1 /* Definitions of target machine for GNU compiler. Sun 68000/68020 version.
2 Copyright (C) 2000-2022 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/>. */
20 /* Define functions defined in aux-output.c and used in templates. */
23 extern enum m68k_function_kind
m68k_get_function_kind (tree
);
24 extern HOST_WIDE_INT
m68k_initial_elimination_offset (int from
, int to
);
26 extern void split_di (rtx
[], int, rtx
[], rtx
[]);
28 extern bool valid_mov3q_const (HOST_WIDE_INT
);
29 extern const char *output_move_simode (rtx
*);
30 extern const char *output_move_himode (rtx
*);
31 extern const char *output_move_qimode (rtx
*);
32 extern const char *output_move_stricthi (rtx
*);
33 extern const char *output_move_strictqi (rtx
*);
34 extern const char *output_move_double (rtx
*);
35 extern const char *output_move_const_single (rtx
*);
36 extern const char *output_move_const_double (rtx
*);
37 extern const char *output_btst (rtx
*, rtx
, rtx
, rtx_insn
*, int);
38 extern const char *output_scc_di (rtx
, rtx
, rtx
, rtx
);
39 extern const char *output_addsi3 (rtx
*);
40 extern const char *output_andsi3 (rtx
*);
41 extern const char *output_iorsi3 (rtx
*);
42 extern const char *output_xorsi3 (rtx
*);
43 extern const char *output_call (rtx
);
44 extern const char *output_sibcall (rtx
);
45 extern void m68k_init_cc ();
46 extern void output_dbcc_and_branch (rtx
*, rtx_code
);
47 extern rtx_code
m68k_output_compare_di (rtx
, rtx
, rtx
, rtx
, rtx_insn
*, rtx_code
);
48 extern rtx_code
m68k_output_compare_si (rtx
, rtx
, rtx_code
);
49 extern rtx_code
m68k_output_compare_hi (rtx
, rtx
, rtx_code
);
50 extern rtx_code
m68k_output_compare_qi (rtx
, rtx
, rtx_code
);
51 extern rtx_code
m68k_output_compare_fp (rtx
, rtx
, rtx_code
);
52 extern rtx_code
m68k_output_btst (rtx
, rtx
, rtx_code
, int);
53 extern rtx_code
m68k_output_bftst (rtx
, rtx
, rtx
, rtx_code
);
54 extern rtx_code
m68k_find_flags_value (rtx
, rtx
, rtx_code
);
56 extern const char *m68k_output_scc (rtx_code
);
57 extern const char *m68k_output_scc_float (rtx_code
);
58 extern const char *m68k_output_branch_integer (rtx_code
);
59 extern const char *m68k_output_branch_integer_rev (rtx_code
);
60 extern const char *m68k_output_branch_float (rtx_code
);
61 extern const char *m68k_output_branch_float_rev (rtx_code
);
62 extern int floating_exact_log2 (rtx
);
63 extern bool strict_low_part_peephole_ok (machine_mode mode
,
64 rtx_insn
*first_insn
, rtx target
);
66 /* Functions from m68k.cc used in macros. */
67 extern int standard_68881_constant_p (rtx
);
68 extern void print_operand_address (FILE *, rtx
);
69 extern void print_operand (FILE *, rtx
, int);
70 extern void notice_update_cc (rtx
, rtx
);
71 extern bool m68k_legitimate_base_reg_p (rtx
, bool);
72 extern bool m68k_legitimate_index_reg_p (rtx
, bool);
73 extern bool m68k_illegitimate_symbolic_constant_p (rtx
);
74 extern bool m68k_legitimate_constant_p (machine_mode
, rtx
);
75 extern bool m68k_matches_q_p (rtx
);
76 extern bool m68k_matches_u_p (rtx
);
77 extern rtx
legitimize_pic_address (rtx
, machine_mode
, rtx
);
78 extern rtx
m68k_legitimize_tls_address (rtx
);
79 extern bool m68k_tls_reference_p (rtx
, bool);
80 extern int valid_dbcc_comparison_p_2 (rtx
, machine_mode
);
81 extern rtx
m68k_libcall_value (machine_mode
);
82 extern rtx
m68k_function_value (const_tree
, const_tree
);
83 extern int emit_move_sequence (rtx
*, machine_mode
, rtx
);
84 extern bool m68k_movem_pattern_p (rtx
, rtx
, HOST_WIDE_INT
, bool);
85 extern const char *m68k_output_movem (rtx
*, rtx
, HOST_WIDE_INT
, bool);
86 extern bool m68k_epilogue_uses (int);
88 /* Functions from m68k.cc used in constraints.md. */
89 extern rtx
m68k_unwrap_symbol (rtx
, bool);
91 /* Functions from m68k.cc used in genattrtab. */
93 extern enum attr_cpu m68k_sched_cpu
;
94 extern enum attr_mac m68k_sched_mac
;
96 extern enum attr_opx_type
m68k_sched_attr_opx_type (rtx_insn
*, int);
97 extern enum attr_opy_type
m68k_sched_attr_opy_type (rtx_insn
*, int);
98 extern enum attr_size
m68k_sched_attr_size (rtx_insn
*);
99 extern enum attr_op_mem
m68k_sched_attr_op_mem (rtx_insn
*);
100 #endif /* HAVE_ATTR_cpu */
102 #endif /* RTX_CODE */
104 extern enum reg_class
m68k_secondary_reload_class (enum reg_class
,
106 extern enum reg_class
m68k_preferred_reload_class (rtx
, enum reg_class
);
107 extern void m68k_expand_prologue (void);
108 extern bool m68k_use_return_insn (void);
109 extern void m68k_expand_epilogue (bool);
110 extern const char *m68k_cpp_cpu_ident (const char *);
111 extern const char *m68k_cpp_cpu_family (const char *);
112 extern void init_68881_table (void);
113 extern rtx
m68k_legitimize_call_address (rtx
);
114 extern rtx
m68k_legitimize_sibcall_address (rtx
);
115 extern int m68k_hard_regno_rename_ok(unsigned int, unsigned int);
116 extern poly_int64
m68k_push_rounding (poly_int64
);