r204458 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Nov  6 15:00:16 2013
New Revision: 204458

URL: http://gcc.gnu.org/viewcvs?rev=204458&root=gcc&view=rev
Log:
2013-11-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/58653
	* tree-predcom.c (ref_at_iteration): Rewrite to generate
	a MEM_REF.
	(prepare_initializers_chain): Adjust.

	* gcc.dg/tree-ssa/predcom-6.c: New testcase.
	* gcc.dg/tree-ssa/predcom-7.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/predcom-6.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/predcom-7.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-predcom.c