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/* HOST_WIDE_INT definitions for the GNU compiler.
Copyright (C) 1998, 2002, 2004 Free Software Foundation, Inc.
This file is part of GCC.
Provide definitions for macros which depend on HOST_BITS_PER_INT
and HOST_BITS_PER_LONG. */
#ifndef GCC_HWINT_H
#define GCC_HWINT_H
/* This describes the machine the compiler is hosted on. */
#define HOST_BITS_PER_CHAR CHAR_BIT
#define HOST_BITS_PER_SHORT (CHAR_BIT * SIZEOF_SHORT)
#define HOST_BITS_PER_INT (CHAR_BIT * SIZEOF_INT)
#define HOST_BITS_PER_LONG (CHAR_BIT * SIZEOF_LONG)
/* If HAVE_LONG_LONG and SIZEOF_LONG_LONG aren't defined, but
GCC_VERSION >= 3000, assume this is the second or later stage of a
bootstrap, we do have long long, and it's 64 bits. (This is
required by C99; we do have some ports that violate that assumption
but they're all cross-compile-only.) Just in case, force a
constraint violation if that assumption is incorrect. */
#if !defined HAVE_LONG_LONG
# if GCC_VERSION >= 3000
# define HAVE_LONG_LONG 1
# define SIZEOF_LONG_LONG 8
extern char sizeof_long_long_must_be_8[sizeof(long long) == 8 ? 1 : -1];
# endif
#endif
#ifdef HAVE_LONG_LONG
# define HOST_BITS_PER_LONGLONG (CHAR_BIT * SIZEOF_LONG_LONG)
#endif
#ifdef HAVE___INT64
# define HOST_BITS_PER___INT64 (CHAR_BIT * SIZEOF___INT64)
#endif
/* Set HOST_WIDE_INT. This should be the widest efficient host
integer type. It can be 32 or 64 bits, except that if we are
targeting a machine with 64-bit size_t then it has to be 64 bits.
With a sane ABI, 'long' is the largest efficient host integer type.
Thus, we use that unless we have to use 'long long' or '__int64'
because we're targeting a 64-bit machine from a 32-bit host. */
#if HOST_BITS_PER_LONG >= 64 || !defined NEED_64BIT_HOST_WIDE_INT
# define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_LONG
# define HOST_WIDE_INT long
#else
# if HOST_BITS_PER_LONGLONG >= 64
# define HOST_BITS_PER_WIDE_INT HOST_BITS_PER_LONGLONG
# define HOST_WIDE_INT long long
# else
# if HOST_BITS_PER___INT64 >= 64
# define HOST_BITS_PER_WIDE_INT HOST_BITS_PER___INT64
# define HOST_WIDE_INT __int64
# else
#error "Unable to find a suitable type for HOST_WIDE_INT"
# endif
# endif
#endif
/* Various printf format strings for HOST_WIDE_INT. */
#if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
# define HOST_WIDE_INT_PRINT "l"
# define HOST_WIDE_INT_PRINT_C "L"
/* 'long' might be 32 or 64 bits, and the number of leading zeroes
must be tweaked accordingly. */
# if HOST_BITS_PER_WIDE_INT == 64
# define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%lx%016lx"
# else
# define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%lx%08lx"
# endif
#else
# define HOST_WIDE_INT_PRINT "ll"
# define HOST_WIDE_INT_PRINT_C "LL"
/* We can assume that 'long long' is at least 64 bits. */
# define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%llx%016llx"
#endif /* HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG */
#define HOST_WIDE_INT_PRINT_DEC "%" HOST_WIDE_INT_PRINT "d"
#define HOST_WIDE_INT_PRINT_DEC_C HOST_WIDE_INT_PRINT_DEC HOST_WIDE_INT_PRINT_C
#define HOST_WIDE_INT_PRINT_UNSIGNED "%" HOST_WIDE_INT_PRINT "u"
#define HOST_WIDE_INT_PRINT_HEX "0x%" HOST_WIDE_INT_PRINT "x"
/* Set HOST_WIDEST_INT. This is a 64-bit type unless the compiler
in use has no 64-bit type at all; in that case it's 32 bits. */
#if HOST_BITS_PER_WIDE_INT >= 64 \
|| (HOST_BITS_PER_LONGLONG < 64 && HOST_BITS_PER___INT64 < 64)
# define HOST_WIDEST_INT HOST_WIDE_INT
# define HOST_BITS_PER_WIDEST_INT HOST_BITS_PER_WIDE_INT
# define HOST_WIDEST_INT_PRINT_DEC HOST_WIDE_INT_PRINT_DEC
# define HOST_WIDEST_INT_PRINT_DEC_C HOST_WIDE_INT_PRINT_DEC_C
# define HOST_WIDEST_INT_PRINT_UNSIGNED HOST_WIDE_INT_PRINT_UNSIGNED
# define HOST_WIDEST_INT_PRINT_HEX HOST_WIDE_INT_PRINT_HEX
# define HOST_WIDEST_INT_PRINT_DOUBLE_HEX HOST_WIDE_INT_PRINT_DOUBLE_HEX
#else
# if HOST_BITS_PER_LONGLONG >= 64
# define HOST_BITS_PER_WIDEST_INT HOST_BITS_PER_LONGLONG
# define HOST_WIDEST_INT long long
# else
# if HOST_BITS_PER___INT64 >= 64
# define HOST_BITS_PER_WIDEST_INT HOST_BITS_PER___INT64
# define HOST_WIDEST_INT __int64
# else
#error "This line should be impossible to reach"
# endif
# endif
# define HOST_WIDEST_INT_PRINT_DEC "%lld"
# define HOST_WIDEST_INT_PRINT_DEC_C "%lldLL"
# define HOST_WIDEST_INT_PRINT_UNSIGNED "%llu"
# define HOST_WIDEST_INT_PRINT_HEX "0x%llx"
# define HOST_WIDEST_INT_PRINT_DOUBLE_HEX "0x%llx%016llx"
#endif
/* Define HOST_WIDEST_FAST_INT to the widest integer type supported
efficiently in hardware. (That is, the widest integer type that fits
in a hardware register.) Normally this is "long" but on some hosts it
should be "long long" or "__int64". This is no convenient way to
autodect this, so such systems must set a flag in config.host; see there
for details. */
#ifdef USE_LONG_LONG_FOR_WIDEST_FAST_INT
# ifdef HAVE_LONG_LONG
# define HOST_WIDEST_FAST_INT long long
# define HOST_BITS_PER_WIDEST_FAST_INT HOST_BITS_PER_LONGLONG
# elif defined (HAVE___INT64)
# define HOST_WIDEST_FAST_INT __int64
# define HOST_BITS_PER_WIDEST_FAST_INT HOST_BITS_PER___INT64
# else
# error "Your host said it wantted to use long long or __int64 but neither"
# error "exist"
# endif
#else
# define HOST_WIDEST_FAST_INT long
# define HOST_BITS_PER_WIDEST_FAST_INT HOST_BITS_PER_LONG
#endif
#endif /* ! GCC_HWINT_H */
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