mirror of git://gcc.gnu.org/git/gcc.git
120 lines
2.4 KiB
C
120 lines
2.4 KiB
C
extern
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#ifdef __cplusplus
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"C"
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#endif
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void abort (void);
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struct S { unsigned long long int s, t; };
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void
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rbar (struct S *p, struct S *o)
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{
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p->s = 1;
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if (o->t != 5)
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abort ();
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p->t = 9;
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}
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static inline void
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rbaz (struct S *o, struct S *i)
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{
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if (o->t != 5 || i->t != 9)
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abort ();
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o->s *= i->s;
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}
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#pragma omp declare reduction (+: struct S : omp_out.s += omp_in.s) \
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initializer (omp_priv = { 0, 3 })
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#pragma omp declare reduction (*: struct S : rbaz (&omp_out, &omp_in)) \
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initializer (rbar (&omp_priv, &omp_orig))
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struct S g = { 0, 7 };
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struct S h = { 1, 5 };
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int
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foo (int *a, int *b)
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{
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int x = 0;
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#pragma omp taskloop reduction (+:x) in_reduction (+:b[0])
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for (int i = 0; i < 64; i++)
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{
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x += a[i];
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*b += a[i] * 2;
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}
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return x;
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}
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unsigned long long int
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bar (int *a, unsigned long long int *b)
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{
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unsigned long long int x = 1;
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#pragma omp taskloop reduction (*:x) in_reduction (*:b[0])
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for (int i = 0; i < 64; i++)
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{
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#pragma omp task in_reduction (*:x)
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x *= a[i];
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#pragma omp task in_reduction (*:b[0])
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*b *= (3 - a[i]);
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}
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return x;
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}
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void
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baz (int i, int *a, int *c)
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{
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#pragma omp task in_reduction (*:h) in_reduction (+:g)
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{
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g.s += 7 * a[i];
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h.s *= (3 - c[i]);
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if ((g.t != 7 && g.t != 3) || (h.t != 5 && h.t != 9))
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abort ();
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}
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}
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int
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main ()
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{
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int i, j, a[64], b = 0, c[64];
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unsigned long long int d = 1, e;
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struct S m = { 0, 7 };
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for (i = 0; i < 64; i++)
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{
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a[i] = 2 * i;
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c[i] = 1 + ((i % 3) != 1);
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}
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#pragma omp parallel
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#pragma omp master
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{
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struct S n = { 1, 5 };
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#pragma omp taskgroup task_reduction (+:b)
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j = foo (a, &b);
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#pragma omp taskgroup task_reduction (*:d)
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e = bar (c, &d);
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#pragma omp taskloop reduction (+: g, m) reduction (*: h, n)
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for (i = 0; i < 64; ++i)
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{
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g.s += 3 * a[i];
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h.s *= (3 - c[i]);
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m.s += 4 * a[i];
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n.s *= c[i];
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if ((g.t != 7 && g.t != 3) || (h.t != 5 && h.t != 9)
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|| (m.t != 7 && m.t != 3) || (n.t != 5 && n.t != 9))
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abort ();
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baz (i, a, c);
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}
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if (n.s != (1ULL << 43) || n.t != 5)
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abort ();
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}
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if (j != 63 * 64 || b != 63 * 64 * 2)
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abort ();
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if (e != (1ULL << 43) || d != (1ULL << 21))
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abort ();
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if (g.s != 63 * 64 * 10 || g.t != 7)
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abort ();
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if (h.s != (1ULL << 42) || h.t != 5)
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abort ();
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if (m.s != 63 * 64 * 4 || m.t != 7)
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abort ();
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return 0;
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}
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