r246491 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Mar 27 08:07:49 2017
New Revision: 246491

URL: https://gcc.gnu.org/viewcvs?rev=246491&root=gcc&view=rev
Log:
2017-03-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80170
	* tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
	sure DR/SCEV didnt fold in constants we do not see when looking
	at the reference base alignment.

	* gcc.dg/pr80170.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr80170.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-data-refs.c