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convert _mm512_maskz_slli_epi16 to const generics

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Rémy Rakic 2021-03-04 23:28:48 +01:00 • committed by Amanieu d'Antras
parent e0ae8757bf
commit b7f07af549
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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@ -5040,16 +5040,12 @@ pub unsafe fn _mm512_mask_slli_epi16<const IMM8: u32>(
/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm512_maskz_slli_epi16&expand=5300)
#[inline]
#[target_feature(enable = "avx512bw")]
#[cfg_attr(test, assert_instr(vpsllw, imm8 = 5))]
#[rustc_args_required_const(2)]
pub unsafe fn _mm512_maskz_slli_epi16(k: __mmask32, a: __m512i, imm8: u32) -> __m512i {
#[cfg_attr(test, assert_instr(vpsllw, IMM8 = 5))]
#[rustc_legacy_const_generics(2)]
pub unsafe fn _mm512_maskz_slli_epi16<const IMM8: u32>(k: __mmask32, a: __m512i) -> __m512i {
static_assert_imm_u8!(IMM8);
let a = a.as_i16x32();
macro_rules! call {
($imm8:expr) => {
vpslliw(a, $imm8)
};
}
let shf = constify_imm8_sae!(imm8, call);
let shf = vpslliw(a, IMM8);
let zero = _mm512_setzero_si512().as_i16x32();
transmute(simd_select_bitmask(k, shf, zero))
}
@ -14490,9 +14486,9 @@ mod tests {
#[simd_test(enable = "avx512bw")]
unsafe fn test_mm512_maskz_slli_epi16() {
let a = _mm512_set1_epi16(1 << 15);
let r = _mm512_maskz_slli_epi16(0, a, 1);
let r = _mm512_maskz_slli_epi16::<1>(0, a);
assert_eq_m512i(r, _mm512_setzero_si512());
let r = _mm512_maskz_slli_epi16(0b11111111_11111111_11111111_11111111, a, 1);
let r = _mm512_maskz_slli_epi16::<1>(0b11111111_11111111_11111111_11111111, a);
let e = _mm512_set1_epi16(0);
assert_eq_m512i(r, e);
}