From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/codegen/sse42-implies-crc32.rs | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 tests/codegen/sse42-implies-crc32.rs (limited to 'tests/codegen/sse42-implies-crc32.rs') diff --git a/tests/codegen/sse42-implies-crc32.rs b/tests/codegen/sse42-implies-crc32.rs new file mode 100644 index 000000000..47b1a8993 --- /dev/null +++ b/tests/codegen/sse42-implies-crc32.rs @@ -0,0 +1,16 @@ +// only-x86_64 +// min-llvm-version: 14.0 +// 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"}} -- cgit v1.2.3