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
|
/*
** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
**
** Modified O.ROBERT 24, Avenue de Verdun 92170 VANVES, FRANCE
**
** E-mail: roberto@germinal.ibp.fr
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** A copy of "copying.dj" should accompany this file; if not, a copy
** should be available from where this file was obtained. This file
** may not be distributed without a verbatim copy of "copying.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**
** or 03-Apr-1991 corrected bug about argument zero to pow
** fyl2x didn't like it
*/
/* Modified by H.J. Lu for Linux, 1992 */
/* History:15,24 */
.file "expm1.S"
#ifdef __ELF__
#define _expm1 expm1
#endif
.text
.globl _expm1
#ifdef __i486__
.align 4,0x90
#else
.align 2,0x90
#endif
_expm1:
pushl %ebp
movl %esp,%ebp
subl $8,%esp
fldl 8(%ebp)
fldl2e
fmulp %st,%st(1)
fstcw -4(%ebp)
fstcw -8(%ebp)
andw $0xf3ff,-4(%ebp)
fldcw -4(%ebp)
fldl %st(0)
frndint
fldcw -8(%ebp)
fxch %st(1)
fsub %st(1),%st
f2xm1
fscale
fxch %st(1)
fld1
fscale
fld1
fsubp %st,%st(1)
fstp %st(1)
fsubrp %st,%st(1)
movl %ebp,%esp
popl %ebp
ret
#ifdef __ELF__
.type expm1,@function
#endif
|
