diff options
Diffstat (limited to 'sysdeps/sh')
| -rw-r--r-- | sysdeps/sh/bits/huge_val.h | 62 | ||||
| -rw-r--r-- | sysdeps/sh/sh4/fpu/bits/huge_val.h | 105 | ||||
| -rw-r--r-- | sysdeps/sh/sh4/fpu/bits/mathdef.h | 11 |
3 files changed, 8 insertions, 170 deletions
diff --git a/sysdeps/sh/bits/huge_val.h b/sysdeps/sh/bits/huge_val.h index e476d796b1..732b065036 100644 --- a/sysdeps/sh/bits/huge_val.h +++ b/sysdeps/sh/bits/huge_val.h @@ -1,7 +1,8 @@ /* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity). Used by <stdlib.h> and <math.h> functions for overflow. SH 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 <bits/huge_val.h> directly; include <math.h> instead." #endif -#include <features.h> - /* IEEE positive infinity (-HUGE_VAL is negative infinity). */ -#ifdef __GNUC__ - -# if __GNUC_PREREQ(2,96) - -# define HUGE_VAL (__extension__ 0x1.0p2047) - -# else +#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__ # define HUGE_VAL \ (__extension__ \ ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \ { __l: 0x000000007ff00000ULL }).__d) -# endif - #else /* not GCC */ # include <endian.h> @@ -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. */ diff --git a/sysdeps/sh/sh4/fpu/bits/huge_val.h b/sysdeps/sh/sh4/fpu/bits/huge_val.h deleted file mode 100644 index 78d316ddef..0000000000 --- a/sysdeps/sh/sh4/fpu/bits/huge_val.h +++ /dev/null @@ -1,105 +0,0 @@ -/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity). - Used by <stdlib.h> and <math.h> functions for overflow. - SH version. - Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000 - 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 - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#ifndef _MATH_H -# error "Never use <bits/huge_val.h> directly; include <math.h> instead." -#endif - -#include <features.h> - -/* IEEE positive infinity (-HUGE_VAL is negative infinity). */ - -#ifdef __GNUC__ - -# if __GNUC_PREREQ(2,95) - -# define HUGE_VAL (0x1.0p2047) - -# else - -# define HUGE_VAL \ - (__extension__ \ - ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \ - { __l: 0x000000007ff00000ULL }).__d) - -# endif - -#else /* not GCC */ - -# include <endian.h> - -typedef union { unsigned char __c[8]; double __d; } __huge_val_t; - -# if __BYTE_ORDER == __BIG_ENDIAN -# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0x7f, 0xf0, 0, 0 } -# endif -# if __BYTE_ORDER == __LITTLE_ENDIAN -# define __HUGE_VAL_bytes { 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 } -# endif - -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(2,95) - -# define HUGE_VALF (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. */ diff --git a/sysdeps/sh/sh4/fpu/bits/mathdef.h b/sysdeps/sh/sh4/fpu/bits/mathdef.h index 64cc79bc25..2b8caf1943 100644 --- a/sysdeps/sh/sh4/fpu/bits/mathdef.h +++ b/sysdeps/sh/sh4/fpu/bits/mathdef.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998, 1999, 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 @@ -39,9 +39,6 @@ typedef float float_t; /* `float' expressions are evaluated as typedef double double_t; /* `double' expressions are evaluated as `double'. */ -/* Define `INFINITY' as value of type `float'. */ -# define INFINITY HUGE_VALF - # else /* For `gcc -traditional', `float' expressions are evaluated as `double'. */ @@ -50,9 +47,6 @@ typedef double float_t; /* `float' expressions are evaluated as typedef double double_t; /* `double' expressions are evaluated as `double'. */ -/* Define `INFINITY' as value of type `float'. */ -# define INFINITY HUGE_VALF - # endif # else @@ -60,9 +54,6 @@ typedef double double_t; /* `double' expressions are evaluated as typedef double float_t; typedef double double_t; -/* Define `INFINITY' as value of type `float'. */ -# define INFINITY HUGE_VALF - # endif /* The values returned by `ilogb' for 0 and NaN respectively. */ |