| /* Prototypes for exported functions of Andes NDS32 cpu for GNU compiler |
| Copyright (C) 2012-2018 Free Software Foundation, Inc. |
| Contributed by Andes Technology Corporation. |
| |
| 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/>. */ |
| |
| |
| /* ------------------------------------------------------------------------ */ |
| |
| /* Defining Data Structures for Per-function Information. */ |
| |
| extern void nds32_init_expanders (void); |
| |
| |
| /* Register Usage. */ |
| |
| /* -- Order of Allocation of Registers. */ |
| extern void nds32_adjust_reg_alloc_order (void); |
| |
| /* Register Classes. */ |
| |
| extern enum reg_class nds32_regno_reg_class (int); |
| |
| |
| /* Stack Layout and Calling Conventions. */ |
| |
| /* -- Basic Stack Layout. */ |
| |
| extern rtx nds32_dynamic_chain_address (rtx); |
| extern rtx nds32_return_addr_rtx (int, rtx); |
| |
| /* -- Eliminating Frame Pointer and Arg Pointer. */ |
| |
| extern HOST_WIDE_INT nds32_initial_elimination_offset (unsigned int, |
| unsigned int); |
| |
| /* -- Passing Arguments in Registers. */ |
| |
| extern void nds32_init_cumulative_args (CUMULATIVE_ARGS *, |
| tree, rtx, tree, int); |
| |
| /* -- Function Entry and Exit. */ |
| |
| extern void nds32_expand_prologue (void); |
| extern void nds32_expand_epilogue (bool); |
| extern void nds32_expand_prologue_v3push (void); |
| extern void nds32_expand_epilogue_v3pop (bool); |
| extern void nds32_emit_push_fpr_callee_saved (int); |
| extern void nds32_emit_pop_fpr_callee_saved (int); |
| extern void nds32_emit_v3pop_fpr_callee_saved (int); |
| |
| /* Controlling Debugging Information Format. */ |
| |
| extern unsigned int nds32_dbx_register_number (unsigned int); |
| |
| /* ------------------------------------------------------------------------ */ |
| |
| /* Auxiliary functions for lwm/smw. */ |
| |
| extern bool nds32_valid_smw_lwm_base_p (rtx); |
| |
| /* Auxiliary functions for expanding rtl used in nds32-multiple.md. */ |
| |
| extern rtx nds32_expand_load_multiple (int, int, rtx, rtx, bool, rtx *); |
| extern rtx nds32_expand_store_multiple (int, int, rtx, rtx, bool, rtx *); |
| extern bool nds32_expand_movmemsi (rtx, rtx, rtx, rtx); |
| extern bool nds32_expand_setmem (rtx, rtx, rtx, rtx, rtx, rtx); |
| extern bool nds32_expand_strlen (rtx, rtx, rtx, rtx); |
| |
| /* Auxiliary functions for expand unalign load instruction. */ |
| |
| extern void nds32_expand_unaligned_load (rtx *, enum machine_mode); |
| |
| /* Auxiliary functions for expand unalign store instruction. */ |
| |
| extern void nds32_expand_unaligned_store (rtx *, enum machine_mode); |
| |
| /* Auxiliary functions for multiple load/store predicate checking. */ |
| |
| extern bool nds32_valid_multiple_load_store_p (rtx, bool, bool); |
| |
| /* Auxiliary functions for guard function checking in pipelines.md. */ |
| |
| extern bool nds32_n7_load_to_ii_p (rtx_insn *, rtx_insn *); |
| extern bool nds32_n7_last_load_to_ii_p (rtx_insn *, rtx_insn *); |
| |
| extern bool nds32_n8_load_to_ii_p (rtx_insn *, rtx_insn *); |
| extern bool nds32_n8_load_bi_to_ii_p (rtx_insn *, rtx_insn *); |
| extern bool nds32_n8_load_to_ex_p (rtx_insn *, rtx_insn *); |
| extern bool nds32_n8_ex_to_ii_p (rtx_insn *, rtx_insn *); |
| extern bool nds32_n8_last_load_to_ii_p (rtx_insn *, rtx_insn *); |
| extern bool nds32_n8_last_load_two_to_ii_p (rtx_insn *, rtx_insn *); |
