diff options
Diffstat (limited to 'gcc/tree-loop-distribution.c')
| -rw-r--r-- | gcc/tree-loop-distribution.c | 6 |
1 files changed, 4 insertions, 2 deletions
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; |