r217828 - in /trunk/gcc: ChangeLog match.pd tes...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Nov 20 09:26:48 2014
New Revision: 217828

URL: https://gcc.gnu.org/viewcvs?rev=217828&root=gcc&view=rev
Log:
2014-11-20  Richard Biener  <rguenther@suse.de>

	PR middle-end/63962
	* match.pd ((p +p off1) +p off2 -> (p +p (off1 + off2))):
	Guard with single-use operand 0.

	* gcc.dg/tree-ssa/forwprop-30.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/forwprop-30.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/match.pd
    trunk/gcc/testsuite/ChangeLog