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[Bug middle-end/30951] Does not fold x + CST == x and x + CST != x
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 24 Feb 2007 19:55:58 -0000
- Subject: [Bug middle-end/30951] Does not fold x + CST == x and x + CST != x
- References: <bug-30951-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from rguenth at gcc dot gnu dot org 2007-02-24 19:55 -------
Subject: Bug 30951
Author: rguenth
Date: Sat Feb 24 19:55:47 2007
New Revision: 122295
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122295
Log:
2007-02-24 Richard Guenther <rguenther@suse.de>
PR middle-end/30951
* fold-const.c (fold_binary): Fold x +- CST op x for
EQ_EXPR and NE_EXPR.
* gcc.dg/pr30951.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/pr30951.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30951