[PATCH] x86: Set Prefer_No_VZEROUPPER if AVX512ER is available

[Florian Weimer]

On 04/17/2017 09:54 PM, H.J. Lu wrote:
> Since AVX512ER is unique to Xeon Phi, set Prefer_No_VZEROUPPER if
> AVX512ER is available.

This approach doesn't seem very future-proof to me.

Thanks,
Florian