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/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*
* Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
* Adapted for x86-64 by Andreas Jaeger <aj@suse.de>.
* Fixed errno handling by Ulrich Drepper <drepper@redhat.com>.
*/
#define __need_Emath
#include <bits/errno.h>
#include <machine/asm.h>
RCSID("$NetBSD: $")
ENTRY(__tanl)
fldt 8(%rsp)
fxam
fstsw %ax
movb $0x45, %dh
andb %ah, %dh
cmpb $0x05, %dh
je 3f
4: 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
3: call __errno_location@PLT
movl $EDOM, (%rax)
jmp 4b
END (__tanl)
weak_alias (__tanl, tanl)
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