1/* Inline functions to test validity of reg classes for addressing modes.
2 Copyright (C) 2006-2017 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14for 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/* Wrapper function to unify target macros MODE_CODE_BASE_REG_CLASS,
21 MODE_BASE_REG_REG_CLASS, MODE_BASE_REG_CLASS and BASE_REG_CLASS.
22 Arguments as for the MODE_CODE_BASE_REG_CLASS macro. */
23
24#ifndef GCC_ADDRESSES_H
25#define GCC_ADDRESSES_H
26
27static inline enum reg_class
28base_reg_class (machine_mode mode ATTRIBUTE_UNUSED,
29 addr_space_t as ATTRIBUTE_UNUSED,
30 enum rtx_code outer_code ATTRIBUTE_UNUSED,
31 enum rtx_code index_code ATTRIBUTE_UNUSED)
32{
33#ifdef MODE_CODE_BASE_REG_CLASS
34 return MODE_CODE_BASE_REG_CLASS (mode, as, outer_code, index_code);
35#else
36#ifdef MODE_BASE_REG_REG_CLASS
37 if (index_code == REG)
38 return MODE_BASE_REG_REG_CLASS (mode);
39#endif
40#ifdef MODE_BASE_REG_CLASS
41 return MODE_BASE_REG_CLASS (mode);
42#else
43 return BASE_REG_CLASS;
44#endif
45#endif
46}
47
48/* Wrapper function to unify target macros REGNO_MODE_CODE_OK_FOR_BASE_P,
49 REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_OK_FOR_BASE_P and
50 REGNO_OK_FOR_BASE_P.
51 Arguments as for the REGNO_MODE_CODE_OK_FOR_BASE_P macro. */
52
53static inline bool
54ok_for_base_p_1 (unsigned regno ATTRIBUTE_UNUSED,
55 machine_mode mode ATTRIBUTE_UNUSED,
56 addr_space_t as ATTRIBUTE_UNUSED,
57 enum rtx_code outer_code ATTRIBUTE_UNUSED,
58 enum rtx_code index_code ATTRIBUTE_UNUSED)
59{
60#ifdef REGNO_MODE_CODE_OK_FOR_BASE_P
61 return REGNO_MODE_CODE_OK_FOR_BASE_P (regno, mode, as,
62 outer_code, index_code);
63#else
64#ifdef REGNO_MODE_OK_FOR_REG_BASE_P
65 if (index_code == REG)
66 return REGNO_MODE_OK_FOR_REG_BASE_P (regno, mode);
67#endif
68#ifdef REGNO_MODE_OK_FOR_BASE_P
69 return REGNO_MODE_OK_FOR_BASE_P (regno, mode);
70#else
71 return REGNO_OK_FOR_BASE_P (regno);
72#endif
73#endif
74}
75
76/* Wrapper around ok_for_base_p_1, for use after register allocation is
77 complete. Arguments as for the called function. */
78
79static inline bool
80regno_ok_for_base_p (unsigned regno, machine_mode mode, addr_space_t as,
81 enum rtx_code outer_code, enum rtx_code index_code)
82{
83 if (regno >= FIRST_PSEUDO_REGISTER && reg_renumber[regno] >= 0)
84 regno = reg_renumber[regno];
85
86 return ok_for_base_p_1 (regno, mode, as, outer_code, index_code);
87}
88
89#endif /* GCC_ADDRESSES_H */
90