1 /* Definitions of target machine for GNU compiler, Synopsys DesignWare ARC cpu. 2 Copyright (C) 2000-2018 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 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 GCC is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License 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 #ifdef RTX_CODE 21 22 extern machine_mode arc_select_cc_mode (enum rtx_code, rtx, rtx); 23 24 /* Define the function that build the compare insn for scc, bcc and mov*cc. */ 25 extern struct rtx_def *gen_compare_reg (rtx, machine_mode); 26 27 /* Declarations for various fns used in the .md file. */ 28 extern void arc_output_function_epilogue (FILE *, HOST_WIDE_INT, int); 29 extern const char *output_shift (rtx *); 30 extern bool compact_sda_memory_operand (rtx, machine_mode, bool); 31 extern bool arc_double_limm_p (rtx); 32 extern void arc_print_operand (FILE *, rtx, int); 33 extern void arc_print_operand_address (FILE *, rtx); 34 extern void arc_final_prescan_insn (rtx_insn *, rtx *, int); 35 extern const char *arc_output_libcall (const char *); 36 extern bool prepare_extend_operands (rtx *operands, enum rtx_code code, 37 machine_mode omode); 38 extern int arc_output_addsi (rtx *operands, bool, bool); 39 extern int arc_output_commutative_cond_exec (rtx *operands, bool); 40 extern bool arc_expand_movmem (rtx *operands); 41 extern bool prepare_move_operands (rtx *operands, machine_mode mode); 42 extern void emit_shift (enum rtx_code, rtx, rtx, rtx); 43 extern void arc_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx); 44 extern void arc_split_compare_and_swap (rtx *); 45 extern void arc_expand_compare_and_swap (rtx *); 46 extern bool compact_memory_operand_p (rtx, machine_mode, bool, bool); 47 extern int arc_return_address_register (unsigned int); 48 extern unsigned int arc_compute_function_type (struct function *); 49 extern bool arc_is_uncached_mem_p (rtx); 50 #endif /* RTX_CODE */ 51 52 extern unsigned int arc_compute_frame_size (int); 53 extern bool arc_ccfsm_branch_deleted_p (void); 54 extern void arc_ccfsm_record_branch_deleted (void); 55 56 void arc_asm_output_aligned_decl_local (FILE *, tree, const char *, 57 unsigned HOST_WIDE_INT, 58 unsigned HOST_WIDE_INT, 59 unsigned HOST_WIDE_INT); 60 extern rtx arc_return_addr_rtx (int , rtx); 61 extern bool check_if_valid_regno_const (rtx *, int); 62 extern bool arc_legitimate_constant_p (machine_mode, rtx); 63 extern bool arc_legitimate_pic_addr_p (rtx); 64 extern bool arc_raw_symbolic_reference_mentioned_p (rtx, bool); 65 extern bool arc_is_longcall_p (rtx); 66 extern bool arc_is_shortcall_p (rtx); 67 extern bool valid_brcc_with_delay_p (rtx *); 68 extern bool small_data_pattern (rtx , machine_mode); 69 extern rtx arc_rewrite_small_data (rtx); 70 extern bool arc_ccfsm_cond_exec_p (void); 71 struct secondary_reload_info; 72 extern int arc_register_move_cost (machine_mode, enum reg_class, 73 enum reg_class); 74 extern rtx disi_highpart (rtx); 75 extern int arc_adjust_insn_length (rtx_insn *, int, bool); 76 extern int arc_corereg_hazard (rtx, rtx); 77 extern int arc_hazard (rtx_insn *, rtx_insn *); 78 extern int arc_write_ext_corereg (rtx); 79 extern rtx gen_acc1 (void); 80 extern rtx gen_acc2 (void); 81 extern rtx gen_mlo (void); 82 extern rtx gen_mhi (void); 83 extern bool arc_branch_size_unknown_p (void); 84 struct arc_ccfsm; 85 extern void arc_ccfsm_record_condition (rtx, bool, rtx_insn *, 86 struct arc_ccfsm *); 87 extern void arc_expand_prologue (void); 88 extern void arc_expand_epilogue (int); 89 extern void arc_init_expanders (void); 90 extern int arc_check_millicode (rtx op, int offset, int load_p); 91 extern int arc_get_unalign (void); 92 extern void arc_clear_unalign (void); 93 extern void arc_toggle_unalign (void); 94 extern void split_addsi (rtx *); 95 extern void split_subsi (rtx *); 96 extern void arc_split_move (rtx *); 97 extern const char *arc_short_long (rtx_insn *insn, const char *, const char *); 98 extern rtx arc_regno_use_in (unsigned int, rtx); 99 extern bool arc_scheduling_not_expected (void); 100 extern bool arc_sets_cc_p (rtx_insn *insn); 101 extern int arc_label_align (rtx_insn *label); 102 extern bool arc_need_delay (rtx_insn *insn); 103 extern bool arc_text_label (rtx_insn *insn); 104 105 extern bool arc_short_comparison_p (rtx, int); 106 extern bool arc_epilogue_uses (int regno); 107 extern bool arc_eh_uses (int regno); 108 /* insn-attrtab.c doesn't include reload.h, which declares regno_clobbered_p. */ 109 extern int regno_clobbered_p (unsigned int, rtx_insn *, machine_mode, int); 110 extern bool arc_legitimize_reload_address (rtx *, machine_mode, int, int); 111 extern void arc_secondary_reload_conv (rtx, rtx, rtx, bool); 112 extern void arc_cpu_cpp_builtins (cpp_reader *); 113 extern bool arc_store_addr_hazard_p (rtx_insn *, rtx_insn *); 114 extern void arc_eh_return_address_location (rtx); 115 extern bool arc_is_jli_call_p (rtx); 116 extern void arc_file_end (void); 117 extern bool arc_is_secure_call_p (rtx); 118