10Sstevel@tonic-gate/* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 56812Sraf * Common Development and Distribution License (the "License"). 66812Sraf * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 216812Sraf 220Sstevel@tonic-gate/* 236812Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 240Sstevel@tonic-gate * Use is subject to license terms. 250Sstevel@tonic-gate */ 260Sstevel@tonic-gate 27*7298SMark.J.Nelson@Sun.COM .file "lsub.s" 280Sstevel@tonic-gate 290Sstevel@tonic-gate/ Double long subtraction routine. 300Sstevel@tonic-gate 310Sstevel@tonic-gate#include "SYS.h" 320Sstevel@tonic-gate 330Sstevel@tonic-gate .set lop,4 340Sstevel@tonic-gate .set rop,12 350Sstevel@tonic-gate .set ans,0 360Sstevel@tonic-gate 370Sstevel@tonic-gate ENTRY(lsub) 380Sstevel@tonic-gate popl %eax 390Sstevel@tonic-gate xchgl %eax,0(%esp) 400Sstevel@tonic-gate movl lop(%esp),%ecx 410Sstevel@tonic-gate subl rop(%esp),%ecx 420Sstevel@tonic-gate movl lop+4(%esp),%edx 430Sstevel@tonic-gate sbbl rop+4(%esp),%edx 440Sstevel@tonic-gate movl %ecx,ans(%eax) 450Sstevel@tonic-gate movl %edx,ans+4(%eax) 460Sstevel@tonic-gate ret 470Sstevel@tonic-gate SET_SIZE(lsub) 48