Index: modulo-sched.c
===================================================================
--- modulo-sched.c	(revision 144739)
+++ modulo-sched.c	(working copy)
@@ -1833,10 +1833,10 @@ sms_schedule_by_order (ddg_ptr g, int mi
 
               num_splits++;
               if (step == 1)
-                split_row = compute_split_row (sched_nodes, start, end,
+                split_row = compute_split_row (sched_nodes, start, end - 1,
                                                ps->ii, u_node);
               else
-                split_row = compute_split_row (sched_nodes, end, start,
+                split_row = compute_split_row (sched_nodes, end + 1, start,
                                                ps->ii, u_node);
 
               ps_insert_empty_row (ps, split_row, sched_nodes);