Subversion Repositories openrisc

/* { dg-do run } */

extern void abort (void);

#define LEN 4

static inline void unpack(int  array[LEN])

{

  int ii, val;

  val = 1;

  for (ii = 0; ii < LEN; ii++) {

      array[ii] = val % 2;

      val = val / 2;

  }

}

static inline int  pack(int  array[LEN])

{

  int ans, ii;

  ans = 0;

  for (ii = LEN-1; ii >= 0; ii--) {

      ans = 2 * ans + array[ii];

  }

  return ans;

}

int __attribute__((noinline))

foo()

{

  int temp, ans;

  int array[LEN];

  unpack(array);

  temp = array[0];

  array[0] = array[2];

  array[2] = temp;

  ans = pack(array);

  return ans;

}

int main(void)

{

  int val;

  val = foo();

  if (val != 4)

    abort ();

  return 0;

}