Branch prediction in a data processing system utilizing a...

Details Branch prediction in a data processing system utilizing a... Branch prediction in a data processing system utilizing a...

2003-03-19

2008-03-11

Meonske, Tonia L. (Department: 2181)

Electrical computers and digital processing systems: processing

Processing control

Branching

C712S207000, C712S239000, C711S213000

Reexamination Certificate

active

07343481

ABSTRACT:
A data processing system incorporates an instruction prefetch unit8including a static branch predictor12. A static branch prediction cache30, 32, 34is provided for storing a most recently encountered static branch prediction such that a subsequent request to fetch the already encountered branch instruction can be identified before the opcode for that branch instruction is returned. The cached static branch prediction can thus redirect the prefetching to the branch target address sooner than the static predictor12.

REFERENCES:
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patent: 5553255 (1996-09-01), Jain et al.
patent: 5740418 (1998-04-01), Hara
patent: 5815699 (1998-09-01), Puziol et al.
patent: 5978909 (1999-11-01), Lempel
patent: 6427206 (2002-07-01), Yeh et al.

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