Home | History | Annotate | Line # | Download | only in stdlib
llabs.S revision 1.3.32.1
      1  1.3.32.1  wrstuden /*	$NetBSD: llabs.S,v 1.3.32.1 2008/09/18 04:39:20 wrstuden Exp $	*/
      2       1.1    kleink 
      3       1.1    kleink /*
      4       1.1    kleink  * Copyright (c) 1992, 1993
      5       1.1    kleink  *	The Regents of the University of California.  All rights reserved.
      6       1.1    kleink  *
      7       1.1    kleink  * This software was developed by the Computer Systems Engineering group
      8       1.1    kleink  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      9       1.1    kleink  * contributed to Berkeley.
     10       1.1    kleink  *
     11       1.1    kleink  * Redistribution and use in source and binary forms, with or without
     12       1.1    kleink  * modification, are permitted provided that the following conditions
     13       1.1    kleink  * are met:
     14       1.1    kleink  * 1. Redistributions of source code must retain the above copyright
     15       1.1    kleink  *    notice, this list of conditions and the following disclaimer.
     16       1.1    kleink  * 2. Redistributions in binary form must reproduce the above copyright
     17       1.1    kleink  *    notice, this list of conditions and the following disclaimer in the
     18       1.1    kleink  *    documentation and/or other materials provided with the distribution.
     19       1.3       agc  * 3. Neither the name of the University nor the names of its contributors
     20       1.1    kleink  *    may be used to endorse or promote products derived from this software
     21       1.1    kleink  *    without specific prior written permission.
     22       1.1    kleink  *
     23       1.1    kleink  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24       1.1    kleink  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25       1.1    kleink  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26       1.1    kleink  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27       1.1    kleink  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28       1.1    kleink  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29       1.1    kleink  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30       1.1    kleink  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31       1.1    kleink  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32       1.1    kleink  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33       1.1    kleink  * SUCH DAMAGE.
     34       1.1    kleink  *
     35       1.1    kleink  * from: Header: abs.s,v 1.1 91/07/06 18:01:57 torek Exp
     36       1.1    kleink  */
     37       1.1    kleink 
     38       1.1    kleink #include <machine/asm.h>
     39       1.1    kleink #if defined(LIBC_SCCS) && !defined(lint)
     40       1.1    kleink #if 0
     41       1.1    kleink 	.asciz "from: @(#)abs.s	8.1 (Berkeley) 6/4/93"
     42       1.1    kleink #else
     43  1.3.32.1  wrstuden 	RCSID("$NetBSD: llabs.S,v 1.3.32.1 2008/09/18 04:39:20 wrstuden Exp $")
     44       1.1    kleink #endif
     45       1.1    kleink #endif /* LIBC_SCCS and not lint */
     46       1.1    kleink 
     47       1.2    kleink #ifdef WEAK_ALIAS
     48       1.2    kleink WEAK_ALIAS(llabs, _llabs)
     49  1.3.32.1  wrstuden WEAK_ALIAS(imaxabs, _llabs)
     50       1.2    kleink #endif
     51       1.2    kleink 
     52       1.1    kleink /* llabs - long long int absolute value */
     53  1.3.32.1  wrstuden /* imaxabs - intmax_t absolute value */
     54       1.1    kleink 
     55       1.1    kleink 
     56       1.2    kleink #ifdef WEAK_ALIAS
     57       1.2    kleink ENTRY(_llabs)
     58       1.2    kleink #else
     59       1.1    kleink ENTRY(llabs)
     60       1.2    kleink #endif
     61       1.1    kleink 	tst	%o0
     62       1.1    kleink 	bge	1f
     63       1.1    kleink 	 nop
     64       1.1    kleink 	subcc	%g0, %o1, %o1
     65       1.1    kleink 	subx	%g0, %o0, %o0
     66       1.1    kleink 1:	retl
     67       1.1    kleink 	 nop
     68