no environment anymore for emitters

[libfirm] / ir / be / becopyilp2.c

diff --git a/ir/be/becopyilp2.c b/ir/be/becopyilp2.c
index a97d40d..d6d4b75 100644 (file)
--- a/ir/be/becopyilp2.c
+++ b/ir/be/becopyilp2.c
@@ -1,9 +1,28 @@
-/**
- * Author:      Daniel Grund
- * Date:               28.02.2006
- * Copyright:   (c) Universitaet Karlsruhe
- * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+/*
+ * 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       ILP based copy minimization.
+ * @author      Daniel Grund
+ * @date        28.02.2006
+ * @version     $Id$
  *
  * ILP formalization using G=(V, E, Q):
  *  - 2 class of variables: coloring vars x_ic   and   equal color vars y_ij
@@ -25,11 +44,12 @@
  *
  *             x_nc, y_ij \in N,   w_ij \in R^+
  */
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif /* HAVE_CONFIG_H */
 
+#include "firm_config.h"
+
 #ifdef WITH_ILP
 
 #include "bitset.h"
@@ -63,7 +83,8 @@ static void build_coloring_cstr(ilp_env_t *ienv) {
 
        be_ifg_foreach_node(ifg, iter, irn)
                if (!sr_is_removed(ienv->sr, irn)) {
-                       int col, cst_idx;
+                       bitset_pos_t col;
+                       int cst_idx;
                        const arch_register_req_t *req;
                        int curr_node_color = get_irn_col(ienv->co, irn);
                        int node_nr = (int)get_irn_node_nr(irn);
@@ -86,7 +107,7 @@ static void build_coloring_cstr(ilp_env_t *ienv) {
 
                        bitset_foreach(colors, col) {
                                int var_idx = lpp_add_var(ienv->lp, name_cdd(buf, 'x', node_nr, col), lpp_binary, 0.0);
-                               lpp_set_start_value(ienv->lp, var_idx, (col == curr_node_color) ? 1.0 : 0.0);
+                               lpp_set_start_value(ienv->lp, var_idx, (col == (unsigned) curr_node_color) ? 1.0 : 0.0);
                                lpp_set_factor_fast(ienv->lp, cst_idx, var_idx, 1);
 
                                lenv->last_x_var = var_idx;
@@ -200,6 +221,7 @@ typedef struct _edge_t {
 static int compare_edge_t(const void *k1, const void *k2, size_t size) {
        const edge_t *e1 = k1;
        const edge_t *e2 = k2;
+       (void) size;
 
        return ! (e1->n1 == e2->n1   &&   e1->n2 == e2->n2);
 }