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/* Test 'acc enter/exit data' regions with 'acc update'. */
/* { dg-do run } */
#include <stdlib.h>
int
main (int argc, char **argv)
{
int N = 128; //1024 * 1024;
float *a, *b, *c, *d, *e;
int i;
int nbytes;
nbytes = N * sizeof (float);
a = (float *) malloc (nbytes);
b = (float *) malloc (nbytes);
c = (float *) malloc (nbytes);
d = (float *) malloc (nbytes);
e = (float *) malloc (nbytes);
for (i = 0; i < N; i++)
{
a[i] = 3.0;
b[i] = 0.0;
}
#pragma acc enter data copyin (a[0:N]) copyin (b[0:N]) copyin (N) async
#pragma acc parallel present (a[0:N], b[0:N]) async wait
#pragma acc loop
for (i = 0; i < N; i++)
b[i] = a[i];
#pragma acc update host (a[0:N], b[0:N]) async wait
#pragma acc wait
for (i = 0; i < N; i++)
{
if (a[i] != 3.0)
abort ();
if (b[i] != 3.0)
abort ();
}
for (i = 0; i < N; i++)
{
a[i] = 2.0;
b[i] = 0.0;
}
#pragma acc update device (a[0:N], b[0:N]) async (1)
#pragma acc parallel present (a[0:N], b[0:N]) async (1)
#pragma acc loop
for (i = 0; i < N; i++)
b[i] = a[i];
#pragma acc update host (a[0:N], b[0:N]) async (1) wait (1)
#pragma acc wait (1)
for (i = 0; i < N; i++)
{
if (a[i] != 2.0)
abort ();
if (b[i] != 2.0)
abort ();
}
for (i = 0; i < N; i++)
{
a[i] = 3.0;
b[i] = 0.0;
c[i] = 0.0;
d[i] = 0.0;
}
#pragma acc update device (a[0:N]) async (1)
#pragma acc update device (b[0:N]) async (2)
#pragma acc enter data copyin (c[0:N], d[0:N]) async (3)
#pragma acc parallel present (a[0:N], b[0:N]) async (1) wait (1,2)
#pragma acc loop
for (i = 0; i < N; i++)
b[i] = (a[i] * a[i] * a[i]) / a[i];
#pragma acc parallel present (a[0:N], c[0:N]) async (2) wait (1,3)
#pragma acc loop
for (i = 0; i < N; i++)
c[i] = (a[i] + a[i] + a[i] + a[i]) / a[i];
#pragma acc parallel present (a[0:N], d[0:N]) async (3) wait (1,3)
#pragma acc loop
for (i = 0; i < N; i++)
d[i] = ((a[i] * a[i] + a[i]) / a[i]) - a[i];
#pragma acc update host (a[0:N], b[0:N], c[0:N], d[0:N]) async (1) wait (1,2,3)
#pragma acc wait (1)
for (i = 0; i < N; i++)
{
if (a[i] != 3.0)
abort ();
if (b[i] != 9.0)
abort ();
if (c[i] != 4.0)
abort ();
if (d[i] != 1.0)
abort ();
}
for (i = 0; i < N; i++)
{
a[i] = 2.0;
b[i] = 0.0;
c[i] = 0.0;
d[i] = 0.0;
e[i] = 0.0;
}
#pragma acc update device (a[0:N], b[0:N], c[0:N], d[0:N]) async (1)
#pragma acc enter data copyin (e[0:N]) async (5)
#pragma acc parallel present (a[0:N], b[0:N]) async (1) wait (1)
for (int ii = 0; ii < N; ii++)
b[ii] = (a[ii] * a[ii] * a[ii]) / a[ii];
#pragma acc parallel present (a[0:N], c[0:N]) async (2) wait (1)
for (int ii = 0; ii < N; ii++)
c[ii] = (a[ii] + a[ii] + a[ii] + a[ii]) / a[ii];
#pragma acc parallel present (a[0:N], d[0:N]) async (3) wait (1)
for (int ii = 0; ii < N; ii++)
d[ii] = ((a[ii] * a[ii] + a[ii]) / a[ii]) - a[ii];
#pragma acc parallel present (a[0:N], b[0:N], c[0:N], d[0:N], e[0:N]) \
wait (1, 2, 3, 5) async (4)
for (int ii = 0; ii < N; ii++)
e[ii] = a[ii] + b[ii] + c[ii] + d[ii];
#pragma acc exit data copyout (a[0:N]) copyout (b[0:N]) copyout (c[0:N]) \
copyout (d[0:N]) copyout (e[0:N]) wait (1, 2, 3, 4) async (1)
#pragma acc exit data delete (N) wait(1) async(2)
#pragma acc wait (2)
for (i = 0; i < N; i++)
{
if (a[i] != 2.0)
abort ();
if (b[i] != 4.0)
abort ();
if (c[i] != 4.0)
abort ();
if (d[i] != 1.0)
abort ();
if (e[i] != 11.0)
abort ();
}
free (a);
free (b);
free (c);
free (d);
free (e);
return 0;
}
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