From b75bc770651abf286d2a99d19cfbc40f930977a6 Mon Sep 17 00:00:00 2001
From: Folkert de Vries <folkert@folkertdev.nl>
Date: Sat, 22 Feb 2025 21:27:45 +0100
Subject: [PATCH] use `simd_neg` in the `impl crate::ops::Neg`

on s390x I had some problems with the old implementation not combining
with other instructions well, and using the purpose-built intrinsic is
just clearer.
---
 library/stdarch/crates/core_arch/src/powerpc/macros.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/library/stdarch/crates/core_arch/src/powerpc/macros.rs b/library/stdarch/crates/core_arch/src/powerpc/macros.rs
index 4dcf55891997..af47494e8fb4 100644
--- a/library/stdarch/crates/core_arch/src/powerpc/macros.rs
+++ b/library/stdarch/crates/core_arch/src/powerpc/macros.rs
@@ -298,8 +298,7 @@ macro_rules! impl_neg {
         impl crate::ops::Neg for s_t_l!($s) {
             type Output = s_t_l!($s);
             fn neg(self) -> Self::Output {
-                let zero = $s::splat($zero);
-                unsafe { transmute(simd_sub(zero, transmute(self))) }
+                unsafe { simd_neg(self) }
             }
         }
     };