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1 | /* Copyright (C) 2003-2022 Free Software Foundation, Inc. |
---|---|
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library 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 GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #ifdef __ASSEMBLER__ |
19 | |
20 | #define _IMP1 #1 |
21 | #define _IMM1 #-1 |
22 | #define _IMM4 #-4 |
23 | #define _IMM6 #-6 |
24 | #define _IMM8 #-8 |
25 | |
26 | #define INC(mem, reg) \ |
27 | .align 2; \ |
28 | mova 99f, r0; \ |
29 | mov r15, r1; \ |
30 | mov _IMM6, r15; \ |
31 | 98: mov.l mem, reg; \ |
32 | add _IMP1, reg; \ |
33 | mov.l reg, mem; \ |
34 | 99: mov r1, r15 |
35 | |
36 | #define DEC(mem, reg) \ |
37 | .align 2; \ |
38 | mova 99f, r0; \ |
39 | mov r15, r1; \ |
40 | mov _IMM6, r15; \ |
41 | 98: mov.l mem, reg; \ |
42 | add _IMM1, reg; \ |
43 | mov.l reg, mem; \ |
44 | 99: mov r1, r15 |
45 | |
46 | #define XADD(reg, mem, old, tmp) \ |
47 | .align 2; \ |
48 | mova 99f, r0; \ |
49 | nop; \ |
50 | mov r15, r1; \ |
51 | mov _IMM8, r15; \ |
52 | 98: mov.l mem, old; \ |
53 | mov reg, tmp; \ |
54 | add old, tmp; \ |
55 | mov.l tmp, mem; \ |
56 | 99: mov r1, r15 |
57 | |
58 | #define XCHG(reg, mem, old) \ |
59 | .align 2; \ |
60 | mova 99f, r0; \ |
61 | nop; \ |
62 | mov r15, r1; \ |
63 | mov _IMM4, r15; \ |
64 | 98: mov.l mem, old; \ |
65 | mov.l reg, mem; \ |
66 | 99: mov r1, r15 |
67 | |
68 | #define CMPXCHG(reg, mem, new, old) \ |
69 | .align 2; \ |
70 | mova 99f, r0; \ |
71 | nop; \ |
72 | mov r15, r1; \ |
73 | mov _IMM8, r15; \ |
74 | 98: mov.l mem, old; \ |
75 | cmp/eq old, reg; \ |
76 | bf 99f; \ |
77 | mov.l new, mem; \ |
78 | 99: mov r1, r15 |
79 | |
80 | #endif /* __ASSEMBLER__ */ |
81 |
Warning: This file is not a C or C++ file. It does not have highlighting.