Set chunk_size to one for parloops parallel

---
 gcc/tree-parloops.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/tree-parloops.c b/gcc/tree-parloops.c
index 62a6444..862c420 100644
--- a/gcc/tree-parloops.c
+++ b/gcc/tree-parloops.c
@@ -1719,6 +1719,7 @@ create_parallel_loop (struct loop *loop, tree loop_fn, tree data,
   type = TREE_TYPE (cvar);
   t = build_omp_clause (loc, OMP_CLAUSE_SCHEDULE);
   OMP_CLAUSE_SCHEDULE_KIND (t) = OMP_CLAUSE_SCHEDULE_STATIC;
+  OMP_CLAUSE_SCHEDULE_CHUNK_EXPR (t) = integer_one_node;
 
   for_stmt = gimple_build_omp_for (NULL, GF_OMP_FOR_KIND_FOR, t, 1, NULL);
   gimple_set_location (for_stmt, loc);
-- 
1.9.1