xref: /netbsd-src/lib/libc/arch/sparc/stdlib/llabs.S (revision cac8e449158efc7261bebc8657cbb0125a2cfdde)
1*cac8e449Smatt/*	$NetBSD: llabs.S,v 1.4 2008/08/04 21:29:28 matt Exp $	*/
2e4d7c2e3Skleink
3e4d7c2e3Skleink/*
4e4d7c2e3Skleink * Copyright (c) 1992, 1993
5e4d7c2e3Skleink *	The Regents of the University of California.  All rights reserved.
6e4d7c2e3Skleink *
7e4d7c2e3Skleink * This software was developed by the Computer Systems Engineering group
8e4d7c2e3Skleink * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9e4d7c2e3Skleink * contributed to Berkeley.
10e4d7c2e3Skleink *
11e4d7c2e3Skleink * Redistribution and use in source and binary forms, with or without
12e4d7c2e3Skleink * modification, are permitted provided that the following conditions
13e4d7c2e3Skleink * are met:
14e4d7c2e3Skleink * 1. Redistributions of source code must retain the above copyright
15e4d7c2e3Skleink *    notice, this list of conditions and the following disclaimer.
16e4d7c2e3Skleink * 2. Redistributions in binary form must reproduce the above copyright
17e4d7c2e3Skleink *    notice, this list of conditions and the following disclaimer in the
18e4d7c2e3Skleink *    documentation and/or other materials provided with the distribution.
19eb7c1594Sagc * 3. Neither the name of the University nor the names of its contributors
20e4d7c2e3Skleink *    may be used to endorse or promote products derived from this software
21e4d7c2e3Skleink *    without specific prior written permission.
22e4d7c2e3Skleink *
23e4d7c2e3Skleink * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24e4d7c2e3Skleink * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25e4d7c2e3Skleink * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26e4d7c2e3Skleink * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27e4d7c2e3Skleink * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28e4d7c2e3Skleink * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29e4d7c2e3Skleink * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30e4d7c2e3Skleink * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31e4d7c2e3Skleink * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32e4d7c2e3Skleink * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33e4d7c2e3Skleink * SUCH DAMAGE.
34e4d7c2e3Skleink *
35e4d7c2e3Skleink * from: Header: abs.s,v 1.1 91/07/06 18:01:57 torek Exp
36e4d7c2e3Skleink */
37e4d7c2e3Skleink
38e4d7c2e3Skleink#include <machine/asm.h>
39e4d7c2e3Skleink#if defined(LIBC_SCCS) && !defined(lint)
40e4d7c2e3Skleink#if 0
41e4d7c2e3Skleink	.asciz "from: @(#)abs.s	8.1 (Berkeley) 6/4/93"
42e4d7c2e3Skleink#else
43*cac8e449Smatt	RCSID("$NetBSD: llabs.S,v 1.4 2008/08/04 21:29:28 matt Exp $")
44e4d7c2e3Skleink#endif
45e4d7c2e3Skleink#endif /* LIBC_SCCS and not lint */
46e4d7c2e3Skleink
473529d6d1Skleink#ifdef WEAK_ALIAS
483529d6d1SkleinkWEAK_ALIAS(llabs, _llabs)
49*cac8e449SmattWEAK_ALIAS(imaxabs, _llabs)
503529d6d1Skleink#endif
513529d6d1Skleink
52e4d7c2e3Skleink/* llabs - long long int absolute value */
53*cac8e449Smatt/* imaxabs - intmax_t absolute value */
54e4d7c2e3Skleink
55e4d7c2e3Skleink
563529d6d1Skleink#ifdef WEAK_ALIAS
573529d6d1SkleinkENTRY(_llabs)
583529d6d1Skleink#else
59e4d7c2e3SkleinkENTRY(llabs)
603529d6d1Skleink#endif
61e4d7c2e3Skleink	tst	%o0
62e4d7c2e3Skleink	bge	1f
63e4d7c2e3Skleink	 nop
64e4d7c2e3Skleink	subcc	%g0, %o1, %o1
65e4d7c2e3Skleink	subx	%g0, %o0, %o0
66e4d7c2e3Skleink1:	retl
67e4d7c2e3Skleink	 nop
68