r193164 - in /branches/gcc-4_7-branch/gcc: Chan...

[jakub@gcc.gnu.org]

Author: jakub
Date: Mon Nov  5 15:05:42 2012
New Revision: 193164

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193164
Log:
	Backported from mainline
	2012-10-10  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/54877
	* tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
	use make_ssa_name instead of copy_ssa_name.

	* gcc.dg/torture/pr54877.c: New test.

Added:
    branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr54877.c
Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_7-branch/gcc/tree-vect-loop.c