Instruction grouping history on fetch-side dispatch group...

Details Instruction grouping history on fetch-side dispatch group... Instruction grouping history on fetch-side dispatch group...

2007-09-11

2007-09-11

Treat, William M. (Department: 2181)

Electrical computers and digital processing systems: processing

Instruction issuing

Simultaneous issuance of multiple instructions

Reexamination Certificate

active

11050344

ABSTRACT:
An improved method, apparatus, and computer instructions for grouping instructions processed in equal sized sets. A current set of instructions is received in an instruction cache for dispatching. A determination is made as to whether any instructions in the current set of instructions are part of a group including a prior set of instructions received in the instruction cache including using a history data structure, wherein the history data structure contains data regarding instructions in the prior set of instructions. Any instructions are grouped into the group with the instruction in response to a determination that the any instructions are part of the group. Instructions in the group units are dispatched to execution using the history data structure, wherein invalid instruction dispatch groupings are avoided.

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Konigsburg et al., Fetch-Side Instruction Dispatch Group Formation.

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