[Bug rtl-optimization/52208] [4.7 Regression] Useless store

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52208

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-16 
15:34:35 UTC ---
Author: jakub
Date: Thu Feb 16 15:34:28 2012
New Revision: 184310

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184310
Log:
    PR rtl-optimization/52208
    * ira-costs.c (scan_one_insn): Don't decrease mem_cost
    for MEMs with REG_EQUIV, if the MEM isn't general_operand.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira-costs.c