Viewing file:  target-2.C (1.12 KB) -rw-r--r--
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// { dg-additional-sources "target-2-aux.cc" }
extern "C" void abort (void);
void
fn1 (double *x, double *y, int z)
{
int i;
for (i = 0; i < z; i++)
{
x[i] = i & 31;
y[i] = (i & 63) - 30;
}
}
double b[1024];
double (&br) [1024] = b;
double cbuf[1024];
double *c = cbuf;
double *&cr = c;
extern double (&fr) [1024];
extern double *&gr;
double
fn2 (int x, double (&dr) [1024], double *&er)
{
double s = 0;
double h[1024];
double (&hr) [1024] = h;
double ibuf[1024];
double *i = ibuf;
double *&ir = i;
int j;
fn1 (hr + 2 * x, ir + 2 * x, x);
#pragma omp target map(to: br[:x], cr[0:x], dr[x:x], er[x:x]) \
map(to: fr[0:x], gr[0:x], hr[2 * x:x], ir[2 * x:x]) \
map(tofrom: s)
#pragma omp parallel for reduction(+:s)
for (j = 0; j < x; j++)
s += br[j] * cr[j] + dr[x + j] + er[x + j]
+ fr[j] + gr[j] + hr[2 * x + j] + ir[2 * x + j];
return s;
}
int
main ()
{
double d[1024];
double ebuf[1024];
double *e = ebuf;
fn1 (br, cr, 128);
fn1 (d + 128, e + 128, 128);
fn1 (fr, gr, 128);
double h = fn2 (128, d, e);
if (h != 20416.0)
abort ();
return 0;
}
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