r210398 - in /branches/gcc-4_9-branch/gcc: Chan...

[law@gcc.gnu.org]

Author: law
Date: Tue May 13 20:26:30 2014
New Revision: 210398

URL: http://gcc.gnu.org/viewcvs?rev=210398&root=gcc&view=rev
Log:
	PR tree-optimization/60902
	* tree-ssa-threadedge.c
	(record_temporary_equivalences_from_stmts_at_dest): Make sure to
	invalidate outputs from statements that do not produce useful
	outputs for threading.

	PR tree-optimization/60902
	* gcc.target/i386/pr60902.c: New test.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.target/i386/pr60902.c
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_9-branch/gcc/tree-ssa-threadedge.c