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Turn CONSTANT_ALIGNMENT into a hook
[thirdparty/gcc.git] / gcc / targhooks.h
CommitLineData
61f71b34 1/* Default target hook functions.
cbe34bb5 2 Copyright (C) 2003-2017 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
KK		 27extern bool default_legitimize_address_displacement (rtx *, rtx *,
28 machine_mode);
6773a41c 29
215b063c 30extern int default_unspec_may_trap_p (const_rtx, unsigned);
ef4bddc2 31extern machine_mode default_promote_function_mode (const_tree, machine_mode,
cde0f3fd 32 int *, const_tree, int);
ef4bddc2
RS		 33extern machine_mode default_promote_function_mode_always_promote
34 (const_tree, machine_mode, int *, const_tree, int);
215b063c 35
ef4bddc2
RS		 36extern machine_mode default_cc_modes_compatible (machine_mode,
37 machine_mode);
e129d93a 38
586de218 39extern bool default_return_in_memory (const_tree, const_tree);
61f71b34
DD		 40
41extern rtx default_expand_builtin_saveregs (void);
ef4bddc2 42extern void default_setup_incoming_varargs (cumulative_args_t, machine_mode, tree, int *, int);
d6da68b9 43extern rtx default_builtin_setjmp_frame_value (void);
d5cc9181 44extern bool default_pretend_outgoing_varargs_named (cumulative_args_t);
c6e8c921 45
095a2d76
RS		 46extern scalar_int_mode default_eh_return_filter_mode (void);
47extern scalar_int_mode default_libgcc_cmp_return_mode (void);
48extern scalar_int_mode default_libgcc_shift_count_mode (void);
49extern scalar_int_mode default_unwind_word_mode (void);
273a2526 50extern unsigned HOST_WIDE_INT default_shift_truncation_mask
ef4bddc2
RS		 51 (machine_mode);
52extern unsigned int default_min_divisions_for_recip_mul (machine_mode);
095a2d76 53extern int default_mode_rep_extended (scalar_int_mode, scalar_int_mode);
93f90be6 54
7d69de61
RH		 55extern tree default_stack_protect_guard (void);
56extern tree default_external_stack_protect_fail (void);
57extern tree default_hidden_stack_protect_fail (void);
58
ef4bddc2 59extern machine_mode default_mode_for_suffix (char);
c77cd3d1 60
4185ae53 61extern tree default_cxx_guard_type (void);
46e995e0 62extern tree default_cxx_get_cookie_size (tree);
8cd5a4e0 63
8cd5a4e0 64extern bool hook_pass_by_reference_must_pass_in_stack
ef4bddc2 65 (cumulative_args_t, machine_mode mode, const_tree, bool);
6cdd5672 66extern bool hook_callee_copies_named
ef4bddc2 67 (cumulative_args_t ca, machine_mode, const_tree, bool);
951120ea 68
6e2188e0 69extern void default_print_operand (FILE *, rtx, int);
cc8ca59e 70extern void default_print_operand_address (FILE *, machine_mode, rtx);
6e2188e0 71extern bool default_print_operand_punct_valid_p (unsigned char);
77754180
DK		 72extern tree default_mangle_assembler_name (const char *);
73
18e2a8b8 74extern bool default_scalar_mode_supported_p (scalar_mode);
7c5bd57a 75extern bool default_libgcc_floating_mode_supported_p (scalar_float_mode);
1ce87609 76extern opt_scalar_float_mode default_floatn_mode (int, bool);
2e681adf
JR		 77extern bool targhook_words_big_endian (void);
78extern bool targhook_float_words_big_endian (void);
9193fb05 79extern bool default_float_exceptions_rounding_supported_p (void);
0884546e 80extern bool default_decimal_float_supported_p (void);
ab22c1fa 81extern bool default_fixed_point_supported_p (void);
6cdd5672 82
2f251a05
AI		 83extern bool default_has_ifunc_p (void);
84
ac44248e 85extern const char * default_invalid_within_doloop (const rtx_insn *);
a71a498d 86
10766209
RS		 87extern tree default_builtin_vectorized_function (unsigned int, tree, tree);
88extern tree default_builtin_md_vectorized_function (tree, tree, tree);
2505a3f2 89
88dd7150 90extern tree default_builtin_vectorized_conversion (unsigned int, tree, tree);
