allow character mode constants

[libfirm] / ir / be / bespillbelady.c

diff --git a/ir/be/bespillbelady.c b/ir/be/bespillbelady.c
index c3e2508..460b415 100644 (file)
--- a/ir/be/bespillbelady.c
+++ b/ir/be/bespillbelady.c
@@ -24,7 +24,7 @@
 #include "xmalloc.h"
 
 #include "beutil.h"
-#include "bearch.h"
+#include "bearch_t.h"
 #include "bespillbelady.h"
 #include "beuses_t.h"
 #include "besched_t.h"
@@ -445,7 +445,7 @@ static void compute_live_ins(ir_node *block, void *data) {
        }
 
        pressure            = be_get_loop_pressure(env->loop_ana, env->cls, loop);
-       assert(ARR_LEN(delayed) <= pressure);
+       assert(ARR_LEN(delayed) <= (signed)pressure);
        free_slots          = env->n_regs - ARR_LEN(starters);
        free_pressure_slots = env->n_regs - (pressure - ARR_LEN(delayed));
        free_slots          = MIN(free_slots, free_pressure_slots);
@@ -666,7 +666,15 @@ next_value:
        }
 }
 
-void be_spill_belady(be_irg_t *birg, const arch_register_class_t *cls) {
+/**
+ * Do spilling for a register class on a graph using the belady heuristic.
+ * In the transformed graph, the register pressure never exceeds the number
+ * of available registers.
+ *
+ * @param birg  The backend graph
+ * @param cls   The register class to spill
+ */
+static void be_spill_belady(be_irg_t *birg, const arch_register_class_t *cls) {
        be_spill_belady_spill_env(birg, cls, NULL);
 }