1 /* Definitions of target machine for GNU compiler, Synopsys DesignWare ARC cpu.
2 Copyright (C) 2000-2024 Free Software Foundation, Inc.
4 This file is part of GCC.
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)
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.
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/>. */
22 extern machine_mode
arc_select_cc_mode (enum rtx_code
, rtx
, rtx
);
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
);
27 /* Declarations for various fns used in the .md file. */
28 extern const char *output_shift_loop (enum rtx_code
, rtx
*);
29 extern void arc_split_ashl (rtx
*);
30 extern void arc_split_ashr (rtx
*);
31 extern void arc_split_lshr (rtx
*);
32 extern void arc_split_rotl (rtx
*);
33 extern void arc_split_rotr (rtx
*);
34 extern bool compact_sda_memory_operand (rtx
, machine_mode
, bool);
35 extern bool arc_double_limm_p (rtx
);
36 extern void arc_print_operand (FILE *, rtx
, int);
37 extern void arc_print_operand_address (FILE *, rtx
);
38 extern void arc_final_prescan_insn (rtx_insn
*, rtx
*, int);
39 extern const char *arc_output_libcall (const char *);
40 extern int arc_output_commutative_cond_exec (rtx
*operands
, bool);
41 extern bool arc_expand_cpymem (rtx
*operands
);
42 extern bool prepare_move_operands (rtx
*operands
, machine_mode mode
);
43 extern bool arc_pre_reload_split (void);
44 extern void arc_expand_atomic_op (enum rtx_code
, rtx
, rtx
, rtx
, rtx
, rtx
);
45 extern void arc_split_compare_and_swap (rtx
*);
46 extern void arc_expand_compare_and_swap (rtx
*);
47 extern bool compact_memory_operand_p (rtx
, machine_mode
, bool, bool);
48 extern bool arc_is_uncached_mem_p (rtx
);
49 extern bool gen_operands_ldd_std (rtx
*operands
, bool load
, bool commute
);
50 extern bool arc_check_multi (rtx
, bool);
51 extern void arc_adjust_reg_alloc_order (void);
52 extern bool arc_check_ior_const (HOST_WIDE_INT
);
53 extern void arc_split_ior (rtx
*);
54 extern bool arc_check_mov_const (HOST_WIDE_INT
);
55 extern bool arc_split_mov_const (rtx
*);
56 extern bool arc_can_use_return_insn (void);
57 extern bool arc_split_move_p (rtx
*);
61 void arc_asm_output_aligned_decl_local (FILE *, tree
, const char *,
62 unsigned HOST_WIDE_INT
,
63 unsigned HOST_WIDE_INT
,
64 unsigned HOST_WIDE_INT
);
65 extern rtx
arc_return_addr_rtx (int , rtx
);
66 extern bool check_if_valid_regno_const (rtx
*, int);
67 extern bool arc_legitimate_constant_p (machine_mode
, rtx
);
68 extern bool arc_legitimate_pic_addr_p (rtx
);
69 extern bool arc_raw_symbolic_reference_mentioned_p (rtx
, bool);
70 extern bool arc_is_longcall_p (rtx
);
71 extern bool arc_is_shortcall_p (rtx
);
72 extern bool valid_brcc_with_delay_p (rtx
*);
73 extern rtx
disi_highpart (rtx
);
74 extern int arc_adjust_insn_length (rtx_insn
*, int, bool);
75 extern int arc_corereg_hazard (rtx
, rtx
);
76 extern int arc_hazard (rtx_insn
*, rtx_insn
*);
77 extern int arc_write_ext_corereg (rtx
);
78 extern rtx
gen_acc1 (void);
79 extern rtx
gen_acc2 (void);
80 extern bool arc_branch_size_unknown_p (void);
81 extern void arc_expand_prologue (void);
82 extern void arc_expand_epilogue (int);
83 extern void arc_init_expanders (void);
84 extern int arc_check_millicode (rtx op
, int offset
, int load_p
);
85 extern void split_subsi (rtx
*);
86 extern void arc_split_move (rtx
*);
87 extern const char *arc_short_long (rtx_insn
*insn
, const char *, const char *);
88 extern rtx
arc_regno_use_in (unsigned int, rtx
);
89 extern int arc_label_align (rtx_insn
*label
);
90 extern bool arc_text_label (rtx_insn
*insn
);
92 extern bool arc_short_comparison_p (rtx
, int);
93 extern bool arc_epilogue_uses (int regno
);
94 extern bool arc_eh_uses (int regno
);
95 /* insn-attrtab.cc doesn't include reload.h, which declares regno_clobbered_p. */
96 extern int regno_clobbered_p (unsigned int, rtx_insn
*, machine_mode
, int);
97 extern bool arc_legitimize_reload_address (rtx
*, machine_mode
, int, int);
98 extern void arc_secondary_reload_conv (rtx
, rtx
, rtx
, bool);
99 extern void arc_cpu_cpp_builtins (cpp_reader
*);
100 extern bool arc_store_addr_hazard_p (rtx_insn
*, rtx_insn
*);
101 extern void arc_eh_return_address_location (rtx
);
102 extern bool arc_is_jli_call_p (rtx
);
103 extern void arc_file_end (void);
104 extern bool arc_is_secure_call_p (rtx
);
106 rtl_opt_pass
* make_pass_arc_predicate_delay_insns (gcc::context
*ctxt
);