f57d17f1 91
720f5239 92extern int default_builtin_vectorization_cost (enum vect_cost_for_stmt, tree, int);
35e1a5e7 93
ee62a5a6 94extern tree default_builtin_reciprocal (tree);
cc2137be 95
58e17cf8
RS		 96extern HOST_WIDE_INT default_constant_alignment (const_tree, HOST_WIDE_INT);
97extern HOST_WIDE_INT constant_alignment_word_strings (const_tree,
98 HOST_WIDE_INT);
5aea1e76
UW		 99extern HOST_WIDE_INT default_vector_alignment (const_tree);
100
f702e7d4 101extern HOST_WIDE_INT default_preferred_vector_alignment (const_tree);
3101faab 102extern bool default_builtin_vector_alignment_reachable (const_tree, bool);
0601d0cf 103extern bool
ef4bddc2 104default_builtin_support_vector_misalignment (machine_mode mode,
0601d0cf 105 const_tree,
b8698a0f 106 int, bool);
005ba29c 107extern machine_mode default_preferred_simd_mode (scalar_mode mode);
767f865f 108extern unsigned int default_autovectorize_vector_sizes (void);
3981fbb6 109extern opt_machine_mode default_get_mask_mode (unsigned, unsigned);
c3e7ee41
BS		 110extern void *default_init_cost (struct loop *);
111extern unsigned default_add_stmt_cost (void *, int, enum vect_cost_for_stmt,
92345349
BS		 112 struct _stmt_vec_info *, int,
113 enum vect_cost_model_location);
114extern void default_finish_cost (void *, unsigned *, unsigned *, unsigned *);
c3e7ee41 115extern void default_destroy_cost_data (void *);
5b900a4c 116
94829f87
NS		 117/* OpenACC hooks. */
118extern bool default_goacc_validate_dims (tree, int [], int);
bd751975 119extern int default_goacc_dim_limit (int);
6e91acf8 120extern bool default_goacc_fork_join (gcall *, const int [], bool);
e5014671 121extern void default_goacc_reduction (gcall *);
94829f87 122
6cdd5672
RH		 123/* These are here, and not in hooks.[ch], because not all users of
124 hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS. */
125
d5cc9181
JR		 126extern bool hook_bool_CUMULATIVE_ARGS_false (cumulative_args_t);
127extern bool hook_bool_CUMULATIVE_ARGS_true (cumulative_args_t);
6cdd5672
RH		 128
129extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
ef4bddc2 130 (cumulative_args_t, machine_mode, const_tree, bool);
6cdd5672 131extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true
ef4bddc2 132 (cumulative_args_t, machine_mode, const_tree, bool);
78a52f11 133extern int hook_int_CUMULATIVE_ARGS_mode_tree_bool_0
ef4bddc2 134 (cumulative_args_t, machine_mode, tree, bool);
4d3e6fae 135extern const char *hook_invalid_arg_for_unprototyped_fn
3101faab 136 (const_tree, const_tree, const_tree);
3c07301f 137extern void default_function_arg_advance
ef4bddc2 138 (cumulative_args_t, machine_mode, const_tree, bool);
870118b7 139extern HOST_WIDE_INT default_function_arg_offset (machine_mode, const_tree);
76b0cbf8 140extern pad_direction default_function_arg_padding (machine_mode, const_tree);
3c07301f 141extern rtx default_function_arg
ef4bddc2 142 (cumulative_args_t, machine_mode, const_tree, bool);
3c07301f 143extern rtx default_function_incoming_arg
ef4bddc2
RS		 144 (cumulative_args_t, machine_mode, const_tree, bool);
145extern unsigned int default_function_arg_boundary (machine_mode,
c2ed6cf8 146 const_tree);
ef4bddc2 147extern unsigned int default_function_arg_round_boundary (machine_mode,
123148b5 148 const_tree);
3101faab 149extern bool hook_bool_const_rtx_commutative_p (const_rtx, int);
586de218 150extern rtx default_function_value (const_tree, const_tree, bool);
ef4bddc2 151extern rtx default_libcall_value (machine_mode, const_rtx);
82f81f18 152extern bool default_function_value_regno_p (const unsigned int);
150cdc9e 153extern rtx default_internal_arg_pointer (void);
531ca746 154extern rtx default_static_chain (const_tree, bool);
