diff options
Diffstat (limited to 'ports/sysdeps/m68k/m680x0/fpu/bits/mathinline.h')
| -rw-r--r-- | ports/sysdeps/m68k/m680x0/fpu/bits/mathinline.h | 443 |
1 files changed, 0 insertions, 443 deletions
diff --git a/ports/sysdeps/m68k/m680x0/fpu/bits/mathinline.h b/ports/sysdeps/m68k/m680x0/fpu/bits/mathinline.h deleted file mode 100644 index e609eb5c1b..0000000000 --- a/ports/sysdeps/m68k/m680x0/fpu/bits/mathinline.h +++ /dev/null @@ -1,443 +0,0 @@ -/* Definitions of inline math functions implemented by the m68881/2. - Copyright (C) 1991-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _MATH_H -# error "Never use <bits/mathinline.h> directly; include <math.h> instead." -#endif - -#ifndef __extern_inline -# define __MATH_INLINE __inline -#else -# define __MATH_INLINE __extern_inline -#endif - -#ifdef __GNUC__ - -#ifdef __USE_ISOC99 -/* GCC 3.1 and up have builtins that actually can be used. */ -# if !__GNUC_PREREQ (3,1) -/* ISO C99 defines some macros to perform unordered comparisons. The - m68k FPU supports this with special opcodes and we should use them. - These must not be inline functions since we have to be able to handle - all floating-point types. */ -# undef isgreater -# undef isgreaterequal -# undef isless -# undef islessequal -# undef islessgreater -# undef isunordered -# define isgreater(x, y) \ - __extension__ \ - ({ char __result; \ - __asm__ ("fcmp%.x %2,%1; fsogt %0" \ - : "=dm" (__result) : "f" (x), "f" (y)); \ - __result != 0; }) - -# define isgreaterequal(x, y) \ - __extension__ \ - ({ char __result; \ - __asm__ ("fcmp%.x %2,%1; fsoge %0" \ - : "=dm" (__result) : "f" (x), "f" (y)); \ - __result != 0; }) - -# define isless(x, y) \ - __extension__ \ - ({ char __result; \ - __asm__ ("fcmp%.x %2,%1; fsolt %0" \ - : "=dm" (__result) : "f" (x), "f" (y)); \ - __result != 0; }) - -# define islessequal(x, y) \ - __extension__ \ - ({ char __result; \ - __asm__ ("fcmp%.x %2,%1; fsole %0" \ - : "=dm" (__result) : "f" (x), "f" (y)); \ - __result != 0; }) - -# define islessgreater(x, y) \ - __extension__ \ - ({ char __result; \ - __asm__ ("fcmp%.x %2,%1; fsogl %0" \ - : "=dm" (__result) : "f" (x), "f" (y)); \ - __result != 0; }) - -# define isunordered(x, y) \ - __extension__ \ - ({ char __result; \ - __asm__ ("fcmp%.x %2,%1; fsun %0" \ - : "=dm" (__result) : "f" (x), "f" (y)); \ - __result != 0; }) -# endif /* GCC 3.1 */ - -/* Test for negative number. Used in the signbit() macro. */ -__MATH_INLINE int -__NTH (__signbitf (float __x)) -{ - __extension__ union { float __f; int __i; } __u = { __f: __x }; - return __u.__i < 0; -} -__MATH_INLINE int -__NTH (__signbit (double __x)) -{ - __extension__ union { double __d; int __i[2]; } __u = { __d: __x }; - return __u.__i[0] < 0; -} -__MATH_INLINE int -__NTH (__signbitl (long double __x)) -{ - __extension__ union { long double __d; int __i[3]; } __u = { __d: __x }; - return __u.__i[0] < 0; -} -#endif - - -#if (!defined __NO_MATH_INLINES && defined __OPTIMIZE__) \ - || defined __LIBC_INTERNAL_MATH_INLINES - -#ifdef __LIBC_INTERNAL_MATH_INLINES -/* This is used when defining the functions themselves. Define them with - __ names, and with `static inline' instead of `extern inline' so the - bodies will always be used, never an external function call. */ -# define __m81_u(x) __CONCAT(__,x) -# define __m81_inline static __inline -#else -# define __m81_u(x) x -# define __m81_inline __MATH_INLINE -# define __M81_MATH_INLINES 1 -#endif - -/* Define a const math function. */ -#define __m81_defun(rettype, func, args) \ - __m81_inline rettype __attribute__((__const__)) \ - __NTH (__m81_u(func) args) - -/* Define the three variants of a math function that has a direct - implementation in the m68k fpu. FUNC is the name for C (which will be - suffixed with f and l for the float and long double version, resp). OP - is the name of the fpu operation (without leading f). */ - -#if defined __USE_MISC || defined __USE_ISOC99 -# define __inline_mathop(func, op) \ - __inline_mathop1(double, func, op) \ - __inline_mathop1(float, __CONCAT(func,f), op) \ - __inline_mathop1(long double, __CONCAT(func,l), op) -#else -# define __inline_mathop(func, op) \ - __inline_mathop1(double, func, op) -#endif - -#define __inline_mathop1(float_type,func, op) \ - __m81_defun (float_type, func, (float_type __mathop_x)) \ - { \ - float_type __result; \ - __asm __volatile__ ("f" __STRING(op) "%.x %1, %0" \ - : "=f" (__result) : "f" (__mathop_x)); \ - return __result; \ - } - -__inline_mathop(__atan, atan) -__inline_mathop(__cos, cos) -__inline_mathop(__sin, sin) -__inline_mathop(__tan, tan) -__inline_mathop(__tanh, tanh) -__inline_mathop(__fabs, abs) - -#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99 -__inline_mathop(__rint, int) -__inline_mathop(__expm1, etoxm1) -__inline_mathop(__log1p, lognp1) -#endif - -#ifdef __USE_MISC -__inline_mathop(__significand, getman) -#endif - -#ifdef __USE_ISOC99 -__inline_mathop(__trunc, intrz) -#endif - -#if !defined __NO_MATH_INLINES && defined __OPTIMIZE__ - -__inline_mathop(atan, atan) -__inline_mathop(tanh, tanh) - -# if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99 -__inline_mathop(rint, int) -__inline_mathop(log1p, lognp1) -# endif - -# ifdef __USE_MISC -__inline_mathop(significand, getman) -# endif - -# ifdef __USE_ISOC99 -__inline_mathop(trunc, intrz) -# endif - -#endif /* !__NO_MATH_INLINES && __OPTIMIZE__ */ - -/* This macro contains the definition for the rest of the inline - functions, using FLOAT_TYPE as the domain type and S as the suffix - for the function names. */ - -#define __inline_functions(float_type, s) \ -__m81_defun (float_type, __CONCAT(__floor,s), (float_type __x)) \ -{ \ - float_type __result; \ - unsigned long int __ctrl_reg; \ - __asm __volatile__ ("fmove%.l %!, %0" : "=dm" (__ctrl_reg)); \ - /* Set rounding towards negative infinity. */ \ - __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs. */ \ - : "dmi" ((__ctrl_reg & ~0x10) | 0x20)); \ - /* Convert X to an integer, using -Inf rounding. */ \ - __asm __volatile__ ("fint%.x %1, %0" : "=f" (__result) : "f" (__x)); \ - /* Restore the previous rounding mode. */ \ - __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs. */ \ - : "dmi" (__ctrl_reg)); \ - return __result; \ -} \ - \ -__m81_defun (float_type, __CONCAT(__ceil,s), (float_type __x)) \ -{ \ - float_type __result; \ - unsigned long int __ctrl_reg; \ - __asm __volatile__ ("fmove%.l %!, %0" : "=dm" (__ctrl_reg)); \ - /* Set rounding towards positive infinity. */ \ - __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs. */ \ - : "dmi" (__ctrl_reg | 0x30)); \ - /* Convert X to an integer, using +Inf rounding. */ \ - __asm __volatile__ ("fint%.x %1, %0" : "=f" (__result) : "f" (__x)); \ - /* Restore the previous rounding mode. */ \ - __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs. */ \ - : "dmi" (__ctrl_reg)); \ - return __result; \ -} - -__inline_functions(double,) -#if defined __USE_MISC || defined __USE_ISOC99 -__inline_functions(float,f) -__inline_functions(long double,l) -#endif -#undef __inline_functions - -#ifdef __USE_MISC - -# define __inline_functions(float_type, s) \ -__m81_defun (int, __CONCAT(__isinf,s), (float_type __value)) \ -{ \ - /* There is no branch-condition for infinity, \ - so we must extract and examine the condition codes manually. */ \ - unsigned long int __fpsr; \ - __asm ("ftst%.x %1\n" \ - "fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value)); \ - return (__fpsr & (2 << 24)) ? (__fpsr & (8 << 24) ? -1 : 1) : 0; \ -} \ - \ -__m81_defun (int, __CONCAT(__finite,s), (float_type __value)) \ -{ \ - /* There is no branch-condition for infinity, so we must extract and \ - examine the condition codes manually. */ \ - unsigned long int __fpsr; \ - __asm ("ftst%.x %1\n" \ - "fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value)); \ - return (__fpsr & (3 << 24)) == 0; \ -} \ - \ -__m81_defun (float_type, __CONCAT(__scalbn,s), \ - (float_type __x, int __n)) \ -{ \ - float_type __result; \ - __asm __volatile__ ("fscale%.l %1, %0" : "=f" (__result) \ - : "dmi" (__n), "0" (__x)); \ - return __result; \ -} - -__inline_functions(double,) -__inline_functions(float,f) -__inline_functions(long double,l) -# undef __inline_functions - -#endif /* Use misc. */ - -#if defined __USE_MISC || defined __USE_XOPEN - -# define __inline_functions(float_type, s) \ -__m81_defun (int, __CONCAT(__isnan,s), (float_type __value)) \ -{ \ - char __result; \ - __asm ("ftst%.x %1\n" \ - "fsun %0" : "=dm" (__result) : "f" (__value)); \ - return __result; \ -} - -__inline_functions(double,) -# ifdef __USE_MISC -__inline_functions(float,f) -__inline_functions(long double,l) -# endif -# undef __inline_functions - -#endif - -#ifdef __USE_ISOC99 - -# define __inline_functions(float_type, s) \ -__m81_defun (float_type, __CONCAT(__scalbln,s), \ - (float_type __x, long int __n)) \ -{ \ - return __CONCAT(__scalbn,s) (__x, __n); \ -} \ - \ -__m81_defun (float_type, __CONCAT(__nearbyint,s), (float_type __x)) \ -{ \ - float_type __result; \ - unsigned long int __ctrl_reg; \ - __asm __volatile__ ("fmove%.l %!, %0" : "=dm" (__ctrl_reg)); \ - /* Temporarily disable the inexact exception. */ \ - __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs. */ \ - : "dmi" (__ctrl_reg & ~0x200)); \ - __asm __volatile__ ("fint%.x %1, %0" : "=f" (__result) : "f" (__x)); \ - __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs. */ \ - : "dmi" (__ctrl_reg)); \ - return __result; \ -} \ - \ -__m81_defun (long int, __CONCAT(__lrint,s), (float_type __x)) \ -{ \ - long int __result; \ - __asm __volatile__ ("fmove%.l %1, %0" : "=dm" (__result) : "f" (__x)); \ - return __result; \ -} - -__inline_functions (double,) -__inline_functions (float,f) -__inline_functions (long double,l) -# undef __inline_functions - -#endif /* Use ISO C9x */ - -#ifdef __USE_GNU - -# define __inline_functions(float_type, s) \ -__m81_inline void \ -__NTH (__m81_u(__CONCAT(__sincos,s))(float_type __x, float_type *__sinx, \ - float_type *__cosx)) \ -{ \ - __asm __volatile__ ("fsincos%.x %2,%1:%0" \ - : "=f" (*__sinx), "=f" (*__cosx) : "f" (__x)); \ -} - -__inline_functions (double,) -__inline_functions (float,f) -__inline_functions (long double,l) -# undef __inline_functions - -#endif - -#if !defined __NO_MATH_INLINES && defined __OPTIMIZE__ - -/* Define inline versions of the user visible functions. */ - -/* Note that there must be no whitespace before the argument passed for - NAME, to make token pasting work correctly with -traditional. */ -# define __inline_forward_c(rettype, name, args1, args2) \ -__MATH_INLINE rettype __attribute__((__const__)) \ -__NTH (name args1) \ -{ \ - return __CONCAT(__,name) args2; \ -} - -# define __inline_forward(rettype, name, args1, args2) \ -__MATH_INLINE rettype __NTH (name args1) \ -{ \ - return __CONCAT(__,name) args2; \ -} - -__inline_forward_c(double,floor, (double __x), (__x)) -__inline_forward_c(double,ceil, (double __x), (__x)) -# ifdef __USE_MISC -# ifndef __USE_ISOC99 /* Conflict with macro of same name. */ -__inline_forward_c(int,isinf, (double __value), (__value)) -# endif -__inline_forward_c(int,finite, (double __value), (__value)) -__inline_forward_c(double,scalbn, (double __x, int __n), (__x, __n)) -# endif -# if defined __USE_MISC || defined __USE_XOPEN -# ifndef __USE_ISOC99 /* Conflict with macro of same name. */ -__inline_forward_c(int,isnan, (double __value), (__value)) -# endif -# endif -# ifdef __USE_ISOC99 -__inline_forward_c(double,scalbln, (double __x, long int __n), (__x, __n)) -__inline_forward_c(double,nearbyint, (double __value), (__value)) -__inline_forward_c(long int,lrint, (double __value), (__value)) -# endif -# ifdef __USE_GNU -__inline_forward(void,sincos, (double __x, double *__sinx, double *__cosx), - (__x, __sinx, __cosx)) -# endif - -# if defined __USE_MISC || defined __USE_ISOC99 - -__inline_forward_c(float,floorf, (float __x), (__x)) -__inline_forward_c(float,ceilf, (float __x), (__x)) -# ifdef __USE_MISC -__inline_forward_c(int,isinff, (float __value), (__value)) -__inline_forward_c(int,finitef, (float __value), (__value)) -__inline_forward_c(float,scalbnf, (float __x, int __n), (__x, __n)) -__inline_forward_c(int,isnanf, (float __value), (__value)) -# endif -# ifdef __USE_ISOC99 -__inline_forward_c(float,scalblnf, (float __x, long int __n), (__x, __n)) -__inline_forward_c(float,nearbyintf, (float __value), (__value)) -__inline_forward_c(long int,lrintf, (float __value), (__value)) -# endif -# ifdef __USE_GNU -__inline_forward(void,sincosf, (float __x, float *__sinx, float *__cosx), - (__x, __sinx, __cosx)) -# endif - -__inline_forward_c(long double,floorl, (long double __x), (__x)) -__inline_forward_c(long double,ceill, (long double __x), (__x)) -# ifdef __USE_MISC -__inline_forward_c(int,isinfl, (long double __value), (__value)) -__inline_forward_c(int,finitel, (long double __value), (__value)) -__inline_forward_c(long double,scalbnl, (long double __x, int __n), (__x, __n)) -__inline_forward_c(int,isnanl, (long double __value), (__value)) -# endif -# ifdef __USE_ISOC99 -__inline_forward_c(long double,scalblnl, (long double __x, long int __n), - (__x, __n)) -__inline_forward_c(long double,nearbyintl, (long double __value), (__value)) -__inline_forward_c(long int,lrintl, (long double __value), (__value)) -# endif -# ifdef __USE_GNU -__inline_forward(void,sincosl, - (long double __x, long double *__sinx, long double *__cosx), - (__x, __sinx, __cosx)) -# endif - -#endif /* Use misc or ISO C99 */ - -#undef __inline_forward -#undef __inline_forward_c - -#endif /* !__NO_MATH_INLINES && __OPTIMIZE__ */ - -#endif -#endif /* GCC. */ |