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Reimplement _mm_movemask_ps and _mm_movemask_pd without LLVM intrinsics

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Eduardo Sánchez Muñoz 2023-10-04 20:34:31 +02:00 • committed by Amanieu d'Antras
parent 5c20a68339
commit b886dade6f
2 changed files with 2 additions and 6 deletions
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4
library/stdarch/crates/core_arch/src/x86/sse.rs
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@ -1081,7 +1081,7 @@ pub unsafe fn _mm_movelh_ps(a: __m128, b: __m128) -> __m128 {
#[cfg_attr(test, assert_instr(movmskps))]
#[stable(feature = "simd_x86", since = "1.27.0")]
pub unsafe fn _mm_movemask_ps(a: __m128) -> i32 {
movmskps(a)
simd_bitmask::<u32x4, u8>(transmute(a)).into()
}
/// Construct a `__m128` with the lowest element read from `p` and the other
@ -1885,8 +1885,6 @@ extern "C" {
fn maxss(a: __m128, b: __m128) -> __m128;
#[link_name = "llvm.x86.sse.max.ps"]
fn maxps(a: __m128, b: __m128) -> __m128;
#[link_name = "llvm.x86.sse.movmsk.ps"]
fn movmskps(a: __m128) -> i32;
#[link_name = "llvm.x86.sse.cmp.ps"]
fn cmpps(a: __m128, b: __m128, imm8: i8) -> __m128;
#[link_name = "llvm.x86.sse.comieq.ss"]

4
library/stdarch/crates/core_arch/src/x86/sse2.rs
View file

@ -2450,7 +2450,7 @@ pub unsafe fn _mm_setzero_pd() -> __m128d {
#[cfg_attr(test, assert_instr(movmskpd))]
#[stable(feature = "simd_x86", since = "1.27.0")]
pub unsafe fn _mm_movemask_pd(a: __m128d) -> i32 {
movmskpd(a)
simd_bitmask::<u64x2, u8>(transmute(a)).into()
}
/// Loads 128-bits (composed of 2 packed double-precision (64-bit)
@ -2914,8 +2914,6 @@ extern "C" {
fn ucomigesd(a: __m128d, b: __m128d) -> i32;
#[link_name = "llvm.x86.sse2.ucomineq.sd"]
fn ucomineqsd(a: __m128d, b: __m128d) -> i32;
#[link_name = "llvm.x86.sse2.movmsk.pd"]
fn movmskpd(a: __m128d) -> i32;
#[link_name = "llvm.x86.sse2.cvtpd2dq"]
fn cvtpd2dq(a: __m128d) -> i32x4;
#[link_name = "llvm.x86.sse2.cvtsd2si"]