https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77270
--- Comment #5 from nightstrike <nightstrike at gmail dot com> --- (In reply to Uroš Bizjak from comment #2) > The problem is in the fact that for -march=native, the driver will pass > -mno-prfchw, since the relevant bit is not present in cpuid flags. I'm a little confused. -march=native gets it right. It's -march=k8 that gets it wrong. Does your patch make -march-k8 do the right thing now?
