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| author | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-21 14:34:12 +0200 |
|---|---|---|
| committer | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-22 14:28:48 +0200 |
| commit | a27f3e3fd1e4d16160f8885b6b06665b5319f56c (patch) | |
| tree | b033935392cbadf6f85d2dbddf433a88e323aeeb /tests/codegen-llvm/sse42-implies-crc32.rs | |
| parent | ed93c1783b404d728d4809973a0550eb33cd293f (diff) | |
| download | rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.tar.gz rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.zip | |
Rename `tests/codegen` into `tests/codegen-llvm`
Diffstat (limited to 'tests/codegen-llvm/sse42-implies-crc32.rs')
| -rw-r--r-- | tests/codegen-llvm/sse42-implies-crc32.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/codegen-llvm/sse42-implies-crc32.rs b/tests/codegen-llvm/sse42-implies-crc32.rs new file mode 100644 index 00000000000..8a9c496a3a5 --- /dev/null +++ b/tests/codegen-llvm/sse42-implies-crc32.rs @@ -0,0 +1,15 @@ +//@ only-x86_64 +//@ compile-flags: -Copt-level=3 + +#![crate_type = "lib"] + +#[cfg(target_arch = "x86_64")] +#[target_feature(enable = "sse4.2")] +#[no_mangle] +pub unsafe fn crc32sse(v: u8) -> u32 { + use std::arch::x86_64::*; + let out = !0u32; + _mm_crc32_u8(out, v) +} + +// CHECK: attributes #0 {{.*"target-features"=".*\+sse4.2,\+crc32.*"}} |