Volker Armin Hemmann wrote: > Second, that 'feature' means that gcc looks at your CHOST and use that for > the > march/mtune setting. > > So no, don't change anything at all. march=nocona is fine. Don't touch it.
That's completely wrong. If you look at the old patch [1] that fixed mtune for the Core2's you'd see it is MUCH more complicated than that. [1] http://gcc.gnu.org/ml/gcc-patches/2006-12/msg00061.html -- Kenneth Prugh - Ken69267 Gentoo AMD64 Arch Tester
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