1 | /* Expand builtin functions. |
2 | Copyright (C) 1988-2017 Free Software Foundation, Inc. |
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 |
8 | Software Foundation; either version 3, or (at your option) any later |
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 |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ |
19 | |
20 | #ifndef GCC_BUILTINS_H |
21 | #define GCC_BUILTINS_H |
22 | |
23 | #include <mpc.h> |
24 | |
25 | /* Target-dependent globals. */ |
26 | struct target_builtins { |
27 | /* For each register that may be used for calling a function, this |
28 | gives a mode used to copy the register's value. VOIDmode indicates |
29 | the register is not used for calling a function. If the machine |
30 | has register windows, this gives only the outbound registers. |
31 | INCOMING_REGNO gives the corresponding inbound register. */ |
32 | machine_mode x_apply_args_mode[FIRST_PSEUDO_REGISTER]; |
33 | |
34 | /* For each register that may be used for returning values, this gives |
35 | a mode used to copy the register's value. VOIDmode indicates the |
36 | register is not used for returning values. If the machine has |
37 | register windows, this gives only the outbound registers. |
38 | INCOMING_REGNO gives the corresponding inbound register. */ |
39 | machine_mode x_apply_result_mode[FIRST_PSEUDO_REGISTER]; |
40 | }; |
41 | |
42 | extern struct target_builtins default_target_builtins; |
43 | #if SWITCHABLE_TARGET |
44 | extern struct target_builtins *this_target_builtins; |
45 | #else |
46 | #define this_target_builtins (&default_target_builtins) |
47 | #endif |
48 | |
49 | /* Non-zero if __builtin_constant_p should be folded right away. */ |
50 | extern bool force_folding_builtin_constant_p; |
51 | |
52 | extern bool is_builtin_fn (tree); |
53 | extern bool called_as_built_in (tree); |
54 | extern bool get_object_alignment_1 (tree, unsigned int *, |
55 | unsigned HOST_WIDE_INT *); |
56 | extern unsigned int get_object_alignment (tree); |
57 | extern bool get_pointer_alignment_1 (tree, unsigned int *, |
58 | unsigned HOST_WIDE_INT *); |
59 | extern unsigned int get_pointer_alignment (tree); |
60 | extern tree c_strlen (tree, int); |
61 | extern void expand_builtin_setjmp_setup (rtx, rtx); |
62 | extern void expand_builtin_setjmp_receiver (rtx); |
63 | extern void expand_builtin_update_setjmp_buf (rtx); |
64 | extern tree mathfn_built_in (tree, enum built_in_function fn); |
65 | extern tree mathfn_built_in (tree, combined_fn); |
66 | extern rtx builtin_strncpy_read_str (void *, HOST_WIDE_INT, scalar_int_mode); |
67 | extern rtx builtin_memset_read_str (void *, HOST_WIDE_INT, scalar_int_mode); |
68 | extern rtx expand_builtin_saveregs (void); |
69 | extern tree std_build_builtin_va_list (void); |
70 | extern tree std_fn_abi_va_list (tree); |
71 | extern tree std_canonical_va_list_type (tree); |
72 | extern void std_expand_builtin_va_start (tree, rtx); |
73 | extern void expand_builtin_trap (void); |
74 | extern void expand_ifn_atomic_bit_test_and (gcall *); |
75 | extern void expand_ifn_atomic_compare_exchange (gcall *); |
76 | extern rtx expand_builtin (tree, rtx, rtx, machine_mode, int); |
77 | extern rtx expand_builtin_with_bounds (tree, rtx, rtx, machine_mode, int); |
78 | extern enum built_in_function builtin_mathfn_code (const_tree); |
79 | extern tree fold_builtin_expect (location_t, tree, tree, tree); |
80 | extern bool avoid_folding_inline_builtin (tree); |
81 | extern tree fold_call_expr (location_t, tree, bool); |
82 | extern tree fold_builtin_call_array (location_t, tree, tree, int, tree *); |
83 | extern tree fold_builtin_n (location_t, tree, tree *, int, bool); |
84 | extern bool validate_gimple_arglist (const gcall *, ...); |
85 | extern rtx default_expand_builtin (tree, rtx, rtx, machine_mode, int); |
86 | extern bool fold_builtin_next_arg (tree, bool); |
87 | extern tree do_mpc_arg2 (tree, tree, tree, int, int (*)(mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t)); |
88 | extern tree fold_call_stmt (gcall *, bool); |
89 | extern void set_builtin_user_assembler_name (tree decl, const char *asmspec); |
90 | extern bool is_simple_builtin (tree); |
91 | extern bool is_inexpensive_builtin (tree); |
92 | extern tree compute_objsize (tree, int); |
93 | |
94 | extern bool readonly_data_expr (tree exp); |
95 | extern bool init_target_chars (void); |
96 | extern unsigned HOST_WIDE_INT target_newline; |
97 | extern unsigned HOST_WIDE_INT target_percent; |
98 | extern char target_percent_s[3]; |
99 | extern char target_percent_c[3]; |
100 | extern char target_percent_s_newline[4]; |
101 | extern bool target_char_cst_p (tree t, char *p); |
102 | |
103 | extern internal_fn associated_internal_fn (tree); |
104 | extern internal_fn replacement_internal_fn (gcall *); |
105 | |
106 | #endif |
107 | |