[Bug target/57341] [4.8/4.9 Regression] wrong code on x86_64-linux at -O3 in 32-bit mode

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57341

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu May 23 08:37:24 2013
New Revision: 199237

URL: http://gcc.gnu.org/viewcvs?rev=199237&root=gcc&view=rev
Log:
2013-05-23  Richard Biener  <rguenther@suse.de>

    PR rtl-optimization/57341
    * ira.c (validate_equiv_mem_from_store): Use anti_dependence
    instead of true_dependence.

    * gcc.dg/torture/pr57341.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr57341.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira.c
    trunk/gcc/testsuite/ChangeLog