1  /* { dg-do compile } */
       2  /* { dg-options "-O3" } */
       3  /* { dg-additional-options "-mfma" { target { x86_64-*-* i?86-*-* } } } */
       4  
       5  extern double fma (double, double, double);
       6  
       7  static inline void
       8  bar (int i, double *D, double *S)
       9  {
      10    while (i-- > 0)
      11      {
      12        D[0] = fma (1, S[0], D[0]);
      13        D[1] = fma (1, S[1], D[1]);
      14        D[2] = fma (1, S[2], D[2]);
      15        D[3] = fma (1, S[3], D[3]);
      16        D += 4;
      17        S += 4;
      18      }
      19  }
      20  
      21  void
      22  foo (double *d, double *s)
      23  {
      24    bar (10, d, s);
      25  }
      26