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61f71b34 1/* Default target hook functions.
a5544970 2 Copyright (C) 2003-2019 Free Software Foundation, Inc.
61f71b34
DD		 3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
9dcd6f09 8Software Foundation; either version 3, or (at your option) any later
61f71b34
DD		 9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14for more details.
15
16You should have received a copy of the GNU General Public License
9dcd6f09
NC		 17along with GCC; see the file COPYING3. If not see
18<http://www.gnu.org/licenses/>. */
61f71b34 19
f1717f8d
KC		 20#ifndef GCC_TARGHOOKS_H
21#define GCC_TARGHOOKS_H
22
ef4bddc2 23extern bool default_legitimate_address_p (machine_mode, rtx, bool);
c6c3dba9 24
6773a41c 25extern void default_external_libcall (rtx);
ef4bddc2 26extern rtx default_legitimize_address (rtx, rtx, machine_mode);
14133a4d 27extern bool default_legitimize_address_displacement (rtx *, rtx *,
9005477f 28 poly_int64, machine_mode);
6b10f174 29extern bool default_const_not_ok_for_debug_p (rtx);
6773a41c 30
215b063c 31extern int default_unspec_may_trap_p (const_rtx, unsigned);
ef4bddc2 32extern machine_mode default_promote_function_mode (const_tree, machine_mode,
cde0f3fd 33 int *, const_tree, int);
ef4bddc2
RS		 34extern machine_mode default_promote_function_mode_always_promote
35 (const_tree, machine_mode, int *, const_tree, int);
215b063c 36
ef4bddc2
RS		 37extern machine_mode default_cc_modes_compatible (machine_mode,
38 machine_mode);
e129d93a 39
586de218 40extern bool default_return_in_memory (const_tree, const_tree);
61f71b34
DD		 41
42extern rtx default_expand_builtin_saveregs (void);
ef4bddc2 43extern void default_setup_incoming_varargs (cumulative_args_t, machine_mode, tree, int *, int);
d6da68b9 44extern rtx default_builtin_setjmp_frame_value (void);
d5cc9181 45extern bool default_pretend_outgoing_varargs_named (cumulative_args_t);
c6e8c921 46
095a2d76
RS		 47extern scalar_int_mode default_eh_return_filter_mode (void);
48extern scalar_int_mode default_libgcc_cmp_return_mode (void);
49extern scalar_int_mode default_libgcc_shift_count_mode (void);
50extern scalar_int_mode default_unwind_word_mode (void);
273a2526 51extern unsigned HOST_WIDE_INT default_shift_truncation_mask
ef4bddc2
RS		 52 (machine_mode);
53extern unsigned int default_min_divisions_for_recip_mul (machine_mode);
095a2d76 54extern int default_mode_rep_extended (scalar_int_mode, scalar_int_mode);
93f90be6 55
7d69de61
RH		 56extern tree default_stack_protect_guard (void);
57extern tree default_external_stack_protect_fail (void);
58extern tree default_hidden_stack_protect_fail (void);
59
ef4bddc2 60extern machine_mode default_mode_for_suffix (char);
c77cd3d1 61
4185ae53 62extern tree default_cxx_guard_type (void);
46e995e0 63extern tree default_cxx_get_cookie_size (tree);
8cd5a4e0 64
8cd5a4e0 65extern bool hook_pass_by_reference_must_pass_in_stack
ef4bddc2 66 (cumulative_args_t, machine_mode mode, const_tree, bool);
6cdd5672 67extern bool hook_callee_copies_named
ef4bddc2 68 (cumulative_args_t ca, machine_mode, const_tree, bool);
951120ea 69
6e2188e0 70extern void default_print_operand (FILE *, rtx, int);
cc8ca59e 71extern void default_print_operand_address (FILE *, machine_mode, rtx);
6e2188e0 72extern bool default_print_operand_punct_valid_p (unsigned char);
77754180
DK		 73extern tree default_mangle_assembler_name (const char *);
74
8de583fc 75extern machine_mode default_translate_mode_attribute (machine_mode);
18e2a8b8 76extern bool default_scalar_mode_supported_p (scalar_mode);
7c5bd57a 77extern bool default_libgcc_floating_mode_supported_p (scalar_float_mode);
1ce87609 78extern opt_scalar_float_mode default_floatn_mode (int, bool);
c6762423 79extern bool default_floatn_builtin_p (int);
2e681adf
JR		 80extern bool targhook_words_big_endian (void);
81extern bool targhook_float_words_big_endian (void);
9193fb05 82extern bool default_float_exceptions_rounding_supported_p (void);
