1  /* { dg-do compile { target aarch64*-*-* } } */
       2  /* { dg-options "-O2 -ftree-loop-vectorize -funsafe-math-optimizations -march=armv8.2-a+sve -msve-vector-bits=256" } */
       3  
       4  float
       5  foo(long n, float *x, int inc_x,
       6              float *y, int inc_y)
       7  {
       8    float dot = 0.0;
       9    int ix = 0, iy = 0;
      10  
      11    if (n < 0) {
      12      return dot;
      13    }
      14  
      15    int i = 0;
      16    while (i < n) {
      17      dot += y[iy] * x[ix];
      18      ix  += inc_x;
      19      iy  += inc_y;
      20      i++;
      21    }
      22  
      23    return dot;
      24  }
      25  
      26  /* { dg-final { scan-assembler-not "smaddl" { target aarch64*-*-* } } } */