r197414 - in /branches/gcc-4_8-branch/gcc: Chan...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Apr  3 14:06:53 2013
New Revision: 197414

URL: http://gcc.gnu.org/viewcvs?rev=197414&root=gcc&view=rev
Log:
2013-04-03  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56817
	* tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
	Split out ...
	(tree_unroll_loops_completely_1): ... new function to manually
	walk the loop tree, properly defering outer loops of unrolled
	loops to later iterations.

	* g++.dg/torture/pr56817.C: New testcase.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/g++.dg/torture/pr56817.C
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/gcc/tree-ssa-loop-ivcanon.c