https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89929
--- Comment #17 from Martin Liška <marxin at gcc dot gnu.org> ---
>
> @Martin:
>
> Thank you for the detailed answer. This could work for now. I have a few
> questions about it:
>
> Wouldn't that create issues in the future if AMD decide to release avx512
> for their CPUs?
No, that will only require to add target(arch=amd-name-with-avx512).
>
> In case we are using C style target annotation (and not function
> multi-versioning), should we also use target(arch=skylake-avx512) instead of
> target(avx512bw)?
Yes. Let me discuss that with H.J.
>
> Also it seems that target("arch=foo") fails for my simple example with
> target specific option mismatch error (but works in clang).
>
> If I change target to avx2 it compiles again.
>
> Cheers,
>
> Nick
Let me investigate that.
