X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbenodesets.c;h=096fb5a98b2eca3ece5972acff0bb2abda309bc7;hb=8cb8fe7d9d69a9bd06365823d5d5f68d051f6db0;hp=fc1468a0335e3e93655564c0fe29f015ff31c5da;hpb=541e0cd09d305f5c3561c34a8a6a089b96598b18;p=libfirm

diff --git a/ir/be/benodesets.c b/ir/be/benodesets.c
index fc1468a03..096fb5a98 100644
--- a/ir/be/benodesets.c
+++ b/ir/be/benodesets.c
@@ -1,3 +1,35 @@
+/*
+ * Copyright (C) 1995-2007 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.
+ */
+
+/**
+ * @file
+ * @brief       A lightweight wrapper around pset to store IR nodes.
+ * @author      Michael Beck
+ * @version     $Id$
+ *
+ * In some algorithms we want a more deterministic behavior
+ * which the pset_ptr did not guarantee due to it's hash function
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include "benodesets.h"
 #include "irnode_t.h"
 
@@ -6,6 +38,6 @@
  *
  * Use its node number
  */
-unsigned nodeset_hash(ir_node *n) {
+unsigned nodeset_hash(const ir_node *n) {
 	return (unsigned)get_irn_idx(n);
 }