diff --git a/src/cmd/gc/pgen.c b/src/cmd/gc/pgen.c
index 9bd845dde4..7917ea29cc 100644
--- a/src/cmd/gc/pgen.c
+++ b/src/cmd/gc/pgen.c
@@ -2,10 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-#undef	EXTERN
-#define	EXTERN
-#include "gg.h"
-#include "opt.h"
+#include	"gg.h"
+#include	"opt.h"
 
 void
 compile(Node *fn)
diff --git a/src/cmd/gc/print.c b/src/cmd/gc/print.c
index e03a140801..e88e0f844e 100644
--- a/src/cmd/gc/print.c
+++ b/src/cmd/gc/print.c
@@ -134,6 +134,10 @@ exprfmt(Fmt *f, Node *n, int prec)
 		fmtprint(f, "(node %O)", n->op);
 		break;
 
+	case OREGISTER:
+		fmtprint(f, "%R", n->val.u.reg);
+		break;
+
 	case OLITERAL:
 		if(n->sym != S) {
 			fmtprint(f, "%S", n->sym);