1*38fd1498Szrj /* Expand builtin functions. 2*38fd1498Szrj Copyright (C) 1988-2018 Free Software Foundation, Inc. 3*38fd1498Szrj 4*38fd1498Szrj This file is part of GCC. 5*38fd1498Szrj 6*38fd1498Szrj GCC is free software; you can redistribute it and/or modify it under 7*38fd1498Szrj the terms of the GNU General Public License as published by the Free 8*38fd1498Szrj Software Foundation; either version 3, or (at your option) any later 9*38fd1498Szrj version. 10*38fd1498Szrj 11*38fd1498Szrj GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12*38fd1498Szrj WARRANTY; without even the implied warranty of MERCHANTABILITY or 13*38fd1498Szrj FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14*38fd1498Szrj for more details. 15*38fd1498Szrj 16*38fd1498Szrj You should have received a copy of the GNU General Public License 17*38fd1498Szrj along with GCC; see the file COPYING3. If not see 18*38fd1498Szrj <http://www.gnu.org/licenses/>. */ 19*38fd1498Szrj 20*38fd1498Szrj #ifndef GCC_BUILTINS_H 21*38fd1498Szrj #define GCC_BUILTINS_H 22*38fd1498Szrj 23*38fd1498Szrj #include <mpc.h> 24*38fd1498Szrj 25*38fd1498Szrj /* Target-dependent globals. */ 26*38fd1498Szrj struct target_builtins { 27*38fd1498Szrj /* For each register that may be used for calling a function, this 28*38fd1498Szrj gives a mode used to copy the register's value. VOIDmode indicates 29*38fd1498Szrj the register is not used for calling a function. If the machine 30*38fd1498Szrj has register windows, this gives only the outbound registers. 31*38fd1498Szrj INCOMING_REGNO gives the corresponding inbound register. */ 32*38fd1498Szrj fixed_size_mode_pod x_apply_args_mode[FIRST_PSEUDO_REGISTER]; 33*38fd1498Szrj 34*38fd1498Szrj /* For each register that may be used for returning values, this gives 35*38fd1498Szrj a mode used to copy the register's value. VOIDmode indicates the 36*38fd1498Szrj register is not used for returning values. If the machine has 37*38fd1498Szrj register windows, this gives only the outbound registers. 38*38fd1498Szrj INCOMING_REGNO gives the corresponding inbound register. */ 39*38fd1498Szrj fixed_size_mode_pod x_apply_result_mode[FIRST_PSEUDO_REGISTER]; 40*38fd1498Szrj }; 41*38fd1498Szrj 42*38fd1498Szrj extern struct target_builtins default_target_builtins; 43*38fd1498Szrj #if SWITCHABLE_TARGET 44*38fd1498Szrj extern struct target_builtins *this_target_builtins; 45*38fd1498Szrj #else 46*38fd1498Szrj #define this_target_builtins (&default_target_builtins) 47*38fd1498Szrj #endif 48*38fd1498Szrj 49*38fd1498Szrj /* Non-zero if __builtin_constant_p should be folded right away. */ 50*38fd1498Szrj extern bool force_folding_builtin_constant_p; 51*38fd1498Szrj 52*38fd1498Szrj extern bool is_builtin_fn (tree); 53*38fd1498Szrj extern bool called_as_built_in (tree); 54*38fd1498Szrj extern bool get_object_alignment_1 (tree, unsigned int *, 55*38fd1498Szrj unsigned HOST_WIDE_INT *); 56*38fd1498Szrj extern unsigned int get_object_alignment (tree); 57*38fd1498Szrj extern bool get_pointer_alignment_1 (tree, unsigned int *, 58*38fd1498Szrj unsigned HOST_WIDE_INT *); 59*38fd1498Szrj extern unsigned int get_pointer_alignment (tree); 60*38fd1498Szrj