https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110966
--- Comment #6 from Hongtao.liu <crazylht at gmail dot com> --- (In reply to Thomas Koenig from comment #5) > (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? Not yet, just better in theory . But considering that there might be some tweaks regarding x86-64-v4, I think it's best to leave it unchanged for the time being.
