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convert _mm512_srai_epi16 to const generics

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This commit is contained in:
Rémy Rakic
2021-03-05 00:32:19 +01:00
committed by Amanieu d'Antras
parent dabaca41ca
commit fda297656b
1 changed files with 6 additions and 10 deletions
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16
library/stdarch/crates/core_arch/src/x86/avx512bw.rs
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@@ -5641,16 +5641,12 @@ pub unsafe fn _mm_maskz_sra_epi16(k: __mmask8, a: __m128i, count: __m128i) -> __
/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm512_srai_epi16&expand=5427)
#[inline]
#[target_feature(enable = "avx512bw")]
#[cfg_attr(test, assert_instr(vpsraw, imm8 = 1))]
#[rustc_args_required_const(1)]
pub unsafe fn _mm512_srai_epi16(a: __m512i, imm8: u32) -> __m512i {
#[cfg_attr(test, assert_instr(vpsraw, IMM8 = 1))]
#[rustc_legacy_const_generics(1)]
pub unsafe fn _mm512_srai_epi16<const IMM8: u32>(a: __m512i) -> __m512i {
static_assert_imm_u8!(IMM8);
let a = a.as_i16x32();
macro_rules! call {
($imm8:expr) => {
vpsraiw(a, $imm8)
};
}
let r = constify_imm8_sae!(imm8, call);
let r = vpsraiw(a, IMM8);
transmute(r)
}
@@ -14924,7 +14920,7 @@ mod tests {
#[simd_test(enable = "avx512bw")]
unsafe fn test_mm512_srai_epi16() {
let a = _mm512_set1_epi16(8);
let r = _mm512_srai_epi16(a, 2);
let r = _mm512_srai_epi16::<2>(a);
let e = _mm512_set1_epi16(2);
assert_eq_m512i(r, e);
}