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由 Aurelien Jarno 提交于
ffs1 returns the first bit set to one starting counting from the most significant bit. pcmpXstri returns the most significant bit set to one, starting counting from the least significant bit. Reviewed-by: NRichard Henderson <rth@twiddle.net> Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
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