--- a/gcc/targhooks.h	Sun Aug 21 07:07:55 2011 +0900
+++ b/gcc/targhooks.h	Fri Oct 27 22:46:09 2017 +0900
@@ -1,6 +1,5 @@
 /* Default target hook functions.
-   Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010
-   Free Software Foundation, Inc.
+   Copyright (C) 2003-2017 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -18,168 +17,266 @@
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
-extern bool default_legitimate_address_p (enum machine_mode, rtx, bool);
+#ifndef GCC_TARGHOOKS_H
+#define GCC_TARGHOOKS_H
+
+extern bool default_legitimate_address_p (machine_mode, rtx, bool);
 
 extern void default_external_libcall (rtx);
-extern rtx default_legitimize_address (rtx, rtx, enum machine_mode);
+extern rtx default_legitimize_address (rtx, rtx, machine_mode);
+extern bool default_legitimize_address_displacement (rtx *, rtx *,
+						     machine_mode);
+extern bool default_const_not_ok_for_debug_p (rtx);
 
 extern int default_unspec_may_trap_p (const_rtx, unsigned);
-extern enum machine_mode default_promote_function_mode (const_tree, enum machine_mode,
+extern machine_mode default_promote_function_mode (const_tree, machine_mode,
 							int *, const_tree, int);
-extern enum machine_mode default_promote_function_mode_always_promote
-			(const_tree, enum machine_mode, int *, const_tree, int);
+extern machine_mode default_promote_function_mode_always_promote
+			(const_tree, machine_mode, int *, const_tree, int);
 
-extern enum machine_mode default_cc_modes_compatible (enum machine_mode,
-						      enum machine_mode);
+extern machine_mode default_cc_modes_compatible (machine_mode,
+						      machine_mode);
 
 extern bool default_return_in_memory (const_tree, const_tree);
 
 extern rtx default_expand_builtin_saveregs (void);
-extern void default_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode, tree, int *, int);
+extern void default_setup_incoming_varargs (cumulative_args_t, machine_mode, tree, int *, int);
 extern rtx default_builtin_setjmp_frame_value (void);
-extern bool default_pretend_outgoing_varargs_named (CUMULATIVE_ARGS *);
+extern bool default_pretend_outgoing_varargs_named (cumulative_args_t);
 
-extern enum machine_mode default_eh_return_filter_mode (void);
-extern enum machine_mode default_libgcc_cmp_return_mode (void);
-extern enum machine_mode default_libgcc_shift_count_mode (void);
-extern enum machine_mode default_unwind_word_mode (void);
+extern scalar_int_mode default_eh_return_filter_mode (void);
+extern scalar_int_mode default_libgcc_cmp_return_mode (void);
+extern scalar_int_mode default_libgcc_shift_count_mode (void);
+extern scalar_int_mode default_unwind_word_mode (void);
 extern unsigned HOST_WIDE_INT default_shift_truncation_mask
-  (enum machine_mode);
-extern unsigned int default_min_divisions_for_recip_mul (enum machine_mode);
-extern int default_mode_rep_extended (enum machine_mode, enum machine_mode);
+  (machine_mode);
+extern unsigned int default_min_divisions_for_recip_mul (machine_mode);
+extern int default_mode_rep_extended (scalar_int_mode, scalar_int_mode);
 
 extern tree default_stack_protect_guard (void);
 extern tree default_external_stack_protect_fail (void);
 extern tree default_hidden_stack_protect_fail (void);
 
-extern enum machine_mode default_mode_for_suffix (char);
+extern machine_mode default_mode_for_suffix (char);
 
 extern tree default_cxx_guard_type (void);
 extern tree default_cxx_get_cookie_size (tree);
 
 extern bool hook_pass_by_reference_must_pass_in_stack
-  (CUMULATIVE_ARGS *, enum machine_mode mode, const_tree, bool);
+  (cumulative_args_t, machine_mode mode, const_tree, bool);
 extern bool hook_callee_copies_named
-  (CUMULATIVE_ARGS *ca, enum machine_mode, const_tree, bool);
+  (cumulative_args_t ca, machine_mode, const_tree, bool);
 
 extern void default_print_operand (FILE *, rtx, int);
-extern void default_print_operand_address (FILE *, rtx);
+extern void default_print_operand_address (FILE *, machine_mode, rtx);
 extern bool default_print_operand_punct_valid_p (unsigned char);
 extern tree default_mangle_assembler_name (const char *);
 
-extern bool default_asm_output_addr_const_extra (FILE *, rtx);
-
-extern bool default_scalar_mode_supported_p (enum machine_mode);
+extern bool default_scalar_mode_supported_p (scalar_mode);
+extern bool default_libgcc_floating_mode_supported_p (scalar_float_mode);
+extern opt_scalar_float_mode default_floatn_mode (int, bool);
 extern bool targhook_words_big_endian (void);
 extern bool targhook_float_words_big_endian (void);
+extern bool default_float_exceptions_rounding_supported_p (void);
 extern bool default_decimal_float_supported_p (void);
 extern bool default_fixed_point_supported_p (void);
 
-extern const char * default_invalid_within_doloop (const_rtx);
+extern bool default_has_ifunc_p (void);
 
-extern tree default_builtin_vectorized_function (tree, tree, tree);
+extern const char * default_invalid_within_doloop (const rtx_insn *);
+
+extern tree default_builtin_vectorized_function (unsigned int, tree, tree);
+extern tree default_builtin_md_vectorized_function (tree, tree, tree);
 
 extern tree default_builtin_vectorized_conversion (unsigned int, tree, tree);
 
 extern int default_builtin_vectorization_cost (enum vect_cost_for_stmt, tree, int);
 
-extern tree default_builtin_reciprocal (unsigned int, bool, bool);
+extern tree default_builtin_reciprocal (tree);
 
+extern HOST_WIDE_INT default_static_rtx_alignment (machine_mode);
+extern HOST_WIDE_INT default_constant_alignment (const_tree, HOST_WIDE_INT);
+extern HOST_WIDE_INT constant_alignment_word_strings (const_tree,
+						      HOST_WIDE_INT);
+extern HOST_WIDE_INT default_vector_alignment (const_tree);
+
+extern HOST_WIDE_INT default_preferred_vector_alignment (const_tree);
 extern bool default_builtin_vector_alignment_reachable (const_tree, bool);
 extern bool
-default_builtin_support_vector_misalignment (enum machine_mode mode,
+default_builtin_support_vector_misalignment (machine_mode mode,
 					     const_tree,
 					     int, bool);
-extern enum machine_mode default_preferred_simd_mode (enum machine_mode mode);
+extern machine_mode default_preferred_simd_mode (scalar_mode mode);
 extern unsigned int default_autovectorize_vector_sizes (void);
+extern opt_machine_mode default_get_mask_mode (unsigned, unsigned);
+extern void *default_init_cost (struct loop *);
+extern unsigned default_add_stmt_cost (void *, int, enum vect_cost_for_stmt,
+				       struct _stmt_vec_info *, int,
+				       enum vect_cost_model_location);
+extern void default_finish_cost (void *, unsigned *, unsigned *, unsigned *);
+extern void default_destroy_cost_data (void *);
+
+/* OpenACC hooks.  */
+extern bool default_goacc_validate_dims (tree, int [], int);
+extern int default_goacc_dim_limit (int);
+extern bool default_goacc_fork_join (gcall *, const int [], bool);
+extern void default_goacc_reduction (gcall *);
 
 /* These are here, and not in hooks.[ch], because not all users of
    hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS.  */
 
-extern bool hook_bool_CUMULATIVE_ARGS_false (CUMULATIVE_ARGS *);
-extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS *);
+extern bool hook_bool_CUMULATIVE_ARGS_false (cumulative_args_t);
+extern bool hook_bool_CUMULATIVE_ARGS_true (cumulative_args_t);
 
 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
-  (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool);
+  (cumulative_args_t, machine_mode, const_tree, bool);
 extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true
-  (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool);
+  (cumulative_args_t, machine_mode, const_tree, bool);
 extern int hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
-  (CUMULATIVE_ARGS *, enum machine_mode, tree, bool);
+  (cumulative_args_t, machine_mode, tree, bool);
 extern const char *hook_invalid_arg_for_unprototyped_fn
   (const_tree, const_tree, const_tree);
 extern void default_function_arg_advance
-  (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool);
+  (cumulative_args_t, machine_mode, const_tree, bool);
+extern HOST_WIDE_INT default_function_arg_offset (machine_mode, const_tree);
+extern pad_direction default_function_arg_padding (machine_mode, const_tree);
 extern rtx default_function_arg
-  (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool);
+  (cumulative_args_t, machine_mode, const_tree, bool);
 extern rtx default_function_incoming_arg
-  (CUMULATIVE_ARGS *, enum machine_mode, const_tree, bool);
-extern unsigned int default_function_arg_boundary (enum machine_mode,
+  (cumulative_args_t, machine_mode, const_tree, bool);
+extern unsigned int default_function_arg_boundary (machine_mode,
 						   const_tree);
+extern unsigned int default_function_arg_round_boundary (machine_mode,
+							 const_tree);
 extern bool hook_bool_const_rtx_commutative_p (const_rtx, int);
 extern rtx default_function_value (const_tree, const_tree, bool);
-extern rtx default_libcall_value (enum machine_mode, const_rtx);
+extern rtx default_libcall_value (machine_mode, const_rtx);
 extern bool default_function_value_regno_p (const unsigned int);
 extern rtx default_internal_arg_pointer (void);
 extern rtx default_static_chain (const_tree, bool);
 extern void default_trampoline_init (rtx, tree, rtx);
 extern int default_return_pops_args (tree, tree, int);
 extern reg_class_t default_branch_target_register_class (void);
-#ifdef IRA_COVER_CLASSES
-extern const reg_class_t *default_ira_cover_classes (void);
-#endif
+extern reg_class_t default_ira_change_pseudo_allocno_class (int, reg_class_t,
+							    reg_class_t);
+extern bool default_lra_p (void);
+extern int default_register_priority (int);
+extern bool default_register_usage_leveling_p (void);
+extern bool default_different_addr_displacement_p (void);
 extern reg_class_t default_secondary_reload (bool, rtx, reg_class_t,
-					     enum machine_mode,
+					     machine_mode,
 					     secondary_reload_info *);
+extern machine_mode default_secondary_memory_needed_mode (machine_mode);
 extern void default_target_option_override (void);
 extern void hook_void_bitmap (bitmap);
-extern bool default_handle_c_option (size_t, const char *, int);
 extern int default_reloc_rw_mask (void);
 extern tree default_mangle_decl_assembler_name (tree, tree);
 extern tree default_emutls_var_fields (tree, tree *);
 extern tree default_emutls_var_init (tree, tree, tree);
+extern unsigned int default_hard_regno_nregs (unsigned int, machine_mode);
 extern bool default_hard_regno_scratch_ok (unsigned int);
-extern bool default_mode_dependent_address_p (const_rtx addr);
+extern bool default_mode_dependent_address_p (const_rtx, addr_space_t);
 extern bool default_target_option_valid_attribute_p (tree, tree, tree, int);
 extern bool default_target_option_pragma_parse (tree, tree);
 extern bool default_target_can_inline_p (tree, tree);
-extern bool default_valid_pointer_mode (enum machine_mode);
-extern bool default_ref_may_alias_errno (struct ao_ref_s *);
-extern enum machine_mode default_addr_space_pointer_mode (addr_space_t);
-extern enum machine_mode default_addr_space_address_mode (addr_space_t);
-extern bool default_addr_space_valid_pointer_mode (enum machine_mode,
+extern bool default_valid_pointer_mode (scalar_int_mode);
+extern bool default_ref_may_alias_errno (struct ao_ref *);
+extern scalar_int_mode default_addr_space_pointer_mode (addr_space_t);
+extern scalar_int_mode default_addr_space_address_mode (addr_space_t);
+extern bool default_addr_space_valid_pointer_mode (scalar_int_mode,
 						   addr_space_t);
-extern bool default_addr_space_legitimate_address_p (enum machine_mode, rtx,
+extern bool default_addr_space_legitimate_address_p (machine_mode, rtx,
 						     bool, addr_space_t);
-extern rtx default_addr_space_legitimize_address (rtx, rtx, enum machine_mode,
+extern rtx default_addr_space_legitimize_address (rtx, rtx, machine_mode,
 						  addr_space_t);
 extern bool default_addr_space_subset_p (addr_space_t, addr_space_t);
+extern bool default_addr_space_zero_address_valid (addr_space_t);
+extern int default_addr_space_debug (addr_space_t);
+extern void default_addr_space_diagnose_usage (addr_space_t, location_t);
 extern rtx default_addr_space_convert (rtx, tree, tree);
 extern unsigned int default_case_values_threshold (void);
 extern bool default_have_conditional_execution (void);
-extern int default_memory_move_cost (enum machine_mode, reg_class_t, bool);
-extern int default_register_move_cost (enum machine_mode, reg_class_t,
+
+extern bool default_libc_has_function (enum function_class);
+extern bool no_c99_libc_has_function (enum function_class);
+extern bool gnu_libc_has_function (enum function_class);
+
+extern tree default_builtin_tm_load_store (tree);
+
+extern int default_memory_move_cost (machine_mode, reg_class_t, bool);
+extern int default_register_move_cost (machine_mode, reg_class_t,
 				       reg_class_t);
+extern bool default_slow_unaligned_access (machine_mode, unsigned int);
 
+extern bool default_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT,
+						    unsigned int,
+						    enum by_pieces_operation,
+						    bool);
+extern int default_compare_by_pieces_branch_ratio (machine_mode);
+
+extern void default_print_patchable_function_entry (FILE *,
+						    unsigned HOST_WIDE_INT,
+						    bool);
 extern bool default_profile_before_prologue (void);
 extern reg_class_t default_preferred_reload_class (rtx, reg_class_t);
 extern reg_class_t default_preferred_output_reload_class (rtx, reg_class_t);
 extern reg_class_t default_preferred_rename_class (reg_class_t rclass);
 extern bool default_class_likely_spilled_p (reg_class_t);
+extern unsigned char default_class_max_nregs (reg_class_t, machine_mode);
 
 extern enum unwind_info_type default_debug_unwind_info (void);
-extern enum unwind_info_type default_except_unwind_info (struct gcc_options *);
-extern enum unwind_info_type dwarf2_except_unwind_info (struct gcc_options *);
-extern enum unwind_info_type sjlj_except_unwind_info (struct gcc_options *);
+
+extern void default_canonicalize_comparison (int *, rtx *, rtx *, bool);
 
-extern int default_label_align_after_barrier_max_skip (rtx);
-extern int default_loop_align_max_skip (rtx);
-extern int default_label_align_max_skip (rtx);
-extern int default_jump_align_max_skip (rtx);
+extern int default_label_align_after_barrier_max_skip (rtx_insn *);
+extern int default_loop_align_max_skip (rtx_insn *);
+extern int default_label_align_max_skip (rtx_insn *);
+extern int default_jump_align_max_skip (rtx_insn *);
 extern section * default_function_section(tree decl, enum node_frequency freq,
 					  bool startup, bool exit);
-extern enum machine_mode default_get_reg_raw_mode(int);
-
-extern const struct default_options empty_optimization_table[];
+extern machine_mode default_dwarf_frame_reg_mode (int);
+extern machine_mode default_get_reg_raw_mode (int);
+extern bool default_keep_leaf_when_profiled ();
 
 extern void *default_get_pch_validity (size_t *);
 extern const char *default_pch_valid_p (const void *, size_t);
+
+extern void default_asm_output_ident_directive (const char*);
+
+extern scalar_int_mode default_cstore_mode (enum insn_code);
+extern bool default_member_type_forces_blk (const_tree, machine_mode);
+extern void default_atomic_assign_expand_fenv (tree *, tree *, tree *);
+extern tree build_va_arg_indirect_ref (tree);
+extern tree std_gimplify_va_arg_expr (tree, tree, gimple_seq *, gimple_seq *);
+extern bool can_use_doloop_if_innermost (const widest_int &,
+					 const widest_int &,
+					 unsigned int, bool);
+
+extern rtx default_load_bounds_for_arg (rtx, rtx, rtx);
+extern void default_store_bounds_for_arg (rtx, rtx, rtx, rtx);
+extern rtx default_load_returned_bounds (rtx);
+extern void default_store_returned_bounds (rtx,rtx);
+extern tree default_chkp_bound_type (void);
+extern machine_mode default_chkp_bound_mode (void);
+extern tree default_builtin_chkp_function (unsigned int);
+extern rtx default_chkp_function_value_bounds (const_tree, const_tree, bool);
+extern tree default_chkp_make_bounds_constant (HOST_WIDE_INT lb, HOST_WIDE_INT ub);
+extern int default_chkp_initialize_bounds (tree var, tree lb, tree ub,
+					   tree *stmts);
+extern void default_setup_incoming_vararg_bounds (cumulative_args_t ca ATTRIBUTE_UNUSED,
+						  machine_mode mode ATTRIBUTE_UNUSED,
+						  tree type ATTRIBUTE_UNUSED,
+						  int *pretend_arg_size ATTRIBUTE_UNUSED,
+						  int second_time ATTRIBUTE_UNUSED);
+extern bool default_optab_supported_p (int, machine_mode, machine_mode,
+				       optimization_type);
+extern unsigned int default_max_noce_ifcvt_seq_cost (edge);
+extern bool default_noce_conversion_profitable_p (rtx_insn *,
+						  struct noce_if_info *);
+extern unsigned int default_min_arithmetic_precision (void);
+
+extern enum flt_eval_method
+default_excess_precision (enum excess_precision_type ATTRIBUTE_UNUSED);
+extern bool default_stack_clash_protection_final_dynamic_probe (rtx);
+
+#endif /* GCC_TARGHOOKS_H */