[Bug rtl-optimization/33512] Simple bitwise simplification missed

[pinskia at gcc dot gnu dot org]

------- Comment #2 from pinskia at gcc dot gnu dot org  2008-02-23 17:59 -------
Subject: Bug 33512

Author: pinskia
Date: Sat Feb 23 17:58:48 2008
New Revision: 132575

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=132575
Log:
2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR rtl-opt/33512
        * simplify-rtx.c (simplify_binary_operation_1): Add simplification
        of (and X (ior (not X) Y) and (and (ior (not X) Y) X).

2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR rtl-opt/33512
        * gcc.dg/and-1.c: New test.



Added:
    trunk/gcc/testsuite/gcc.dg/and-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/simplify-rtx.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33512