--- a/gcc/config/stormy16/stormy16.h	Fri Oct 27 22:46:09 2017 +0900
+++ b/gcc/config/stormy16/stormy16.h	Thu Oct 25 07:37:49 2018 +0900
@@ -1,5 +1,5 @@
 /* Xstormy16 cpu description.
-   Copyright (C) 1997-2017 Free Software Foundation, Inc.
+   Copyright (C) 1997-2018 Free Software Foundation, Inc.
    Contributed by Red Hat, Inc.
 
    This file is part of GCC.
@@ -228,6 +228,7 @@
 
 #define INCOMING_FRAME_SP_OFFSET (xstormy16_interrupt_function_p () ? -6 : -4)
 
+#define DEFAULT_INCOMING_FRAME_SP_OFFSET -4
 
 /* Register That Address the Stack Frame.  */
 
@@ -255,7 +256,7 @@
 
 /* Passing Function Arguments on the Stack.  */
 
-#define PUSH_ROUNDING(BYTES) (((BYTES) + 1) & ~1)
+#define PUSH_ROUNDING(BYTES) xstormy16_push_rounding (BYTES)
 
 
 /* Function Arguments in Registers.  */
@@ -446,7 +447,7 @@
 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
 
 
-/* Macros for SDB and Dwarf Output.  */
+/* Macros for Dwarf Output.  */
 
 /* Define this macro if addresses in Dwarf 2 debugging info should not
    be the same size as pointers on the target architecture.  The
@@ -475,5 +476,3 @@
 #define Pmode HImode
 
 #define FUNCTION_MODE HImode
-
-#define NO_IMPLICIT_EXTERN_C