r235006 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Fri Apr 15 07:28:44 2016
New Revision: 235006

URL: https://gcc.gnu.org/viewcvs?rev=235006&root=gcc&view=rev
Log:
2016-04-15  Richard Biener  <rguenther@suse.de>
	Alan Modra  <amodra@gmail.com>

	PR tree-optimization/70130
	* tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
	when alignment stays not the same and no not use the realign
	scheme then.

	* gcc.dg/vect/O3-pr70130.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/O3-pr70130.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-data-refs.c