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convert _mm256_mask_cmp_epi16_mask to const generics

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Rémy Rakic
2021-03-04 22:42:46 +01:00
committed by Amanieu d'Antras
parent 76b1ca727e
commit d00b448dad
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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@@ -3952,22 +3952,17 @@ pub unsafe fn _mm256_cmp_epi16_mask<const IMM8: i32>(a: __m256i, b: __m256i) ->
/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm256_mask_cmp_epi16_mask&expand=690)
#[inline]
#[target_feature(enable = "avx512bw,avx512vl")]
#[rustc_args_required_const(3)]
#[cfg_attr(test, assert_instr(vpcmp, imm8 = 0))]
pub unsafe fn _mm256_mask_cmp_epi16_mask(
#[rustc_legacy_const_generics(3)]
#[cfg_attr(test, assert_instr(vpcmp, IMM8 = 0))]
pub unsafe fn _mm256_mask_cmp_epi16_mask<const IMM8: i32>(
k1: __mmask16,
a: __m256i,
b: __m256i,
imm8: i32,
) -> __mmask16 {
static_assert_imm3!(IMM8);
let a = a.as_i16x16();
let b = b.as_i16x16();
macro_rules! call {
($imm3:expr) => {
vpcmpw256(a, b, $imm3, k1)
};
}
let r = constify_imm3!(imm8, call);
let r = vpcmpw256(a, b, IMM8, k1);
transmute(r)
}
@@ -13528,7 +13523,7 @@ mod tests {
let a = _mm256_set1_epi16(0);
let b = _mm256_set1_epi16(1);
let mask = 0b01010101_01010101;
let r = _mm256_mask_cmp_epi16_mask(mask, a, b, _MM_CMPINT_LT);
let r = _mm256_mask_cmp_epi16_mask::<_MM_CMPINT_LT>(mask, a, b);
assert_eq!(r, 0b01010101_01010101);
}