79 lines
1.4 KiB
C
79 lines
1.4 KiB
C
/* { dg-do run } */
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#include <stdio.h>
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#pragma acc routine vector
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void __attribute__((noinline, noclone))
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Vector (int *ptr, int n, const int &inc)
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{
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#pragma acc loop vector
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for (unsigned ix = 0; ix < n; ix++)
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ptr[ix] += inc;
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}
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#pragma acc routine worker
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void __attribute__((noinline, noclone))
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Worker (int *ptr, int m, int n, const int &inc)
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{
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#pragma acc loop worker
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for (unsigned ix = 0; ix < m; ix++)
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Vector(ptr + ix * n, n, inc);
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}
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int
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main (void)
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{
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const int n = 32, m = 32;
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int ary[m][n];
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unsigned ix, iy;
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for (ix = m; ix--;)
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for (iy = n; iy--;)
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ary[ix][iy] = (ix << 8) + iy;
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#pragma acc parallel copy(ary)
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{
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Worker (&ary[0][0], m, n, 1 << 16);
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}
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int err = 0;
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for (ix = m; ix--;)
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for (iy = n; iy--;)
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if (ary[ix][iy] != ((1 << 16) + (ix << 8) + iy))
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{
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printf ("ary[%u][%u] = %x expected %x\n",
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ix, iy, ary[ix][iy], ((1 << 16) + (ix << 8) + iy));
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err++;
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}
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if (err)
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{
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printf ("%d failed\n", err);
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return 1;
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}
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#pragma acc parallel copy(ary)
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{
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Vector (&ary[0][0], m * n, (1 << 24) - (1 << 16));
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}
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for (ix = m; ix--;)
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for (iy = n; iy--;)
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if (ary[ix][iy] != ((1 << 24) + (ix << 8) + iy))
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{
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printf ("ary[%u][%u] = %x expected %x\n",
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ix, iy, ary[ix][iy], ((1 << 24) + (ix << 8) + iy));
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err++;
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}
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if (err)
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{
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printf ("%d failed\n", err);
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return 1;
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}
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return 0;
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}
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