016cc66803
Use the gcc builtin instead, which generates more efficient code (it saves a function call) and means less platform specific code to write for us. Change-Id: I1d55b5703027b2ea4ecde2438ea306bd4850eb32 Reviewed-on: https://review.haiku-os.org/c/haiku/+/1859 Reviewed-by: waddlesplash <waddlesplash@gmail.com>