struct A { int t; }; struct B { char t; }; struct C { unsigned long long t; }; struct D { long t; }; void add (struct B *x, struct B *y) { x->t += y->t; } void zero (struct B *x) { x->t = 0; } void orit (struct C *x, struct C *y) { y->t |= x->t; } #pragma omp declare reduction(+:struct A:omp_out.t += omp_in.t) #pragma omp declare reduction(+:struct B:add (&omp_out, &omp_in)) initializer(zero (&omp_priv)) #pragma omp declare reduction(*:struct A:omp_out.t *= omp_in.t) initializer(omp_priv = { 1 }) #pragma omp declare reduction(|:struct C:orit (&omp_in, &omp_out)) #pragma omp declare reduction(&:struct D:omp_out.t = omp_out.t & omp_in.t) initializer(omp_priv = { ~0L }) #pragma omp declare reduction(maxb:short:omp_out = omp_in > omp_out ? omp_in : omp_out) initializer(omp_priv = -6) struct B z[10]; __attribute__((noinline, noclone)) void foo (struct A (*x)[3][2], struct A *y, struct D w[1][2]) { struct C a[9] = {}; short b[5] = {}; int i; #pragma omp parallel for reduction(+:x[0:2][:][0:2], z[:4]) \ reduction(*:y[:3]) reduction(|:a[:4]) \ reduction(&:w[0:1][:2]) reduction(maxb:b) for (i = 0; i < 128; i++) { x[i / 64][i % 3][(i / 4) & 1].t += i; if ((i & 15) == 1) y[0].t *= 3; if ((i & 31) == 2) y[1].t *= 7; if ((i & 63) == 3) y[2].t *= 17; z[i / 32].t += (i & 3); if (i < 4) z[i].t += i; a[i / 32].t |= 1ULL << (i & 30); w[0][i & 1].t &= ~(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 (i = 0; i < 9; i++) if (a[i].t != (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 main () { struct A 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 }}}; struct A 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 }; struct D w[1][2] = { { { ~0L }, { ~0L } } }; foo (&a[1], y + 1, w); int i, j, k; for (i = 0; i < 4; i++) for (j = 0; j < 3; j++) for (k = 0; k < 2; k++) if (a[i][j][k].t != a2[i][j][k]) __builtin_abort (); for (i = 0; i < 5; i++) if (y[i].t != y2[i]) __builtin_abort (); for (i = 0; i < 10; i++) if (z[i].t != z2[i]) __builtin_abort (); if (w[0][0].t != ~0x249249L || w[0][1].t != ~0x249249L) __builtin_abort (); return 0; }