libgomp/testsuite/libgomp.c/reduction-7.c

   1 char z[10] = { 0 };
   2
   3 __attribute__((noinline, noclone)) void
   4 foo (int (*x)[3][2], int *y, long w[1][2])
   5 {
   6   unsigned long long a[9] = {};
   7   short b[5] = {};
   8   int i;
   9   #pragma omp parallel for reduction(+:x[0:2][:][0:2], z[:4]) \
  10                            reduction(*:y[:3]) reduction(|:a[:4]) \
  11                            reduction(&:w[0:1][:2]) reduction(max:b)
  12   for (i = 0; i < 128; i++)
  13     {
  14       x[i / 64][i % 3][(i / 4) & 1] += i;
  15       if ((i & 15) == 1)
  16         y[0] *= 3;
  17       if ((i & 31) == 2)
  18         y[1] *= 7;
  19       if ((i & 63) == 3)
  20         y[2] *= 17;
  21       z[i / 32] += (i & 3);
  22       if (i < 4)
  23         z[i] += i;
  24       a[i / 32] |= 1ULL << (i & 30);
  25       w[0][i & 1] &= ~(1L << (i / 17 * 3));
  26       if ((i % 79) > b[0])
  27         b[0] = i % 79;
  28       if ((i % 13) > b[1])
  29         b[1] = i % 13;
  30       if ((i % 23) > b[2])
  31         b[2] = i % 23;
  32       if ((i % 85) > b[3])
  33         b[3] = i % 85;
  34       if ((i % 192) > b[4])
  35         b[4] = i % 192;
  36     }
  37   for (i = 0; i < 9; i++)
  38     if (a[i] != (i < 4 ? 0x55555555ULL : 0))
  39       __builtin_abort ();
  40   if (b[0] != 78 || b[1] != 12 || b[2] != 22 || b[3] != 84 || b[4] != 127)
  41     __builtin_abort ();
  42 }
  43
  44 int
  45 main ()
  46 {
  47   int a[4][3][2] = {};
  48   static int a2[4][3][2] = {{{ 0, 0 }, { 0, 0 }, { 0, 0 }},
  49                             {{ 312, 381 }, { 295, 356 }, { 337, 335 }},
  50                             {{ 1041, 975 }, { 1016, 1085 }, { 935, 1060 }},
  51                             {{ 0, 0 }, { 0, 0 }, { 0, 0 }}};
  52   int y[5] = { 0, 1, 1, 1, 0 };
  53   int y2[5] = { 0, 6561, 2401, 289, 0 };
  54   char z2[10] = { 48, 49, 50, 51, 0, 0, 0, 0, 0, 0 };
  55   long w[1][2] = { ~0L, ~0L };
  56   foo (&a[1], y + 1, w);
  57   if (__builtin_memcmp (a, a2, sizeof (a))
  58       || __builtin_memcmp (y, y2, sizeof (y))
  59       || __builtin_memcmp (z, z2, sizeof (z))
  60       || w[0][0] != ~0x249249L
  61       || w[0][1] != ~0x249249L)
  62     __builtin_abort ();
  63   return 0;
  64 }