1  /* { dg-do compile { target lp64 } } */
       2  /* { dg-options "-O3 -fno-vect-cost-model -fdump-tree-slp2-details" } */
       3  
       4  struct x { double d[2]; };
       5  
       6  struct x
       7  pack (double a, double aa)
       8  {
       9    struct x u;
      10    u.d[0] = a;
      11    u.d[1] = aa;
      12    return u;
      13  }
      14  
      15  /* The function should be optimized to just return as arguments and
      16     result exactly overlap even when previously vectorized.  */
      17  
      18  /* { dg-final { scan-tree-dump "optimized: basic block" "slp2" } } */
      19  /* { dg-final { scan-assembler-not "mov" } } */