220: u32 = 0;
-  let mut x221: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x220, &mut x221, x219, x215, x212);
-  let mut x222: u32 = 0;
-  let mut x223: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x222, &mut x223, x221, x213, x210);
-  let mut x224: u32 = 0;
-  let mut x225: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x224, &mut x225, x223, x211, x208);
-  let mut x226: u32 = 0;
-  let mut x227: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x226, &mut x227, x225, x209, x206);
-  let mut x228: u32 = 0;
-  let mut x229: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x228, &mut x229, x227, x207, x204);
-  let mut x230: u32 = 0;
-  let mut x231: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x230, &mut x231, x229, x205, x202);
-  let mut x232: u32 = 0;
-  let mut x233: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x232, &mut x233, 0x0, x184, x216);
-  let mut x234: u32 = 0;
-  let mut x235: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x234, &mut x235, x233, x186, x218);
-  let mut x236: u32 = 0;
-  let mut x237: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x236, &mut x237, x235, x188, x220);
-  let mut x238: u32 = 0;
-  let mut x239: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x238, &mut x239, x237, x190, x222);
-  let mut x240: u32 = 0;
-  let mut x241: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x240, &mut x241, x239, x192, x224);
-  let mut x242: u32 = 0;
-  let mut x243: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x242, &mut x243, x241, x194, x226);
-  let mut x244: u32 = 0;
-  let mut x245: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x244, &mut x245, x243, x196, x228);
-  let mut x246: u32 = 0;
-  let mut x247: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x246, &mut x247, x245, x198, x230);
-  let mut x248: u32 = 0;
-  let mut x249: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x248, &mut x249, x247, ((x199 as u32) + (x183 as u32)), ((x231 as u32) + x203));
-  let mut x250: u32 = 0;
-  let mut x251: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x250, &mut x251, 0x0, x234, (arg1[4]));
-  let mut x252: u32 = 0;
-  let mut x253: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x252, &mut x253, x251, x236, (0x0 as u32));
-  let mut x254: u32 = 0;
-  let mut x255: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x254, &mut x255, x253, x238, (0x0 as u32));
-  let mut x256: u32 = 0;
-  let mut x257: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x256, &mut x257, x255, x240, (0x0 as u32));
-  let mut x258: u32 = 0;
-  let mut x259: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x258, &mut x259, x257, x242, (0x0 as u32));
-  let mut x260: u32 = 0;
-  let mut x261: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x260, &mut x261, x259, x244, (0x0 as u32));
-  let mut x262: u32 = 0;
-  let mut x263: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x262, &mut x263, x261, x246, (0x0 as u32));
-  let mut x264: u32 = 0;
-  let mut x265: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x264, &mut x265, x263, x248, (0x0 as u32));
-  let mut x266: u32 = 0;
-  let mut x267: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x266, &mut x267, x250, 0x5588b13f);
-  let mut x268: u32 = 0;
-  let mut x269: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x268, &mut x269, x266, 0xffffffff);
-  let mut x270: u32 = 0;
-  let mut x271: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x270, &mut x271, x266, 0xffffffff);
-  let mut x272: u32 = 0;
-  let mut x273: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x272, &mut x273, x266, 0xffffffff);
-  let mut x274: u32 = 0;
-  let mut x275: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x274, &mut x275, x266, 0xfffffffe);
-  let mut x276: u32 = 0;
-  let mut x277: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x276, &mut x277, x266, 0xbaaedce6);
-  let mut x278: u32 = 0;
-  let mut x279: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x278, &mut x279, x266, 0xaf48a03b);
-  let mut x280: u32 = 0;
-  let mut x281: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x280, &mut x281, x266, 0xbfd25e8c);
-  let mut x282: u32 = 0;
-  let mut x283: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x282, &mut x283, x266, 0xd0364141);
-  let mut x284: u32 = 0;
-  let mut x285: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x284, &mut x285, 0x0, x283, x280);
-  let mut x286: u32 = 0;
-  let mut x287: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x286, &mut x287, x285, x281, x278);
-  let mut x288: u32 = 0;
-  let mut x289: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x288, &mut x289, x287, x279, x276);
-  let mut x290: u32 = 0;
-  let mut x291: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x290, &mut x291, x289, x277, x274);
-  let mut x292: u32 = 0;
-  let mut x293: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x292, &mut x293, x291, x275, x272);
-  let mut x294: u32 = 0;
-  let mut x295: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x294, &mut x295, x293, x273, x270);
-  let mut x296: u32 = 0;
-  let mut x297: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x296, &mut x297, x295, x271, x268);
-  let mut x298: u32 = 0;
-  let mut x299: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x298, &mut x299, 0x0, x250, x282);
-  let mut x300: u32 = 0;
-  let mut x301: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x300, &mut x301, x299, x252, x284);
-  let mut x302: u32 = 0;
-  let mut x303: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x302, &mut x303, x301, x254, x286);
-  let mut x304: u32 = 0;
-  let mut x305: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x304, &mut x305, x303, x256, x288);
-  let mut x306: u32 = 0;
-  let mut x307: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x306, &mut x307, x305, x258, x290);
-  let mut x308: u32 = 0;
-  let mut x309: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x308, &mut x309, x307, x260, x292);
-  let mut x310: u32 = 0;
-  let mut x311: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x310, &mut x311, x309, x262, x294);
-  let mut x312: u32 = 0;
-  let mut x313: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x312, &mut x313, x311, x264, x296);
-  let mut x314: u32 = 0;
-  let mut x315: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x314, &mut x315, x313, ((x265 as u32) + (x249 as u32)), ((x297 as u32) + x269));
-  let mut x316: u32 = 0;
-  let mut x317: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x316, &mut x317, 0x0, x300, (arg1[5]));
-  let mut x318: u32 = 0;
-  let mut x319: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x318, &mut x319, x317, x302, (0x0 as u32));
-  let mut x320: u32 = 0;
-  let mut x321: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x320, &mut x321, x319, x304, (0x0 as u32));
-  let mut x322: u32 = 0;
-  let mut x323: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x322, &mut x323, x321, x306, (0x0 as u32));
-  let mut x324: u32 = 0;
-  let mut x325: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x324, &mut x325, x323, x308, (0x0 as u32));
-  let mut x326: u32 = 0;
-  let mut x327: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x326, &mut x327, x325, x310, (0x0 as u32));
-  let mut x328: u32 = 0;
-  let mut x329: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x328, &mut x329, x327, x312, (0x0 as u32));
-  let mut x330: u32 = 0;
-  let mut x331: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x330, &mut x331, x329, x314, (0x0 as u32));
-  let mut x332: u32 = 0;
-  let mut x333: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x332, &mut x333, x316, 0x5588b13f);
-  let mut x334: u32 = 0;
-  let mut x335: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x334, &mut x335, x332, 0xffffffff);
-  let mut x336: u32 = 0;
-  let mut x337: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x336, &mut x337, x332, 0xffffffff);
-  let mut x338: u32 = 0;
-  let mut x339: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x338, &mut x339, x332, 0xffffffff);
-  let mut x340: u32 = 0;
-  let mut x341: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x340, &mut x341, x332, 0xfffffffe);
-  let mut x342: u32 = 0;
-  let mut x343: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x342, &mut x343, x332, 0xbaaedce6);
-  let mut x344: u32 = 0;
-  let mut x345: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x344, &mut x345, x332, 0xaf48a03b);
-  let mut x346: u32 = 0;
-  let mut x347: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x346, &mut x347, x332, 0xbfd25e8c);
-  let mut x348: u32 = 0;
-  let mut x349: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x348, &mut x349, x332, 0xd0364141);
-  let mut x350: u32 = 0;
-  let mut x351: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x350, &mut x351, 0x0, x349, x346);
-  let mut x352: u32 = 0;
-  let mut x353: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x352, &mut x353, x351, x347, x344);
-  let mut x354: u32 = 0;
-  let mut x355: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x354, &mut x355, x353, x345, x342);
-  let mut x356: u32 = 0;
-  let mut x357: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x356, &mut x357, x355, x343, x340);
-  let mut x358: u32 = 0;
-  let mut x359: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x358, &mut x359, x357, x341, x338);
-  let mut x360: u32 = 0;
-  let mut x361: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x360, &mut x361, x359, x339, x336);
-  let mut x362: u32 = 0;
-  let mut x363: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x362, &mut x363, x361, x337, x334);
-  let mut x364: u32 = 0;
-  let mut x365: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x364, &mut x365, 0x0, x316, x348);
-  let mut x366: u32 = 0;
-  let mut x367: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x366, &mut x367, x365, x318, x350);
-  let mut x368: u32 = 0;
-  let mut x369: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x368, &mut x369, x367, x320, x352);
-  let mut x370: u32 = 0;
-  let mut x371: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x370, &mut x371, x369, x322, x354);
-  let mut x372: u32 = 0;
-  let mut x373: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x372, &mut x373, x371, x324, x356);
-  let mut x374: u32 = 0;
-  let mut x375: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x374, &mut x375, x373, x326, x358);
-  let mut x376: u32 = 0;
-  let mut x377: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x376, &mut x377, x375, x328, x360);
-  let mut x378: u32 = 0;
-  let mut x379: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x378, &mut x379, x377, x330, x362);
-  let mut x380: u32 = 0;
-  let mut x381: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x380, &mut x381, x379, ((x331 as u32) + (x315 as u32)), ((x363 as u32) + x335));
-  let mut x382: u32 = 0;
-  let mut x383: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x382, &mut x383, 0x0, x366, (arg1[6]));
-  let mut x384: u32 = 0;
-  let mut x385: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x384, &mut x385, x383, x368, (0x0 as u32));
-  let mut x386: u32 = 0;
-  let mut x387: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x386, &mut x387, x385, x370, (0x0 as u32));
-  let mut x388: u32 = 0;
-  let mut x389: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x388, &mut x389, x387, x372, (0x0 as u32));
-  let mut x390: u32 = 0;
-  let mut x391: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x390, &mut x391, x389, x374, (0x0 as u32));
-  let mut x392: u32 = 0;
-  let mut x393: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x392, &mut x393, x391, x376, (0x0 as u32));
-  let mut x394: u32 = 0;
-  let mut x395: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x394, &mut x395, x393, x378, (0x0 as u32));
-  let mut x396: u32 = 0;
-  let mut x397: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x396, &mut x397, x395, x380, (0x0 as u32));
-  let mut x398: u32 = 0;
-  let mut x399: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x398, &mut x399, x382, 0x5588b13f);
-  let mut x400: u32 = 0;
-  let mut x401: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x400, &mut x401, x398, 0xffffffff);
-  let mut x402: u32 = 0;
-  let mut x403: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x402, &mut x403, x398, 0xffffffff);
-  let mut x404: u32 = 0;
-  let mut x405: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x404, &mut x405, x398, 0xffffffff);
-  let mut x406: u32 = 0;
-  let mut x407: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x406, &mut x407, x398, 0xfffffffe);
-  let mut x408: u32 = 0;
-  let mut x409: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x408, &mut x409, x398, 0xbaaedce6);
-  let mut x410: u32 = 0;
-  let mut x411: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x410, &mut x411, x398, 0xaf48a03b);
-  let mut x412: u32 = 0;
-  let mut x413: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x412, &mut x413, x398, 0xbfd25e8c);
-  let mut x414: u32 = 0;
-  let mut x415: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x414, &mut x415, x398, 0xd0364141);
-  let mut x416: u32 = 0;
-  let mut x417: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x416, &mut x417, 0x0, x415, x412);
-  let mut x418: u32 = 0;
-  let mut x419: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x418, &mut x419, x417, x413, x410);
-  let mut x420: u32 = 0;
-  let mut x421: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x420, &mut x421, x419, x411, x408);
-  let mut x422: u32 = 0;
-  let mut x423: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x422, &mut x423, x421, x409, x406);
-  let mut x424: u32 = 0;
-  let mut x425: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x424, &mut x425, x423, x407, x404);
-  let mut x426: u32 = 0;
-  let mut x427: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x426, &mut x427, x425, x405, x402);
-  let mut x428: u32 = 0;
-  let mut x429: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x428, &mut x429, x427, x403, x400);
-  let mut x430: u32 = 0;
-  let mut x431: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x430, &mut x431, 0x0, x382, x414);
-  let mut x432: u32 = 0;
-  let mut x433: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x432, &mut x433, x431, x384, x416);
-  let mut x434: u32 = 0;
-  let mut x435: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x434, &mut x435, x433, x386, x418);
-  let mut x436: u32 = 0;
-  let mut x437: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x436, &mut x437, x435, x388, x420);
-  let mut x438: u32 = 0;
-  let mut x439: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x438, &mut x439, x437, x390, x422);
-  let mut x440: u32 = 0;
-  let mut x441: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x440, &mut x441, x439, x392, x424);
-  let mut x442: u32 = 0;
-  let mut x443: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x442, &mut x443, x441, x394, x426);
-  let mut x444: u32 = 0;
-  let mut x445: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x444, &mut x445, x443, x396, x428);
-  let mut x446: u32 = 0;
-  let mut x447: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x446, &mut x447, x445, ((x397 as u32) + (x381 as u32)), ((x429 as u32) + x401));
-  let mut x448: u32 = 0;
-  let mut x449: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x448, &mut x449, 0x0, x432, (arg1[7]));
-  let mut x450: u32 = 0;
-  let mut x451: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x450, &mut x451, x449, x434, (0x0 as u32));
-  let mut x452: u32 = 0;
-  let mut x453: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x452, &mut x453, x451, x436, (0x0 as u32));
-  let mut x454: u32 = 0;
-  let mut x455: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x454, &mut x455, x453, x438, (0x0 as u32));
-  let mut x456: u32 = 0;
-  let mut x457: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x456, &mut x457, x455, x440, (0x0 as u32));
-  let mut x458: u32 = 0;
-  let mut x459: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x458, &mut x459, x457, x442, (0x0 as u32));
-  let mut x460: u32 = 0;
-  let mut x461: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x460, &mut x461, x459, x444, (0x0 as u32));
-  let mut x462: u32 = 0;
-  let mut x463: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x462, &mut x463, x461, x446, (0x0 as u32));
-  let mut x464: u32 = 0;
-  let mut x465: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x464, &mut x465, x448, 0x5588b13f);
-  let mut x466: u32 = 0;
-  let mut x467: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x466, &mut x467, x464, 0xffffffff);
-  let mut x468: u32 = 0;
-  let mut x469: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x468, &mut x469, x464, 0xffffffff);
-  let mut x470: u32 = 0;
-  let mut x471: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x470, &mut x471, x464, 0xffffffff);
-  let mut x472: u32 = 0;
-  let mut x473: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x472, &mut x473, x464, 0xfffffffe);
-  let mut x474: u32 = 0;
-  let mut x475: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x474, &mut x475, x464, 0xbaaedce6);
-  let mut x476: u32 = 0;
-  let mut x477: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x476, &mut x477, x464, 0xaf48a03b);
-  let mut x478: u32 = 0;
-  let mut x479: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x478, &mut x479, x464, 0xbfd25e8c);
-  let mut x480: u32 = 0;
-  let mut x481: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x480, &mut x481, x464, 0xd0364141);
-  let mut x482: u32 = 0;
-  let mut x483: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x482, &mut x483, 0x0, x481, x478);
-  let mut x484: u32 = 0;
-  let mut x485: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x484, &mut x485, x483, x479, x476);
-  let mut x486: u32 = 0;
-  let mut x487: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x486, &mut x487, x485, x477, x474);
-  let mut x488: u32 = 0;
-  let mut x489: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x488, &mut x489, x487, x475, x472);
-  let mut x490: u32 = 0;
-  let mut x491: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x490, &mut x491, x489, x473, x470);
-  let mut x492: u32 = 0;
-  let mut x493: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x492, &mut x493, x491, x471, x468);
-  let mut x494: u32 = 0;
-  let mut x495: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x494, &mut x495, x493, x469, x466);
-  let mut x496: u32 = 0;
-  let mut x497: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x496, &mut x497, 0x0, x448, x480);
-  let mut x498: u32 = 0;
-  let mut x499: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x498, &mut x499, x497, x450, x482);
-  let mut x500: u32 = 0;
-  let mut x501: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x500, &mut x501, x499, x452, x484);
-  let mut x502: u32 = 0;
-  let mut x503: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x502, &mut x503, x501, x454, x486);
-  let mut x504: u32 = 0;
-  let mut x505: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x504, &mut x505, x503, x456, x488);
-  let mut x506: u32 = 0;
-  let mut x507: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x506, &mut x507, x505, x458, x490);
-  let mut x508: u32 = 0;
-  let mut x509: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x508, &mut x509, x507, x460, x492);
-  let mut x510: u32 = 0;
-  let mut x511: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x510, &mut x511, x509, x462, x494);
-  let mut x512: u32 = 0;
-  let mut x513: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x512, &mut x513, x511, ((x463 as u32) + (x447 as u32)), ((x495 as u32) + x467));
-  let mut x514: u32 = 0;
-  let mut x515: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x514, &mut x515, 0x0, x498, 0xd0364141);
-  let mut x516: u32 = 0;
-  let mut x517: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x516, &mut x517, x515, x500, 0xbfd25e8c);
-  let mut x518: u32 = 0;
-  let mut x519: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x518, &mut x519, x517, x502, 0xaf48a03b);
-  let mut x520: u32 = 0;
-  let mut x521: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x520, &mut x521, x519, x504, 0xbaaedce6);
-  let mut x522: u32 = 0;
-  let mut x523: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x522, &mut x523, x521, x506, 0xfffffffe);
-  let mut x524: u32 = 0;
-  let mut x525: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x524, &mut x525, x523, x508, 0xffffffff);
-  let mut x526: u32 = 0;
-  let mut x527: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x526, &mut x527, x525, x510, 0xffffffff);
-  let mut x528: u32 = 0;
-  let mut x529: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x528, &mut x529, x527, x512, 0xffffffff);
-  let mut x530: u32 = 0;
-  let mut x531: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x530, &mut x531, x529, (x513 as u32), (0x0 as u32));
-  let mut x532: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x532, x531, x514, x498);
-  let mut x533: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x533, x531, x516, x500);
-  let mut x534: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x534, x531, x518, x502);
-  let mut x535: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x535, x531, x520, x504);
-  let mut x536: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x536, x531, x522, x506);
-  let mut x537: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x537, x531, x524, x508);
-  let mut x538: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x538, x531, x526, x510);
-  let mut x539: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x539, x531, x528, x512);
-  out1[0] = x532;
-  out1[1] = x533;
-  out1[2] = x534;
-  out1[3] = x535;
-  out1[4] = x536;
-  out1[5] = x537;
-  out1[6] = x538;
-  out1[7] = x539;
-}
-
-/// The function fiat_secp256k1_scalar_to_montgomery translates a field element into the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = eval arg1 mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_to_montgomery(out1: &mut fiat_secp256k1_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_scalar_non_montgomery_domain_field_element) -> () {
-  let x1: u32 = (arg1[1]);
-  let x2: u32 = (arg1[2]);
-  let x3: u32 = (arg1[3]);
-  let x4: u32 = (arg1[4]);
-  let x5: u32 = (arg1[5]);
-  let x6: u32 = (arg1[6]);
-  let x7: u32 = (arg1[7]);
-  let x8: u32 = (arg1[0]);
-  let mut x9: u32 = 0;
-  let mut x10: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x9, &mut x10, x8, 0x9d671cd5);
-  let mut x11: u32 = 0;
-  let mut x12: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x11, &mut x12, x8, 0x81c69bc5);
-  let mut x13: u32 = 0;
-  let mut x14: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x13, &mut x14, x8, 0xe697f5e4);
-  let mut x15: u32 = 0;
-  let mut x16: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x15, &mut x16, x8, 0x5bcd07c6);
-  let mut x17: u32 = 0;
-  let mut x18: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x17, &mut x18, x8, 0x741496c2);
-  let mut x19: u32 = 0;
-  let mut x20: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x19, &mut x20, x8, 0xe7cf878);
-  let mut x21: u32 = 0;
-  let mut x22: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x21, &mut x22, x8, 0x896cf214);
-  let mut x23: u32 = 0;
-  let mut x24: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x23, &mut x24, x8, 0x67d7d140);
-  let mut x25: u32 = 0;
-  let mut x26: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x25, &mut x26, 0x0, x24, x21);
-  let mut x27: u32 = 0;
-  let mut x28: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x27, &mut x28, x26, x22, x19);
-  let mut x29: u32 = 0;
-  let mut x30: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x29, &mut x30, x28, x20, x17);
-  let mut x31: u32 = 0;
-  let mut x32: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x31, &mut x32, x30, x18, x15);
-  let mut x33: u32 = 0;
-  let mut x34: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x33, &mut x34, x32, x16, x13);
-  let mut x35: u32 = 0;
-  let mut x36: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x35, &mut x36, x34, x14, x11);
-  let mut x37: u32 = 0;
-  let mut x38: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x37, &mut x38, x36, x12, x9);
-  let mut x39: u32 = 0;
-  let mut x40: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x39, &mut x40, x23, 0x5588b13f);
-  let mut x41: u32 = 0;
-  let mut x42: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x41, &mut x42, x39, 0xffffffff);
-  let mut x43: u32 = 0;
-  let mut x44: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x43, &mut x44, x39, 0xffffffff);
-  let mut x45: u32 = 0;
-  let mut x46: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x45, &mut x46, x39, 0xffffffff);
-  let mut x47: u32 = 0;
