17c478bd9Sstevel@tonic-gate/* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57257d1b4Sraf * Common Development and Distribution License (the "License"). 67257d1b4Sraf * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217257d1b4Sraf 227c478bd9Sstevel@tonic-gate/* 237257d1b4Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 27*9a70fc3bSMark J. Nelson .file "lsub.s" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate/ Double long subtraction routine. 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate#include "SYS.h" 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate .set lop,4 347c478bd9Sstevel@tonic-gate .set rop,12 357c478bd9Sstevel@tonic-gate .set ans,0 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate ENTRY(lsub) 387c478bd9Sstevel@tonic-gate popl %eax 397c478bd9Sstevel@tonic-gate xchgl %eax,0(%esp) 407c478bd9Sstevel@tonic-gate movl lop(%esp),%ecx 417c478bd9Sstevel@tonic-gate subl rop(%esp),%ecx 427c478bd9Sstevel@tonic-gate movl lop+4(%esp),%edx 437c478bd9Sstevel@tonic-gate sbbl rop+4(%esp),%edx 447c478bd9Sstevel@tonic-gate movl %ecx,ans(%eax) 457c478bd9Sstevel@tonic-gate movl %edx,ans+4(%eax) 467c478bd9Sstevel@tonic-gate ret 477c478bd9Sstevel@tonic-gate SET_SIZE(lsub) 48