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[Bug middle-end/30364] [4.1/4.2/4.3 Regression] Wrong variable ranges due to constant folding
- 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: 28 Feb 2007 21:56:54 -0000
- Subject: [Bug middle-end/30364] [4.1/4.2/4.3 Regression] Wrong variable ranges due to constant folding
- References: <bug-30364-7904@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #11 from rguenth at gcc dot gnu dot org 2007-02-28 21:56 -------
Subject: Bug 30364
Author: rguenth
Date: Wed Feb 28 21:56:41 2007
New Revision: 122414
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122414
Log:
2007-02-28 Richard Guenther <rguenther@suse.de>
PR middle-end/30364
* fold-const.c (fold_binary): Do not associate expressions
with more than one variable for integer types that do not wrap.
* gcc.dg/torture/pr30364-1.c: New testcase.
* gcc.dg/torture/pr30364-2.c: Likewise.
* gcc.dg/torture/pr30364-3.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr30364-1.c
trunk/gcc/testsuite/gcc.dg/torture/pr30364-2.c
trunk/gcc/testsuite/gcc.dg/torture/pr30364-3.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30364