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 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 .file "__xgetRD.s" 27 28#include <SYS.h> 29 30/ 00 - Round to nearest or even 31/ 01 - Round down 32/ 10 - Round up 33/ 11 - Chop 34 35 ENTRY(__xgetRD) 36 subq $8,%rsp 37 fstcw (%rsp) 38 movw (%rsp),%ax 39 shrw $10,%ax 40 andq $0x3,%rax 41 addq $8,%rsp 42 ret 43 SET_SIZE(__xgetRD) 44