xref: /illumos-gate/usr/src/lib/libc/i386/gen/lsign.S (revision ed093b41a93e8563e6e1e5dae0768dda2a7bcc27)
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 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27	.file	"lsign.s"
28
29/ Determine the sign of a double-long number.
30
31#include "SYS.h"
32
33	ENTRY(lsign)
34	movl	8(%esp),%eax
35	roll	%eax
36	andl	$1,%eax
37	ret
38	SET_SIZE(lsign)
39