xref: /titanic_44/usr/src/lib/libm/i386/src/fmodf.s (revision 786d1eec1cd1cac7e26243d118cd209e84bc6bb9)
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 "fmodf.s"
30
31#include "libm.h"
32LIBM_ANSI_PRAGMA_WEAK(fmodf,function)
33#include "libm_synonyms.h"
34
35	ENTRY(fmodf)
36	flds	8(%esp)			/ load arg y
37	flds	4(%esp)			/ load arg x
38.mod_loop:
39	fprem				/ partial fmod
40	fstsw	%ax			/ store status word
41	andw	$0x400,%ax		/ check for incomplete reduction
42	jne	.mod_loop		/ while incomplete, do fprem again
43	fstp	%st(1)
44	ret
45	.align	4
46	SET_SIZE(fmodf)
47