On Friday 07 July 2006 02:20, Danny van Dyk wrote: > Ehm, no. Athlon64 can also optionally include: sse3 (for latest > steppings) and xchg16 (which is a bit older already) That is the point, if they ask "-march=athlon64" they get the base athlon64. If you add "-msse3" (as you should if you have an Athlon64 capable of SSE3) you get the whole stuff with sse3 support too. For free!
> Afaik Pentium4 has support for xchg16 since the very beginning. I don't remember any useflag for that, and I don't seem to find that instruction reported in gcc's documentation, so I cannot comment on that. -- Diego "Flameeyes" Pettenò - http://farragut.flameeyes.is-a-geek.org/ Gentoo/Alt lead, Gentoo/FreeBSD, Video, AMD64, Sound, PAM, KDE
pgpzcsyxKLcjT.pgp
Description: PGP signature
