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Change remaining _undefined_ functions to zero-init

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Ben Kimock
2022-03-24 18:43:10 -04:00
committed by Amanieu d'Antras
parent 626654b486
commit 945ccb4c3f
2 changed files with 3 additions and 6 deletions
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3
library/stdarch/crates/core_arch/src/x86/avx.rs
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@@ -2719,8 +2719,7 @@ pub unsafe fn _mm256_undefined_pd() -> __m256d {
// This intrinsic has no corresponding instruction. // This intrinsic has no corresponding instruction.
#[stable(feature = "simd_x86", since = "1.27.0")] #[stable(feature = "simd_x86", since = "1.27.0")]
pub unsafe fn _mm256_undefined_si256() -> __m256i { pub unsafe fn _mm256_undefined_si256() -> __m256i {
// FIXME: this function should return MaybeUninit<__m256i> __m256i(0, 0, 0, 0)
mem::MaybeUninit::<__m256i>::uninit().assume_init()
} }
/// Sets packed __m256 returned vector with the supplied values. /// Sets packed __m256 returned vector with the supplied values.

6
library/stdarch/crates/core_arch/src/x86/sse2.rs
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@@ -2736,8 +2736,7 @@ pub unsafe fn _mm_castsi128_ps(a: __m128i) -> __m128 {
#[target_feature(enable = "sse2")] #[target_feature(enable = "sse2")]
#[stable(feature = "simd_x86", since = "1.27.0")] #[stable(feature = "simd_x86", since = "1.27.0")]
pub unsafe fn _mm_undefined_pd() -> __m128d { pub unsafe fn _mm_undefined_pd() -> __m128d {
// FIXME: this function should return MaybeUninit<__m128d> __m128d(0.0, 0.0)
mem::MaybeUninit::<__m128d>::uninit().assume_init()
} }
/// Returns vector of type __m128i with undefined elements. /// Returns vector of type __m128i with undefined elements.
@@ -2747,8 +2746,7 @@ pub unsafe fn _mm_undefined_pd() -> __m128d {
#[target_feature(enable = "sse2")] #[target_feature(enable = "sse2")]
#[stable(feature = "simd_x86", since = "1.27.0")] #[stable(feature = "simd_x86", since = "1.27.0")]
pub unsafe fn _mm_undefined_si128() -> __m128i { pub unsafe fn _mm_undefined_si128() -> __m128i {
// FIXME: this function should return MaybeUninit<__m128i> __m128i(0, 0)
mem::MaybeUninit::<__m128i>::uninit().assume_init()
} }
/// The resulting `__m128d` element is composed by the low-order values of /// The resulting `__m128d` element is composed by the low-order values of