Re: [Minios-devel] [UNIKRAFT/INTEL-INTRINSICS PATCH 3/3] Implement _mm_getcsr and _mm_setcsr

[Vlad-Andrei BĂDOIU (78692) <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>]

Hey Felipe,

The patch looks great, thanks!

Vlad

Reviewed-by: Vlad-Andrei Badoiu<vlad_andrei.badoiu@xxxxxxxxxxxxxxx>

On 6/12/19 4:15 PM, Felipe Huici wrote:
> Signed-off-by: Felipe Huici <felipe.huici@xxxxxxxxx>
> ---
>   include/xmmintrin.h | 14 ++++++++++++++
>   1 file changed, 14 insertions(+)
>
> diff --git a/include/xmmintrin.h b/include/xmmintrin.h
> index 2dfa4d5..1b1210f 100644
> --- a/include/xmmintrin.h
> +++ b/include/xmmintrin.h
> @@ -3110,6 +3110,20 @@ static inline void __DEFAULT_FN_ATTRS _mm_pause(void)
>   #undef __DEFAULT_FN_ATTRS
>   #undef __DEFAULT_FN_ATTRS_MMX
>   
> +/* Set the control register to I.  */
> +extern __inline void __attribute__((__gnu_inline__, __always_inline__, 
> __artificial__))
> +_mm_setcsr (unsigned int __I)
> +{
> +  __builtin_ia32_ldmxcsr (__I);
> +}
> +
> +/* Return the contents of the control register.  */
> +extern __inline unsigned int __attribute__((__gnu_inline__, 
> __always_inline__, __artificial__))
> +_mm_getcsr (void)
> +{
> +  return __builtin_ia32_stmxcsr ();
> +}
> +
>   /* Ugly hack for backwards-compatibility (compatible with gcc) */
>   #ifdef __GNUC__
>   #include <emmintrin.h>
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