1  /* { dg-do compile */
       2  /* { dg-options "-O2 -ftree-vectorize" } */
       3  /* { dg-final { scan-assembler-not "fpmpy" } } */
       4  
       5  /* fpma and fpms will show in either way because there are no
       6     specific vector add/sub instructions.  So we just check for fpmpy.  */
       7  
       8  #define N 16
       9  extern void bar(float *, float *, float *, float *);
      10  void foo()
      11  {
      12  	int i;
      13  	float a[N], b[N], c[N], d[N];
      14  	bar(a,b,c,d);
      15  	for (i = 0; i < N; i++) {
      16  		a[i] = b[i] + c[i] * d[i];
      17  	}
      18  	bar(a,b,c,d);
      19  #if 0
      20  	for (i = 0; i < N; i++) {
      21  		a[i] = b[i] - c[i] * d[i];
      22  	}
      23  	bar(a,b,c,d);
      24  #endif
      25  	for (i = 0; i < N; i++) {
      26  		a[i] = b[i] * c[i] + d[i];
      27  	}
      28  	bar(a,b,c,d);
      29  	for (i = 0; i < N; i++) {
      30  		a[i] = b[i] * c[i] - d[i];
      31  	}
      32  	bar(a,b,c,d);
      33  }