(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
graphite/
interchange-4.c
       1  /* { dg-require-effective-target size32plus } */
       2  
       3  /* Formerly known as ltrans-4.c */
       4  
       5  #define DEBUG 0
       6  #if DEBUG
       7  #include <stdio.h>
       8  #endif
       9  
      10  double u[1782225];
      11  
      12  static int __attribute__((noinline))
      13  foo (int N, int *res)
      14  {
      15    int i, j;
      16    double sum = 0;
      17    for (i = 0; i < N; i++)
      18      for (j = 0; j < N; j++)
      19        sum = sum + u[i + 1335 * j];
      20  
      21    for (i = 0; i < N; i++)
      22      u[1336 * i] *= 2;
      23  
      24    *res = sum + N + u[1336 * 2] + u[1336];
      25  }
      26  
      27  extern void abort ();
      28  
      29  int
      30  main (void)
      31  {
      32    int i, j, 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 != 3565793)
      44      abort ();
      45  
      46    return 0;
      47  }