[Bug c++/81410] [5/6/7/8 Regression] -O3 breaks code

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81410

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jul 18 13:55:47 2017
New Revision: 250312

URL: https://gcc.gnu.org/viewcvs?rev=250312&root=gcc&view=rev
Log:
2017-06-18  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/81410
        * tree-vect-stmts.c (vectorizable_load): Properly adjust for
        the gap in the ! slp_perm SLP case after each group.

        * gcc.dg/vect/pr81410.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/vect/pr81410.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-stmts.c