diff gcc/hwint.h @ 0:a06113de4d67

first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
parents
children 77e2b8dfacca
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/hwint.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,150 @@
+/* HOST_WIDE_INT definitions for the GNU compiler.
+   Copyright (C) 1998, 2002, 2004, 2008 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
+   autodetect 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 wanted 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 */