1  /* { dg-do compile } */
       2  /* { dg-additional-options "-fno-tree-loop-vectorize" } */
       3  
       4  int a[4], b[400], c[400], d[40000];
       5  
       6  void f1()
       7  {
       8    int a0 = a[0];
       9    int a1 = a[1];
      10    int a2 = a[2];
      11    int a3 = a[3];
      12    for (int i = 0; i < 100; ++i)
      13      {
      14        a0 ^= c[i * 4 + 0];
      15        a1 ^= c[i * 4 + 1];
      16        a2 ^= c[i * 4 + 2];
      17        a3 ^= c[i * 4 + 3];
      18        for (int j = 0; j < 100; ++j)
      19  	{
      20  	  a0 += d[i * 400 + j * 4 + 1];
      21  	  a1 += d[i * 400 + j * 4 + 0];
      22  	  a2 += d[i * 400 + j * 4 + 3];
      23  	  a3 += d[i * 400 + j * 4 + 2];
      24  	}
      25        b[i * 4 + 0] = a0;
      26        b[i * 4 + 1] = a1;
      27        b[i * 4 + 2] = a2;
      28        b[i * 4 + 3] = a3;
      29      }
      30    a[0] = a0;
      31    a[1] = a1;
      32    a[2] = a2;
      33    a[3] = a3;
      34  }
      35  
      36  /* { dg-final { scan-tree-dump-times "add new stmt: \[^\\n\\r\]* = VEC_PERM_EXPR" 2 "slp1" { target { vect_int && vect_perm } } } } */