1 | /* Default target hook functions. |
2 | Copyright (C) 2003-2023 Free Software Foundation, Inc. |
3 | |
4 | This file is part of GCC. |
5 | |
6 | GCC is free software; you can redistribute it and/or modify it under |
7 | the terms of the GNU General Public License as published by the Free |
8 | Software Foundation; either version 3, or (at your option) any later |
9 | version. |
10 | |
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
14 | for more details. |
15 | |
16 | You should have received a copy of the GNU General Public License |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ |
19 | |
20 | #ifndef GCC_TARGHOOKS_H |
21 | #define GCC_TARGHOOKS_H |
22 | |
23 | extern bool default_legitimate_address_p (machine_mode, rtx, bool, code_helper); |
24 | |
25 | extern void default_external_libcall (rtx); |
26 | extern rtx default_legitimize_address (rtx, rtx, machine_mode); |
27 | extern bool default_legitimize_address_displacement (rtx *, rtx *, |
28 | poly_int64, machine_mode); |
29 | extern bool default_const_not_ok_for_debug_p (rtx); |
30 | |
31 | extern int default_unspec_may_trap_p (const_rtx, unsigned); |
32 | extern machine_mode default_promote_function_mode (const_tree, machine_mode, |
33 | int *, const_tree, int); |
34 | extern machine_mode default_promote_function_mode_always_promote |
35 | (const_tree, machine_mode, int *, const_tree, int); |
36 | |
37 | extern machine_mode default_cc_modes_compatible (machine_mode, |
38 | machine_mode); |
39 | |
40 | extern bool default_return_in_memory (const_tree, const_tree); |
41 | |
42 | extern rtx default_expand_builtin_saveregs (void); |
43 | extern void default_setup_incoming_varargs (cumulative_args_t, |
44 | const function_arg_info &, |
45 | int *, int); |
46 | extern rtx default_builtin_setjmp_frame_value (void); |
47 | extern bool default_pretend_outgoing_varargs_named (cumulative_args_t); |
48 | |
49 | extern scalar_int_mode default_eh_return_filter_mode (void); |
50 | extern scalar_int_mode default_libgcc_cmp_return_mode (void); |
51 | extern scalar_int_mode default_libgcc_shift_count_mode (void); |
52 | extern scalar_int_mode default_unwind_word_mode (void); |
53 | extern unsigned HOST_WIDE_INT default_shift_truncation_mask |
54 | (machine_mode); |
55 | extern unsigned int default_min_divisions_for_recip_mul (machine_mode); |
56 | extern bool default_preferred_div_as_shifts_over_mult |
57 | (const_tree); |
58 | extern int default_mode_rep_extended (scalar_int_mode, scalar_int_mode); |
59 | |
60 | extern tree default_stack_protect_guard (void); |
61 | extern tree default_external_stack_protect_fail (void); |
62 | extern tree default_hidden_stack_protect_fail (void); |
63 | |
64 | extern machine_mode default_mode_for_suffix (char); |
65 | |
66 | extern tree default_cxx_guard_type (void); |
67 | extern tree default_cxx_get_cookie_size (tree); |
68 | |
69 | extern bool hook_pass_by_reference_must_pass_in_stack |
70 | (cumulative_args_t, const function_arg_info &); |
71 | extern bool hook_callee_copies_named |
72 | (cumulative_args_t ca, const function_arg_info &); |
73 | |
74 | extern void default_print_operand (FILE *, rtx, int); |
75 | extern void default_print_operand_address (FILE *, machine_mode, rtx); |
76 | extern bool default_print_operand_punct_valid_p (unsigned char); |
77 | extern tree default_mangle_assembler_name (const char *); |
78 | |
79 | extern machine_mode default_translate_mode_attribute (machine_mode); |
80 | extern bool default_scalar_mode_supported_p (scalar_mode); |
81 | extern bool default_libgcc_floating_mode_supported_p (scalar_float_mode); |
82 | extern opt_scalar_float_mode default_floatn_mode (int, bool); |
83 | extern bool default_floatn_builtin_p (int); |
84 | extern bool targhook_words_big_endian (void); |
85 | extern bool targhook_float_words_big_endian (void); |
86 | extern bool default_float_exceptions_rounding_supported_p (void); |
87 | extern bool default_decimal_float_supported_p (void); |
88 | extern bool default_fixed_point_supported_p (void); |
