Index: regparse.h
===================================================================
--- regparse.h	(revision 53001)
+++ regparse.h	(working copy)
@@ -67,12 +67,11 @@
                        BIT_NT_CANY | BIT_NT_BREF)) != 0)
 
 #define NTYPE(node)             ((node)->u.base.type)
-#define SET_NTYPE(node, ntype) \
-    do { \
-	int value = ntype; \
-	memcpy(&((node)->u.base.type), &value, sizeof(int)); \
-    } while (0)
-
+#ifdef __ibmxl__
+   #define SET_NTYPE(node, ntype)  {int value = ntype; memcpy(&((node)->u.base.type), &value, sizeof((node)->u.base.type));}
+ #else
+   #define SET_NTYPE(node, ntype)   (node)->u.base.type = (ntype)
+ #endif
 #define NSTR(node)         (&((node)->u.str))
 #define NCCLASS(node)      (&((node)->u.cclass))
 #define NCTYPE(node)       (&((node)->u.ctype))