| //@ 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) | |
| } |