/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
.file "lsub.s"
/ Double long subtraction routine.
#include "SYS.h"
.set lop,4
.set rop,12
.set ans,0
ENTRY(lsub)
popl %eax
xchgl %eax,0(%esp)
movl lop(%esp),%ecx
subl rop(%esp),%ecx
movl lop+4(%esp),%edx
sbbl rop+4(%esp),%edx
movl %ecx,ans(%eax)
movl %edx,ans+4(%eax)
ret
SET_SIZE(lsub)