1  /* Test that the compiler properly optimizes vector shift instructions into
       2     psha/pshl on XOP systems.  */
       3  
       4  /* { dg-do compile { target { ! ia32 } } } */
       5  /* { dg-options "-O2 -mxop -mno-avx2 -ftree-vectorize" } */
       6  
       7  extern void exit (int);
       8  
       9  typedef long __m128i  __attribute__ ((__vector_size__ (16), __may_alias__));
      10  
      11  #define SIZE 10240
      12  
      13  union {
      14    __m128i i_align;
      15    int i32[SIZE];
      16    unsigned u32[SIZE];
      17  } a, b, c;
      18  
      19  void
      20  left_shift32 (void)
      21  {
      22    int i;
      23  
      24    for (i = 0; i < SIZE; i++)
      25      a.i32[i] = b.i32[i] << c.i32[i];
      26  }
      27  
      28  int main ()
      29  {
      30    left_shift32 ();
      31    exit (0);
      32  }
      33  
      34  /* { dg-final { scan-assembler "vpshad" } } */