1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (C) 2018 Free Software Foundation, Inc. |
4 | */ |
5 | |
6 | #include <linux/linkage.h> |
7 | #include <linux/export.h> |
8 | |
9 | SYM_FUNC_START(__lshrti3) |
10 | beqz a2, .L1 |
11 | li a5,64 |
12 | sub a5,a5,a2 |
13 | sext.w a4,a5 |
14 | blez a5, .L2 |
15 | sext.w a2,a2 |
16 | srl a0,a0,a2 |
17 | sll a4,a1,a4 |
18 | srl a2,a1,a2 |
19 | or a0,a0,a4 |
20 | mv a1,a2 |
21 | .L1: |
22 | ret |
23 | .L2: |
24 | negw a0,a4 |
25 | li a2,0 |
26 | srl a0,a1,a0 |
27 | mv a1,a2 |
28 | ret |
29 | SYM_FUNC_END(__lshrti3) |
30 | EXPORT_SYMBOL(__lshrti3) |
31 | |
32 | SYM_FUNC_START(__ashrti3) |
33 | beqz a2, .L3 |
34 | li a5,64 |
35 | sub a5,a5,a2 |
36 | sext.w a4,a5 |
37 | blez a5, .L4 |
38 | sext.w a2,a2 |
39 | srl a0,a0,a2 |
40 | sll a4,a1,a4 |
41 | sra a2,a1,a2 |
42 | or a0,a0,a4 |
43 | mv a1,a2 |
44 | .L3: |
45 | ret |
46 | .L4: |
47 | negw a0,a4 |
48 | srai a2,a1,0x3f |
49 | sra a0,a1,a0 |
50 | mv a1,a2 |
51 | ret |
52 | SYM_FUNC_END(__ashrti3) |
53 | EXPORT_SYMBOL(__ashrti3) |
54 | |
55 | SYM_FUNC_START(__ashlti3) |
56 | beqz a2, .L5 |
57 | li a5,64 |
58 | sub a5,a5,a2 |
59 | sext.w a4,a5 |
60 | blez a5, .L6 |
61 | sext.w a2,a2 |
62 | sll a1,a1,a2 |
63 | srl a4,a0,a4 |
64 | sll a2,a0,a2 |
65 | or a1,a1,a4 |
66 | mv a0,a2 |
67 | .L5: |
68 | ret |
69 | .L6: |
70 | negw a1,a4 |
71 | li a2,0 |
72 | sll a1,a0,a1 |
73 | mv a0,a2 |
74 | ret |
75 | SYM_FUNC_END(__ashlti3) |
76 | EXPORT_SYMBOL(__ashlti3) |
77 | |