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61f71b34 | 1 | /* Default target hook functions. |
96e45421 | 2 | Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011 |
e6ff3083 | 3 | Free Software Foundation, Inc. |
61f71b34 DD |
4 | |
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it under | |
8 | the terms of the GNU General Public License as published by the Free | |
9dcd6f09 | 9 | Software Foundation; either version 3, or (at your option) any later |
61f71b34 DD |
10 | version. |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9dcd6f09 NC |
18 | along with GCC; see the file COPYING3. If not see |
19 | <http://www.gnu.org/licenses/>. */ | |
61f71b34 | 20 | |
c6c3dba9 PB |
21 | extern bool default_legitimate_address_p (enum machine_mode, rtx, bool); |
22 | ||
6773a41c | 23 | extern void default_external_libcall (rtx); |
506d7b68 | 24 | extern rtx default_legitimize_address (rtx, rtx, enum machine_mode); |
6773a41c | 25 | |
215b063c | 26 | extern int default_unspec_may_trap_p (const_rtx, unsigned); |
cde0f3fd PB |
27 | extern enum machine_mode default_promote_function_mode (const_tree, enum machine_mode, |
28 | int *, const_tree, int); | |
29 | extern enum machine_mode default_promote_function_mode_always_promote | |
30 | (const_tree, enum machine_mode, int *, const_tree, int); | |
215b063c | 31 | |
e129d93a ILT |
32 | extern enum machine_mode default_cc_modes_compatible (enum machine_mode, |
33 | enum machine_mode); | |
34 | ||
586de218 | 35 | extern bool default_return_in_memory (const_tree, const_tree); |
61f71b34 DD |
36 | |
37 | extern rtx default_expand_builtin_saveregs (void); | |
d5cc9181 | 38 | extern void default_setup_incoming_varargs (cumulative_args_t, enum machine_mode, tree, int *, int); |
d6da68b9 | 39 | extern rtx default_builtin_setjmp_frame_value (void); |
d5cc9181 | 40 | extern bool default_pretend_outgoing_varargs_named (cumulative_args_t); |
c6e8c921 | 41 | |
93f90be6 | 42 | extern enum machine_mode default_eh_return_filter_mode (void); |
c7ff6e7a AK |
43 | extern enum machine_mode default_libgcc_cmp_return_mode (void); |
44 | extern enum machine_mode default_libgcc_shift_count_mode (void); | |
7b0518e3 | 45 | extern enum machine_mode default_unwind_word_mode (void); |
273a2526 RS |
46 | extern unsigned HOST_WIDE_INT default_shift_truncation_mask |
47 | (enum machine_mode); | |
bc23502b | 48 | extern unsigned int default_min_divisions_for_recip_mul (enum machine_mode); |
b12cbf2c | 49 | extern int default_mode_rep_extended (enum machine_mode, enum machine_mode); |
93f90be6 | 50 | |
7d69de61 RH |
51 | extern tree default_stack_protect_guard (void); |
52 | extern tree default_external_stack_protect_fail (void); | |
53 | extern tree default_hidden_stack_protect_fail (void); | |
54 | ||
c77cd3d1 UB |
55 | extern enum machine_mode default_mode_for_suffix (char); |
56 | ||
4185ae53 | 57 | extern tree default_cxx_guard_type (void); |
46e995e0 | 58 | extern tree default_cxx_get_cookie_size (tree); |
8cd5a4e0 | 59 | |
8cd5a4e0 | 60 | extern bool hook_pass_by_reference_must_pass_in_stack |
d5cc9181 | 61 | (cumulative_args_t, enum machine_mode mode, const_tree, bool); |
6cdd5672 | 62 | extern bool hook_callee_copies_named |
d5cc9181 | 63 | (cumulative_args_t ca, enum machine_mode, const_tree, bool); |
951120ea | 64 | |
6e2188e0 NF |
65 | extern void default_print_operand (FILE *, rtx, int); |
