1/* Inline functions to test validity of reg classes for addressing modes.
2   Copyright (C) 2006 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 2, 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 COPYING.  If not, write to the Free
18Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
1902110-1301, USA.  */
20
21/* Wrapper function to unify target macros MODE_CODE_BASE_REG_CLASS,
22   MODE_BASE_REG_REG_CLASS, MODE_BASE_REG_CLASS and BASE_REG_CLASS.
23   Arguments as for the MODE_CODE_BASE_REG_CLASS macro.  */
24
25static inline enum reg_class
26base_reg_class (enum machine_mode mode ATTRIBUTE_UNUSED,
27		enum rtx_code outer_code ATTRIBUTE_UNUSED,
28		enum rtx_code index_code ATTRIBUTE_UNUSED)
29{
30#ifdef MODE_CODE_BASE_REG_CLASS
31  return MODE_CODE_BASE_REG_CLASS (mode, outer_code, index_code);
32#else
33#ifdef MODE_BASE_REG_REG_CLASS
34  if (index_code == REG)
35    return MODE_BASE_REG_REG_CLASS (mode);
36#endif
37#ifdef MODE_BASE_REG_CLASS
38  return MODE_BASE_REG_CLASS (mode);
39#else
40  return BASE_REG_CLASS;
41#endif
42#endif
43}
44
45/* Wrapper function to unify target macros REGNO_MODE_CODE_OK_FOR_BASE_P,
46   REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_OK_FOR_BASE_P and
47   REGNO_OK_FOR_BASE_P.
48   Arguments as for the REGNO_MODE_CODE_OK_FOR_BASE_P macro.  */
49
50static inline bool
51ok_for_base_p_1 (unsigned regno, enum machine_mode mode ATTRIBUTE_UNUSED,
52		 enum rtx_code outer_code ATTRIBUTE_UNUSED,
53		 enum rtx_code index_code ATTRIBUTE_UNUSED)
54{
55#ifdef REGNO_MODE_CODE_OK_FOR_BASE_P
56  return REGNO_MODE_CODE_OK_FOR_BASE_P (regno, mode, outer_code, index_code);
57#else
58#ifdef REGNO_MODE_OK_FOR_REG_BASE_P
59  if (index_code == REG)
60    return REGNO_MODE_OK_FOR_REG_BASE_P (regno, mode);
61#endif
62#ifdef REGNO_MODE_OK_FOR_BASE_P
63  return REGNO_MODE_OK_FOR_BASE_P (regno, mode);
64#else
65  return REGNO_OK_FOR_BASE_P (regno);
66#endif
67#endif
68}
69
70/* Wrapper around ok_for_base_p_1, for use after register allocation is
71   complete.  Arguments as for the called function.  */
72
73static inline bool
74regno_ok_for_base_p (unsigned regno, enum machine_mode mode,
75		     enum rtx_code outer_code, enum rtx_code index_code)
76{
77  if (regno >= FIRST_PSEUDO_REGISTER && reg_renumber[regno] >= 0)
78    regno = reg_renumber[regno];
79
80  return ok_for_base_p_1 (regno, mode, outer_code, index_code);
81}
82