[Bug target/20322] [4.0/4.1 Regression] Miscompilation of libcpp/expr.c at -O2+

Thu, 10 Mar 2005 13:26:24 -0800 

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-03-10 
21:26 -------
Subject: Bug 20322

CVSROOT:        /cvs/gcc
Module name:    gcc
Changes by:     [EMAIL PROTECTED]       2005-03-10 21:26:12

Modified files:
        gcc            : ChangeLog combine.c 
        gcc/testsuite  : ChangeLog 
Added files:
        gcc/testsuite/gcc.dg: 20050307-1.c 

Log message:
        PR target/20322
        * combine.c (try_combine): If recog_for_combine added CLOBBERs
        to NEWI2PAT, fail to combine if they are used by NEWPAT.
        
        * gcc.dg/20050307-1.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7775&r2=2.7776
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/combine.c.diff?cvsroot=gcc&r1=1.478&r2=1.479
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5138&r2=1.5139
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/20050307-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20322

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