[PATCH] math: x86: Remove extra '%' on FP_INIT_ROUNDMODE inline asm

Joseph Myers joseph@codesourcery.com
Wed Aug 31 19:35:29 GMT 2022


On Wed, 31 Aug 2022, Adhemerval Zanella via Libc-alpha wrote:

> Checked on x86_64-linux-gnu.
> ---
>  sysdeps/x86/fpu/sfp-machine.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sysdeps/x86/fpu/sfp-machine.h b/sysdeps/x86/fpu/sfp-machine.h
> index 5892f4f5fe..1cacdb4ebd 100644
> --- a/sysdeps/x86/fpu/sfp-machine.h
> +++ b/sysdeps/x86/fpu/sfp-machine.h
> @@ -41,7 +41,7 @@ typedef unsigned int UTItype __attribute__ ((mode (TI)));
>  
>  # define FP_INIT_ROUNDMODE					\
>    do {								\
> -    __asm__ __volatile__ ("%vstmxcsr\t%0" : "=m" (_fcw));	\
> +    __asm__ __volatile__ ("vstmxcsr\t%0" : "=m" (_fcw));	\

That's incorrect.  %v means "'v' if AVX, empty string otherwise".

-- 
Joseph S. Myers
joseph@codesourcery.com


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