char z[10] = { 0 }; __attribute__((noinline, noclone)) void foo (int (*&x)[3][2], int *y, long (&w)[1][2]) { unsigned long long a[9] = {}; short b[5] = {}; #pragma omp parallel for reduction(+:x[0:2][:][0:2], z[:4]) \ reduction(*:y[:3]) reduction(|:a[:4]) \ reduction(&:w[0:][:2]) reduction(max:b) for (int i = 0; i < 128; i++) { x[i / 64][i % 3][(i / 4) & 1] += i; if ((i & 15) == 1) y[0] *= 3; if ((i & 31) == 2) y[1] *= 7; if ((i & 63) == 3) y[2] *= 17; z[i / 32] += (i & 3); if (i < 4) z[i] += i; a[i / 32] |= 1ULL << (i & 30); w[0][i & 1] &= ~(1L << (i / 17 * 3)); if ((i % 79) > b[0]) b[0] = i % 79; if ((i % 13) > b[1]) b[1] = i % 13; if ((i % 23) > b[2]) b[2] = i % 23; if ((i % 85) > b[3]) b[3] = i % 85; if ((i % 192) > b[4]) b[4] = i % 192; } for (int i = 0; i < 9; i++) if (a[i] != (i < 4 ? 0x55555555ULL : 0)) __builtin_abort (); if (b[0] != 78 || b[1] != 12 || b[2] != 22 || b[3] != 84 || b[4] != 127) __builtin_abort (); } int a3[4][3][2]; int (*p3)[3][2] = &a3[1]; int y3[5] = { 0, 1, 1, 1, 0 }; long w3[1][2] = { ~0L, ~0L }; short bb[5]; struct S { int (*&x)[3][2]; int *y; long (&w)[1][2]; char z[10]; short (&b)[5]; unsigned long long a[9]; S() : x(p3), y(y3+1), w(w3), z(), a(), b(bb) {} __attribute__((noinline, noclone)) void foo (); }; void S::foo () { #pragma omp parallel for reduction(+:x[0:2][:][0:2], z[:4]) \ reduction(*:y[:3]) reduction(|:a[:4]) \ reduction(&:w[0:][:2]) reduction(max:b) for (int i = 0; i < 128; i++) { x[i / 64][i % 3][(i / 4) & 1] += i; if ((i & 15) == 1) y[0] *= 3; if ((i & 31) == 2) y[1] *= 7; if ((i & 63) == 3) y[2] *= 17; z[i / 32] += (i & 3); if (i < 4) z[i] += i; a[i / 32] |= 1ULL << (i & 30); w[0][i & 1] &= ~(1L << (i / 17 * 3)); if ((i % 79) > b[0]) b[0] = i % 79; if ((i % 13) > b[1]) b[1] = i % 13; if ((i % 23) > b[2]) b[2] = i % 23; if ((i % 85) > b[3]) b[3] = i % 85; if ((i % 192) > b[4]) b[4] = i % 192; } } int main () { int a[4][3][2] = {}; static int a2[4][3][2] = {{{ 0, 0 }, { 0, 0 }, { 0, 0 }}, {{ 312, 381 }, { 295, 356 }, { 337, 335 }}, {{ 1041, 975 }, { 1016, 1085 }, { 935, 1060 }}, {{ 0, 0 }, { 0, 0 }, { 0, 0 }}}; int (*p)[3][2] = &a[1]; int y[5] = { 0, 1, 1, 1, 0 }; int y2[5] = { 0, 6561, 2401, 289, 0 }; char z2[10] = { 48, 49, 50, 51, 0, 0, 0, 0, 0, 0 }; long w[1][2] = { ~0L, ~0L }; foo (p, y + 1, w); if (__builtin_memcmp (a, a2, sizeof (a)) || __builtin_memcmp (y, y2, sizeof (y)) || __builtin_memcmp (z, z2, sizeof (z)) || w[0][0] != ~0x249249L || w[0][1] != ~0x249249L) __builtin_abort (); S s; s.foo (); for (int i = 0; i < 9; i++) if (s.a[i] != (i < 4 ? 0x55555555ULL : 0)) __builtin_abort (); if (__builtin_memcmp (a3, a2, sizeof (a3)) || __builtin_memcmp (y3, y2, sizeof (y3)) || __builtin_memcmp (s.z, z2, sizeof (s.z)) || w3[0][0] != ~0x249249L || w3[0][1] != ~0x249249L) __builtin_abort (); if (bb[0] != 78 || bb[1] != 12 || bb[2] != 22 || bb[3] != 84 || bb[4] != 127) __builtin_abort (); }