fpaStf is now Proj less

[libfirm] / ir / lower / lower_dw.c

diff --git a/ir/lower/lower_dw.c b/ir/lower/lower_dw.c
index 777e24f..25d9d68 100644 (file)
--- a/ir/lower/lower_dw.c
+++ b/ir/lower/lower_dw.c
@@ -1,23 +1,33 @@
 /*
- * Project:     libFIRM
- * File name:   ir/lower/lower_dw.c
- * Purpose:     Lower Double word operations, ie Mode L -> I.
- * Author:      Michael Beck
- * Created:     8.10.2004
- * 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.
+ */
+
+/**
+ * @file
+ * @brief   Lower Double word operations, ie 64bit -> 32bit, 32bit -> 16bit etc.
+ * @date    8.10.2004
+ * @author  Michael Beck
+ * @version $Id$
  */
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
 
-#ifdef HAVE_MALLOC_H
-# include <malloc.h>
-#endif
-#ifdef HAVE_ALLOCA_H
-# include <alloca.h>
-#endif
 #ifdef HAVE_STRING_H
 # include <string.h>
 #endif
@@ -27,6 +37,7 @@
 
 #include <assert.h>
 
+#include "lowering.h"
 #include "irnode_t.h"
 #include "irgraph_t.h"
 #include "irmode_t.h"
@@ -39,7 +50,6 @@
 #include "firmstat.h"
 #include "irgwalk.h"
 #include "ircons.h"
-#include "lower_dw.h"
 #include "irflag.h"
 #include "irtools.h"
 #include "debug.h"
@@ -47,6 +57,7 @@
 #include "pmap.h"
 #include "pdeq.h"
 #include "irdump.h"
+#include "xmalloc.h"
 
 /** A map from mode to a primitive type. */
 static pmap *prim_types;
@@ -1520,6 +1531,12 @@ static void lower_Conv_from_Ls(ir_node *node, lower_env_t *env) {
 
        assert(idx < env->n_entries);
 
+       if (! env->entries[idx]->low_word) {
+               /* not ready yet, wait */
+               pdeq_putr(env->waitq, node);
+               return;
+       }  /* if */
+
        if (mode_is_int(omode) || mode_is_reference(omode)) {
                op = env->entries[idx]->low_word;
 
@@ -1558,6 +1575,12 @@ static void lower_Conv_from_Lu(ir_node *node, lower_env_t *env) {
 
        assert(idx < env->n_entries);
 
+       if (! env->entries[idx]->low_word) {
+               /* not ready yet, wait */
+               pdeq_putr(env->waitq, node);
+               return;
+       }  /* if */
+
        if (mode_is_int(omode) || mode_is_reference(omode)) {
                op = env->entries[idx]->low_word;