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61f71b34 | 1 | /* Default target hook functions. |
23a5b65a | 2 | Copyright (C) 2003-2014 Free Software Foundation, Inc. |
61f71b34 DD |
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 | |
9dcd6f09 | 8 | Software Foundation; either version 3, or (at your option) any later |
61f71b34 DD |
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 | |
9dcd6f09 NC |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ | |
61f71b34 | 19 | |
c6c3dba9 PB |
20 | extern bool default_legitimate_address_p (enum machine_mode, rtx, bool); |
21 | ||
6773a41c | 22 | extern void default_external_libcall (rtx); |
506d7b68 | 23 | extern rtx default_legitimize_address (rtx, rtx, enum machine_mode); |
6773a41c | 24 | |
215b063c | 25 | extern int default_unspec_may_trap_p (const_rtx, unsigned); |
cde0f3fd PB |
26 | extern enum machine_mode default_promote_function_mode (const_tree, enum machine_mode, |
27 | int *, const_tree, int); | |
28 | extern enum machine_mode default_promote_function_mode_always_promote | |
29 | (const_tree, enum machine_mode, int *, const_tree, int); | |
215b063c | 30 | |
e129d93a ILT |
31 | extern enum machine_mode default_cc_modes_compatible (enum machine_mode, |
32 | enum machine_mode); | |
33 | ||
586de218 | 34 | extern bool default_return_in_memory (const_tree, const_tree); |
61f71b34 DD |
35 | |
36 | extern rtx default_expand_builtin_saveregs (void); | |
d5cc9181 | 37 | extern void default_setup_incoming_varargs (cumulative_args_t, enum machine_mode, tree, int *, int); |
d6da68b9 | 38 | extern rtx default_builtin_setjmp_frame_value (void); |
d5cc9181 | 39 | extern bool default_pretend_outgoing_varargs_named (cumulative_args_t); |
c6e8c921 | 40 | |
93f90be6 | 41 | extern enum machine_mode default_eh_return_filter_mode (void); |
c7ff6e7a AK |
42 | extern enum machine_mode default_libgcc_cmp_return_mode (void); |
43 | extern enum machine_mode default_libgcc_shift_count_mode (void); | |
7b0518e3 | 44 | extern enum machine_mode default_unwind_word_mode (void); |
273a2526 RS |
45 | extern unsigned HOST_WIDE_INT default_shift_truncation_mask |
46 | (enum machine_mode); | |
bc23502b | 47 | extern unsigned int default_min_divisions_for_recip_mul (enum machine_mode); |
b12cbf2c | 48 | extern int default_mode_rep_extended (enum machine_mode, enum machine_mode); |
93f90be6 | 49 | |
7d69de61 RH |
50 | extern tree default_stack_protect_guard (void); |
51 | extern tree default_external_stack_protect_fail (void); | |
52 | extern tree default_hidden_stack_protect_fail (void); | |
53 | ||
c77cd3d1 UB |
54 | extern enum machine_mode default_mode_for_suffix (char); |
55 | ||
4185ae53 | 56 | extern tree default_cxx_guard_type (void); |
46e995e0 | 57 | extern tree default_cxx_get_cookie_size (tree); |
8cd5a4e0 | 58 | |
8cd5a4e0 | 59 | extern bool hook_pass_by_reference_must_pass_in_stack |
d5cc9181 | 60 | (cumulative_args_t, enum machine_mode mode, const_tree, bool); |
6cdd5672 | 61 | extern bool hook_callee_copies_named |
d5cc9181 | 62 | (cumulative_args_t ca, enum machine_mode, const_tree, bool); |
951120ea | 63 | |
6e2188e0 NF |
64 | extern void default_print_operand (FILE *, rtx, int); |
65 | extern void default_print_operand_address (FILE *, rtx); | |
66 | extern bool default_print_operand_punct_valid_p (unsigned char); | |
77754180 DK |
67 | extern tree default_mangle_assembler_name (const char *); |
68 | ||
6dd53648 | 69 | extern bool default_scalar_mode_supported_p (enum machine_mode); |
2e681adf JR |
70 | extern bool targhook_words_big_endian (void); |
71 | extern bool targhook_float_words_big_endian (void); | |
9193fb05 | 72 | extern bool default_float_exceptions_rounding_supported_p (void); |
0884546e | 73 | extern bool default_decimal_float_supported_p (void); |
ab22c1fa | 74 | extern bool default_fixed_point_supported_p (void); |
6cdd5672 | 75 | |
2f251a05 AI |
76 | extern bool default_has_ifunc_p (void); |
77 | ||
ac44248e | 78 | extern const char * default_invalid_within_doloop (const rtx_insn *); |
a71a498d | 79 | |
62f7fd21 | 80 | extern tree default_builtin_vectorized_function (tree, tree, tree); |
2505a3f2 | 81 | |
88dd7150 | 82 | extern tree default_builtin_vectorized_conversion (unsigned int, tree, tree); |