0884546e 83extern bool default_decimal_float_supported_p (void);
ab22c1fa 84extern bool default_fixed_point_supported_p (void);
6cdd5672 85
2f251a05
AI		 86extern bool default_has_ifunc_p (void);
87
ac44248e 88extern const char * default_invalid_within_doloop (const rtx_insn *);
a71a498d 89
10766209
RS		 90extern tree default_builtin_vectorized_function (unsigned int, tree, tree);
91extern tree default_builtin_md_vectorized_function (tree, tree, tree);
2505a3f2 92
88dd7150 93extern tree default_builtin_vectorized_conversion (unsigned int, tree, tree);
f57d17f1 94
720f5239 95extern int default_builtin_vectorization_cost (enum vect_cost_for_stmt, tree, int);
35e1a5e7 96
ee62a5a6 97extern tree default_builtin_reciprocal (tree);
cc2137be 98
f073de07 99extern HOST_WIDE_INT default_static_rtx_alignment (machine_mode);
58e17cf8
RS		 100extern HOST_WIDE_INT default_constant_alignment (const_tree, HOST_WIDE_INT);
101extern HOST_WIDE_INT constant_alignment_word_strings (const_tree,
102 HOST_WIDE_INT);
5aea1e76
UW		 103extern HOST_WIDE_INT default_vector_alignment (const_tree);
104
ca31798e 105extern poly_uint64 default_preferred_vector_alignment (const_tree);
3101faab 106extern bool default_builtin_vector_alignment_reachable (const_tree, bool);
0601d0cf 107extern bool
ef4bddc2 108default_builtin_support_vector_misalignment (machine_mode mode,
0601d0cf 109 const_tree,
b8698a0f 110 int, bool);
005ba29c 111extern machine_mode default_preferred_simd_mode (scalar_mode mode);
c803b2a9 112extern machine_mode default_split_reduction (machine_mode);
86e36728 113extern void default_autovectorize_vector_sizes (vector_sizes *);
87133c45 114extern opt_machine_mode default_get_mask_mode (poly_uint64, poly_uint64);
76a34e3f 115extern bool default_empty_mask_is_expensive (unsigned);
c3e7ee41
BS		 116extern void *default_init_cost (struct loop *);
117extern unsigned default_add_stmt_cost (void *, int, enum vect_cost_for_stmt,
92345349
BS		 118 struct _stmt_vec_info *, int,
119 enum vect_cost_model_location);
120extern void default_finish_cost (void *, unsigned *, unsigned *, unsigned *);
c3e7ee41 121extern void default_destroy_cost_data (void *);
5b900a4c 122
94829f87
NS		 123/* OpenACC hooks. */
124extern bool default_goacc_validate_dims (tree, int [], int);
bd751975 125extern int default_goacc_dim_limit (int);
6e91acf8 126extern bool default_goacc_fork_join (gcall *, const int [], bool);
e5014671 127extern void default_goacc_reduction (gcall *);
94829f87 128
6cdd5672
RH		 129/* These are here, and not in hooks.[ch], because not all users of
130 hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS. */
131
d5cc9181
JR		 132extern bool hook_bool_CUMULATIVE_ARGS_false (cumulative_args_t);
133extern bool hook_bool_CUMULATIVE_ARGS_true (cumulative_args_t);
6cdd5672
RH		 134
135extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
ef4bddc2 136 (cumulative_args_t, machine_mode, const_tree, bool);
6cdd5672 137extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true
ef4bddc2 138 (cumulative_args_t, machine_mode, const_tree, bool);
78a52f11 139extern int hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
ef4bddc2 140 (cumulative_args_t, machine_mode, tree, bool);
974aedcc
MP		 141extern void hook_void_CUMULATIVE_ARGS_tree
142 (cumulative_args_t, tree);
4d3e6fae 143extern const char *hook_invalid_arg_for_unprototyped_fn
3101faab 144 (const_tree, const_tree, const_tree);
3c07301f 145extern void default_function_arg_advance
ef4bddc2 146 (cumulative_args_t, machine_mode, const_tree, bool);
870118b7 147extern HOST_WIDE_INT default_function_arg_offset (machine_mode, const_tree);
76b0cbf8 148extern pad_direction default_function_arg_padding (machine_mode, const_tree);
3c07301f 149extern rtx default_function_arg
ef4bddc2 150 (cumulative_args_t, machine_mode, const_tree, bool);
3c07301f 151extern rtx default_function_incoming_arg
ef4bddc2
RS		 152 (cumulative_args_t, machine_mode, const_tree, bool);
