| /* Prototypes of target machine for GNU compiler. LoongArch version. |
| Copyright (C) 2021-2022 Free Software Foundation, Inc. |
| Contributed by Loongson Ltd. |
| Based on MIPS target for GNU compiler. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| GCC is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef GCC_LOONGARCH_PROTOS_H |
| #define GCC_LOONGARCH_PROTOS_H |
| |
| /* Classifies a SYMBOL_REF, LABEL_REF or UNSPEC address. |
| |
| SYMBOL_GOT_DISP |
| The symbol's value will be loaded directly from the GOT. |
| |
| SYMBOL_TLS |
| A thread-local symbol. |
| |
| SYMBOL_TLSGD |
| SYMBOL_TLSLDM |
| UNSPEC wrappers around SYMBOL_TLS, corresponding to the |
| thread-local storage relocation operators. |
| */ |
| enum loongarch_symbol_type { |
| SYMBOL_GOT_DISP, |
| SYMBOL_TLS, |
| SYMBOL_TLSGD, |
| SYMBOL_TLSLDM, |
| }; |
| #define NUM_SYMBOL_TYPES (SYMBOL_TLSLDM + 1) |
| |
| /* Routines implemented in loongarch.c. */ |
| extern rtx loongarch_emit_move (rtx, rtx); |
| extern HOST_WIDE_INT loongarch_initial_elimination_offset (int, int); |
| extern void loongarch_expand_prologue (void); |
| extern void loongarch_expand_epilogue (bool); |
| extern bool loongarch_can_use_return_insn (void); |
| |
| extern bool loongarch_symbolic_constant_p (rtx, enum loongarch_symbol_type *); |
| extern int loongarch_regno_mode_ok_for_base_p (int, machine_mode, bool); |
| extern int loongarch_address_insns (rtx, machine_mode, bool); |
| extern int loongarch_const_insns (rtx); |
| extern int loongarch_split_const_insns (rtx); |
| extern int loongarch_split_128bit_const_insns (rtx); |
| extern int loongarch_load_store_insns (rtx, rtx_insn *); |
| extern int loongarch_idiv_insns (machine_mode); |
| #ifdef RTX_CODE |
| extern void loongarch_emit_binary (enum rtx_code, rtx, rtx, rtx); |
| #endif |
| extern bool loongarch_split_symbol (rtx, rtx, machine_mode, rtx *); |
| extern rtx loongarch_unspec_address (rtx, enum loongarch_symbol_type); |
| extern rtx loongarch_strip_unspec_address (rtx); |
| extern void loongarch_move_integer (rtx, rtx, unsigned HOST_WIDE_INT); |
| extern bool loongarch_legitimize_move (machine_mode, rtx, rtx); |
| extern rtx loongarch_legitimize_call_address (rtx); |
| |
| extern rtx loongarch_subword (rtx, bool); |
| extern bool loongarch_split_move_p (rtx, rtx); |
| extern void loongarch_split_move (rtx, rtx, rtx); |
| extern bool loongarch_split_move_insn_p (rtx, rtx); |
| extern void loongarch_split_move_insn (rtx, rtx, rtx); |
| extern const char *loongarch_output_move (rtx, rtx); |
| extern bool loongarch_cfun_has_cprestore_slot_p (void); |
| #ifdef RTX_CODE |
| extern void loongarch_expand_scc (rtx *); |
| extern void loongarch_expand_conditional_branch (rtx *); |
| extern void loongarch_expand_conditional_move (rtx *); |
| extern void loongarch_expand_conditional_trap (rtx); |
| #endif |
| extern void loongarch_set_return_address (rtx, rtx); |
| extern bool loongarch_move_by_pieces_p (unsigned HOST_WIDE_INT, unsigned int); |
| extern bool loongarch_expand_block_move (rtx, rtx, rtx); |
| extern bool loongarch_do_optimize_block_move_p (void); |
| |
| extern bool loongarch_expand_ext_as_unaligned_load (rtx, rtx, HOST_WIDE_INT, |
| HOST_WIDE_INT, bool); |
| extern bool loongarch_expand_ins_as_unaligned_store (rtx, rtx, HOST_WIDE_INT, |
| HOST_WIDE_INT); |
| extern HOST_WIDE_INT loongarch_debugger_offset (rtx, HOST_WIDE_INT); |
| |