f57d17f1 | 83 | |
720f5239 | 84 | extern int default_builtin_vectorization_cost (enum vect_cost_for_stmt, tree, int); |
35e1a5e7 | 85 | |
744aa42f | 86 | extern tree default_builtin_reciprocal (unsigned int, bool, bool); |
cc2137be | 87 | |
5aea1e76 UW |
88 | extern HOST_WIDE_INT default_vector_alignment (const_tree); |
89 | ||
3101faab | 90 | extern bool default_builtin_vector_alignment_reachable (const_tree, bool); |
0601d0cf RE |
91 | extern bool |
92 | default_builtin_support_vector_misalignment (enum machine_mode mode, | |
93 | const_tree, | |
b8698a0f | 94 | int, bool); |
cc4b5170 | 95 | extern enum machine_mode default_preferred_simd_mode (enum machine_mode mode); |
767f865f | 96 | extern unsigned int default_autovectorize_vector_sizes (void); |
c3e7ee41 BS |
97 | extern void *default_init_cost (struct loop *); |
98 | extern unsigned default_add_stmt_cost (void *, int, enum vect_cost_for_stmt, | |
92345349 BS |
99 | struct _stmt_vec_info *, int, |
100 | enum vect_cost_model_location); | |
101 | extern void default_finish_cost (void *, unsigned *, unsigned *, unsigned *); | |
c3e7ee41 | 102 | extern void default_destroy_cost_data (void *); |
5b900a4c | 103 | |
6cdd5672 RH |
104 | /* These are here, and not in hooks.[ch], because not all users of |
105 | hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS. */ | |
106 | ||
d5cc9181 JR |
107 | extern bool hook_bool_CUMULATIVE_ARGS_false (cumulative_args_t); |
108 | extern bool hook_bool_CUMULATIVE_ARGS_true (cumulative_args_t); | |
6cdd5672 RH |
109 | |
110 | extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false | |
d5cc9181 | 111 | (cumulative_args_t, enum machine_mode, const_tree, bool); |
6cdd5672 | 112 | extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true |
d5cc9181 | 113 | (cumulative_args_t, enum machine_mode, const_tree, bool); |
78a52f11 | 114 | extern int hook_int_CUMULATIVE_ARGS_mode_tree_bool_0 |
d5cc9181 | 115 | (cumulative_args_t, enum machine_mode, tree, bool); |
4d3e6fae | 116 | extern const char *hook_invalid_arg_for_unprototyped_fn |
3101faab | 117 | (const_tree, const_tree, const_tree); |
3c07301f | 118 | extern void default_function_arg_advance |
d5cc9181 | 119 | (cumulative_args_t, enum machine_mode, const_tree, bool); |
3c07301f | 120 | extern rtx default_function_arg |
d5cc9181 | 121 | (cumulative_args_t, enum machine_mode, const_tree, bool); |
3c07301f | 122 | extern rtx default_function_incoming_arg |
d5cc9181 | 123 | (cumulative_args_t, enum machine_mode, const_tree, bool); |
c2ed6cf8 NF |
124 | extern unsigned int default_function_arg_boundary (enum machine_mode, |
125 | const_tree); | |
123148b5 BS |
126 | extern unsigned int default_function_arg_round_boundary (enum machine_mode, |
127 | const_tree); | |
3101faab | 128 | extern bool hook_bool_const_rtx_commutative_p (const_rtx, int); |
586de218 | 129 | extern rtx default_function_value (const_tree, const_tree, bool); |
7fc6a96b | 130 | extern rtx default_libcall_value (enum machine_mode, const_rtx); |
82f81f18 | 131 | extern bool default_function_value_regno_p (const unsigned int); |
150cdc9e | 132 | extern rtx default_internal_arg_pointer (void); |
531ca746 | 133 | extern rtx default_static_chain (const_tree, bool); |
531ca746 | 134 | extern void default_trampoline_init (rtx, tree, rtx); |
079e7538 | 135 | extern int default_return_pops_args (tree, tree, int); |
a87cf97e | 136 | extern reg_class_t default_branch_target_register_class (void); |
55a2c322 VM |
137 | extern bool default_lra_p (void); |
138 | extern int default_register_priority (int); | |
3b9ceb4b | 139 | extern bool default_register_usage_leveling_p (void); |
55a2c322 | 140 | extern bool default_different_addr_displacement_p (void); |
a87cf97e JR |
141 | extern reg_class_t default_secondary_reload (bool, rtx, reg_class_t, |
142 | enum machine_mode, | |
143 | secondary_reload_info *); | |
74f7912a | 144 | extern void default_target_option_override (void); |
912f2dac | 145 | extern void hook_void_bitmap (bitmap); |
9b580a0b | 146 | extern int default_reloc_rw_mask (void); |
5234b8f5 | 147 | extern tree default_mangle_decl_assembler_name (tree, tree); |
feb60f03 NS |
