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Speedup sliders attacks for 32bit CPU
authorMarco Costalba <mcostalba@gmail.com>
Sun, 12 Feb 2012 14:12:01 +0000 (15:12 +0100)
committerMarco Costalba <mcostalba@gmail.com>
Sun, 12 Feb 2012 14:26:18 +0000 (15:26 +0100)
Replace a 64 bit 'and' by two 32 bits ones and
use unsigned instead of int.

This simple patch increases perft speed of 6% on
my Intel Core 2 Duo !

No functional change.

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

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