r158123 - in /branches/gcc-4_4-branch/gcc: Chan...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Apr  8 11:47:13 2010
New Revision: 158123

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=158123
Log:
2010-04-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42956
	* gimplify.c (gimple_fold_indirect_ref): Avoid generating
	new ARRAY_REFs on variable size element or minimal index arrays.
	* tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
	gimple_fold_indirect_ref.

	* gcc.c-torture/compile/pr42956.c: New testcase.

Added:
    branches/gcc-4_4-branch/gcc/testsuite/gcc.c-torture/compile/pr42956.c
Modified:
    branches/gcc-4_4-branch/gcc/ChangeLog
    branches/gcc-4_4-branch/gcc/gimplify.c
    branches/gcc-4_4-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_4-branch/gcc/tree-ssa-loop-ivopts.c