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abs.S revision 1.3.6.1
      1  1.3.6.1  wrstuden /*	$NetBSD: abs.S,v 1.3.6.1 1999/12/27 18:29:32 wrstuden 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      1.1    paulus  * 3. All advertising materials mentioning features or use of this software
     20      1.1    paulus  *    must display the following acknowledgement:
     21      1.1    paulus  *	This product includes software developed by the University of
     22      1.1    paulus  *	California, Berkeley and its contributors.
     23      1.1    paulus  * 4. Neither the name of the University nor the names of its contributors
     24      1.1    paulus  *    may be used to endorse or promote products derived from this software
     25      1.1    paulus  *    without specific prior written permission.
     26      1.1    paulus  *
     27      1.1    paulus  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     28      1.1    paulus  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     29      1.1    paulus  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     30      1.1    paulus  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     31      1.1    paulus  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     32      1.1    paulus  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     33      1.1    paulus  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     34      1.1    paulus  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     35      1.1    paulus  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     36      1.1    paulus  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     37      1.1    paulus  * SUCH DAMAGE.
     38      1.1    paulus  */
     39      1.1    paulus 
     40      1.3   thorpej #include <machine/asm.h>
     41      1.2   thorpej 
     42      1.1    paulus #if defined(LIBC_SCCS) && !defined(lint)
     43      1.2   thorpej #if 0
     44      1.2   thorpej 	RCSID("from: @(#)abs.s	5.1 (Berkeley) 5/12/90")
     45      1.2   thorpej #else
     46  1.3.6.1  wrstuden 	RCSID("$NetBSD: abs.S,v 1.3.6.1 1999/12/27 18:29:32 wrstuden Exp $")
     47      1.2   thorpej #endif
     48      1.1    paulus #endif /* LIBC_SCCS and not lint */
     49      1.1    paulus 
     50      1.1    paulus /* abs - int absolute value */
     51      1.1    paulus 
     52      1.1    paulus ENTRY(abs)
     53  1.3.6.1  wrstuden 	movl	%sp@(4),%d0
     54      1.1    paulus 	jge	L1
     55  1.3.6.1  wrstuden 	negl	%d0
     56      1.1    paulus L1:
     57      1.1    paulus 	rts
     58