From a86573f4715e5f9638a8ae5e298203dbed7481b9 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 15 Mar 2004 21:44:11 +0000 Subject: * math/Makefile (headers): Add bits/huge_valf.h, bits/huge_vall.h, and bits/inf.h. * math/math.h: Include them. * sysdeps/alpha/fpu/bits/mathdef.h, sysdeps/arm/fpu/bits/mathdef.h, sysdeps/generic/bits/mathdef.h, sysdeps/i386/fpu/bits/mathdef.h, sysdeps/ia64/fpu/bits/mathdef.h, sysdeps/m68k/fpu/bits/mathdef.h, sysdeps/mips/fpu/bits/mathdef.h, sysdeps/powerpc/fpu/bits/mathdef.h, sysdeps/sh/sh4/fpu/bits/mathdef.h, sysdeps/sparc/fpu/bits/mathdef.h, sysdeps/x86_64/fpu/bits/mathdef.h: Remove INFINITY. * sysdeps/arm/bits/huge_val.h (HUGE_VAL): Use __builtin_huge_val. (HUGE_VALF, HUGE_VALL): Remove. * sysdeps/ieee754/bits/huge_val.h: Likewise. * sysdeps/sh/bits/huge_val.h: Likewise. * sysdeps/generic/bits/huge_val.h (HUGE_VAL): Use __builtin_huge_val. * sysdeps/generic/bits/huge_valf.h: New file. * sysdeps/generic/bits/huge_vall.h: New file. * sysdeps/generic/bits/inf.h: New file. * sysdeps/ieee754/bits/huge_valf.h: New file. * sysdeps/ieee754/bits/inf.h: New file. * sysdeps/i386/bits/huge_val.h: Remove file. * sysdeps/i386/bits/huge_vall.h: New file. * sysdeps/ia64/bits/huge_val.h: Remove file. * sysdeps/ia64/bits/huge_vall.h: New file. * sysdeps/ieee754/ldbl-128/bits/huge_vall.h: New file. * sysdeps/m68k/bits/huge_val.h: Remove file. * sysdeps/m68k/bits/huge_vall.h: New file. * sysdeps/s390/bits/huge_val.h: Remove file. * sysdeps/sh/sh4/fpu/bits/huge_val.h: Remove file. * sysdeps/sparc/bits/huge_vall.h: New file. * sysdeps/sparc/sparc32/fpu/bits/huge_val.h: Remove file. * sysdeps/sparc/sparc64/fpu/bits/huge_val.h: Remove file. * sysdeps/ieee754/bits/nan.h (NAN): Use __builtin_nanf. * sysdeps/mips/bits/nan.h (NAN): Likewise. 2004-03-15 Richard Henderson * math/Makefile (headers): Add bits/huge_valf.h, bits/huge_vall.h, and bits/inf.h. * math/math.h: Include them. * sysdeps/alpha/fpu/bits/mathdef.h, sysdeps/arm/fpu/bits/mathdef.h, sysdeps/generic/bits/mathdef.h, sysdeps/i386/fpu/bits/mathdef.h, sysdeps/ia64/fpu/bits/mathdef.h, sysdeps/m68k/fpu/bits/mathdef.h, sysdeps/mips/fpu/bits/mathdef.h, sysdeps/powerpc/fpu/bits/mathdef.h, sysdeps/sh/sh4/fpu/bits/mathdef.h, sysdeps/sparc/fpu/bits/mathdef.h, sysdeps/x86_64/fpu/bits/mathdef.h: Remove INFINITY. * sysdeps/arm/bits/huge_val.h (HUGE_VAL): Use __builtin_huge_val. (HUGE_VALF, HUGE_VALL): Remove. * sysdeps/ieee754/bits/huge_val.h: Likewise. * sysdeps/sh/bits/huge_val.h: Likewise. * sysdeps/generic/bits/huge_val.h (HUGE_VAL): Use __builtin_huge_val. * sysdeps/generic/bits/huge_valf.h: New file. * sysdeps/generic/bits/huge_vall.h: New file. * sysdeps/generic/bits/inf.h: New file. * sysdeps/ieee754/bits/huge_valf.h: New file. * sysdeps/ieee754/bits/inf.h: New file. * sysdeps/i386/bits/huge_val.h: Remove file. * sysdeps/i386/bits/huge_vall.h: New file. * sysdeps/ia64/bits/huge_val.h: Remove