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comparison gcc/config/cr16/cr16-protos.h @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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children 84e7813d76e9
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68:561a7518be6b 111:04ced10e8804
1 /* Prototypes for exported functions defined in cr16.c
2 Copyright (C) 2012-2017 Free Software Foundation, Inc.
3 Contributed by KPIT Cummins Infosystems Limited.
4
5 This file is part of GCC.
6
7 GCC is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published
9 by the Free Software Foundation; either version 3, or (at your
10 option) any later version.
11
12 GCC is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
20
21 #ifndef GCC_CR16_PROTOS_H
22 #define GCC_CR16_PROTOS_H
23
24 /* Register usage. */
25 extern enum reg_class cr16_regno_reg_class (int);
26
27 /* Passing function arguments. */
28 extern int cr16_function_arg_regno_p (int);
29
30 #ifdef TREE_CODE
31 #ifdef RTX_CODE
32
33 extern void cr16_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx);
34
35 #endif /* RTX_CODE. */
36 #endif /* TREE_CODE. */
37
38 /* Enumeration giving the various data models we support. */
39 enum data_model_type
40 {
41 DM_DEFAULT, /* Default data model (in CR16C/C+ - up to 16M). */
42 DM_NEAR, /* Near data model (in CR16C/C+ - up to 1M). */
43 DM_FAR, /* Far data model (in CR16C+ - up to 4G)
44 (in CR16C - up to 16M). */
45 ILLEGAL_DM /* Illegal data model. */
46 };
47
48 #ifdef RTX_CODE
49
50 /* Addressing Modes. */
51 struct cr16_address
52 {
53 rtx base; /* Base register: Any register or register pair. */
54 rtx index; /* Index register: If one is present. */
55 rtx disp; /* Displacement or Absolute address. */
56 enum data_model_type data; /* data ref type. */
57 int code; /* Whether the address is code address.
58 0 - data, 1 - code label, 2 - function label. */
59 };
60
61 enum cr16_addrtype
62 {
63 CR16_INVALID,
64 CR16_REG_REL,
65 CR16_REGP_REL,
66 CR16_INDEX_REGP_REL,
67 CR16_ABSOLUTE
68 };
69
70 extern void notice_update_cc (rtx);
71 extern int cr16_operand_bit_pos (int val, int bitval);
72 extern void cr16_decompose_const (rtx x, int *code,
73 enum data_model_type *data,
74 bool treat_as_const);
75 extern enum cr16_addrtype cr16_decompose_address (rtx addr,
76 struct cr16_address *out,
77 bool debug_print,
78 bool treat_as_const);
79 extern int cr16_const_double_ok (rtx op);
80 extern int legitimate_pic_operand_p (rtx);
81 extern rtx legitimize_pic_address (rtx, machine_mode, rtx);
82
83
84 /* Prologue/Epilogue functions. */
85 extern int cr16_initial_elimination_offset (int, int);
86 extern char *cr16_prepare_push_pop_string (int);
87 extern void cr16_expand_prologue (void);
88 extern void cr16_expand_epilogue (void);
89 extern const char *cr16_emit_add_sub_di (rtx *, enum rtx_code);
90 extern const char *cr16_emit_logical_di (rtx *, enum rtx_code);
91
92 #endif /* RTX_CODE. */
93
94 /* Handling the "interrupt" attribute. */
95 extern int cr16_interrupt_function_p (void);
96 extern bool cr16_is_data_model (enum data_model_type);
97
98 #endif /* Not GCC_CR16_PROTOS_H. */