1  /* PR optimization/6842
       2     This testcase caused ICE when trying to optimize V8QI subreg of VOIDmode
       3     CONST_DOUBLE.  */
       4  /* { dg-do compile } */
       5  /* { dg-options "-O2 -mmmx" } */
       6  
       7  typedef char __v8qi __attribute__ ((vector_size (8)));
       8  extern void abort (void);
       9  extern void exit (int);
      10  
      11  void foo (void)
      12  {
      13    unsigned long long a = 0x0102030405060708LL;
      14    unsigned long long b = 0x1020304050607080LL;
      15    unsigned long long c;
      16  
      17    c = (unsigned long long) __builtin_ia32_paddusb ((__v8qi) a, (__v8qi) b);
      18    __builtin_ia32_emms ();
      19    if (c != 0x1122334455667788LL)
      20      abort ();
      21  }