On Sat, Sep 25, 2004 at 11:09:42PM +0200, Arjan van de Ven wrote: > in theory we compile all of fedora core with -mtune=i686 (or > -mtune=pentium4 nowadays). however that only actually happens if > packages propagate the RPM_OPT_FLAGS into the CFLAGS properly; almost > all but not quite not all packages actually do this. I noticed a curiosity playing with this that perhaps the gcc folks can explain the right choice for - on Dothan -mtune=i686 is a lot faster than tuning for pentium4.