| extern bool nds32_n8_last_load_to_ex_p (rtx_insn *, rtx_insn *); |
| |
| extern bool nds32_e8_load_to_ii_p (rtx_insn *, rtx_insn *); |
| extern bool nds32_e8_load_to_ex_p (rtx_insn *, rtx_insn *); |
| extern bool nds32_e8_ex_to_ii_p (rtx_insn *, rtx_insn *); |
| extern bool nds32_e8_last_load_to_ii_p (rtx_insn *, rtx_insn *); |
| extern bool nds32_e8_last_load_to_ex_p (rtx_insn *, rtx_insn *); |
| |
| extern bool nds32_n9_2r1w_mm_to_ex_p (rtx_insn *, rtx_insn *); |
| extern bool nds32_n9_3r2w_mm_to_ex_p (rtx_insn *, rtx_insn *); |
| extern bool nds32_n9_last_load_to_ex_p (rtx_insn *, rtx_insn *); |
| |
| |
| /* Auxiliary functions for stack operation predicate checking. */ |
| |
| extern bool nds32_valid_stack_push_pop_p (rtx, bool); |
| |
| /* Auxiliary functions for bit operation detection. */ |
| |
| extern int nds32_can_use_bclr_p (int); |
| extern int nds32_can_use_bset_p (int); |
| extern int nds32_can_use_btgl_p (int); |
| |
| extern int nds32_can_use_bitci_p (int); |
| |
| extern bool nds32_const_double_range_ok_p (rtx, machine_mode, |
| HOST_WIDE_INT, HOST_WIDE_INT); |
| |
| /* Auxiliary function for 'Computing the Length of an Insn'. */ |
| |
| extern int nds32_adjust_insn_length (rtx_insn *, int); |
| |
| /* Auxiliary functions for FP_AS_GP detection. */ |
| |
| extern int nds32_fp_as_gp_check_available (void); |
| |
| extern bool nds32_symbol_load_store_p (rtx_insn *); |
| |
| /* Auxiliary functions for jump table generation. */ |
| |
| extern const char *nds32_output_casesi_pc_relative (rtx *); |
| extern const char *nds32_output_casesi (rtx *); |
| |
| /* Auxiliary functions for conditional branch generation. */ |
| |
| extern enum nds32_expand_result_type nds32_expand_cbranch (rtx *); |
| extern enum nds32_expand_result_type nds32_expand_cstore (rtx *); |
| extern void nds32_expand_float_cbranch (rtx *); |
| extern void nds32_expand_float_cstore (rtx *); |
| |
| /* Auxiliary functions for conditional move generation. */ |
| |
| extern enum nds32_expand_result_type nds32_expand_movcc (rtx *); |
| extern void nds32_expand_float_movcc (rtx *); |
| |
| |
| /* Auxiliary functions to identify long-call symbol. */ |
| extern bool nds32_long_call_p (rtx); |
| |
| /* Auxiliary functions to identify conditional move comparison operand. */ |
| |
| extern int nds32_cond_move_p (rtx); |
| |
| /* Auxiliary functions to identify 16 bit addresing mode. */ |
| |
| extern enum nds32_16bit_address_type nds32_mem_format (rtx); |
| |
| /* Auxiliary functions to identify floating-point addresing mode. */ |
| |
| extern bool nds32_float_mem_operand_p (rtx); |
| |
| /* Auxiliary functions to output assembly code. */ |
| |
| extern const char *nds32_output_16bit_store (rtx *, int); |
| extern const char *nds32_output_16bit_load (rtx *, int); |
| extern const char *nds32_output_32bit_store (rtx *, int); |
| extern const char *nds32_output_32bit_load (rtx *, int); |
| extern const char *nds32_output_32bit_load_s (rtx *, int); |
| extern const char *nds32_output_float_load(rtx *); |
| extern const char *nds32_output_float_store(rtx *); |
| extern const char *nds32_output_smw_single_word (rtx *); |
| extern const char *nds32_output_lmw_single_word (rtx *); |
| extern const char *nds32_output_double (rtx *, bool); |
| extern const char *nds32_output_cbranchsi4_equality_zero (rtx_insn *, rtx *); |
| extern const char *nds32_output_cbranchsi4_equality_reg (rtx_insn *, rtx *); |
