1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * linux/arch/arm/lib/ucmpdi2.S |
4 | * |
5 | * Author: Nicolas Pitre |
6 | * Created: Oct 19, 2005 |
7 | * Copyright: Monta Vista Software, Inc. |
8 | */ |
9 | |
10 | #include <linux/linkage.h> |
11 | #include <asm/assembler.h> |
12 | |
13 | #ifdef __ARMEB__ |
14 | #define xh r0 |
15 | #define xl r1 |
16 | #define yh r2 |
17 | #define yl r3 |
18 | #else |
19 | #define xl r0 |
20 | #define xh r1 |
21 | #define yl r2 |
22 | #define yh r3 |
23 | #endif |
24 | |
25 | ENTRY(__ucmpdi2) |
26 | |
27 | cmp xh, yh |
28 | cmpeq xl, yl |
29 | movlo r0, #0 |
30 | moveq r0, #1 |
31 | movhi r0, #2 |
32 | ret lr |
33 | |
34 | ENDPROC(__ucmpdi2) |
35 | |
36 | #ifdef CONFIG_AEABI |
37 | |
38 | ENTRY(__aeabi_ulcmp) |
39 | |
40 | cmp xh, yh |
41 | cmpeq xl, yl |
42 | movlo r0, #-1 |
43 | moveq r0, #0 |
44 | movhi r0, #1 |
45 | ret lr |
46 | |
47 | ENDPROC(__aeabi_ulcmp) |
48 | |
49 | #endif |
50 | |
51 | |