bit manipulation - Fastest way to read Left-Most bit from unsigned int (C++)? -

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What is the fastest way to read most bits from unsigned int?

Thanks, Online SW 

  i & gt; & Gt; (Size (unsigned integer) * CHAR_BIT - 1)

sizeof , multiplication and subtraction will be computed by any appropriate compiler at compile time, so it is a single The right-shift instruction should be made, the faster you can get it.


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