glibc/sysdeps/i386/fpu/e_acosl.S
Ulrich Drepper abfbdde177 Update.
1999-07-14 00:54:57 +00:00

23 lines
402 B
ArmAsm

/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
*/
#include <machine/asm.h>
/* acosl = atanl (sqrtl(1 - x^2) / x) */
ENTRY(__ieee754_acosl)
fldt 4(%esp) /* x */
fld %st
fmul %st(0) /* x^2 */
fld1
fsubp /* 1 - x^2 */
fsqrt /* sqrtl (1 - x^2) */
fxch %st(1)
fpatan
ret
END (__ieee754_acosl)