r122548 - in /branches/gcc-4_2-branch/gcc: Chan...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Mar  5 13:15:25 2007
New Revision: 122548

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122548
Log:
2007-03-05  Richard Guenther  <rguenther@suse.de>

	Backport from mainline:
	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:
    branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/torture/pr30364-1.c
      - copied unchanged from r122414, trunk/gcc/testsuite/gcc.dg/torture/pr30364-1.c
    branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/torture/pr30364-2.c
      - copied unchanged from r122414, trunk/gcc/testsuite/gcc.dg/torture/pr30364-2.c
    branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/torture/pr30364-3.c
      - copied unchanged from r122414, trunk/gcc/testsuite/gcc.dg/torture/pr30364-3.c
Modified:
    branches/gcc-4_2-branch/gcc/ChangeLog
    branches/gcc-4_2-branch/gcc/fold-const.c
    branches/gcc-4_2-branch/gcc/testsuite/ChangeLog