/* $NetBSD: movstr_i4.S,v 1.5 2006/05/22 21:34:08 uwe Exp $ */
/*-
* Copyright (C) 2002 SHIMIZU Ryo. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <machine/asm.h>
NENTRY(__movstr_i4_odd)
add #-8,r4
nop
odd_loop:
mov.l @r5+,r0
add #8,r4
mov.l @r5+,r1
dt r6
mov.l r0,@(0,r4)
bf/s odd_loop
mov.l r1,@(4,r4)
mov.l @r5+,r0
mov.l @r5+,r1
mov.l @r5+,r2
mov.l r0,@(8,r4)
mov.l r1,@(12,r4)
rts
mov.l r2,@(16,r4)
NENTRY(__movstr_i4_even)
add #-8,r4
nop
even_loop:
mov.l @r5+,r0
add #8,r4
mov.l @r5+,r1
dt r6
mov.l r0,@(0,r4)
bf/s even_loop
mov.l r1,@(4,r4)
mov.l @r5+,r0
mov.l @r5+,r1
mov.l r0,@(8,r4)
rts
mov.l r1,@(12,r4)
/* gcc4 uses movmem, older versions use movstr */
_C_LABEL(__movmem_i4_odd) = _C_LABEL(__movstr_i4_odd)
_C_LABEL(__movmem_i4_even) = _C_LABEL(__movstr_i4_even)