gcc/testsuite/c-c++-common/cilk-plus/CK/cilk_for_ptr_iter.c

   1 /* { dg-do run { target { i?86-*-* x86_64-*-* } } } */
   2 /* { dg-options "-fcilkplus" } */
   3 /* { dg-additional-options "-std=gnu99" { target c } } */
   4 /* { dg-additional-options "-lcilkrts" { target { i?86-*-* x86_64-*-* } } } */
   5
   6
   7
   8 /* <feature> loop control variable must have integer, pointer or class type
   9    </feature>
  10 */
  11
  12 #define ARRAY_SIZE 10000
  13 int a[ARRAY_SIZE];
  14
  15 int main(void)
  16 {
  17   int ii = 0;
  18
  19   for (ii =0; ii < ARRAY_SIZE; ii++)
  20     a[ii] = 5;
  21   _Cilk_for(int *aa = a; aa < a + ARRAY_SIZE; aa++)
  22     *aa = 0;
  23   for (ii = 0; ii < ARRAY_SIZE; ii++)
  24     if (a[ii] != 0)
  25       __builtin_abort ();
  26
  27   _Cilk_for (int *aa = a; aa < a + ARRAY_SIZE; aa = aa + 2)
  28     *aa = 4;
  29
  30   for (ii = 0; ii < ARRAY_SIZE; ii = ii + 2)
  31     if (a[ii] != 4)
  32       __builtin_abort ();
  33
  34   return 0;
  35 }