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Use a union to fast and simply backup info in do_move()
authorMarco Costalba <mcostalba@gmail.com>
Fri, 20 Feb 2009 10:13:19 +0000 (11:13 +0100)
committerMarco Costalba <mcostalba@gmail.com>
Fri, 20 Feb 2009 21:50:08 +0000 (22:50 +0100)
This nice union trick let us optimize the speed and
remove the now unuseful backup() and restore() functions.

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

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