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Do not use nonexistent subtraction intrinsics

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We can use the generic operators instead
This commit is contained in:
Adam
2017-09-26 00:47:55 -04:00
parent ef97a06670
commit 6003dbf51f
1 changed files with 2 additions and 14 deletions
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library/stdarch/src/x86/avx.rs
+2 -14
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@@ -38,13 +38,7 @@ pub fn _mm256_addsub_pd(a: f64x4, b: f64x4) -> f64x4 {
#[target_feature = "+avx"]
// #[cfg_attr(test, assert_instr(subpd))]
pub fn _mm256_sub_pd(a: f64x4, b: f64x4) -> f64x4 {
unsafe { subpd256(a, b) }
}
#[allow(improper_ctypes)]
extern "C" {
#[link_name = "llvm.x86.avx.sub.pd.256"]
fn subpd256(a: f64x4, b: f64x4) -> f64x4;
a - b
}
/// Subtract packed single-precision (32-bit) floating-point elements in `b`
@@ -53,13 +47,7 @@ pub fn _mm256_sub_pd(a: f64x4, b: f64x4) -> f64x4 {
#[target_feature = "+avx"]
// #[cfg_attr(test, assert_instr(subps))]
pub fn _mm256_sub_ps(a: f32x8, b: f32x8) -> f32x8 {
unsafe { subps256(a, b) }
}
#[allow(improper_ctypes)]
extern "C" {
#[link_name = "llvm.x86.avx.sub.ps.256"]
fn subps256(a: f32x8, b: f32x8) -> f32x8;
a - b
}
/// Round packed double-precision (64-bit) floating point elements in `a`