convert _mm_maskz_dbsad_epu8 to const generics

This commit is contained in:
Rémy Rakic 2021-03-05 01:02:34 +01:00 committed by Amanieu d'Antras
parent d3bd341a77
commit 4b9a812619

View file

@ -8016,17 +8016,17 @@ pub unsafe fn _mm_mask_dbsad_epu8<const IMM8: i32>(
/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_maskz_dbsad_epu8&expand=2110)
#[inline]
#[target_feature(enable = "avx512bw,avx512vl")]
#[rustc_args_required_const(3)]
#[cfg_attr(test, assert_instr(vdbpsadbw, imm8 = 0))]
pub unsafe fn _mm_maskz_dbsad_epu8(k: __mmask8, a: __m128i, b: __m128i, imm8: i32) -> __m128i {
#[rustc_legacy_const_generics(3)]
#[cfg_attr(test, assert_instr(vdbpsadbw, IMM8 = 0))]
pub unsafe fn _mm_maskz_dbsad_epu8<const IMM8: i32>(
k: __mmask8,
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(simd_select_bitmask(k, r, _mm_setzero_si128().as_u16x8()))
}
@ -16928,9 +16928,9 @@ mod tests {
unsafe fn test_mm_maskz_dbsad_epu8() {
let a = _mm_set1_epi8(2);
let b = _mm_set1_epi8(4);
let r = _mm_maskz_dbsad_epu8(0, a, b, 0);
let r = _mm_maskz_dbsad_epu8::<0>(0, a, b);
assert_eq_m128i(r, _mm_setzero_si128());
let r = _mm_maskz_dbsad_epu8(0b11111111, a, b, 0);
let r = _mm_maskz_dbsad_epu8::<0>(0b11111111, a, b);
let e = _mm_set1_epi16(8);
assert_eq_m128i(r, e);
}