| extern void loongarch_output_external (FILE *, tree, const char *); |
| extern void loongarch_output_ascii (FILE *, const char *, size_t); |
| extern bool loongarch_small_data_pattern_p (rtx); |
| extern rtx loongarch_rewrite_small_data (rtx); |
| extern rtx loongarch_return_addr (int, rtx); |
| |
| extern enum reg_class loongarch_secondary_reload_class (enum reg_class, |
| machine_mode, |
| rtx, bool); |
| extern int loongarch_class_max_nregs (enum reg_class, machine_mode); |
| |
| extern machine_mode loongarch_hard_regno_caller_save_mode (unsigned int, |
| unsigned int, |
| machine_mode); |
| extern int loongarch_adjust_insn_length (rtx_insn *, int); |
| extern const char *loongarch_output_conditional_branch (rtx_insn *, rtx *, |
| const char *, |
| const char *); |
| extern const char *loongarch_output_order_conditional_branch (rtx_insn *, |
| rtx *, |
| bool); |
| extern const char *loongarch_output_equal_conditional_branch (rtx_insn *, |
| rtx *, |
| bool); |
| extern const char *loongarch_output_division (const char *, rtx *); |
| extern const char *loongarch_output_probe_stack_range (rtx, rtx, rtx); |
| extern bool loongarch_hard_regno_rename_ok (unsigned int, unsigned int); |
| extern int loongarch_dspalu_bypass_p (rtx, rtx); |
| extern rtx loongarch_prefetch_cookie (rtx, rtx); |
| |
| extern bool loongarch_global_symbol_p (const_rtx); |
| extern bool loongarch_global_symbol_noweak_p (const_rtx); |
| extern bool loongarch_weak_symbol_p (const_rtx); |
| extern bool loongarch_symbol_binds_local_p (const_rtx); |
| |
| extern const char *current_section_name (void); |
| extern unsigned int current_section_flags (void); |
| extern bool loongarch_use_ins_ext_p (rtx, HOST_WIDE_INT, HOST_WIDE_INT); |
| |
| union loongarch_gen_fn_ptrs |
| { |
| rtx (*fn_8) (rtx, rtx, rtx, rtx, rtx, rtx, rtx, rtx); |
| rtx (*fn_7) (rtx, rtx, rtx, rtx, rtx, rtx, rtx); |
| rtx (*fn_6) (rtx, rtx, rtx, rtx, rtx, rtx); |
| rtx (*fn_5) (rtx, rtx, rtx, rtx, rtx); |
| rtx (*fn_4) (rtx, rtx, rtx, rtx); |
| }; |
| |
| extern void loongarch_expand_atomic_qihi (union loongarch_gen_fn_ptrs, |
| rtx, rtx, rtx, rtx, rtx); |
| |
| extern bool loongarch_signed_immediate_p (unsigned HOST_WIDE_INT, int, int); |
| extern bool loongarch_unsigned_immediate_p (unsigned HOST_WIDE_INT, int, int); |
| extern bool loongarch_12bit_offset_address_p (rtx, machine_mode); |
| extern bool loongarch_14bit_shifted_offset_address_p (rtx, machine_mode); |
| extern bool loongarch_base_index_address_p (rtx, machine_mode); |
| extern rtx loongarch_expand_thread_pointer (rtx); |
| |
| extern bool loongarch_eh_uses (unsigned int); |
| extern bool loongarch_epilogue_uses (unsigned int); |
| extern bool loongarch_load_store_bonding_p (rtx *, machine_mode, bool); |
| extern bool loongarch_split_symbol_type (enum loongarch_symbol_type); |
| |
| typedef rtx (*mulsidi3_gen_fn) (rtx, rtx, rtx); |
| |
| extern void loongarch_register_frame_header_opt (void); |
| |
| /* Routines implemented in loongarch-c.c. */ |
| void loongarch_cpu_cpp_builtins (cpp_reader *); |
| |
| extern void loongarch_init_builtins (void); |
| extern void loongarch_atomic_assign_expand_fenv (tree *, tree *, tree *); |
| extern tree loongarch_builtin_decl (unsigned int, bool); |
| extern rtx loongarch_expand_builtin (tree, rtx, rtx subtarget ATTRIBUTE_UNUSED, |
| machine_mode, int); |
| extern tree loongarch_build_builtin_va_list (void); |
| |
| #endif /* ! GCC_LOONGARCH_PROTOS_H */ |