xref: /minix3/lib/libc/arch/sparc/stdlib/llabs.S (revision 2fe8fb192fe7e8720e3e7a77f928da545e872a6a)
1*2fe8fb19SBen Gras/*	$NetBSD: llabs.S,v 1.4 2008/08/04 21:29:28 matt Exp $	*/
2*2fe8fb19SBen Gras
3*2fe8fb19SBen Gras/*
4*2fe8fb19SBen Gras * Copyright (c) 1992, 1993
5*2fe8fb19SBen Gras *	The Regents of the University of California.  All rights reserved.
6*2fe8fb19SBen Gras *
7*2fe8fb19SBen Gras * This software was developed by the Computer Systems Engineering group
8*2fe8fb19SBen Gras * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9*2fe8fb19SBen Gras * contributed to Berkeley.
10*2fe8fb19SBen Gras *
11*2fe8fb19SBen Gras * Redistribution and use in source and binary forms, with or without
12*2fe8fb19SBen Gras * modification, are permitted provided that the following conditions
13*2fe8fb19SBen Gras * are met:
14*2fe8fb19SBen Gras * 1. Redistributions of source code must retain the above copyright
15*2fe8fb19SBen Gras *    notice, this list of conditions and the following disclaimer.
16*2fe8fb19SBen Gras * 2. Redistributions in binary form must reproduce the above copyright
17*2fe8fb19SBen Gras *    notice, this list of conditions and the following disclaimer in the
18*2fe8fb19SBen Gras *    documentation and/or other materials provided with the distribution.
19*2fe8fb19SBen Gras * 3. Neither the name of the University nor the names of its contributors
20*2fe8fb19SBen Gras *    may be used to endorse or promote products derived from this software
21*2fe8fb19SBen Gras *    without specific prior written permission.
22*2fe8fb19SBen Gras *
23*2fe8fb19SBen Gras * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24*2fe8fb19SBen Gras * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25*2fe8fb19SBen Gras * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26*2fe8fb19SBen Gras * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27*2fe8fb19SBen Gras * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28*2fe8fb19SBen Gras * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29*2fe8fb19SBen Gras * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30*2fe8fb19SBen Gras * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31*2fe8fb19SBen Gras * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32*2fe8fb19SBen Gras * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33*2fe8fb19SBen Gras * SUCH DAMAGE.
34*2fe8fb19SBen Gras *
35*2fe8fb19SBen Gras * from: Header: abs.s,v 1.1 91/07/06 18:01:57 torek Exp
36*2fe8fb19SBen Gras */
37*2fe8fb19SBen Gras
38*2fe8fb19SBen Gras#include <machine/asm.h>
39*2fe8fb19SBen Gras#if defined(LIBC_SCCS) && !defined(lint)
40*2fe8fb19SBen Gras#if 0
41*2fe8fb19SBen Gras	.asciz "from: @(#)abs.s	8.1 (Berkeley) 6/4/93"
42*2fe8fb19SBen Gras#else
43*2fe8fb19SBen Gras	RCSID("$NetBSD: llabs.S,v 1.4 2008/08/04 21:29:28 matt Exp $")
44*2fe8fb19SBen Gras#endif
45*2fe8fb19SBen Gras#endif /* LIBC_SCCS and not lint */
46*2fe8fb19SBen Gras
47*2fe8fb19SBen Gras#ifdef WEAK_ALIAS
48*2fe8fb19SBen GrasWEAK_ALIAS(llabs, _llabs)
49*2fe8fb19SBen GrasWEAK_ALIAS(imaxabs, _llabs)
50*2fe8fb19SBen Gras#endif
51*2fe8fb19SBen Gras
52*2fe8fb19SBen Gras/* llabs - long long int absolute value */
53*2fe8fb19SBen Gras/* imaxabs - intmax_t absolute value */
54*2fe8fb19SBen Gras
55*2fe8fb19SBen Gras
56*2fe8fb19SBen Gras#ifdef WEAK_ALIAS
57*2fe8fb19SBen GrasENTRY(_llabs)
58*2fe8fb19SBen Gras#else
59*2fe8fb19SBen GrasENTRY(llabs)
60*2fe8fb19SBen Gras#endif
61*2fe8fb19SBen Gras	tst	%o0
62*2fe8fb19SBen Gras	bge	1f
63*2fe8fb19SBen Gras	 nop
64*2fe8fb19SBen Gras	subcc	%g0, %o1, %o1
65*2fe8fb19SBen Gras	subx	%g0, %o0, %o0
66*2fe8fb19SBen Gras1:	retl
67*2fe8fb19SBen Gras	 nop
68