-  let mut x48: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x47, &mut x48, x39, 0xfffffffe);
-  let mut x49: u32 = 0;
-  let mut x50: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x49, &mut x50, x39, 0xbaaedce6);
-  let mut x51: u32 = 0;
-  let mut x52: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x51, &mut x52, x39, 0xaf48a03b);
-  let mut x53: u32 = 0;
-  let mut x54: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x53, &mut x54, x39, 0xbfd25e8c);
-  let mut x55: u32 = 0;
-  let mut x56: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x55, &mut x56, x39, 0xd0364141);
-  let mut x57: u32 = 0;
-  let mut x58: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x57, &mut x58, 0x0, x56, x53);
-  let mut x59: u32 = 0;
-  let mut x60: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x59, &mut x60, x58, x54, x51);
-  let mut x61: u32 = 0;
-  let mut x62: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x61, &mut x62, x60, x52, x49);
-  let mut x63: u32 = 0;
-  let mut x64: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x63, &mut x64, x62, x50, x47);
-  let mut x65: u32 = 0;
-  let mut x66: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x65, &mut x66, x64, x48, x45);
-  let mut x67: u32 = 0;
-  let mut x68: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x67, &mut x68, x66, x46, x43);
-  let mut x69: u32 = 0;
-  let mut x70: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x69, &mut x70, x68, x44, x41);
-  let mut x71: u32 = 0;
-  let mut x72: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x71, &mut x72, 0x0, x23, x55);
-  let mut x73: u32 = 0;
-  let mut x74: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x73, &mut x74, x72, x25, x57);
-  let mut x75: u32 = 0;
-  let mut x76: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x75, &mut x76, x74, x27, x59);
-  let mut x77: u32 = 0;
-  let mut x78: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x77, &mut x78, x76, x29, x61);
-  let mut x79: u32 = 0;
-  let mut x80: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x79, &mut x80, x78, x31, x63);
-  let mut x81: u32 = 0;
-  let mut x82: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x81, &mut x82, x80, x33, x65);
-  let mut x83: u32 = 0;
-  let mut x84: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x83, &mut x84, x82, x35, x67);
-  let mut x85: u32 = 0;
-  let mut x86: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x85, &mut x86, x84, x37, x69);
-  let mut x87: u32 = 0;
-  let mut x88: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x87, &mut x88, x86, ((x38 as u32) + x10), ((x70 as u32) + x42));
-  let mut x89: u32 = 0;
-  let mut x90: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x89, &mut x90, x1, 0x9d671cd5);
-  let mut x91: u32 = 0;
-  let mut x92: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x91, &mut x92, x1, 0x81c69bc5);
-  let mut x93: u32 = 0;
-  let mut x94: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x93, &mut x94, x1, 0xe697f5e4);
-  let mut x95: u32 = 0;
-  let mut x96: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x95, &mut x96, x1, 0x5bcd07c6);
-  let mut x97: u32 = 0;
-  let mut x98: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x97, &mut x98, x1, 0x741496c2);
-  let mut x99: u32 = 0;
-  let mut x100: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x99, &mut x100, x1, 0xe7cf878);
-  let mut x101: u32 = 0;
-  let mut x102: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x101, &mut x102, x1, 0x896cf214);
-  let mut x103: u32 = 0;
-  let mut x104: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x103, &mut x104, x1, 0x67d7d140);
-  let mut x105: u32 = 0;
-  let mut x106: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x105, &mut x106, 0x0, x104, x101);
-  let mut x107: u32 = 0;
-  let mut x108: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x107, &mut x108, x106, x102, x99);
-  let mut x109: u32 = 0;
-  let mut x110: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x109, &mut x110, x108, x100, x97);
-  let mut x111: u32 = 0;
-  let mut x112: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x111, &mut x112, x110, x98, x95);
-  let mut x113: u32 = 0;
-  let mut x114: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x113, &mut x114, x112, x96, x93);
-  let mut x115: u32 = 0;
-  let mut x116: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x115, &mut x116, x114, x94, x91);
-  let mut x117: u32 = 0;
-  let mut x118: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x117, &mut x118, x116, x92, x89);
-  let mut x119: u32 = 0;
-  let mut x120: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x119, &mut x120, 0x0, x73, x103);
-  let mut x121: u32 = 0;
-  let mut x122: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x121, &mut x122, x120, x75, x105);
-  let mut x123: u32 = 0;
-  let mut x124: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x123, &mut x124, x122, x77, x107);
-  let mut x125: u32 = 0;
-  let mut x126: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x125, &mut x126, x124, x79, x109);
-  let mut x127: u32 = 0;
-  let mut x128: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x127, &mut x128, x126, x81, x111);
-  let mut x129: u32 = 0;
-  let mut x130: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x129, &mut x130, x128, x83, x113);
-  let mut x131: u32 = 0;
-  let mut x132: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x131, &mut x132, x130, x85, x115);
-  let mut x133: u32 = 0;
-  let mut x134: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x133, &mut x134, x132, x87, x117);
-  let mut x135: u32 = 0;
-  let mut x136: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x135, &mut x136, x119, 0x5588b13f);
-  let mut x137: u32 = 0;
-  let mut x138: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x137, &mut x138, x135, 0xffffffff);
-  let mut x139: u32 = 0;
-  let mut x140: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x139, &mut x140, x135, 0xffffffff);
-  let mut x141: u32 = 0;
-  let mut x142: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x141, &mut x142, x135, 0xffffffff);
-  let mut x143: u32 = 0;
-  let mut x144: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x143, &mut x144, x135, 0xfffffffe);
-  let mut x145: u32 = 0;
-  let mut x146: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x145, &mut x146, x135, 0xbaaedce6);
-  let mut x147: u32 = 0;
-  let mut x148: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x147, &mut x148, x135, 0xaf48a03b);
-  let mut x149: u32 = 0;
-  let mut x150: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x149, &mut x150, x135, 0xbfd25e8c);
-  let mut x151: u32 = 0;
-  let mut x152: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x151, &mut x152, x135, 0xd0364141);
-  let mut x153: u32 = 0;
-  let mut x154: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x153, &mut x154, 0x0, x152, x149);
-  let mut x155: u32 = 0;
-  let mut x156: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x155, &mut x156, x154, x150, x147);
-  let mut x157: u32 = 0;
-  let mut x158: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x157, &mut x158, x156, x148, x145);
-  let mut x159: u32 = 0;
-  let mut x160: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x159, &mut x160, x158, x146, x143);
-  let mut x161: u32 = 0;
-  let mut x162: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x161, &mut x162, x160, x144, x141);
-  let mut x163: u32 = 0;
-  let mut x164: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x163, &mut x164, x162, x142, x139);
-  let mut x165: u32 = 0;
-  let mut x166: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x165, &mut x166, x164, x140, x137);
-  let mut x167: u32 = 0;
-  let mut x168: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x167, &mut x168, 0x0, x119, x151);
-  let mut x169: u32 = 0;
-  let mut x170: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x169, &mut x170, x168, x121, x153);
-  let mut x171: u32 = 0;
-  let mut x172: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x171, &mut x172, x170, x123, x155);
-  let mut x173: u32 = 0;
-  let mut x174: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x173, &mut x174, x172, x125, x157);
-  let mut x175: u32 = 0;
-  let mut x176: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x175, &mut x176, x174, x127, x159);
-  let mut x177: u32 = 0;
-  let mut x178: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x177, &mut x178, x176, x129, x161);
-  let mut x179: u32 = 0;
-  let mut x180: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x179, &mut x180, x178, x131, x163);
-  let mut x181: u32 = 0;
-  let mut x182: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x181, &mut x182, x180, x133, x165);
-  let mut x183: u32 = 0;
-  let mut x184: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x183, &mut x184, x182, (((x134 as u32) + (x88 as u32)) + ((x118 as u32) + x90)), ((x166 as u32) + x138));
-  let mut x185: u32 = 0;
-  let mut x186: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x185, &mut x186, x2, 0x9d671cd5);
-  let mut x187: u32 = 0;
-  let mut x188: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x187, &mut x188, x2, 0x81c69bc5);
-  let mut x189: u32 = 0;
-  let mut x190: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x189, &mut x190, x2, 0xe697f5e4);
-  let mut x191: u32 = 0;
-  let mut x192: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x191, &mut x192, x2, 0x5bcd07c6);
-  let mut x193: u32 = 0;
-  let mut x194: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x193, &mut x194, x2, 0x741496c2);
-  let mut x195: u32 = 0;
-  let mut x196: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x195, &mut x196, x2, 0xe7cf878);
-  let mut x197: u32 = 0;
-  let mut x198: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x197, &mut x198, x2, 0x896cf214);
-  let mut x199: u32 = 0;
-  let mut x200: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x199, &mut x200, x2, 0x67d7d140);
-  let mut x201: u32 = 0;
-  let mut x202: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x201, &mut x202, 0x0, x200, x197);
-  let mut x203: u32 = 0;
-  let mut x204: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x203, &mut x204, x202, x198, x195);
-  let mut x205: u32 = 0;
-  let mut x206: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x205, &mut x206, x204, x196, x193);
-  let mut x207: u32 = 0;
-  let mut x208: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x207, &mut x208, x206, x194, x191);
-  let mut x209: u32 = 0;
-  let mut x210: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x209, &mut x210, x208, x192, x189);
-  let mut x211: u32 = 0;
-  let mut x212: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x211, &mut x212, x210, x190, x187);
-  let mut x213: u32 = 0;
-  let mut x214: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x213, &mut x214, x212, x188, x185);
-  let mut x215: u32 = 0;
-  let mut x216: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x215, &mut x216, 0x0, x169, x199);
-  let mut x217: u32 = 0;
-  let mut x218: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x217, &mut x218, x216, x171, x201);
-  let mut x219: u32 = 0;
-  let mut x220: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x219, &mut x220, x218, x173, x203);
-  let mut x221: u32 = 0;
-  let mut x222: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x221, &mut x222, x220, x175, x205);
-  let mut x223: u32 = 0;
-  let mut x224: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x223, &mut x224, x222, x177, x207);
-  let mut x225: u32 = 0;
-  let mut x226: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x225, &mut x226, x224, x179, x209);
-  let mut x227: u32 = 0;
-  let mut x228: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x227, &mut x228, x226, x181, x211);
-  let mut x229: u32 = 0;
-  let mut x230: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x229, &mut x230, x228, x183, x213);
-  let mut x231: u32 = 0;
-  let mut x232: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x231, &mut x232, x215, 0x5588b13f);
-  let mut x233: u32 = 0;
-  let mut x234: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x233, &mut x234, x231, 0xffffffff);
-  let mut x235: u32 = 0;
-  let mut x236: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x235, &mut x236, x231, 0xffffffff);
-  let mut x237: u32 = 0;
-  let mut x238: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x237, &mut x238, x231, 0xffffffff);
-  let mut x239: u32 = 0;
-  let mut x240: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x239, &mut x240, x231, 0xfffffffe);
-  let mut x241: u32 = 0;
-  let mut x242: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x241, &mut x242, x231, 0xbaaedce6);
-  let mut x243: u32 = 0;
-  let mut x244: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x243, &mut x244, x231, 0xaf48a03b);
-  let mut x245: u32 = 0;
-  let mut x246: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x245, &mut x246, x231, 0xbfd25e8c);
-  let mut x247: u32 = 0;
-  let mut x248: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x247, &mut x248, x231, 0xd0364141);
-  let mut x249: u32 = 0;
-  let mut x250: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x249, &mut x250, 0x0, x248, x245);
-  let mut x251: u32 = 0;
-  let mut x252: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x251, &mut x252, x250, x246, x243);
-  let mut x253: u32 = 0;
-  let mut x254: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x253, &mut x254, x252, x244, x241);
-  let mut x255: u32 = 0;
-  let mut x256: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x255, &mut x256, x254, x242, x239);
-  let mut x257: u32 = 0;
-  let mut x258: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x257, &mut x258, x256, x240, x237);
-  let mut x259: u32 = 0;
-  let mut x260: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x259, &mut x260, x258, x238, x235);
-  let mut x261: u32 = 0;
-  let mut x262: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x261, &mut x262, x260, x236, x233);
-  let mut x263: u32 = 0;
-  let mut x264: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x263, &mut x264, 0x0, x215, x247);
-  let mut x265: u32 = 0;
-  let mut x266: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x265, &mut x266, x264, x217, x249);
-  let mut x267: u32 = 0;
-  let mut x268: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x267, &mut x268, x266, x219, x251);
-  let mut x269: u32 = 0;
-  let mut x270: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x269, &mut x270, x268, x221, x253);
-  let mut x271: u32 = 0;
-  let mut x272: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x271, &mut x272, x270, x223, x255);
-  let mut x273: u32 = 0;
-  let mut x274: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x273, &mut x274, x272, x225, x257);
-  let mut x275: u32 = 0;
-  let mut x276: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x275, &mut x276, x274, x227, x259);
-  let mut x277: u32 = 0;
-  let mut x278: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x277, &mut x278, x276, x229, x261);
-  let mut x279: u32 = 0;
-  let mut x280: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x279, &mut x280, x278, (((x230 as u32) + (x184 as u32)) + ((x214 as u32) + x186)), ((x262 as u32) + x234));
-  let mut x281: u32 = 0;
-  let mut x282: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x281, &mut x282, x3, 0x9d671cd5);
-  let mut x283: u32 = 0;
-  let mut x284: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x283, &mut x284, x3, 0x81c69bc5);
-  let mut x285: u32 = 0;
-  let mut x286: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x285, &mut x286, x3, 0xe697f5e4);
-  let mut x287: u32 = 0;
-  let mut x288: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x287, &mut x288, x3, 0x5bcd07c6);
-  let mut x289: u32 = 0;
-  let mut x290: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x289, &mut x290, x3, 0x741496c2);
-  let mut x291: u32 = 0;
-  let mut x292: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x291, &mut x292, x3, 0xe7cf878);
-  let mut x293: u32 = 0;
-  let mut x294: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x293, &mut x294, x3, 0x896cf214);
-  let mut x295: u32 = 0;
-  let mut x296: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x295, &mut x296, x3, 0x67d7d140);
-  let mut x297: u32 = 0;
-  let mut x298: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x297, &mut x298, 0x0, x296, x293);
-  let mut x299: u32 = 0;
-  let mut x300: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x299, &mut x300, x298, x294, x291);
-  let mut x301: u32 = 0;
-  let mut x302: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x301, &mut x302, x300, x292, x289);
-  let mut x303: u32 = 0;
-  let mut x304: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x303, &mut x304, x302, x290, x287);
-  let mut x305: u32 = 0;
-  let mut x306: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x305, &mut x306, x304, x288, x285);
-  let mut x307: u32 = 0;
-  let mut x308: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x307, &mut x308, x306, x286, x283);
-  let mut x309: u32 = 0;
-  let mut x310: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x309, &mut x310, x308, x284, x281);
-  let mut x311: u32 = 0;
-  let mut x312: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x311, &mut x312, 0x0, x265, x295);
-  let mut x313: u32 = 0;
-  let mut x314: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x313, &mut x314, x312, x267, x297);
-  let mut x315: u32 = 0;
-  let mut x316: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x315, &mut x316, x314, x269, x299);
-  let mut x317: u32 = 0;
-  let mut x318: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x317, &mut x318, x316, x271, x301);
-  let mut x319: u32 = 0;
-  let mut x320: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x319, &mut x320, x318, x273, x303);
-  let mut x321: u32 = 0;
-  let mut x322: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x321, &mut x322, x320, x275, x305);
-  let mut x323: u32 = 0;
-  let mut x324: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x323, &mut x324, x322, x277, x307);
-  let mut x325: u32 = 0;
-  let mut x326: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x325, &mut x326, x324, x279, x309);
-  let mut x327: u32 = 0;
-  let mut x328: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x327, &mut x328, x311, 0x5588b13f);
-  let mut x329: u32 = 0;
-  let mut x330: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x329, &mut x330, x327, 0xffffffff);
-  let mut x331: u32 = 0;
-  let mut x332: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x331, &mut x332, x327, 0xffffffff);
-  let mut x333: u32 = 0;
-  let mut x334: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x333, &mut x334, x327, 0xffffffff);
-  let mut x335: u32 = 0;
-  let mut x336: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x335, &mut x336, x327, 0xfffffffe);
-  let mut x337: u32 = 0;
-  let mut x338: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x337, &mut x338, x327, 0xbaaedce6);
-  let mut x339: u32 = 0;
-  let mut x340: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x339, &mut x340, x327, 0xaf48a03b);
-  let mut x341: u32 = 0;
-  let mut x342: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x341, &mut x342, x327, 0xbfd25e8c);
-  let mut x343: u32 = 0;
-  let mut x344: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x343, &mut x344, x327, 0xd0364141);
-  let mut x345: u32 = 0;
-  let mut x346: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x345, &mut x346, 0x0, x344, x341);
-  let mut x347: u32 = 0;
-  let mut x348: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x347, &mut x348, x346, x342, x339);
-  let mut x349: u32 = 0;
-  let mut x350: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x349, &mut x350, x348, x340, x337);
-  let mut x351: u32 = 0;
-  let mut x352: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x351, &mut x352, x350, x338, x335);
-  let mut x353: u32 = 0;
-  let mut x354: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x353, &mut x354, x352, x336, x333);
-  let mut x355: u32 = 0;
-  let mut x356: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x355, &mut x356, x354, x334, x331);
-  let mut x357: u32 = 0;
-  let mut x358: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x357, &mut x358, x356, x332, x329);
-  let mut x359: u32 = 0;
-  let mut x360: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x359, &mut x360, 0x0, x311, x343);
-  let mut x361: u32 = 0;
-  let mut x362: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x361, &mut x362, x360, x313, x345);
-  let mut x363: u32 = 0;
-  let mut x364: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x363, &mut x364, x362, x315, x347);
-  let mut x365: u32 = 0;
-  let mut x366: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x365, &mut x366, x364, x317, x349);
-  let mut x367: u32 = 0;
-  let mut x368: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x367, &mut x368, x366, x319, x351);
-  let mut x369: u32 = 0;
-  let mut x370: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x369, &mut x370, x368, x321, x353);
-  let mut x371: u32 = 0;
-  let mut x372: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x371, &mut x372, x370, x323, x355);
-  let mut x373: u32 = 0;
-  let mut x374: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x373, &mut x374, x372, x325, x357);
-  let mut x375: u32 = 0;
-  let mut x376: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x375, &mut x376, x374, (((x326 as u32) + (x280 as u32)) + ((x310 as u32) + x282)), ((x358 as u32) + x330));
-  let mut x377: u32 = 0;
-  let mut x378: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x377, &mut x378, x4, 0x9d671cd5);
-  let mut x379: u32 = 0;
-  let mut x380: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x379, &mut x380, x4, 0x81c69bc5);
-  let mut x381: u32 = 0;
-  let mut x382: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x381, &mut x382, x4, 0xe697f5e4);
-  let mut x383: u32 = 0;
-  let mut x384: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x383, &mut x384, x4, 0x5bcd07c6);
-  let mut x385: u32 = 0;
-  let mut x386: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x385, &mut x386, x4, 0x741496c2);
-  let mut x387: u32 = 0;
-  let mut x388: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x387, &mut x388, x4, 0xe7cf878);
-  let mut x389: u32 = 0;
-  let mut x390: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x389, &mut x390, x4, 0x896cf214);
-  let mut x391: u32 = 0;
-  let mut x392: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x391, &mut x392, x4, 0x67d7d140);
-  let mut x393: u32 = 0;
-  let mut x394: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x393, &mut x394, 0x0, x392, x389);
-  let mut x395: u32 = 0;
-  let mut x396: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x395, &mut x396, x394, x390, x387);
-  let mut x397: u32 = 0;
-  let mut x398: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x397, &mut x398, x396, x388, x385);
-  let mut x399: u32 = 0;
-  let mut x400: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x399, &mut x400, x398, x386, x383);
-  let mut x401: u32 = 0;
-  let mut x402: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x401, &mut x402, x400, x384, x381);
-  let mut x403: u32 = 0;
-  let mut x404: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x403, &mut x404, x402, x382, x379);
-  let mut x405: u32 = 0;
-  let mut x406: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x405, &mut x406, x404, x380, x377);
-  let mut x407: u32 = 0;
-  let mut x408: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x407, &mut x408, 0x0, x361, x391);
-  let mut x409: u32 = 0;
-  let mut x410: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x409, &mut x410, x408, x363, x393);
-  let mut x411: u32 = 0;
-  let mut x412: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x411, &mut x412, x410, x365, x395);
-  let mut x413: u32 = 0;
-  let mut x414: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x413, &mut x414, x412, x367, x397);
-  let mut x415: u32 = 0;
-  let mut x416: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x415, &mut x416, x414, x369, x399);
-  let mut x417: u32 = 0;
-  let mut x418: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x417, &mut x418, x416, x371, x401);
-  let mut x419: u32 = 0;
-  let mut x420: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x419, &mut x420, x418, x373, x403);
-  let mut x421: u32 = 0;
-  let mut x422: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x421, &mut x422, x420, x375, x405);
-  let mut x423: u32 = 0;
-  let mut x424: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x423, &mut x424, x407, 0x5588b13f);
-  let mut x425: u32 = 0;
-  let mut x426: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x425, &mut x426, x423, 0xffffffff);
-  let mut x427: u32 = 0;
