From: Marco Costalba <mcostalba@gmail.com>
Date: Thu, 21 May 2009 14:41:31 +0000 (+0200)
Subject: Enable POPCNT at runtime
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=e7d3a006cda7822517159cad0ef222eb7e46db00;hp=e7d3a006cda7822517159cad0ef222eb7e46db00

Enable POPCNT at runtime

Runtime detect POPCNT instruction support and
use it.

Also if POPCNT is not supported we don't add _any_ overhead so
that we don't lose any speed in standard case.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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