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convert _mm256_maskz_dbsad_epu8 to const generics

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Rémy Rakic 2021-03-05 01:00:10 +01:00 • committed by Amanieu d'Antras
parent a1f9b6b848
commit d82cd27698
1 changed files with 7 additions and 11 deletions
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18
library/stdarch/crates/core_arch/src/x86/avx512bw.rs
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@ -7958,17 +7958,13 @@ pub unsafe fn _mm256_mask_dbsad_epu8<const IMM8: i32>(
/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_maskz_dbsad_epu8&expand=2113)
#[inline]
#[target_feature(enable = "avx512bw,avx512vl")]
#[rustc_args_required_const(3)]
#[cfg_attr(test, assert_instr(vdbpsadbw, imm8 = 0))]
pub unsafe fn _mm256_maskz_dbsad_epu8(k: __mmask16, a: __m256i, b: __m256i, imm8: i32) -> __m256i {
#[rustc_legacy_const_generics(3)]
#[cfg_attr(test, assert_instr(vdbpsadbw, IMM8 = 0))]
pub unsafe fn _mm256_maskz_dbsad_epu8<const IMM8: i32>(k: __mmask16, a: __m256i, b: __m256i) -> __m256i {
static_assert_imm8!(IMM8);
let a = a.as_u8x32();
let b = b.as_u8x32();
macro_rules! call {
($imm8:expr) => {
vdbpsadbw256(a, b, $imm8)
};
}
let r = constify_imm8_sae!(imm8, call);
let r = vdbpsadbw256(a, b, IMM8);
transmute(simd_select_bitmask(
k,
r,
@ -16905,9 +16901,9 @@ mod tests {
unsafe fn test_mm256_maskz_dbsad_epu8() {
let a = _mm256_set1_epi8(2);
let b = _mm256_set1_epi8(4);
let r = _mm256_maskz_dbsad_epu8(0, a, b, 0);
let r = _mm256_maskz_dbsad_epu8::<0>(0, a, b);
assert_eq_m256i(r, _mm256_setzero_si256());
let r = _mm256_maskz_dbsad_epu8(0b11111111_11111111, a, b, 0);
let r = _mm256_maskz_dbsad_epu8::<0>(0b11111111_11111111, a, b);
let e = _mm256_set1_epi16(8);
assert_eq_m256i(r, e);
}