Can “swap nybble” and “byte mask” tricks do multi byte logical shift by 4 much faster than the naive method of using bit shift chains

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北海茫月
北海茫月 2021-02-19 15:38

I\'m writing a fixed-point (16Q16) algo that does division using the Newton–Raphson method outlined on Wikipedia. (Relates SE question HERE.)

The first step requires logi

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