Messages in this thread | | | Date | Mon, 14 Dec 1998 16:34:48 +0100 | From | Philipp Rumpf <> | Subject | Re: [PATCH] Support new egcs/pgcc -mpentium(pro) options |
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On Mon, Dec 14, 1998 at 11:11:51AM +0100, Junichi Saito wrote: > this option dosen't make sense for pentium because there are no > architecture specific instrunctions available for it (but not for > pentiumpro). So the valide option for pentium is -mpentium.
The only general-purpose instructions the Pentium introduced are compare and exchange instructions. AFAIK, those are not generated by any gcc-like compiler in the moment.
So, there should be no difference between '-march=486 -mcpu=pentium' and '-march=pentium'.
Philipp Rumpf
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