diff options
Diffstat (limited to 'sysdeps/powerpc/bits')
| -rw-r--r-- | sysdeps/powerpc/bits/fenv.h | 178 | ||||
| -rw-r--r-- | sysdeps/powerpc/bits/mathdef.h | 88 | ||||
| -rw-r--r-- | sysdeps/powerpc/bits/mathinline.h | 88 |
3 files changed, 0 insertions, 354 deletions
diff --git a/sysdeps/powerpc/bits/fenv.h b/sysdeps/powerpc/bits/fenv.h deleted file mode 100644 index f86d02d014..0000000000 --- a/sysdeps/powerpc/bits/fenv.h +++ /dev/null @@ -1,178 +0,0 @@ -/* Copyright (C) 1997, 1998 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 FPSCR... */ -enum - { - FE_INEXACT = 1 << (31 - 6), -#define FE_INEXACT FE_INEXACT - FE_DIVBYZERO = 1 << (31 - 5), -#define FE_DIVBYZERO FE_DIVBYZERO - FE_UNDERFLOW = 1 << (31 - 4), -#define FE_UNDERFLOW FE_UNDERFLOW - FE_OVERFLOW = 1 << (31 - 3), -#define FE_OVERFLOW FE_OVERFLOW - - /* ... except for FE_INVALID, for which we use bit 31. FE_INVALID - actually corresponds to bits 7 through 12 and 21 through 23 - in the FPSCR, but we can't use that because the current draft - says that it must be a power of 2. Instead we use bit 2 which - is the summary bit for all the FE_INVALID exceptions, which - kind of makes sense. */ - FE_INVALID = 1 << (31 - 2), -#define FE_INVALID FE_INVALID - -#ifdef __USE_GNU - /* Breakdown of the FE_INVALID bits. Setting FE_INVALID on an - input to a routine is equivalent to setting all of these bits; - FE_INVALID will be set on output from a routine iff one of - these bits is set. Note, though, that you can't disable or - enable these exceptions individually. */ - - /* Operation with SNaN. */ - FE_INVALID_SNAN = 1 << (31 - 7), -# define FE_INVALID_SNAN FE_INVALID_SNAN - - /* Inf - Inf */ - FE_INVALID_ISI = 1 << (31 - 8), -# define FE_INVALID_ISI FE_INVALID_ISI - - /* Inf / Inf */ - FE_INVALID_IDI = 1 << (31 - 9), -# define FE_INVALID_IDI FE_INVALID_IDI - - /* 0 / 0 */ - FE_INVALID_ZDZ = 1 << (31 - 10), -# define FE_INVALID_ZDZ FE_INVALID_ZDZ - - /* Inf * 0 */ - FE_INVALID_IMZ = 1 << (31 - 11), -# define FE_INVALID_IMZ FE_INVALID_IMZ - - /* Comparison with NaN or SNaN. */ - FE_INVALID_COMPARE = 1 << (31 - 12), -# define FE_INVALID_COMPARE FE_INVALID_COMPARE - - /* Invalid operation flag for software (not set by hardware). */ - /* Note that some chips don't have this implemented, presumably - because no-one expected anyone to write software for them %-). */ - FE_INVALID_SOFTWARE = 1 << (31 - 21), -# define FE_INVALID_SOFTWARE FE_INVALID_SOFTWARE - - /* Square root of negative number (including -Inf). */ - /* Note that some chips don't have this implemented. */ - FE_INVALID_SQRT = 1 << (31 - 22), -# define FE_INVALID_SQRT FE_INVALID_SQRT - - /* Conversion-to-integer of a NaN or a number too large or too small. */ - FE_INVALID_INTEGER_CONVERSION = 1 << (31 - 23), -# define FE_INVALID_INTEGER_CONVERSION FE_INVALID_INTEGER_CONVERSION - -# define FE_ALL_INVALID \ - (FE_INVALID_SNAN | FE_INVALID_ISI | FE_INVALID_IDI | FE_INVALID_ZDZ \ - | FE_INVALID_IMZ | FE_INVALID_COMPARE | FE_INVALID_SOFTWARE \ - | FE_INVALID_SQRT | FE_INVALID_INTEGER_CONVERSION) -#endif - }; - -#define FE_ALL_EXCEPT \ - (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID) - -/* PowerPC chips support all of the four defined rounding modes. We - use the bit pattern in the FPSCR as the values for the - appropriate macros. */ -enum - { - FE_TONEAREST = 0, -#define FE_TONEAREST FE_TONEAREST - FE_TOWARDZERO = 1, -#define FE_TOWARDZERO FE_TOWARDZERO - FE_UPWARD = 2, -#define FE_UPWARD FE_UPWARD - FE_DOWNWARD = 3, -#define FE_DOWNWARD FE_DOWNWARD - }; - -/* Type representing exception flags. */ -typedef unsigned int fexcept_t; - -/* Type representing floating-point environment. We leave it as 'double' - for efficiency reasons (rather than writing it to a 32-bit integer). */ -typedef double fenv_t; - -/* If the default argument is used we use this value. */ -extern const fenv_t __fe_dfl_env; -#define FE_DFL_ENV (&__fe_dfl_env) - -#ifdef __USE_GNU -/* Floating-point environment where all exceptions are enabled. Note that - this is not sufficient to give you SIGFPE. */ -extern const fenv_t __fe_enabled_env; -# define FE_ENABLED_ENV (&__fe_enabled_env) - -/* Floating-point environment with (processor-dependent) non-IEEE floating - point. */ -extern const fenv_t __fe_nonieee_env; -# define FE_NONIEEE_ENV (&__fe_nonieee_env) - -/* Floating-point environment with all exceptions enabled. Note that - just evaluating this value will set the processor into 'FPU - exceptions imprecise recoverable' mode, which may cause a significant - performance penalty (but have no other visible effect). */ -extern const fenv_t *__fe_nomask_env __P ((void)); -# define FE_NOMASK_ENV (__fe_nomask_env ()) -#endif - -#if defined __OPTIMIZE__ && !defined _SOFT_FLOAT -/* Inline definition for fegetround. */ -# define fegetround() \ - (__extension__ ({ int __fegetround_result; \ - __asm__ ("mcrfs 7,7 ; mfcr %0" \ - : "=r"(__fegetround_result) : : "cr7"); \ - __fegetround_result & 3; })) - -/* Inline definition for feraiseexcept. */ -# define feraiseexcept(__excepts) \ - (__extension__ ({ if (__builtin_constant_p (__excepts) \ - && ((__excepts) & -(__excepts)) == 0 \ - && (__excepts) != FE_INVALID) { \ - if ((__excepts) != 0) \ - __asm__ __volatile__ \ - ("mtfsb1 %0" \ - : : "i"(32 - __builtin_ffs (__excepts))); \ - } else \ - (feraiseexcept) (__excepts); })) - -/* Inline definition for feclearexcept. */ -# define feclearexcept(__excepts) \ - (__extension__ ({ if (__builtin_constant_p (__excepts) \ - && ((__excepts) & -(__excepts)) == 0 \ - && (__excepts) != FE_INVALID) { \ - if ((__excepts) != 0) \ - __asm__ __volatile__ \ - ("mtfsb0 %0" \ - : : "i"(32 - __builtin_ffs (__excepts))); \ - } else \ - (feclearexcept) (__excepts); })) -#endif /* __OPTIMIZE__ && !_SOFT_FLOAT */ diff --git a/sysdeps/powerpc/bits/mathdef.h b/sysdeps/powerpc/bits/mathdef.h deleted file mode 100644 index 71378c8458..0000000000 --- a/sysdeps/powerpc/bits/mathdef.h +++ /dev/null @@ -1,88 +0,0 @@ -/* 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 -# 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 diff --git a/sysdeps/powerpc/bits/mathinline.h b/sysdeps/powerpc/bits/mathinline.h deleted file mode 100644 index 7798ad3467..0000000000 --- a/sysdeps/powerpc/bits/mathinline.h +++ /dev/null @@ -1,88 +0,0 @@ -/* Inline math functions for powerpc. - Copyright (C) 1995, 1996, 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 __GNUC__ && !defined _SOFT_FLOAT - -#ifdef __USE_ISOC99 -# define __unordered_cmp(x, y) \ - (__extension__ \ - ({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \ - unsigned __r; \ - __asm__("fcmpu 7,%1,%2 ; mfcr %0" : "=r" (__r) : "f" (__x), "f"(__y) \ - : "cr7"); \ - __r; })) - -# define isgreater(x, y) (__unordered_cmp (x, y) >> 2 & 1) -# define isgreaterequal(x, y) ((__unordered_cmp (x, y) & 6) != 0) -# define isless(x, y) (__unordered_cmp (x, y) >> 3 & 1) -# define islessequal(x, y) ((__unordered_cmp (x, y) & 0xA) != 0) -# define islessgreater(x, y) ((__unordered_cmp (x, y) & 0xC) != 0) -# define isunordered(x, y) (__unordered_cmp (x, y) & 1) -#endif /* __USE_ISOC99 && !_SOFT_FLOAT */ - -#if !defined __NO_MATH_INLINES && defined __OPTIMIZE__ - -#ifdef __cplusplus -# define __MATH_INLINE __inline -#else -# define __MATH_INLINE extern __inline -#endif /* __cplusplus */ - -#ifdef __USE_ISOC99 -__MATH_INLINE long int lrint (double __x); -__MATH_INLINE long int -lrint (double __x) -{ - union { - double __d; - long int __ll[2]; - } __u; - __asm__ ("fctiw %0,%1" : "=f"(__u.__d) : "f"(__x)); - return __u.__ll[1]; -} - -__MATH_INLINE long int lrintf (float __x); -__MATH_INLINE long int -lrintf (float __x) -{ - union { - double __d; - long int __ll[2]; - } __u; - __asm__ ("fctiw %0,%1" : "=f"(__u.__d) : "f"(__x)); - return __u.__ll[1]; -} - -__MATH_INLINE double fdim (double __x, double __y); -__MATH_INLINE double -fdim (double __x, double __y) -{ - return __x < __y ? 0 : __x - __y; -} - -__MATH_INLINE float fdimf (float __x, float __y); -__MATH_INLINE float -fdimf (float __x, float __y) -{ - return __x < __y ? 0 : __x - __y; -} - -#endif /* __USE_ISOC99 */ -#endif /* !__NO_MATH_INLINES && __OPTIMIZE__ */ -#endif /* __GNUC__ && !_SOFT_FLOAT */ |