xref: /netbsd/lib/libc/arch/sparc/stdlib/llabs.S (revision bf9ec67e)
1/*	$NetBSD: llabs.S,v 1.2 2001/05/29 13:03:02 kleink Exp $	*/
2
3/*
4 * Copyright (c) 1992, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * This software was developed by the Computer Systems Engineering group
8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9 * contributed to Berkeley.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgement:
21 *	This product includes software developed by the University of
22 *	California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 *    may be used to endorse or promote products derived from this software
25 *    without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 * from: Header: abs.s,v 1.1 91/07/06 18:01:57 torek Exp
40 */
41
42#include <machine/asm.h>
43#if defined(LIBC_SCCS) && !defined(lint)
44#if 0
45	.asciz "from: @(#)abs.s	8.1 (Berkeley) 6/4/93"
46#else
47	RCSID("$NetBSD: llabs.S,v 1.2 2001/05/29 13:03:02 kleink Exp $")
48#endif
49#endif /* LIBC_SCCS and not lint */
50
51#ifdef WEAK_ALIAS
52WEAK_ALIAS(llabs, _llabs)
53#endif
54
55/* llabs - long long int absolute value */
56
57
58#ifdef WEAK_ALIAS
59ENTRY(_llabs)
60#else
61ENTRY(llabs)
62#endif
63	tst	%o0
64	bge	1f
65	 nop
66	subcc	%g0, %o1, %o1
67	subx	%g0, %o0, %o0
681:	retl
69	 nop
70