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

[tkoenig at gcc dot gnu.org]

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

Thomas Koenig <tkoenig at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
                 CC|                            |tkoenig at gcc dot gnu.org
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2023-11-13

--- Comment #5 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
(In reply to Hongtao.liu from comment #4)
> (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.

Are there benchmarks which show that the code would indeed run
faster?