Importance

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Abstract

It is possible to realize fetch of instructs constituting a loop by using a simple configuration without fixing a loop start point. Provided is a processing method performed by a processing device including: a instruction buffer; a instruction decoder; a pointer arranged to correspond to the instruction buffer and indicating a connection relationship between one instruction buffer from which a instruction stream is read out and other instruction buffer containing the next instruction stream to be read out, according to an identifier of other instruction buffer; a start point storage unit containing an identifier of the instruction buffer containing a instruction stream serving as a start point of repetition when performing a instruction fetch of such a predetermined instruction that processing of a instruction stream is repeated in a loop. When a instruction stream is read out from the instruction buffer and the predetermined instruction is detected from the instruction stream, the identifier stored in the start point storage unit is set as a pointer of the identifier of the next instruction buffer from which a instruction is to be read out.

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First Claim