r209190 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Apr  7 14:03:55 2014
New Revision: 209190

URL: http://gcc.gnu.org/viewcvs?rev=209190&root=gcc&view=rev
Log:
2014-04-07  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/60766
	* tree-ssa-loop-ivopts.c (cand_value_at): Compute in an
	unsigned type.
	(may_eliminate_iv): Convert cand_value_at result to desired
	type.

	* gcc.dg/torture/pr60766.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr60766.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-ivopts.c