There's currently no special way, you could bind to it using cffi; but this will generate a call to a C function, not the instruction directly.

Alex

On Mon, Jul 29, 2013 at 5:15 PM, Nathan Hurst <njh@njhurst.com> wrote:

Is there a way to call special operators such as __builtin_popcount
from within pypy?

regards,
njh
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