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

49 lines
1.3 KiB
ArmAsm

/* Compute sine and cosine of argument.
Copyright (C) 1997 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>
ENTRY(__sincos)
fldl 4(%esp)
fsincos
movl 12(%esp), %ecx
movl 16(%esp), %edx
fnstsw %ax
testl $0x400,%eax
jnz 1f
fstpl (%edx)
fstpl (%ecx)
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)
ret
END(__sincos)
weak_alias(__sincos, sincos)