[Bug rtl-optimization/27671] [4.2 Regression] optimization error on pentium4-Linux with %, regression from gcc-4.1.0

[kazu at gcc dot gnu dot org]

------- Comment #4 from kazu at gcc dot gnu dot org  2006-05-21 15:13 -------
Subject: Bug 27671

Author: kazu
Date: Sun May 21 15:13:36 2006
New Revision: 113955

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=113955
Log:
gcc/
        PR rtl-optimization/27671
        * simplify-rtx.c (simplify_relational_operation_1): Fix
        simplifications of (eq/ne (xor x y) y) and
        (eq/ne (xor x y) x).

gcc/testsuite/
        PR rtl-optimization/27671
        * gcc.c-torture/execute/pr27671-1.c: New.
        * gcc.dg/pr27671-2.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr27671-1.c
    trunk/gcc/testsuite/gcc.dg/pr27671-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/simplify-rtx.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27671