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convert _mm_mask_cmp_epu8_mask to const generics

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Rémy Rakic 2021-03-04 22:38:29 +01:00 • committed by Amanieu d'Antras
parent 99ab63ab86
commit 4af10e89a4
1 changed files with 6 additions and 11 deletions
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17
library/stdarch/crates/core_arch/src/x86/avx512bw.rs
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@ -3884,22 +3884,17 @@ pub unsafe fn _mm_cmp_epu8_mask<const IMM8: i32>(a: __m128i, b: __m128i) -> __mm
/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_mask_cmp_epu8_mask&expand=730)
#[inline]
#[target_feature(enable = "avx512bw,avx512vl")]
#[rustc_args_required_const(3)]
#[cfg_attr(test, assert_instr(vpcmp, imm8 = 0))]
pub unsafe fn _mm_mask_cmp_epu8_mask(
#[rustc_legacy_const_generics(3)]
#[cfg_attr(test, assert_instr(vpcmp, IMM8 = 0))]
pub unsafe fn _mm_mask_cmp_epu8_mask<const IMM8: i32>(
k1: __mmask16,
a: __m128i,
b: __m128i,
imm8: i32,
) -> __mmask16 {
static_assert_imm3!(IMM8);
let a = a.as_u8x16();
let b = b.as_u8x16();
macro_rules! call {
($imm3:expr) => {
vpcmpub128(a, b, $imm3, k1)
};
}
let r = constify_imm3!(imm8, call);
let r = vpcmpub128(a, b, IMM8, k1);
transmute(r)
}
@ -13512,7 +13507,7 @@ mod tests {
let a = _mm_set1_epi8(0);
let b = _mm_set1_epi8(1);
let mask = 0b01010101_01010101;
let r = _mm_mask_cmp_epu8_mask(mask, a, b, _MM_CMPINT_LT);
let r = _mm_mask_cmp_epu8_mask::<_MM_CMPINT_LT>(mask, a, b);
assert_eq!(r, 0b01010101_01010101);
}