libgomp/testsuite/libgomp.c-c++-common/task-reduction-12.c

   1 extern
   2 #ifdef __cplusplus
   3 "C"
   4 #endif
   5 void abort (void);
   6 int a, b[3] = { 1, 1, 1 };
   7 unsigned long int c[2] = { ~0UL, ~0UL };
   8
   9 void
  10 bar (int i)
  11 {
  12   #pragma omp task in_reduction (*: b[:3]) in_reduction (&: c[1:]) \
  13               in_reduction (+: a)
  14   {
  15     a += 4;
  16     b[1] *= 4;
  17     c[1] &= ~(1UL << (i + 16));
  18   }
  19 }
  20
  21 void
  22 foo (int x)
  23 {
  24   #pragma omp sections reduction (task, +: a) reduction (task, *: b) \
  25                        reduction (task, &: c[1:1])
  26   {
  27     {
  28       a++; b[0] *= 2; bar (2); b[2] *= 3; c[1] &= ~(1UL << 2);
  29     }
  30     #pragma omp section
  31     { b[0] *= 2; bar (4); b[2] *= 3; c[1] &= ~(1UL << 4); a++; }
  32     #pragma omp section
  33     { bar (6); b[2] *= 3; c[1] &= ~(1UL << 6); a++; b[0] *= 2; }
  34     #pragma omp section
  35     { b[2] *= 3; c[1] &= ~(1UL << 8); a++; b[0] *= 2; bar (8); }
  36     #pragma omp section
  37     { c[1] &= ~(1UL << 10); a++; b[0] *= 2; bar (10); b[2] *= 3; }
  38     #pragma omp section
  39     { a++; b[0] *= 2; b[2] *= 3; c[1] &= ~(1UL << 12); bar (12); }
  40     #pragma omp section
  41     if (x)
  42       {
  43         a++; b[0] *= 2; b[2] *= 3; bar (14); c[1] &= ~(1UL << 14);
  44       }
  45   }
  46 }
  47
  48 int
  49 main ()
  50 {
  51   volatile int one = 1;
  52   foo (!one);
  53   if (a != 30 || b[0] != 64 || b[1] != (1 << 12) || b[2] != 3 * 3 * 3 * 3 * 3 * 3
  54       || c[0] != ~0UL || c[1] != ~0x15541554UL)
  55     abort ();
  56   a = 0;
  57   b[0] = 1;
  58   b[1] = 1;
  59   b[2] = 1;
  60   c[1] = ~0UL;
  61   #pragma omp parallel
  62   foo (one);
  63   if (a != 35 || b[0] != 128 || b[1] != (1 << 14) || b[2] != 3 * 3 * 3 * 3 * 3 * 3 * 3
  64       || c[0] != ~0UL || c[1] != ~0x55545554UL)
  65     abort ();
  66   return 0;
  67 }