13 lines
281 B
Rust
13 lines
281 B
Rust
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//@ only-x86_64
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//@ assembly-output: emit-asm
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//@ compile-flags: --crate-type staticlib -Ctarget-feature=+sse4.2
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// CHECK-LABEL: banana
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// CHECK: crc32
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#[no_mangle]
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pub unsafe fn banana(v: u8) -> u32 {
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use std::arch::x86_64::*;
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let out = !0u32;
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_mm_crc32_u8(out, v)
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}
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