diff --git a/src/cmd/5g/gg.h b/src/cmd/5g/gg.h
index 603c09fc8a..ce4575be95 100644
--- a/src/cmd/5g/gg.h
+++ b/src/cmd/5g/gg.h
@@ -27,6 +27,7 @@ struct	Addr
 	uchar	type;
 	char	name;
 	char	reg;
+	char pun;
 	uchar	etype;
 };
 #define	A	((Addr*)0)
diff --git a/src/cmd/5g/gsubr.c b/src/cmd/5g/gsubr.c
index 133a21b3e8..83a9949d6c 100644
--- a/src/cmd/5g/gsubr.c
+++ b/src/cmd/5g/gsubr.c
@@ -1168,6 +1168,7 @@ naddr(Node *n, Addr *a, int canemitcode)
 			a->etype = simtype[n->type->etype];
 			a->width = n->type->width;
 		}
+		a->pun = n->pun;
 		a->offset = n->xoffset;
 		a->sym = n->sym;
 		if(a->sym == S)
diff --git a/src/cmd/5g/reg.c b/src/cmd/5g/reg.c
index f31f70535e..1cbeb3e3de 100644
--- a/src/cmd/5g/reg.c
+++ b/src/cmd/5g/reg.c
@@ -697,8 +697,8 @@ mkvar(Reg *r, Adr *a)
 	n = D_NONE;
 
 	flag = 0;
-//	if(a->pun)
-//		flag = 1;
+	if(a->pun)
+		flag = 1;
 
 	switch(t) {
 	default: