1/* Definitions of target machine for GNU compiler.  Sun 68000/68020 version.
2   Copyright (C) 2000-2015 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 3, or (at your option)
9any later version.
10
11GCC is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3.  If not see
18<http://www.gnu.org/licenses/>.  */
19
20/* Define functions defined in aux-output.c and used in templates.  */
21
22#ifdef RTX_CODE
23extern enum m68k_function_kind m68k_get_function_kind (tree);
24extern HOST_WIDE_INT m68k_initial_elimination_offset (int from, int to);
25
26extern void split_di (rtx[], int, rtx[], rtx[]);
27
28extern bool valid_mov3q_const (HOST_WIDE_INT);
29extern const char *output_move_simode (rtx *);
30extern const char *output_move_himode (rtx *);
31extern const char *output_move_qimode (rtx *);
32extern const char *output_move_stricthi (rtx *);
33extern const char *output_move_strictqi (rtx *);
34extern const char *output_move_double (rtx *);
35extern const char *output_move_const_single (rtx *);
36extern const char *output_move_const_double (rtx *);
37extern const char *output_btst (rtx *, rtx, rtx, rtx_insn *, int);
38extern const char *output_scc_di (rtx, rtx, rtx, rtx);
39extern const char *output_addsi3 (rtx *);
40extern const char *output_andsi3 (rtx *);
41extern const char *output_iorsi3 (rtx *);
42extern const char *output_xorsi3 (rtx *);
43extern const char *output_call (rtx);
44extern const char *output_sibcall (rtx);
45extern void output_dbcc_and_branch (rtx *);
46extern int floating_exact_log2 (rtx);
47extern bool strict_low_part_peephole_ok (machine_mode mode,
48					 rtx_insn *first_insn, rtx target);
49
50/* Functions from m68k.c used in macros.  */
51extern int standard_68881_constant_p (rtx);
52extern void print_operand_address (FILE *, rtx);
53extern void print_operand (FILE *, rtx, int);
54extern void notice_update_cc (rtx, rtx);
55extern bool m68k_legitimate_base_reg_p (rtx, bool);
56extern bool m68k_legitimate_index_reg_p (rtx, bool);
57extern bool m68k_illegitimate_symbolic_constant_p (rtx);
58extern bool m68k_legitimate_constant_p (machine_mode, rtx);
59extern bool m68k_matches_q_p (rtx);
60extern bool m68k_matches_u_p (rtx);
61extern rtx legitimize_pic_address (rtx, machine_mode, rtx);
62extern rtx m68k_legitimize_tls_address (rtx);
63extern bool m68k_tls_reference_p (rtx, bool);
64extern int valid_dbcc_comparison_p_2 (rtx, machine_mode);
65extern rtx m68k_libcall_value (machine_mode);
66extern rtx m68k_function_value (const_tree, const_tree);
67extern int emit_move_sequence (rtx *, machine_mode, rtx);
68extern bool m68k_movem_pattern_p (rtx, rtx, HOST_WIDE_INT, bool);
69extern const char *m68k_output_movem (rtx *, rtx, HOST_WIDE_INT, bool);
70extern void m68k_final_prescan_insn (rtx_insn *, rtx *, int);
71extern bool m68k_epilogue_uses (int);
72
73/* Functions from m68k.c used in constraints.md.  */
74extern rtx m68k_unwrap_symbol (rtx, bool);
75
76/* Functions from m68k.c used in genattrtab.  */
77#ifdef HAVE_ATTR_cpu
78extern enum attr_cpu m68k_sched_cpu;
79extern enum attr_mac m68k_sched_mac;
80
81extern enum attr_opx_type m68k_sched_attr_opx_type (rtx_insn *, int);
82extern enum attr_opy_type m68k_sched_attr_opy_type (rtx_insn *, int);
83extern enum attr_size m68k_sched_attr_size (rtx_insn *);
84extern enum attr_op_mem m68k_sched_attr_op_mem (rtx_insn *);
85#endif /* HAVE_ATTR_cpu */
86
87#endif /* RTX_CODE */
88
89extern bool m68k_regno_mode_ok (int, machine_mode);
90extern enum reg_class m68k_secondary_reload_class (enum reg_class,
91						   machine_mode, rtx);
92extern enum reg_class m68k_preferred_reload_class (rtx, enum reg_class);
93extern int flags_in_68881 (void);
94extern void m68k_expand_prologue (void);
95extern bool m68k_use_return_insn (void);
96extern void m68k_expand_epilogue (bool);
97extern const char *m68k_cpp_cpu_ident (const char *);
98extern const char *m68k_cpp_cpu_family (const char *);
99extern void init_68881_table (void);
100extern rtx m68k_legitimize_call_address (rtx);
101extern rtx m68k_legitimize_sibcall_address (rtx);
102extern int m68k_hard_regno_rename_ok(unsigned int, unsigned int);
103