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Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/hwint.h')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/hwint.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/hwint.h b/gcc-4.2.1-5666.3/gcc/hwint.h new file mode 100644 index 000000000..9b28a3ada --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/hwint.h @@ -0,0 +1,150 @@ +/* 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) + +/* The string that should be inserted into a printf style format to + indicate a "long long" operand. */ +#ifndef HOST_LONG_LONG_FORMAT +#define HOST_LONG_LONG_FORMAT "ll" +#endif + +/* 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 HOST_LONG_LONG_FORMAT +# 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%" HOST_LONG_LONG_FORMAT "x%016" HOST_LONG_LONG_FORMAT "x" +#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 "%" HOST_LONG_LONG_FORMAT "d" +# define HOST_WIDEST_INT_PRINT_DEC_C "%" HOST_LONG_LONG_FORMAT "dLL" +# define HOST_WIDEST_INT_PRINT_UNSIGNED "%" HOST_LONG_LONG_FORMAT "u" +# define HOST_WIDEST_INT_PRINT_HEX "0x%" HOST_LONG_LONG_FORMAT "x" +# define HOST_WIDEST_INT_PRINT_DOUBLE_HEX \ + "0x%" HOST_LONG_LONG_FORMAT "x%016" HOST_LONG_LONG_FORMAT "x" +#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 */ |