What is a difference between `-march=pentiumpro' and `-march=i686'

Richard Henderson rth@cygnus.com
Wed Oct 25 17:56:00 GMT 2000


On Wed, Oct 25, 2000 at 04:36:03PM -0700, Joe Buck wrote:
> There does not seem to be any specific PIII code; I think people
> are using i686 but don't know.

A PIII is a PII plus additional SIMD instructions, which
we would not automaticly generate code for in any case.


r~


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