1 /* Definitions of target machine for GNU compiler, Synopsys DesignWare ARC cpu.
2 Copyright (C) 2000-2017 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 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 op
,machine_mode mode
);
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 void arc_set_default_type_attributes(tree type
);
36 extern const char *arc_output_libcall (const char *);
37 extern bool prepare_extend_operands (rtx
*operands
, enum rtx_code code
,
39 extern int arc_output_addsi (rtx
*operands
, bool, bool);
40 extern int arc_output_commutative_cond_exec (rtx
*operands
, bool);
41 extern bool arc_expand_movmem (rtx
*operands
);
42 extern bool prepare_move_operands (rtx
*operands
, machine_mode mode
);
43 extern void emit_shift (enum rtx_code
, rtx
, rtx
, rtx
);
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 int arc_return_address_register (unsigned int);
49 extern unsigned int arc_compute_function_type (struct function
*);
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);
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 check_if_valid_sleep_operand (rtx
*, int);
63 extern bool arc_legitimate_constant_p (machine_mode
, rtx
);
64 extern bool arc_legitimate_pc_offset_p (rtx
);
65 extern bool arc_legitimate_pic_addr_p (rtx
);
66 extern bool arc_raw_symbolic_reference_mentioned_p (rtx
, bool);
67 extern bool arc_legitimate_pic_operand_p (rtx
);
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 small_data_pattern (rtx
, machine_mode
);
72 extern rtx
arc_rewrite_small_data (rtx
);
73 extern bool arc_ccfsm_cond_exec_p (void);
74 struct secondary_reload_info
;
75 extern int arc_register_move_cost (machine_mode
, enum reg_class
,
77 extern rtx
disi_highpart (rtx
);
78 extern int arc_adjust_insn_length (rtx_insn
*, int, bool);
79 extern int arc_corereg_hazard (rtx
, rtx
);
80 extern int arc_hazard (rtx_insn
*, rtx_insn
*);
81 extern int arc_write_ext_corereg (rtx
);
82 extern rtx
gen_acc1 (void);
83 extern rtx
gen_acc2 (void);
84 extern rtx
gen_mlo (void);
85 extern rtx
gen_mhi (void);
86 extern bool arc_branch_size_unknown_p (void);
88 extern void arc_ccfsm_record_condition (rtx
, bool, rtx_insn
*,
90 extern void arc_expand_prologue (void);
91 extern void arc_expand_epilogue (int);
92 extern void arc_init_expanders (void);
93 extern int arc_check_millicode (rtx op
, int offset
, int load_p
);
94 extern int arc_get_unalign (void);
95 extern void arc_clear_unalign (void);
96 extern void arc_toggle_unalign (void);
97 extern void split_addsi (rtx
*);
98 extern void split_subsi (rtx
*);
99 extern void arc_pad_return (void);
100 extern void arc_split_move (rtx
*);
101 extern int arc_verify_short (rtx_insn
*insn
, int unalign
, int);
102 extern const char *arc_short_long (rtx_insn
*insn
, const char *, const char *);
103 extern rtx
arc_regno_use_in (unsigned int, rtx
);
104 extern int arc_attr_type (rtx_insn
*);
105 extern bool arc_scheduling_not_expected (void);
106 extern bool arc_sets_cc_p (rtx_insn
*insn
);
107 extern int arc_label_align (rtx_insn
*label
);
108 extern bool arc_need_delay (rtx_insn
*insn
);
109 extern bool arc_text_label (rtx_insn
*insn
);
111 extern bool arc_short_comparison_p (rtx
, int);
112 extern bool arc_epilogue_uses (int regno
);
113 extern bool arc_eh_uses (int regno
);
114 /* insn-attrtab.c doesn't include reload.h, which declares regno_clobbered_p. */
115 extern int regno_clobbered_p (unsigned int, rtx_insn
*, machine_mode
, int);
116 extern int arc_return_slot_offset (void);
117 extern bool arc_legitimize_reload_address (rtx
*, machine_mode
, int, int);
118 extern void arc_secondary_reload_conv (rtx
, rtx
, rtx
, bool);
119 extern void arc_cpu_cpp_builtins (cpp_reader
*);
120 extern bool arc_store_addr_hazard_p (rtx_insn
*, rtx_insn
*);