Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 210 insertions, 0 deletions

diff --git a/src/test/assembly/asm/riscv-types.rs b/src/test/assembly/asm/riscv-types.rs
new file mode 100644
index 000000000..68dc186ea
--- /dev/null
+++ b/src/test/assembly/asm/riscv-types.rs
@@ -0,0 +1,210 @@
+// revisions: riscv64 riscv32
+// assembly-output: emit-asm
+//[riscv64] compile-flags: --target riscv64imac-unknown-none-elf
+//[riscv64] needs-llvm-components: riscv
+//[riscv32] compile-flags: --target riscv32imac-unknown-none-elf
+//[riscv32] needs-llvm-components: riscv
+// compile-flags: -C target-feature=+d
+
+#![feature(no_core, lang_items, rustc_attrs, asm_sym)]
+#![crate_type = "rlib"]
+#![no_core]
+#![allow(asm_sub_register)]
+
+#[rustc_builtin_macro]
+macro_rules! asm {
+    () => {};
+}
+#[rustc_builtin_macro]
+macro_rules! concat {
+    () => {};
+}
+#[rustc_builtin_macro]
+macro_rules! stringify {
+    () => {};
+}
+
+#[lang = "sized"]
+trait Sized {}
+#[lang = "copy"]
+trait Copy {}
+
+type ptr = *mut u8;
+
+impl Copy for i8 {}
+impl Copy for i16 {}
+impl Copy for i32 {}
+impl Copy for f32 {}
+impl Copy for i64 {}
+impl Copy for f64 {}
+impl Copy for ptr {}
+
+extern "C" {
+    fn extern_func();
+    static extern_static: u8;
+}
+
+// CHECK-LABEL: sym_fn:
+// CHECK: #APP
+// CHECK: call extern_func
+// CHECK: #NO_APP
+#[no_mangle]
+pub unsafe fn sym_fn() {
+    asm!("call {}", sym extern_func);
+}
+
+// CHECK-LABEL: sym_static:
+// CHECK: #APP
+// CHECK: auipc t0, %pcrel_hi(extern_static)
+// CHECK: lb t0, %pcrel_lo(.Lpcrel_hi{{[0-9]+}})(t0)
+// CHECK: #NO_APP
+#[no_mangle]
+pub unsafe fn sym_static() {
+    asm!("lb t0, {}", sym extern_static);
+}
+
+macro_rules! check {
+    ($func:ident $ty:ident $class:ident $mov:literal) => {
+        #[no_mangle]
+        pub unsafe fn $func(x: $ty) -> $ty {
+            // Hack to avoid function merging
+            extern "Rust" {
+                fn dont_merge(s: &str);
+            }
+            dont_merge(stringify!($func));
+
+            let y;
+            asm!(concat!($mov, " {}, {}"), out($class) y, in($class) x);
+            y
+        }
+    };
+}
+
+macro_rules! check_reg {
+    ($func:ident $ty:ident $reg:tt $mov:literal) => {
+        #[no_mangle]
+        pub unsafe fn $func(x: $ty) -> $ty {
+            // Hack to avoid function merging
+            extern "Rust" {
+                fn dont_merge(s: &str);
+            }
+            dont_merge(stringify!($func));
+
+            let y;
