X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbespill.h;h=79c82cec3fe791972e2c781e23cee39f0a317596;hb=3dc176702165e8a201aad7ec1adefe28c3df7e07;hp=d29dfe32b6dfba1bfba24257f5c71b6193235ee9;hpb=152a8f1c6542fa3f0d83058efe1e8767f0dd0319;p=libfirm

diff --git a/ir/be/bespill.h b/ir/be/bespill.h
index d29dfe32b..79c82cec3 100644
--- a/ir/be/bespill.h
+++ b/ir/be/bespill.h
@@ -1,5 +1,5 @@
 /**
- * Author:      Daniel Grund
+ * Author:      Daniel Grund, Sebastian Hack
  * Date:		29.09.2005
  * Copyright:   (c) Universitaet Karlsruhe
  * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
@@ -8,28 +8,58 @@
 #ifndef BESPILL_H_
 #define BESPILL_H_
 
+#include "firm_types.h"
 #include "set.h"
 #include "pset.h"
-#include "irnode.h"
 #include "debug.h"
 
+#include "bechordal.h"
 #include "be_t.h"
 
 #include "bearch.h"
 
 typedef struct _spill_env_t spill_env_t;
 
-spill_env_t *be_new_spill_env(
-		firm_dbg_module_t *dbg,
-		const be_main_session_env_t *session,
-		const arch_register_class_t *cls);
+/**
+ * Creates a new spill environment.
+ *
+ * @param chordal
+ */
+spill_env_t *be_new_spill_env(const be_chordal_env_t *chordal);
 
+/**
+ * Deletes a spill environment.
+ */
 void be_delete_spill_env(spill_env_t *senv);
 
-void be_add_spill(spill_env_t *senv, ir_node *to_spill, ir_node *before);
+void be_add_reload(spill_env_t *senv, ir_node *to_spill, ir_node *before);
+
+void be_add_reload_on_edge(spill_env_t *senv, ir_node *to_spill, ir_node *bl, int pos);
+
+void be_insert_spills_reloads(spill_env_t *senv);
+
+/**
+ * Marks a phi-node for spilling. So when reloading from this phi-node, not
+ * only its value but the whole phi will be spilled.
+ * This might place be_Copy nodes in predecessor blocks.
+ */
+void be_spill_phi(spill_env_t *env, ir_node *node);
+
+/**
+ * Places the necessary copies for the spilled phis in the graph
+ * This has to be done once before be_insert_spill_reloads, after
+ * all phis to spill have been marked with be_spill_phi.
+ */
+void be_place_copies(spill_env_t *env);
 
-void be_add_spill_on_edge(spill_env_t *senv, ir_node *to_spill, ir_node *bl, int pos);
+/**
+ * Computes the spill offsets for all spill nodes in the irg
+ */
+void be_compute_spill_offsets(be_chordal_env_t *cenv);
 
-void be_insert_spills_reloads(spill_env_t *senv, pset *mem_phis, pset *reload_set);
+/**
+ * Sets the debug module of a spill environment.
+ */
+DEBUG_ONLY(void be_set_spill_env_dbg_module(spill_env_t *env, firm_dbg_module_t *dbg));
 
-#endif /*BESPILL_H_*/
+#endif /* BESPILL_H_ */