[Bug tree-optimization/68953] [6 Regression] [graphite] Wrong code w/ -O[12] -floop-nest-optimize

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68953

--- Comment #9 from vries at gcc dot gnu.org ---
Author: vries
Date: Sat Apr  9 15:28:24 2016
New Revision: 234851

URL: https://gcc.gnu.org/viewcvs?rev=234851&root=gcc&view=rev
Log:
Fix pdr accesses order

2016-04-09  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68953
        * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses
from
        first to last subscript.

        * gcc.dg/graphite/pr68953.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/graphite/pr68953.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/graphite-sese-to-poly.c
    trunk/gcc/testsuite/ChangeLog