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