153extern unsigned int default_function_arg_boundary (machine_mode,
c2ed6cf8 154 const_tree);
ef4bddc2 155extern unsigned int default_function_arg_round_boundary (machine_mode,
123148b5 156 const_tree);
3101faab 157extern bool hook_bool_const_rtx_commutative_p (const_rtx, int);
586de218 158extern rtx default_function_value (const_tree, const_tree, bool);
ef4bddc2 159extern rtx default_libcall_value (machine_mode, const_rtx);
82f81f18 160extern bool default_function_value_regno_p (const unsigned int);
150cdc9e 161extern rtx default_internal_arg_pointer (void);
531ca746 162extern rtx default_static_chain (const_tree, bool);
531ca746 163extern void default_trampoline_init (rtx, tree, rtx);
a20c5714 164extern poly_int64 default_return_pops_args (tree, tree, poly_int64);
a87cf97e 165extern reg_class_t default_branch_target_register_class (void);
31e2b5a3
WD		 166extern reg_class_t default_ira_change_pseudo_allocno_class (int, reg_class_t,
167 reg_class_t);
55a2c322
VM		 168extern bool default_lra_p (void);
169extern int default_register_priority (int);
3b9ceb4b 170extern bool default_register_usage_leveling_p (void);
55a2c322 171extern bool default_different_addr_displacement_p (void);
a87cf97e 172extern reg_class_t default_secondary_reload (bool, rtx, reg_class_t,
ef4bddc2 173 machine_mode,
a87cf97e 174 secondary_reload_info *);
94e23f53 175extern machine_mode default_secondary_memory_needed_mode (machine_mode);
74f7912a 176extern void default_target_option_override (void);
912f2dac 177extern void hook_void_bitmap (bitmap);
9b580a0b 178extern int default_reloc_rw_mask (void);
af1682fc 179extern bool default_generate_pic_addr_diff_vec (void);
5234b8f5 180extern tree default_mangle_decl_assembler_name (tree, tree);
feb60f03
NS		 181extern tree default_emutls_var_fields (tree, tree *);
182extern tree default_emutls_var_init (tree, tree, tree);
c43f4279 183extern unsigned int default_hard_regno_nregs (unsigned int, machine_mode);
dbc42c44 184extern bool default_hard_regno_scratch_ok (unsigned int);
5bfed9a9 185extern bool default_mode_dependent_address_p (const_rtx, addr_space_t);
ab442df7 186extern bool default_target_option_valid_attribute_p (tree, tree, tree, int);
5779e713 187extern bool default_target_option_pragma_parse (tree, tree);
5cec9f59 188extern bool default_target_can_inline_p (tree, tree);
095a2d76 189extern bool default_valid_pointer_mode (scalar_int_mode);
84562394 190extern bool default_ref_may_alias_errno (struct ao_ref *);
095a2d76
RS		 191extern scalar_int_mode default_addr_space_pointer_mode (addr_space_t);
192extern scalar_int_mode default_addr_space_address_mode (addr_space_t);
193extern bool default_addr_space_valid_pointer_mode (scalar_int_mode,
d4ebfa65 194 addr_space_t);
ef4bddc2 195extern bool default_addr_space_legitimate_address_p (machine_mode, rtx,
09e881c9 196 bool, addr_space_t);
ef4bddc2 197extern rtx default_addr_space_legitimize_address (rtx, rtx, machine_mode,
09e881c9
BE		 198 addr_space_t);
199extern bool default_addr_space_subset_p (addr_space_t, addr_space_t);
6626f970 200extern bool default_addr_space_zero_address_valid (addr_space_t);
f736b911 201extern int default_addr_space_debug (addr_space_t);
ffc22840 202extern void default_addr_space_diagnose_usage (addr_space_t, location_t);
09e881c9 203extern rtx default_addr_space_convert (rtx, tree, tree);
e6ff3083 204extern unsigned int default_case_values_threshold (void);
2929029c 205extern bool default_have_conditional_execution (void);
0a35513e 206
d33d9e47
AI		 207extern bool default_libc_has_function (enum function_class);
208extern bool no_c99_libc_has_function (enum function_class);
209extern bool gnu_libc_has_function (enum function_class);
210
0a35513e
AH		 211extern tree default_builtin_tm_load_store (tree);
212
ef4bddc2
RS		 213extern int default_memory_move_cost (machine_mode, reg_class_t, bool);
214extern int default_register_move_cost (machine_mode, reg_class_t,
a87cf97e 215 reg_class_t);
e0bd6c9f 216extern bool default_slow_unaligned_access (machine_mode, unsigned int);
e535b963 217extern HOST_WIDE_INT default_estimated_poly_value (poly_int64);
de8f4b07 218
445d7826 219extern bool default_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT,
7cbed008
JG		 220 unsigned int,
221 enum by_pieces_operation,
222 bool);
36b85e43 223extern int default_compare_by_pieces_branch_ratio (machine_mode);
7cbed008 224
417ca011
TD		 225extern void default_print_patchable_function_entry (FILE *,
226 unsigned HOST_WIDE_INT,
227 bool);
3c5273a9 228extern bool default_profile_before_prologue (void);
fba42e24 229extern reg_class_t default_preferred_reload_class (rtx, reg_class_t);
abd26bfb 230extern reg_class_t default_preferred_output_reload_class (rtx, reg_class_t);
5f286f4a 231extern reg_class_t default_preferred_rename_class (reg_class_t rclass);
07b8f0a8 232extern bool default_class_likely_spilled_p (reg_class_t);
ef4bddc2 233extern unsigned char default_class_max_nregs (reg_class_t, machine_mode);
f0a0390e
RH		 234
235extern enum unwind_info_type default_debug_unwind_info (void);
ad0c4c36 236
f236ac95 237extern void default_canonicalize_comparison (int *, rtx *, rtx *, bool);
c354951b 238
f16d3f39
JH		 239extern section * default_function_section(tree decl, enum node_frequency freq,
240 bool startup, bool exit);
74c74aa0
RS		 241extern unsigned int default_dwarf_poly_indeterminate_value (unsigned int,
242 unsigned int *,
243 int *);
ef4bddc2 244extern machine_mode default_dwarf_frame_reg_mode (int);
ef1d3b57 245extern fixed_size_mode default_get_reg_raw_mode (int);
d56a43a0 246extern bool default_keep_leaf_when_profiled ();
ffa88471 247
a803773f
JM		 248extern void *default_get_pch_validity (size_t *);
249extern const char *default_pch_valid_p (const void *, size_t);
a8781821
SB		 250
251extern void default_asm_output_ident_directive (const char*);
252
7cc237a6 253extern scalar_int_mode default_cstore_mode (enum insn_code);
ef4bddc2 254extern bool default_member_type_forces_blk (const_tree, machine_mode);
267bac10 255extern void default_atomic_assign_expand_fenv (tree *, tree *, tree *);
4a7cb16f
AM		 256extern tree build_va_arg_indirect_ref (tree);
257extern tree std_gimplify_va_arg_expr (tree, tree, gimple_seq *, gimple_seq *);
807e902e
KZ		 258extern bool can_use_doloop_if_innermost (const widest_int &,
259 const widest_int &,
1d0216c8 260 unsigned int, bool);
f1717f8d 261
d5e254e1
IE		 262extern rtx default_load_bounds_for_arg (rtx, rtx, rtx);
263extern void default_store_bounds_for_arg (rtx, rtx, rtx, rtx);
264extern rtx default_load_returned_bounds (rtx);
265extern void default_store_returned_bounds (rtx,rtx);
d5e254e1 266extern void default_setup_incoming_vararg_bounds (cumulative_args_t ca ATTRIBUTE_UNUSED,
b8506a8a 267 machine_mode mode ATTRIBUTE_UNUSED,
d5e254e1
IE		 268 tree type ATTRIBUTE_UNUSED,
269 int *pretend_arg_size ATTRIBUTE_UNUSED,
270 int second_time ATTRIBUTE_UNUSED);
d95ab70a
RS		 271extern bool default_optab_supported_p (int, machine_mode, machine_mode,
272 optimization_type);
e914c11a 273extern unsigned int default_max_noce_ifcvt_seq_cost (edge);
d16e2ddd
JJ		 274extern bool default_noce_conversion_profitable_p (rtx_insn *,
275 struct noce_if_info *);
894d8b41 276extern unsigned int default_min_arithmetic_precision (void);
e914c11a 277
42e02b20
JG		 278extern enum flt_eval_method
279default_excess_precision (enum excess_precision_type ATTRIBUTE_UNUSED);
2c25083e 280extern HOST_WIDE_INT default_stack_clash_protection_alloca_probe_range (void);
5cce8171 281extern void default_select_early_remat_modes (sbitmap);
6a86928d 282extern tree default_preferred_else_value (unsigned, tree, unsigned, tree *);
42e02b20 283
425fc685 284extern bool default_have_speculation_safe_value (bool);
f3debef3 285extern bool speculation_safe_value_not_needed (bool);
425fc685
RE		 286extern rtx default_speculation_safe_value (machine_mode, rtx, rtx, rtx);
287
f1717f8d 288#endif /* GCC_TARGHOOKS_H */
Mirror of https://gcc.gnu.org/git/gcc.git