-  let mut x428: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x427, &mut x428, x423, 0xffffffff);
-  let mut x429: u32 = 0;
-  let mut x430: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x429, &mut x430, x423, 0xffffffff);
-  let mut x431: u32 = 0;
-  let mut x432: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x431, &mut x432, x423, 0xfffffffe);
-  let mut x433: u32 = 0;
-  let mut x434: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x433, &mut x434, x423, 0xbaaedce6);
-  let mut x435: u32 = 0;
-  let mut x436: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x435, &mut x436, x423, 0xaf48a03b);
-  let mut x437: u32 = 0;
-  let mut x438: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x437, &mut x438, x423, 0xbfd25e8c);
-  let mut x439: u32 = 0;
-  let mut x440: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x439, &mut x440, x423, 0xd0364141);
-  let mut x441: u32 = 0;
-  let mut x442: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x441, &mut x442, 0x0, x440, x437);
-  let mut x443: u32 = 0;
-  let mut x444: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x443, &mut x444, x442, x438, x435);
-  let mut x445: u32 = 0;
-  let mut x446: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x445, &mut x446, x444, x436, x433);
-  let mut x447: u32 = 0;
-  let mut x448: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x447, &mut x448, x446, x434, x431);
-  let mut x449: u32 = 0;
-  let mut x450: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x449, &mut x450, x448, x432, x429);
-  let mut x451: u32 = 0;
-  let mut x452: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x451, &mut x452, x450, x430, x427);
-  let mut x453: u32 = 0;
-  let mut x454: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x453, &mut x454, x452, x428, x425);
-  let mut x455: u32 = 0;
-  let mut x456: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x455, &mut x456, 0x0, x407, x439);
-  let mut x457: u32 = 0;
-  let mut x458: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x457, &mut x458, x456, x409, x441);
-  let mut x459: u32 = 0;
-  let mut x460: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x459, &mut x460, x458, x411, x443);
-  let mut x461: u32 = 0;
-  let mut x462: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x461, &mut x462, x460, x413, x445);
-  let mut x463: u32 = 0;
-  let mut x464: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x463, &mut x464, x462, x415, x447);
-  let mut x465: u32 = 0;
-  let mut x466: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x465, &mut x466, x464, x417, x449);
-  let mut x467: u32 = 0;
-  let mut x468: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x467, &mut x468, x466, x419, x451);
-  let mut x469: u32 = 0;
-  let mut x470: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x469, &mut x470, x468, x421, x453);
-  let mut x471: u32 = 0;
-  let mut x472: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x471, &mut x472, x470, (((x422 as u32) + (x376 as u32)) + ((x406 as u32) + x378)), ((x454 as u32) + x426));
-  let mut x473: u32 = 0;
-  let mut x474: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x473, &mut x474, x5, 0x9d671cd5);
-  let mut x475: u32 = 0;
-  let mut x476: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x475, &mut x476, x5, 0x81c69bc5);
-  let mut x477: u32 = 0;
-  let mut x478: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x477, &mut x478, x5, 0xe697f5e4);
-  let mut x479: u32 = 0;
-  let mut x480: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x479, &mut x480, x5, 0x5bcd07c6);
-  let mut x481: u32 = 0;
-  let mut x482: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x481, &mut x482, x5, 0x741496c2);
-  let mut x483: u32 = 0;
-  let mut x484: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x483, &mut x484, x5, 0xe7cf878);
-  let mut x485: u32 = 0;
-  let mut x486: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x485, &mut x486, x5, 0x896cf214);
-  let mut x487: u32 = 0;
-  let mut x488: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x487, &mut x488, x5, 0x67d7d140);
-  let mut x489: u32 = 0;
-  let mut x490: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x489, &mut x490, 0x0, x488, x485);
-  let mut x491: u32 = 0;
-  let mut x492: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x491, &mut x492, x490, x486, x483);
-  let mut x493: u32 = 0;
-  let mut x494: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x493, &mut x494, x492, x484, x481);
-  let mut x495: u32 = 0;
-  let mut x496: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x495, &mut x496, x494, x482, x479);
-  let mut x497: u32 = 0;
-  let mut x498: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x497, &mut x498, x496, x480, x477);
-  let mut x499: u32 = 0;
-  let mut x500: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x499, &mut x500, x498, x478, x475);
-  let mut x501: u32 = 0;
-  let mut x502: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x501, &mut x502, x500, x476, x473);
-  let mut x503: u32 = 0;
-  let mut x504: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x503, &mut x504, 0x0, x457, x487);
-  let mut x505: u32 = 0;
-  let mut x506: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x505, &mut x506, x504, x459, x489);
-  let mut x507: u32 = 0;
-  let mut x508: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x507, &mut x508, x506, x461, x491);
-  let mut x509: u32 = 0;
-  let mut x510: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x509, &mut x510, x508, x463, x493);
-  let mut x511: u32 = 0;
-  let mut x512: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x511, &mut x512, x510, x465, x495);
-  let mut x513: u32 = 0;
-  let mut x514: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x513, &mut x514, x512, x467, x497);
-  let mut x515: u32 = 0;
-  let mut x516: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x515, &mut x516, x514, x469, x499);
-  let mut x517: u32 = 0;
-  let mut x518: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x517, &mut x518, x516, x471, x501);
-  let mut x519: u32 = 0;
-  let mut x520: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x519, &mut x520, x503, 0x5588b13f);
-  let mut x521: u32 = 0;
-  let mut x522: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x521, &mut x522, x519, 0xffffffff);
-  let mut x523: u32 = 0;
-  let mut x524: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x523, &mut x524, x519, 0xffffffff);
-  let mut x525: u32 = 0;
-  let mut x526: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x525, &mut x526, x519, 0xffffffff);
-  let mut x527: u32 = 0;
-  let mut x528: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x527, &mut x528, x519, 0xfffffffe);
-  let mut x529: u32 = 0;
-  let mut x530: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x529, &mut x530, x519, 0xbaaedce6);
-  let mut x531: u32 = 0;
-  let mut x532: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x531, &mut x532, x519, 0xaf48a03b);
-  let mut x533: u32 = 0;
-  let mut x534: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x533, &mut x534, x519, 0xbfd25e8c);
-  let mut x535: u32 = 0;
-  let mut x536: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x535, &mut x536, x519, 0xd0364141);
-  let mut x537: u32 = 0;
-  let mut x538: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x537, &mut x538, 0x0, x536, x533);
-  let mut x539: u32 = 0;
-  let mut x540: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x539, &mut x540, x538, x534, x531);
-  let mut x541: u32 = 0;
-  let mut x542: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x541, &mut x542, x540, x532, x529);
-  let mut x543: u32 = 0;
-  let mut x544: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x543, &mut x544, x542, x530, x527);
-  let mut x545: u32 = 0;
-  let mut x546: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x545, &mut x546, x544, x528, x525);
-  let mut x547: u32 = 0;
-  let mut x548: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x547, &mut x548, x546, x526, x523);
-  let mut x549: u32 = 0;
-  let mut x550: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x549, &mut x550, x548, x524, x521);
-  let mut x551: u32 = 0;
-  let mut x552: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x551, &mut x552, 0x0, x503, x535);
-  let mut x553: u32 = 0;
-  let mut x554: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x553, &mut x554, x552, x505, x537);
-  let mut x555: u32 = 0;
-  let mut x556: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x555, &mut x556, x554, x507, x539);
-  let mut x557: u32 = 0;
-  let mut x558: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x557, &mut x558, x556, x509, x541);
-  let mut x559: u32 = 0;
-  let mut x560: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x559, &mut x560, x558, x511, x543);
-  let mut x561: u32 = 0;
-  let mut x562: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x561, &mut x562, x560, x513, x545);
-  let mut x563: u32 = 0;
-  let mut x564: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x563, &mut x564, x562, x515, x547);
-  let mut x565: u32 = 0;
-  let mut x566: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x565, &mut x566, x564, x517, x549);
-  let mut x567: u32 = 0;
-  let mut x568: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x567, &mut x568, x566, (((x518 as u32) + (x472 as u32)) + ((x502 as u32) + x474)), ((x550 as u32) + x522));
-  let mut x569: u32 = 0;
-  let mut x570: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x569, &mut x570, x6, 0x9d671cd5);
-  let mut x571: u32 = 0;
-  let mut x572: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x571, &mut x572, x6, 0x81c69bc5);
-  let mut x573: u32 = 0;
-  let mut x574: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x573, &mut x574, x6, 0xe697f5e4);
-  let mut x575: u32 = 0;
-  let mut x576: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x575, &mut x576, x6, 0x5bcd07c6);
-  let mut x577: u32 = 0;
-  let mut x578: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x577, &mut x578, x6, 0x741496c2);
-  let mut x579: u32 = 0;
-  let mut x580: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x579, &mut x580, x6, 0xe7cf878);
-  let mut x581: u32 = 0;
-  let mut x582: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x581, &mut x582, x6, 0x896cf214);
-  let mut x583: u32 = 0;
-  let mut x584: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x583, &mut x584, x6, 0x67d7d140);
-  let mut x585: u32 = 0;
-  let mut x586: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x585, &mut x586, 0x0, x584, x581);
-  let mut x587: u32 = 0;
-  let mut x588: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x587, &mut x588, x586, x582, x579);
-  let mut x589: u32 = 0;
-  let mut x590: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x589, &mut x590, x588, x580, x577);
-  let mut x591: u32 = 0;
-  let mut x592: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x591, &mut x592, x590, x578, x575);
-  let mut x593: u32 = 0;
-  let mut x594: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x593, &mut x594, x592, x576, x573);
-  let mut x595: u32 = 0;
-  let mut x596: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x595, &mut x596, x594, x574, x571);
-  let mut x597: u32 = 0;
-  let mut x598: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x597, &mut x598, x596, x572, x569);
-  let mut x599: u32 = 0;
-  let mut x600: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x599, &mut x600, 0x0, x553, x583);
-  let mut x601: u32 = 0;
-  let mut x602: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x601, &mut x602, x600, x555, x585);
-  let mut x603: u32 = 0;
-  let mut x604: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x603, &mut x604, x602, x557, x587);
-  let mut x605: u32 = 0;
-  let mut x606: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x605, &mut x606, x604, x559, x589);
-  let mut x607: u32 = 0;
-  let mut x608: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x607, &mut x608, x606, x561, x591);
-  let mut x609: u32 = 0;
-  let mut x610: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x609, &mut x610, x608, x563, x593);
-  let mut x611: u32 = 0;
-  let mut x612: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x611, &mut x612, x610, x565, x595);
-  let mut x613: u32 = 0;
-  let mut x614: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x613, &mut x614, x612, x567, x597);
-  let mut x615: u32 = 0;
-  let mut x616: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x615, &mut x616, x599, 0x5588b13f);
-  let mut x617: u32 = 0;
-  let mut x618: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x617, &mut x618, x615, 0xffffffff);
-  let mut x619: u32 = 0;
-  let mut x620: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x619, &mut x620, x615, 0xffffffff);
-  let mut x621: u32 = 0;
-  let mut x622: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x621, &mut x622, x615, 0xffffffff);
-  let mut x623: u32 = 0;
-  let mut x624: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x623, &mut x624, x615, 0xfffffffe);
-  let mut x625: u32 = 0;
-  let mut x626: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x625, &mut x626, x615, 0xbaaedce6);
-  let mut x627: u32 = 0;
-  let mut x628: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x627, &mut x628, x615, 0xaf48a03b);
-  let mut x629: u32 = 0;
-  let mut x630: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x629, &mut x630, x615, 0xbfd25e8c);
-  let mut x631: u32 = 0;
-  let mut x632: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x631, &mut x632, x615, 0xd0364141);
-  let mut x633: u32 = 0;
-  let mut x634: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x633, &mut x634, 0x0, x632, x629);
-  let mut x635: u32 = 0;
-  let mut x636: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x635, &mut x636, x634, x630, x627);
-  let mut x637: u32 = 0;
-  let mut x638: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x637, &mut x638, x636, x628, x625);
-  let mut x639: u32 = 0;
-  let mut x640: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x639, &mut x640, x638, x626, x623);
-  let mut x641: u32 = 0;
-  let mut x642: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x641, &mut x642, x640, x624, x621);
-  let mut x643: u32 = 0;
-  let mut x644: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x643, &mut x644, x642, x622, x619);
-  let mut x645: u32 = 0;
-  let mut x646: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x645, &mut x646, x644, x620, x617);
-  let mut x647: u32 = 0;
-  let mut x648: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x647, &mut x648, 0x0, x599, x631);
-  let mut x649: u32 = 0;
-  let mut x650: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x649, &mut x650, x648, x601, x633);
-  let mut x651: u32 = 0;
-  let mut x652: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x651, &mut x652, x650, x603, x635);
-  let mut x653: u32 = 0;
-  let mut x654: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x653, &mut x654, x652, x605, x637);
-  let mut x655: u32 = 0;
-  let mut x656: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x655, &mut x656, x654, x607, x639);
-  let mut x657: u32 = 0;
-  let mut x658: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x657, &mut x658, x656, x609, x641);
-  let mut x659: u32 = 0;
-  let mut x660: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x659, &mut x660, x658, x611, x643);
-  let mut x661: u32 = 0;
-  let mut x662: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x661, &mut x662, x660, x613, x645);
-  let mut x663: u32 = 0;
-  let mut x664: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x663, &mut x664, x662, (((x614 as u32) + (x568 as u32)) + ((x598 as u32) + x570)), ((x646 as u32) + x618));
-  let mut x665: u32 = 0;
-  let mut x666: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x665, &mut x666, x7, 0x9d671cd5);
-  let mut x667: u32 = 0;
-  let mut x668: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x667, &mut x668, x7, 0x81c69bc5);
-  let mut x669: u32 = 0;
-  let mut x670: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x669, &mut x670, x7, 0xe697f5e4);
-  let mut x671: u32 = 0;
-  let mut x672: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x671, &mut x672, x7, 0x5bcd07c6);
-  let mut x673: u32 = 0;
-  let mut x674: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x673, &mut x674, x7, 0x741496c2);
-  let mut x675: u32 = 0;
-  let mut x676: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x675, &mut x676, x7, 0xe7cf878);
-  let mut x677: u32 = 0;
-  let mut x678: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x677, &mut x678, x7, 0x896cf214);
-  let mut x679: u32 = 0;
-  let mut x680: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x679, &mut x680, x7, 0x67d7d140);
-  let mut x681: u32 = 0;
-  let mut x682: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x681, &mut x682, 0x0, x680, x677);
-  let mut x683: u32 = 0;
-  let mut x684: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x683, &mut x684, x682, x678, x675);
-  let mut x685: u32 = 0;
-  let mut x686: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x685, &mut x686, x684, x676, x673);
-  let mut x687: u32 = 0;
-  let mut x688: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x687, &mut x688, x686, x674, x671);
-  let mut x689: u32 = 0;
-  let mut x690: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x689, &mut x690, x688, x672, x669);
-  let mut x691: u32 = 0;
-  let mut x692: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x691, &mut x692, x690, x670, x667);
-  let mut x693: u32 = 0;
-  let mut x694: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x693, &mut x694, x692, x668, x665);
-  let mut x695: u32 = 0;
-  let mut x696: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x695, &mut x696, 0x0, x649, x679);
-  let mut x697: u32 = 0;
-  let mut x698: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x697, &mut x698, x696, x651, x681);
-  let mut x699: u32 = 0;
-  let mut x700: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x699, &mut x700, x698, x653, x683);
-  let mut x701: u32 = 0;
-  let mut x702: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x701, &mut x702, x700, x655, x685);
-  let mut x703: u32 = 0;
-  let mut x704: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x703, &mut x704, x702, x657, x687);
-  let mut x705: u32 = 0;
-  let mut x706: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x705, &mut x706, x704, x659, x689);
-  let mut x707: u32 = 0;
-  let mut x708: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x707, &mut x708, x706, x661, x691);
-  let mut x709: u32 = 0;
-  let mut x710: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x709, &mut x710, x708, x663, x693);
-  let mut x711: u32 = 0;
-  let mut x712: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x711, &mut x712, x695, 0x5588b13f);
-  let mut x713: u32 = 0;
-  let mut x714: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x713, &mut x714, x711, 0xffffffff);
-  let mut x715: u32 = 0;
-  let mut x716: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x715, &mut x716, x711, 0xffffffff);
-  let mut x717: u32 = 0;
-  let mut x718: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x717, &mut x718, x711, 0xffffffff);
-  let mut x719: u32 = 0;
-  let mut x720: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x719, &mut x720, x711, 0xfffffffe);
-  let mut x721: u32 = 0;
-  let mut x722: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x721, &mut x722, x711, 0xbaaedce6);
-  let mut x723: u32 = 0;
-  let mut x724: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x723, &mut x724, x711, 0xaf48a03b);
-  let mut x725: u32 = 0;
-  let mut x726: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x725, &mut x726, x711, 0xbfd25e8c);
-  let mut x727: u32 = 0;
-  let mut x728: u32 = 0;
-  fiat_secp256k1_scalar_mulx_u32(&mut x727, &mut x728, x711, 0xd0364141);
-  let mut x729: u32 = 0;
-  let mut x730: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x729, &mut x730, 0x0, x728, x725);
-  let mut x731: u32 = 0;
-  let mut x732: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x731, &mut x732, x730, x726, x723);
-  let mut x733: u32 = 0;
-  let mut x734: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x733, &mut x734, x732, x724, x721);
-  let mut x735: u32 = 0;
-  let mut x736: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x735, &mut x736, x734, x722, x719);
-  let mut x737: u32 = 0;
-  let mut x738: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x737, &mut x738, x736, x720, x717);
-  let mut x739: u32 = 0;
-  let mut x740: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x739, &mut x740, x738, x718, x715);
-  let mut x741: u32 = 0;
-  let mut x742: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x741, &mut x742, x740, x716, x713);
-  let mut x743: u32 = 0;
-  let mut x744: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x743, &mut x744, 0x0, x695, x727);
-  let mut x745: u32 = 0;
-  let mut x746: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x745, &mut x746, x744, x697, x729);
-  let mut x747: u32 = 0;
-  let mut x748: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x747, &mut x748, x746, x699, x731);
-  let mut x749: u32 = 0;
-  let mut x750: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x749, &mut x750, x748, x701, x733);
-  let mut x751: u32 = 0;
-  let mut x752: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x751, &mut x752, x750, x703, x735);
-  let mut x753: u32 = 0;
-  let mut x754: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x753, &mut x754, x752, x705, x737);
-  let mut x755: u32 = 0;
-  let mut x756: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x755, &mut x756, x754, x707, x739);
-  let mut x757: u32 = 0;
-  let mut x758: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x757, &mut x758, x756, x709, x741);
-  let mut x759: u32 = 0;
-  let mut x760: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x759, &mut x760, x758, (((x710 as u32) + (x664 as u32)) + ((x694 as u32) + x666)), ((x742 as u32) + x714));
-  let mut x761: u32 = 0;
-  let mut x762: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x761, &mut x762, 0x0, x745, 0xd0364141);
-  let mut x763: u32 = 0;
-  let mut x764: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x763, &mut x764, x762, x747, 0xbfd25e8c);
-  let mut x765: u32 = 0;
-  let mut x766: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x765, &mut x766, x764, x749, 0xaf48a03b);
-  let mut x767: u32 = 0;
-  let mut x768: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x767, &mut x768, x766, x751, 0xbaaedce6);
-  let mut x769: u32 = 0;
-  let mut x770: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x769, &mut x770, x768, x753, 0xfffffffe);
-  let mut x771: u32 = 0;
-  let mut x772: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x771, &mut x772, x770, x755, 0xffffffff);
-  let mut x773: u32 = 0;
-  let mut x774: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x773, &mut x774, x772, x757, 0xffffffff);
-  let mut x775: u32 = 0;
-  let mut x776: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x775, &mut x776, x774, x759, 0xffffffff);
-  let mut x777: u32 = 0;
-  let mut x778: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x777, &mut x778, x776, (x760 as u32), (0x0 as u32));
-  let mut x779: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x779, x778, x761, x745);
-  let mut x780: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x780, x778, x763, x747);
-  let mut x781: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x781, x778, x765, x749);
-  let mut x782: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x782, x778, x767, x751);
-  let mut x783: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x783, x778, x769, x753);
-  let mut x784: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x784, x778, x771, x755);
-  let mut x785: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x785, x778, x773, x757);
-  let mut x786: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x786, x778, x775, x759);
-  out1[0] = x779;
-  out1[1] = x780;
-  out1[2] = x781;
-  out1[3] = x782;
-  out1[4] = x783;
-  out1[5] = x784;
-  out1[6] = x785;
-  out1[7] = x786;
-}
-
-/// The function fiat_secp256k1_scalar_nonzero outputs a single non-zero word if the input is non-zero and zero otherwise.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   out1 = 0 ↔ eval (from_montgomery arg1) mod m = 0
-///
-/// Input Bounds:
-///   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffff]
-#[inline]
-pub fn fiat_secp256k1_scalar_nonzero(out1: &mut u32, arg1: &[u32; 8]) -> () {
-  let x1: u32 = ((arg1[0]) | ((arg1[1]) | ((arg1[2]) | ((arg1[3]) | ((arg1[4]) | ((arg1[5]) | ((arg1[6]) | (arg1[7]))))))));
-  *out1 = x1;
-}
-
-/// The function fiat_secp256k1_scalar_selectznz is a multi-limb conditional select.
