--- a/gcc/builtins.h	Sun Aug 21 07:07:55 2011 +0900
+++ b/gcc/builtins.h	Fri Oct 27 22:46:09 2017 +0900
@@ -1,7 +1,5 @@
 /* Expand builtin functions.
-   Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
-   Free Software Foundation, Inc.
+   Copyright (C) 1988-2017 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -22,6 +20,8 @@
 #ifndef GCC_BUILTINS_H
 #define GCC_BUILTINS_H
 
+#include <mpc.h>
+
 /* Target-dependent globals.  */
 struct target_builtins {
   /* For each register that may be used for calling a function, this
@@ -29,21 +29,77 @@
      the register is not used for calling a function.  If the machine
      has register windows, this gives only the outbound registers.
      INCOMING_REGNO gives the corresponding inbound register.  */
-  enum machine_mode x_apply_args_mode[FIRST_PSEUDO_REGISTER];
+  machine_mode x_apply_args_mode[FIRST_PSEUDO_REGISTER];
 
   /* For each register that may be used for returning values, this gives
      a mode used to copy the register's value.  VOIDmode indicates the
      register is not used for returning values.  If the machine has
      register windows, this gives only the outbound registers.
      INCOMING_REGNO gives the corresponding inbound register.  */
-  enum machine_mode x_apply_result_mode[FIRST_PSEUDO_REGISTER];
+  machine_mode x_apply_result_mode[FIRST_PSEUDO_REGISTER];
 };
 
-extern GTY(()) struct target_builtins default_target_builtins;
+extern struct target_builtins default_target_builtins;
 #if SWITCHABLE_TARGET
 extern struct target_builtins *this_target_builtins;
 #else
 #define this_target_builtins (&default_target_builtins)
 #endif
 
+/* Non-zero if __builtin_constant_p should be folded right away.  */
+extern bool force_folding_builtin_constant_p;
+
+extern bool is_builtin_fn (tree);
+extern bool called_as_built_in (tree);
+extern bool get_object_alignment_1 (tree, unsigned int *,
+				    unsigned HOST_WIDE_INT *);
+extern unsigned int get_object_alignment (tree);
+extern bool get_pointer_alignment_1 (tree, unsigned int *,
+				     unsigned HOST_WIDE_INT *);
+extern unsigned int get_pointer_alignment (tree);
+extern tree c_strlen (tree, int);
+extern void expand_builtin_setjmp_setup (rtx, rtx);
+extern void expand_builtin_setjmp_receiver (rtx);
+extern void expand_builtin_update_setjmp_buf (rtx);
+extern tree mathfn_built_in (tree, enum built_in_function fn);
+extern tree mathfn_built_in (tree, combined_fn);
+extern rtx builtin_strncpy_read_str (void *, HOST_WIDE_INT, scalar_int_mode);
+extern rtx builtin_memset_read_str (void *, HOST_WIDE_INT, scalar_int_mode);
+extern rtx expand_builtin_saveregs (void);
+extern tree std_build_builtin_va_list (void);
+extern tree std_fn_abi_va_list (tree);
+extern tree std_canonical_va_list_type (tree);
+extern void std_expand_builtin_va_start (tree, rtx);
+extern void expand_builtin_trap (void);
+extern void expand_ifn_atomic_bit_test_and (gcall *);
+extern void expand_ifn_atomic_compare_exchange (gcall *);
+extern rtx expand_builtin (tree, rtx, rtx, machine_mode, int);
+extern rtx expand_builtin_with_bounds (tree, rtx, rtx, machine_mode, int);
+extern enum built_in_function builtin_mathfn_code (const_tree);
+extern tree fold_builtin_expect (location_t, tree, tree, tree);
+extern bool avoid_folding_inline_builtin (tree);
+extern tree fold_call_expr (location_t, tree, bool);
+extern tree fold_builtin_call_array (location_t, tree, tree, int, tree *);
+extern tree fold_builtin_n (location_t, tree, tree *, int, bool);
+extern bool validate_gimple_arglist (const gcall *, ...);
+extern rtx default_expand_builtin (tree, rtx, rtx, machine_mode, int);
+extern bool fold_builtin_next_arg (tree, bool);
+extern tree do_mpc_arg2 (tree, tree, tree, int, int (*)(mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t));
+extern tree fold_call_stmt (gcall *, bool);
+extern void set_builtin_user_assembler_name (tree decl, const char *asmspec);
+extern bool is_simple_builtin (tree);
+extern bool is_inexpensive_builtin (tree);
+
+extern bool readonly_data_expr (tree exp);
+extern bool init_target_chars (void);
+extern unsigned HOST_WIDE_INT target_newline;
+extern unsigned HOST_WIDE_INT target_percent;
+extern char target_percent_s[3];
+extern char target_percent_c[3];
+extern char target_percent_s_newline[4];
+extern bool target_char_cst_p (tree t, char *p);
+
+extern internal_fn associated_internal_fn (tree);
+extern internal_fn replacement_internal_fn (gcall *);
+
 #endif