mirror of
https://github.com/autc04/Retro68.git
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46 lines
930 B
C
46 lines
930 B
C
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/* { dg-do run } */
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/* { dg-options "-O2" } */
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/* { dg-additional-options "-std=c99" { target c } } */
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/* { dg-additional-options "-msse2" { target sse2_runtime } } */
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/* { dg-additional-options "-mavx" { target avx_runtime } } */
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#define N 1024
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long int u[N], m, n;
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__attribute__((noipa)) void
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foo (void)
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{
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int i;
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#pragma omp taskloop simd reduction (+:m) grainsize (64)
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for (i = 0; i < N; ++i)
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m += u[i];
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}
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__attribute__((noipa)) void
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bar (int x)
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{
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#pragma omp taskloop simd in_reduction (+:n) grainsize (64) nogroup
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for (int i = (x & 1) * (N / 2); i < (x & 1) * (N / 2) + (N / 2); i++)
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n += 2 * u[i];
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}
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int
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main ()
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{
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int i;
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for (i = 0; i < N; ++i)
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u[i] = i;
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#pragma omp parallel master
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{
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foo ();
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#pragma omp taskgroup task_reduction (+:n)
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{
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bar (0);
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bar (1);
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}
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}
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if (m != (long)(N - 1) * (N / 2) || n != (long)(N - 1) * N)
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__builtin_abort ();
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return 0;
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}
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