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-rw-r--r--third_party/rust/packed_simd/src/api/select.rs73
1 files changed, 0 insertions, 73 deletions
diff --git a/third_party/rust/packed_simd/src/api/select.rs b/third_party/rust/packed_simd/src/api/select.rs
deleted file mode 100644
index daf6294721..0000000000
--- a/third_party/rust/packed_simd/src/api/select.rs
+++ /dev/null
@@ -1,73 +0,0 @@
-//! Implements mask's `select`.
-
-/// Implements mask select method
-macro_rules! impl_select {
- ([$elem_ty:ident; $elem_count:expr]: $id:ident | $test_tt:tt) => {
- impl $id {
- /// Selects elements of `a` and `b` using mask.
- ///
- /// The lanes of the result for which the mask is `true` contain
- /// the values of `a`. The remaining lanes contain the values of
- /// `b`.
- #[inline]
- pub fn select<T>(self, a: Simd<T>, b: Simd<T>) -> Simd<T>
- where
- T: sealed::SimdArray<NT = <[$elem_ty; $elem_count] as sealed::SimdArray>::NT>,
- {
- use crate::llvm::simd_select;
- Simd(unsafe { simd_select(self.0, a.0, b.0) })
- }
- }
-
- test_select!(bool, $id, $id, (false, true) | $test_tt);
- };
-}
-
-macro_rules! test_select {
- (
- $elem_ty:ident,
- $mask_ty:ident,
- $vec_ty:ident,($small:expr, $large:expr) |
- $test_tt:tt
- ) => {
- test_if! {
- $test_tt:
- paste::item! {
- pub mod [<$vec_ty _select>] {
- use super::*;
-
- #[cfg_attr(not(target_arch = "wasm32"), test)] #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
- fn select() {
- let o = $small as $elem_ty;
- let t = $large as $elem_ty;
-
- let a = $vec_ty::splat(o);
- let b = $vec_ty::splat(t);
- let m = a.lt(b);
- assert_eq!(m.select(a, b), a);
-
- let m = b.lt(a);
- assert_eq!(m.select(b, a), a);
-
- let mut c = a;
- let mut d = b;
- let mut m_e = $mask_ty::splat(false);
- for i in 0..$vec_ty::lanes() {
- if i % 2 == 0 {
- let c_tmp = c.extract(i);
- c = c.replace(i, d.extract(i));
- d = d.replace(i, c_tmp);
- } else {
- m_e = m_e.replace(i, true);
- }
- }
-
- let m = c.lt(d);
- assert_eq!(m_e, m);
- assert_eq!(m.select(c, d), a);
- }
- }
- }
- }
- };
-}