--- gcc/config/a29kunix.h	2018/04/24 17:51:34	1.1.1.1
+++ gcc/config/a29kunix.h	2018/04/24 17:59:15	1.1.1.2
@@ -48,3 +48,16 @@ the Free Software Foundation, 675 Mass A
 
 #undef BIGGEST_ALIGNMENT
 #define BIGGEST_ALIGNMENT 64
+
+#if 0 /* This would be needed except that the 29k doesn't have strict
+	 alignment requirements.  */
+
+#define FUNCTION_ARG_BOUNDARY(MODE, TYPE)				\
+  (((TYPE) != 0)							\
+	? ((TYPE_ALIGN(TYPE) <= PARM_BOUNDARY)				\
+		? PARM_BOUNDARY						\
+		: TYPE_ALIGN(TYPE))					\
+	: ((GET_MODE_ALIGNMENT(MODE) <= PARM_BOUNDARY)			\
+		? PARM_BOUNDARY						\
+		: GET_MODE_ALIGNMENT(MODE)))
+#endif