Toshio Kuratomi (a.badger@xxxxxxxxx) said: > >> * 32-bit x86 would be built for i686 by default. 586-compatible processors > >> would no longer be supported. > > [...] > >> * i386: -march=i586 -mtune=generic > > > > Should the latter be -march=i686? > > > I was wondering this too but in the opposite direction -- why build > everything for i686 by default if we're only updating the compiler flags > to i586? > > Jakub's email sparking this Feature listed the major benefit from > getting new instructions with -march=i486. He then listed additional > helpful instructions when using -march=i586. Nothing listed for > -march=i686. The idea is that RPMs are built for i686, ergo, they will get -march=i686 explicitly passed to the compiler. The default compiler flags for 32-bit will be -march=i586, which will allow people to build i586-compatible code if they so desire. Bill -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
