user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

convert _mm_maskz_shufflehi_epi16 to const generics

Browse source
This commit is contained in:
Rémy Rakic 2021-03-05 00:54:29 +01:00 • committed by Amanieu d'Antras
parent 3723bb21b0
commit e12b3b791a
1 changed files with 7 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

18
library/stdarch/crates/core_arch/src/x86/avx512bw.rs
View file

@ -7424,15 +7424,11 @@ pub unsafe fn _mm_mask_shufflehi_epi16<const IMM8: i32>(
/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_maskz_shufflehi_epi16&expand=5205)
#[inline]
#[target_feature(enable = "avx512bw,avx512vl")]
#[cfg_attr(test, assert_instr(vpshufhw, imm8 = 5))]
#[rustc_args_required_const(2)]
pub unsafe fn _mm_maskz_shufflehi_epi16(k: __mmask8, a: __m128i, imm8: i32) -> __m128i {
macro_rules! call {
($imm8:expr) => {
_mm_shufflehi_epi16::<$imm8>(a)
};
}
let shuffle = constify_imm8_sae!(imm8, call);
#[cfg_attr(test, assert_instr(vpshufhw, IMM8 = 5))]
#[rustc_legacy_const_generics(2)]
pub unsafe fn _mm_maskz_shufflehi_epi16<const IMM8: i32>(k: __mmask8, a: __m128i) -> __m128i {
static_assert_imm8!(IMM8);
let shuffle = _mm_shufflehi_epi16::<IMM8>(a);
let zero = _mm_setzero_si128().as_i16x8();
transmute(simd_select_bitmask(k, shuffle.as_i16x8(), zero))
}
@ -16446,9 +16442,9 @@ mod tests {
#[simd_test(enable = "avx512bw,avx512vl")]
unsafe fn test_mm_maskz_shufflehi_epi16() {
let a = _mm_set_epi16(0, 1, 2, 3, 4, 5, 6, 7);
let r = _mm_maskz_shufflehi_epi16(0, a, 0b00_01_01_11);
let r = _mm_maskz_shufflehi_epi16::<0b00_01_01_11>(0, a);
assert_eq_m128i(r, _mm_setzero_si128());
let r = _mm_maskz_shufflehi_epi16(0b11111111, a, 0b00_01_01_11);
let r = _mm_maskz_shufflehi_epi16::<0b00_01_01_11>(0b11111111, a);
let e = _mm_set_epi16(3, 2, 2, 0, 4, 5, 6, 7);
assert_eq_m128i(r, e);
}