66 | extern void default_print_operand_address (FILE *, rtx); | |
67 | extern bool default_print_operand_punct_valid_p (unsigned char); | |
77754180 DK |
68 | extern tree default_mangle_assembler_name (const char *); |
69 | ||
6cbd8875 | 70 | extern bool default_asm_output_addr_const_extra (FILE *, rtx); |
6dd53648 RH |
71 | |
72 | extern bool default_scalar_mode_supported_p (enum machine_mode); | |
2e681adf JR |
73 | extern bool targhook_words_big_endian (void); |
74 | extern bool targhook_float_words_big_endian (void); | |
0884546e | 75 | extern bool default_decimal_float_supported_p (void); |
ab22c1fa | 76 | extern bool default_fixed_point_supported_p (void); |
6cdd5672 | 77 | |
3101faab | 78 | extern const char * default_invalid_within_doloop (const_rtx); |
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 | |
3101faab | 88 | extern bool default_builtin_vector_alignment_reachable (const_tree, bool); |
0601d0cf RE |
89 | extern bool |
90 | default_builtin_support_vector_misalignment (enum machine_mode mode, | |
91 | const_tree, | |
b8698a0f | 92 | int, bool); |
cc4b5170 | 93 | extern enum machine_mode default_preferred_simd_mode (enum machine_mode mode); |
767f865f | 94 | extern unsigned int default_autovectorize_vector_sizes (void); |
5b900a4c | 95 | |
6cdd5672 RH |
96 | /* These are here, and not in hooks.[ch], because not all users of |
97 | hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS. */ | |
98 | ||
d5cc9181 JR |
99 | extern bool hook_bool_CUMULATIVE_ARGS_false (cumulative_args_t); |
100 | extern bool hook_bool_CUMULATIVE_ARGS_true (cumulative_args_t); | |
6cdd5672 RH |
101 | |
102 | extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false | |
d5cc9181 | 103 | (cumulative_args_t, enum machine_mode, const_tree, bool); |
6cdd5672 | 104 | extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true |
d5cc9181 | 105 | (cumulative_args_t, enum machine_mode, const_tree, bool); |
78a52f11 | 106 | extern int hook_int_CUMULATIVE_ARGS_mode_tree_bool_0 |
d5cc9181 | 107 | (cumulative_args_t, enum machine_mode, tree, bool); |
4d3e6fae | 108 | extern const char *hook_invalid_arg_for_unprototyped_fn |
3101faab | 109 | (const_tree, const_tree, const_tree); |
3c07301f | 110 | extern void default_function_arg_advance |
d5cc9181 | 111 | (cumulative_args_t, enum machine_mode, const_tree, bool); |
3c07301f | 112 | extern rtx default_function_arg |
d5cc9181 | 113 | (cumulative_args_t, enum machine_mode, const_tree, bool); |
3c07301f | 114 | extern rtx default_function_incoming_arg |
d5cc9181 | 115 | (cumulative_args_t, enum machine_mode, const_tree, bool); |
c2ed6cf8 NF |
116 | extern unsigned int default_function_arg_boundary (enum machine_mode, |
117 | const_tree); | |
3101faab | 118 | extern bool hook_bool_const_rtx_commutative_p (const_rtx, int); |
586de218 | 119 | extern rtx default_function_value (const_tree, const_tree, bool); |
7fc6a96b | 120 | extern rtx default_libcall_value (enum machine_mode, const_rtx); |
82f81f18 | 121 | extern bool default_function_value_regno_p (const unsigned int); |
150cdc9e | 122 | extern rtx default_internal_arg_pointer (void); |
531ca746 | 123 | extern rtx default_static_chain (const_tree, bool); |
531ca746 | 124 | extern void default_trampoline_init (rtx, tree, rtx); |
079e7538 | 125 | extern int default_return_pops_args (tree, tree, int); |