148 | extern tree default_emutls_var_fields (tree, tree *); |
149 | extern tree default_emutls_var_init (tree, tree, tree); | |
dbc42c44 | 150 | extern bool default_hard_regno_scratch_ok (unsigned int); |
5bfed9a9 | 151 | extern bool default_mode_dependent_address_p (const_rtx, addr_space_t); |
ab442df7 | 152 | extern bool default_target_option_valid_attribute_p (tree, tree, tree, int); |
5779e713 | 153 | extern bool default_target_option_pragma_parse (tree, tree); |
5cec9f59 | 154 | extern bool default_target_can_inline_p (tree, tree); |
d4ebfa65 | 155 | extern bool default_valid_pointer_mode (enum machine_mode); |
84562394 | 156 | extern bool default_ref_may_alias_errno (struct ao_ref *); |
d4ebfa65 BE |
157 | extern enum machine_mode default_addr_space_pointer_mode (addr_space_t); |
158 | extern enum machine_mode default_addr_space_address_mode (addr_space_t); | |
159 | extern bool default_addr_space_valid_pointer_mode (enum machine_mode, | |
160 | addr_space_t); | |
09e881c9 BE |
161 | extern bool default_addr_space_legitimate_address_p (enum machine_mode, rtx, |
162 | bool, addr_space_t); | |
163 | extern rtx default_addr_space_legitimize_address (rtx, rtx, enum machine_mode, | |
164 | addr_space_t); | |
165 | extern bool default_addr_space_subset_p (addr_space_t, addr_space_t); | |
166 | extern rtx default_addr_space_convert (rtx, tree, tree); | |
e6ff3083 | 167 | extern unsigned int default_case_values_threshold (void); |
2929029c | 168 | extern bool default_have_conditional_execution (void); |
0a35513e | 169 | |
d33d9e47 AI |
170 | extern bool default_libc_has_function (enum function_class); |
171 | extern bool no_c99_libc_has_function (enum function_class); | |
172 | extern bool gnu_libc_has_function (enum function_class); | |
173 | ||
0a35513e AH |
174 | extern tree default_builtin_tm_load_store (tree); |
175 | ||
a87cf97e JR |
176 | extern int default_memory_move_cost (enum machine_mode, reg_class_t, bool); |
177 | extern int default_register_move_cost (enum machine_mode, reg_class_t, | |
178 | reg_class_t); | |
de8f4b07 | 179 | |
3c5273a9 | 180 | extern bool default_profile_before_prologue (void); |
fba42e24 | 181 | extern reg_class_t default_preferred_reload_class (rtx, reg_class_t); |
abd26bfb | 182 | extern reg_class_t default_preferred_output_reload_class (rtx, reg_class_t); |
5f286f4a | 183 | extern reg_class_t default_preferred_rename_class (reg_class_t rclass); |
07b8f0a8 | 184 | extern bool default_class_likely_spilled_p (reg_class_t); |
a8c44c52 | 185 | extern unsigned char default_class_max_nregs (reg_class_t, enum machine_mode); |
f0a0390e RH |
186 | |
187 | extern enum unwind_info_type default_debug_unwind_info (void); | |
ad0c4c36 | 188 | |
f236ac95 | 189 | extern void default_canonicalize_comparison (int *, rtx *, rtx *, bool); |
c354951b | 190 | |
ad0c4c36 DD |
191 | extern int default_label_align_after_barrier_max_skip (rtx); |
192 | extern int default_loop_align_max_skip (rtx); | |
193 | extern int default_label_align_max_skip (rtx); | |
194 | extern int default_jump_align_max_skip (rtx); | |
f16d3f39 JH |
195 | extern section * default_function_section(tree decl, enum node_frequency freq, |
196 | bool startup, bool exit); | |
c3284718 | 197 | extern enum machine_mode default_get_reg_raw_mode (int); |
d56a43a0 | 198 | extern bool default_keep_leaf_when_profiled (); |
ffa88471 | 199 | |
a803773f JM |
200 | extern void *default_get_pch_validity (size_t *); |
201 | extern const char *default_pch_valid_p (const void *, size_t); | |
a8781821 SB |
202 | |
203 | extern void default_asm_output_ident_directive (const char*); | |
204 | ||
42e37616 | 205 | extern enum machine_mode default_cstore_mode (enum insn_code); |
d9886a9e | 206 | extern bool default_member_type_forces_blk (const_tree, enum machine_mode); |
267bac10 | 207 | extern void default_atomic_assign_expand_fenv (tree *, tree *, tree *); |
4a7cb16f AM |
208 | extern tree build_va_arg_indirect_ref (tree); |
209 | extern tree std_gimplify_va_arg_expr (tree, tree, gimple_seq *, gimple_seq *); | |
807e902e KZ |
210 | extern bool can_use_doloop_if_innermost (const widest_int &, |
211 | const widest_int &, | |
1d0216c8 | 212 | unsigned int, bool); |