[Bug libfortran/110966] should matmul_c8_avx512f be updated with matmul_c8_x86-64-v4.

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110966

--- Comment #4 from Hongtao.liu <crazylht at gmail dot com> ---
(In reply to anlauf from comment #3)
> (In reply to Hongtao.liu from comment #2)
> > (In reply to Richard Biener from comment #1)
> > > I think matmul is fine with avx512f or avx, so requiring/using only the 
> > > base
> > > ISA level sounds fine to me.
> > 
> > Could be potential miss-optimization.
> 
> Do you mean a missed optimzation?
> 
> Or really wrong code?

a missed optimzation.