removed unused header

[libfirm] / ir / be / becopyopt.c

diff --git a/ir/be/becopyopt.c b/ir/be/becopyopt.c
index eecc976..8464541 100644 (file)
--- a/ir/be/becopyopt.c
+++ b/ir/be/becopyopt.c
@@ -1,8 +1,33 @@
+/*
+ * 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.
+ */
+
 /**
- * Author:      Daniel Grund
- * Date:               12.04.2005
- * Copyright:   (c) Universitaet Karlsruhe
- * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ * @file
+ * @brief       Copy minimization driver.
+ * @author      Daniel Grund
+ * @date        12.04.2005
+ * @version     $Id$
+ *
+ * Main file for the optimization reducing the copies needed for:
+ * - Phi coalescing
+ * - Register-constrained nodes
+ * - Two-address code instructions
  */
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -38,6 +63,7 @@
 #include "bestatevent.h"
 #include "beirg_t.h"
 #include "error.h"
+#include "bera.h"
 
 #include <libcore/lc_timing.h>
 #include <libcore/lc_opts.h>
@@ -56,7 +82,7 @@ static unsigned   dump_flags  = 0;
 static unsigned   style_flags = 0;
 static unsigned   do_stats    = 0;
 static cost_fct_t cost_func   = co_get_costs_exec_freq;
-static unsigned   algo        = CO_ALGO_HEUR;
+static unsigned   algo        = CO_ALGO_HEUR4;
 static int        improve     = 1;
 
 static const lc_opt_enum_mask_items_t dump_items[] = {