1  /* PR tree-optimization/77808 */
       2  /* { dg-options "-O2 -fprefetch-loop-arrays --param prefetch-latency=0 -w" } */
       3  
       4  void
       5  daxpy(int n, double da, double * __restrict dx, double * __restrict dy)
       6  {
       7    int i;
       8  
       9    for (i = 0;i < n; i++)
      10      dy[i] = dy[i] + da*dx[i];
      11  }