xref: /titanic_44/usr/src/lib/libc/i386/gen/lsign.s (revision b7f45089ccbe01bab3d7c7377b49d80d2ae18a69)
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, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27	.ident	"%Z%%M%	%I%	%E% SMI"
28
29	.file	"%M%"
30
31/ Determine the sign of a double-long number.
32
33#include <sys/asm_linkage.h>
34
35	ANSI_PRAGMA_WEAK(lsign,function)
36
37#include "SYS.h"
38
39	ENTRY(lsign)
40	movl	8(%esp),%eax
41	roll	%eax
42	andl	$1,%eax
43	ret
44	SET_SIZE(lsign)
45