/* { dg-do run } */ /* Test target enter data and target update to the target using map iterators. */ #include #define DIM1 8 #define DIM2 15 int mkarray (int *x[]) { int expected = 0; for (int i = 0; i < DIM1; i++) { x[i] = (int *) malloc (DIM2 * sizeof (int)); for (int j = 0; j < DIM2; j++) { x[i][j] = rand (); expected += x[i][j]; } } return expected; } int main (void) { int *x[DIM1]; int sum; int expected = mkarray (x); #pragma omp target enter data map(to: x[:DIM1]) #pragma omp target enter data map(iterator(i=0:DIM1), to: x[i][:DIM2]) #pragma omp target map(from: sum) { sum = 0; for (int i = 0; i < DIM1; i++) for (int j = 0; j < DIM2; j++) sum += x[i][j]; } if (sum != expected) return 1; expected = 0; for (int i = 0; i < DIM1; i++) for (int j = 0; j < DIM2; j++) { x[i][j] *= rand (); expected += x[i][j]; } #pragma omp target update to(iterator(i=0:DIM1): x[i][:DIM2]) #pragma omp target map(from: sum) { sum = 0; for (int i = 0; i < DIM1; i++) for (int j = 0; j < DIM2; j++) sum += x[i][j]; } return sum != expected; }