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https://github.com/autc04/Retro68.git
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60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
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/* PR middle-end/66199 */
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/* { dg-do run } */
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/* { dg-options "-O2 -fopenmp" } */
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#pragma omp declare target
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int u[1024], v[1024], w[1024];
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#pragma omp end declare target
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__attribute__((noinline, noclone)) void
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f1 (long a, long b)
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{
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long d;
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#pragma omp target teams distribute parallel for simd default(none) firstprivate (a, b) shared(u, v, w)
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for (d = a; d < b; d++)
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u[d] = v[d] + w[d];
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}
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__attribute__((noinline, noclone)) void
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f2 (long a, long b, long c)
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{
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long d, e;
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#pragma omp target teams distribute parallel for simd default(none) firstprivate (a, b) shared(u, v, w) linear(d) linear(c:5) lastprivate(e)
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for (d = a; d < b; d++)
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{
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u[d] = v[d] + w[d];
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c += 5;
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e = c;
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}
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}
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__attribute__((noinline, noclone)) void
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f3 (long a1, long b1, long a2, long b2)
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{
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long d1, d2;
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#pragma omp target teams distribute parallel for simd default(none) firstprivate (a1, b1, a2, b2) shared(u, v, w) lastprivate(d1, d2) collapse(2)
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for (d1 = a1; d1 < b1; d1++)
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for (d2 = a2; d2 < b2; d2++)
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u[d1 * 32 + d2] = v[d1 * 32 + d2] + w[d1 * 32 + d2];
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}
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__attribute__((noinline, noclone)) void
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f4 (long a1, long b1, long a2, long b2)
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{
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long d1, d2;
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#pragma omp target teams distribute parallel for simd default(none) firstprivate (a1, b1, a2, b2) shared(u, v, w) collapse(2)
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for (d1 = a1; d1 < b1; d1++)
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for (d2 = a2; d2 < b2; d2++)
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u[d1 * 32 + d2] = v[d1 * 32 + d2] + w[d1 * 32 + d2];
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}
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int
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main ()
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{
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f1 (0, 1024);
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f2 (0, 1024, 17);
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f3 (0, 32, 0, 32);
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f4 (0, 32, 0, 32);
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return 0;
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}
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