StdLib/LibC/Main/Arm/int_types.h

   1 /**
   2 University of Illinois/NCSA
   3 Open Source License
   4
   5 Copyright (c) 2009-2014 by the contributors listed in CREDITS.TXT
   6
   7 All rights reserved.
   8
   9 Developed by:
  10
  11     LLVM Team
  12
  13     University of Illinois at Urbana-Champaign
  14
  15     http://llvm.org
  16
  17 Permission is hereby granted, free of charge, to any person obtaining a copy of
  18 this software and associated documentation files (the "Software"), to deal with
  19 the Software without restriction, including without limitation the rights to
  20 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  21 of the Software, and to permit persons to whom the Software is furnished to do
  22 so, subject to the following conditions:
  23
  24     * Redistributions of source code must retain the above copyright notice,
  25       this list of conditions and the following disclaimers.
  26
  27     * Redistributions in binary form must reproduce the above copyright notice,
  28       this list of conditions and the following disclaimers in the
  29       documentation and/or other materials provided with the distribution.
  30
  31     * Neither the names of the LLVM Team, University of Illinois at
  32       Urbana-Champaign, nor the names of its contributors may be used to
  33       endorse or promote products derived from this Software without specific
  34       prior written permission.
  35
  36 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  37 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  38 FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  39 CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  40 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  41 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
  42 SOFTWARE.
  43 **/
  44
  45 #ifndef INT_TYPES_H
  46 #define INT_TYPES_H
  47
  48 #include "int_endianness.h"
  49
  50 typedef      int si_int;
  51 typedef unsigned su_int;
  52
  53 typedef          long long di_int;
  54 typedef unsigned long long du_int;
  55
  56 typedef union
  57 {
  58     di_int all;
  59     struct
  60     {
  61 #if _YUGA_LITTLE_ENDIAN
  62         su_int low;
  63         si_int high;
  64 #else
  65         si_int high;
  66         su_int low;
  67 #endif /* _YUGA_LITTLE_ENDIAN */
  68     }s;
  69 } dwords;
  70
  71 typedef union
  72 {
  73     du_int all;
  74     struct
  75     {
  76 #if _YUGA_LITTLE_ENDIAN
  77         su_int low;
  78         su_int high;
  79 #else
  80         su_int high;
  81         su_int low;
  82 #endif /* _YUGA_LITTLE_ENDIAN */
  83     }s;
  84 } udwords;
  85
  86 #if __LP64__
  87 #define CRT_HAS_128BIT
  88 #endif
  89
  90 #ifdef CRT_HAS_128BIT
  91 typedef int      ti_int __attribute__ ((mode (TI)));
  92 typedef unsigned tu_int __attribute__ ((mode (TI)));
  93
  94 typedef union
  95 {
  96     ti_int all;
  97     struct
  98     {
  99 #if _YUGA_LITTLE_ENDIAN
 100         du_int low;
 101         di_int high;
 102 #else
 103         di_int high;
 104         du_int low;
 105 #endif /* _YUGA_LITTLE_ENDIAN */
 106     }s;
 107 } twords;
 108
 109 typedef union
 110 {
 111     tu_int all;
 112     struct
 113     {
 114 #if _YUGA_LITTLE_ENDIAN
 115         du_int low;
 116         du_int high;
 117 #else
 118         du_int high;
 119         du_int low;
 120 #endif /* _YUGA_LITTLE_ENDIAN */
 121     }s;
 122 } utwords;
 123
 124 static inline ti_int make_ti(di_int h, di_int l) {
 125     twords r;
 126     r.s.high = h;
 127     r.s.low = l;
 128     return r.all;
 129 }
 130
 131 static inline tu_int make_tu(du_int h, du_int l) {
 132     utwords r;
 133     r.s.high = h;
 134     r.s.low = l;
 135     return r.all;
 136 }
 137
 138 #endif /* CRT_HAS_128BIT */
 139
 140 typedef union
 141 {
 142     su_int u;
 143     float f;
 144 } float_bits;
 145
 146 typedef union
 147 {
 148     udwords u;
 149     double  f;
 150 } double_bits;
 151
 152 typedef struct
 153 {
 154 #if _YUGA_LITTLE_ENDIAN
 155     udwords low;
 156     udwords high;
 157 #else
 158     udwords high;
 159     udwords low;
 160 #endif /* _YUGA_LITTLE_ENDIAN */
 161 } uqwords;
 162
 163 typedef union
 164 {
 165     uqwords     u;
 166     long double f;
 167 } long_double_bits;
 168
 169 #endif /* INT_TYPES_H */
 170