1;;  Copyright 2010  Free Software Foundation, Inc.
2;;  Contributed by Bernd Schmidt <bernds@codesourcery.com>.
3;;
4;; This program is free software; you can redistribute it and/or modify
5;; it under the terms of the GNU General Public License as published by
6;; the Free Software Foundation; either version 2 of the License, or
7;; (at your option) any later version.
8;;
9;; This program is distributed in the hope that it will be useful,
10;; but WITHOUT ANY WARRANTY; without even the implied warranty of
11;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12;; GNU General Public License for more details.
13;;
14;; You should have received a copy of the GNU General Public License
15;; along with this program; if not, write to the Free Software
16;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18#include <linux/linkage.h>
19
20	.text
21
22ENTRY(__c6xabi_strasgi)
23	;; This is essentially memcpy, with alignment known to be at least
24	;; 4, and the size a multiple of 4 greater than or equal to 28.
25	 ldw	.d2t1	*B4++, A0
26||	 mvk	.s2	16, B1
27	 ldw	.d2t1	*B4++, A1
28||	 mvk	.s2	20, B2
29||	 sub	.d1	A6, 24, A6
30	 ldw	.d2t1	*B4++, A5
31	 ldw	.d2t1	*B4++, A7
32||	 mv	.l2x	A6, B7
33	 ldw	.d2t1	*B4++, A8
34	 ldw	.d2t1	*B4++, A9
35||	 mv	.s2x	A0, B5
36||	 cmpltu	.l2	B2, B7, B0
37
38_strasgi_loop:
39	 stw	.d1t2	B5, *A4++
40|| [B0]	 ldw	.d2t1	*B4++, A0
41||	 mv	.s2x	A1, B5
42||	 mv	.l2	B7, B6
43
44   [B0]	 sub	.d2	B6, 24, B7
45|| [B0]	 b	.s2	_strasgi_loop
46||	 cmpltu	.l2	B1, B6, B0
47
48   [B0]	 ldw	.d2t1	*B4++, A1
49||	 stw	.d1t2	B5, *A4++
50||	 mv	.s2x	A5, B5
51||	 cmpltu	.l2	12, B6, B0
52
53   [B0]	 ldw	.d2t1	*B4++, A5
54||	 stw	.d1t2	B5, *A4++
55||	 mv	.s2x	A7, B5
56||	 cmpltu	.l2	8, B6, B0
57
58   [B0]	 ldw	.d2t1	*B4++, A7
59||	 stw	.d1t2	B5, *A4++
60||	 mv	.s2x	A8, B5
61||	 cmpltu	.l2	4, B6, B0
62
63   [B0]	 ldw	.d2t1	*B4++, A8
64||	 stw	.d1t2	B5, *A4++
65||	 mv	.s2x	A9, B5
66||	 cmpltu	.l2	0, B6, B0
67
68   [B0]	 ldw	.d2t1	*B4++, A9
69||	 stw	.d1t2	B5, *A4++
70||	 mv	.s2x	A0, B5
71||	 cmpltu	.l2	B2, B7, B0
72
73	;; loop back branch happens here
74
75	 cmpltu	.l2	B1, B6, B0
76||	 ret	.s2	b3
77
78   [B0]	 stw	.d1t1	A1, *A4++
79||	 cmpltu	.l2	12, B6, B0
80   [B0]	 stw	.d1t1	A5, *A4++
81||	 cmpltu	.l2	8, B6, B0
82   [B0]	 stw	.d1t1	A7, *A4++
83||	 cmpltu	.l2	4, B6, B0
84   [B0]	 stw	.d1t1	A8, *A4++
85||	 cmpltu	.l2	0, B6, B0
86   [B0]	 stw	.d1t1	A9, *A4++
87
88	;; return happens here
89ENDPROC(__c6xabi_strasgi)
90