llabs.S revision 1.4
11.4Smatt/*	$NetBSD: llabs.S,v 1.4 2008/08/04 21:29:28 matt Exp $	*/
21.1Skleink
31.1Skleink/*-
41.1Skleink * Copyright (c) 1990 The Regents of the University of California.
51.1Skleink * All rights reserved.
61.1Skleink *
71.1Skleink * This code is derived from software contributed to Berkeley by
81.1Skleink * the Systems Programming Group of the University of Utah Computer
91.1Skleink * Science Department.
101.1Skleink *
111.1Skleink * Redistribution and use in source and binary forms, with or without
121.1Skleink * modification, are permitted provided that the following conditions
131.1Skleink * are met:
141.1Skleink * 1. Redistributions of source code must retain the above copyright
151.1Skleink *    notice, this list of conditions and the following disclaimer.
161.1Skleink * 2. Redistributions in binary form must reproduce the above copyright
171.1Skleink *    notice, this list of conditions and the following disclaimer in the
181.1Skleink *    documentation and/or other materials provided with the distribution.
191.3Sagc * 3. Neither the name of the University nor the names of its contributors
201.1Skleink *    may be used to endorse or promote products derived from this software
211.1Skleink *    without specific prior written permission.
221.1Skleink *
231.1Skleink * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
241.1Skleink * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
251.1Skleink * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
261.1Skleink * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
271.1Skleink * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
281.1Skleink * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
291.1Skleink * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
301.1Skleink * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
311.1Skleink * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
321.1Skleink * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
331.1Skleink * SUCH DAMAGE.
341.1Skleink */
351.1Skleink
361.1Skleink#include <machine/asm.h>
371.1Skleink
381.1Skleink#if defined(LIBC_SCCS) && !defined(lint)
391.1Skleink#if 0
401.1Skleink	RCSID("from: @(#)abs.s	5.1 (Berkeley) 5/12/90")
411.1Skleink#else
421.4Smatt	RCSID("$NetBSD: llabs.S,v 1.4 2008/08/04 21:29:28 matt Exp $")
431.1Skleink#endif
441.1Skleink#endif /* LIBC_SCCS and not lint */
451.1Skleink
461.2Skleink#ifdef WEAK_ALIAS
471.2SkleinkWEAK_ALIAS(llabs, _llabs)
481.4SmattWEAK_ALIAS(imaxabs, _llabs)
491.2Skleink#endif
501.1Skleink/* llabs - long long int absolute value */
511.1Skleink
521.2Skleink#ifdef WEAK_ALIAS
531.2SkleinkENTRY(_llabs)
541.2Skleink#else
551.1SkleinkENTRY(llabs)
561.2Skleink#endif
571.1Skleink	movl	%sp@(8),%d1
581.1Skleink	movl	%sp@(4),%d0
591.1Skleink	jge	L1
601.1Skleink	negl	%d1
611.1Skleink	negxl	%d0
621.1SkleinkL1:
631.1Skleink	rts
64