blob: d2159bac37216e96eb3bed71f3801dda0c7b166c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
* Adapted for float type by Ulrich Drepper <drepper@cygnus.com>.
*/
#include <machine/asm.h>
RCSID("$NetBSD: $")
/* asin = atan (x / sqrt(1 - x^2)) */
ENTRY(__ieee754_asinf)
flds 4(%esp) /* x */
fst %st(1)
fmul %st(0) /* x^2 */
fld1
fsubp /* 1 - x^2 */
fsqrt /* sqrt (1 - x^2) */
fpatan
ret
END (__ieee754_asinf)
|