89 | |
90 | extern bool default_has_ifunc_p (void); |
91 | |
92 | extern bool default_predict_doloop_p (class loop *); |
93 | extern machine_mode default_preferred_doloop_mode (machine_mode); |
94 | extern const char * default_invalid_within_doloop (const rtx_insn *); |
95 | |
96 | extern tree default_builtin_vectorized_function (unsigned int, tree, tree); |
97 | extern tree default_builtin_md_vectorized_function (tree, tree, tree); |
98 | |
99 | extern int default_builtin_vectorization_cost (enum vect_cost_for_stmt, tree, int); |
100 | |
101 | extern tree default_builtin_reciprocal (tree); |
102 | |
103 | extern void default_emit_support_tinfos (emit_support_tinfos_callback); |
104 | |
105 | extern HOST_WIDE_INT default_static_rtx_alignment (machine_mode); |
106 | extern HOST_WIDE_INT default_constant_alignment (const_tree, HOST_WIDE_INT); |
107 | extern HOST_WIDE_INT constant_alignment_word_strings (const_tree, |
108 | HOST_WIDE_INT); |
109 | extern HOST_WIDE_INT default_vector_alignment (const_tree); |
110 | |
111 | extern poly_uint64 default_preferred_vector_alignment (const_tree); |
112 | extern bool default_builtin_vector_alignment_reachable (const_tree, bool); |
113 | extern bool |
114 | default_builtin_support_vector_misalignment (machine_mode mode, |
115 | const_tree, |
116 | int, bool); |
117 | extern machine_mode default_preferred_simd_mode (scalar_mode mode); |
118 | extern machine_mode default_split_reduction (machine_mode); |
119 | extern unsigned int default_autovectorize_vector_modes (vector_modes *, bool); |
120 | extern opt_machine_mode default_vectorize_related_mode (machine_mode, |
121 | scalar_mode, |
122 | poly_uint64); |
123 | extern opt_machine_mode default_get_mask_mode (machine_mode); |
124 | extern bool default_empty_mask_is_expensive (unsigned); |
125 | extern vector_costs *default_vectorize_create_costs (vec_info *, bool); |
126 | |
127 | /* OpenACC hooks. */ |
128 | extern bool default_goacc_validate_dims (tree, int [], int, unsigned); |
129 | extern int default_goacc_dim_limit (int); |
130 | extern bool default_goacc_fork_join (gcall *, const int [], bool); |
131 | extern void default_goacc_reduction (gcall *); |
132 | |
133 | /* These are here, and not in hooks.[ch], because not all users of |
134 | hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS. */ |
135 | |
136 | extern bool hook_bool_CUMULATIVE_ARGS_false (cumulative_args_t); |
137 | extern bool hook_bool_CUMULATIVE_ARGS_true (cumulative_args_t); |
138 | |
139 | extern bool hook_bool_CUMULATIVE_ARGS_arg_info_false |
140 | (cumulative_args_t, const function_arg_info &); |
141 | extern bool hook_bool_CUMULATIVE_ARGS_arg_info_true |
142 | (cumulative_args_t, const function_arg_info &); |
143 | extern int hook_int_CUMULATIVE_ARGS_arg_info_0 |
144 | (cumulative_args_t, const function_arg_info &); |
145 | extern void hook_void_CUMULATIVE_ARGS_tree |
146 | (cumulative_args_t, tree); |
147 | extern const char *hook_invalid_arg_for_unprototyped_fn |
148 | (const_tree, const_tree, const_tree); |
149 | extern void default_function_arg_advance |
150 | (cumulative_args_t, const function_arg_info &); |
151 | extern bool default_push_argument (unsigned int); |
152 | extern HOST_WIDE_INT default_function_arg_offset (machine_mode, const_tree); |
153 | extern pad_direction default_function_arg_padding (machine_mode, const_tree); |
154 | extern rtx default_function_arg (cumulative_args_t, const function_arg_info &); |
155 | extern rtx default_function_incoming_arg (cumulative_args_t, |
156 | const function_arg_info &); |
157 | extern unsigned int default_function_arg_boundary (machine_mode, |
158 | const_tree); |
159 | extern unsigned int default_function_arg_round_boundary (machine_mode, |
160 | const_tree); |
161 | extern bool hook_bool_const_rtx_commutative_p (const_rtx, int); |
162 | extern rtx default_function_value (const_tree, const_tree, bool); |
163 | extern HARD_REG_SET default_zero_call_used_regs (HARD_REG_SET); |
