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author | Ulrich Drepper <drepper@redhat.com> | 2000-06-12 22:13:56 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2000-06-12 22:13:56 +0000 |
commit | 30010c63998925c94234aea9aeee67bdb6d04e37 (patch) | |
tree | d0a3123785a7f826cdae5521e56a27c6bf329a62 /sysdeps/sh/sh4/fpu | |
parent | 3846ef75cf3309e2e8264c81fb510cdd54bee4fd (diff) | |
download | glibc-30010c63998925c94234aea9aeee67bdb6d04e37.tar glibc-30010c63998925c94234aea9aeee67bdb6d04e37.tar.gz glibc-30010c63998925c94234aea9aeee67bdb6d04e37.tar.bz2 glibc-30010c63998925c94234aea9aeee67bdb6d04e37.zip |
Update.
2000-06-12 Jes Sorensen <jes@linuxcare.com>
* sysdeps/unix/sysv/linux/ia64/kernel_stat.h: New file.
* sysdeps/unix/sysv/linux/ia64/xstatconv.c: New file.
* sysdeps/unix/sysv/linux/ia64/bits/stat.h: New file.
* sysdeps/unix/sysv/linux/ia64/fxstat64.c: New file.
* sysdeps/unix/sysv/linux/ia64/lxstat64.c: New file.
* sysdeps/unix/sysv/linux/ia64/xstat64.c: New file.
Diffstat (limited to 'sysdeps/sh/sh4/fpu')
-rw-r--r-- | sysdeps/sh/sh4/fpu/bits/fenv.h | 72 | ||||
-rw-r--r-- | sysdeps/sh/sh4/fpu/bits/huge_val.h | 105 | ||||
-rw-r--r-- | sysdeps/sh/sh4/fpu/bits/mathdef.h | 90 |
3 files changed, 267 insertions, 0 deletions
diff --git a/sysdeps/sh/sh4/fpu/bits/fenv.h b/sysdeps/sh/sh4/fpu/bits/fenv.h new file mode 100644 index 0000000000..c309cf0e0b --- /dev/null +++ b/sysdeps/sh/sh4/fpu/bits/fenv.h @@ -0,0 +1,72 @@ +/* Copyright (C) 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _FENV_H +# error "Never use <bits/fenv.h> directly; include <fenv.h> instead." +#endif + + +/* Define bits representing the exception. We use the bit positions + of the appropriate bits in the FPU control word. */ +enum + { + FE_INEXACT = 0x04, +#define FE_INEXACT FE_INEXACT + FE_UNDERFLOW = 0x08, +#define FE_UNDERFLOW FE_UNDERFLOW + FE_OVERFLOW = 0x10, +#define FE_OVERFLOW FE_OVERFLOW + FE_DIVBYZERO = 0x20, +#define FE_DIVBYZERO FE_DIVBYZERO + FE_INVALID = 0x40, +#define FE_INVALID FE_INVALID + }; + +#define FE_ALL_EXCEPT \ + (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID) + +/* The SH FPU supports all of the four defined rounding modes. We + use again the bit positions in the FPU control word as the values + for the appropriate macros. */ +enum + { + FE_TONEAREST = 0x0, +#define FE_TONEAREST FE_TONEAREST + FE_TOWARDZERO = 0x1, +#define FE_TOWARDZERO FE_TOWARDZERO + FE_UPWARD = 0x2, +#define FE_UPWARD FE_UPWARD + FE_DOWNWARD = 0x3 +#define FE_DOWNWARD FE_DOWNWARD + }; + + +/* Type representing exception flags. */ +typedef unsigned short int fexcept_t; + + +/* Type representing floating-point environment. This function corresponds + to the layout of the block written by the `fstenv'. */ +typedef struct + { + unsigned int __fpscr; + } +fenv_t; + +/* If the default argument is used we use this value. */ +#define FE_DFL_ENV ((fenv_t *) -1) diff --git a/sysdeps/sh/sh4/fpu/bits/huge_val.h b/sysdeps/sh/sh4/fpu/bits/huge_val.h new file mode 100644 index 0000000000..d404ddf87a --- /dev/null +++ b/sysdeps/sh/sh4/fpu/bits/huge_val.h @@ -0,0 +1,105 @@ +/* `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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. 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 new file mode 100644 index 0000000000..577a596843 --- /dev/null +++ b/sysdeps/sh/sh4/fpu/bits/mathdef.h @@ -0,0 +1,90 @@ +/* Copyright (C) 1997, 1998, 1999 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#if !defined _MATH_H && !defined _COMPLEX_H +# error "Never use <bits/mathdef.h> directly; include <math.h> instead" +#endif + + +/* FIXME! This file describes properties of the compiler, not the machine; + it should not be part of libc! + + FIXME! This file does not deal with the -fshort-double option of + gcc! */ + +#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF +# define _MATH_H_MATHDEF 1 + +# ifdef __GNUC__ +# if __STDC__ == 1 + +/* In GNU or ANSI mode, gcc leaves `float' expressions as-is. */ +typedef float float_t; /* `float' expressions are evaluated as + `float'. */ +typedef double double_t; /* `double' expressions are evaluated as + `double'. */ + +/* Signal that types stay as they were declared. */ +# define FLT_EVAL_METHOD 0 + +/* Define `INFINITY' as value of type `float'. */ +# define INFINITY HUGE_VALF + +# else + +/* For `gcc -traditional', `float' expressions are evaluated as `double'. */ +typedef double float_t; /* `float' expressions are evaluated as + `double'. */ +typedef double double_t; /* `double' expressions are evaluated as + `double'. */ + +/* Signal that both types are `double'. */ +# define FLT_EVAL_METHOD 1 + +/* Define `INFINITY' as value of type `float'. */ +# define INFINITY HUGE_VALF + +# endif +# else + +/* Wild guess at types for float_t and double_t. */ +typedef double float_t; +typedef double double_t; + +/* Strange compiler, we don't know how it works. */ +# define FLT_EVAL_METHOD -1 + +/* Define `INFINITY' as value of type `float'. */ +# define INFINITY HUGE_VALF + +# endif + +/* The values returned by `ilogb' for 0 and NaN respectively. */ +# define FP_ILOGB0 0x80000001 +# define FP_ILOGBNAN 0x7fffffff + +/* Number of decimal digits for the `double' type. */ +# define DECIMAL_DIG 15 + +#endif /* ISO C99 */ + +#ifndef __NO_LONG_DOUBLE_MATH +/* Signal that we do not really have a `long double'. The disables the + declaration of all the `long double' function variants. */ +# define __NO_LONG_DOUBLE_MATH 1 +#endif |