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movstr.S revision 1.8.2.2
      1  1.8.2.2  tron /*	$NetBSD: movstr.S,v 1.8.2.2 2006/05/24 15:50:42 tron Exp $	*/
      2  1.8.2.2  tron 
      3  1.8.2.2  tron /*-
      4  1.8.2.2  tron  * Copyright (C) 1999 Tsubai Masanari.  All rights reserved.
      5  1.8.2.2  tron  *
      6  1.8.2.2  tron  * Redistribution and use in source and binary forms, with or without
      7  1.8.2.2  tron  * modification, are permitted provided that the following conditions
      8  1.8.2.2  tron  * are met:
      9  1.8.2.2  tron  * 1. Redistributions of source code must retain the above copyright
     10  1.8.2.2  tron  *    notice, this list of conditions and the following disclaimer.
     11  1.8.2.2  tron  * 2. Redistributions in binary form must reproduce the above copyright
     12  1.8.2.2  tron  *    notice, this list of conditions and the following disclaimer in the
     13  1.8.2.2  tron  *    documentation and/or other materials provided with the distribution.
     14  1.8.2.2  tron  * 3. The name of the author may not be used to endorse or promote products
     15  1.8.2.2  tron  *    derived from this software without specific prior written permission.
     16  1.8.2.2  tron  *
     17  1.8.2.2  tron  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  1.8.2.2  tron  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  1.8.2.2  tron  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  1.8.2.2  tron  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  1.8.2.2  tron  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  1.8.2.2  tron  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  1.8.2.2  tron  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  1.8.2.2  tron  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  1.8.2.2  tron  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26  1.8.2.2  tron  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  1.8.2.2  tron  */
     28  1.8.2.2  tron 
     29  1.8.2.2  tron #include <machine/asm.h>
     30  1.8.2.2  tron 
     31  1.8.2.2  tron NENTRY(__movstr)
     32  1.8.2.2  tron 	mov	#16, r0
     33  1.8.2.2  tron 	cmp/gt	r0, r6
     34  1.8.2.2  tron 	bf	loop2
     35  1.8.2.2  tron 
     36  1.8.2.2  tron 	.align	2
     37  1.8.2.2  tron loop1:
     38  1.8.2.2  tron 	mov.l	@r5+, r0
     39  1.8.2.2  tron 	mov.l	r0, @r4
     40  1.8.2.2  tron 	mov.l	@r5+, r0
     41  1.8.2.2  tron 	mov.l	r0, @(4, r4)
     42  1.8.2.2  tron 	mov.l	@r5+, r0
     43  1.8.2.2  tron 	mov.l	r0, @(8, r4)
     44  1.8.2.2  tron 	mov.l	@r5+, r0
     45  1.8.2.2  tron 	mov.l	r0, @(12, r4)
     46  1.8.2.2  tron 	mov.l	@r5+, r0
     47  1.8.2.2  tron 	mov.l	r0, @(16, r4)
     48  1.8.2.2  tron 	mov.l	@r5+, r0
     49  1.8.2.2  tron 	mov.l	r0, @(20, r4)
     50  1.8.2.2  tron 	mov.l	@r5+, r0
     51  1.8.2.2  tron 	mov.l	r0, @(24, r4)
     52  1.8.2.2  tron 	mov.l	@r5+, r0
     53  1.8.2.2  tron 	mov.l	r0, @(28, r4)
     54  1.8.2.2  tron 	mov.l	@r5+, r0
     55  1.8.2.2  tron 	mov.l	r0, @(32, r4)
     56  1.8.2.2  tron 	mov.l	@r5+, r0
     57  1.8.2.2  tron 	mov.l	r0, @(36, r4)
     58  1.8.2.2  tron 	mov.l	@r5+, r0
     59  1.8.2.2  tron 	mov.l	r0, @(40, r4)
     60  1.8.2.2  tron 	mov.l	@r5+, r0
     61  1.8.2.2  tron 	mov.l	r0, @(44, r4)
     62  1.8.2.2  tron 	mov.l	@r5+, r0
     63  1.8.2.2  tron 	mov.l	r0, @(48, r4)
     64  1.8.2.2  tron 	mov.l	@r5+, r0
     65  1.8.2.2  tron 	mov.l	r0, @(52, r4)
     66  1.8.2.2  tron 	mov.l	@r5+, r0
     67  1.8.2.2  tron 	mov.l	r0, @(56, r4)
     68  1.8.2.2  tron 	mov.l	@r5+, r0
     69  1.8.2.2  tron 	mov.l	r0, @(60, r4)
     70  1.8.2.2  tron 	add	#-16, r6
     71  1.8.2.2  tron 	add	#64, r4
     72  1.8.2.2  tron 
     73  1.8.2.2  tron 	mov	#16, r0
     74  1.8.2.2  tron 	cmp/gt	r0, r6
     75  1.8.2.2  tron 	bt	loop1
     76  1.8.2.2  tron 
     77  1.8.2.2  tron loop2:
     78  1.8.2.2  tron 	add	#-32, r6
     79  1.8.2.2  tron 	.align	2
     80  1.8.2.2  tron 1:
     81  1.8.2.2  tron 	mov.l	@r5+, r0
     82  1.8.2.2  tron 	mov.l	r0, @r4
     83  1.8.2.2  tron 	add	#4, r4
     84  1.8.2.2  tron 	add	#1, r6
     85  1.8.2.2  tron 	tst	r6, r6
     86  1.8.2.2  tron 	bf	1b
     87  1.8.2.2  tron 
     88  1.8.2.2  tron 	rts
     89  1.8.2.2  tron 	 nop
     90  1.8.2.2  tron 
     91  1.8.2.2  tron 
     92  1.8.2.2  tron /* gcc4 uses movmem, older versions use movstr */
     93  1.8.2.2  tron STRONG_ALIAS(__movmem, __movstr)
     94