[Bug tree-optimization/54073] [4.7/4.8 Regression] SciMark Monte Carlo test performance has seriously decreased in recent GCC releases

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54073



--- Comment #13 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-11-16 
11:40:42 UTC ---

Author: jakub

Date: Fri Nov 16 11:40:39 2012

New Revision: 193554



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193554

Log:

    PR target/54073

    * config/i386/i386.md (mov<mode>cc): Use comparison_operator

    instead of ordered_comparison_operator resp.

    ix86_fp_comparison_operator predicates.

    * config/i386/i386.c (ix86_expand_fp_movcc): Reject TImode

    or for -m32 DImode comparisons.



Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/config/i386/i386.c

    trunk/gcc/config/i386/i386.md