[Bug target/112435] [14 regression] GCC generates assembly which gas rejects with AVX512 when building ncnn? (Error: unsupported instruction `vblendps')

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112435

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|needs-reduction             |

--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Sam James from comment #8)
> I've kicked off a reduction although I'm not really sure how it's going to
> turn out...
> 
> I'll do a bisect while I wait.

No need for a reduction and/or bisect, I have one:
```
#include<x86intrin.h>

__m256i f(__m256i a, __m256i  b)
{
        register __m256i t __asm__("ymm17") =a;
        asm("":"+v"(t));
        return _mm256_shuffle_i32x4 (t, b, 2);
}
```