On Thursday, April 10, 2003, at 09:46 AM, Dan Burcaw wrote: > -mcpu=7450 is probably what you want.. but there really isn't a > difference beftween the various -mcpus on ppc linux like you find with > gcc on x86. In fact I often find that specifying the wrong -mcpu results in better performance. Which -mcpu is best for a given actual PPC CPU varies from one program to the next.