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94 lines
3.0 KiB
C
94 lines
3.0 KiB
C
/* Definitions of libc internal inline math functions implemented
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by the m68881/2.
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Copyright (C) 1991-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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/* This file contains the definitions of the inline math functions that
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are only used internally inside libm, not visible to the user. */
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__inline_mathop (__ieee754_acos, acos)
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__inline_mathop (__ieee754_asin, asin)
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__inline_mathop (__ieee754_cosh, cosh)
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__inline_mathop (__ieee754_sinh, sinh)
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__inline_mathop (__ieee754_exp, etox)
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__inline_mathop (__ieee754_exp2, twotox)
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__inline_mathop (__ieee754_exp10, tentox)
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__inline_mathop (__ieee754_log10, log10)
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__inline_mathop (__ieee754_log2, log2)
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__inline_mathop (__ieee754_log, logn)
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__inline_mathop (__ieee754_sqrt, sqrt)
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__inline_mathop (__ieee754_atanh, atanh)
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__m81_defun (double, __ieee754_remainder, (double __x, double __y))
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{
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double __result;
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__asm ("frem%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
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return __result;
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}
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__m81_defun (float, __ieee754_remainderf, (float __x, float __y))
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{
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float __result;
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__asm ("frem%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
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return __result;
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}
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__m81_defun (long double,
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__ieee754_remainderl, (long double __x, long double __y))
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{
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long double __result;
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__asm ("frem%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
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return __result;
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}
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__m81_defun (double, __ieee754_fmod, (double __x, double __y))
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{
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double __result;
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__asm ("fmod%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
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return __result;
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}
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__m81_defun (float, __ieee754_fmodf, (float __x, float __y))
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{
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float __result;
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__asm ("fmod%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
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return __result;
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}
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__m81_defun (long double,
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__ieee754_fmodl, (long double __x, long double __y))
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{
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long double __result;
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__asm ("fmod%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
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return __result;
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}
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/* Get the m68881 condition codes, to quickly check multiple conditions. */
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static __inline__ unsigned long
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__m81_test (long double __val)
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{
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unsigned long __fpsr;
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__asm ("ftst%.x %1; fmove%.l %/fpsr,%0" : "=dm" (__fpsr) : "f" (__val));
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return __fpsr;
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}
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/* Bit values returned by __m81_test. */
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#define __M81_COND_NAN (1 << 24)
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#define __M81_COND_INF (2 << 24)
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#define __M81_COND_ZERO (4 << 24)
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#define __M81_COND_NEG (8 << 24)
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