/* * 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. */ #pragma ident "%Z%%M% %I% %E% SMI" .file "%M%" / 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)