[Bug rtl-optimization/45051] [4.6 Regression]: gcc.c-torture/execute/builtins/abs-2.c and abs-3.c due to "track subwords of DImode allocnos"

[hp at gcc dot gnu dot org]

------- Comment #6 from hp at gcc dot gnu dot org  2010-09-21 21:26 -------
Subject: Bug 45051

Author: hp
Date: Tue Sep 21 21:25:57 2010
New Revision: 164498

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164498
Log:
        PR rtl-optimization/41085
        Backport from mainline
        2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/45051
        * reload1.c (delete_output_reload): Use refers_to_regno_p rather
        than reg_mentioned_p.

Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/reload1.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45051