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Pentium or PentiumPro optimizations in egcc?



Douglas Bates writes:
> I seem to recall that there are switches for egcc to cause it to
> optimize code for the Pentium or PentiumPro.  I looked through the
> manual page but did not find any mention of this.  Does anyone know if
> these switches exist?

-mcpu=pentiumpro -march=pentiumpro

As I understand it, the current egcs and egcs-snapshot compilers don't
use the 'conditional move' instruction. Look at the egcs mailing lists
http://egcs.cygnus.com/ for patches that enable this
instruction. These patches are not yet part of the egcs snapshots.


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