This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: -msse producing sse2 instructions
On Sunday 21 July 2002 11:42, Jan Hubicka wrote:
>
> > -march=pentium3 doesn't set x86_partial_reg_dependency as =athlon and
> > =pentium4 do. This is the flag which tells gcc to use movaps for
> > register to register moves. This sometimes causes sse code to be slower
> > than 387 code. If it were not for this problem, -march=pentium3 would be
> > a good common denominator for P3/P4/AthlonMP.
>
> I have patch for this problem. I will commit it soon.
>
Thanks.
--
Tim Prince