gcc/hwint.h

   1 /* HOST_WIDE_INT definitions for the GNU compiler.
   2    Copyright (C) 1998 Free Software Foundation, Inc.
   3
   4    This file is part of GCC.
   5
   6    Provide definitions for macros which depend on HOST_BITS_PER_INT
   7    and HOST_BITS_PER_LONG.  */
   8
   9 #ifndef GCC_HWINT_H
  10 #define GCC_HWINT_H
  11
  12 /* This describes the machine the compiler is hosted on.  */
  13 #define HOST_BITS_PER_CHAR  CHAR_BIT
  14 #define HOST_BITS_PER_SHORT (CHAR_BIT * SIZEOF_SHORT)
  15 #define HOST_BITS_PER_INT   (CHAR_BIT * SIZEOF_INT)
  16 #define HOST_BITS_PER_LONG  (CHAR_BIT * SIZEOF_LONG)
  17
  18 #ifdef HAVE_LONG_LONG
  19 # define HOST_BITS_PER_LONGLONG (CHAR_BIT * SIZEOF_LONG_LONG)
  20 #else
  21 #ifdef HAVE__INT64
  22 # define HOST_BITS_PER_LONGLONG (CHAR_BIT * SIZEOF___INT64)
  23 #else
  24 /* If we're here and we're GCC, assume this is stage 2+ of a bootstrap
  25    and 'long long' has the width of the *target*'s long long.  */
  26 # if GCC_VERSION > 3000
  27 #  define HOST_BITS_PER_LONGLONG LONG_LONG_TYPE_SIZE
  28 # endif /* gcc */
  29 #endif
  30 #endif /* no long long */
  31
  32 /* Find the largest host integer type and set its size and type.  */
  33
  34 /* Use long long on the host if the target has a wider long type than
  35    the host.  */
  36
  37 #if ! defined HOST_BITS_PER_WIDE_INT \
  38     && defined HOST_BITS_PER_LONGLONG \
  39     && (HOST_BITS_PER_LONGLONG > HOST_BITS_PER_LONG) \
  40     && (defined (LONG_LONG_MAX) || defined (LONGLONG_MAX) \
  41         || defined (LLONG_MAX) || defined (__GNUC__))
  42
  43 # ifdef MAX_LONG_TYPE_SIZE
  44 #  if MAX_LONG_TYPE_SIZE > HOST_BITS_PER_LONG
  45 #   define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_LONGLONG
  46 #   define HOST_WIDE_INT long long
  47 #  endif
  48 # else
  49 #  if LONG_TYPE_SIZE > HOST_BITS_PER_LONG
  50 #   define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_LONGLONG
  51 #   define HOST_WIDE_INT long long
  52 #  endif
  53 # endif
  54
  55 #endif
  56
  57 #ifndef HOST_BITS_PER_WIDE_INT
  58
  59 # if HOST_BITS_PER_LONG > HOST_BITS_PER_INT
  60 #  define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_LONG
  61 #  define HOST_WIDE_INT long
  62 # else
  63 #  define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_INT
  64 #  define HOST_WIDE_INT int
  65 # endif
  66
  67 #endif /* ! HOST_BITS_PER_WIDE_INT */
  68
  69 /* Provide defaults for the way to print a HOST_WIDE_INT
  70    in various manners.  */
  71
  72 #ifndef HOST_WIDE_INT_PRINT_DEC
  73 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
  74 #  define HOST_WIDE_INT_PRINT_DEC "%d"
  75 #  define HOST_WIDE_INT_PRINT_DEC_C "%d"
  76 #  define HOST_WIDE_INT_PRINT_DEC_SPACE "% *d"
  77 # else
  78 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
  79 #   define HOST_WIDE_INT_PRINT_DEC "%ld"
  80 #   define HOST_WIDE_INT_PRINT_DEC_C "%ldL"
  81 #   define HOST_WIDE_INT_PRINT_DEC_SPACE "% *ld"
  82 #  else
  83 #   define HOST_WIDE_INT_PRINT_DEC "%lld"
  84 #   define HOST_WIDE_INT_PRINT_DEC_C "%lldLL"
  85 #   define HOST_WIDE_INT_PRINT_DEC_SPACE "% *lld"
  86 #  endif
  87 # endif
  88 #endif /* ! HOST_WIDE_INT_PRINT_DEC */
