1  /* Test that the compiler properly optimizes floating point multiply and add
       2     instructions vector into pmacsdd/etc. on XOP systems.  */
       3  
       4  /* { dg-do compile } */
       5  /* { dg-require-effective-target lp64 } */
       6  /* { dg-options "-O2 -mxop -mno-avx2 -ftree-vectorize -fno-vect-cost-model" } */
       7  
       8  extern void exit (int);
       9  
      10  typedef long __m128i  __attribute__ ((__vector_size__ (16), __may_alias__));
      11  
      12  #define SIZE 10240
      13  
      14  union {
      15    __m128i i_align;
      16    long i64[SIZE];
      17  } a, b, c, d;
      18  
      19  void
      20  imul64 (void)
      21  {
      22    int i;
      23  
      24    for (i = 0; i < SIZE; i++)
      25      a.i64[i] = b.i64[i] * c.i64[i];
      26  }
      27  
      28  int main ()
      29  {
      30    imul64 ();
      31    exit (0);
      32  }
      33  
      34  /* { dg-final { scan-assembler "vpmulld" } } */
      35  /* { dg-final { scan-assembler "vphadddq" } } */