Yet another pop_1st_bit() optimization
authorMarco Costalba <mcostalba@gmail.com>
Sun, 12 Oct 2008 12:34:54 +0000 (14:34 +0200)
committerMarco Costalba <mcostalba@gmail.com>
Sun, 12 Oct 2008 12:34:54 +0000 (14:34 +0200)
Always for 32 bit but withot relying on MSVC intrinsics.

It is very similar to previous ones, but this does not
segfaults due to -fno-strict-aliasing compiler option.

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

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