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
|
/*
*
* This is a C file for a reason. The Sun C++ compiler does not accept
* inline assembler.
*
* Portions of this code are based on atomic operations found in the
* linux kernel source code.
*/
#if defined (ACE_INCLUDE_ATOMIC_OP_SPARC)
#if defined(__i386) && defined(__SUNPRO_C)
static void
__sunpro_asm_code() {
__asm("\n\
.globl ace_atomic_add_long \n\
.type ace_atomic_add_long,@function \n\
.align 4 \n\
ace_atomic_add_long: \n\
movl 0x00000004(%esp), %edx \n\
movl 0x00000008(%esp), %eax \n\
lock; xadd %eax, (%edx) \n\
addl 0x00000008(%esp), %eax \n\
ret \n\
");
__asm("\n\
.globl ace_atomic_swap_long \n\
.type ace_atomic_swap_long,@function \n\
.align 4 \n\
ace_atomic_swap_long: \n\
movl 0x00000004(%esp), %edx \n\
movl 0x00000008(%esp), %eax \n\
xchg %eax, (%edx) \n\
ret \n\
");
__asm("\n\
.globl ace_atomic_swap_add_long \n\
.type ace_atomic_swap_add_long,@function \n\
.align 4 \n\
ace_atomic_swap_add_long: \n\
movl 0x00000004(%esp), %edx \n\
movl 0x00000008(%esp), %eax \n\
lock; xadd %eax, (%edx) \n\
ret \n\
");
}
#elif defined(__x86_64) && defined(__SUNPRO_C)
static void
__sunpro_asm_code() {
__asm("\n\
.globl ace_atomic_add_long \n\
.type ace_atomic_add_long,@function \n\
.align 16 \n\
ace_atomic_add_long: \n\
movq %rsi, %rax \n\
lock; xaddq %rax, (%rdi) \n\
addq %rsi, %rax \n\
ret \n\
");
__asm("\n\
.globl ace_atomic_swap_long \n\
.type ace_atomic_swap_long,@function \n\
.align 16 \n\
ace_atomic_swap_long: \n\
xchgq %rsi, (%rdi) \n\
movq %rsi, %rax \n\
ret \n\
");
__asm("\n\
.globl ace_atomic_swap_add_long \n\
.type ace_atomic_swap_add_long,@function \n\
.align 16 \n\
ace_atomic_swap_add_long: \n\
lock; xaddq %rsi, (%rdi) \n\
movq %rsi, %rax \n\
ret \n\
");
}
#elif defined (__sparcv9)
unsigned long
ace_atomic_add_long (volatile unsigned long *dest, long rhs)
{
__asm ("restore\n"
"ldx [%o0], %o2\n"
".again_add:\n"
"add %o2, %o1, %o3\n"
"casx [%o0], %o2, %o3\n"
"cmp %o2, %o3\n"
"bne,pn %xcc, .again_add\n"
"mov %o3, %o2\n"
"retl\n"
"add %o2, %o1, %o0\n");
}
unsigned long
ace_atomic_swap_long (volatile unsigned long *dest, unsigned long rhs)
{
__asm ("restore\n"
"ldx [%o0], %o2\n"
".again_swap:\n"
"mov %o1, %o3\n"
"casx [%o0], %o2, %o3\n"
"cmp %o2, %o3\n"
"bne,pn %xcc, .again_swap\n"
"mov %o3, %o2\n"
"retl\n"
"mov %o3, %o0\n");
}
unsigned long
ace_atomic_swap_add_long (volatile unsigned long *dest, long rhs)
{
__asm ("restore\n"
"ldx [%o0], %o2\n"
".again_swap_add:\n"
"mov %o2, %o4\n"
"add %o2, %o1, %o3\n"
"casx [%o0], %o2, %o3\n"
"cmp %o2, %o3\n"
"bne,pn %xcc, .again_swap_add\n"
"mov %o3, %o2\n"
"retl\n"
"mov %o4, %o0\n");
}
#else
unsigned long
ace_atomic_add_long (volatile unsigned long *dest, long rhs)
{
__asm ("restore\n"
"ld [%o0], %o2\n"
".again_add:\n"
"add %o2, %o1, %o3\n"
"cas [%o0], %o2, %o3\n"
"cmp %o2, %o3\n"
"bne,pn %icc, .again_add\n"
"mov %o3, %o2\n"
"retl\n"
"add %o2, %o1, %o0\n");
}
unsigned long
ace_atomic_swap_long (volatile unsigned long *dest, unsigned long rhs)
{
__asm ("restore\n"
"ld [%o0], %o2\n"
".again_swap:\n"
"mov %o1, %o3\n"
"cas [%o0], %o2, %o3\n"
"cmp %o2, %o3\n"
"bne,pn %icc, .again_swap\n"
"mov %o3, %o2\n"
"retl\n"
"mov %o3, %o0\n");
}
unsigned long
ace_atomic_swap_add_long (volatile unsigned long *dest, long rhs)
{
__asm ("restore\n"
"ld [%o0], %o2\n"
".again_swap_add:\n"
"mov %o2, %o4\n"
"add %o2, %o1, %o3\n"
"cas [%o0], %o2, %o3\n"
"cmp %o2, %o3\n"
"bne,pn %icc, .again_swap_add\n"
"mov %o3, %o2\n"
"retl\n"
"mov %o4, %o0\n");
}
# endif /* __sparcv9 */
#elif !defined (__GNUC__) && !defined (__INTEL_COMPILER)
/* Make compilers stop complaining about an empty translation unit */
static int shut_up_compiler = 0;
#endif /* ACE_INCLUDE_ATOMIC_OP_SPARC */
|