+            asm!(concat!($mov, " ", $reg, ", ", $reg), lateout($reg) y, in($reg) x);
+            y
+        }
+    };
+}
+
+// CHECK-LABEL: reg_i8:
+// CHECK: #APP
+// CHECK: mv {{[a-z0-9]+}}, {{[a-z0-9]+}}
+// CHECK: #NO_APP
+check!(reg_i8 i8 reg "mv");
+
+// CHECK-LABEL: reg_i16:
+// CHECK: #APP
+// CHECK: mv {{[a-z0-9]+}}, {{[a-z0-9]+}}
+// CHECK: #NO_APP
+check!(reg_i16 i16 reg "mv");
+
+// CHECK-LABEL: reg_i32:
+// CHECK: #APP
+// CHECK: mv {{[a-z0-9]+}}, {{[a-z0-9]+}}
+// CHECK: #NO_APP
+check!(reg_i32 i32 reg "mv");
+
+// CHECK-LABEL: reg_f32:
+// CHECK: #APP
+// CHECK: mv {{[a-z0-9]+}}, {{[a-z0-9]+}}
+// CHECK: #NO_APP
+check!(reg_f32 f32 reg "mv");
+
+// riscv64-LABEL: reg_i64:
+// riscv64: #APP
+// riscv64: mv {{[a-z0-9]+}}, {{[a-z0-9]+}}
+// riscv64: #NO_APP
+#[cfg(riscv64)]
+check!(reg_i64 i64 reg "mv");
+
+// riscv64-LABEL: reg_f64:
+// riscv64: #APP
+// riscv64: mv {{[a-z0-9]+}}, {{[a-z0-9]+}}
+// riscv64: #NO_APP
+#[cfg(riscv64)]
+check!(reg_f64 f64 reg "mv");
+
+// CHECK-LABEL: reg_ptr:
+// CHECK: #APP
+// CHECK: mv {{[a-z0-9]+}}, {{[a-z0-9]+}}
+// CHECK: #NO_APP
+check!(reg_ptr ptr reg "mv");
+
+// CHECK-LABEL: freg_f32:
+// CHECK: #APP
+// CHECK: fmv.s f{{[a-z0-9]+}}, f{{[a-z0-9]+}}
+// CHECK: #NO_APP
+check!(freg_f32 f32 freg "fmv.s");
+
+// CHECK-LABEL: freg_f64:
+// CHECK: #APP
+// CHECK: fmv.d f{{[a-z0-9]+}}, f{{[a-z0-9]+}}
+// CHECK: #NO_APP
+check!(freg_f64 f64 freg "fmv.d");
+
+// CHECK-LABEL: a0_i8:
+// CHECK: #APP
+// CHECK: mv a0, a0
+// CHECK: #NO_APP
+check_reg!(a0_i8 i8 "a0" "mv");
+
+// CHECK-LABEL: a0_i16:
+// CHECK: #APP
+// CHECK: mv a0, a0
+// CHECK: #NO_APP
+check_reg!(a0_i16 i16 "a0" "mv");
+
+// CHECK-LABEL: a0_i32:
+// CHECK: #APP
+// CHECK: mv a0, a0
+// CHECK: #NO_APP
+check_reg!(a0_i32 i32 "a0" "mv");
+
+// CHECK-LABEL: a0_f32:
+// CHECK: #APP
+// CHECK: mv a0, a0
+// CHECK: #NO_APP
+check_reg!(a0_f32 f32 "a0" "mv");
+
+// riscv64-LABEL: a0_i64:
+// riscv64: #APP
+// riscv64: mv a0, a0
+// riscv64: #NO_APP
+#[cfg(riscv64)]
+check_reg!(a0_i64 i64 "a0" "mv");
+
+// riscv64-LABEL: a0_f64:
+// riscv64: #APP
+// riscv64: mv a0, a0
+// riscv64: #NO_APP
+#[cfg(riscv64)]
+check_reg!(a0_f64 f64 "a0" "mv");
+
+// CHECK-LABEL: a0_ptr:
+// CHECK: #APP
+// CHECK: mv a0, a0
+// CHECK: #NO_APP
+check_reg!(a0_ptr ptr "a0" "mv");
+
+// CHECK-LABEL: fa0_f32:
+// CHECK: #APP
+// CHECK: fmv.s fa0, fa0
+// CHECK: #NO_APP
+check_reg!(fa0_f32 f32 "fa0" "fmv.s");
+
+// CHECK-LABEL: fa0_f64:
+// CHECK: #APP
+// CHECK: fmv.d fa0, fa0
+// CHECK: #NO_APP
+check_reg!(fa0_f64 f64 "fa0" "fmv.d");