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 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 #ifndef HOST_BITS_PER_WIDE_INT
  19
  20 # if HOST_BITS_PER_LONG > HOST_BITS_PER_INT
  21 #  define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_LONG
  22 #  define HOST_WIDE_INT long
  23 # else
  24 #  define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_INT
  25 #  define HOST_WIDE_INT int
  26 # endif
  27
  28 #endif /* ! HOST_BITS_PER_WIDE_INT */
  29
  30
  31 /* Provide defaults for the way to print a HOST_WIDE_INT
  32    in various manners.  */
  33
  34 #ifndef HOST_WIDE_INT_PRINT_DEC
  35 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
  36 #  define HOST_WIDE_INT_PRINT_DEC "%d"
  37 # else
  38 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
  39 #   define HOST_WIDE_INT_PRINT_DEC "%ld"
  40 #  else
  41 #   define HOST_WIDE_INT_PRINT_DEC "%lld"
  42 #  endif
  43 # endif
  44 #endif /* ! HOST_WIDE_INT_PRINT_DEC */
  45
  46 #ifndef HOST_WIDE_INT_PRINT_UNSIGNED
  47 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
  48 #  define HOST_WIDE_INT_PRINT_UNSIGNED "%u"
  49 # else
  50 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
  51 #   define HOST_WIDE_INT_PRINT_UNSIGNED "%lu"
  52 #  else
  53 #   define HOST_WIDE_INT_PRINT_UNSIGNED "%llu"
  54 #  endif
  55 # endif
  56 #endif /* ! HOST_WIDE_INT_PRINT_UNSIGNED */
  57
  58 #ifndef HOST_WIDE_INT_PRINT_HEX
  59 # if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
  60 #  define HOST_WIDE_INT_PRINT_HEX "0x%x"
  61 # else
  62 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
  63 #   define HOST_WIDE_INT_PRINT_HEX "0x%lx"
  64 #  else
  65 #   define HOST_WIDE_INT_PRINT_HEX "0x%llx"
  66 #  endif
  67 # endif
  68 #endif /* ! HOST_WIDE_INT_PRINT_HEX */
  69
  70 #ifndef HOST_WIDE_INT_PRINT_DOUBLE_HEX
  71 # if HOST_BITS_PER_WIDE_INT == 64
  72 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
  73 #   define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%x%016x"
  74 #  else
  75 #   if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
  76 #    define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%lx%016lx"
  77 #   else
  78 #    define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%llx%016llx"
  79 #   endif
  80 #  endif
  81 # else
  82 #  if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_INT
  83 #   define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%x%08x"
  84 #  else
  85 #   if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
  86 #    define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%lx%08lx"
  87 #   else
  88 #    define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%llx%08llx"
  89 #   endif
  90 #  endif
  91 # endif
  92 #endif /* ! HOST_WIDE_INT_PRINT_DOUBLE_HEX */
  93
  94 #endif /* HOST_BITS_PER_LONG && HOST_BITS_PER_INT */
  95
  96 #endif /* __HWINT_H__ */