INT_TO_PTR() and PTR_TO_INT() macros added

[r6551]

diff --git a/ir/common/irtools.h b/ir/common/irtools.h
index 279ab8f..660b83e 100644 (file)
--- a/ir/common/irtools.h
+++ b/ir/common/irtools.h
@@ -14,6 +14,16 @@
 
 #include "irnode.h"
 
+/**
+ * convert an integer into pointer
+ */
+#define INT_TO_PTR(v)   ((void *)((char *)0 + (v)))
+
+/**
+ * convert a pointer into an integer
+ */
+#define PTR_TO_INT(v)   ((int)((char *)(v) - (char *)0))
+
 /**
  * The famous clear_link() walker-function.
  * Do not implement it by yourself, use this one