Ignacio Vazquez-Abrams (ivazqueznet@xxxxxxxxx) said: > On Wed, 2009-02-04 at 09:26 -0500, Bill Nottingham wrote: > > Also, -march=i686 was a win over -march=i586, in general, in testing > > across Atom, Core2Duo, and a Athlon64, although not a particularly > > significant one. > > How do they compare versus -march=i386? Didn't test, on the assumption that: - keeping around support for i386/i486 is pointless - if emitting i586/i686 instructions was slower... gcc wouldn't do it Bill -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list