convert _mm_dbsad_epu8 to const generics

This commit is contained in:
Rémy Rakic 2021-03-05 01:00:51 +01:00 committed by Amanieu d'Antras
parent d82cd27698
commit 2054655ac4

View file

@ -7960,7 +7960,11 @@ pub unsafe fn _mm256_mask_dbsad_epu8<const IMM8: i32>(
#[target_feature(enable = "avx512bw,avx512vl")]
#[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 {
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();
@ -7977,17 +7981,13 @@ pub unsafe fn _mm256_maskz_dbsad_epu8<const IMM8: i32>(k: __mmask16, a: __m256i,
/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_dbsad_epu8&expand=2108)
#[inline]
#[target_feature(enable = "avx512bw,avx512vl")]
#[rustc_args_required_const(2)]
#[cfg_attr(test, assert_instr(vdbpsadbw, imm8 = 0))]
pub unsafe fn _mm_dbsad_epu8(a: __m128i, b: __m128i, imm8: i32) -> __m128i {
#[rustc_legacy_const_generics(2)]
#[cfg_attr(test, assert_instr(vdbpsadbw, IMM8 = 0))]
pub unsafe fn _mm_dbsad_epu8<const IMM8: i32>(a: __m128i, b: __m128i) -> __m128i {
static_assert_imm8!(IMM8);
let a = a.as_u8x16();
let b = b.as_u8x16();
macro_rules! call {
($imm8:expr) => {
vdbpsadbw128(a, b, $imm8)
};
}
let r = constify_imm8_sae!(imm8, call);
let r = vdbpsadbw128(a, b, IMM8);
transmute(r)
}
@ -16912,7 +16912,7 @@ mod tests {
unsafe fn test_mm_dbsad_epu8() {
let a = _mm_set1_epi8(2);
let b = _mm_set1_epi8(4);
let r = _mm_dbsad_epu8(a, b, 0);
let r = _mm_dbsad_epu8::<0>(a, b);
let e = _mm_set1_epi16(8);
assert_eq_m128i(r, e);
}