diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-loop-distribution.c | 6 |
2 files changed, 10 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9e93f79..1e13f59 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-11-10 Jim Wilson <jim.wilson@linaro.org> + + * tree-loop-distribution.c (pg_add_dependence_edges): Return 2 if + this_dir is 2. Check for this_dir non-zero before dir != this_dir + check. + 2016-11-10 Jakub Jelinek <jakub@redhat.com> * omp-low.c (lower_omp_target): Fix up argument to is_reference. diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c index 5580f28..902cf30 100644 --- a/gcc/tree-loop-distribution.c +++ b/gcc/tree-loop-distribution.c @@ -1408,9 +1408,11 @@ pg_add_dependence_edges (struct graph *rdg, vec<loop_p> loops, int dir, else this_dir = 0; free_dependence_relation (ddr); - if (dir == 0) + if (this_dir == 2) + return 2; + else if (dir == 0) dir = this_dir; - else if (dir != this_dir) + else if (this_dir != 0 && dir != this_dir) return 2; /* Shuffle "back" dr1. */ dr1 = saved_dr1; |