-///
-/// Postconditions:
-///   out1 = (if arg1 = 0 then arg2 else arg3)
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-///   arg3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-#[inline]
-pub fn fiat_secp256k1_scalar_selectznz(out1: &mut [u32; 8], arg1: fiat_secp256k1_scalar_u1, arg2: &[u32; 8], arg3: &[u32; 8]) -> () {
-  let mut x1: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x1, arg1, (arg2[0]), (arg3[0]));
-  let mut x2: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x2, arg1, (arg2[1]), (arg3[1]));
-  let mut x3: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x3, arg1, (arg2[2]), (arg3[2]));
-  let mut x4: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x4, arg1, (arg2[3]), (arg3[3]));
-  let mut x5: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x5, arg1, (arg2[4]), (arg3[4]));
-  let mut x6: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x6, arg1, (arg2[5]), (arg3[5]));
-  let mut x7: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x7, arg1, (arg2[6]), (arg3[6]));
-  let mut x8: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x8, arg1, (arg2[7]), (arg3[7]));
-  out1[0] = x1;
-  out1[1] = x2;
-  out1[2] = x3;
-  out1[3] = x4;
-  out1[4] = x5;
-  out1[5] = x6;
-  out1[6] = x7;
-  out1[7] = x8;
-}
-
-/// The function fiat_secp256k1_scalar_to_bytes serializes a field element NOT in the Montgomery domain to bytes in little-endian order.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   out1 = map (λ x, ⌊((eval arg1 mod m) mod 2^(8 * (x + 1))) / 2^(8 * x)⌋) [0..31]
-///
-/// Input Bounds:
-///   arg1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
-#[inline]
-pub fn fiat_secp256k1_scalar_to_bytes(out1: &mut [u8; 32], arg1: &[u32; 8]) -> () {
-  let x1: u32 = (arg1[7]);
-  let x2: u32 = (arg1[6]);
-  let x3: u32 = (arg1[5]);
-  let x4: u32 = (arg1[4]);
-  let x5: u32 = (arg1[3]);
-  let x6: u32 = (arg1[2]);
-  let x7: u32 = (arg1[1]);
-  let x8: u32 = (arg1[0]);
-  let x9: u8 = ((x8 & (0xff as u32)) as u8);
-  let x10: u32 = (x8 >> 8);
-  let x11: u8 = ((x10 & (0xff as u32)) as u8);
-  let x12: u32 = (x10 >> 8);
-  let x13: u8 = ((x12 & (0xff as u32)) as u8);
-  let x14: u8 = ((x12 >> 8) as u8);
-  let x15: u8 = ((x7 & (0xff as u32)) as u8);
-  let x16: u32 = (x7 >> 8);
-  let x17: u8 = ((x16 & (0xff as u32)) as u8);
-  let x18: u32 = (x16 >> 8);
-  let x19: u8 = ((x18 & (0xff as u32)) as u8);
-  let x20: u8 = ((x18 >> 8) as u8);
-  let x21: u8 = ((x6 & (0xff as u32)) as u8);
-  let x22: u32 = (x6 >> 8);
-  let x23: u8 = ((x22 & (0xff as u32)) as u8);
-  let x24: u32 = (x22 >> 8);
-  let x25: u8 = ((x24 & (0xff as u32)) as u8);
-  let x26: u8 = ((x24 >> 8) as u8);
-  let x27: u8 = ((x5 & (0xff as u32)) as u8);
-  let x28: u32 = (x5 >> 8);
-  let x29: u8 = ((x28 & (0xff as u32)) as u8);
-  let x30: u32 = (x28 >> 8);
-  let x31: u8 = ((x30 & (0xff as u32)) as u8);
-  let x32: u8 = ((x30 >> 8) as u8);
-  let x33: u8 = ((x4 & (0xff as u32)) as u8);
-  let x34: u32 = (x4 >> 8);
-  let x35: u8 = ((x34 & (0xff as u32)) as u8);
-  let x36: u32 = (x34 >> 8);
-  let x37: u8 = ((x36 & (0xff as u32)) as u8);
-  let x38: u8 = ((x36 >> 8) as u8);
-  let x39: u8 = ((x3 & (0xff as u32)) as u8);
-  let x40: u32 = (x3 >> 8);
-  let x41: u8 = ((x40 & (0xff as u32)) as u8);
-  let x42: u32 = (x40 >> 8);
-  let x43: u8 = ((x42 & (0xff as u32)) as u8);
-  let x44: u8 = ((x42 >> 8) as u8);
-  let x45: u8 = ((x2 & (0xff as u32)) as u8);
-  let x46: u32 = (x2 >> 8);
-  let x47: u8 = ((x46 & (0xff as u32)) as u8);
-  let x48: u32 = (x46 >> 8);
-  let x49: u8 = ((x48 & (0xff as u32)) as u8);
-  let x50: u8 = ((x48 >> 8) as u8);
-  let x51: u8 = ((x1 & (0xff as u32)) as u8);
-  let x52: u32 = (x1 >> 8);
-  let x53: u8 = ((x52 & (0xff as u32)) as u8);
-  let x54: u32 = (x52 >> 8);
-  let x55: u8 = ((x54 & (0xff as u32)) as u8);
-  let x56: u8 = ((x54 >> 8) as u8);
-  out1[0] = x9;
-  out1[1] = x11;
-  out1[2] = x13;
-  out1[3] = x14;
-  out1[4] = x15;
-  out1[5] = x17;
-  out1[6] = x19;
-  out1[7] = x20;
-  out1[8] = x21;
-  out1[9] = x23;
-  out1[10] = x25;
-  out1[11] = x26;
-  out1[12] = x27;
-  out1[13] = x29;
-  out1[14] = x31;
-  out1[15] = x32;
-  out1[16] = x33;
-  out1[17] = x35;
-  out1[18] = x37;
-  out1[19] = x38;
-  out1[20] = x39;
-  out1[21] = x41;
-  out1[22] = x43;
-  out1[23] = x44;
-  out1[24] = x45;
-  out1[25] = x47;
-  out1[26] = x49;
-  out1[27] = x50;
-  out1[28] = x51;
-  out1[29] = x53;
-  out1[30] = x55;
-  out1[31] = x56;
-}
-
-/// The function fiat_secp256k1_scalar_from_bytes deserializes a field element NOT in the Montgomery domain from bytes in little-endian order.
-///
-/// Preconditions:
-///   0 ≤ bytes_eval arg1 < m
-/// Postconditions:
-///   eval out1 mod m = bytes_eval arg1 mod m
-///   0 ≤ eval out1 < m
-///
-/// Input Bounds:
-///   arg1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-#[inline]
-pub fn fiat_secp256k1_scalar_from_bytes(out1: &mut [u32; 8], arg1: &[u8; 32]) -> () {
-  let x1: u32 = (((arg1[31]) as u32) << 24);
-  let x2: u32 = (((arg1[30]) as u32) << 16);
-  let x3: u32 = (((arg1[29]) as u32) << 8);
-  let x4: u8 = (arg1[28]);
-  let x5: u32 = (((arg1[27]) as u32) << 24);
-  let x6: u32 = (((arg1[26]) as u32) << 16);
-  let x7: u32 = (((arg1[25]) as u32) << 8);
-  let x8: u8 = (arg1[24]);
-  let x9: u32 = (((arg1[23]) as u32) << 24);
-  let x10: u32 = (((arg1[22]) as u32) << 16);
-  let x11: u32 = (((arg1[21]) as u32) << 8);
-  let x12: u8 = (arg1[20]);
-  let x13: u32 = (((arg1[19]) as u32) << 24);
-  let x14: u32 = (((arg1[18]) as u32) << 16);
-  let x15: u32 = (((arg1[17]) as u32) << 8);
-  let x16: u8 = (arg1[16]);
-  let x17: u32 = (((arg1[15]) as u32) << 24);
-  let x18: u32 = (((arg1[14]) as u32) << 16);
-  let x19: u32 = (((arg1[13]) as u32) << 8);
-  let x20: u8 = (arg1[12]);
-  let x21: u32 = (((arg1[11]) as u32) << 24);
-  let x22: u32 = (((arg1[10]) as u32) << 16);
-  let x23: u32 = (((arg1[9]) as u32) << 8);
-  let x24: u8 = (arg1[8]);
-  let x25: u32 = (((arg1[7]) as u32) << 24);
-  let x26: u32 = (((arg1[6]) as u32) << 16);
-  let x27: u32 = (((arg1[5]) as u32) << 8);
-  let x28: u8 = (arg1[4]);
-  let x29: u32 = (((arg1[3]) as u32) << 24);
-  let x30: u32 = (((arg1[2]) as u32) << 16);
-  let x31: u32 = (((arg1[1]) as u32) << 8);
-  let x32: u8 = (arg1[0]);
-  let x33: u32 = (x31 + (x32 as u32));
-  let x34: u32 = (x30 + x33);
-  let x35: u32 = (x29 + x34);
-  let x36: u32 = (x27 + (x28 as u32));
-  let x37: u32 = (x26 + x36);
-  let x38: u32 = (x25 + x37);
-  let x39: u32 = (x23 + (x24 as u32));
-  let x40: u32 = (x22 + x39);
-  let x41: u32 = (x21 + x40);
-  let x42: u32 = (x19 + (x20 as u32));
-  let x43: u32 = (x18 + x42);
-  let x44: u32 = (x17 + x43);
-  let x45: u32 = (x15 + (x16 as u32));
-  let x46: u32 = (x14 + x45);
-  let x47: u32 = (x13 + x46);
-  let x48: u32 = (x11 + (x12 as u32));
-  let x49: u32 = (x10 + x48);
-  let x50: u32 = (x9 + x49);
-  let x51: u32 = (x7 + (x8 as u32));
-  let x52: u32 = (x6 + x51);
-  let x53: u32 = (x5 + x52);
-  let x54: u32 = (x3 + (x4 as u32));
-  let x55: u32 = (x2 + x54);
-  let x56: u32 = (x1 + x55);
-  out1[0] = x35;
-  out1[1] = x38;
-  out1[2] = x41;
-  out1[3] = x44;
-  out1[4] = x47;
-  out1[5] = x50;
-  out1[6] = x53;
-  out1[7] = x56;
-}
-
-/// The function fiat_secp256k1_scalar_set_one returns the field element one in the Montgomery domain.
-///
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = 1 mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_set_one(out1: &mut fiat_secp256k1_scalar_montgomery_domain_field_element) -> () {
-  out1[0] = 0x2fc9bebf;
-  out1[1] = 0x402da173;
-  out1[2] = 0x50b75fc4;
-  out1[3] = 0x45512319;
-  out1[4] = (0x1 as u32);
-  out1[5] = (0x0 as u32);
-  out1[6] = (0x0 as u32);
-  out1[7] = (0x0 as u32);
-}
-
-/// The function fiat_secp256k1_scalar_msat returns the saturated representation of the prime modulus.
-///
-/// Postconditions:
-///   twos_complement_eval out1 = m
-///   0 ≤ eval out1 < m
-///
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-#[inline]
-pub fn fiat_secp256k1_scalar_msat(out1: &mut [u32; 9]) -> () {
-  out1[0] = 0xd0364141;
-  out1[1] = 0xbfd25e8c;
-  out1[2] = 0xaf48a03b;
-  out1[3] = 0xbaaedce6;
-  out1[4] = 0xfffffffe;
-  out1[5] = 0xffffffff;
-  out1[6] = 0xffffffff;
-  out1[7] = 0xffffffff;
-  out1[8] = (0x0 as u32);
-}
-
-/// The function fiat_secp256k1_scalar_divstep computes a divstep.
-///
-/// Preconditions:
-///   0 ≤ eval arg4 < m
-///   0 ≤ eval arg5 < m
-/// Postconditions:
-///   out1 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then 1 - arg1 else 1 + arg1)
-///   twos_complement_eval out2 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then twos_complement_eval arg3 else twos_complement_eval arg2)
-///   twos_complement_eval out3 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then ⌊(twos_complement_eval arg3 - twos_complement_eval arg2) / 2⌋ else ⌊(twos_complement_eval arg3 + (twos_complement_eval arg3 mod 2) * twos_complement_eval arg2) / 2⌋)
-///   eval (from_montgomery out4) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (2 * eval (from_montgomery arg5)) mod m else (2 * eval (from_montgomery arg4)) mod m)
-///   eval (from_montgomery out5) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (eval (from_montgomery arg4) - eval (from_montgomery arg4)) mod m else (eval (from_montgomery arg5) + (twos_complement_eval arg3 mod 2) * eval (from_montgomery arg4)) mod m)
-///   0 ≤ eval out5 < m
-///   0 ≤ eval out5 < m
-///   0 ≤ eval out2 < m
-///   0 ≤ eval out3 < m
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0xffffffff]
-///   arg2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-///   arg3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-///   arg4: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-///   arg5: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffff]
-///   out2: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-///   out3: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-///   out4: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-///   out5: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-#[inline]
-pub fn fiat_secp256k1_scalar_divstep(out1: &mut u32, out2: &mut [u32; 9], out3: &mut [u32; 9], out4: &mut [u32; 8], out5: &mut [u32; 8], arg1: u32, arg2: &[u32; 9], arg3: &[u32; 9], arg4: &[u32; 8], arg5: &[u32; 8]) -> () {
-  let mut x1: u32 = 0;
-  let mut x2: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x1, &mut x2, 0x0, (!arg1), (0x1 as u32));
-  let x3: fiat_secp256k1_scalar_u1 = (((x1 >> 31) as fiat_secp256k1_scalar_u1) & (((arg3[0]) & (0x1 as u32)) as fiat_secp256k1_scalar_u1));
-  let mut x4: u32 = 0;
-  let mut x5: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x4, &mut x5, 0x0, (!arg1), (0x1 as u32));
-  let mut x6: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x6, x3, arg1, x4);
-  let mut x7: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x7, x3, (arg2[0]), (arg3[0]));
-  let mut x8: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x8, x3, (arg2[1]), (arg3[1]));
-  let mut x9: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x9, x3, (arg2[2]), (arg3[2]));
-  let mut x10: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x10, x3, (arg2[3]), (arg3[3]));
-  let mut x11: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x11, x3, (arg2[4]), (arg3[4]));
-  let mut x12: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x12, x3, (arg2[5]), (arg3[5]));
-  let mut x13: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x13, x3, (arg2[6]), (arg3[6]));
-  let mut x14: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x14, x3, (arg2[7]), (arg3[7]));
-  let mut x15: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x15, x3, (arg2[8]), (arg3[8]));
-  let mut x16: u32 = 0;
-  let mut x17: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x16, &mut x17, 0x0, (0x1 as u32), (!(arg2[0])));
-  let mut x18: u32 = 0;
-  let mut x19: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x18, &mut x19, x17, (0x0 as u32), (!(arg2[1])));
-  let mut x20: u32 = 0;
-  let mut x21: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x20, &mut x21, x19, (0x0 as u32), (!(arg2[2])));
-  let mut x22: u32 = 0;
-  let mut x23: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x22, &mut x23, x21, (0x0 as u32), (!(arg2[3])));
-  let mut x24: u32 = 0;
-  let mut x25: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x24, &mut x25, x23, (0x0 as u32), (!(arg2[4])));
-  let mut x26: u32 = 0;
-  let mut x27: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x26, &mut x27, x25, (0x0 as u32), (!(arg2[5])));
-  let mut x28: u32 = 0;
-  let mut x29: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x28, &mut x29, x27, (0x0 as u32), (!(arg2[6])));
-  let mut x30: u32 = 0;
-  let mut x31: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x30, &mut x31, x29, (0x0 as u32), (!(arg2[7])));
-  let mut x32: u32 = 0;
-  let mut x33: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x32, &mut x33, x31, (0x0 as u32), (!(arg2[8])));
-  let mut x34: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x34, x3, (arg3[0]), x16);
-  let mut x35: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x35, x3, (arg3[1]), x18);
-  let mut x36: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x36, x3, (arg3[2]), x20);
-  let mut x37: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x37, x3, (arg3[3]), x22);
-  let mut x38: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x38, x3, (arg3[4]), x24);
-  let mut x39: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x39, x3, (arg3[5]), x26);
-  let mut x40: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x40, x3, (arg3[6]), x28);
-  let mut x41: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x41, x3, (arg3[7]), x30);
-  let mut x42: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x42, x3, (arg3[8]), x32);
-  let mut x43: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x43, x3, (arg4[0]), (arg5[0]));
-  let mut x44: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x44, x3, (arg4[1]), (arg5[1]));
-  let mut x45: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x45, x3, (arg4[2]), (arg5[2]));
-  let mut x46: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x46, x3, (arg4[3]), (arg5[3]));
-  let mut x47: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x47, x3, (arg4[4]), (arg5[4]));
-  let mut x48: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x48, x3, (arg4[5]), (arg5[5]));
-  let mut x49: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x49, x3, (arg4[6]), (arg5[6]));
-  let mut x50: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x50, x3, (arg4[7]), (arg5[7]));
-  let mut x51: u32 = 0;
-  let mut x52: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x51, &mut x52, 0x0, x43, x43);
-  let mut x53: u32 = 0;
-  let mut x54: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x53, &mut x54, x52, x44, x44);
-  let mut x55: u32 = 0;
-  let mut x56: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x55, &mut x56, x54, x45, x45);
-  let mut x57: u32 = 0;
-  let mut x58: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x57, &mut x58, x56, x46, x46);
-  let mut x59: u32 = 0;
-  let mut x60: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x59, &mut x60, x58, x47, x47);
-  let mut x61: u32 = 0;
-  let mut x62: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x61, &mut x62, x60, x48, x48);
-  let mut x63: u32 = 0;
-  let mut x64: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x63, &mut x64, x62, x49, x49);
-  let mut x65: u32 = 0;
-  let mut x66: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x65, &mut x66, x64, x50, x50);
-  let mut x67: u32 = 0;
-  let mut x68: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x67, &mut x68, 0x0, x51, 0xd0364141);
-  let mut x69: u32 = 0;
-  let mut x70: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x69, &mut x70, x68, x53, 0xbfd25e8c);
-  let mut x71: u32 = 0;
-  let mut x72: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x71, &mut x72, x70, x55, 0xaf48a03b);
-  let mut x73: u32 = 0;
-  let mut x74: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x73, &mut x74, x72, x57, 0xbaaedce6);
-  let mut x75: u32 = 0;
-  let mut x76: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x75, &mut x76, x74, x59, 0xfffffffe);
-  let mut x77: u32 = 0;
-  let mut x78: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x77, &mut x78, x76, x61, 0xffffffff);
-  let mut x79: u32 = 0;
-  let mut x80: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x79, &mut x80, x78, x63, 0xffffffff);
-  let mut x81: u32 = 0;
-  let mut x82: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x81, &mut x82, x80, x65, 0xffffffff);
-  let mut x83: u32 = 0;
-  let mut x84: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x83, &mut x84, x82, (x66 as u32), (0x0 as u32));
-  let x85: u32 = (arg4[7]);
-  let x86: u32 = (arg4[6]);
-  let x87: u32 = (arg4[5]);
-  let x88: u32 = (arg4[4]);
-  let x89: u32 = (arg4[3]);
-  let x90: u32 = (arg4[2]);
-  let x91: u32 = (arg4[1]);
-  let x92: u32 = (arg4[0]);
-  let mut x93: u32 = 0;
-  let mut x94: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x93, &mut x94, 0x0, (0x0 as u32), x92);
-  let mut x95: u32 = 0;
-  let mut x96: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x95, &mut x96, x94, (0x0 as u32), x91);
-  let mut x97: u32 = 0;
-  let mut x98: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x97, &mut x98, x96, (0x0 as u32), x90);
-  let mut x99: u32 = 0;
-  let mut x100: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x99, &mut x100, x98, (0x0 as u32), x89);
-  let mut x101: u32 = 0;
-  let mut x102: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x101, &mut x102, x100, (0x0 as u32), x88);
-  let mut x103: u32 = 0;
-  let mut x104: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x103, &mut x104, x102, (0x0 as u32), x87);
-  let mut x105: u32 = 0;
-  let mut x106: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x105, &mut x106, x104, (0x0 as u32), x86);
-  let mut x107: u32 = 0;
-  let mut x108: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x107, &mut x108, x106, (0x0 as u32), x85);
-  let mut x109: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x109, x108, (0x0 as u32), 0xffffffff);
-  let mut x110: u32 = 0;
-  let mut x111: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x110, &mut x111, 0x0, x93, (x109 & 0xd0364141));
-  let mut x112: u32 = 0;
-  let mut x113: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x112, &mut x113, x111, x95, (x109 & 0xbfd25e8c));
-  let mut x114: u32 = 0;
-  let mut x115: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x114, &mut x115, x113, x97, (x109 & 0xaf48a03b));
-  let mut x116: u32 = 0;
-  let mut x117: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x116, &mut x117, x115, x99, (x109 & 0xbaaedce6));
-  let mut x118: u32 = 0;
-  let mut x119: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x118, &mut x119, x117, x101, (x109 & 0xfffffffe));
-  let mut x120: u32 = 0;
-  let mut x121: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x120, &mut x121, x119, x103, x109);
-  let mut x122: u32 = 0;
-  let mut x123: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x122, &mut x123, x121, x105, x109);
-  let mut x124: u32 = 0;
-  let mut x125: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x124, &mut x125, x123, x107, x109);
-  let mut x126: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x126, x3, (arg5[0]), x110);
-  let mut x127: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x127, x3, (arg5[1]), x112);
-  let mut x128: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x128, x3, (arg5[2]), x114);
-  let mut x129: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x129, x3, (arg5[3]), x116);
-  let mut x130: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x130, x3, (arg5[4]), x118);
-  let mut x131: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x131, x3, (arg5[5]), x120);
-  let mut x132: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x132, x3, (arg5[6]), x122);
-  let mut x133: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x133, x3, (arg5[7]), x124);
-  let x134: fiat_secp256k1_scalar_u1 = ((x34 & (0x1 as u32)) as fiat_secp256k1_scalar_u1);
-  let mut x135: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x135, x134, (0x0 as u32), x7);
-  let mut x136: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x136, x134, (0x0 as u32), x8);
-  let mut x137: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x137, x134, (0x0 as u32), x9);
-  let mut x138: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x138, x134, (0x0 as u32), x10);
-  let mut x139: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x139, x134, (0x0 as u32), x11);
-  let mut x140: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x140, x134, (0x0 as u32), x12);
-  let mut x141: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x141, x134, (0x0 as u32), x13);
-  let mut x142: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x142, x134, (0x0 as u32), x14);
-  let mut x143: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x143, x134, (0x0 as u32), x15);
-  let mut x144: u32 = 0;
-  let mut x145: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x144, &mut x145, 0x0, x34, x135);
-  let mut x146: u32 = 0;
-  let mut x147: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x146, &mut x147, x145, x35, x136);
-  let mut x148: u32 = 0;
-  let mut x149: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x148, &mut x149, x147, x36, x137);
-  let mut x150: u32 = 0;
-  let mut x151: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x150, &mut x151, x149, x37, x138);
-  let mut x152: u32 = 0;
-  let mut x153: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x152, &mut x153, x151, x38, x139);
-  let mut x154: u32 = 0;
-  let mut x155: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x154, &mut x155, x153, x39, x140);
-  let mut x156: u32 = 0;
-  let mut x157: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x156, &mut x157, x155, x40, x141);
-  let mut x158: u32 = 0;
-  let mut x159: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x158, &mut x159, x157, x41, x142);
-  let mut x160: u32 = 0;
-  let mut x161: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x160, &mut x161, x159, x42, x143);
-  let mut x162: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x162, x134, (0x0 as u32), x43);
-  let mut x163: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x163, x134, (0x0 as u32), x44);
-  let mut x164: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x164, x134, (0x0 as u32), x45);
-  let mut x165: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x165, x134, (0x0 as u32), x46);
-  let mut x166: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x166, x134, (0x0 as u32), x47);
-  let mut x167: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x167, x134, (0x0 as u32), x48);
-  let mut x168: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x168, x134, (0x0 as u32), x49);
-  let mut x169: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x169, x134, (0x0 as u32), x50);
-  let mut x170: u32 = 0;
-  let mut x171: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x170, &mut x171, 0x0, x126, x162);
-  let mut x172: u32 = 0;
-  let mut x173: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x172, &mut x173, x171, x127, x163);
-  let mut x174: u32 = 0;
-  let mut x175: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x174, &mut x175, x173, x128, x164);
-  let mut x176: u32 = 0;
-  let mut x177: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x176, &mut x177, x175, x129, x165);
-  let mut x178: u32 = 0;
-  let mut x179: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x178, &mut x179, x177, x130, x166);
-  let mut x180: u32 = 0;
-  let mut x181: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x180, &mut x181, x179, x131, x167);
-  let mut x182: u32 = 0;
-  let mut x183: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x182, &mut x183, x181, x132, x168);
-  let mut x184: u32 = 0;
-  let mut x185: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x184, &mut x185, x183, x133, x169);
-  let mut x186: u32 = 0;
-  let mut x187: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x186, &mut x187, 0x0, x170, 0xd0364141);
-  let mut x188: u32 = 0;
-  let mut x189: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x188, &mut x189, x187, x172, 0xbfd25e8c);
-  let mut x190: u32 = 0;
-  let mut x191: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x190, &mut x191, x189, x174, 0xaf48a03b);
-  let mut x192: u32 = 0;
-  let mut x193: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x192, &mut x193, x191, x176, 0xbaaedce6);
-  let mut x194: u32 = 0;
-  let mut x195: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x194, &mut x195, x193, x178, 0xfffffffe);
-  let mut x196: u32 = 0;
-  let mut x197: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x196, &mut x197, x195, x180, 0xffffffff);
-  let mut x198: u32 = 0;
-  let mut x199: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x198, &mut x199, x197, x182, 0xffffffff);
-  let mut x200: u32 = 0;
-  let mut x201: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x200, &mut x201, x199, x184, 0xffffffff);
-  let mut x202: u32 = 0;
-  let mut x203: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u32(&mut x202, &mut x203, x201, (x185 as u32), (0x0 as u32));
-  let mut x204: u32 = 0;
-  let mut x205: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u32(&mut x204, &mut x205, 0x0, x6, (0x1 as u32));
-  let x206: u32 = ((x144 >> 1) | ((x146 << 31) & 0xffffffff));
-  let x207: u32 = ((x146 >> 1) | ((x148 << 31) & 0xffffffff));
-  let x208: u32 = ((x148 >> 1) | ((x150 << 31) & 0xffffffff));
-  let x209: u32 = ((x150 >> 1) | ((x152 << 31) & 0xffffffff));
-  let x210: u32 = ((x152 >> 1) | ((x154 << 31) & 0xffffffff));
-  let x211: u32 = ((x154 >> 1) | ((x156 << 31) & 0xffffffff));
-  let x212: u32 = ((x156 >> 1) | ((x158 << 31) & 0xffffffff));
-  let x213: u32 = ((x158 >> 1) | ((x160 << 31) & 0xffffffff));
-  let x214: u32 = ((x160 & 0x80000000) | (x160 >> 1));
-  let mut x215: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x215, x84, x67, x51);
-  let mut x216: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x216, x84, x69, x53);
-  let mut x217: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x217, x84, x71, x55);
-  let mut x218: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x218, x84, x73, x57);
-  let mut x219: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x219, x84, x75, x59);
-  let mut x220: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x220, x84, x77, x61);
-  let mut x221: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x221, x84, x79, x63);
-  let mut x222: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x222, x84, x81, x65);
-  let mut x223: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x223, x203, x186, x170);
-  let mut x224: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x224, x203, x188, x172);
-  let mut x225: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x225, x203, x190, x174);
-  let mut x226: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x226, x203, x192, x176);
-  let mut x227: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x227, x203, x194, x178);
-  let mut x228: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x228, x203, x196, x180);
-  let mut x229: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x229, x203, x198, x182);
-  let mut x230: u32 = 0;
-  fiat_secp256k1_scalar_cmovznz_u32(&mut x230, x203, x200, x184);
-  *out1 = x204;
-  out2[0] = x7;
-  out2[1] = x8;
-  out2[2] = x9;
-  out2[3] = x10;
-  out2[4] = x11;
-  out2[5] = x12;
-  out2[6] = x13;
-  out2[7] = x14;
-  out2[8] = x15;
-  out3[0] = x206;
-  out3[1] = x207;
-  out3[2] = x208;
-  out3[3] = x209;
-  out3[4] = x210;
-  out3[5] = x211;
-  out3[6] = x212;
-  out3[7] = x213;
-  out3[8] = x214;
-  out4[0] = x215;
-  out4[1] = x216;
-  out4[2] = x217;
-  out4[3] = x218;
-  out4[4] = x219;
-  out4[5] = x220;
-  out4[6] = x221;
-  out4[7] = x222;
-  out5[0] = x223;
-  out5[1] = x224;
-  out5[2] = x225;
-  out5[3] = x226;
-  out5[4] = x227;
-  out5[5] = x228;
-  out5[6] = x229;
-  out5[7] = x230;
-}
-
-/// The function fiat_secp256k1_scalar_divstep_precomp returns the precomputed value for Bernstein-Yang-inversion (in montgomery form).
