[PATCH 1/2] Add _arch_/_cpu_ to index_*/bit_* in x86 cpu-features.h

[Florian Weimer]

On 03/12/2016 12:06 AM, Florian Weimer wrote:

> This would seem more reasonable:
> 
> diff --git a/sysdeps/x86_64/tst-audit10.c b/sysdeps/x86_64/tst-audit10.c
> index a487b40..0df2275 100644
> --- a/sysdeps/x86_64/tst-audit10.c
> +++ b/sysdeps/x86_64/tst-audit10.c
> @@ -17,13 +17,13 @@
>     <http://www.gnu.org/licenses/>.  */
>  
>  #include <cpuid.h>
> -#include <cpu-features.h>
>  
>  int tst_audit10_aux (void);
>  
>  static int
>  avx512_enabled (void)
>  {
> +#ifdef bit_AVX512F
>    unsigned int eax, ebx, ecx, edx;
>  
>    if (__get_cpuid (1, &eax, &ebx, &ecx, &edx) == 0
> @@ -38,6 +38,9 @@ avx512_enabled (void)
>  
>    /* Verify that ZMM, YMM and XMM states are enabled.  */
>    return (eax & 0xe6) == 0xe6;
> +#else
> +  return 0;
> +#endif
>  }
>  
>  static int

I have committed this, after testing compilation with GCC 4.7 and GCC
5.3.  Bug 19860 mentions a second compilation error, which I did not
see.  I'm waiting for details on that one, maybe it was a spurious issue.

Florian