1  /* { dg-do compile } */
       2  /* { dg-additional-options "-Ofast" } */
       3  /* { dg-additional-options "-march=armv8.2-a+sve -msve-vector-bits=512" { target aarch64-*-* } } */
       4  
       5  void
       6  boom(int n, double *a, double *x)
       7  {
       8    int i, j;
       9    double temp;
      10  
      11    for (j = n; j >= 1; --j)
      12      {
      13        temp = x[j];
      14        for (i = j - 1; i >= 1; --i)
      15  	temp += a[i + j] * x[i];
      16        x[j] = temp;
      17      }
      18  }