-///
-/// Postconditions:
-///   eval (from_montgomery out1) = ⌊(m - 1) / 2⌋^(if ⌊log2 m⌋ + 1 < 46 then ⌊(49 * (⌊log2 m⌋ + 1) + 80) / 17⌋ else ⌊(49 * (⌊log2 m⌋ + 1) + 57) / 17⌋)
-///   0 ≤ eval out1 < m
-///
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff], [0x0 ~> 0xffffffff]]
-#[inline]
-pub fn fiat_secp256k1_scalar_divstep_precomp(out1: &mut [u32; 8]) -> () {
-  out1[0] = 0x2b9cb4e9;
-  out1[1] = 0xd7431a4d;
-  out1[2] = 0x32d9c503;
-  out1[3] = 0xab67d35a;
-  out1[4] = 0x859ce35f;
-  out1[5] = 0xadf6c7e5;
-  out1[6] = 0x1df6c379;
-  out1[7] = 0x61544145;
-}
diff --git a/vendor/fiat-crypto/src/secp256k1_scalar_64.rs b/vendor/fiat-crypto/src/secp256k1_scalar_64.rs
deleted file mode 100644
index 5778e6d41..000000000
--- a/vendor/fiat-crypto/src/secp256k1_scalar_64.rs
+++ /dev/null
@@ -1,2017 +0,0 @@
-//! Autogenerated: 'src/ExtractionOCaml/word_by_word_montgomery' --lang Rust --inline secp256k1_scalar 64 '2^256 - 432420386565659656852420866394968145599' mul square add sub opp from_montgomery to_montgomery nonzero selectznz to_bytes from_bytes one msat divstep divstep_precomp
-//! curve description: secp256k1_scalar
-//! machine_wordsize = 64 (from "64")
-//! requested operations: mul, square, add, sub, opp, from_montgomery, to_montgomery, nonzero, selectznz, to_bytes, from_bytes, one, msat, divstep, divstep_precomp
-//! m = 0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141 (from "2^256 - 432420386565659656852420866394968145599")
-//!
-//! NOTE: In addition to the bounds specified above each function, all
-//!   functions synthesized for this Montgomery arithmetic require the
-//!   input to be strictly less than the prime modulus (m), and also
-//!   require the input to be in the unique saturated representation.
-//!   All functions also ensure that these two properties are true of
-//!   return values.
-//!
-//! Computed values:
-//!   eval z = z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192)
-//!   bytes_eval z = z[0] + (z[1] << 8) + (z[2] << 16) + (z[3] << 24) + (z[4] << 32) + (z[5] << 40) + (z[6] << 48) + (z[7] << 56) + (z[8] << 64) + (z[9] << 72) + (z[10] << 80) + (z[11] << 88) + (z[12] << 96) + (z[13] << 104) + (z[14] << 112) + (z[15] << 120) + (z[16] << 128) + (z[17] << 136) + (z[18] << 144) + (z[19] << 152) + (z[20] << 160) + (z[21] << 168) + (z[22] << 176) + (z[23] << 184) + (z[24] << 192) + (z[25] << 200) + (z[26] << 208) + (z[27] << 216) + (z[28] << 224) + (z[29] << 232) + (z[30] << 240) + (z[31] << 248)
-//!   twos_complement_eval z = let x1 := z[0] + (z[1] << 64) + (z[2] << 128) + (z[3] << 192) in
-//!                            if x1 & (2^256-1) < 2^255 then x1 & (2^256-1) else (x1 & (2^256-1)) - 2^256
-
-#![allow(unused_parens)]
-#![allow(non_camel_case_types)]
-
-pub type fiat_secp256k1_scalar_u1 = u8;
-pub type fiat_secp256k1_scalar_i1 = i8;
-pub type fiat_secp256k1_scalar_u2 = u8;
-pub type fiat_secp256k1_scalar_i2 = i8;
-
-/* The type fiat_secp256k1_scalar_montgomery_domain_field_element is a field element in the Montgomery domain. */
-/* Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]] */
-pub type fiat_secp256k1_scalar_montgomery_domain_field_element = [u64; 4];
-
-/* The type fiat_secp256k1_scalar_non_montgomery_domain_field_element is a field element NOT in the Montgomery domain. */
-/* Bounds: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]] */
-pub type fiat_secp256k1_scalar_non_montgomery_domain_field_element = [u64; 4];
-
-
-/// The function fiat_secp256k1_scalar_addcarryx_u64 is an addition with carry.
-///
-/// Postconditions:
-///   out1 = (arg1 + arg2 + arg3) mod 2^64
-///   out2 = ⌊(arg1 + arg2 + arg3) / 2^64⌋
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [0x0 ~> 0xffffffffffffffff]
-///   arg3: [0x0 ~> 0xffffffffffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffffffffffff]
-///   out2: [0x0 ~> 0x1]
-#[inline]
-pub fn fiat_secp256k1_scalar_addcarryx_u64(out1: &mut u64, out2: &mut fiat_secp256k1_scalar_u1, arg1: fiat_secp256k1_scalar_u1, arg2: u64, arg3: u64) -> () {
-  let x1: u128 = (((arg1 as u128) + (arg2 as u128)) + (arg3 as u128));
-  let x2: u64 = ((x1 & (0xffffffffffffffff as u128)) as u64);
-  let x3: fiat_secp256k1_scalar_u1 = ((x1 >> 64) as fiat_secp256k1_scalar_u1);
-  *out1 = x2;
-  *out2 = x3;
-}
-
-/// The function fiat_secp256k1_scalar_subborrowx_u64 is a subtraction with borrow.
-///
-/// Postconditions:
-///   out1 = (-arg1 + arg2 + -arg3) mod 2^64
-///   out2 = -⌊(-arg1 + arg2 + -arg3) / 2^64⌋
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [0x0 ~> 0xffffffffffffffff]
-///   arg3: [0x0 ~> 0xffffffffffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffffffffffff]
-///   out2: [0x0 ~> 0x1]
-#[inline]
-pub fn fiat_secp256k1_scalar_subborrowx_u64(out1: &mut u64, out2: &mut fiat_secp256k1_scalar_u1, arg1: fiat_secp256k1_scalar_u1, arg2: u64, arg3: u64) -> () {
-  let x1: i128 = (((arg2 as i128) - (arg1 as i128)) - (arg3 as i128));
-  let x2: fiat_secp256k1_scalar_i1 = ((x1 >> 64) as fiat_secp256k1_scalar_i1);
-  let x3: u64 = ((x1 & (0xffffffffffffffff as i128)) as u64);
-  *out1 = x3;
-  *out2 = (((0x0 as fiat_secp256k1_scalar_i2) - (x2 as fiat_secp256k1_scalar_i2)) as fiat_secp256k1_scalar_u1);
-}
-
-/// The function fiat_secp256k1_scalar_mulx_u64 is a multiplication, returning the full double-width result.
-///
-/// Postconditions:
-///   out1 = (arg1 * arg2) mod 2^64
-///   out2 = ⌊arg1 * arg2 / 2^64⌋
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0xffffffffffffffff]
-///   arg2: [0x0 ~> 0xffffffffffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffffffffffff]
-///   out2: [0x0 ~> 0xffffffffffffffff]
-#[inline]
-pub fn fiat_secp256k1_scalar_mulx_u64(out1: &mut u64, out2: &mut u64, arg1: u64, arg2: u64) -> () {
-  let x1: u128 = ((arg1 as u128) * (arg2 as u128));
-  let x2: u64 = ((x1 & (0xffffffffffffffff as u128)) as u64);
-  let x3: u64 = ((x1 >> 64) as u64);
-  *out1 = x2;
-  *out2 = x3;
-}
-
-/// The function fiat_secp256k1_scalar_cmovznz_u64 is a single-word conditional move.
-///
-/// Postconditions:
-///   out1 = (if arg1 = 0 then arg2 else arg3)
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [0x0 ~> 0xffffffffffffffff]
-///   arg3: [0x0 ~> 0xffffffffffffffff]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffffffffffff]
-#[inline]
-pub fn fiat_secp256k1_scalar_cmovznz_u64(out1: &mut u64, arg1: fiat_secp256k1_scalar_u1, arg2: u64, arg3: u64) -> () {
-  let x1: fiat_secp256k1_scalar_u1 = (!(!arg1));
-  let x2: u64 = ((((((0x0 as fiat_secp256k1_scalar_i2) - (x1 as fiat_secp256k1_scalar_i2)) as fiat_secp256k1_scalar_i1) as i128) & (0xffffffffffffffff as i128)) as u64);
-  let x3: u64 = ((x2 & arg3) | ((!x2) & arg2));
-  *out1 = x3;
-}
-
-/// The function fiat_secp256k1_scalar_mul multiplies two field elements in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-///   0 ≤ eval arg2 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg2)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_mul(out1: &mut fiat_secp256k1_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_scalar_montgomery_domain_field_element, arg2: &fiat_secp256k1_scalar_montgomery_domain_field_element) -> () {
-  let x1: u64 = (arg1[1]);
-  let x2: u64 = (arg1[2]);
-  let x3: u64 = (arg1[3]);
-  let x4: u64 = (arg1[0]);
-  let mut x5: u64 = 0;
-  let mut x6: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x5, &mut x6, x4, (arg2[3]));
-  let mut x7: u64 = 0;
-  let mut x8: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x7, &mut x8, x4, (arg2[2]));
-  let mut x9: u64 = 0;
-  let mut x10: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x9, &mut x10, x4, (arg2[1]));
-  let mut x11: u64 = 0;
-  let mut x12: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x11, &mut x12, x4, (arg2[0]));
-  let mut x13: u64 = 0;
-  let mut x14: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x13, &mut x14, 0x0, x12, x9);
-  let mut x15: u64 = 0;
-  let mut x16: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x15, &mut x16, x14, x10, x7);
-  let mut x17: u64 = 0;
-  let mut x18: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x17, &mut x18, x16, x8, x5);
-  let x19: u64 = ((x18 as u64) + x6);
-  let mut x20: u64 = 0;
-  let mut x21: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x20, &mut x21, x11, 0x4b0dff665588b13f);
-  let mut x22: u64 = 0;
-  let mut x23: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x22, &mut x23, x20, 0xffffffffffffffff);
-  let mut x24: u64 = 0;
-  let mut x25: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x24, &mut x25, x20, 0xfffffffffffffffe);
-  let mut x26: u64 = 0;
-  let mut x27: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x26, &mut x27, x20, 0xbaaedce6af48a03b);
-  let mut x28: u64 = 0;
-  let mut x29: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x28, &mut x29, x20, 0xbfd25e8cd0364141);
-  let mut x30: u64 = 0;
-  let mut x31: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x30, &mut x31, 0x0, x29, x26);
-  let mut x32: u64 = 0;
-  let mut x33: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x32, &mut x33, x31, x27, x24);
-  let mut x34: u64 = 0;
-  let mut x35: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x34, &mut x35, x33, x25, x22);
-  let x36: u64 = ((x35 as u64) + x23);
-  let mut x37: u64 = 0;
-  let mut x38: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x37, &mut x38, 0x0, x11, x28);
-  let mut x39: u64 = 0;
-  let mut x40: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x39, &mut x40, x38, x13, x30);
-  let mut x41: u64 = 0;
-  let mut x42: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x41, &mut x42, x40, x15, x32);
-  let mut x43: u64 = 0;
-  let mut x44: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x43, &mut x44, x42, x17, x34);
-  let mut x45: u64 = 0;
-  let mut x46: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x45, &mut x46, x44, x19, x36);
-  let mut x47: u64 = 0;
-  let mut x48: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x47, &mut x48, x1, (arg2[3]));
-  let mut x49: u64 = 0;
-  let mut x50: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x49, &mut x50, x1, (arg2[2]));
-  let mut x51: u64 = 0;
-  let mut x52: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x51, &mut x52, x1, (arg2[1]));
-  let mut x53: u64 = 0;
-  let mut x54: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x53, &mut x54, x1, (arg2[0]));
-  let mut x55: u64 = 0;
-  let mut x56: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x55, &mut x56, 0x0, x54, x51);
-  let mut x57: u64 = 0;
-  let mut x58: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x57, &mut x58, x56, x52, x49);
-  let mut x59: u64 = 0;
-  let mut x60: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x59, &mut x60, x58, x50, x47);
-  let x61: u64 = ((x60 as u64) + x48);
-  let mut x62: u64 = 0;
-  let mut x63: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x62, &mut x63, 0x0, x39, x53);
-  let mut x64: u64 = 0;
-  let mut x65: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x64, &mut x65, x63, x41, x55);
-  let mut x66: u64 = 0;
-  let mut x67: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x66, &mut x67, x65, x43, x57);
-  let mut x68: u64 = 0;
-  let mut x69: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x68, &mut x69, x67, x45, x59);
-  let mut x70: u64 = 0;
-  let mut x71: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x70, &mut x71, x69, (x46 as u64), x61);
-  let mut x72: u64 = 0;
-  let mut x73: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x72, &mut x73, x62, 0x4b0dff665588b13f);
-  let mut x74: u64 = 0;
-  let mut x75: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x74, &mut x75, x72, 0xffffffffffffffff);
-  let mut x76: u64 = 0;
-  let mut x77: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x76, &mut x77, x72, 0xfffffffffffffffe);
-  let mut x78: u64 = 0;
-  let mut x79: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x78, &mut x79, x72, 0xbaaedce6af48a03b);
-  let mut x80: u64 = 0;
-  let mut x81: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x80, &mut x81, x72, 0xbfd25e8cd0364141);
-  let mut x82: u64 = 0;
-  let mut x83: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x82, &mut x83, 0x0, x81, x78);
-  let mut x84: u64 = 0;
-  let mut x85: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x84, &mut x85, x83, x79, x76);
-  let mut x86: u64 = 0;
-  let mut x87: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x86, &mut x87, x85, x77, x74);
-  let x88: u64 = ((x87 as u64) + x75);
-  let mut x89: u64 = 0;
-  let mut x90: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x89, &mut x90, 0x0, x62, x80);
-  let mut x91: u64 = 0;
-  let mut x92: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x91, &mut x92, x90, x64, x82);
-  let mut x93: u64 = 0;
-  let mut x94: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x93, &mut x94, x92, x66, x84);
-  let mut x95: u64 = 0;
-  let mut x96: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x95, &mut x96, x94, x68, x86);
-  let mut x97: u64 = 0;
-  let mut x98: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x97, &mut x98, x96, x70, x88);
-  let x99: u64 = ((x98 as u64) + (x71 as u64));
-  let mut x100: u64 = 0;
-  let mut x101: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x100, &mut x101, x2, (arg2[3]));
-  let mut x102: u64 = 0;
-  let mut x103: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x102, &mut x103, x2, (arg2[2]));
-  let mut x104: u64 = 0;
-  let mut x105: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x104, &mut x105, x2, (arg2[1]));
-  let mut x106: u64 = 0;
-  let mut x107: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x106, &mut x107, x2, (arg2[0]));
-  let mut x108: u64 = 0;
-  let mut x109: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x108, &mut x109, 0x0, x107, x104);
-  let mut x110: u64 = 0;
-  let mut x111: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x110, &mut x111, x109, x105, x102);
-  let mut x112: u64 = 0;
-  let mut x113: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x112, &mut x113, x111, x103, x100);
-  let x114: u64 = ((x113 as u64) + x101);
-  let mut x115: u64 = 0;
-  let mut x116: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x115, &mut x116, 0x0, x91, x106);
-  let mut x117: u64 = 0;
-  let mut x118: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x117, &mut x118, x116, x93, x108);
-  let mut x119: u64 = 0;
-  let mut x120: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x119, &mut x120, x118, x95, x110);
-  let mut x121: u64 = 0;
-  let mut x122: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x121, &mut x122, x120, x97, x112);
-  let mut x123: u64 = 0;
-  let mut x124: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x123, &mut x124, x122, x99, x114);
-  let mut x125: u64 = 0;
-  let mut x126: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x125, &mut x126, x115, 0x4b0dff665588b13f);
-  let mut x127: u64 = 0;
-  let mut x128: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x127, &mut x128, x125, 0xffffffffffffffff);
-  let mut x129: u64 = 0;
-  let mut x130: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x129, &mut x130, x125, 0xfffffffffffffffe);
-  let mut x131: u64 = 0;
-  let mut x132: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x131, &mut x132, x125, 0xbaaedce6af48a03b);
-  let mut x133: u64 = 0;
-  let mut x134: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x133, &mut x134, x125, 0xbfd25e8cd0364141);
-  let mut x135: u64 = 0;
-  let mut x136: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x135, &mut x136, 0x0, x134, x131);
-  let mut x137: u64 = 0;
-  let mut x138: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x137, &mut x138, x136, x132, x129);
-  let mut x139: u64 = 0;
-  let mut x140: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x139, &mut x140, x138, x130, x127);
-  let x141: u64 = ((x140 as u64) + x128);
-  let mut x142: u64 = 0;
-  let mut x143: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x142, &mut x143, 0x0, x115, x133);
-  let mut x144: u64 = 0;
-  let mut x145: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x144, &mut x145, x143, x117, x135);
-  let mut x146: u64 = 0;
-  let mut x147: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x146, &mut x147, x145, x119, x137);
-  let mut x148: u64 = 0;
-  let mut x149: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x148, &mut x149, x147, x121, x139);
-  let mut x150: u64 = 0;
-  let mut x151: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x150, &mut x151, x149, x123, x141);
-  let x152: u64 = ((x151 as u64) + (x124 as u64));
-  let mut x153: u64 = 0;
-  let mut x154: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x153, &mut x154, x3, (arg2[3]));
-  let mut x155: u64 = 0;
-  let mut x156: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x155, &mut x156, x3, (arg2[2]));
-  let mut x157: u64 = 0;
-  let mut x158: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x157, &mut x158, x3, (arg2[1]));
-  let mut x159: u64 = 0;
-  let mut x160: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x159, &mut x160, x3, (arg2[0]));
-  let mut x161: u64 = 0;
-  let mut x162: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x161, &mut x162, 0x0, x160, x157);
-  let mut x163: u64 = 0;
-  let mut x164: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x163, &mut x164, x162, x158, x155);
-  let mut x165: u64 = 0;
-  let mut x166: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x165, &mut x166, x164, x156, x153);
-  let x167: u64 = ((x166 as u64) + x154);
-  let mut x168: u64 = 0;
-  let mut x169: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x168, &mut x169, 0x0, x144, x159);
-  let mut x170: u64 = 0;
-  let mut x171: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x170, &mut x171, x169, x146, x161);
-  let mut x172: u64 = 0;
-  let mut x173: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x172, &mut x173, x171, x148, x163);
-  let mut x174: u64 = 0;
-  let mut x175: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x174, &mut x175, x173, x150, x165);
-  let mut x176: u64 = 0;
-  let mut x177: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x176, &mut x177, x175, x152, x167);
-  let mut x178: u64 = 0;
-  let mut x179: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x178, &mut x179, x168, 0x4b0dff665588b13f);
-  let mut x180: u64 = 0;
-  let mut x181: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x180, &mut x181, x178, 0xffffffffffffffff);
-  let mut x182: u64 = 0;
-  let mut x183: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x182, &mut x183, x178, 0xfffffffffffffffe);
-  let mut x184: u64 = 0;
-  let mut x185: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x184, &mut x185, x178, 0xbaaedce6af48a03b);
-  let mut x186: u64 = 0;
-  let mut x187: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x186, &mut x187, x178, 0xbfd25e8cd0364141);
-  let mut x188: u64 = 0;
-  let mut x189: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x188, &mut x189, 0x0, x187, x184);
-  let mut x190: u64 = 0;
-  let mut x191: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x190, &mut x191, x189, x185, x182);
-  let mut x192: u64 = 0;
-  let mut x193: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x192, &mut x193, x191, x183, x180);
-  let x194: u64 = ((x193 as u64) + x181);
-  let mut x195: u64 = 0;
-  let mut x196: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x195, &mut x196, 0x0, x168, x186);
-  let mut x197: u64 = 0;
-  let mut x198: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x197, &mut x198, x196, x170, x188);
-  let mut x199: u64 = 0;
-  let mut x200: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x199, &mut x200, x198, x172, x190);
-  let mut x201: u64 = 0;
-  let mut x202: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x201, &mut x202, x200, x174, x192);
-  let mut x203: u64 = 0;
-  let mut x204: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x203, &mut x204, x202, x176, x194);
-  let x205: u64 = ((x204 as u64) + (x177 as u64));
-  let mut x206: u64 = 0;
-  let mut x207: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x206, &mut x207, 0x0, x197, 0xbfd25e8cd0364141);
-  let mut x208: u64 = 0;
-  let mut x209: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x208, &mut x209, x207, x199, 0xbaaedce6af48a03b);
-  let mut x210: u64 = 0;
-  let mut x211: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x210, &mut x211, x209, x201, 0xfffffffffffffffe);
-  let mut x212: u64 = 0;
-  let mut x213: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x212, &mut x213, x211, x203, 0xffffffffffffffff);
-  let mut x214: u64 = 0;
-  let mut x215: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x214, &mut x215, x213, x205, (0x0 as u64));
-  let mut x216: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x216, x215, x206, x197);
-  let mut x217: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x217, x215, x208, x199);
-  let mut x218: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x218, x215, x210, x201);
-  let mut x219: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x219, x215, x212, x203);
-  out1[0] = x216;
-  out1[1] = x217;
-  out1[2] = x218;
-  out1[3] = x219;
-}
-
-/// The function fiat_secp256k1_scalar_square squares a field element in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) * eval (from_montgomery arg1)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_square(out1: &mut fiat_secp256k1_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_scalar_montgomery_domain_field_element) -> () {
-  let x1: u64 = (arg1[1]);
-  let x2: u64 = (arg1[2]);
-  let x3: u64 = (arg1[3]);
-  let x4: u64 = (arg1[0]);
-  let mut x5: u64 = 0;
-  let mut x6: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x5, &mut x6, x4, (arg1[3]));
-  let mut x7: u64 = 0;
-  let mut x8: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x7, &mut x8, x4, (arg1[2]));
-  let mut x9: u64 = 0;
-  let mut x10: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x9, &mut x10, x4, (arg1[1]));
-  let mut x11: u64 = 0;
-  let mut x12: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x11, &mut x12, x4, (arg1[0]));
-  let mut x13: u64 = 0;
