xref: /illumos-gate/usr/src/lib/libm/i386/src/fmodf.S (revision 5d9d9091f564c198a760790b0bfa72c44e17912b)
1*5d9d9091SRichard Lowe/*
2*5d9d9091SRichard Lowe * CDDL HEADER START
3*5d9d9091SRichard Lowe *
4*5d9d9091SRichard Lowe * The contents of this file are subject to the terms of the
5*5d9d9091SRichard Lowe * Common Development and Distribution License (the "License").
6*5d9d9091SRichard Lowe * You may not use this file except in compliance with the License.
7*5d9d9091SRichard Lowe *
8*5d9d9091SRichard Lowe * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*5d9d9091SRichard Lowe * or http://www.opensolaris.org/os/licensing.
10*5d9d9091SRichard Lowe * See the License for the specific language governing permissions
11*5d9d9091SRichard Lowe * and limitations under the License.
12*5d9d9091SRichard Lowe *
13*5d9d9091SRichard Lowe * When distributing Covered Code, include this CDDL HEADER in each
14*5d9d9091SRichard Lowe * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*5d9d9091SRichard Lowe * If applicable, add the following below this CDDL HEADER, with the
16*5d9d9091SRichard Lowe * fields enclosed by brackets "[]" replaced with your own identifying
17*5d9d9091SRichard Lowe * information: Portions Copyright [yyyy] [name of copyright owner]
18*5d9d9091SRichard Lowe *
19*5d9d9091SRichard Lowe * CDDL HEADER END
20*5d9d9091SRichard Lowe */
21*5d9d9091SRichard Lowe/*
22*5d9d9091SRichard Lowe * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
23*5d9d9091SRichard Lowe */
24*5d9d9091SRichard Lowe/*
25*5d9d9091SRichard Lowe * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
26*5d9d9091SRichard Lowe * Use is subject to license terms.
27*5d9d9091SRichard Lowe */
28*5d9d9091SRichard Lowe
29*5d9d9091SRichard Lowe        .file "fmodf.s"
30*5d9d9091SRichard Lowe
31*5d9d9091SRichard Lowe#include "libm.h"
32*5d9d9091SRichard LoweLIBM_ANSI_PRAGMA_WEAK(fmodf,function)
33*5d9d9091SRichard Lowe
34*5d9d9091SRichard Lowe	ENTRY(fmodf)
35*5d9d9091SRichard Lowe	flds	8(%esp)			/ load arg y
36*5d9d9091SRichard Lowe	flds	4(%esp)			/ load arg x
37*5d9d9091SRichard Lowe.mod_loop:
38*5d9d9091SRichard Lowe	fprem				/ partial fmod
39*5d9d9091SRichard Lowe	fstsw	%ax			/ store status word
40*5d9d9091SRichard Lowe	andw	$0x400,%ax		/ check for incomplete reduction
41*5d9d9091SRichard Lowe	jne	.mod_loop		/ while incomplete, do fprem again
42*5d9d9091SRichard Lowe	fstp	%st(1)
43*5d9d9091SRichard Lowe	ret
44*5d9d9091SRichard Lowe	.align	4
45*5d9d9091SRichard Lowe	SET_SIZE(fmodf)
46