blob: 774feab607bc2a39d9f4d16bab95cbaed720ea4b (
plain) (
blame)
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
|
/*
* Public domain.
*/
#include <machine/asm.h>
#include <i386-math-asm.h>
#include <libm-alias-finite.h>
RCSID("$NetBSD: $")
.section .rodata.cst4,"aM",@progbits,4
DEFINE_FLT_MIN
#ifdef PIC
# define MO(op) op##@GOTOFF(%ecx)
#else
# define MO(op) op
#endif
.text
/* asin = atan (x / sqrt(1 - x^2)) */
ENTRY(__ieee754_asinf)
#ifdef PIC
LOAD_PIC_REG (cx)
#endif
flds 4(%esp) /* x */
fld %st
fmul %st(0) /* x^2 */
fld1
fsubp /* 1 - x^2 */
fsqrt /* sqrt (1 - x^2) */
fpatan
FLT_CHECK_FORCE_UFLOW
ret
END (__ieee754_asinf)
libm_alias_finite (__ieee754_asinf, __asinf)
|
