xref: /titanic_50/usr/src/lib/libc/i386/fp/fpcw.s (revision fa9e4066f08beec538e775443c5be79dd423fcab)
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#include <SYS.h>
32
33	ENTRY(_getcw)
34	movl	4(%esp),%eax
35	fstcw	(%eax)
36	ret
37	SET_SIZE(_getcw)
38
39	ENTRY(_putcw)
40	fldcw	4(%esp)
41	ret
42	SET_SIZE(_putcw)
43
44	ENTRY(_getsw)
45	movl	4(%esp),%eax
46	fstsw	(%eax)
47	ret
48	SET_SIZE(_getsw)
49
50	ENTRY(_putsw)
51	movl	4(%esp),%ecx
52	andl	$0x3f,%ecx
53	jnz	1f
54	fnclex
55	ret
561:
57	fnstsw	%ax
58	subl	$28,%esp
59	fnstenv	(%esp)
60	andw	$0xffc0,%ax
61	orw	%ax,%cx
62	movw	%cx,4(%esp)
63	fldenv	(%esp)
64	addl	$28,%esp
65	ret
66	SET_SIZE(_putsw)
67
68	ENTRY(_getmxcsr)
69	movl	4(%esp),%eax
70	stmxcsr	(%eax)
71	ret
72	SET_SIZE(_getmxcsr)
73
74	ENTRY(_putmxcsr)
75	ldmxcsr	4(%esp)
76	ret
77	SET_SIZE(_putmxcsr)
78