531ca746 155extern void default_trampoline_init (rtx, tree, rtx);
079e7538 156extern int default_return_pops_args (tree, tree, int);
a87cf97e 157extern reg_class_t default_branch_target_register_class (void);
31e2b5a3
WD		 158extern reg_class_t default_ira_change_pseudo_allocno_class (int, reg_class_t,
159 reg_class_t);
55a2c322
VM		 160extern bool default_lra_p (void);
161extern int default_register_priority (int);
3b9ceb4b 162extern bool default_register_usage_leveling_p (void);
55a2c322 163extern bool default_different_addr_displacement_p (void);
a87cf97e 164extern reg_class_t default_secondary_reload (bool, rtx, reg_class_t,
ef4bddc2 165 machine_mode,
a87cf97e 166 secondary_reload_info *);
94e23f53 167extern machine_mode default_secondary_memory_needed_mode (machine_mode);
74f7912a 168extern void default_target_option_override (void);
912f2dac 169extern void hook_void_bitmap (bitmap);
9b580a0b 170extern int default_reloc_rw_mask (void);
5234b8f5 171extern tree default_mangle_decl_assembler_name (tree, tree);
feb60f03
NS		 172extern tree default_emutls_var_fields (tree, tree *);
173extern tree default_emutls_var_init (tree, tree, tree);
c43f4279 174extern unsigned int default_hard_regno_nregs (unsigned int, machine_mode);
dbc42c44 175extern bool default_hard_regno_scratch_ok (unsigned int);
5bfed9a9 176extern bool default_mode_dependent_address_p (const_rtx, addr_space_t);
ab442df7 177extern bool default_target_option_valid_attribute_p (tree, tree, tree, int);
5779e713 178extern bool default_target_option_pragma_parse (tree, tree);
5cec9f59 179extern bool default_target_can_inline_p (tree, tree);
095a2d76 180extern bool default_valid_pointer_mode (scalar_int_mode);
84562394 181extern bool default_ref_may_alias_errno (struct ao_ref *);
095a2d76
RS		 182extern scalar_int_mode default_addr_space_pointer_mode (addr_space_t);
183extern scalar_int_mode default_addr_space_address_mode (addr_space_t);
184extern bool default_addr_space_valid_pointer_mode (scalar_int_mode,
d4ebfa65 185 addr_space_t);
ef4bddc2 186extern bool default_addr_space_legitimate_address_p (machine_mode, rtx,
09e881c9 187 bool, addr_space_t);
ef4bddc2 188extern rtx default_addr_space_legitimize_address (rtx, rtx, machine_mode,
09e881c9
BE		 189 addr_space_t);
190extern bool default_addr_space_subset_p (addr_space_t, addr_space_t);
6626f970 191extern bool default_addr_space_zero_address_valid (addr_space_t);
f736b911 192extern int default_addr_space_debug (addr_space_t);
ffc22840 193extern void default_addr_space_diagnose_usage (addr_space_t, location_t);
09e881c9 194extern rtx default_addr_space_convert (rtx, tree, tree);
e6ff3083 195extern unsigned int default_case_values_threshold (void);
2929029c 196extern bool default_have_conditional_execution (void);
0a35513e 197
d33d9e47
AI		 198extern bool default_libc_has_function (enum function_class);
199extern bool no_c99_libc_has_function (enum function_class);
200extern bool gnu_libc_has_function (enum function_class);
201
0a35513e
AH		 202extern tree default_builtin_tm_load_store (tree);
203
ef4bddc2
RS		 204extern int default_memory_move_cost (machine_mode, reg_class_t, bool);
205extern int default_register_move_cost (machine_mode, reg_class_t,
a87cf97e 206 reg_class_t);
e0bd6c9f 207extern bool default_slow_unaligned_access (machine_mode, unsigned int);
de8f4b07 208
445d7826 209extern bool default_use_by_pieces_infrastructure_p (unsigned HOST_WIDE_INT,
7cbed008
JG		 210 unsigned int,
211 enum by_pieces_operation,
212 bool);
36b85e43 213extern int default_compare_by_pieces_branch_ratio (machine_mode);
7cbed008 214
417ca011
TD		 215extern void default_print_patchable_function_entry (FILE *,
