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@@ -1,6 +1,8 @@
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-/* `HUGE_VAL' constants for blackfin (where it is infinity).
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+/* `HUGE_VAL' constant for IEEE 754 machines (where it is infinity).
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Used by <stdlib.h> and <math.h> functions for overflow.
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- Copyright (C) 1992, 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
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+ Blackfin version.
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+ Copyright (C) 1992, 95, 96, 97, 98, 99, 2000, 2004
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+ Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@@ -22,25 +24,19 @@
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# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
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#endif
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-#include <features.h>
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-
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/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
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-#ifdef __GNUC__
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-
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-# if __GNUC_PREREQ(2,96)
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-
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-# define HUGE_VAL (__extension__ 0x1.0p2047)
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+#if __GNUC_PREREQ(3,3)
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+# define HUGE_VAL (__builtin_huge_val())
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+#elif __GNUC_PREREQ(2,96)
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+# define HUGE_VAL (__extension__ 0x1.0p2047)
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+#elif defined __GNUC__
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-# else
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-
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-# define HUGE_VAL \
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+# define HUGE_VAL \
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(__extension__ \
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((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
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{ __l: 0x000000007ff00000ULL }).__d)
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-# endif
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-
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#else /* not GCC */
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# include <endian.h>
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@@ -58,46 +54,3 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
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# define HUGE_VAL (__huge_val.__d)
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#endif /* GCC. */
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-
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-
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-/* ISO C99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */
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-
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-#ifdef __USE_ISOC99
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-
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-# ifdef __GNUC__
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-
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-# if __GNUC_PREREQ(2,96)
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-
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-# define HUGE_VALF (__extension__ 0x1.0p255f)
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-
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-# else
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-
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-# define HUGE_VALF \
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- (__extension__ \
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- ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \
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- { __l: 0x7f800000UL }).__d)
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-
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-# endif
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-
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-# else /* not GCC */
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-
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-typedef union { unsigned char __c[4]; float __f; } __huge_valf_t;
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-
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-# if __BYTE_ORDER == __BIG_ENDIAN
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-# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
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-# endif
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-# if __BYTE_ORDER == __LITTLE_ENDIAN
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-# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f }
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-# endif
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-
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-static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
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-# define HUGE_VALF (__huge_valf.__f)
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-
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-# endif /* GCC. */
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-
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-
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-/* Generally there is no separate `long double' format and it is the
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- same as `double'. */
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-# define HUGE_VALL HUGE_VAL
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-
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-#endif /* __USE_ISOC99. */
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Mike Frysinger