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1a59d1b8 | 1 | ;; SPDX-License-Identifier: GPL-2.0-or-later |
09831ca7 AJ |
2 | ;; Copyright 2010 Free Software Foundation, Inc. |
3 | ;; Contributed by Bernd Schmidt <bernds@codesourcery.com>. | |
4 | ;; | |
09831ca7 AJ |
5 | |
6 | #include <linux/linkage.h> | |
7 | ||
8 | .text | |
9 | ||
10 | ENTRY(__c6xabi_strasgi) | |
11 | ;; This is essentially memcpy, with alignment known to be at least | |
12 | ;; 4, and the size a multiple of 4 greater than or equal to 28. | |
13 | ldw .d2t1 *B4++, A0 | |
14 | || mvk .s2 16, B1 | |
15 | ldw .d2t1 *B4++, A1 | |
16 | || mvk .s2 20, B2 | |
17 | || sub .d1 A6, 24, A6 | |
18 | ldw .d2t1 *B4++, A5 | |
19 | ldw .d2t1 *B4++, A7 | |
20 | || mv .l2x A6, B7 | |
21 | ldw .d2t1 *B4++, A8 | |
22 | ldw .d2t1 *B4++, A9 | |
23 | || mv .s2x A0, B5 | |
24 | || cmpltu .l2 B2, B7, B0 | |
25 | ||
26 | _strasgi_loop: | |
27 | stw .d1t2 B5, *A4++ | |
28 | || [B0] ldw .d2t1 *B4++, A0 | |
29 | || mv .s2x A1, B5 | |
30 | || mv .l2 B7, B6 | |
31 | ||
32 | [B0] sub .d2 B6, 24, B7 | |
33 | || [B0] b .s2 _strasgi_loop | |
34 | || cmpltu .l2 B1, B6, B0 | |
35 | ||
36 | [B0] ldw .d2t1 *B4++, A1 | |
37 | || stw .d1t2 B5, *A4++ | |
38 | || mv .s2x A5, B5 | |
39 | || cmpltu .l2 12, B6, B0 | |
40 | ||
41 | [B0] ldw .d2t1 *B4++, A5 | |
42 | || stw .d1t2 B5, *A4++ | |
43 | || mv .s2x A7, B5 | |
44 | || cmpltu .l2 8, B6, B0 | |
45 | ||
46 | [B0] ldw .d2t1 *B4++, A7 | |
47 | || stw .d1t2 B5, *A4++ | |
48 | || mv .s2x A8, B5 | |
49 | || cmpltu .l2 4, B6, B0 | |
50 | ||
51 | [B0] ldw .d2t1 *B4++, A8 | |
52 | || stw .d1t2 B5, *A4++ | |
53 | || mv .s2x A9, B5 | |
54 | || cmpltu .l2 0, B6, B0 | |
55 | ||
56 | [B0] ldw .d2t1 *B4++, A9 | |
57 | || stw .d1t2 B5, *A4++ | |
58 | || mv .s2x A0, B5 | |
59 | || cmpltu .l2 B2, B7, B0 | |
60 | ||
61 | ;; loop back branch happens here | |
62 | ||
63 | cmpltu .l2 B1, B6, B0 | |
64 | || ret .s2 b3 | |
65 | ||
66 | [B0] stw .d1t1 A1, *A4++ | |
67 | || cmpltu .l2 12, B6, B0 | |
68 | [B0] stw .d1t1 A5, *A4++ | |
69 | || cmpltu .l2 8, B6, B0 | |
70 | [B0] stw .d1t1 A7, *A4++ | |
71 | || cmpltu .l2 4, B6, B0 | |
72 | [B0] stw .d1t1 A8, *A4++ | |
73 | || cmpltu .l2 0, B6, B0 | |
74 | [B0] stw .d1t1 A9, *A4++ | |
75 | ||
76 | ;; return happens here | |
77 | ENDPROC(__c6xabi_strasgi) |