1 /* Definitions of target machine for GNU compiler.
3 Copyright (C) 2000-2024 Free Software Foundation, Inc.
4 Contributed by Steve Chamberlain (sac@cygnus.com),
5 Jim Wilson (wilson@cygnus.com), and Doug Evans (dje@cygnus.com).
7 This file is part of GCC.
9 GCC is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3, or (at your option)
14 GCC is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with GCC; see the file COPYING3. If not see
21 <http://www.gnu.org/licenses/>. */
23 #ifndef GCC_H8300_PROTOS_H
24 #define GCC_H8300_PROTOS_H
26 /* Declarations for functions used in insn-output.cc. */
28 extern unsigned int compute_mov_length (rtx
*);
29 extern const char *output_plussi (rtx
*, bool);
30 extern unsigned int compute_plussi_length (rtx
*, bool);
31 extern const char *output_a_shift (rtx
[4], rtx_code
);
32 extern unsigned int compute_a_shift_length (rtx
[4], rtx_code
);
33 extern const char *output_a_rotate (enum rtx_code
, rtx
*);
34 extern unsigned int compute_a_rotate_length (rtx
*);
35 extern const char *output_simode_bld (int, rtx
[]);
36 extern void final_prescan_insn (rtx_insn
*, rtx
*, int);
37 extern int h8300_expand_movsi (rtx
[]);
38 extern machine_mode
h8300_select_cc_mode (RTX_CODE
, rtx
, rtx
);
39 extern const char *output_logical_op (machine_mode
, rtx_code code
,
41 extern unsigned int compute_logical_op_length (machine_mode
, rtx_code
,
44 extern int compute_a_shift_cc (rtx
*, rtx_code
);
46 extern enum attr_cc
compute_plussi_cc (rtx
*);
48 extern void h8300_expand_store (rtx
[]);
49 extern bool expand_a_shift (machine_mode
, enum rtx_code
, rtx
[]);
50 extern int h8300_shift_needs_scratch_p (int, machine_mode
, rtx_code
);
51 extern int expand_a_rotate (rtx
[]);
52 extern int fix_bit_operand (rtx
*, enum rtx_code
);
53 extern int h8300_adjust_insn_length (rtx
, int);
54 extern void split_adds_subs (machine_mode
, rtx
[]);
56 extern int h8300_eightbit_constant_address_p (rtx
);
57 extern int h8300_tiny_constant_address_p (rtx
);
58 extern int byte_accesses_mergeable_p (rtx
, rtx
);
59 extern int same_cmp_preceding_p (rtx_insn
*);
60 extern int same_cmp_following_p (rtx_insn
*);
62 /* Used in builtins.cc */
63 extern rtx
h8300_return_addr_rtx (int, rtx
);
65 /* Classifies an h8sx shift operation.
68 The shift cannot be done in a single instruction.
71 The shift is effectively a unary operation. The instruction will
72 allow any sort of destination operand and have a format similar
73 to neg and not. This is true of certain power-of-2 shifts.
76 The shift is a binary operation. The destination must be a
77 register and the source can be a register or a constant. */
78 enum h8sx_shift_type
{
84 extern enum h8sx_shift_type
h8sx_classify_shift (machine_mode
, enum rtx_code
, rtx
);
85 extern int h8300_ldm_stm_parallel (rtvec
, int, int);
89 extern int h8300_funcvec_function_p (tree
);
90 extern int h8300_eightbit_data_p (tree
);
91 extern int h8300_tiny_data_p (tree
);
92 #endif /* TREE_CODE */
94 extern int h8300_can_use_return_insn_p (void);
95 extern void h8300_expand_prologue (void);
96 extern void h8300_expand_epilogue (bool);
97 extern int h8300_current_function_interrupt_function_p (void);
98 extern int h8300_current_function_monitor_function_p (void);
99 extern int h8300_initial_elimination_offset (int, int);
100 extern int h8300_regs_ok_for_stm (int, rtx
[]);
101 extern int h8300_hard_regno_rename_ok (unsigned int, unsigned int);
102 extern bool h8300_move_ok (rtx
, rtx
);
103 extern bool pre_incdec_with_reg (rtx
, unsigned int);
106 extern void h8300_pr_interrupt (struct cpp_reader
*);
107 extern void h8300_pr_saveall (struct cpp_reader
*);
108 extern enum reg_class
h8300_reg_class_from_letter (int);
109 extern unsigned int h8300_insn_length_from_table (rtx_insn
*, rtx
*);
110 extern const char * output_h8sx_shift (rtx
*, int, int);
111 extern bool h8300_operands_match_p (rtx
*);
112 extern bool h8sx_mergeable_memrefs_p (rtx
, rtx
);
113 extern poly_int64
h8300_push_rounding (poly_int64
);
114 extern bool use_extvsi (int, int);
116 #endif /* ! GCC_H8300_PROTOS_H */