X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Ftr%2Ftypegmod.c;h=6d2d8da67a89443b6ffc4eceecc14d3b076bda50;hb=a748501db974593cc1ddd3955c1663340c5af353;hp=4a44ef97ee9ef524c4f72627cefd2b235e6eee7a;hpb=2da89aec2e7d54d70940cccfa82f74c83e5221eb;p=libfirm

diff --git a/ir/tr/typegmod.c b/ir/tr/typegmod.c
index 4a44ef97e..6d2d8da67 100644
--- a/ir/tr/typegmod.c
+++ b/ir/tr/typegmod.c
@@ -1,17 +1,25 @@
-/* Copyright (C) 2001 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Goetz Lindenmaier
-**
-*/
+/*
+ * Project:     libFIRM
+ * File name:   ir/tr/typegmod.c
+ * Purpose:     Functionality to modify the type graph.
+ * Author:      Goetz Lindenmaier
+ * Modified by: Michael Beck
+ * Created:
+ * CVS-ID:      $Id$
+ * Copyright:   (c) 2001-2006 Universität Karlsruhe
+ * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
-# include "typegmod_t.h"
-# include "type_t.h"
-# include "tpop_t.h"
-# include "irmode.h"
+#include "typegmod.h"
+#include "type_t.h"
+#include "tpop_t.h"
+#include "irmode.h"
 
-inline void exchange_types(type *old_type, type *new_type) {
-  int i;
+void exchange_types(ir_type *old_type, ir_type *new_type) {
+  unsigned flags = old_type->flags & (tf_frame_type | tf_value_param_type | tf_global_type | tf_tls_type);
   /* Deallocate datastructures not directly contained in the
      old type.  We must do this now as it is the latest point
      where we know the original kind of type.
@@ -25,18 +33,22 @@ inline void exchange_types(type *old_type, type *new_type) {
        Maybe it's better to remove the id entry and shrink the list.
        Does this conflict with the walker?  Might a type be left out
        during the walk?
-     * Deallocation:  if the Id is removed from the list it will eventualle
+     * Deallocation:  if the Id is removed from the list it will eventually
        disappear in a memory leak.  When is impossible to determine so we
-       need to hold it in a seperate list for deallocation.
+       need to hold it in a separate list for deallocation.
   */
 
   /* Exchange the types */
   old_type->type_op = type_id;
   old_type->mode = (ir_mode *) new_type;
+  /* ensure that the frame, value param, global and tls flags
+     are set right if these types are exchanged */
+  new_type->flags |= flags;
 }
 
-inline type *skip_tid(type *tp) {
+ir_type *skip_tid(ir_type *tp) {
+  /* @@@ implement the self cycle killing trick of skip_id(ir_node *) */
   while (tp->type_op == type_id)
-    tp = (type *) tp->mode;
+    tp = (ir_type *) tp->mode;
   return tp;
 }