file. * sysdeps/ia64/bits/huge_vall.h: New file. * sysdeps/ieee754/ldbl-128/bits/huge_vall.h: New file. * sysdeps/m68k/bits/huge_val.h: Remove file. * sysdeps/m68k/bits/huge_vall.h: New file. * sysdeps/s390/bits/huge_val.h: Remove file. * sysdeps/sh/sh4/fpu/bits/huge_val.h: Remove file. * sysdeps/sparc/bits/huge_vall.h: New file. * sysdeps/sparc/sparc32/fpu/bits/huge_val.h: Remove file. * sysdeps/sparc/sparc64/fpu/bits/huge_val.h: Remove file. * sysdeps/ieee754/bits/nan.h (NAN): Use __builtin_nanf. * sysdeps/mips/bits/nan.h (NAN): Likewise. --- sysdeps/arm/bits/huge_val.h | 66 +++++++-------------------------------------- 1 file changed, 9 insertions(+), 57 deletions(-) (limited to 'sysdeps/arm/bits') diff --git a/sysdeps/arm/bits/huge_val.h b/sysdeps/arm/bits/huge_val.h index 625cdc5c37..3339a0d01c 100644 --- a/sysdeps/arm/bits/huge_val.h +++ b/sysdeps/arm/bits/huge_val.h @@ -1,7 +1,8 @@ -/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity). +/* `HUGE_VAL' constant for IEEE 754 machines (where it is infinity). Used by and functions for overflow. ARM version. - Copyright (C) 1992, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc. + Copyright (C) 1992, 95, 96, 97, 98, 99, 2000, 2004 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -23,25 +24,19 @@ # error "Never use directly; include instead." #endif -#include - /* IEEE positive infinity (-HUGE_VAL is negative infinity). */ -#ifdef __GNUC__ - -# if __GNUC_PREREQ(2,96) - -# define HUGE_VAL (__extension__ 0x1.0p2047) +#if __GNUC_PREREQ(3,3) +# define HUGE_VAL (__builtin_huge_val()) +#elif __GNUC_PREREQ(2,96) +# define HUGE_VAL (__extension__ 0x1.0p2047) +#elif defined __GNUC__ -# else - -# define HUGE_VAL \ +# define HUGE_VAL \ (__extension__ \ ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \ { __l: 0x000000007ff00000ULL }).__d) -# endif - #else /* not GCC */ # include @@ -59,46 +54,3 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes }; # define HUGE_VAL (__huge_val.__d) #endif /* GCC. */ - - -/* ISO C99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */ - -#ifdef __USE_ISOC99 - -# ifdef __GNUC__ - -# if __GNUC_PREREQ(2,96) - -# define HUGE_VALF (__extension__ 0x1.0p255f) - -# else - -# define HUGE_VALF \ - (__extension__ \ - ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \ - { __l: 0x7f800000UL }).__d) - -# endif - -# else /* not GCC */ - -typedef union { unsigned char __c[4]; float __f; } __huge_valf_t; - -# if __BYTE_ORDER == __BIG_ENDIAN -# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 } -# endif -# if __BYTE_ORDER == __LITTLE_ENDIAN -# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f } -# endif - -static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes }; -# define HUGE_VALF (__huge_valf.__f) - -# endif /* GCC. */ - - -/* Generally there is no separate `long double' format and it is the - same as `double'. */ -# define HUGE_VALL HUGE_VAL - -#endif /* __USE_ISOC99. */ -- cgit 1.4.1