Fixed some 64bit warnings by using size_t and fixing compare functions.

[r28196]

ir/be/beabi.c

 /*
- * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2010 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -1193,7 +1193,7 @@ static int cmp_regs(const void *a, const void *b)
 	if (p->reg->reg_class == q->reg->reg_class)
 		return p->reg->index - q->reg->index;
 	else
-		return p->reg->reg_class - q->reg->reg_class;
+		return p->reg->reg_class < q->reg->reg_class ? -1 : +1;
 }
 
 static void reg_map_to_arr(reg_node_map_t *res, pmap *reg_map)

ir/debug/debugger.c

 /*
- * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2010 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -933,7 +933,7 @@ static struct lexer {
 	unsigned cur_token;   /**< current token. */
 	unsigned number;      /**< current token attribute. */
 	const char *s;        /**< current token attribute. */
-	unsigned len;         /**< current token attribute. */
+	size_t len;           /**< current token attribute. */
 
 	const char *curr_pos;
 	const char *end_pos;
@@ -1052,7 +1052,7 @@ static unsigned get_token(void)
 void firm_debug(const char *cmd)
 {
 	char name[1024], fname[1024];
-	int len;
+	size_t len;
 
 	init_lexer(cmd);
 

ir/libcore/lc_printf.c

@@ -387,7 +387,7 @@ int lc_evpprintf(const lc_arg_env_t *env, lc_appendable_t *app, const char *fmt,
 					for (ch = *s; ch != '}' && ch != '\0'; ch = *++s);
 
 					if (s - named) {
-						int n = s - named;
+						size_t n = s - named;
 						char *name;
 						lc_arg_t tmp;
 

ir/lower/lower_dw.c

@@ -1992,7 +1992,7 @@ static int cmp_op_mode(const void *elt, const void *key, size_t size)
 	const op_mode_entry_t *e2 = (const op_mode_entry_t*)key;
 	(void) size;
 
-	return (e1->op - e2->op) | (e1->imode - e2->imode) | (e1->omode - e2->omode);
+	return (e1->op != e2->op) | (e1->imode != e2->imode) | (e1->omode != e2->omode);
 }
 
 /**
@@ -2004,7 +2004,7 @@ static int cmp_conv_tp(const void *elt, const void *key, size_t size)
 	const conv_tp_entry_t *e2 = (const conv_tp_entry_t*)key;
 	(void) size;
 
-	return (e1->imode - e2->imode) | (e1->omode - e2->omode);
+	return (e1->imode != e2->imode) | (e1->omode != e2->omode);
 }
 
 /**

ir/stat/distrib.c

 /*
- * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2010 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -54,7 +54,9 @@ static int int_cmp_fun(const void *elt, const void *key)
 	const distrib_entry_t *p1 = (const distrib_entry_t*)elt;
 	const distrib_entry_t *p2 = (const distrib_entry_t*)key;
 
-	return (char *)p1->object - (char *)p2->object;
+	if (p1->object == p2->object)
+		return 0;
+	return p1->object < p2->object ? -1 : 1;
 }
 
 /*

ir/stat/firmstat.c

 /*
- * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2010 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -2134,7 +2134,7 @@ void stat_dump_snapshot(const char *name, const char *phase)
 {
 	char fname[2048];
 	const char *p;
-	int l;
+	size_t l;
 
 	if (! status->stat_options)
 		return;