xref: /titanic_50/usr/src/lib/libm/amd64/src/fmodl.s (revision ddc0e0b53c661f6e439e3b7072b3ef353eadb4af)
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 2005 Sun Microsystems, Inc.  All rights reserved.
26 * Use is subject to license terms.
27 */
28
29        .file "fmodl.s"
30
31#include "libm.h"
32LIBM_ANSI_PRAGMA_WEAK(fmodl,function)
33
34	ENTRY(fmodl)
35	fldt	24(%rsp)		/ load arg y
36	fldt	8(%rsp)			/ load arg x
37.mod_loop:
38	fprem				/ partial fmod
39	fstsw	%ax			/ store status word
40	andw	$0x400,%ax		/ check for incomplete reduction
41	jne	.mod_loop		/ while incomplete, do fprem again
42	fstp	%st(1)
43	ret
44	.align	16
45	SET_SIZE(fmodl)
46