diff options
Diffstat (limited to 'tests/assembly/x86_64-sse_crc.rs')
| -rw-r--r-- | tests/assembly/x86_64-sse_crc.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/assembly/x86_64-sse_crc.rs b/tests/assembly/x86_64-sse_crc.rs new file mode 100644 index 000000000..cdbf057b8 --- /dev/null +++ b/tests/assembly/x86_64-sse_crc.rs @@ -0,0 +1,12 @@ +// only-x86_64 +// assembly-output: emit-asm +// compile-flags: --crate-type staticlib -Ctarget-feature=+sse4.2 + +// CHECK-LABEL: banana +// CHECK: crc32 +#[no_mangle] +pub unsafe fn banana(v: u8) -> u32 { + use std::arch::x86_64::*; + let out = !0u32; + _mm_crc32_u8(out, v) +} |