gcc/hwint.h

   1 /* HOST_WIDE_INT definitions for the GNU compiler.
   2    Copyright (C) 1998, 2001 Free Software Foundation, Inc.
   3
   4    This file is part of GNU CC.
   5
   6    Provide definitions for macros which depend on HOST_BITS_PER_INT
   7    and HOST_BITS_PER_LONG. */
   8
   9 #ifndef __HWINT_H__
  10 #define __HWINT_H__
  11
  12 /* Only do all of this if both of these macros are defined, otherwise
  13    they'll evaluate to zero, which is not what you want. */
  14 #if defined (HOST_BITS_PER_LONG) && defined (HOST_BITS_PER_INT)
  15
  16 /* Find the largest host integer type and set its size and type.  */
  17
  18 /* Use long long on the host if the target has a wider long type than
  19    the host.  */
  20
  21 #if ! defined HOST_BITS_PER_WIDE_INT \
  22     && defined HOST_BITS_PER_LONGLONG \
  23     && (HOST_BITS_PER_LONGLONG > HOST_BITS_PER_LONG) \
  24     && (defined (LONG_LONG_MAX) || defined (LONGLONG_MAX) \
  25         || defined (LLONG_MAX) || defined (__GNUC__))
  26
  27 # ifdef MAX_LONG_TYPE_SIZE
  28 #  if MAX_LONG_TYPE_SIZE > HOST_BITS_PER_LONG
  29 #   define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_LONGLONG
  30 #   define HOST_WIDE_INT long long
  31 #  endif
  32 # else
  33 #  if LONG_TYPE_SIZE > HOST_BITS_PER_LONG
  34 #   define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_LONGLONG
  35 #   define HOST_WIDE_INT long long
  36 #  endif
  37 # endif
  38
  39 #endif
  40
  41 #ifndef HOST_BITS_PER_WIDE_INT
  42
  43 # if HOST_BITS_PER_LONG > HOST_BITS_PER_INT
  44 #  define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_LONG
  45 #  define HOST_WIDE_INT long
  46 # else
  47 #  define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_INT
  48 #  define HOST_WIDE_INT int
  49 # endif
  50
  51 #endif /* ! HOST_BITS_PER_WIDE_INT */
  52
  53
  54 /* Provide defaults for the way to print a HOST_WIDE_INT
  55    in various manners.  */
  56
  57 #ifndef HOST_WIDE_INT_PRINT_DEC
  58 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
  59 #  define HOST_WIDE_INT_PRINT_DEC "%d"
  60 # else
  61 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
  62 #   define HOST_WIDE_INT_PRINT_DEC "%ld"
  63 #  else
  64 #   define HOST_WIDE_INT_PRINT_DEC "%lld"
  65 #  endif
  66 # endif
  67 #endif /* ! HOST_WIDE_INT_PRINT_DEC */
  68
  69 #ifndef HOST_WIDE_INT_PRINT_UNSIGNED
  70 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
  71 #  define HOST_WIDE_INT_PRINT_UNSIGNED "%u"
  72 # else
  73 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
  74 #   define HOST_WIDE_INT_PRINT_UNSIGNED "%lu"
  75 #  else
  76 #   define HOST_WIDE_INT_PRINT_UNSIGNED "%llu"
  77 #  endif
  78 # endif
  79 #endif /* ! HOST_WIDE_INT_PRINT_UNSIGNED */
  80
  81 #ifndef HOST_WIDE_INT_PRINT_HEX
  82 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
  83 #  define HOST_WIDE_INT_PRINT_HEX "0x%x"
  84 # else
  85 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
  86 #   define HOST_WIDE_INT_PRINT_HEX "0x%lx"
  87 #  else
  88 #   define HOST_WIDE_INT_PRINT_HEX "0x%llx"
  89 #  endif
  90 # endif
  91 #endif /* ! HOST_WIDE_INT_PRINT_HEX */
  92
  93 #ifndef HOST_WIDE_INT_PRINT_DOUBLE_HEX
  94 # if HOST_BITS_PER_WIDE_INT == 64
  95 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
  96 #   define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%x%016x"
  97 #  else
  98 #   if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
  99 #    define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%lx%016lx"
 100 #   else
 101 #    define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%llx%016llx"
 102 #   endif
 103 #  endif
 104 # else
 105 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
 106 #   define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%x%08x"
 107 #  else
 108 #   if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
 109 #    define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%lx%08lx"
 110 #   else
 111 #    define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%llx%08llx"
 112 #   endif
 113 #  endif
 114 # endif
 115 #endif /* ! HOST_WIDE_INT_PRINT_DOUBLE_HEX */
 116
 117 #endif /* HOST_BITS_PER_LONG && HOST_BITS_PER_INT */
 118
 119 #endif /* __HWINT_H__ */