X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbelower.h;h=e73961661c4e3e37555cf3e179cced8fc77a5c9a;hb=9c456297552bb20d04e2fe76fd4a712afa8aa63f;hp=bfbc15bdb45e1827fb965dc8e03879f7f262af2a;hpb=6aa46484be1dc63021ade76137a88ad8281e049f;p=libfirm

diff --git a/ir/be/belower.h b/ir/be/belower.h
index bfbc15bdb..e73961661 100644
--- a/ir/be/belower.h
+++ b/ir/be/belower.h
@@ -1,16 +1,48 @@
+/*
+ * 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.
+ */
+
 /**
- * Chordal register allocation.
- * @author Christian Wuerdig
- * @date 2005/12/14
- * @cvsid $Id$
+ * @file
+ * @brief       Performs lowering of perm nodes. Inserts copies to assure
+ *              register constraints.
+ * @author      Christian Wuerdig
+ * @date        14.12.2005
  */
+#ifndef FIRM_BE_BELOWER_H
+#define FIRM_BE_BELOWER_H
 
-#ifndef _BELOWER_H_
-#define _BELOWER_H_
+#include "firm_types.h"
 
-#include "bechordal.h"
+/**
+ * Walks over all nodes to assure register constraints.
+ *
+ * @param irg  The graph
+ */
+void assure_constraints(ir_graph *irg);
 
-void lower_nodes_before_ra(be_chordal_env_t *chord_env, int do_copy);
-void lower_nodes_after_ra(be_chordal_env_t *chord_env, int do_copy);
+/**
+ * Walks over all blocks in an irg and performs lowering need to be
+ * done after register allocation (e.g. perm lowering).
+ *
+ * @param irg       The graph
+ * @param do_copy   1 == resolve cycles with a free reg if available
+ */
+void lower_nodes_after_ra(ir_graph *irg, int do_copy);
 
-#endif /* _BELOWER_H_ */
+#endif