user0/rust
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

use the simd_fma intrinsic for vec_madd

Browse source
This commit is contained in:
Folkert de Vries 2025-03-02 00:11:11 +01:00 • committed by Amanieu d'Antras
parent 6a30c9320e
commit aa4ce89f9e
1 changed files with 3 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

8
library/stdarch/crates/core_arch/src/powerpc/altivec.rs
View file

@ -129,8 +129,6 @@ unsafe extern "C" {
b: vector_signed_short,
c: vector_signed_int,
) -> vector_signed_int;
#[link_name = "llvm.ppc.altivec.vmaddfp"]
fn vmaddfp(a: vector_float, b: vector_float, c: vector_float) -> vector_float;
#[link_name = "llvm.ppc.altivec.vnmsubfp"]
fn vnmsubfp(a: vector_float, b: vector_float, c: vector_float) -> vector_float;
#[link_name = "llvm.ppc.altivec.vsum2sws"]
@ -1869,8 +1867,8 @@ mod sealed {
#[inline]
#[target_feature(enable = "altivec")]
#[cfg_attr(test, assert_instr(vmaddfp))]
unsafe fn vec_vmaddfp(a: vector_float, b: vector_float, c: vector_float) -> vector_float {
vmaddfp(a, b, c)
pub unsafe fn vec_vmaddfp(a: vector_float, b: vector_float, c: vector_float) -> vector_float {
simd_fma(a, b, c)
}
#[inline]
@ -4234,7 +4232,7 @@ where
#[target_feature(enable = "altivec")]
#[unstable(feature = "stdarch_powerpc", issue = "111145")]
pub unsafe fn vec_madd(a: vector_float, b: vector_float, c: vector_float) -> vector_float {
vmaddfp(a, b, c)
sealed::vec_vmaddfp(a, b, c)
}
/// Vector Negative Multiply Subtract