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comparison gcc/addresses.h @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children f6334be47118
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-1:000000000000 0:a06113de4d67
1 /* Inline functions to test validity of reg classes for addressing modes.
2 Copyright (C) 2006, 2007 Free Software Foundation, Inc.
3
4 This file is part of GCC.
5
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
9 version.
10
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 for more details.
15
16 You should have received a copy of the GNU General Public License
17 along 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 static inline enum reg_class
25 base_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
49 static inline bool
50 ok_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
72 static inline bool
73 regno_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 }