------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-12-13 
23:50 -------
Subject: Bug 18928

CVSROOT:        /cvs/gcc
Module name:    gcc
Changes by:     [EMAIL PROTECTED]       2004-12-13 23:49:29

Modified files:
        gcc            : ChangeLog simplify-rtx.c 
        gcc/testsuite  : ChangeLog 
Added files:
        gcc/testsuite/gcc.dg: pr18928-1.c 

Log message:
        PR rtl-optimization/18928
        * simplify_rtx.c (plus_minus_operand_p): New function to encode
        the test for suitable operands for calls to simplify_plus_minus.
        Only allow (CONST (PLUS x y)) if both x and y are CONSTANT_P.
        (simplify_binary_operation): Use plus_minus_operand_p.
        
        * gcc.dg/pr18928-1.c: New test case.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.6816&r2=2.6817
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/simplify-rtx.c.diff?cvsroot=gcc&r1=1.214&r2=1.215
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.4744&r2=1.4745
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/pr18928-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18928

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