diff --git a/gcc/ginclude/stdarg.h b/gcc/ginclude/stdarg.h
index 3b3fdf5cc7fc..adb22fb9ee55 100644
--- a/gcc/ginclude/stdarg.h
+++ b/gcc/ginclude/stdarg.h
@@ -41,6 +41,9 @@
 #if defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32))
 #include "va-ppc.h"
 #else
+#ifdef __M32R__
+#include "va-m32r.h"
+#else
 #ifdef __sh__
 #include "va-sh.h"
 #else
@@ -105,6 +108,7 @@ void va_end (__gnuc_va_list);		/* Defined in libgcc.a */
 
 #endif /* not mn10300 */
 #endif /* not sh */
+#endif /* not m32r */
 #endif /* not powerpc with V.4 calling sequence */
 #endif /* not h8300 */
 #endif /* not alpha */
diff --git a/gcc/ginclude/varargs.h b/gcc/ginclude/varargs.h
index c8fa2059debc..3630cc007c26 100644
--- a/gcc/ginclude/varargs.h
+++ b/gcc/ginclude/varargs.h
@@ -39,6 +39,9 @@
 #if defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32))
 #include "va-ppc.h"
 #else
+#ifdef __M32R__
+#include "va-m32r.h"
+#else
 #ifdef __sh__
 #include "va-sh.h"
 #else
@@ -122,6 +125,7 @@ typedef void *__gnuc_va_list;
 
 #endif /* not mn10300 */
 #endif /* not sh */
+#endif /* not m32r */
 #endif /* not powerpc with V.4 calling sequence */
 #endif /* not h8300 */
 #endif /* not alpha */