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Skipping unnecessary instruction by multiplex selector using next instruction offset stride signal generated from instructions comparison results

Image Number 11 for United States Patent #7484077.

The present invention discloses an apparatus for removing unnecessary instruction and method thereof. The apparatus and operating method thereof include: a comparing circuit for comparing a plurality of instructions and a predetermined pattern, so as to generate a plurality of comparing signals; a control logic for generating an instruction-selecting signal and a stride signal according to the plurality of comparing signals; and a multiplexer for receiving the plurality of instructions and outputting at least one of the received instructions to a processing unit according to the instruction-selecting signal. Furthermore, the processing circuit processes the instruction outputted by the multiplexer according to the stride signal.

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