On 5/26/05, Walter Dnes <[EMAIL PROTECTED]> wrote: > One thing I haven't seen mentioned in this discussion is cpu-specific > flags. Try doing a "cat /proc/cpuinfo" and see which of the flags are > allowed in gcc. mmx, mmx2, sse, sse2, sse3 and various other stuff will > speed things up. If you have any version of sse, remember "-mfpmath=sse". > In addition to being valid CFLAGS, some of these items are valid USE > flags as well.
Using -fpmath=sse on early athlon-xp cpus is known to produce unstable code, so beware :) Julien -- [email protected] mailing list
