1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -msse4.2 -mgeneral-regs-only" } */
       3  
       4  #include <x86intrin.h>
       5  
       6  unsigned int
       7  foo1 (unsigned int x)
       8  {
       9    return _mm_popcnt_u32 (x);
      10  }