array: Add and use NEW_ARR_DZ().

[libfirm] / ir / be / bespillslots.h

diff --git a/ir/be/bespillslots.h b/ir/be/bespillslots.h
index 65e8419..7a251f8 100644 (file)
--- a/ir/be/bespillslots.h
+++ b/ir/be/bespillslots.h
@@ -1,17 +1,65 @@
 /*
- * Author:      Matthias Braun
- * Date:               27.7.2006
- * Copyright:   (c) Universitaet Karlsruhe
- * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
  */
-#ifndef BESPILLSLOTS_H_
-#define BESPILLSLOTS_H_
 
-#include "bechordal.h"
+/**
+ * @file
+ * @brief       Spillslot coalescer.
+ * @author      Matthias Braun
+ * @date        27.07.2006
+ */
+#ifndef FIRM_BE_BESPILLSLOTS_H
+#define FIRM_BE_BESPILLSLOTS_H
+
+#include <stdbool.h>
+
+typedef struct be_fec_env_t be_fec_env_t;
+
+/**
+ * Initializes a new frame entity coalescer environment
+ */
+be_fec_env_t *be_new_frame_entity_coalescer(ir_graph *irg);
+
+/**
+ * Frees a frame entity coalescer environment
+ */
+void be_free_frame_entity_coalescer(be_fec_env_t *env);
+
+/**
+ * Adds a node that needs a frame entity and consumes memory (Reload nodes). The
+ * memory edges are followed to find memory-phis and the entities that produce
+ * the memory values.
+ *
+ * @param env   The frame entity coalescer environment
+ * @param node  The node that uses the frame entity
+ * @param mode  The mode of the needed spillslot
+ * @param align The alignment of the needed spillslot
+ */
+void be_node_needs_frame_entity(be_fec_env_t *env, ir_node *node,
+                                const ir_mode *mode, int alignment);
+
+typedef void (*set_frame_entity_func)(ir_node *node, ir_entity *entity);
 
 /**
- * Computes the spill offsets for all spill nodes in the irg
+ * Assigned frame entities to all the nodes added by be_node_needs_frame_entity.
+ * Adds memory perms where needed.
  */
-void be_coalesce_spillslots(const be_chordal_env_t *chordal_env, int coalesce_spillslots);
+void be_assign_entities(be_fec_env_t *env, set_frame_entity_func set_frame,
+                        bool alloc_entities_at_begin);
 
 #endif