r220940 - in /branches/gcc-4_8-branch/gcc: Chan...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Feb 24 14:05:46 2015
New Revision: 220940

URL: https://gcc.gnu.org/viewcvs?rev=220940&root=gcc&view=rev
Log:
2015-02-24  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2014-12-09  Richard Biener  <rguenther@suse.de>

	PR middle-end/64199
	* fold-const.c (fold_binary_loc): Use TREE_OVERFLOW_P.

	* gcc.dg/torture/pr64199.c: New testcase.

	2015-01-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/64493
	PR tree-optimization/64495
	* tree-vect-loop.c (vect_finalize_reduction): For double-reductions
	assign the proper vectorized PHI to the inner loop exit PHIs.

	* gcc.dg/vect/pr64493.c: New testcase.
	* gcc.dg/vect/pr64495.c: Likewise.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr64199.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/vect/pr64493.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/vect/pr64495.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/fold-const.c
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_8-branch/gcc/tree-vect-loop.c