diff mbox series

AArch64: Use prefer_sve_ifuncs for SVE memset

Message ID PAWPR08MB89826A74F7F5E8F80889C41083CD2@PAWPR08MB8982.eurprd08.prod.outlook.com
State New
Headers show
Series AArch64: Use prefer_sve_ifuncs for SVE memset | expand

Commit Message

Wilco Dijkstra Feb. 27, 2025, 4:36 p.m. UTC 
Use prefer_sve_ifuncs for SVE memset just like memcpy.

---

Comments

Yury Khrustalev Feb. 27, 2025, 4:49 p.m. UTC | #1 
Hi Wilco,

On Thu, Feb 27, 2025 at 04:36:18PM +0000, Wilco Dijkstra wrote:
> 
> Use prefer_sve_ifuncs for SVE memset just like memcpy.
> 
> ---
> 
> diff --git a/sysdeps/aarch64/multiarch/memset.c b/sysdeps/aarch64/multiarch/memset.c
> index 183c334988190a96676ccdcc40d44429d5ab243d..872f39f00fb7b6fbcf8628b4b01f83db8cf8baac 100644
> --- a/sysdeps/aarch64/multiarch/memset.c
> +++ b/sysdeps/aarch64/multiarch/memset.c
> @@ -51,7 +51,7 @@ select_memset_ifunc (void)
>        if (IS_A64FX (midr) && zva_size == 256)
>  	return __memset_a64fx;
>  
> -      if (zva_size == 64)
> +      if (prefer_sve_ifuncs && zva_size == 64)
>  	return __memset_sve_zva64;
>      }
> 

LGTM.

Reviewed-by: Yury Khrustalev <yury.khrustalev@arm.com>

Thanks,
Yury
diff mbox series

Patch

diff --git a/sysdeps/aarch64/multiarch/memset.c b/sysdeps/aarch64/multiarch/memset.c
index 183c334988190a96676ccdcc40d44429d5ab243d..872f39f00fb7b6fbcf8628b4b01f83db8cf8baac 100644
--- a/sysdeps/aarch64/multiarch/memset.c
+++ b/sysdeps/aarch64/multiarch/memset.c
@@ -51,7 +51,7 @@  select_memset_ifunc (void)
       if (IS_A64FX (midr) && zva_size == 256)
 	return __memset_a64fx;
 
-      if (zva_size == 64)
+      if (prefer_sve_ifuncs && zva_size == 64)
 	return __memset_sve_zva64;
     }