===================================================================
@@ -1173,6 +1173,8 @@ generate_prolog_epilog (partial_schedule
/* Put the prolog on the entry edge. */
e = loop_preheader_edge (loop);
split_edge_and_insert (e, get_insns ());
+ if (!flag_resched_modulo_sched)
+ e->dest->flags |= BB_DISABLE_SCHEDULE;
end_sequence ();
@@ -1186,9 +1188,24 @@ generate_prolog_epilog (partial_schedule
gcc_assert (single_exit (loop));
e = single_exit (loop);
split_edge_and_insert (e, get_insns ());
+ if (!flag_resched_modulo_sched)
+ e->dest->flags |= BB_DISABLE_SCHEDULE;
+
end_sequence ();
}
+/* Mark LOOP as software pipelined so the later
+ scheduling passes don't touch it. */
+static void
+mark_loop_unsched (struct loop *loop)
+{
+ unsigned i;
+ basic_block *bbs = get_loop_body (loop);
+
+ for (i = 0; i < loop->num_nodes; i++)
+ bbs[i]->flags |= BB_DISABLE_SCHEDULE;
+}
+
/* Return true if all the BBs of the loop are empty except the
loop header. */
static bool
@@ -1714,9 +1731,10 @@ sms_schedule (void)
permute_partial_schedule (ps, g->closing_branch->first_note);
/* Mark this loop as software pipelined so the later
- scheduling passes doesn't touch it. */
+ scheduling passes don't touch it. */
if (! flag_resched_modulo_sched)
- g->bb->flags |= BB_DISABLE_SCHEDULE;
+ mark_loop_unsched (loop);
+
/* The life-info is not valid any more. */
df_set_bb_dirty (g->bb);