1  /* Test that the compiler properly optimizes vector rotate instructions vector
       2     into prot 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  extern void right_rotate (void);
       9  
      10  typedef long __m128i  __attribute__ ((__vector_size__ (16), __may_alias__));
      11  
      12  #define SIZE 10240
      13  
      14  union {
      15    __m128i i_align;
      16    unsigned u32[SIZE];
      17  } a, b, c;
      18  
      19  void
      20  right_rotate32_b (void)
      21  {
      22    int i;
      23  
      24    for (i = 0; i < SIZE; i++)
      25      a.u32[i] = (b.u32[i] >> ((sizeof (int) * 8) - 4)) | (b.u32[i] << 4);
      26  }
      27  
      28  int
      29  main ()
      30  {
      31    right_rotate ();
      32    exit (0);
      33  }
      34  
      35  /* { dg-final { scan-assembler "vprot" } } */