57 lines
2.0 KiB
ArmAsm
57 lines
2.0 KiB
ArmAsm
|
/*
|
||
|
|
* Copyright (c) 1994 Winning Strategies, Inc.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
* 3. All advertising materials mentioning features or use of this software
|
||
|
|
* must display the following acknowledgement:
|
||
|
|
* This product includes software developed by Winning Strategies, Inc.
|
||
|
|
* 4. The name of the author may not be used to endorse or promote products
|
||
|
|
* derived from this software without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Written by:
|
||
|
|
* J.T. Conklin (jtc@wimsey.com), Winning Strategies, Inc.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <machine/asm.h>
|
||
|
|
|
||
|
|
RCSID("$FreeBSD: src/lib/msun/i387/s_sin.S,v 1.6 1999/08/28 00:06:14 peter Exp $")
|
||
|
|
|
||
|
|
ENTRY(sin)
|
||
|
|
fldl 4(%esp)
|
||
|
|
fsin
|
||
|
|
fnstsw %ax
|
||
|
|
andw $0x400,%ax
|
||
|
|
jnz 1f
|
||
|
|
ret
|
||
|
|
1: fldpi
|
||
|
|
fadd %st(0)
|
||
|
|
fxch %st(1)
|
||
|
|
2: fprem1
|
||
|
|
fnstsw %ax
|
||
|
|
andw $0x400,%ax
|
||
|
|
jnz 2b
|
||
|
|
fstp %st(1)
|
||
|
|
fsin
|
||
|
|
ret
|