1  /* { dg-require-effective-target size32plus } */
       2  
       3  #define DEBUG 0
       4  #if DEBUG
       5  #include <stdio.h>
       6  #endif
       7  
       8  double u[1782225];
       9  
      10  static void __attribute__((noinline))
      11  foo (int N, int *res)
      12  {
      13    int i, j;
      14    double sum = 0.0;
      15  
      16    /* These two loops should be interchanged.  */
      17    for (i = 0; i < 1335; i++)
      18      {
      19        for (j = 0; j < 1335; j++)
      20  	sum = sum + u[i + 1335 * j];
      21  
      22        u[1336 * i] *= 2;
      23      }
      24    *res = sum;
      25  }
      26  
      27  extern void abort ();
      28  
      29  int
      30  main (void)
      31  {
      32    int i, res;
      33  
      34    for (i = 0; i < 1782225; i++)
      35      u[i] = 2;
      36  
      37    foo (1335, &res);
      38  
      39  #if DEBUG
      40    fprintf (stderr, "res = %d \n", res);
      41  #endif
      42  
      43    if (res != 3564450)
      44      abort ();
      45  
      46    return 0;
      47  }