216 unsigned HOST_WIDE_INT,
217 bool);
3c5273a9 218extern bool default_profile_before_prologue (void);
fba42e24 219extern reg_class_t default_preferred_reload_class (rtx, reg_class_t);
abd26bfb 220extern reg_class_t default_preferred_output_reload_class (rtx, reg_class_t);
5f286f4a 221extern reg_class_t default_preferred_rename_class (reg_class_t rclass);
07b8f0a8 222extern bool default_class_likely_spilled_p (reg_class_t);
ef4bddc2 223extern unsigned char default_class_max_nregs (reg_class_t, machine_mode);
f0a0390e
RH		 224
225extern enum unwind_info_type default_debug_unwind_info (void);
ad0c4c36 226
f236ac95 227extern void default_canonicalize_comparison (int *, rtx *, rtx *, bool);
c354951b 228
9158a0d8
DM		 229extern int default_label_align_after_barrier_max_skip (rtx_insn *);
230extern int default_loop_align_max_skip (rtx_insn *);
231extern int default_label_align_max_skip (rtx_insn *);
232extern int default_jump_align_max_skip (rtx_insn *);
f16d3f39
JH		 233extern section * default_function_section(tree decl, enum node_frequency freq,
234 bool startup, bool exit);
ef4bddc2
RS		 235extern machine_mode default_dwarf_frame_reg_mode (int);
236extern machine_mode default_get_reg_raw_mode (int);
d56a43a0 237extern bool default_keep_leaf_when_profiled ();
ffa88471 238
a803773f
JM		 239extern void *default_get_pch_validity (size_t *);
240extern const char *default_pch_valid_p (const void *, size_t);
a8781821
SB		 241
242extern void default_asm_output_ident_directive (const char*);
243
7cc237a6 244extern scalar_int_mode default_cstore_mode (enum insn_code);
ef4bddc2 245extern bool default_member_type_forces_blk (const_tree, machine_mode);
267bac10 246extern void default_atomic_assign_expand_fenv (tree *, tree *, tree *);
4a7cb16f
AM		 247extern tree build_va_arg_indirect_ref (tree);
248extern tree std_gimplify_va_arg_expr (tree, tree, gimple_seq *, gimple_seq *);
807e902e
KZ		 249extern bool can_use_doloop_if_innermost (const widest_int &,
250 const widest_int &,
1d0216c8 251 unsigned int, bool);
f1717f8d 252
d5e254e1
IE		 253extern rtx default_load_bounds_for_arg (rtx, rtx, rtx);
254extern void default_store_bounds_for_arg (rtx, rtx, rtx, rtx);
255extern rtx default_load_returned_bounds (rtx);
256extern void default_store_returned_bounds (rtx,rtx);
257extern tree default_chkp_bound_type (void);
b8506a8a 258extern machine_mode default_chkp_bound_mode (void);
d5e254e1
IE		 259extern tree default_builtin_chkp_function (unsigned int);
260extern rtx default_chkp_function_value_bounds (const_tree, const_tree, bool);
261extern tree default_chkp_make_bounds_constant (HOST_WIDE_INT lb, HOST_WIDE_INT ub);
262extern int default_chkp_initialize_bounds (tree var, tree lb, tree ub,
263 tree *stmts);
264extern void default_setup_incoming_vararg_bounds (cumulative_args_t ca ATTRIBUTE_UNUSED,
b8506a8a 265 machine_mode mode ATTRIBUTE_UNUSED,
d5e254e1
IE		 266 tree type ATTRIBUTE_UNUSED,
267 int *pretend_arg_size ATTRIBUTE_UNUSED,
268 int second_time ATTRIBUTE_UNUSED);
d95ab70a
RS		 269extern bool default_optab_supported_p (int, machine_mode, machine_mode,
270 optimization_type);
e914c11a 271extern unsigned int default_max_noce_ifcvt_seq_cost (edge);
d16e2ddd
JJ		 272extern bool default_noce_conversion_profitable_p (rtx_insn *,
273 struct noce_if_info *);
894d8b41 274extern unsigned int default_min_arithmetic_precision (void);
e914c11a 275
42e02b20
JG		 276extern enum flt_eval_method
277default_excess_precision (enum excess_precision_type ATTRIBUTE_UNUSED);
8c1dd970 278extern bool default_stack_clash_protection_final_dynamic_probe (rtx);
42e02b20 279
f1717f8d 280#endif /* GCC_TARGHOOKS_H */
Mirror of https://gcc.gnu.org/git/gcc.git