mirror of git://gcc.gnu.org/git/gcc.git
61 lines
843 B
C
61 lines
843 B
C
extern void abort (void);
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extern int omp_get_num_threads (void);
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struct Y
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{
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int l[5][10];
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};
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struct X
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{
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struct Y y;
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float b[10];
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};
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void
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parallel (int a, int b)
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{
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int i, j;
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struct X A[10][5];
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a = b = 3;
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for (i = 0; i < 10; i++)
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for (j = 0; j < 5; j++)
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A[i][j].y.l[3][3] = -10;
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#pragma omp parallel shared (a, b, A) num_threads (5)
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{
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int i, j;
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#pragma omp atomic
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a += omp_get_num_threads ();
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#pragma omp atomic
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b += omp_get_num_threads ();
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#pragma omp for private (j)
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for (i = 0; i < 10; i++)
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for (j = 0; j < 5; j++)
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A[i][j].y.l[3][3] += 20;
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}
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for (i = 0; i < 10; i++)
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for (j = 0; j < 5; j++)
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if (A[i][j].y.l[3][3] != 10)
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abort ();
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if (a != 28)
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abort ();
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if (b != 28)
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abort ();
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}
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int
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main()
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{
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parallel (1, 2);
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return 0;
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}
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