extern void abort (void); struct S { int s; int *u; int v[5]; }; volatile int z; int main () { int u[10] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }, err = 0; struct S s = { 9, u + 3, { 10, 11, 12, 13, 14 } }; int *v = u + 4; #pragma omp target enter data map (to: s.s, s.u[0:5]) map (alloc: s.v[1:3]) s.s++; u[3]++; s.v[1]++; #pragma omp target update to (s.s) to (s.u[0:2], s.v[1:3]) #pragma omp target map (alloc: s.s, s.v[1:3]) map (from: err) { err = 0; if (s.s != 10 || s.v[1] != 12 || s.v[2] != 12 || s.v[3] != 13) err = 1; if (v[-1] != 4 || v[0] != 4 || v[1] != 5 || v[2] != 6 || v[3] != 7) err = 1; s.s++; s.v[2] += 2; v[-1] = 5; v[3] = 9; } if (err) abort (); #pragma omp target map (alloc: s.u[0:5]) { err = 0; if (s.u[0] != 5 || s.u[1] != 4 || s.u[2] != 5 || s.u[3] != 6 || s.u[4] != 9) err = 1; s.u[1] = 12; } #pragma omp target update from (s.s, s.u[0:5]) from (s.v[1:3]) if (err || s.s != 11 || u[0] != 0 || u[1] != 1 || u[2] != 2 || u[3] != 5 || u[4] != 12 || u[5] != 5 || u[6] != 6 || u[7] != 9 || u[8] != 8 || u[9] != 9 || s.v[0] != 10 || s.v[1] != 12 || s.v[2] != 14 || s.v[3] != 13 || s.v[4] != 14) abort (); #pragma omp target exit data map (release: s.s) #pragma omp target exit data map (release: s.u[0:5]) #pragma omp target exit data map (delete: s.v[1:3]) #pragma omp target exit data map (release: s.s) return 0; }