-  let mut x14: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x13, &mut x14, 0x0, x12, x9);
-  let mut x15: u64 = 0;
-  let mut x16: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x15, &mut x16, x14, x10, x7);
-  let mut x17: u64 = 0;
-  let mut x18: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x17, &mut x18, x16, x8, x5);
-  let x19: u64 = ((x18 as u64) + x6);
-  let mut x20: u64 = 0;
-  let mut x21: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x20, &mut x21, x11, 0x4b0dff665588b13f);
-  let mut x22: u64 = 0;
-  let mut x23: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x22, &mut x23, x20, 0xffffffffffffffff);
-  let mut x24: u64 = 0;
-  let mut x25: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x24, &mut x25, x20, 0xfffffffffffffffe);
-  let mut x26: u64 = 0;
-  let mut x27: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x26, &mut x27, x20, 0xbaaedce6af48a03b);
-  let mut x28: u64 = 0;
-  let mut x29: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x28, &mut x29, x20, 0xbfd25e8cd0364141);
-  let mut x30: u64 = 0;
-  let mut x31: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x30, &mut x31, 0x0, x29, x26);
-  let mut x32: u64 = 0;
-  let mut x33: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x32, &mut x33, x31, x27, x24);
-  let mut x34: u64 = 0;
-  let mut x35: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x34, &mut x35, x33, x25, x22);
-  let x36: u64 = ((x35 as u64) + x23);
-  let mut x37: u64 = 0;
-  let mut x38: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x37, &mut x38, 0x0, x11, x28);
-  let mut x39: u64 = 0;
-  let mut x40: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x39, &mut x40, x38, x13, x30);
-  let mut x41: u64 = 0;
-  let mut x42: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x41, &mut x42, x40, x15, x32);
-  let mut x43: u64 = 0;
-  let mut x44: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x43, &mut x44, x42, x17, x34);
-  let mut x45: u64 = 0;
-  let mut x46: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x45, &mut x46, x44, x19, x36);
-  let mut x47: u64 = 0;
-  let mut x48: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x47, &mut x48, x1, (arg1[3]));
-  let mut x49: u64 = 0;
-  let mut x50: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x49, &mut x50, x1, (arg1[2]));
-  let mut x51: u64 = 0;
-  let mut x52: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x51, &mut x52, x1, (arg1[1]));
-  let mut x53: u64 = 0;
-  let mut x54: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x53, &mut x54, x1, (arg1[0]));
-  let mut x55: u64 = 0;
-  let mut x56: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x55, &mut x56, 0x0, x54, x51);
-  let mut x57: u64 = 0;
-  let mut x58: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x57, &mut x58, x56, x52, x49);
-  let mut x59: u64 = 0;
-  let mut x60: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x59, &mut x60, x58, x50, x47);
-  let x61: u64 = ((x60 as u64) + x48);
-  let mut x62: u64 = 0;
-  let mut x63: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x62, &mut x63, 0x0, x39, x53);
-  let mut x64: u64 = 0;
-  let mut x65: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x64, &mut x65, x63, x41, x55);
-  let mut x66: u64 = 0;
-  let mut x67: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x66, &mut x67, x65, x43, x57);
-  let mut x68: u64 = 0;
-  let mut x69: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x68, &mut x69, x67, x45, x59);
-  let mut x70: u64 = 0;
-  let mut x71: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x70, &mut x71, x69, (x46 as u64), x61);
-  let mut x72: u64 = 0;
-  let mut x73: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x72, &mut x73, x62, 0x4b0dff665588b13f);
-  let mut x74: u64 = 0;
-  let mut x75: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x74, &mut x75, x72, 0xffffffffffffffff);
-  let mut x76: u64 = 0;
-  let mut x77: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x76, &mut x77, x72, 0xfffffffffffffffe);
-  let mut x78: u64 = 0;
-  let mut x79: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x78, &mut x79, x72, 0xbaaedce6af48a03b);
-  let mut x80: u64 = 0;
-  let mut x81: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x80, &mut x81, x72, 0xbfd25e8cd0364141);
-  let mut x82: u64 = 0;
-  let mut x83: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x82, &mut x83, 0x0, x81, x78);
-  let mut x84: u64 = 0;
-  let mut x85: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x84, &mut x85, x83, x79, x76);
-  let mut x86: u64 = 0;
-  let mut x87: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x86, &mut x87, x85, x77, x74);
-  let x88: u64 = ((x87 as u64) + x75);
-  let mut x89: u64 = 0;
-  let mut x90: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x89, &mut x90, 0x0, x62, x80);
-  let mut x91: u64 = 0;
-  let mut x92: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x91, &mut x92, x90, x64, x82);
-  let mut x93: u64 = 0;
-  let mut x94: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x93, &mut x94, x92, x66, x84);
-  let mut x95: u64 = 0;
-  let mut x96: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x95, &mut x96, x94, x68, x86);
-  let mut x97: u64 = 0;
-  let mut x98: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x97, &mut x98, x96, x70, x88);
-  let x99: u64 = ((x98 as u64) + (x71 as u64));
-  let mut x100: u64 = 0;
-  let mut x101: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x100, &mut x101, x2, (arg1[3]));
-  let mut x102: u64 = 0;
-  let mut x103: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x102, &mut x103, x2, (arg1[2]));
-  let mut x104: u64 = 0;
-  let mut x105: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x104, &mut x105, x2, (arg1[1]));
-  let mut x106: u64 = 0;
-  let mut x107: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x106, &mut x107, x2, (arg1[0]));
-  let mut x108: u64 = 0;
-  let mut x109: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x108, &mut x109, 0x0, x107, x104);
-  let mut x110: u64 = 0;
-  let mut x111: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x110, &mut x111, x109, x105, x102);
-  let mut x112: u64 = 0;
-  let mut x113: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x112, &mut x113, x111, x103, x100);
-  let x114: u64 = ((x113 as u64) + x101);
-  let mut x115: u64 = 0;
-  let mut x116: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x115, &mut x116, 0x0, x91, x106);
-  let mut x117: u64 = 0;
-  let mut x118: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x117, &mut x118, x116, x93, x108);
-  let mut x119: u64 = 0;
-  let mut x120: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x119, &mut x120, x118, x95, x110);
-  let mut x121: u64 = 0;
-  let mut x122: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x121, &mut x122, x120, x97, x112);
-  let mut x123: u64 = 0;
-  let mut x124: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x123, &mut x124, x122, x99, x114);
-  let mut x125: u64 = 0;
-  let mut x126: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x125, &mut x126, x115, 0x4b0dff665588b13f);
-  let mut x127: u64 = 0;
-  let mut x128: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x127, &mut x128, x125, 0xffffffffffffffff);
-  let mut x129: u64 = 0;
-  let mut x130: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x129, &mut x130, x125, 0xfffffffffffffffe);
-  let mut x131: u64 = 0;
-  let mut x132: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x131, &mut x132, x125, 0xbaaedce6af48a03b);
-  let mut x133: u64 = 0;
-  let mut x134: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x133, &mut x134, x125, 0xbfd25e8cd0364141);
-  let mut x135: u64 = 0;
-  let mut x136: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x135, &mut x136, 0x0, x134, x131);
-  let mut x137: u64 = 0;
-  let mut x138: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x137, &mut x138, x136, x132, x129);
-  let mut x139: u64 = 0;
-  let mut x140: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x139, &mut x140, x138, x130, x127);
-  let x141: u64 = ((x140 as u64) + x128);
-  let mut x142: u64 = 0;
-  let mut x143: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x142, &mut x143, 0x0, x115, x133);
-  let mut x144: u64 = 0;
-  let mut x145: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x144, &mut x145, x143, x117, x135);
-  let mut x146: u64 = 0;
-  let mut x147: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x146, &mut x147, x145, x119, x137);
-  let mut x148: u64 = 0;
-  let mut x149: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x148, &mut x149, x147, x121, x139);
-  let mut x150: u64 = 0;
-  let mut x151: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x150, &mut x151, x149, x123, x141);
-  let x152: u64 = ((x151 as u64) + (x124 as u64));
-  let mut x153: u64 = 0;
-  let mut x154: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x153, &mut x154, x3, (arg1[3]));
-  let mut x155: u64 = 0;
-  let mut x156: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x155, &mut x156, x3, (arg1[2]));
-  let mut x157: u64 = 0;
-  let mut x158: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x157, &mut x158, x3, (arg1[1]));
-  let mut x159: u64 = 0;
-  let mut x160: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x159, &mut x160, x3, (arg1[0]));
-  let mut x161: u64 = 0;
-  let mut x162: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x161, &mut x162, 0x0, x160, x157);
-  let mut x163: u64 = 0;
-  let mut x164: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x163, &mut x164, x162, x158, x155);
-  let mut x165: u64 = 0;
-  let mut x166: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x165, &mut x166, x164, x156, x153);
-  let x167: u64 = ((x166 as u64) + x154);
-  let mut x168: u64 = 0;
-  let mut x169: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x168, &mut x169, 0x0, x144, x159);
-  let mut x170: u64 = 0;
-  let mut x171: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x170, &mut x171, x169, x146, x161);
-  let mut x172: u64 = 0;
-  let mut x173: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x172, &mut x173, x171, x148, x163);
-  let mut x174: u64 = 0;
-  let mut x175: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x174, &mut x175, x173, x150, x165);
-  let mut x176: u64 = 0;
-  let mut x177: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x176, &mut x177, x175, x152, x167);
-  let mut x178: u64 = 0;
-  let mut x179: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x178, &mut x179, x168, 0x4b0dff665588b13f);
-  let mut x180: u64 = 0;
-  let mut x181: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x180, &mut x181, x178, 0xffffffffffffffff);
-  let mut x182: u64 = 0;
-  let mut x183: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x182, &mut x183, x178, 0xfffffffffffffffe);
-  let mut x184: u64 = 0;
-  let mut x185: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x184, &mut x185, x178, 0xbaaedce6af48a03b);
-  let mut x186: u64 = 0;
-  let mut x187: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x186, &mut x187, x178, 0xbfd25e8cd0364141);
-  let mut x188: u64 = 0;
-  let mut x189: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x188, &mut x189, 0x0, x187, x184);
-  let mut x190: u64 = 0;
-  let mut x191: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x190, &mut x191, x189, x185, x182);
-  let mut x192: u64 = 0;
-  let mut x193: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x192, &mut x193, x191, x183, x180);
-  let x194: u64 = ((x193 as u64) + x181);
-  let mut x195: u64 = 0;
-  let mut x196: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x195, &mut x196, 0x0, x168, x186);
-  let mut x197: u64 = 0;
-  let mut x198: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x197, &mut x198, x196, x170, x188);
-  let mut x199: u64 = 0;
-  let mut x200: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x199, &mut x200, x198, x172, x190);
-  let mut x201: u64 = 0;
-  let mut x202: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x201, &mut x202, x200, x174, x192);
-  let mut x203: u64 = 0;
-  let mut x204: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x203, &mut x204, x202, x176, x194);
-  let x205: u64 = ((x204 as u64) + (x177 as u64));
-  let mut x206: u64 = 0;
-  let mut x207: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x206, &mut x207, 0x0, x197, 0xbfd25e8cd0364141);
-  let mut x208: u64 = 0;
-  let mut x209: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x208, &mut x209, x207, x199, 0xbaaedce6af48a03b);
-  let mut x210: u64 = 0;
-  let mut x211: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x210, &mut x211, x209, x201, 0xfffffffffffffffe);
-  let mut x212: u64 = 0;
-  let mut x213: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x212, &mut x213, x211, x203, 0xffffffffffffffff);
-  let mut x214: u64 = 0;
-  let mut x215: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x214, &mut x215, x213, x205, (0x0 as u64));
-  let mut x216: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x216, x215, x206, x197);
-  let mut x217: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x217, x215, x208, x199);
-  let mut x218: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x218, x215, x210, x201);
-  let mut x219: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x219, x215, x212, x203);
-  out1[0] = x216;
-  out1[1] = x217;
-  out1[2] = x218;
-  out1[3] = x219;
-}
-
-/// The function fiat_secp256k1_scalar_add adds two field elements in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-///   0 ≤ eval arg2 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) + eval (from_montgomery arg2)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_add(out1: &mut fiat_secp256k1_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_scalar_montgomery_domain_field_element, arg2: &fiat_secp256k1_scalar_montgomery_domain_field_element) -> () {
-  let mut x1: u64 = 0;
-  let mut x2: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
-  let mut x3: u64 = 0;
-  let mut x4: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
-  let mut x5: u64 = 0;
-  let mut x6: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
-  let mut x7: u64 = 0;
-  let mut x8: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
-  let mut x9: u64 = 0;
-  let mut x10: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x9, &mut x10, 0x0, x1, 0xbfd25e8cd0364141);
-  let mut x11: u64 = 0;
-  let mut x12: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x11, &mut x12, x10, x3, 0xbaaedce6af48a03b);
-  let mut x13: u64 = 0;
-  let mut x14: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x13, &mut x14, x12, x5, 0xfffffffffffffffe);
-  let mut x15: u64 = 0;
-  let mut x16: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x15, &mut x16, x14, x7, 0xffffffffffffffff);
-  let mut x17: u64 = 0;
-  let mut x18: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x17, &mut x18, x16, (x8 as u64), (0x0 as u64));
-  let mut x19: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x19, x18, x9, x1);
-  let mut x20: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x20, x18, x11, x3);
-  let mut x21: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x21, x18, x13, x5);
-  let mut x22: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x22, x18, x15, x7);
-  out1[0] = x19;
-  out1[1] = x20;
-  out1[2] = x21;
-  out1[3] = x22;
-}
-
-/// The function fiat_secp256k1_scalar_sub subtracts two field elements in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-///   0 ≤ eval arg2 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = (eval (from_montgomery arg1) - eval (from_montgomery arg2)) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_sub(out1: &mut fiat_secp256k1_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_scalar_montgomery_domain_field_element, arg2: &fiat_secp256k1_scalar_montgomery_domain_field_element) -> () {
-  let mut x1: u64 = 0;
-  let mut x2: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x1, &mut x2, 0x0, (arg1[0]), (arg2[0]));
-  let mut x3: u64 = 0;
-  let mut x4: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x3, &mut x4, x2, (arg1[1]), (arg2[1]));
-  let mut x5: u64 = 0;
-  let mut x6: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x5, &mut x6, x4, (arg1[2]), (arg2[2]));
-  let mut x7: u64 = 0;
-  let mut x8: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x7, &mut x8, x6, (arg1[3]), (arg2[3]));
-  let mut x9: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x9, x8, (0x0 as u64), 0xffffffffffffffff);
-  let mut x10: u64 = 0;
-  let mut x11: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x10, &mut x11, 0x0, x1, (x9 & 0xbfd25e8cd0364141));
-  let mut x12: u64 = 0;
-  let mut x13: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x12, &mut x13, x11, x3, (x9 & 0xbaaedce6af48a03b));
-  let mut x14: u64 = 0;
-  let mut x15: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x14, &mut x15, x13, x5, (x9 & 0xfffffffffffffffe));
-  let mut x16: u64 = 0;
-  let mut x17: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x16, &mut x17, x15, x7, x9);
-  out1[0] = x10;
-  out1[1] = x12;
-  out1[2] = x14;
-  out1[3] = x16;
-}
-
-/// The function fiat_secp256k1_scalar_opp negates a field element in the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = -eval (from_montgomery arg1) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_opp(out1: &mut fiat_secp256k1_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_scalar_montgomery_domain_field_element) -> () {
-  let mut x1: u64 = 0;
-  let mut x2: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x1, &mut x2, 0x0, (0x0 as u64), (arg1[0]));
-  let mut x3: u64 = 0;
-  let mut x4: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x3, &mut x4, x2, (0x0 as u64), (arg1[1]));
-  let mut x5: u64 = 0;
-  let mut x6: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x5, &mut x6, x4, (0x0 as u64), (arg1[2]));
-  let mut x7: u64 = 0;
-  let mut x8: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x7, &mut x8, x6, (0x0 as u64), (arg1[3]));
-  let mut x9: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x9, x8, (0x0 as u64), 0xffffffffffffffff);
-  let mut x10: u64 = 0;
-  let mut x11: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x10, &mut x11, 0x0, x1, (x9 & 0xbfd25e8cd0364141));
-  let mut x12: u64 = 0;
-  let mut x13: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x12, &mut x13, x11, x3, (x9 & 0xbaaedce6af48a03b));
-  let mut x14: u64 = 0;
-  let mut x15: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x14, &mut x15, x13, x5, (x9 & 0xfffffffffffffffe));
-  let mut x16: u64 = 0;
-  let mut x17: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x16, &mut x17, x15, x7, x9);
-  out1[0] = x10;
-  out1[1] = x12;
-  out1[2] = x14;
-  out1[3] = x16;
-}
-
-/// The function fiat_secp256k1_scalar_from_montgomery translates a field element out of the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval out1 mod m = (eval arg1 * ((2^64)⁻¹ mod m)^4) mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_from_montgomery(out1: &mut fiat_secp256k1_scalar_non_montgomery_domain_field_element, arg1: &fiat_secp256k1_scalar_montgomery_domain_field_element) -> () {
-  let x1: u64 = (arg1[0]);
-  let mut x2: u64 = 0;
-  let mut x3: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x2, &mut x3, x1, 0x4b0dff665588b13f);
-  let mut x4: u64 = 0;
-  let mut x5: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x4, &mut x5, x2, 0xffffffffffffffff);
-  let mut x6: u64 = 0;
-  let mut x7: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x6, &mut x7, x2, 0xfffffffffffffffe);
-  let mut x8: u64 = 0;
-  let mut x9: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x8, &mut x9, x2, 0xbaaedce6af48a03b);
-  let mut x10: u64 = 0;
-  let mut x11: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x10, &mut x11, x2, 0xbfd25e8cd0364141);
-  let mut x12: u64 = 0;
-  let mut x13: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x12, &mut x13, 0x0, x11, x8);
-  let mut x14: u64 = 0;
-  let mut x15: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x14, &mut x15, x13, x9, x6);
-  let mut x16: u64 = 0;
-  let mut x17: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x16, &mut x17, x15, x7, x4);
-  let mut x18: u64 = 0;
-  let mut x19: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x18, &mut x19, 0x0, x1, x10);
-  let mut x20: u64 = 0;
-  let mut x21: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x20, &mut x21, x19, (0x0 as u64), x12);
-  let mut x22: u64 = 0;
-  let mut x23: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x22, &mut x23, x21, (0x0 as u64), x14);
-  let mut x24: u64 = 0;
-  let mut x25: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x24, &mut x25, x23, (0x0 as u64), x16);
-  let mut x26: u64 = 0;
-  let mut x27: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x26, &mut x27, x25, (0x0 as u64), ((x17 as u64) + x5));
-  let mut x28: u64 = 0;
-  let mut x29: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x28, &mut x29, 0x0, x20, (arg1[1]));
-  let mut x30: u64 = 0;
-  let mut x31: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x30, &mut x31, x29, x22, (0x0 as u64));
-  let mut x32: u64 = 0;
-  let mut x33: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x32, &mut x33, x31, x24, (0x0 as u64));
-  let mut x34: u64 = 0;
-  let mut x35: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x34, &mut x35, x33, x26, (0x0 as u64));
-  let mut x36: u64 = 0;
-  let mut x37: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x36, &mut x37, x28, 0x4b0dff665588b13f);
-  let mut x38: u64 = 0;
-  let mut x39: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x38, &mut x39, x36, 0xffffffffffffffff);
-  let mut x40: u64 = 0;
-  let mut x41: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x40, &mut x41, x36, 0xfffffffffffffffe);
-  let mut x42: u64 = 0;
-  let mut x43: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x42, &mut x43, x36, 0xbaaedce6af48a03b);
-  let mut x44: u64 = 0;
-  let mut x45: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x44, &mut x45, x36, 0xbfd25e8cd0364141);
-  let mut x46: u64 = 0;
-  let mut x47: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x46, &mut x47, 0x0, x45, x42);
-  let mut x48: u64 = 0;
-  let mut x49: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x48, &mut x49, x47, x43, x40);
-  let mut x50: u64 = 0;
-  let mut x51: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x50, &mut x51, x49, x41, x38);
-  let mut x52: u64 = 0;
-  let mut x53: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x52, &mut x53, 0x0, x28, x44);
-  let mut x54: u64 = 0;
-  let mut x55: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x54, &mut x55, x53, x30, x46);
-  let mut x56: u64 = 0;
-  let mut x57: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x56, &mut x57, x55, x32, x48);
-  let mut x58: u64 = 0;
-  let mut x59: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x58, &mut x59, x57, x34, x50);
-  let mut x60: u64 = 0;
-  let mut x61: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x60, &mut x61, x59, ((x35 as u64) + (x27 as u64)), ((x51 as u64) + x39));
-  let mut x62: u64 = 0;
-  let mut x63: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x62, &mut x63, 0x0, x54, (arg1[2]));
-  let mut x64: u64 = 0;
-  let mut x65: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x64, &mut x65, x63, x56, (0x0 as u64));
-  let mut x66: u64 = 0;
-  let mut x67: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x66, &mut x67, x65, x58, (0x0 as u64));
-  let mut x68: u64 = 0;
-  let mut x69: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x68, &mut x69, x67, x60, (0x0 as u64));
-  let mut x70: u64 = 0;
-  let mut x71: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x70, &mut x71, x62, 0x4b0dff665588b13f);
-  let mut x72: u64 = 0;
-  let mut x73: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x72, &mut x73, x70, 0xffffffffffffffff);
-  let mut x74: u64 = 0;
-  let mut x75: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x74, &mut x75, x70, 0xfffffffffffffffe);
-  let mut x76: u64 = 0;
-  let mut x77: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x76, &mut x77, x70, 0xbaaedce6af48a03b);
-  let mut x78: u64 = 0;
-  let mut x79: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x78, &mut x79, x70, 0xbfd25e8cd0364141);
-  let mut x80: u64 = 0;
-  let mut x81: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x80, &mut x81, 0x0, x79, x76);
-  let mut x82: u64 = 0;
-  let mut x83: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x82, &mut x83, x81, x77, x74);
-  let mut x84: u64 = 0;
-  let mut x85: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x84, &mut x85, x83, x75, x72);
-  let mut x86: u64 = 0;
-  let mut x87: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x86, &mut x87, 0x0, x62, x78);
-  let mut x88: u64 = 0;
-  let mut x89: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x88, &mut x89, x87, x64, x80);
-  let mut x90: u64 = 0;
-  let mut x91: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x90, &mut x91, x89, x66, x82);
-  let mut x92: u64 = 0;
-  let mut x93: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x92, &mut x93, x91, x68, x84);
-  let mut x94: u64 = 0;
-  let mut x95: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x94, &mut x95, x93, ((x69 as u64) + (x61 as u64)), ((x85 as u64) + x73));
-  let mut x96: u64 = 0;
-  let mut x97: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x96, &mut x97, 0x0, x88, (arg1[3]));
-  let mut x98: u64 = 0;
-  let mut x99: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x98, &mut x99, x97, x90, (0x0 as u64));
-  let mut x100: u64 = 0;
-  let mut x101: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x100, &mut x101, x99, x92, (0x0 as u64));
-  let mut x102: u64 = 0;
-  let mut x103: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x102, &mut x103, x101, x94, (0x0 as u64));
-  let mut x104: u64 = 0;
-  let mut x105: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x104, &mut x105, x96, 0x4b0dff665588b13f);
-  let mut x106: u64 = 0;
-  let mut x107: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x106, &mut x107, x104, 0xffffffffffffffff);
-  let mut x108: u64 = 0;
-  let mut x109: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x108, &mut x109, x104, 0xfffffffffffffffe);
-  let mut x110: u64 = 0;
-  let mut x111: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x110, &mut x111, x104, 0xbaaedce6af48a03b);
-  let mut x112: u64 = 0;
-  let mut x113: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x112, &mut x113, x104, 0xbfd25e8cd0364141);
-  let mut x114: u64 = 0;
-  let mut x115: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x114, &mut x115, 0x0, x113, x110);
-  let mut x116: u64 = 0;
-  let mut x117: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x116, &mut x117, x115, x111, x108);
-  let mut x118: u64 = 0;
-  let mut x119: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x118, &mut x119, x117, x109, x106);
-  let mut x120: u64 = 0;
-  let mut x121: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x120, &mut x121, 0x0, x96, x112);
-  let mut x122: u64 = 0;
-  let mut x123: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x122, &mut x123, x121, x98, x114);
-  let mut x124: u64 = 0;
-  let mut x125: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x124, &mut x125, x123, x100, x116);
-  let mut x126: u64 = 0;
-  let mut x127: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x126, &mut x127, x125, x102, x118);
-  let mut x128: u64 = 0;
-  let mut x129: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x128, &mut x129, x127, ((x103 as u64) + (x95 as u64)), ((x119 as u64) + x107));
-  let mut x130: u64 = 0;
-  let mut x131: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x130, &mut x131, 0x0, x122, 0xbfd25e8cd0364141);
-  let mut x132: u64 = 0;
-  let mut x133: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x132, &mut x133, x131, x124, 0xbaaedce6af48a03b);
-  let mut x134: u64 = 0;
-  let mut x135: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x134, &mut x135, x133, x126, 0xfffffffffffffffe);
-  let mut x136: u64 = 0;
-  let mut x137: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x136, &mut x137, x135, x128, 0xffffffffffffffff);
-  let mut x138: u64 = 0;
-  let mut x139: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x138, &mut x139, x137, (x129 as u64), (0x0 as u64));
-  let mut x140: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x140, x139, x130, x122);
-  let mut x141: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x141, x139, x132, x124);
-  let mut x142: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x142, x139, x134, x126);
-  let mut x143: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x143, x139, x136, x128);
-  out1[0] = x140;
-  out1[1] = x141;
-  out1[2] = x142;
-  out1[3] = x143;
-}
-
-/// The function fiat_secp256k1_scalar_to_montgomery translates a field element into the Montgomery domain.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = eval arg1 mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_to_montgomery(out1: &mut fiat_secp256k1_scalar_montgomery_domain_field_element, arg1: &fiat_secp256k1_scalar_non_montgomery_domain_field_element) -> () {
-  let x1: u64 = (arg1[1]);
-  let x2: u64 = (arg1[2]);
-  let x3: u64 = (arg1[3]);
-  let x4: u64 = (arg1[0]);
-  let mut x5: u64 = 0;
-  let mut x6: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x5, &mut x6, x4, 0x9d671cd581c69bc5);
-  let mut x7: u64 = 0;
-  let mut x8: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x7, &mut x8, x4, 0xe697f5e45bcd07c6);
-  let mut x9: u64 = 0;
-  let mut x10: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x9, &mut x10, x4, 0x741496c20e7cf878);
-  let mut x11: u64 = 0;
-  let mut x12: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x11, &mut x12, x4, 0x896cf21467d7d140);
-  let mut x13: u64 = 0;
-  let mut x14: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x13, &mut x14, 0x0, x12, x9);
-  let mut x15: u64 = 0;
-  let mut x16: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x15, &mut x16, x14, x10, x7);
-  let mut x17: u64 = 0;
-  let mut x18: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x17, &mut x18, x16, x8, x5);
-  let mut x19: u64 = 0;
-  let mut x20: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x19, &mut x20, x11, 0x4b0dff665588b13f);
-  let mut x21: u64 = 0;
-  let mut x22: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x21, &mut x22, x19, 0xffffffffffffffff);
-  let mut x23: u64 = 0;
-  let mut x24: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x23, &mut x24, x19, 0xfffffffffffffffe);
-  let mut x25: u64 = 0;
-  let mut x26: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x25, &mut x26, x19, 0xbaaedce6af48a03b);
-  let mut x27: u64 = 0;
-  let mut x28: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x27, &mut x28, x19, 0xbfd25e8cd0364141);
-  let mut x29: u64 = 0;
-  let mut x30: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x29, &mut x30, 0x0, x28, x25);
-  let mut x31: u64 = 0;
-  let mut x32: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x31, &mut x32, x30, x26, x23);
-  let mut x33: u64 = 0;
-  let mut x34: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x33, &mut x34, x32, x24, x21);
-  let mut x35: u64 = 0;
-  let mut x36: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x35, &mut x36, 0x0, x11, x27);
-  let mut x37: u64 = 0;
-  let mut x38: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x37, &mut x38, x36, x13, x29);
-  let mut x39: u64 = 0;
-  let mut x40: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x39, &mut x40, x38, x15, x31);
-  let mut x41: u64 = 0;
-  let mut x42: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x41, &mut x42, x40, x17, x33);
-  let mut x43: u64 = 0;
-  let mut x44: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x43, &mut x44, x42, ((x18 as u64) + x6), ((x34 as u64) + x22));
-  let mut x45: u64 = 0;
-  let mut x46: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x45, &mut x46, x1, 0x9d671cd581c69bc5);
-  let mut x47: u64 = 0;
-  let mut x48: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x47, &mut x48, x1, 0xe697f5e45bcd07c6);
-  let mut x49: u64 = 0;
-  let mut x50: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x49, &mut x50, x1, 0x741496c20e7cf878);
-  let mut x51: u64 = 0;
-  let mut x52: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x51, &mut x52, x1, 0x896cf21467d7d140);
-  let mut x53: u64 = 0;
-  let mut x54: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x53, &mut x54, 0x0, x52, x49);
-  let mut x55: u64 = 0;
-  let mut x56: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x55, &mut x56, x54, x50, x47);
-  let mut x57: u64 = 0;
-  let mut x58: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x57, &mut x58, x56, x48, x45);
-  let mut x59: u64 = 0;
-  let mut x60: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x59, &mut x60, 0x0, x37, x51);
-  let mut x61: u64 = 0;
-  let mut x62: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x61, &mut x62, x60, x39, x53);
-  let mut x63: u64 = 0;
-  let mut x64: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x63, &mut x64, x62, x41, x55);
-  let mut x65: u64 = 0;
-  let mut x66: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x65, &mut x66, x64, x43, x57);
-  let mut x67: u64 = 0;
-  let mut x68: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x67, &mut x68, x59, 0x4b0dff665588b13f);
-  let mut x69: u64 = 0;
-  let mut x70: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x69, &mut x70, x67, 0xffffffffffffffff);
-  let mut x71: u64 = 0;
-  let mut x72: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x71, &mut x72, x67, 0xfffffffffffffffe);
-  let mut x73: u64 = 0;
-  let mut x74: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x73, &mut x74, x67, 0xbaaedce6af48a03b);
-  let mut x75: u64 = 0;
-  let mut x76: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x75, &mut x76, x67, 0xbfd25e8cd0364141);
-  let mut x77: u64 = 0;
-  let mut x78: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x77, &mut x78, 0x0, x76, x73);
-  let mut x79: u64 = 0;
-  let mut x80: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x79, &mut x80, x78, x74, x71);
-  let mut x81: u64 = 0;
-  let mut x82: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x81, &mut x82, x80, x72, x69);
-  let mut x83: u64 = 0;
-  let mut x84: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x83, &mut x84, 0x0, x59, x75);
-  let mut x85: u64 = 0;
-  let mut x86: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x85, &mut x86, x84, x61, x77);
-  let mut x87: u64 = 0;
-  let mut x88: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x87, &mut x88, x86, x63, x79);
-  let mut x89: u64 = 0;
-  let mut x90: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x89, &mut x90, x88, x65, x81);
-  let mut x91: u64 = 0;
-  let mut x92: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x91, &mut x92, x90, (((x66 as u64) + (x44 as u64)) + ((x58 as u64) + x46)), ((x82 as u64) + x70));
-  let mut x93: u64 = 0;
-  let mut x94: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x93, &mut x94, x2, 0x9d671cd581c69bc5);
-  let mut x95: u64 = 0;
-  let mut x96: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x95, &mut x96, x2, 0xe697f5e45bcd07c6);
-  let mut x97: u64 = 0;
-  let mut x98: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x97, &mut x98, x2, 0x741496c20e7cf878);
-  let mut x99: u64 = 0;
-  let mut x100: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x99, &mut x100, x2, 0x896cf21467d7d140);
-  let mut x101: u64 = 0;
-  let mut x102: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x101, &mut x102, 0x0, x100, x97);
-  let mut x103: u64 = 0;
-  let mut x104: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x103, &mut x104, x102, x98, x95);
-  let mut x105: u64 = 0;
-  let mut x106: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x105, &mut x106, x104, x96, x93);
-  let mut x107: u64 = 0;
-  let mut x108: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x107, &mut x108, 0x0, x85, x99);
-  let mut x109: u64 = 0;
-  let mut x110: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x109, &mut x110, x108, x87, x101);
-  let mut x111: u64 = 0;
-  let mut x112: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x111, &mut x112, x110, x89, x103);
-  let mut x113: u64 = 0;
-  let mut x114: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x113, &mut x114, x112, x91, x105);
-  let mut x115: u64 = 0;
-  let mut x116: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x115, &mut x116, x107, 0x4b0dff665588b13f);
-  let mut x117: u64 = 0;
-  let mut x118: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x117, &mut x118, x115, 0xffffffffffffffff);
-  let mut x119: u64 = 0;
-  let mut x120: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x119, &mut x120, x115, 0xfffffffffffffffe);
-  let mut x121: u64 = 0;
-  let mut x122: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x121, &mut x122, x115, 0xbaaedce6af48a03b);
-  let mut x123: u64 = 0;
-  let mut x124: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x123, &mut x124, x115, 0xbfd25e8cd0364141);
-  let mut x125: u64 = 0;
-  let mut x126: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x125, &mut x126, 0x0, x124, x121);
-  let mut x127: u64 = 0;
-  let mut x128: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x127, &mut x128, x126, x122, x119);
-  let mut x129: u64 = 0;
-  let mut x130: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x129, &mut x130, x128, x120, x117);
-  let mut x131: u64 = 0;
-  let mut x132: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x131, &mut x132, 0x0, x107, x123);
-  let mut x133: u64 = 0;
-  let mut x134: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x133, &mut x134, x132, x109, x125);
-  let mut x135: u64 = 0;
-  let mut x136: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x135, &mut x136, x134, x111, x127);
-  let mut x137: u64 = 0;
-  let mut x138: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x137, &mut x138, x136, x113, x129);
-  let mut x139: u64 = 0;
-  let mut x140: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x139, &mut x140, x138, (((x114 as u64) + (x92 as u64)) + ((x106 as u64) + x94)), ((x130 as u64) + x118));
-  let mut x141: u64 = 0;
-  let mut x142: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x141, &mut x142, x3, 0x9d671cd581c69bc5);
-  let mut x143: u64 = 0;
-  let mut x144: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x143, &mut x144, x3, 0xe697f5e45bcd07c6);
-  let mut x145: u64 = 0;
-  let mut x146: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x145, &mut x146, x3, 0x741496c20e7cf878);
-  let mut x147: u64 = 0;
-  let mut x148: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x147, &mut x148, x3, 0x896cf21467d7d140);
-  let mut x149: u64 = 0;
-  let mut x150: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x149, &mut x150, 0x0, x148, x145);
-  let mut x151: u64 = 0;
-  let mut x152: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x151, &mut x152, x150, x146, x143);
-  let mut x153: u64 = 0;
-  let mut x154: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x153, &mut x154, x152, x144, x141);
-  let mut x155: u64 = 0;
-  let mut x156: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x155, &mut x156, 0x0, x133, x147);
-  let mut x157: u64 = 0;
-  let mut x158: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x157, &mut x158, x156, x135, x149);
-  let mut x159: u64 = 0;
-  let mut x160: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x159, &mut x160, x158, x137, x151);
-  let mut x161: u64 = 0;
-  let mut x162: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x161, &mut x162, x160, x139, x153);
-  let mut x163: u64 = 0;
-  let mut x164: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x163, &mut x164, x155, 0x4b0dff665588b13f);
-  let mut x165: u64 = 0;
-  let mut x166: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x165, &mut x166, x163, 0xffffffffffffffff);
-  let mut x167: u64 = 0;
-  let mut x168: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x167, &mut x168, x163, 0xfffffffffffffffe);
-  let mut x169: u64 = 0;
-  let mut x170: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x169, &mut x170, x163, 0xbaaedce6af48a03b);
-  let mut x171: u64 = 0;
-  let mut x172: u64 = 0;
-  fiat_secp256k1_scalar_mulx_u64(&mut x171, &mut x172, x163, 0xbfd25e8cd0364141);
-  let mut x173: u64 = 0;
-  let mut x174: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x173, &mut x174, 0x0, x172, x169);
-  let mut x175: u64 = 0;
-  let mut x176: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x175, &mut x176, x174, x170, x167);
-  let mut x177: u64 = 0;
-  let mut x178: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x177, &mut x178, x176, x168, x165);
-  let mut x179: u64 = 0;
-  let mut x180: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x179, &mut x180, 0x0, x155, x171);
-  let mut x181: u64 = 0;
-  let mut x182: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x181, &mut x182, x180, x157, x173);
-  let mut x183: u64 = 0;
-  let mut x184: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x183, &mut x184, x182, x159, x175);
-  let mut x185: u64 = 0;
-  let mut x186: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x185, &mut x186, x184, x161, x177);
-  let mut x187: u64 = 0;
-  let mut x188: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x187, &mut x188, x186, (((x162 as u64) + (x140 as u64)) + ((x154 as u64) + x142)), ((x178 as u64) + x166));
-  let mut x189: u64 = 0;
-  let mut x190: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x189, &mut x190, 0x0, x181, 0xbfd25e8cd0364141);
-  let mut x191: u64 = 0;
-  let mut x192: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x191, &mut x192, x190, x183, 0xbaaedce6af48a03b);
-  let mut x193: u64 = 0;
-  let mut x194: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x193, &mut x194, x192, x185, 0xfffffffffffffffe);
-  let mut x195: u64 = 0;
-  let mut x196: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x195, &mut x196, x194, x187, 0xffffffffffffffff);
-  let mut x197: u64 = 0;
-  let mut x198: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x197, &mut x198, x196, (x188 as u64), (0x0 as u64));
-  let mut x199: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x199, x198, x189, x181);
-  let mut x200: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x200, x198, x191, x183);
-  let mut x201: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x201, x198, x193, x185);
-  let mut x202: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x202, x198, x195, x187);
-  out1[0] = x199;
-  out1[1] = x200;
-  out1[2] = x201;
-  out1[3] = x202;
-}
-
-/// The function fiat_secp256k1_scalar_nonzero outputs a single non-zero word if the input is non-zero and zero otherwise.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   out1 = 0 ↔ eval (from_montgomery arg1) mod m = 0
-///
-/// Input Bounds:
-///   arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffffffffffff]
-#[inline]
-pub fn fiat_secp256k1_scalar_nonzero(out1: &mut u64, arg1: &[u64; 4]) -> () {
-  let x1: u64 = ((arg1[0]) | ((arg1[1]) | ((arg1[2]) | (arg1[3]))));
-  *out1 = x1;
-}
-
-/// The function fiat_secp256k1_scalar_selectznz is a multi-limb conditional select.
-///
-/// Postconditions:
-///   out1 = (if arg1 = 0 then arg2 else arg3)
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0x1]
-///   arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-///   arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-#[inline]
-pub fn fiat_secp256k1_scalar_selectznz(out1: &mut [u64; 4], arg1: fiat_secp256k1_scalar_u1, arg2: &[u64; 4], arg3: &[u64; 4]) -> () {
-  let mut x1: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x1, arg1, (arg2[0]), (arg3[0]));
-  let mut x2: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x2, arg1, (arg2[1]), (arg3[1]));
-  let mut x3: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x3, arg1, (arg2[2]), (arg3[2]));
-  let mut x4: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x4, arg1, (arg2[3]), (arg3[3]));
-  out1[0] = x1;
-  out1[1] = x2;
-  out1[2] = x3;
-  out1[3] = x4;
-}
-
-/// The function fiat_secp256k1_scalar_to_bytes serializes a field element NOT in the Montgomery domain to bytes in little-endian order.
