Fixed warnings

[libfirm] / ir / ir / iredges.c

diff --git a/ir/ir/iredges.c b/ir/ir/iredges.c
index 1140f23..0195480 100644 (file)
--- a/ir/ir/iredges.c
+++ b/ir/ir/iredges.c
@@ -1,21 +1,32 @@
 /*
- * Project:     libFIRM
- * File name:   ir/ir/iredges.c
- * Purpose:     Always available outs.
- * Author:      Sebastian Hack
- * Modified by: Michael Beck, Andreas Schoesser
- * Created:     14.1.2005
- * CVS-ID:      $Id$
- * Copyright:   (c) 1998-2006 Universität 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.
  */
 
 /**
- * Always available outs.
- * @author Sebastian Hack
- * @date 14.1.2005
+ * @file
+ * @brief   Always available outs.
+ * @author  Sebastian Hack, Michael Beck, Andreas Schoesser
+ * @date    14.1.2005
+ * @version $Id$
+ * @summary
+ *   This are out-edges (also called def-use edges) that are dynamically
+ *   updated as the graph changes.
  */
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -34,10 +45,10 @@
 #include "xmalloc.h"
 
 /**
-* A function that allows for setting an edge.
-* This abstraction is necessary since different edge kind have
-* different methods of setting edges.
-*/
+ * A function that allows for setting an edge.
+ * This abstraction is necessary since different edge kind have
+ * different methods of setting edges.
+ */
 typedef void (set_edge_func_t)(ir_node *src, int pos, ir_node *tgt);
 
 typedef int (get_edge_src_arity_func_t)(const ir_node *src);
@@ -47,8 +58,8 @@ typedef int (get_edge_src_first_func_t)(const ir_node *src);
 typedef ir_node *(get_edge_src_n_func_t)(const ir_node *src, int pos);
 
 /**
-* Additional data for an edge kind.
-*/
+ * Additional data for an edge kind.
+ */
 typedef struct {
        const char                *name;
        set_edge_func_t           *set_edge;
@@ -59,6 +70,7 @@ typedef struct {
 
 static int get_zero(const ir_node *irn)
 {
+       (void) irn;
        return 0;
 }
 
@@ -158,6 +170,7 @@ static int edge_cmp(const void *p1, const void *p2, size_t len)
 {
        const ir_edge_t *e1 = p1;
        const ir_edge_t *e2 = p2;
+       (void) len;
 
        if(e1->src != e2->src)
                return 1;
@@ -250,7 +263,7 @@ static INLINE void vrfy_list_head(ir_node *irn, ir_edge_kind_t kind) {
                        fprintf(stderr, "- at list entry %d\n", num);
                        if (edge->invalid)
                                fprintf(stderr, "- edge(%ld) is invalid\n", edge_get_id(edge));
-                       if (edge->src);
+                       if (edge->src)
                                ir_fprintf(stderr, "- edge(%ld) %+F(%d)\n", edge_get_id(edge), edge->src, edge->pos);
                        err = 1;
                        break;
@@ -641,6 +654,7 @@ static void clear_links(ir_node *irn, void *env) {
 static void count_user(ir_node *irn, void *env) {
        int i;
        int first;
+       (void) env;
 
        first = get_irn_first(irn);
        for (i = get_irn_arity(irn) - 1; i >= first; --i) {
@@ -705,7 +719,7 @@ static void verify_edge_counter(ir_node *irn, void *env) {
                ir_fprintf(stderr, "Edge Verifier: %+F reachable by %d node(s), but the list contains %d edge(s)\n",
                        irn, ref_cnt, list_cnt);
 
-               // Matze: buggy if a node has multiple ins pointing at irn
+               /* Matze: buggy if a node has multiple ins pointing at irn */
 #if 0
                list_for_each(pos, head) {
                        ir_edge_t *edge = list_entry(pos, ir_edge_t, list);