  89
  90 #ifndef HOST_WIDE_INT_PRINT_UNSIGNED
  91 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
  92 #  define HOST_WIDE_INT_PRINT_UNSIGNED "%u"
  93 #  define HOST_WIDE_INT_PRINT_UNSIGNED_SPACE "% *u"
  94 # else
  95 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
  96 #   define HOST_WIDE_INT_PRINT_UNSIGNED "%lu"
  97 #   define HOST_WIDE_INT_PRINT_UNSIGNED_SPACE "% *lu"
  98 #  else
  99 #   define HOST_WIDE_INT_PRINT_UNSIGNED "%llu"
 100 #   define HOST_WIDE_INT_PRINT_UNSIGNED_SPACE "% *llu"
 101 #  endif
 102 # endif
 103 #endif /* ! HOST_WIDE_INT_PRINT_UNSIGNED */
 104
 105 #ifndef HOST_WIDE_INT_PRINT_HEX
 106 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
 107 #  define HOST_WIDE_INT_PRINT_HEX "0x%x"
 108 # else
 109 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
 110 #   define HOST_WIDE_INT_PRINT_HEX "0x%lx"
 111 #  else
 112 #   define HOST_WIDE_INT_PRINT_HEX "0x%llx"
 113 #  endif
 114 # endif
 115 #endif /* ! HOST_WIDE_INT_PRINT_HEX */
 116
 117 #ifndef HOST_WIDE_INT_PRINT_DOUBLE_HEX
 118 # if HOST_BITS_PER_WIDE_INT == 64
 119 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
 120 #   define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%x%016x"
 121 #  else
 122 #   if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
 123 #    define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%lx%016lx"
 124 #   else
 125 #    define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%llx%016llx"
 126 #   endif
 127 #  endif
 128 # else
 129 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
 130 #   define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%x%08x"
 131 #  else
 132 #   if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
 133 #    define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%lx%08lx"
 134 #   else
 135 #    define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%llx%08llx"
 136 #   endif
 137 #  endif
 138 # endif
 139 #endif /* ! HOST_WIDE_INT_PRINT_DOUBLE_HEX */
 140
 141 /* Find HOST_WIDEST_INT and set its bit size, type and print macros.
 142    It will be the largest integer mode supported by the host which may
 143    (or may not) be larger than HOST_WIDE_INT.  */
 144
 145 #ifndef HOST_WIDEST_INT
 146 #if defined HOST_BITS_PER_LONGLONG \
 147     && HOST_BITS_PER_LONGLONG > HOST_BITS_PER_LONG
 148 #   define HOST_BITS_PER_WIDEST_INT HOST_BITS_PER_LONGLONG
 149 #   define HOST_WIDEST_INT long long
 150 #   define HOST_WIDEST_INT_PRINT_DEC "%lld"
 151 #   define HOST_WIDEST_INT_PRINT_DEC_SPACE "% *lld"
 152 #   define HOST_WIDEST_INT_PRINT_UNSIGNED "%llu"
 153 #   define HOST_WIDEST_INT_PRINT_UNSIGNED_SPACE "% *llu"
 154 #   define HOST_WIDEST_INT_PRINT_HEX "0x%llx"
 155 #  else
 156 #   define HOST_BITS_PER_WIDEST_INT HOST_BITS_PER_LONG
 157 #   define HOST_WIDEST_INT long
 158 #   define HOST_WIDEST_INT_PRINT_DEC "%ld"
 159 #   define HOST_WIDEST_INT_PRINT_DEC_SPACE "% *ld"
 160 #   define HOST_WIDEST_INT_PRINT_UNSIGNED "%lu"
 161 #   define HOST_WIDEST_INT_PRINT_UNSIGNED_SPACE "% *lu"
 162 #   define HOST_WIDEST_INT_PRINT_HEX "0x%lx"
 163 # endif /* long long wider than long */
 164 #endif /* ! HOST_WIDEST_INT */
 165
 166 #endif /* ! GCC_HWINT_H */