Predicting a jump target based on a program counter and...

Electrical computers and digital processing systems: processing – Processing control – Branching

Reexamination Certificate

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C712S239000

Reexamination Certificate

active

07472264

ABSTRACT:
One embodiment of the present invention provides a system that predicts a jump target for a jump instruction. During operation, the system starts fetching the jump instruction while executing a process. Next, the system uses a program counter for the process and uses state information that is specific to the process to look up the jump target for the jump instruction. Finally, the system uses the jump target returned by the lookup as a predicted jump target for the jump instruction.

REFERENCES:
patent: 5283873 (1994-02-01), Steely et al.
patent: 5454087 (1995-09-01), Narita et al.
patent: 6021489 (2000-02-01), Poplingher
patent: 6115810 (2000-09-01), Patel et al.
patent: 6553488 (2003-04-01), Yeh et al.

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