Mike A. Harris wrote:
-march=athlon or -march=athlon-xp makes a bigger difference on
8.0(because of gcc 3.2), than variations on x86.
Interesting... Perhaps an athlon optimized Mesa would be nice. ;o)
I'll help test that :)
one test I did was -march=i386 v/s -march=athlon with -mcpu=athlon both times. On cdrecord.c from the cdrtools package, I see this difference i386 athlon fxch %st(1) fxch %st(1) fucompp fucomip %st(1),%st fnstsw %ax fstp %st(0) testb $69, %ah ja .L231 je .L231 and again later, with a different jump target -Thomas
