countrtr

realizing  exu stream  exu block  compute phase   operation   in the logical value domain  

native on: all

Count the one bits from the right.

• • related operations:** [[Instruction_Set/countlfl|countlfl], [[Instruction_Set/countltr|countltr], [[Instruction_Set/countrfl|countrfl]

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countrtr(op x) → op r0

operands: like Identity [xx:x]