Microprocessor with pipelining, memory size evaluation, micro-op

Electrical computers and digital processing systems: memory – Storage accessing and control – Access timing

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711117, G06F 1200

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active

058954970

ABSTRACT:
Circuits, systems and methods for operating a processor to process a plurality of sequentially arranged instructions. The method includes various steps, such as receiving (54) into a processor pipeline an instruction from the plurality of sequentially arranged instructions. Next, determines (56) whether the received instruction comprises a memory access instruction. A memory access instruction is operable to access memory information of a specifiable size. In response to determining that the received instruction comprises a memory access instruction, the method generates (58) at least one micro-operation code corresponding to the memory access instruction and it also sets (60) a tag to the at least one micro-operation code, where the set tag requests a subsequent evaluation of the specifiable size. After the tag is set, the method later detects (64, 72) the set tag and, in response to the set tag, retrieves (66, 74) a current value of the specifiable size.

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