[Bug rtl-optimization/54592] [4.8 Regression] Cannot fuse SSE move and add together

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54592

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-09-18 
15:14:20 UTC ---
Author: jakub
Date: Tue Sep 18 15:14:15 2012
New Revision: 191430

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191430
Log:
    PR target/54592
    * config/i386/i386.c (ix86_rtx_costs): Limit > UNITS_PER_WORD
    AND/IOR/XOR cost calculation to MODE_INT class modes.

    * gcc.target/i386/pr54592.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr54592.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog