304 lines
14 KiB
C
304 lines
14 KiB
C
/* Default target hook functions.
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Copyright (C) 2003-2023 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_TARGHOOKS_H
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#define GCC_TARGHOOKS_H
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extern bool default_legitimate_address_p (machine_mode, rtx, bool);
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extern void default_external_libcall (rtx);
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extern rtx default_legitimize_address (rtx, rtx, machine_mode);
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extern bool default_legitimize_address_displacement (rtx *, rtx *,
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poly_int64, machine_mode);
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extern bool default_const_not_ok_for_debug_p (rtx);
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extern int default_unspec_may_trap_p (const_rtx, unsigned);
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extern machine_mode default_promote_function_mode (const_tree, machine_mode,
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int *, const_tree, int);
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extern machine_mode default_promote_function_mode_always_promote
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(const_tree, machine_mode, int *, const_tree, int);
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extern machine_mode default_cc_modes_compatible (machine_mode,
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machine_mode);
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extern bool default_return_in_memory (const_tree, const_tree);
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extern rtx default_expand_builtin_saveregs (void);
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extern void default_setup_incoming_varargs (cumulative_args_t,
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const function_arg_info &,
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int *, int);
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extern rtx default_builtin_setjmp_frame_value (void);
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extern bool default_pretend_outgoing_varargs_named (cumulative_args_t);
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extern scalar_int_mode default_eh_return_filter_mode (void);
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extern scalar_int_mode default_libgcc_cmp_return_mode (void);
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extern scalar_int_mode default_libgcc_shift_count_mode (void);
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extern scalar_int_mode default_unwind_word_mode (void);
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extern unsigned HOST_WIDE_INT default_shift_truncation_mask
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(machine_mode);
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extern unsigned int default_min_divisions_for_recip_mul (machine_mode);
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extern bool default_preferred_div_as_shifts_over_mult
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(const_tree);
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extern int default_mode_rep_extended (scalar_int_mode, scalar_int_mode);
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extern tree default_stack_protect_guard (void);
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extern tree default_external_stack_protect_fail (void);
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extern tree default_hidden_stack_protect_fail (void);
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extern machine_mode default_mode_for_suffix (char);
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extern tree default_cxx_guard_type (void);
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extern tree default_cxx_get_cookie_size (tree);
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extern bool hook_pass_by_reference_must_pass_in_stack
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(cumulative_args_t, const function_arg_info &);
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extern bool hook_callee_copies_named
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(cumulative_args_t ca, const function_arg_info &);
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extern void default_print_operand (FILE *, rtx, int);
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extern void default_print_operand_address (FILE *, machine_mode, rtx);
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extern bool default_print_operand_punct_valid_p (unsigned char);
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extern tree default_mangle_assembler_name (const char *);
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extern machine_mode default_translate_mode_attribute (machine_mode);
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extern bool default_scalar_mode_supported_p (scalar_mode);
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extern bool default_libgcc_floating_mode_supported_p (scalar_float_mode);
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extern opt_scalar_float_mode default_floatn_mode (int, bool);
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extern bool default_floatn_builtin_p (int);
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extern bool targhook_words_big_endian (void);
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extern bool targhook_float_words_big_endian (void);
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extern bool default_float_exceptions_rounding_supported_p (void);
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extern bool default_decimal_float_supported_p (void);
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extern bool default_fixed_point_supported_p (void);
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extern bool default_has_ifunc_p (void);
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extern bool default_predict_doloop_p (class loop *);
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extern machine_mode default_preferred_doloop_mode (machine_mode);
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extern const char * default_invalid_within_doloop (const rtx_insn *);
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extern tree default_builtin_vectorized_function (unsigned int, tree, tree);
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extern tree default_builtin_md_vectorized_function (tree, tree, tree);
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extern int default_builtin_vectorization_cost (enum vect_cost_for_stmt, tree, int);
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extern tree default_builtin_reciprocal (tree);
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extern void default_emit_support_tinfos (emit_support_tinfos_callback);
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extern HOST_WIDE_INT default_static_rtx_alignment (machine_mode);
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extern HOST_WIDE_INT default_constant_alignment (const_tree, HOST_WIDE_INT);
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extern HOST_WIDE_INT constant_alignment_word_strings (const_tree,
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HOST_WIDE_INT);
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extern HOST_WIDE_INT default_vector_alignment (const_tree);
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extern poly_uint64 default_preferred_vector_alignment (const_tree);
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extern bool default_builtin_vector_alignment_reachable (const_tree, bool);
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extern bool
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default_builtin_support_vector_misalignment (machine_mode mode,
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const_tree,
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int, bool);
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extern machine_mode default_preferred_simd_mode (scalar_mode mode);
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extern machine_mode default_split_reduction (machine_mode);
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extern unsigned int default_autovectorize_vector_modes (vector_modes *, bool);
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extern opt_machine_mode default_vectorize_related_mode (machine_mode,
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scalar_mode,
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poly_uint64);
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extern opt_machine_mode default_get_mask_mode (machine_mode);
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extern bool default_empty_mask_is_expensive (unsigned);
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extern vector_costs *default_vectorize_create_costs (vec_info *, bool);
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/* OpenACC hooks. */
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extern bool default_goacc_validate_dims (tree, int [], int, unsigned);
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extern int default_goacc_dim_limit (int);
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extern bool default_goacc_fork_join (gcall *, const int [], bool);
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extern void default_goacc_reduction (gcall *);
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/* These are here, and not in hooks.[ch], because not all users of
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hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS. */
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extern bool hook_bool_CUMULATIVE_ARGS_false (cumulative_args_t);
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extern bool hook_bool_CUMULATIVE_ARGS_true (cumulative_args_t);
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extern bool hook_bool_CUMULATIVE_ARGS_arg_info_false
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(cumulative_args_t, const function_arg_info &);
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extern bool hook_bool_CUMULATIVE_ARGS_arg_info_true
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(cumulative_args_t, const function_arg_info &);
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extern int hook_int_CUMULATIVE_ARGS_arg_info_0
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(cumulative_args_t, const function_arg_info &);
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extern void hook_void_CUMULATIVE_ARGS_tree
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(cumulative_args_t, tree);
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extern const char *hook_invalid_arg_for_unprototyped_fn
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(const_tree, const_tree, const_tree);
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extern void default_function_arg_advance
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(cumulative_args_t, const function_arg_info &);
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extern bool default_push_argument (unsigned int);
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extern HOST_WIDE_INT default_function_arg_offset (machine_mode, const_tree);
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extern pad_direction default_function_arg_padding (machine_mode, const_tree);
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extern rtx default_function_arg (cumulative_args_t, const function_arg_info &);
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extern rtx default_function_incoming_arg (cumulative_args_t,
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const function_arg_info &);
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extern unsigned int default_function_arg_boundary (machine_mode,
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const_tree);
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extern unsigned int default_function_arg_round_boundary (machine_mode,
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const_tree);
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extern bool hook_bool_const_rtx_commutative_p (const_rtx, int);
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extern rtx default_function_value (const_tree, const_tree, bool);
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extern HARD_REG_SET default_zero_call_used_regs (HARD_REG_SET);
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extern rtx default_libcall_value (machine_mode, const_rtx);
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extern bool default_function_value_regno_p (const unsigned int);
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extern rtx default_internal_arg_pointer (void);
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extern rtx default_static_chain (const_tree, bool);
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extern void default_trampoline_init (rtx, tree, rtx);
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extern void default_emit_call_builtin___clear_cache (rtx, rtx);
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extern poly_int64 default_return_pops_args (tree, tree, poly_int64);
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extern reg_class_t default_ira_change_pseudo_allocno_class (int, reg_class_t,
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reg_class_t);
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extern bool default_lra_p (void);
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extern int default_register_priority (int);
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extern bool default_register_usage_leveling_p (void);
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extern bool default_different_addr_displacement_p (void);
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extern reg_class_t default_secondary_reload (bool, rtx, reg_class_t,
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machine_mode,
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secondary_reload_info *);
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extern machine_mode default_secondary_memory_needed_mode (machine_mode);
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extern void default_target_option_override (void);
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extern void hook_void_bitmap (bitmap);
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extern int default_reloc_rw_mask (void);
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extern bool default_generate_pic_addr_diff_vec (void);
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extern void default_asm_out_constructor (rtx, int);
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extern void default_asm_out_destructor (rtx, int);
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extern tree default_mangle_decl_assembler_name (tree, tree);
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extern tree default_emutls_var_fields (tree, tree *);
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extern tree default_emutls_var_init (tree, tree, tree);
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extern unsigned int default_hard_regno_nregs (unsigned int, machine_mode);
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extern bool default_hard_regno_scratch_ok (unsigned int);
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extern bool default_mode_dependent_address_p (const_rtx, addr_space_t);
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extern bool default_new_address_profitable_p (rtx, rtx_insn *, rtx);
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extern bool default_target_option_valid_attribute_p (tree, tree, tree, int);
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extern bool default_target_option_pragma_parse (tree, tree);
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extern bool default_target_can_inline_p (tree, tree);
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extern bool default_update_ipa_fn_target_info (unsigned int &, const gimple *);
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extern bool default_need_ipa_fn_target_info (const_tree, unsigned int &);
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extern bool default_valid_pointer_mode (scalar_int_mode);
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extern bool default_ref_may_alias_errno (class ao_ref *);
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extern scalar_int_mode default_addr_space_pointer_mode (addr_space_t);
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extern scalar_int_mode default_addr_space_address_mode (addr_space_t);
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extern bool default_addr_space_valid_pointer_mode (scalar_int_mode,
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addr_space_t);
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extern bool default_addr_space_legitimate_address_p (machine_mode, rtx,
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bool, addr_space_t);
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extern rtx default_addr_space_legitimize_address (rtx, rtx, machine_mode,
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addr_space_t);
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extern bool default_addr_space_subset_p (addr_space_t, addr_space_t);
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extern bool default_addr_space_zero_address_valid (addr_space_t);
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extern int default_addr_space_debug (addr_space_t);
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extern void default_addr_space_diagnose_usage (addr_space_t, location_t);
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extern rtx default_addr_space_convert (rtx, tree, tree);
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extern unsigned int default_case_values_threshold (void);
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extern bool default_have_conditional_execution (void);
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extern bool default_libc_has_function (enum function_class, tree);
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extern bool default_libc_has_fast_function (int fcode);
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extern bool no_c99_libc_has_function (enum function_class, tree);
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extern bool gnu_libc_has_function (enum function_class, tree);
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extern bool bsd_libc_has_function (enum function_class, tree);
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extern tree default_builtin_tm_load_store (tree);
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extern int default_memory_move_cost (machine_mode, reg_class_t, bool);
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extern int default_register_move_cost (machine_mode, reg_class_t,
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reg_class_t);
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extern bool default_slow_unaligned_access (machine_mode, unsigned int);
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extern HOST_WIDE_INT default_estimated_poly_value (poly_int64,
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poly_value_estimate_kind);
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extern bool default_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT,
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unsigned int,
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enum by_pieces_operation,
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bool);
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extern int default_compare_by_pieces_branch_ratio (machine_mode);
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extern void default_print_patchable_function_entry (FILE *,
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unsigned HOST_WIDE_INT,
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bool);
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extern bool default_profile_before_prologue (void);
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extern reg_class_t default_preferred_reload_class (rtx, reg_class_t);
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extern reg_class_t default_preferred_output_reload_class (rtx, reg_class_t);
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extern reg_class_t default_preferred_rename_class (reg_class_t rclass);
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extern bool default_class_likely_spilled_p (reg_class_t);
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extern unsigned char default_class_max_nregs (reg_class_t, machine_mode);
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extern enum unwind_info_type default_debug_unwind_info (void);
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extern void default_canonicalize_comparison (int *, rtx *, rtx *, bool);
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extern section * default_function_section(tree decl, enum node_frequency freq,
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bool startup, bool exit);
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extern unsigned int default_dwarf_poly_indeterminate_value (unsigned int,
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unsigned int *,
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int *);
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extern machine_mode default_dwarf_frame_reg_mode (int);
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extern fixed_size_mode default_get_reg_raw_mode (int);
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extern bool default_keep_leaf_when_profiled ();
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extern void *default_get_pch_validity (size_t *);
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extern const char *default_pch_valid_p (const void *, size_t);
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extern void default_asm_output_ident_directive (const char*);
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extern scalar_int_mode default_cstore_mode (enum insn_code);
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extern bool default_member_type_forces_blk (const_tree, machine_mode);
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extern void default_atomic_assign_expand_fenv (tree *, tree *, tree *);
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extern tree build_va_arg_indirect_ref (tree);
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extern tree std_gimplify_va_arg_expr (tree, tree, gimple_seq *, gimple_seq *);
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extern bool can_use_doloop_if_innermost (const widest_int &,
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const widest_int &,
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unsigned int, bool);
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extern bool default_optab_supported_p (int, machine_mode, machine_mode,
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optimization_type);
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extern unsigned int default_max_noce_ifcvt_seq_cost (edge);
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extern bool default_noce_conversion_profitable_p (rtx_insn *,
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struct noce_if_info *);
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extern unsigned int default_min_arithmetic_precision (void);
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extern enum flt_eval_method
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default_excess_precision (enum excess_precision_type ATTRIBUTE_UNUSED);
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extern HOST_WIDE_INT default_stack_clash_protection_alloca_probe_range (void);
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extern void default_select_early_remat_modes (sbitmap);
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extern tree default_preferred_else_value (unsigned, tree, unsigned, tree *);
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extern bool default_have_speculation_safe_value (bool);
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extern bool speculation_safe_value_not_needed (bool);
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extern rtx default_speculation_safe_value (machine_mode, rtx, rtx, rtx);
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extern bool default_memtag_can_tag_addresses ();
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extern uint8_t default_memtag_tag_size ();
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extern uint8_t default_memtag_granule_size ();
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extern rtx default_memtag_insert_random_tag (rtx, rtx);
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extern rtx default_memtag_add_tag (rtx, poly_int64, uint8_t);
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extern rtx default_memtag_set_tag (rtx, rtx, rtx);
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extern rtx default_memtag_extract_tag (rtx, rtx);
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extern rtx default_memtag_untagged_pointer (rtx, rtx);
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extern HOST_WIDE_INT default_gcov_type_size (void);
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#endif /* GCC_TARGHOOKS_H */
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