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

31 lines
408 B
ArmAsm

/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*/
#include <machine/asm.h>
RCSID("$NetBSD: s_tan.S,v 1.5 1995/05/09 00:30:00 jtc Exp $")
ENTRY(__tan)
fldl 4(%esp)
fptan
fnstsw %ax
testl $0x400,%eax
jnz 1f
fstp %st(0)
ret
1: fldpi
fadd %st(0)
fxch %st(1)
2: fprem1
fstsw %ax
testl $0x400,%eax
jnz 2b
fstp %st(1)
fptan
fstp %st(0)
ret
END (__tan)
weak_alias (__tan, tan)