i386: Use const reference of struct ix86_frame to avoid copy
[official-gcc.git] / gcc / glimits.h
blob6c50848a59478c9091a2f030b42a001044adc74f
1 /* Copyright (C) 1991-2018 Free Software Foundation, Inc.
3 This file is part of GCC.
5 GCC is free software; you can redistribute it and/or modify it under
6 the terms of the GNU General Public License as published by the Free
7 Software Foundation; either version 3, or (at your option) any later
8 version.
10 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
11 WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 for more details.
15 Under Section 7 of GPL version 3, you are granted additional
16 permissions described in the GCC Runtime Library Exception, version
17 3.1, as published by the Free Software Foundation.
19 You should have received a copy of the GNU General Public License and
20 a copy of the GCC Runtime Library Exception along with this program;
21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
22 <http://www.gnu.org/licenses/>. */
24 #ifndef _LIMITS_H___
25 #define _LIMITS_H___
27 /* Number of bits in a `char'. */
28 #undef CHAR_BIT
29 #define CHAR_BIT __CHAR_BIT__
31 /* Maximum length of a multibyte character. */
32 #ifndef MB_LEN_MAX
33 #define MB_LEN_MAX 1
34 #endif
36 /* Minimum and maximum values a `signed char' can hold. */
37 #undef SCHAR_MIN
38 #define SCHAR_MIN (-SCHAR_MAX - 1)
39 #undef SCHAR_MAX
40 #define SCHAR_MAX __SCHAR_MAX__
42 /* Maximum value an `unsigned char' can hold. (Minimum is 0). */
43 #undef UCHAR_MAX
44 #if __SCHAR_MAX__ == __INT_MAX__
45 # define UCHAR_MAX (SCHAR_MAX * 2U + 1U)
46 #else
47 # define UCHAR_MAX (SCHAR_MAX * 2 + 1)
48 #endif
50 /* Minimum and maximum values a `char' can hold. */
51 #ifdef __CHAR_UNSIGNED__
52 # undef CHAR_MIN
53 # if __SCHAR_MAX__ == __INT_MAX__
54 # define CHAR_MIN 0U
55 # else
56 # define CHAR_MIN 0
57 # endif
58 # undef CHAR_MAX
59 # define CHAR_MAX UCHAR_MAX
60 #else
61 # undef CHAR_MIN
62 # define CHAR_MIN SCHAR_MIN
63 # undef CHAR_MAX
64 # define CHAR_MAX SCHAR_MAX
65 #endif
67 /* Minimum and maximum values a `signed short int' can hold. */
68 #undef SHRT_MIN
69 #define SHRT_MIN (-SHRT_MAX - 1)
70 #undef SHRT_MAX
71 #define SHRT_MAX __SHRT_MAX__
73 /* Maximum value an `unsigned short int' can hold. (Minimum is 0). */
74 #undef USHRT_MAX
75 #if __SHRT_MAX__ == __INT_MAX__
76 # define USHRT_MAX (SHRT_MAX * 2U + 1U)
77 #else
78 # define USHRT_MAX (SHRT_MAX * 2 + 1)
79 #endif
81 /* Minimum and maximum values a `signed int' can hold. */
82 #undef INT_MIN
83 #define INT_MIN (-INT_MAX - 1)
84 #undef INT_MAX
85 #define INT_MAX __INT_MAX__
87 /* Maximum value an `unsigned int' can hold. (Minimum is 0). */
88 #undef UINT_MAX
89 #define UINT_MAX (INT_MAX * 2U + 1U)
91 /* Minimum and maximum values a `signed long int' can hold.
92 (Same as `int'). */
93 #undef LONG_MIN
94 #define LONG_MIN (-LONG_MAX - 1L)
95 #undef LONG_MAX
96 #define LONG_MAX __LONG_MAX__
98 /* Maximum value an `unsigned long int' can hold. (Minimum is 0). */
99 #undef ULONG_MAX
100 #define ULONG_MAX (LONG_MAX * 2UL + 1UL)
102 #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
103 /* Minimum and maximum values a `signed long long int' can hold. */
104 # undef LLONG_MIN
105 # define LLONG_MIN (-LLONG_MAX - 1LL)
106 # undef LLONG_MAX
107 # define LLONG_MAX __LONG_LONG_MAX__
109 /* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */
110 # undef ULLONG_MAX
111 # define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL)
112 #endif
114 #if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__)
115 /* Minimum and maximum values a `signed long long int' can hold. */
116 # undef LONG_LONG_MIN
117 # define LONG_LONG_MIN (-LONG_LONG_MAX - 1LL)
118 # undef LONG_LONG_MAX
119 # define LONG_LONG_MAX __LONG_LONG_MAX__
121 /* Maximum value an `unsigned long long int' can hold. (Minimum is 0). */
122 # undef ULONG_LONG_MAX
123 # define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1ULL)
124 #endif
126 #ifdef __STDC_WANT_IEC_60559_BFP_EXT__
127 /* TS 18661-1 widths of integer types. */
128 # undef CHAR_WIDTH
129 # define CHAR_WIDTH __SCHAR_WIDTH__
130 # undef SCHAR_WIDTH
131 # define SCHAR_WIDTH __SCHAR_WIDTH__
132 # undef UCHAR_WIDTH
133 # define UCHAR_WIDTH __SCHAR_WIDTH__
134 # undef SHRT_WIDTH
135 # define SHRT_WIDTH __SHRT_WIDTH__
136 # undef USHRT_WIDTH
137 # define USHRT_WIDTH __SHRT_WIDTH__
138 # undef INT_WIDTH
139 # define INT_WIDTH __INT_WIDTH__
140 # undef UINT_WIDTH
141 # define UINT_WIDTH __INT_WIDTH__
142 # undef LONG_WIDTH
143 # define LONG_WIDTH __LONG_WIDTH__
144 # undef ULONG_WIDTH
145 # define ULONG_WIDTH __LONG_WIDTH__
146 # undef LLONG_WIDTH
147 # define LLONG_WIDTH __LONG_LONG_WIDTH__
148 # undef ULLONG_WIDTH
149 # define ULLONG_WIDTH __LONG_LONG_WIDTH__
150 #endif
152 #endif /* _LIMITS_H___ */