Branch target prediction for multi-target branches by...

Details Branch target prediction for multi-target branches by... Branch target prediction for multi-target branches by...

2005-04-20

2008-08-05

Dollinger, Tonia L. M. (Department: 2181)

Electrical computers and digital processing systems: processing

Processing control

Branching

C712S238000, C712S235000

Reexamination Certificate

active

07409535

ABSTRACT:
An information processing system for branch target prediction is disclosed. The information processing system includes a memory for storing entries, wherein each entry includes a plurality of target addresses representing a history of target addresses for a multi-target branch and logic for reading the memory and identifying a repeated pattern in a plurality of target addresses for a multi-target branch. The information processing system further includes logic for predicting a next target address for the multi-target branch based on the repeated pattern that was identified.

REFERENCES:
patent: 5721855 (1998-02-01), Hinton et al.
patent: 5751985 (1998-05-01), Shen et al.
patent: 5892936 (1999-04-01), Tran et al.
patent: 6014734 (2000-01-01), Tran et al.
patent: 7107437 (2006-09-01), Padwekar

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