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/* Compute sine and cosine of argument.
Copyright (C) 1997, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <machine/asm.h>
#include "bp-sym.h"
#include "bp-asm.h"
#define PARMS LINKAGE /* no space for saved regs */
#define ANGLE PARMS
#define SINP ANGLE+8
#define COSP SINP+PTR_SIZE
.text
ENTRY (BP_SYM (__sincos))
ENTER
fldl ANGLE(%esp)
fsincos
movl SINP(%esp), %ecx
CHECK_BOUNDS_BOTH_WIDE (%ecx, SINP(%esp), $8)
movl COSP(%esp), %edx
CHECK_BOUNDS_BOTH_WIDE (%edx, COSP(%esp), $8)
fnstsw %ax
testl $0x400,%eax
jnz 1f
fstpl (%edx)
fstpl (%ecx)
LEAVE
ret
.align ALIGNARG(4)
1: fldpi
fadd %st(0)
fxch %st(1)
2: fprem1
fnstsw %ax
testl $0x400,%eax
jnz 2b
fstp %st(1)
fsincos
fstpl (%edx)
fstpl (%ecx)
LEAVE
ret
END (BP_SYM (__sincos))
weak_alias (BP_SYM (__sincos), BP_SYM (sincos))
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