1/* Inline functions to test validity of reg classes for addressing modes.
2   Copyright (C) 2006, 2007 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
24static inline enum reg_class
25base_reg_class (enum machine_mode mode ATTRIBUTE_UNUSED,
26		enum rtx_code outer_code ATTRIBUTE_UNUSED,
27		enum rtx_code index_code ATTRIBUTE_UNUSED)
28{
29#ifdef MODE_CODE_BASE_REG_CLASS
30  return MODE_CODE_BASE_REG_CLASS (mode, outer_code, index_code);
31#else
32#ifdef MODE_BASE_REG_REG_CLASS
33  if (index_code == REG)
34    return MODE_BASE_REG_REG_CLASS (mode);
35#endif
36#ifdef MODE_BASE_REG_CLASS
37  return MODE_BASE_REG_CLASS (mode);
38#else
39  return BASE_REG_CLASS;
40#endif
41#endif
42}
43
44/* Wrapper function to unify target macros REGNO_MODE_CODE_OK_FOR_BASE_P,
45   REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_OK_FOR_BASE_P and
46   REGNO_OK_FOR_BASE_P.
47   Arguments as for the REGNO_MODE_CODE_OK_FOR_BASE_P macro.  */
48
49static inline bool
50ok_for_base_p_1 (unsigned regno, enum machine_mode mode ATTRIBUTE_UNUSED,
51		 enum rtx_code outer_code ATTRIBUTE_UNUSED,
52		 enum rtx_code index_code ATTRIBUTE_UNUSED)
53{
54#ifdef REGNO_MODE_CODE_OK_FOR_BASE_P
55  return REGNO_MODE_CODE_OK_FOR_BASE_P (regno, mode, outer_code, index_code);
56#else
57#ifdef REGNO_MODE_OK_FOR_REG_BASE_P
58  if (index_code == REG)
59    return REGNO_MODE_OK_FOR_REG_BASE_P (regno, mode);
60#endif
61#ifdef REGNO_MODE_OK_FOR_BASE_P
62  return REGNO_MODE_OK_FOR_BASE_P (regno, mode);
63#else
64  return REGNO_OK_FOR_BASE_P (regno);
65#endif
66#endif
67}
68
69/* Wrapper around ok_for_base_p_1, for use after register allocation is
70   complete.  Arguments as for the called function.  */
71
72static inline bool
73regno_ok_for_base_p (unsigned regno, enum machine_mode mode,
74		     enum rtx_code outer_code, enum rtx_code index_code)
75{
76  if (regno >= FIRST_PSEUDO_REGISTER && reg_renumber[regno] >= 0)
77    regno = reg_renumber[regno];
78
79  return ok_for_base_p_1 (regno, mode, outer_code, index_code);
80}
81