a87cf97e | 126 | extern reg_class_t default_branch_target_register_class (void); |
a87cf97e JR |
127 | extern reg_class_t default_secondary_reload (bool, rtx, reg_class_t, |
128 | enum machine_mode, | |
129 | secondary_reload_info *); | |
74f7912a | 130 | extern void default_target_option_override (void); |
912f2dac | 131 | extern void hook_void_bitmap (bitmap); |
9b580a0b | 132 | extern int default_reloc_rw_mask (void); |
5234b8f5 | 133 | extern tree default_mangle_decl_assembler_name (tree, tree); |
feb60f03 NS |
134 | extern tree default_emutls_var_fields (tree, tree *); |
135 | extern tree default_emutls_var_init (tree, tree, tree); | |
dbc42c44 | 136 | extern bool default_hard_regno_scratch_ok (unsigned int); |
cbda7dc6 | 137 | extern bool default_mode_dependent_address_p (const_rtx addr); |
ab442df7 | 138 | extern bool default_target_option_valid_attribute_p (tree, tree, tree, int); |
5779e713 | 139 | extern bool default_target_option_pragma_parse (tree, tree); |
5cec9f59 | 140 | extern bool default_target_can_inline_p (tree, tree); |
d4ebfa65 | 141 | extern bool default_valid_pointer_mode (enum machine_mode); |
7352c013 | 142 | extern bool default_ref_may_alias_errno (struct ao_ref_s *); |
d4ebfa65 BE |
143 | extern enum machine_mode default_addr_space_pointer_mode (addr_space_t); |
144 | extern enum machine_mode default_addr_space_address_mode (addr_space_t); | |
145 | extern bool default_addr_space_valid_pointer_mode (enum machine_mode, | |
146 | addr_space_t); | |
09e881c9 BE |
147 | extern bool default_addr_space_legitimate_address_p (enum machine_mode, rtx, |
148 | bool, addr_space_t); | |
149 | extern rtx default_addr_space_legitimize_address (rtx, rtx, enum machine_mode, | |
150 | addr_space_t); | |
151 | extern bool default_addr_space_subset_p (addr_space_t, addr_space_t); | |
152 | extern rtx default_addr_space_convert (rtx, tree, tree); | |
e6ff3083 | 153 | extern unsigned int default_case_values_threshold (void); |
2929029c | 154 | extern bool default_have_conditional_execution (void); |
a87cf97e JR |
155 | extern int default_memory_move_cost (enum machine_mode, reg_class_t, bool); |
156 | extern int default_register_move_cost (enum machine_mode, reg_class_t, | |
157 | reg_class_t); | |
de8f4b07 | 158 | |
3c5273a9 | 159 | extern bool default_profile_before_prologue (void); |
fba42e24 | 160 | extern reg_class_t default_preferred_reload_class (rtx, reg_class_t); |
abd26bfb | 161 | extern reg_class_t default_preferred_output_reload_class (rtx, reg_class_t); |
5f286f4a | 162 | extern reg_class_t default_preferred_rename_class (reg_class_t rclass); |
07b8f0a8 | 163 | extern bool default_class_likely_spilled_p (reg_class_t); |
f0a0390e RH |
164 | |
165 | extern enum unwind_info_type default_debug_unwind_info (void); | |
ad0c4c36 DD |
166 | |
167 | extern int default_label_align_after_barrier_max_skip (rtx); | |
168 | extern int default_loop_align_max_skip (rtx); | |
169 | extern int default_label_align_max_skip (rtx); | |
170 | extern int default_jump_align_max_skip (rtx); | |
f16d3f39 JH |
171 | extern section * default_function_section(tree decl, enum node_frequency freq, |
172 | bool startup, bool exit); | |
ffa88471 SE |
173 | extern enum machine_mode default_get_reg_raw_mode(int); |
174 | ||
a803773f JM |
175 | extern void *default_get_pch_validity (size_t *); |
176 | extern const char *default_pch_valid_p (const void *, size_t); |