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annotate gcc/builtins.h @ 138:fc828634a951

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merge
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Thu, 08 Nov 2018 14:17:14 +0900
parents 84e7813d76e9
children 1830386684a0
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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1 /* Expand builtin functions.
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2 Copyright (C) 1988-2018 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify it under
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7 the terms of the GNU General Public License as published by the Free
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8 Software Foundation; either version 3, or (at your option) any later
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9 version.
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10
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11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 #ifndef GCC_BUILTINS_H
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21 #define GCC_BUILTINS_H
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22
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23 #include <mpc.h>
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24
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25 /* Target-dependent globals. */
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26 struct target_builtins {
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27 /* For each register that may be used for calling a function, this
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28 gives a mode used to copy the register's value. VOIDmode indicates
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29 the register is not used for calling a function. If the machine
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30 has register windows, this gives only the outbound registers.
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31 INCOMING_REGNO gives the corresponding inbound register. */
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32 fixed_size_mode_pod x_apply_args_mode[FIRST_PSEUDO_REGISTER];
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33
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34 /* For each register that may be used for returning values, this gives
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35 a mode used to copy the register's value. VOIDmode indicates the
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36 register is not used for returning values. If the machine has
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37 register windows, this gives only the outbound registers.
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38 INCOMING_REGNO gives the corresponding inbound register. */
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39 fixed_size_mode_pod x_apply_result_mode[FIRST_PSEUDO_REGISTER];
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40 };
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41
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42 extern struct target_builtins default_target_builtins;
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43 #if SWITCHABLE_TARGET
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44 extern struct target_builtins *this_target_builtins;
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45 #else
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46 #define this_target_builtins (&default_target_builtins)
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47 #endif
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48
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49 /* Non-zero if __builtin_constant_p should be folded right away. */
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50 extern bool force_folding_builtin_constant_p;
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51
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52 extern bool called_as_built_in (tree);
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53 extern bool get_object_alignment_1 (tree, unsigned int *,
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54 unsigned HOST_WIDE_INT *);
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55 extern unsigned int get_object_alignment (tree);
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56 extern bool get_pointer_alignment_1 (tree, unsigned int *,
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57 unsigned HOST_WIDE_INT *);
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58 extern unsigned int get_pointer_alignment (tree);
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59 extern unsigned string_length (const void*, unsigned, unsigned);
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60 struct c_strlen_data
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61 {
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62 tree decl;
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63 tree len;
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64 tree off;
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65 };
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66
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67 extern tree c_strlen (tree, int, c_strlen_data * = NULL, unsigned = 1);
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68 extern void expand_builtin_setjmp_setup (rtx, rtx);
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69 extern void expand_builtin_setjmp_receiver (rtx);
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70 extern void expand_builtin_update_setjmp_buf (rtx);
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71 extern tree mathfn_built_in (tree, enum built_in_function fn);
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72 extern tree mathfn_built_in (tree, combined_fn);
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73 extern rtx builtin_strncpy_read_str (void *, HOST_WIDE_INT, scalar_int_mode);
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74 extern rtx builtin_memset_read_str (void *, HOST_WIDE_INT, scalar_int_mode);
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75 extern rtx expand_builtin_saveregs (void);
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76 extern tree std_build_builtin_va_list (void);
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77 extern tree std_fn_abi_va_list (tree);
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78 extern tree std_canonical_va_list_type (tree);
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79 extern void std_expand_builtin_va_start (tree, rtx);
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80 extern void expand_builtin_trap (void);
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81 extern void expand_ifn_atomic_bit_test_and (gcall *);
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82 extern void expand_ifn_atomic_compare_exchange (gcall *);
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83 extern rtx expand_builtin (tree, rtx, rtx, machine_mode, int);
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84 extern rtx expand_builtin_with_bounds (tree, rtx, rtx, machine_mode, int);
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85 extern enum built_in_function builtin_mathfn_code (const_tree);
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86 extern tree fold_builtin_expect (location_t, tree, tree, tree, tree);
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87 extern bool avoid_folding_inline_builtin (tree);
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88 extern tree fold_call_expr (location_t, tree, bool);
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89 extern tree fold_builtin_call_array (location_t, tree, tree, int, tree *);
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90 extern tree fold_builtin_n (location_t, tree, tree *, int, bool);
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91 extern bool validate_gimple_arglist (const gcall *, ...);
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92 extern rtx default_expand_builtin (tree, rtx, rtx, machine_mode, int);
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93 extern bool fold_builtin_next_arg (tree, bool);
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94 extern tree do_mpc_arg2 (tree, tree, tree, int, int (*)(mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t));
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95 extern tree fold_call_stmt (gcall *, bool);
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96 extern void set_builtin_user_assembler_name (tree decl, const char *asmspec);
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97 extern bool is_simple_builtin (tree);
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98 extern bool is_inexpensive_builtin (tree);
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99 extern tree compute_objsize (tree, int);
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100
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101 extern bool readonly_data_expr (tree exp);
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102 extern bool init_target_chars (void);
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103 extern unsigned HOST_WIDE_INT target_newline;
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104 extern unsigned HOST_WIDE_INT target_percent;
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105 extern char target_percent_s[3];
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106 extern char target_percent_c[3];
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107 extern char target_percent_s_newline[4];
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108 extern bool target_char_cst_p (tree t, char *p);
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109
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110 extern internal_fn associated_internal_fn (tree);
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111 extern internal_fn replacement_internal_fn (gcall *);
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112
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113 extern void warn_string_no_nul (location_t, const char *, tree, tree);
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114 extern tree unterminated_array (tree, tree * = NULL, bool * = NULL);
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115 extern tree max_object_size ();
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116
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117 #endif /* GCC_BUILTINS_H */