[Bug tree-optimization/78189] [5/6/7 Regression] movaps generated for unaligned store in aligned struct, when struct is referenced via unaligned member.

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78189

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Nov  7 08:05:08 2016
New Revision: 241892

URL: https://gcc.gnu.org/viewcvs?rev=241892&root=gcc&view=rev
Log:
2016-11-07  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/78189
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Fix
        alignment computation.

        * g++.dg/torture/pr78189.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr78189.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-data-refs.c