extern tree c_strlen (tree, int); 61*38fd1498Szrj extern void expand_builtin_setjmp_setup (rtx, rtx); 62*38fd1498Szrj extern void expand_builtin_setjmp_receiver (rtx); 63*38fd1498Szrj extern void expand_builtin_update_setjmp_buf (rtx); 64*38fd1498Szrj extern tree mathfn_built_in (tree, enum built_in_function fn); 65*38fd1498Szrj extern tree mathfn_built_in (tree, combined_fn); 66*38fd1498Szrj extern rtx builtin_strncpy_read_str (void *, HOST_WIDE_INT, scalar_int_mode); 67*38fd1498Szrj extern rtx builtin_memset_read_str (void *, HOST_WIDE_INT, scalar_int_mode); 68*38fd1498Szrj extern rtx expand_builtin_saveregs (void); 69*38fd1498Szrj extern tree std_build_builtin_va_list (void); 70*38fd1498Szrj extern tree std_fn_abi_va_list (tree); 71*38fd1498Szrj extern tree std_canonical_va_list_type (tree); 72*38fd1498Szrj extern void std_expand_builtin_va_start (tree, rtx); 73*38fd1498Szrj extern void expand_builtin_trap (void); 74*38fd1498Szrj extern void expand_ifn_atomic_bit_test_and (gcall *); 75*38fd1498Szrj extern void expand_ifn_atomic_compare_exchange (gcall *); 76*38fd1498Szrj extern rtx expand_builtin (tree, rtx, rtx, machine_mode, int); 77*38fd1498Szrj extern rtx expand_builtin_with_bounds (tree, rtx, rtx, machine_mode, int); 78*38fd1498Szrj extern enum built_in_function builtin_mathfn_code (const_tree); 79*38fd1498Szrj extern tree fold_builtin_expect (location_t, tree, tree, tree); 80*38fd1498Szrj extern bool avoid_folding_inline_builtin (tree); 81*38fd1498Szrj extern tree fold_call_expr (location_t, tree, bool); 82*38fd1498Szrj extern tree fold_builtin_call_array (location_t, tree, tree, int, tree *); 83*38fd1498Szrj extern tree fold_builtin_n (location_t, tree, tree *, int, bool); 84*38fd1498Szrj extern bool validate_gimple_arglist (const gcall *, ...); 85*38fd1498Szrj extern rtx default_expand_builtin (tree, rtx, rtx, machine_mode, int); 86*38fd1498Szrj extern bool fold_builtin_next_arg (tree, bool); 87*38fd1498Szrj extern tree do_mpc_arg2 (tree, tree, tree, int, int (*)(mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t)); 88*38fd1498Szrj extern tree fold_call_stmt (gcall *, bool); 89*38fd1498Szrj extern void set_builtin_user_assembler_name (tree decl, const char *asmspec); 90*38fd1498Szrj extern bool is_simple_builtin (tree); 91*38fd1498Szrj extern bool is_inexpensive_builtin (tree); 92*38fd1498Szrj extern tree compute_objsize (tree, int); 93*38fd1498Szrj 94*38fd1498Szrj extern bool readonly_data_expr (tree exp); 95*38fd1498Szrj extern bool init_target_chars (void); 96*38fd1498Szrj extern unsigned HOST_WIDE_INT target_newline; 97*38fd1498Szrj extern unsigned HOST_WIDE_INT target_percent; 98*38fd1498Szrj extern char target_percent_s[3]; 99*38fd1498Szrj extern char target_percent_c[3]; 100*38fd1498Szrj extern char target_percent_s_newline[4]; 101*38fd1498Szrj extern bool target_char_cst_p (tree t, char *p); 102*38fd1498Szrj 103*38fd1498Szrj extern internal_fn associated_internal_fn (tree); 104*38fd1498Szrj extern internal_fn replacement_internal_fn (gcall *); 105*38fd1498Szrj 106*38fd1498Szrj extern tree max_object_size (); 107*38fd1498Szrj 108*38fd1498Szrj #endif /* GCC_BUILTINS_H */ 109