xref: /netbsd/lib/libc/arch/m68k/stdlib/llabs.S (revision 3eefa8da)
1*3eefa8daSmatt/*	$NetBSD: llabs.S,v 1.6 2013/07/16 21:48:32 matt Exp $	*/
2e4d7c2e3Skleink
3e4d7c2e3Skleink/*-
4e4d7c2e3Skleink * Copyright (c) 1990 The Regents of the University of California.
5e4d7c2e3Skleink * All rights reserved.
6e4d7c2e3Skleink *
7e4d7c2e3Skleink * This code is derived from software contributed to Berkeley by
8e4d7c2e3Skleink * the Systems Programming Group of the University of Utah Computer
9e4d7c2e3Skleink * Science Department.
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
36e4d7c2e3Skleink#include <machine/asm.h>
37e4d7c2e3Skleink
38e4d7c2e3Skleink#if defined(LIBC_SCCS) && !defined(lint)
39e4d7c2e3Skleink#if 0
40e4d7c2e3Skleink	RCSID("from: @(#)abs.s	5.1 (Berkeley) 5/12/90")
41e4d7c2e3Skleink#else
42*3eefa8daSmatt	RCSID("$NetBSD: llabs.S,v 1.6 2013/07/16 21:48:32 matt Exp $")
43e4d7c2e3Skleink#endif
44e4d7c2e3Skleink#endif /* LIBC_SCCS and not lint */
45e4d7c2e3Skleink
463529d6d1SkleinkWEAK_ALIAS(llabs, _llabs)
47cac8e449SmattWEAK_ALIAS(imaxabs, _llabs)
48*3eefa8daSmatt
49e4d7c2e3Skleink/* llabs - long long int absolute value */
50e4d7c2e3Skleink
513529d6d1SkleinkENTRY(_llabs)
526b3f37edSmatt	movl	8(%sp),%d1
536b3f37edSmatt	movl	4(%sp),%d0
54e4d7c2e3Skleink	jge	L1
55e4d7c2e3Skleink	negl	%d1
56e4d7c2e3Skleink	negxl	%d0
57e4d7c2e3SkleinkL1:
58e4d7c2e3Skleink	rts
59*3eefa8daSmattEND(_llabs)
60