1  /* { dg-do compile } */
       2  /* { dg-require-effective-target vect_float } */
       3  
       4  #include "tree-vect.h"
       5  
       6  extern float x[128] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
       7  extern float y[128] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
       8  extern float z[128] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
       9  
      10  float f (unsigned n)
      11  {
      12    float ret = 0.0;
      13    unsigned i;
      14    for (i = 0; i < n; i++)
      15      {
      16        float diff = x[i] - y[i];
      17        ret -= diff * diff * z[i];
      18      }
      19    return ret;
      20  }
      21  
      22  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */