Electrical computers and digital processing systems: processing – Processing control – Branching
Patent
1997-12-19
2000-08-22
An, Meng-Ai T.
Electrical computers and digital processing systems: processing
Processing control
Branching
G06F 938
Patent
active
061087742
ABSTRACT:
A branch prediction unit stores as set of branch selectors corresponding to each of a group of contiguous instruction bytes stored in an instruction cache. Each branch selector identifies a branch prediction to be selected if a fetch address corresponding to that branch selector is presented. The branch prediction unit additionally stores a set of return selectors corresponding to one or more branch predictions. The return selectors identify the type of branch selection. For example, the branch predictions may include a sequential branch prediction and a branch instruction branch prediction. The return selectors may identify whether the branch instruction branch prediction is associated with the return instruction or a non-return branch instruction.
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Advanced Micro Devices , Inc.
An Meng-Ai T.
Kivlin B. Noel
Patel Gautam R.
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