some good gcc docs are here (including some arch specific) http://gcc.gnu.org/onlinedocs/gcc-3.2/gcc/
timmy wrote: > When compiling from source, you can use a CFLAGS option such as the > following: --march=i686. > > This would work fine for a Pentium platform, but what about an AMD > K6/Athlon/Duron? I've looked in the man pages for gcc, but cannot see > any reference to the "--march" option. > > I've been told I could use "--march=K6", though I don't know that a > "K7" option would be available. Any ideas?
