--- a/gcc/common/config/sh/sh-common.c	Thu Oct 25 07:37:49 2018 +0900
+++ b/gcc/common/config/sh/sh-common.c	Thu Feb 13 11:34:05 2020 +0900
@@ -1,5 +1,5 @@
 /* Common hooks for Renesas / SuperH SH.
-   Copyright (C) 1993-2018 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -25,13 +25,13 @@
 #include "common/common-target-def.h"
 #include "opts.h"
 #include "flags.h"
-#include "params.h"
 
 /* Set default optimization options.  */
 static const struct default_options sh_option_optimization_table[] =
   {
     { OPT_LEVELS_SIZE, OPT_mdiv_, SH_DIV_STR_FOR_SIZE, 1 },
     { OPT_LEVELS_0_ONLY, OPT_mdiv_, "", 1 },
+    { OPT_LEVELS_ALL, OPT__param_simultaneous_prefetches_, NULL, 2 },
     { OPT_LEVELS_NONE, 0, NULL, 0 }
   };
 
@@ -145,17 +145,8 @@
     }
 }
 
-/* Implement TARGET_OPTION_DEFAULT_PARAMS.  */
-static void
-sh_option_default_params (void)
-{
-  set_default_param_value (PARAM_SIMULTANEOUS_PREFETCHES, 2);
-}
-
 #undef TARGET_OPTION_OPTIMIZATION_TABLE
 #define TARGET_OPTION_OPTIMIZATION_TABLE sh_option_optimization_table
-#undef TARGET_OPTION_DEFAULT_PARAMS
-#define TARGET_OPTION_DEFAULT_PARAMS sh_option_default_params
 #undef TARGET_DEFAULT_TARGET_FLAGS
 #define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT
 #undef TARGET_HANDLE_OPTION