1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
START_FILE
#ifdef __linux__
#include <sys/asm.h>
#else
#include <asm.h>
#endif
#include <regdef.h>
TEXT
ALIGN(8)
LEAF(opal_atomic_mb)
#ifdef __linux__
.set mips2
#endif
sync
#ifdef __linux__
.set mips0
#endif
j ra
END(opal_atomic_mb)
ALIGN(8)
LEAF(opal_atomic_rmb)
#ifdef __linux__
.set mips2
#endif
sync
#ifdef __linux__
.set mips0
#endif
j ra
END(opal_atomic_rmb)
LEAF(opal_atomic_wmb)
#ifdef __linux__
.set mips2
#endif
sync
#ifdef __linux__
.set mips0
#endif
j ra
END(opal_atomic_wmb)
LEAF(opal_atomic_cmpset_32)
.set noreorder
retry1:
#ifdef __linux__
.set mips2
#endif
ll $3, 0($4)
#ifdef __linux__
.set mips0
#endif
bne $3, $5, done1
or $2, $6, 0
#ifdef __linux__
.set mips2
#endif
sc $2, 0($4)
#ifdef __linux__
.set mips0
#endif
beqz $2, retry1
done1:
xor $3,$3,$5
j ra
sltu $2,$3,1
.set reorder
END(opal_atomic_cmpset_32)
LEAF(opal_atomic_cmpset_acq_32)
.set noreorder
retry2:
#ifdef __linux__
.set mips2
#endif
ll $3, 0($4)
#ifdef __linux__
.set mips0
#endif
bne $3, $5, done2
or $2, $6, 0
#ifdef __linux__
.set mips2
#endif
sc $2, 0($4)
#ifdef __linux__
.set mips0
#endif
beqz $2, retry2
done2:
#ifdef __linux__
.set mips2
#endif
sync
#ifdef __linux__
.set mips0
#endif
xor $3,$3,$5
j ra
sltu $2,$3,1
.set reorder
END(opal_atomic_cmpset_acq_32)
LEAF(opal_atomic_cmpset_rel_32)
.set noreorder
#ifdef __linux__
.set mips2
#endif
sync
#ifdef __linux__
.set mips0
#endif
retry3:
#ifdef __linux__
.set mips2
#endif
ll $3, 0($4)
#ifdef __linux__
.set mips0
#endif
bne $3, $5, done3
or $2, $6, 0
#ifdef __linux__
.set mips2
#endif
sc $2, 0($4)
#ifdef __linux__
.set mips0
#endif
beqz $2, retry3
done3:
xor $3,$3,$5
j ra
sltu $2,$3,1
.set reorder
END(opal_atomic_cmpset_rel_32)
#ifdef __mips64
LEAF(opal_atomic_cmpset_64)
.set noreorder
retry4:
lld $3, 0($4)
bne $3, $5, done4
or $2, $6, 0
scd $2, 0($4)
beqz $2, retry4
done4:
xor $3,$3,$5
j ra
sltu $2,$3,1
.set reorder
END(opal_atomic_cmpset_64)
LEAF(opal_atomic_cmpset_acq_64)
.set noreorder
retry5:
lld $3, 0($4)
bne $3, $5, done5
or $2, $6, 0
scd $2, 0($4)
beqz $2, retry5
done5:
sync
xor $3,$3,$5
j ra
sltu $2,$3,1
.set reorder
END(opal_atomic_cmpset_acq_64)
LEAF(opal_atomic_cmpset_rel_64)
.set noreorder
sync
retry6:
lld $3, 0($4)
bne $3, $5, done6
or $2, $6, 0
scd $2, 0($4)
beqz $2, retry6
done6:
xor $3,$3,$5
j ra
sltu $2,$3,1
.set reorder
END(opal_atomic_cmpset_rel_64)
#endif /* __mips64 */
|
