1  /* { dg-do compile } */
       2  /* { dg-options "-O0 -mlzcnt " } */
       3  /* { dg-final { scan-assembler "lzcntl\[^\\n]*(%|)eax" } } */
       4  
       5  #include <x86intrin.h>
       6  
       7  unsigned int
       8  func_lzcnt32 (unsigned int X)
       9  {
      10    return __lzcnt32(X);
      11  }