Home | History | Annotate | Line # | Download | only in stdlib
abs.S revision 1.8 
      1  1.8     matt /*	$NetBSD: abs.S,v 1.8 2013/07/16 21:48:32 matt Exp $	*/
      2  1.2  thorpej 
      3  1.1   paulus /*-
      4  1.1   paulus  * Copyright (c) 1990 The Regents of the University of California.
      5  1.1   paulus  * All rights reserved.
      6  1.1   paulus  *
      7  1.1   paulus  * This code is derived from software contributed to Berkeley by
      8  1.1   paulus  * the Systems Programming Group of the University of Utah Computer
      9  1.1   paulus  * Science Department.
     10  1.1   paulus  *
     11  1.1   paulus  * Redistribution and use in source and binary forms, with or without
     12  1.1   paulus  * modification, are permitted provided that the following conditions
     13  1.1   paulus  * are met:
     14  1.1   paulus  * 1. Redistributions of source code must retain the above copyright
     15  1.1   paulus  *    notice, this list of conditions and the following disclaimer.
     16  1.1   paulus  * 2. Redistributions in binary form must reproduce the above copyright
     17  1.1   paulus  *    notice, this list of conditions and the following disclaimer in the
     18  1.1   paulus  *    documentation and/or other materials provided with the distribution.
     19  1.6      agc  * 3. Neither the name of the University nor the names of its contributors
     20  1.1   paulus  *    may be used to endorse or promote products derived from this software
     21  1.1   paulus  *    without specific prior written permission.
     22  1.1   paulus  *
     23  1.1   paulus  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  1.1   paulus  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  1.1   paulus  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  1.1   paulus  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  1.1   paulus  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  1.1   paulus  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  1.1   paulus  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  1.1   paulus  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  1.1   paulus  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  1.1   paulus  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  1.1   paulus  * SUCH DAMAGE.
     34  1.1   paulus  */
     35  1.1   paulus 
     36  1.3  thorpej #include <machine/asm.h>
     37  1.2  thorpej 
     38  1.1   paulus #if defined(LIBC_SCCS) && !defined(lint)
     39  1.2  thorpej #if 0
     40  1.2  thorpej 	RCSID("from: @(#)abs.s	5.1 (Berkeley) 5/12/90")
     41  1.2  thorpej #else
     42  1.8     matt 	RCSID("$NetBSD: abs.S,v 1.8 2013/07/16 21:48:32 matt Exp $")
     43  1.2  thorpej #endif
     44  1.1   paulus #endif /* LIBC_SCCS and not lint */
     45  1.5       is 
     46  1.5       is /* labs - long int absolute value */
     47  1.5       is 
     48  1.5       is ENTRY_NOPROFILE(labs)
     49  1.5       is /* fall through to: */
     50  1.1   paulus 
     51  1.1   paulus /* abs - int absolute value */
     52  1.1   paulus 
     53  1.1   paulus ENTRY(abs)
     54  1.7     matt 	movl	4(%sp),%d0
     55  1.1   paulus 	jge	L1
     56  1.4  thorpej 	negl	%d0
     57  1.1   paulus L1:
     58  1.1   paulus 	rts
     59  1.8     matt END(abs)
     60