mirror of git://gcc.gnu.org/git/gcc.git
59 lines
1.1 KiB
C
59 lines
1.1 KiB
C
// { dg-additional-sources "target-2-aux.cc" }
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extern "C" void abort (void);
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void
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fn1 (double *x, double *y, int z)
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{
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int i;
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for (i = 0; i < z; i++)
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{
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x[i] = i & 31;
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y[i] = (i & 63) - 30;
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}
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}
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double b[1024];
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double (&br) [1024] = b;
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double cbuf[1024];
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double *c = cbuf;
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double *&cr = c;
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extern double (&fr) [1024];
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extern double *&gr;
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double
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fn2 (int x, double (&dr) [1024], double *&er)
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{
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double s = 0;
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double h[1024];
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double (&hr) [1024] = h;
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double ibuf[1024];
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double *i = ibuf;
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double *&ir = i;
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int j;
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fn1 (hr + 2 * x, ir + 2 * x, x);
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#pragma omp target map(to: br[:x], cr[0:x], dr[x:x], er[x:x]) \
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map(to: fr[0:x], gr[0:x], hr[2 * x:x], ir[2 * x:x]) \
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map(tofrom: s)
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#pragma omp parallel for reduction(+:s)
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for (j = 0; j < x; j++)
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s += br[j] * cr[j] + dr[x + j] + er[x + j]
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+ fr[j] + gr[j] + hr[2 * x + j] + ir[2 * x + j];
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return s;
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}
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int
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main ()
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{
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double d[1024];
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double ebuf[1024];
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double *e = ebuf;
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fn1 (br, cr, 128);
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fn1 (d + 128, e + 128, 128);
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fn1 (fr, gr, 128);
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double h = fn2 (128, d, e);
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if (h != 20416.0)
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abort ();
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return 0;
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}
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