| extern const char *nds32_output_cbranchsi4_equality_reg_or_const_int (rtx_insn *, |
| rtx *); |
| extern const char *nds32_output_cbranchsi4_greater_less_zero (rtx_insn *, rtx *); |
| |
| extern const char *nds32_output_call (rtx, rtx *, rtx, |
| const char *, const char *, bool); |
| |
| |
| /* Auxiliary functions to output stack push/pop instruction. */ |
| |
| extern const char *nds32_output_stack_push (rtx); |
| extern const char *nds32_output_stack_pop (rtx); |
| extern const char *nds32_output_return (void); |
| |
| /* Auxiliary functions to split double word RTX pattern. */ |
| |
| extern void nds32_spilt_doubleword (rtx *, bool); |
| |
| /* Auxiliary functions to split large constant RTX pattern. */ |
| |
| extern void nds32_expand_constant (machine_mode, |
| HOST_WIDE_INT, rtx, rtx); |
| |
| /* Auxiliary functions to check using return with null epilogue. */ |
| |
| extern int nds32_can_use_return_insn (void); |
| extern scalar_int_mode nds32_case_vector_shorten_mode (int, int, rtx); |
| |
| /* Auxiliary functions to decide output alignment or not. */ |
| |
| extern int nds32_target_alignment (rtx_insn *); |
| extern unsigned int nds32_data_alignment (tree, unsigned int); |
| extern unsigned int nds32_local_alignment (tree, unsigned int); |
| |
| /* Auxiliary functions to expand builtin functions. */ |
| |
| extern void nds32_init_builtins_impl (void); |
| extern rtx nds32_expand_builtin_impl (tree, rtx, rtx, |
| machine_mode, int); |
| extern tree nds32_builtin_decl_impl (unsigned, bool); |
| |
| /* Auxiliary functions for ISR implementation. */ |
| |
| extern void nds32_check_isr_attrs_conflict (tree, tree); |
| extern void nds32_construct_isr_vectors_information (tree, const char *); |
| extern void nds32_asm_file_start_for_isr (void); |
| extern void nds32_asm_file_end_for_isr (void); |
| extern bool nds32_isr_function_p (tree); |
| |
| /* Auxiliary functions for cost calculation. */ |
| |
| extern bool nds32_rtx_costs_impl (rtx, machine_mode, int, int, int *, bool); |
| extern int nds32_address_cost_impl (rtx, machine_mode, addr_space_t, bool); |
| |
| /* Auxiliary functions for pre-define marco. */ |
| extern void nds32_cpu_cpp_builtins(struct cpp_reader *); |
| |
| extern bool nds32_split_double_word_load_store_p (rtx *,bool); |
| |
| namespace nds32 { |
| |
| extern rtx extract_pattern_from_insn (rtx); |
| |
| size_t parallel_elements (rtx); |
| rtx parallel_element (rtx, int); |
| bool load_single_p (rtx_insn *); |
| bool store_single_p (rtx_insn *); |
| bool load_double_p (rtx_insn *); |
| bool store_double_p (rtx_insn *); |
| bool post_update_insn_p (rtx_insn *); |
| bool immed_offset_p (rtx); |
| int find_post_update_rtx (rtx_insn *); |
| rtx extract_mem_rtx (rtx_insn *); |
| rtx extract_base_reg (rtx_insn *); |
| |
| rtx extract_shift_reg (rtx); |
| |
| bool movd44_insn_p (rtx_insn *); |
| rtx extract_movd44_odd_reg (rtx_insn *); |
| |
| rtx extract_mac_non_acc_rtx (rtx_insn *); |
| |
| rtx extract_branch_target_rtx (rtx_insn *); |
| rtx extract_branch_condition_rtx (rtx_insn *); |
| } // namespace nds32 |
| |
| extern bool nds32_use_load_post_increment(machine_mode); |
| |
| /* Functions for create nds32 specific optimization pass. */ |
| extern rtl_opt_pass *make_pass_nds32_relax_opt (gcc::context *); |
| |
| /* ------------------------------------------------------------------------ */ |
