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 018e8b6..25d9d68 100644 (file)
--- a/ir/lower/lower_dw.c
+++ b/ir/lower/lower_dw.c
@@ -17,14 +17,12 @@
  * PURPOSE.
  */
 
-/*
- * 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
+/**
+ * @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"
@@ -39,6 +37,7 @@
 
 #include <assert.h>
 
+#include "lowering.h"
 #include "irnode_t.h"
 #include "irgraph_t.h"
 #include "irmode_t.h"
@@ -51,7 +50,6 @@
 #include "firmstat.h"
 #include "irgwalk.h"
 #include "ircons.h"
-#include "lower_dw.h"
 #include "irflag.h"
 #include "irtools.h"
 #include "debug.h"
@@ -1533,6 +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;
 
@@ -1571,6 +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;