1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 .file "abs.s" 28 29/ /* Assembler program to implement the following C program */ 30/ int 31/ abs(arg) 32/ int arg; 33/ { 34/ return((arg < 0)? -arg: arg); 35/ } 36 37#include "SYS.h" 38 39 ENTRY(abs) 40 movl 4(%esp),%eax / arg < 0? 41 testl %eax,%eax 42 jns 1f 43 negl %eax / yes, return -arg 441: 45 ret 46 SET_SIZE(abs) 47 48 ENTRY(labs) 49 movl 4(%esp),%eax / arg < 0? 50 testl %eax,%eax 51 jns 1f 52 negl %eax / yes, return -arg 531: 54 ret 55 SET_SIZE(labs) 56