1 /* Definitions of target machine for GNU compiler, Synopsys DesignWare ARC cpu. 2 Copyright (C) 2000-2021 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 const char *output_shift (rtx *); 29 extern bool compact_sda_memory_operand (rtx, machine_mode, bool); 30 extern bool arc_double_limm_p (rtx); 31 extern void arc_print_operand (FILE *, rtx, int); 32 extern void arc_print_operand_address (FILE *, rtx); 33 extern void arc_final_prescan_insn (rtx_insn *, rtx *, int); 34 extern const char *arc_output_libcall (const char *); 35 extern int arc_output_addsi (rtx *operands, bool, bool); 36 extern int arc_output_commutative_cond_exec (rtx *operands, bool); 37 extern bool arc_expand_cpymem (rtx *operands); 38 extern bool prepare_move_operands (rtx *operands, machine_mode mode); 39 extern void emit_shift (enum rtx_code, rtx, rtx, rtx); 40 extern void arc_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx); 41 extern void arc_split_compare_and_swap (rtx *); 42 extern void arc_expand_compare_and_swap (rtx *); 43 extern bool compact_memory_operand_p (rtx, machine_mode, bool, bool); 44 extern bool arc_is_uncached_mem_p (rtx); 45 extern bool gen_operands_ldd_std (rtx *operands, bool load, bool commute); 46 extern bool arc_check_multi (rtx, bool); 47 extern void arc_adjust_reg_alloc_order (void); 48 extern bool arc_check_ior_const (HOST_WIDE_INT ); 49 extern void arc_split_ior (rtx *); 50 extern bool arc_check_mov_const (HOST_WIDE_INT ); 51 extern bool arc_split_mov_const (rtx *); 52 extern bool arc_can_use_return_insn (void); 53 extern bool arc_split_move_p (rtx *); 54 #endif /* RTX_CODE */ 55 56 extern bool arc_ccfsm_branch_deleted_p (void); 57 extern void arc_ccfsm_record_branch_deleted (void); 58 59 void arc_asm_output_aligned_decl_local (FILE *, tree, const char *, 60 unsigned HOST_WIDE_INT, 61 unsigned HOST_WIDE_INT, 62 unsigned HOST_WIDE_INT); 63 extern rtx arc_return_addr_rtx (int , rtx); 64 extern bool check_if_valid_regno_const (rtx *, int); 65 extern bool arc_legitimate_constant_p (machine_mode, rtx); 66 extern bool arc_legitimate_pic_addr_p (rtx); 67 extern bool arc_raw_symbolic_reference_mentioned_p (rtx, bool); 68 extern bool arc_is_longcall_p (rtx); 69 extern bool arc_is_shortcall_p (rtx); 70 extern bool valid_brcc_with_delay_p (rtx *); 71 extern bool arc_ccfsm_cond_exec_p (void); 72 extern rtx disi_highpart (rtx); 73 extern int arc_adjust_insn_length (rtx_insn *, int, bool); 74 extern int arc_corereg_hazard (rtx, rtx); 75 extern int arc_hazard (rtx_insn *, rtx_insn *); 76 extern int arc_write_ext_corereg (rtx); 77 extern rtx gen_acc1 (void); 78 extern rtx gen_acc2 (void); 79 extern bool arc_branch_size_unknown_p (void); 80 struct arc_ccfsm; 81 extern void arc_ccfsm_record_condition (rtx, bool, rtx_insn *, 82 struct arc_ccfsm *); 83 extern void arc_expand_prologue (void); 84 extern void arc_expand_epilogue (int); 85 extern void arc_init_expanders (void); 86 extern int arc_check_millicode (rtx op, int offset, int load_p); 87 extern void arc_clear_unalign (void); 88 extern void arc_toggle_unalign (void); 89 extern void split_addsi (rtx *); 90 extern void split_subsi (rtx *); 91 extern void arc_split_move (rtx *); 92 extern const char *arc_short_long (rtx_insn *insn, const char *, const char *); 93 extern rtx arc_regno_use_in (unsigned int, rtx); 94 extern int arc_label_align (rtx_insn *label); 95 extern bool arc_text_label (rtx_insn *insn); 96 97 extern bool arc_short_comparison_p (rtx, int); 98 extern bool arc_epilogue_uses (int regno); 99 extern bool arc_eh_uses (int regno); 100 /* insn-attrtab.c doesn't include reload.h, which declares regno_clobbered_p. */ 101 extern int regno_clobbered_p (unsigned int, rtx_insn *, machine_mode, int); 102 extern bool arc_legitimize_reload_address (rtx *, machine_mode, int, int); 103 extern void arc_secondary_reload_conv (rtx, rtx, rtx, bool); 104 extern void arc_cpu_cpp_builtins (cpp_reader *); 105 extern bool arc_store_addr_hazard_p (rtx_insn *, rtx_insn *); 106 extern void arc_eh_return_address_location (rtx); 107 extern bool arc_is_jli_call_p (rtx); 108 extern void arc_file_end (void); 109 extern bool arc_is_secure_call_p (rtx); 110 111 rtl_opt_pass * make_pass_arc_ifcvt (gcc::context *ctxt); 112 rtl_opt_pass * make_pass_arc_predicate_delay_insns (gcc::context *ctxt); 113