164 | extern rtx default_libcall_value (machine_mode, const_rtx); |
165 | extern bool default_function_value_regno_p (const unsigned int); |
166 | extern rtx default_internal_arg_pointer (void); |
167 | extern rtx default_static_chain (const_tree, bool); |
168 | extern void default_trampoline_init (rtx, tree, rtx); |
169 | extern void default_emit_call_builtin___clear_cache (rtx, rtx); |
170 | extern poly_int64 default_return_pops_args (tree, tree, poly_int64); |
171 | extern reg_class_t default_ira_change_pseudo_allocno_class (int, reg_class_t, |
172 | reg_class_t); |
173 | extern bool default_lra_p (void); |
174 | extern int default_register_priority (int); |
175 | extern bool default_register_usage_leveling_p (void); |
176 | extern bool default_different_addr_displacement_p (void); |
177 | extern reg_class_t default_secondary_reload (bool, rtx, reg_class_t, |
178 | machine_mode, |
179 | secondary_reload_info *); |
180 | extern machine_mode default_secondary_memory_needed_mode (machine_mode); |
181 | extern void default_target_option_override (void); |
182 | extern void hook_void_bitmap (bitmap); |
183 | extern int default_reloc_rw_mask (void); |
184 | extern bool default_generate_pic_addr_diff_vec (void); |
185 | extern void default_asm_out_constructor (rtx, int); |
186 | extern void default_asm_out_destructor (rtx, int); |
187 | extern tree default_mangle_decl_assembler_name (tree, tree); |
188 | extern tree default_emutls_var_fields (tree, tree *); |
189 | extern tree default_emutls_var_init (tree, tree, tree); |
190 | extern unsigned int default_hard_regno_nregs (unsigned int, machine_mode); |
191 | extern bool default_hard_regno_scratch_ok (unsigned int); |
192 | extern bool default_mode_dependent_address_p (const_rtx, addr_space_t); |
193 | extern bool default_new_address_profitable_p (rtx, rtx_insn *, rtx); |
194 | extern bool default_target_option_valid_attribute_p (tree, tree, tree, int); |
195 | extern bool default_target_option_pragma_parse (tree, tree); |
196 | extern bool default_target_can_inline_p (tree, tree); |
197 | extern bool default_update_ipa_fn_target_info (unsigned int &, const gimple *); |
198 | extern bool default_need_ipa_fn_target_info (const_tree, unsigned int &); |
199 | extern bool default_valid_pointer_mode (scalar_int_mode); |
200 | extern bool default_ref_may_alias_errno (class ao_ref *); |
201 | extern scalar_int_mode default_addr_space_pointer_mode (addr_space_t); |
202 | extern scalar_int_mode default_addr_space_address_mode (addr_space_t); |
203 | extern bool default_addr_space_valid_pointer_mode (scalar_int_mode, |
204 | addr_space_t); |
205 | extern bool default_addr_space_legitimate_address_p (machine_mode, rtx, bool, |
206 | addr_space_t, code_helper); |
207 | extern rtx default_addr_space_legitimize_address (rtx, rtx, machine_mode, |
208 | addr_space_t); |
209 | extern bool default_addr_space_subset_p (addr_space_t, addr_space_t); |
210 | extern bool default_addr_space_zero_address_valid (addr_space_t); |
211 | extern int default_addr_space_debug (addr_space_t); |
212 | extern void default_addr_space_diagnose_usage (addr_space_t, location_t); |
213 | extern rtx default_addr_space_convert (rtx, tree, tree); |
214 | extern unsigned int default_case_values_threshold (void); |
215 | extern bool default_have_conditional_execution (void); |
216 | |
217 | extern bool default_libc_has_function (enum function_class, tree); |
218 | extern bool default_libc_has_fast_function (int fcode); |
219 | extern bool no_c99_libc_has_function (enum function_class, tree); |
220 | extern bool gnu_libc_has_function (enum function_class, tree); |
221 | extern bool bsd_libc_has_function (enum function_class, tree); |
222 | extern unsigned default_libm_function_max_error (unsigned, machine_mode, bool); |
223 | extern unsigned glibc_linux_libm_function_max_error (unsigned, machine_mode, |
224 | bool); |
225 | |
226 | extern tree default_builtin_tm_load_store (tree); |
227 | |
228 | extern int default_memory_move_cost (machine_mode, reg_class_t, bool); |
