Re: [PATCH] [X86]: Fix zen6 AVX512BMM cpuid check.

On Fri, Aug 21, 2026 at 11:20 AM Jiang, Haochen <[email protected]> wrote:
>
> > From: H.J. Lu <[email protected]>
> > Sent: Friday, August 21, 2026 5:14 AM
> >
> > Please fix
> >
> > /* Sub leaf (%eax == 0x21) */
> > #define bit_AVX512BMM   ( 1<<23 )
> >
> > in cpuid.h.
> >
>
> Agreed. Although it will not lead to functionality
> issue, but please maintain it cleanly to avoid confusion.

Please also add a test for

__builtin_cpu_supports ("avx512bmm")

> And you may also need to backport right,
> Venkat and Dipesh?
>
> Thx,
> Haochen



-- 
H.J.