1/* { dg-do compile { target { ! ia32 } } } */
2/* { dg-options "-O2 -mlzcnt" } */
3/* { dg-final { scan-assembler "lzcntq\[^\\n]*(%|)rax" } } */
4
5#include <x86intrin.h>
6
7unsigned int
8func_lzcnt64 (unsigned long long X)
9{
10 return __lzcnt64(X);
11}
12