229 | extern int default_register_move_cost (machine_mode, reg_class_t, |
230 | reg_class_t); |
231 | extern bool default_slow_unaligned_access (machine_mode, unsigned int); |
232 | extern HOST_WIDE_INT default_estimated_poly_value (poly_int64, |
233 | poly_value_estimate_kind); |
234 | |
235 | extern bool default_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT, |
236 | unsigned int, |
237 | enum by_pieces_operation, |
238 | bool); |
239 | extern int default_compare_by_pieces_branch_ratio (machine_mode); |
240 | |
241 | extern void default_print_patchable_function_entry (FILE *, |
242 | unsigned HOST_WIDE_INT, |
243 | bool); |
244 | extern bool default_profile_before_prologue (void); |
245 | extern reg_class_t default_preferred_reload_class (rtx, reg_class_t); |
246 | extern reg_class_t default_preferred_output_reload_class (rtx, reg_class_t); |
247 | extern reg_class_t default_preferred_rename_class (reg_class_t rclass); |
248 | extern bool default_class_likely_spilled_p (reg_class_t); |
249 | extern unsigned char default_class_max_nregs (reg_class_t, machine_mode); |
250 | |
251 | extern enum unwind_info_type default_debug_unwind_info (void); |
252 | |
253 | extern void default_canonicalize_comparison (int *, rtx *, rtx *, bool); |
254 | |
255 | extern section * default_function_section(tree decl, enum node_frequency freq, |
256 | bool startup, bool exit); |
257 | extern unsigned int default_dwarf_poly_indeterminate_value (unsigned int, |
258 | unsigned int *, |
259 | int *); |
260 | extern machine_mode default_dwarf_frame_reg_mode (int); |
261 | extern fixed_size_mode default_get_reg_raw_mode (int); |
262 | extern bool default_keep_leaf_when_profiled (); |
263 | |
264 | extern void *default_get_pch_validity (size_t *); |
265 | extern const char *default_pch_valid_p (const void *, size_t); |
266 | |
267 | extern void default_asm_output_ident_directive (const char*); |
268 | |
269 | extern scalar_int_mode default_cstore_mode (enum insn_code); |
270 | extern bool default_member_type_forces_blk (const_tree, machine_mode); |
271 | extern void default_atomic_assign_expand_fenv (tree *, tree *, tree *); |
272 | extern tree build_va_arg_indirect_ref (tree); |
273 | extern tree std_gimplify_va_arg_expr (tree, tree, gimple_seq *, gimple_seq *); |
274 | extern bool can_use_doloop_if_innermost (const widest_int &, |
275 | const widest_int &, |
276 | unsigned int, bool); |
277 | |
278 | extern bool default_optab_supported_p (int, machine_mode, machine_mode, |
279 | optimization_type); |
280 | extern unsigned int default_max_noce_ifcvt_seq_cost (edge); |
281 | extern bool default_noce_conversion_profitable_p (rtx_insn *, |
282 | struct noce_if_info *); |
283 | extern unsigned int default_min_arithmetic_precision (void); |
284 | |
285 | extern enum flt_eval_method |
286 | default_excess_precision (enum excess_precision_type ATTRIBUTE_UNUSED); |
287 | extern bool default_bitint_type_info (int, struct bitint_info *); |
288 | extern HOST_WIDE_INT default_stack_clash_protection_alloca_probe_range (void); |
289 | extern void default_select_early_remat_modes (sbitmap); |
290 | extern tree default_preferred_else_value (unsigned, tree, unsigned, tree *); |
291 | |
292 | extern bool default_have_speculation_safe_value (bool); |
293 | extern bool speculation_safe_value_not_needed (bool); |
294 | extern rtx default_speculation_safe_value (machine_mode, rtx, rtx, rtx); |
295 | |
296 | extern bool default_memtag_can_tag_addresses (); |
297 | extern uint8_t default_memtag_tag_size (); |
298 | extern uint8_t default_memtag_granule_size (); |
299 | extern rtx default_memtag_insert_random_tag (rtx, rtx); |
300 | extern rtx default_memtag_add_tag (rtx, poly_int64, uint8_t); |
301 | extern rtx default_memtag_set_tag (rtx, rtx, rtx); |
302 | extern rtx (rtx, rtx); |
303 | extern rtx default_memtag_untagged_pointer (rtx, rtx); |
304 | |
305 | extern HOST_WIDE_INT default_gcov_type_size (void); |
306 | |
307 | #endif /* GCC_TARGHOOKS_H */ |
308 | |