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
|
/* PR middle-end/33880 */
/* { dg-do run } */
extern void abort (void);
void
test1 (void)
{
int i = 0, j = 0;
void bar (void)
{
i++;
j++;
}
bar ();
#pragma omp parallel for num_threads(4)
for (i = 0; i < 100; i++)
#pragma omp atomic
j += 1;
if (j != 101)
abort ();
#pragma omp parallel for lastprivate(i) num_threads(2)
for (i = 0; i < 100; i++)
#pragma omp atomic
j += 1;
if (i != 100)
abort ();
i = 3;
bar ();
if (j != 202)
abort ();
if (i != 4)
abort ();
}
void
test2 (void)
{
int i = -1, j = 99, k, l = 9, m = 0;
void bar (void)
{
i++;
j++;
l++;
m++;
}
bar ();
#pragma omp parallel for num_threads(4)
for (k = i; k < j; k += l)
#pragma omp atomic
m += 1;
bar ();
if (i != 1 || j != 101 || l != 11 || m != 12)
abort ();
}
void
test3 (void)
{
int i, j, k, l, m;
void bar (void)
{
#pragma omp parallel for num_threads(4)
for (i = j; i < k; i += l)
#pragma omp atomic
m += 1;
}
void baz (void)
{
#pragma omp parallel for num_threads(2) lastprivate(i)
for (i = j; i < k * 2; i += l / 2)
#pragma omp atomic
m += 1;
}
i = 7;
j = 0;
k = 100;
l = 2;
m = 0;
bar ();
if (j != 0 || k != 100 || l != 2 || m != 50)
abort ();
baz ();
if (i != 200 || j != 0 || k != 100 || l != 2 || m != 250)
abort ();
}
void
test4 (void)
{
int i, j, k, l, m = 0;
int foo (void)
{
return j;
}
int bar (void)
{
return k;
}
int baz (void)
{
return l;
}
j = 0;
k = 1000;
l = 2;
#pragma omp parallel for num_threads(8) lastprivate(i)
for (i = foo (); i < bar (); i += baz ())
#pragma omp atomic
m += 1;
if (i != 1000 || m != 500 || j != 0 || k != 1000 || l != 2)
abort ();
}
int
main (void)
{
test1 ();
test2 ();
test3 ();
test4 ();
return 0;
}
|
