1 /* Definitions of target machine for GNU compiler, Synopsys DesignWare ARC cpu.
2 Copyright (C) 2000-2023 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.cc 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);