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byte_swap_4.S revision 1.2.12.2 
      1       1.1   bouyer /*
      2       1.1   bouyer  * Copyright (c) 1983, 1993
      3       1.1   bouyer  *	The Regents of the University of California.  All rights reserved.
      4       1.1   bouyer  *
      5       1.1   bouyer  * Redistribution and use in source and binary forms, with or without
      6       1.1   bouyer  * modification, are permitted provided that the following conditions
      7       1.1   bouyer  * are met:
      8       1.1   bouyer  * 1. Redistributions of source code must retain the above copyright
      9       1.1   bouyer  *    notice, this list of conditions and the following disclaimer.
     10       1.1   bouyer  * 2. Redistributions in binary form must reproduce the above copyright
     11       1.1   bouyer  *    notice, this list of conditions and the following disclaimer in the
     12       1.1   bouyer  *    documentation and/or other materials provided with the distribution.
     13       1.1   bouyer  * 3. All advertising materials mentioning features or use of this software
     14       1.1   bouyer  *    must display the following acknowledgement:
     15       1.1   bouyer  *	This product includes software developed by the University of
     16       1.1   bouyer  *	California, Berkeley and its contributors.
     17       1.1   bouyer  * 4. Neither the name of the University nor the names of its contributors
     18       1.1   bouyer  *    may be used to endorse or promote products derived from this software
     19       1.1   bouyer  *    without specific prior written permission.
     20       1.1   bouyer  *
     21       1.1   bouyer  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22       1.1   bouyer  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23       1.1   bouyer  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24       1.1   bouyer  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25       1.1   bouyer  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26       1.1   bouyer  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27       1.1   bouyer  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28       1.1   bouyer  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29       1.1   bouyer  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30       1.1   bouyer  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31       1.1   bouyer  * SUCH DAMAGE.
     32       1.1   bouyer  */
     33       1.1   bouyer 
     34       1.1   bouyer #if defined(LIBC_SCCS) && !defined(lint)
     35       1.1   bouyer 	/* .asciz "@(#)htonl.s	8.1 (Berkeley) 6/4/93" */
     36  1.2.12.2  nathanw 	.asciz "$NetBSD: byte_swap_4.S,v 1.2.12.2 2002/03/22 20:41:56 nathanw Exp $"
     37       1.1   bouyer #endif /* LIBC_SCCS and not lint */
     38       1.1   bouyer 
     39       1.1   bouyer #include "DEFS.h"
     40       1.1   bouyer 
     41       1.2    ragge ALTENTRY(ntohl)
     42       1.2    ragge ALTENTRY(htonl)
     43       1.1   bouyer ENTRY(__bswap32, 0)
     44  1.2.12.1  nathanw 	rotl	$-8,4(%ap),%r0
     45  1.2.12.1  nathanw 	insv	%r0,$16,$8,%r0
     46  1.2.12.1  nathanw 	movb	7(%ap),%r0
     47       1.1   bouyer 	ret
     48