1  /* { dg-do compile } */
       2  /* { dg-additional-options "-fno-tree-loop-vectorize" } */
       3  
       4  extern int a[][4], b[][4], c[][4], d[4], e[4];
       5  void f()
       6  {
       7    int t0 = a[0][3];
       8    int t1 = a[1][3];
       9    int t2 = a[2][3];
      10    int t3 = a[3][3];
      11    int a0 = 0, a1 = 0, a2 = 0, a3 = 0, b0 = 0, b1 = 0, b2 = 0, b3 = 0;
      12    for (int i = 0; i < 400; i += 4)
      13      {
      14        a0 += b[i][3] * t0;
      15        a1 += b[i][2] * t1;
      16        a2 += b[i][1] * t2;
      17        a3 += b[i][0] * t3;
      18        b0 += c[i][3] * t0;
      19        b1 += c[i][2] * t1;
      20        b2 += c[i][1] * t2;
      21        b3 += c[i][0] * t3;
      22      }
      23    d[0] = a0;
      24    d[1] = a1;
      25    d[2] = a2;
      26    d[3] = a3;
      27    e[0] = b0;
      28    e[1] = b1;
      29    e[2] = b2;
      30    e[3] = b3;
      31  }
      32  
      33  /* { dg-final { scan-tree-dump-times "add new stmt: \[^\\n\\r\]* = VEC_PERM_EXPR" 3 "slp1" { target { vect_int_mult && vect_perm } } } } */