1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/* Definitions of libc internal inline math functions implemented
by the m68881/2.
Copyright (C) 1991-2018 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/>. */
/* This file contains the definitions of the inline math functions that
are only used internally inside libm, not visible to the user. */
__inline_mathop (__ieee754_acos, acos,)
__inline_mathop (__ieee754_asin, asin,)
__inline_mathop (__ieee754_cosh, cosh,)
__inline_mathop (__ieee754_sinh, sinh,)
__inline_mathop (__ieee754_exp, etox,)
__inline_mathop (__ieee754_exp2, twotox,)
__inline_mathop (__ieee754_exp10, tentox,)
__inline_mathop (__ieee754_log10, log10,)
__inline_mathop (__ieee754_log2, log2,)
__inline_mathop (__ieee754_log, logn,)
__inline_mathop (__ieee754_sqrt, sqrt,)
__inline_mathop (__ieee754_atanh, atanh,)
__m81_defun (double, __ieee754_remainder, (double __x, double __y),)
{
double __result;
__asm ("frem%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
return __result;
}
__m81_defun (float, __ieee754_remainderf, (float __x, float __y),)
{
float __result;
__asm ("frem%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
return __result;
}
__m81_defun (long double,
__ieee754_remainderl, (long double __x, long double __y),)
{
long double __result;
__asm ("frem%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
return __result;
}
__m81_defun (double, __ieee754_fmod, (double __x, double __y),)
{
double __result;
__asm ("fmod%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
return __result;
}
__m81_defun (float, __ieee754_fmodf, (float __x, float __y),)
{
float __result;
__asm ("fmod%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
return __result;
}
__m81_defun (long double,
__ieee754_fmodl, (long double __x, long double __y),)
{
long double __result;
__asm ("fmod%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
return __result;
}
/* Get the m68881 condition codes, to quickly check multiple conditions. */
static __inline__ unsigned long
__m81_test (long double __val)
{
unsigned long __fpsr;
__asm ("ftst%.x %1; fmove%.l %/fpsr,%0" : "=dm" (__fpsr) : "f" (__val));
return __fpsr;
}
/* Bit values returned by __m81_test. */
#define __M81_COND_NAN (1 << 24)
#define __M81_COND_INF (2 << 24)
#define __M81_COND_ZERO (4 << 24)
#define __M81_COND_NEG (8 << 24)
|
