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 */ 211219Sraf 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 "abs.s" 280Sstevel@tonic-gate 290Sstevel@tonic-gate/* 300Sstevel@tonic-gate * Assembler program to implement the following C program 310Sstevel@tonic-gate * 320Sstevel@tonic-gate * int 330Sstevel@tonic-gate * abs(int arg) 340Sstevel@tonic-gate * { 350Sstevel@tonic-gate * return((arg < 0)? -arg: arg); 360Sstevel@tonic-gate * } 370Sstevel@tonic-gate */ 380Sstevel@tonic-gate 390Sstevel@tonic-gate#include "SYS.h" 400Sstevel@tonic-gate 410Sstevel@tonic-gate ENTRY(abs) 420Sstevel@tonic-gate movl %edi, %eax 430Sstevel@tonic-gate testl %eax, %eax /* arg < 0? */ 440Sstevel@tonic-gate jns 1f 450Sstevel@tonic-gate negl %eax /* yes, return -arg */ 460Sstevel@tonic-gate1: 470Sstevel@tonic-gate ret 480Sstevel@tonic-gate SET_SIZE(abs) 490Sstevel@tonic-gate 500Sstevel@tonic-gate ENTRY(labs) 510Sstevel@tonic-gate movq %rdi, %rax 520Sstevel@tonic-gate testq %rax, %rax /* arg < 0? */ 530Sstevel@tonic-gate jns 1f 540Sstevel@tonic-gate negq %rax /* yes, return -arg */ 550Sstevel@tonic-gate1: 560Sstevel@tonic-gate ret 570Sstevel@tonic-gate SET_SIZE(labs) 581219Sraf 591219Sraf ENTRY(llabs) 601219Sraf movq %rdi, %rax 611219Sraf testq %rax, %rax /* arg < 0? */ 621219Sraf jns 1f 631219Sraf negq %rax /* yes, return -arg */ 641219Sraf1: 651219Sraf ret 661219Sraf SET_SIZE(llabs) 67