-///
-/// Preconditions:
-///   0 ≤ eval arg1 < m
-/// Postconditions:
-///   out1 = map (λ x, ⌊((eval arg1 mod m) mod 2^(8 * (x + 1))) / 2^(8 * x)⌋) [0..31]
-///
-/// Input Bounds:
-///   arg1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
-#[inline]
-pub fn fiat_secp256k1_scalar_to_bytes(out1: &mut [u8; 32], arg1: &[u64; 4]) -> () {
-  let x1: u64 = (arg1[3]);
-  let x2: u64 = (arg1[2]);
-  let x3: u64 = (arg1[1]);
-  let x4: u64 = (arg1[0]);
-  let x5: u8 = ((x4 & (0xff as u64)) as u8);
-  let x6: u64 = (x4 >> 8);
-  let x7: u8 = ((x6 & (0xff as u64)) as u8);
-  let x8: u64 = (x6 >> 8);
-  let x9: u8 = ((x8 & (0xff as u64)) as u8);
-  let x10: u64 = (x8 >> 8);
-  let x11: u8 = ((x10 & (0xff as u64)) as u8);
-  let x12: u64 = (x10 >> 8);
-  let x13: u8 = ((x12 & (0xff as u64)) as u8);
-  let x14: u64 = (x12 >> 8);
-  let x15: u8 = ((x14 & (0xff as u64)) as u8);
-  let x16: u64 = (x14 >> 8);
-  let x17: u8 = ((x16 & (0xff as u64)) as u8);
-  let x18: u8 = ((x16 >> 8) as u8);
-  let x19: u8 = ((x3 & (0xff as u64)) as u8);
-  let x20: u64 = (x3 >> 8);
-  let x21: u8 = ((x20 & (0xff as u64)) as u8);
-  let x22: u64 = (x20 >> 8);
-  let x23: u8 = ((x22 & (0xff as u64)) as u8);
-  let x24: u64 = (x22 >> 8);
-  let x25: u8 = ((x24 & (0xff as u64)) as u8);
-  let x26: u64 = (x24 >> 8);
-  let x27: u8 = ((x26 & (0xff as u64)) as u8);
-  let x28: u64 = (x26 >> 8);
-  let x29: u8 = ((x28 & (0xff as u64)) as u8);
-  let x30: u64 = (x28 >> 8);
-  let x31: u8 = ((x30 & (0xff as u64)) as u8);
-  let x32: u8 = ((x30 >> 8) as u8);
-  let x33: u8 = ((x2 & (0xff as u64)) as u8);
-  let x34: u64 = (x2 >> 8);
-  let x35: u8 = ((x34 & (0xff as u64)) as u8);
-  let x36: u64 = (x34 >> 8);
-  let x37: u8 = ((x36 & (0xff as u64)) as u8);
-  let x38: u64 = (x36 >> 8);
-  let x39: u8 = ((x38 & (0xff as u64)) as u8);
-  let x40: u64 = (x38 >> 8);
-  let x41: u8 = ((x40 & (0xff as u64)) as u8);
-  let x42: u64 = (x40 >> 8);
-  let x43: u8 = ((x42 & (0xff as u64)) as u8);
-  let x44: u64 = (x42 >> 8);
-  let x45: u8 = ((x44 & (0xff as u64)) as u8);
-  let x46: u8 = ((x44 >> 8) as u8);
-  let x47: u8 = ((x1 & (0xff as u64)) as u8);
-  let x48: u64 = (x1 >> 8);
-  let x49: u8 = ((x48 & (0xff as u64)) as u8);
-  let x50: u64 = (x48 >> 8);
-  let x51: u8 = ((x50 & (0xff as u64)) as u8);
-  let x52: u64 = (x50 >> 8);
-  let x53: u8 = ((x52 & (0xff as u64)) as u8);
-  let x54: u64 = (x52 >> 8);
-  let x55: u8 = ((x54 & (0xff as u64)) as u8);
-  let x56: u64 = (x54 >> 8);
-  let x57: u8 = ((x56 & (0xff as u64)) as u8);
-  let x58: u64 = (x56 >> 8);
-  let x59: u8 = ((x58 & (0xff as u64)) as u8);
-  let x60: u8 = ((x58 >> 8) as u8);
-  out1[0] = x5;
-  out1[1] = x7;
-  out1[2] = x9;
-  out1[3] = x11;
-  out1[4] = x13;
-  out1[5] = x15;
-  out1[6] = x17;
-  out1[7] = x18;
-  out1[8] = x19;
-  out1[9] = x21;
-  out1[10] = x23;
-  out1[11] = x25;
-  out1[12] = x27;
-  out1[13] = x29;
-  out1[14] = x31;
-  out1[15] = x32;
-  out1[16] = x33;
-  out1[17] = x35;
-  out1[18] = x37;
-  out1[19] = x39;
-  out1[20] = x41;
-  out1[21] = x43;
-  out1[22] = x45;
-  out1[23] = x46;
-  out1[24] = x47;
-  out1[25] = x49;
-  out1[26] = x51;
-  out1[27] = x53;
-  out1[28] = x55;
-  out1[29] = x57;
-  out1[30] = x59;
-  out1[31] = x60;
-}
-
-/// The function fiat_secp256k1_scalar_from_bytes deserializes a field element NOT in the Montgomery domain from bytes in little-endian order.
-///
-/// Preconditions:
-///   0 ≤ bytes_eval arg1 < m
-/// Postconditions:
-///   eval out1 mod m = bytes_eval arg1 mod m
-///   0 ≤ eval out1 < m
-///
-/// Input Bounds:
-///   arg1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]]
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-#[inline]
-pub fn fiat_secp256k1_scalar_from_bytes(out1: &mut [u64; 4], arg1: &[u8; 32]) -> () {
-  let x1: u64 = (((arg1[31]) as u64) << 56);
-  let x2: u64 = (((arg1[30]) as u64) << 48);
-  let x3: u64 = (((arg1[29]) as u64) << 40);
-  let x4: u64 = (((arg1[28]) as u64) << 32);
-  let x5: u64 = (((arg1[27]) as u64) << 24);
-  let x6: u64 = (((arg1[26]) as u64) << 16);
-  let x7: u64 = (((arg1[25]) as u64) << 8);
-  let x8: u8 = (arg1[24]);
-  let x9: u64 = (((arg1[23]) as u64) << 56);
-  let x10: u64 = (((arg1[22]) as u64) << 48);
-  let x11: u64 = (((arg1[21]) as u64) << 40);
-  let x12: u64 = (((arg1[20]) as u64) << 32);
-  let x13: u64 = (((arg1[19]) as u64) << 24);
-  let x14: u64 = (((arg1[18]) as u64) << 16);
-  let x15: u64 = (((arg1[17]) as u64) << 8);
-  let x16: u8 = (arg1[16]);
-  let x17: u64 = (((arg1[15]) as u64) << 56);
-  let x18: u64 = (((arg1[14]) as u64) << 48);
-  let x19: u64 = (((arg1[13]) as u64) << 40);
-  let x20: u64 = (((arg1[12]) as u64) << 32);
-  let x21: u64 = (((arg1[11]) as u64) << 24);
-  let x22: u64 = (((arg1[10]) as u64) << 16);
-  let x23: u64 = (((arg1[9]) as u64) << 8);
-  let x24: u8 = (arg1[8]);
-  let x25: u64 = (((arg1[7]) as u64) << 56);
-  let x26: u64 = (((arg1[6]) as u64) << 48);
-  let x27: u64 = (((arg1[5]) as u64) << 40);
-  let x28: u64 = (((arg1[4]) as u64) << 32);
-  let x29: u64 = (((arg1[3]) as u64) << 24);
-  let x30: u64 = (((arg1[2]) as u64) << 16);
-  let x31: u64 = (((arg1[1]) as u64) << 8);
-  let x32: u8 = (arg1[0]);
-  let x33: u64 = (x31 + (x32 as u64));
-  let x34: u64 = (x30 + x33);
-  let x35: u64 = (x29 + x34);
-  let x36: u64 = (x28 + x35);
-  let x37: u64 = (x27 + x36);
-  let x38: u64 = (x26 + x37);
-  let x39: u64 = (x25 + x38);
-  let x40: u64 = (x23 + (x24 as u64));
-  let x41: u64 = (x22 + x40);
-  let x42: u64 = (x21 + x41);
-  let x43: u64 = (x20 + x42);
-  let x44: u64 = (x19 + x43);
-  let x45: u64 = (x18 + x44);
-  let x46: u64 = (x17 + x45);
-  let x47: u64 = (x15 + (x16 as u64));
-  let x48: u64 = (x14 + x47);
-  let x49: u64 = (x13 + x48);
-  let x50: u64 = (x12 + x49);
-  let x51: u64 = (x11 + x50);
-  let x52: u64 = (x10 + x51);
-  let x53: u64 = (x9 + x52);
-  let x54: u64 = (x7 + (x8 as u64));
-  let x55: u64 = (x6 + x54);
-  let x56: u64 = (x5 + x55);
-  let x57: u64 = (x4 + x56);
-  let x58: u64 = (x3 + x57);
-  let x59: u64 = (x2 + x58);
-  let x60: u64 = (x1 + x59);
-  out1[0] = x39;
-  out1[1] = x46;
-  out1[2] = x53;
-  out1[3] = x60;
-}
-
-/// The function fiat_secp256k1_scalar_set_one returns the field element one in the Montgomery domain.
-///
-/// Postconditions:
-///   eval (from_montgomery out1) mod m = 1 mod m
-///   0 ≤ eval out1 < m
-///
-#[inline]
-pub fn fiat_secp256k1_scalar_set_one(out1: &mut fiat_secp256k1_scalar_montgomery_domain_field_element) -> () {
-  out1[0] = 0x402da1732fc9bebf;
-  out1[1] = 0x4551231950b75fc4;
-  out1[2] = (0x1 as u64);
-  out1[3] = (0x0 as u64);
-}
-
-/// The function fiat_secp256k1_scalar_msat returns the saturated representation of the prime modulus.
-///
-/// Postconditions:
-///   twos_complement_eval out1 = m
-///   0 ≤ eval out1 < m
-///
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-#[inline]
-pub fn fiat_secp256k1_scalar_msat(out1: &mut [u64; 5]) -> () {
-  out1[0] = 0xbfd25e8cd0364141;
-  out1[1] = 0xbaaedce6af48a03b;
-  out1[2] = 0xfffffffffffffffe;
-  out1[3] = 0xffffffffffffffff;
-  out1[4] = (0x0 as u64);
-}
-
-/// The function fiat_secp256k1_scalar_divstep computes a divstep.
-///
-/// Preconditions:
-///   0 ≤ eval arg4 < m
-///   0 ≤ eval arg5 < m
-/// Postconditions:
-///   out1 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then 1 - arg1 else 1 + arg1)
-///   twos_complement_eval out2 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then twos_complement_eval arg3 else twos_complement_eval arg2)
-///   twos_complement_eval out3 = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then ⌊(twos_complement_eval arg3 - twos_complement_eval arg2) / 2⌋ else ⌊(twos_complement_eval arg3 + (twos_complement_eval arg3 mod 2) * twos_complement_eval arg2) / 2⌋)
-///   eval (from_montgomery out4) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (2 * eval (from_montgomery arg5)) mod m else (2 * eval (from_montgomery arg4)) mod m)
-///   eval (from_montgomery out5) mod m = (if 0 < arg1 ∧ (twos_complement_eval arg3) is odd then (eval (from_montgomery arg4) - eval (from_montgomery arg4)) mod m else (eval (from_montgomery arg5) + (twos_complement_eval arg3 mod 2) * eval (from_montgomery arg4)) mod m)
-///   0 ≤ eval out5 < m
-///   0 ≤ eval out5 < m
-///   0 ≤ eval out2 < m
-///   0 ≤ eval out3 < m
-///
-/// Input Bounds:
-///   arg1: [0x0 ~> 0xffffffffffffffff]
-///   arg2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-///   arg3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-///   arg4: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-///   arg5: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-/// Output Bounds:
-///   out1: [0x0 ~> 0xffffffffffffffff]
-///   out2: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-///   out3: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-///   out4: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-///   out5: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-#[inline]
-pub fn fiat_secp256k1_scalar_divstep(out1: &mut u64, out2: &mut [u64; 5], out3: &mut [u64; 5], out4: &mut [u64; 4], out5: &mut [u64; 4], arg1: u64, arg2: &[u64; 5], arg3: &[u64; 5], arg4: &[u64; 4], arg5: &[u64; 4]) -> () {
-  let mut x1: u64 = 0;
-  let mut x2: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x1, &mut x2, 0x0, (!arg1), (0x1 as u64));
-  let x3: fiat_secp256k1_scalar_u1 = (((x1 >> 63) as fiat_secp256k1_scalar_u1) & (((arg3[0]) & (0x1 as u64)) as fiat_secp256k1_scalar_u1));
-  let mut x4: u64 = 0;
-  let mut x5: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x4, &mut x5, 0x0, (!arg1), (0x1 as u64));
-  let mut x6: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x6, x3, arg1, x4);
-  let mut x7: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x7, x3, (arg2[0]), (arg3[0]));
-  let mut x8: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x8, x3, (arg2[1]), (arg3[1]));
-  let mut x9: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x9, x3, (arg2[2]), (arg3[2]));
-  let mut x10: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x10, x3, (arg2[3]), (arg3[3]));
-  let mut x11: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x11, x3, (arg2[4]), (arg3[4]));
-  let mut x12: u64 = 0;
-  let mut x13: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x12, &mut x13, 0x0, (0x1 as u64), (!(arg2[0])));
-  let mut x14: u64 = 0;
-  let mut x15: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x14, &mut x15, x13, (0x0 as u64), (!(arg2[1])));
-  let mut x16: u64 = 0;
-  let mut x17: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x16, &mut x17, x15, (0x0 as u64), (!(arg2[2])));
-  let mut x18: u64 = 0;
-  let mut x19: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x18, &mut x19, x17, (0x0 as u64), (!(arg2[3])));
-  let mut x20: u64 = 0;
-  let mut x21: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x20, &mut x21, x19, (0x0 as u64), (!(arg2[4])));
-  let mut x22: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x22, x3, (arg3[0]), x12);
-  let mut x23: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x23, x3, (arg3[1]), x14);
-  let mut x24: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x24, x3, (arg3[2]), x16);
-  let mut x25: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x25, x3, (arg3[3]), x18);
-  let mut x26: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x26, x3, (arg3[4]), x20);
-  let mut x27: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x27, x3, (arg4[0]), (arg5[0]));
-  let mut x28: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x28, x3, (arg4[1]), (arg5[1]));
-  let mut x29: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x29, x3, (arg4[2]), (arg5[2]));
-  let mut x30: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x30, x3, (arg4[3]), (arg5[3]));
-  let mut x31: u64 = 0;
-  let mut x32: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x31, &mut x32, 0x0, x27, x27);
-  let mut x33: u64 = 0;
-  let mut x34: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x33, &mut x34, x32, x28, x28);
-  let mut x35: u64 = 0;
-  let mut x36: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x35, &mut x36, x34, x29, x29);
-  let mut x37: u64 = 0;
-  let mut x38: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x37, &mut x38, x36, x30, x30);
-  let mut x39: u64 = 0;
-  let mut x40: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x39, &mut x40, 0x0, x31, 0xbfd25e8cd0364141);
-  let mut x41: u64 = 0;
-  let mut x42: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x41, &mut x42, x40, x33, 0xbaaedce6af48a03b);
-  let mut x43: u64 = 0;
-  let mut x44: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x43, &mut x44, x42, x35, 0xfffffffffffffffe);
-  let mut x45: u64 = 0;
-  let mut x46: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x45, &mut x46, x44, x37, 0xffffffffffffffff);
-  let mut x47: u64 = 0;
-  let mut x48: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x47, &mut x48, x46, (x38 as u64), (0x0 as u64));
-  let x49: u64 = (arg4[3]);
-  let x50: u64 = (arg4[2]);
-  let x51: u64 = (arg4[1]);
-  let x52: u64 = (arg4[0]);
-  let mut x53: u64 = 0;
-  let mut x54: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x53, &mut x54, 0x0, (0x0 as u64), x52);
-  let mut x55: u64 = 0;
-  let mut x56: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x55, &mut x56, x54, (0x0 as u64), x51);
-  let mut x57: u64 = 0;
-  let mut x58: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x57, &mut x58, x56, (0x0 as u64), x50);
-  let mut x59: u64 = 0;
-  let mut x60: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x59, &mut x60, x58, (0x0 as u64), x49);
-  let mut x61: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x61, x60, (0x0 as u64), 0xffffffffffffffff);
-  let mut x62: u64 = 0;
-  let mut x63: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x62, &mut x63, 0x0, x53, (x61 & 0xbfd25e8cd0364141));
-  let mut x64: u64 = 0;
-  let mut x65: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x64, &mut x65, x63, x55, (x61 & 0xbaaedce6af48a03b));
-  let mut x66: u64 = 0;
-  let mut x67: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x66, &mut x67, x65, x57, (x61 & 0xfffffffffffffffe));
-  let mut x68: u64 = 0;
-  let mut x69: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x68, &mut x69, x67, x59, x61);
-  let mut x70: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x70, x3, (arg5[0]), x62);
-  let mut x71: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x71, x3, (arg5[1]), x64);
-  let mut x72: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x72, x3, (arg5[2]), x66);
-  let mut x73: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x73, x3, (arg5[3]), x68);
-  let x74: fiat_secp256k1_scalar_u1 = ((x22 & (0x1 as u64)) as fiat_secp256k1_scalar_u1);
-  let mut x75: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x75, x74, (0x0 as u64), x7);
-  let mut x76: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x76, x74, (0x0 as u64), x8);
-  let mut x77: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x77, x74, (0x0 as u64), x9);
-  let mut x78: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x78, x74, (0x0 as u64), x10);
-  let mut x79: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x79, x74, (0x0 as u64), x11);
-  let mut x80: u64 = 0;
-  let mut x81: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x80, &mut x81, 0x0, x22, x75);
-  let mut x82: u64 = 0;
-  let mut x83: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x82, &mut x83, x81, x23, x76);
-  let mut x84: u64 = 0;
-  let mut x85: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x84, &mut x85, x83, x24, x77);
-  let mut x86: u64 = 0;
-  let mut x87: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x86, &mut x87, x85, x25, x78);
-  let mut x88: u64 = 0;
-  let mut x89: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x88, &mut x89, x87, x26, x79);
-  let mut x90: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x90, x74, (0x0 as u64), x27);
-  let mut x91: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x91, x74, (0x0 as u64), x28);
-  let mut x92: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x92, x74, (0x0 as u64), x29);
-  let mut x93: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x93, x74, (0x0 as u64), x30);
-  let mut x94: u64 = 0;
-  let mut x95: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x94, &mut x95, 0x0, x70, x90);
-  let mut x96: u64 = 0;
-  let mut x97: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x96, &mut x97, x95, x71, x91);
-  let mut x98: u64 = 0;
-  let mut x99: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x98, &mut x99, x97, x72, x92);
-  let mut x100: u64 = 0;
-  let mut x101: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x100, &mut x101, x99, x73, x93);
-  let mut x102: u64 = 0;
-  let mut x103: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x102, &mut x103, 0x0, x94, 0xbfd25e8cd0364141);
-  let mut x104: u64 = 0;
-  let mut x105: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x104, &mut x105, x103, x96, 0xbaaedce6af48a03b);
-  let mut x106: u64 = 0;
-  let mut x107: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x106, &mut x107, x105, x98, 0xfffffffffffffffe);
-  let mut x108: u64 = 0;
-  let mut x109: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x108, &mut x109, x107, x100, 0xffffffffffffffff);
-  let mut x110: u64 = 0;
-  let mut x111: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_subborrowx_u64(&mut x110, &mut x111, x109, (x101 as u64), (0x0 as u64));
-  let mut x112: u64 = 0;
-  let mut x113: fiat_secp256k1_scalar_u1 = 0;
-  fiat_secp256k1_scalar_addcarryx_u64(&mut x112, &mut x113, 0x0, x6, (0x1 as u64));
-  let x114: u64 = ((x80 >> 1) | ((x82 << 63) & 0xffffffffffffffff));
-  let x115: u64 = ((x82 >> 1) | ((x84 << 63) & 0xffffffffffffffff));
-  let x116: u64 = ((x84 >> 1) | ((x86 << 63) & 0xffffffffffffffff));
-  let x117: u64 = ((x86 >> 1) | ((x88 << 63) & 0xffffffffffffffff));
-  let x118: u64 = ((x88 & 0x8000000000000000) | (x88 >> 1));
-  let mut x119: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x119, x48, x39, x31);
-  let mut x120: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x120, x48, x41, x33);
-  let mut x121: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x121, x48, x43, x35);
-  let mut x122: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x122, x48, x45, x37);
-  let mut x123: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x123, x111, x102, x94);
-  let mut x124: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x124, x111, x104, x96);
-  let mut x125: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x125, x111, x106, x98);
-  let mut x126: u64 = 0;
-  fiat_secp256k1_scalar_cmovznz_u64(&mut x126, x111, x108, x100);
-  *out1 = x112;
-  out2[0] = x7;
-  out2[1] = x8;
-  out2[2] = x9;
-  out2[3] = x10;
-  out2[4] = x11;
-  out3[0] = x114;
-  out3[1] = x115;
-  out3[2] = x116;
-  out3[3] = x117;
-  out3[4] = x118;
-  out4[0] = x119;
-  out4[1] = x120;
-  out4[2] = x121;
-  out4[3] = x122;
-  out5[0] = x123;
-  out5[1] = x124;
-  out5[2] = x125;
-  out5[3] = x126;
-}
-
-/// The function fiat_secp256k1_scalar_divstep_precomp returns the precomputed value for Bernstein-Yang-inversion (in montgomery form).
-///
-/// Postconditions:
-///   eval (from_montgomery out1) = ⌊(m - 1) / 2⌋^(if ⌊log2 m⌋ + 1 < 46 then ⌊(49 * (⌊log2 m⌋ + 1) + 80) / 17⌋ else ⌊(49 * (⌊log2 m⌋ + 1) + 57) / 17⌋)
-///   0 ≤ eval out1 < m
-///
-/// Output Bounds:
-///   out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]
-#[inline]
-pub fn fiat_secp256k1_scalar_divstep_precomp(out1: &mut [u64; 4]) -> () {
-  out1[0] = 0xd7431a4d2b9cb4e9;
-  out1[1] = 0xab67d35a32d9c503;
-  out1[2] = 0xadf6c7e5859ce35f;
-  out1[3] = 0x615441451df6c379;
-}
author	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-05-18 02:49:50 +0000
committer	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-05-18 02:49:50 +0000
commit	9835e2ae736235810b4ea1c162ca5e65c547e770 (patch)
tree	3fcebf40ed70e581d776a8a4c65923e8ec20e026 /vendor/fiat-crypto/src
parent	Releasing progress-linux version 1.70.0+dfsg2-1~progress7.99u1. (diff)
download	rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.tar.xz rustc-9835e2ae736235810b4ea1c162ca5e65c547e770.zip