Convert _mm_cmp_pd to const generics and fix imm width

This commit is contained in:
Rémy Rakic 2021-03-01 20:55:40 +01:00 committed by Amanieu d'Antras
parent 33937e8ef7
commit b41577b7d8

View file

@ -792,16 +792,12 @@ pub const _CMP_TRUE_US: i32 = 0x1f;
/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmp_pd)
#[inline]
#[target_feature(enable = "avx,sse2")]
#[cfg_attr(test, assert_instr(vcmpeqpd, imm8 = 0))] // TODO Validate vcmppd
#[rustc_args_required_const(2)]
#[cfg_attr(test, assert_instr(vcmpeqpd, IMM8 = 0))] // TODO Validate vcmppd
#[rustc_legacy_const_generics(2)]
#[stable(feature = "simd_x86", since = "1.27.0")]
pub unsafe fn _mm_cmp_pd(a: __m128d, b: __m128d, imm8: i32) -> __m128d {
macro_rules! call {
($imm8:expr) => {
vcmppd(a, b, $imm8)
};
}
constify_imm6!(imm8, call)
pub unsafe fn _mm_cmp_pd<const IMM8: i32>(a: __m128d, b: __m128d) -> __m128d {
static_assert_imm5!(IMM8);
vcmppd(a, b, IMM8 as i8)
}
/// Compares packed double-precision (64-bit) floating-point
@ -3635,7 +3631,7 @@ mod tests {
unsafe fn test_mm_cmp_pd() {
let a = _mm_setr_pd(4., 9.);
let b = _mm_setr_pd(4., 3.);
let r = _mm_cmp_pd(a, b, _CMP_GE_OS);
let r = _mm_cmp_pd::<_CMP_GE_OS>(a, b);
assert!(get_m128d(r, 0).is_nan());
assert!(get_m128d(r, 1).is_nan());
}