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negsf2.S revision 1.6
      1  1.6  fredette /*	$NetBSD: negsf2.S,v 1.6 2001/05/18 15:13:04 fredette 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: @(#)negsf2.s	5.1 (Berkeley) 6/7/90")
     45  1.2   thorpej #else
     46  1.6  fredette 	RCSID("$NetBSD: negsf2.S,v 1.6 2001/05/18 15:13:04 fredette Exp $")
     47  1.2   thorpej #endif
     48  1.1    paulus #endif /* LIBC_SCCS and not lint */
     49  1.1    paulus 
     50  1.1    paulus /* -single */
     51  1.1    paulus ENTRY(__negsf2)
     52  1.6  fredette #if defined(__SVR4_ABI__) && defined(__HAVE_68881__)
     53  1.5   thorpej 	fnegs	%sp@(4),%fp0
     54  1.4    kleink #else
     55  1.5   thorpej 	movel	%sp@(4),%d0
     56  1.5   thorpej 	bchg	#31,%d0
     57  1.4    kleink #endif
     58  1.1    paulus 	rts
     59