xref: /illumos-gate/usr/src/lib/libm/amd64/src/copysignl.S (revision 763f1f5f97e4c16840af2ced98915f0ed0f46616)
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 2011 Nexenta Systems, Inc.  All rights reserved.
23 */
24/*
25 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
26 * Use is subject to license terms.
27 */
28
29	.file	"copysignl.s"
30
31#include "libm.h"
32LIBM_ANSI_PRAGMA_WEAK(copysignl,function)
33
34	ENTRY(copysignl)
35	movl	16(%rsp),%eax
36	movl	32(%rsp),%ecx
37	andl	$0x7fff,%eax
38	andl	$0x8000,%ecx
39	orl	%ecx,%eax
40	movl	%eax,16(%rsp)
41	fldt	8(%rsp)
42	ret
43	.align	16
44	SET_SIZE(copysignl)
45