[Bug middle-end/41963] [4.5 Regression] 177.mesa in SPEC CPU 2K is miscompiled

[uros at gcc dot gnu dot org]

------- Comment #8 from uros at gcc dot gnu dot org  2009-11-08 18:10 -------
Subject: Bug 41963

Author: uros
Date: Sun Nov  8 18:10:10 2009
New Revision: 154011

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=154011
Log:
        Backport from mainline:
        2009-11-06  Michael Matz  <matz@suse.de>

        PR middle-end/41963
        * tree-ssa-math-opts.c (execute_cse_reciprocals): Check all uses
        of a potential reciprocal to really be reciprocals.

testsuite/ChangeLog:

        Backport from mainline:
        2009-11-06  Michael Matz  <matz@suse.de>

        PR middle-end/41963
        * gcc.target/i386/pr41963.c: New test.


Added:
    branches/gcc-4_4-branch/gcc/testsuite/gcc.target/i386/pr41963.c
Modified:
    branches/gcc-4_4-branch/gcc/ChangeLog
    branches/gcc-4_4-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_4-branch/gcc/tree-ssa-math-opts.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41963