1  /* PR tree-optimization/53366 */
       2  /* { dg-do run { target { size32plus } } } */
       3  /* { dg-require-effective-target size32plus } */
       4  
       5  extern void abort (void);
       6  
       7  struct S { double v[3]; };
       8  struct T { struct S r, i; };
       9  struct U { struct T j[5]; };
      10  
      11  void
      12  foo (struct U *__restrict p1, struct U *__restrict p2,
      13       struct S l1, struct S l2, struct S l3, struct S l4,
      14       const double _Complex * __restrict x, int y, int z)
      15  {
      16    int i, j;
      17    while (y < z - 2)
      18      {
      19        for (j = 0; j < 5; ++j)
      20  	{
      21  	  double a = __real__ x[5 * y + j];
      22  	  double b = __imag__ x[5 * y + j];
      23  	  double c = __real__ x[5 * (y + 2) + j];
      24  	  double d = __imag__ x[5 * (y + 2) + j];
      25  	  double e = __real__ x[5 * (y + 1) + j];
      26  	  double f = __imag__ x[5 * (y + 1) + j];
      27  	  double g = __real__ x[5 * (y + 3) + j];
      28  	  double h = __imag__ x[5 * (y + 3) + j];
      29  	  for (i = 0; i < 3; ++i)
      30  	    {
      31  	      p1->j[j].r.v[i] += l2.v[i] * a;
      32  	      p1->j[j].r.v[i] += l4.v[i] * c;
      33  	      p1->j[j].i.v[i] += l2.v[i] * b;
      34  	      p1->j[j].i.v[i] += l4.v[i] * d;
      35  	      p2->j[j].r.v[i] += l3.v[i] * e;
      36  	      p2->j[j].r.v[i] += l1.v[i] * g;
      37  	      p2->j[j].i.v[i] += l3.v[i] * f;
      38  	      p2->j[j].i.v[i] += l1.v[i] * h;
      39  	    }
      40  	}
      41        y += 4;
      42      }
      43  }
      44  
      45  _Complex double x[5005];
      46  struct U p1, p2;
      47  
      48  int
      49  main ()
      50  {
      51    int i, j;
      52    struct S l1, l2, l3, l4;
      53    for (i = 0; i < 5005; ++i)
      54      x[i] = i + 1.0iF * (2 * i);
      55    for (i = 0; i < 3; ++i)
      56      {
      57        l1.v[i] = 1;
      58        l2.v[i] = 2;
      59        l3.v[i] = 3;
      60        l4.v[i] = 4;
      61      }
      62    foo (&p1, &p2, l1, l2, l3, l4, x, 5, 1000);
      63    for (j = 0; j < 5; ++j)
      64      for (i = 0; i < 3; ++i)
      65        if (p1.j[j].r.v[i] != 3752430 + j * 1494.0
      66  	  || p1.j[j].i.v[i] != p1.j[j].r.v[i] * 2
      67  	  || p2.j[j].r.v[i] != 2502450 + j * 996.0
      68  	  || p2.j[j].i.v[i] != p2.j[j].r.v[i] * 2)
      69  	abort ();
      70    return 0;
      71  }