Recovery path cache
AssigneeIntel Corporation
InventorsZeshan A. Chishti, Jeffrey J. Cook, Ammon J. Christiansen, Ariel Sabba, Muhammad Faisal Azeem, Xiang Zou, Rangeen Basu Roy Chowdhury, Polychronis Xekalakis
Life of this patent
Estimating the term…
Abstract
Methods and apparatus relating to a Recovery Path Cache (RPC) are described. In an embodiment, an RPC stores information corresponding to a mispredicted branch. Logic circuitry of a processor searches the RPC in response to a subsequent misprediction of the branch and supplies the stored information, corresponding to the mispredicted branch, to a next stage of the processor. Other embodiments are also disclosed and claimed.
Claims20
A processor comprising:
- a Recovery Path Cache (RPC) to store information corresponding to a mispredicted branch;
- and
- logic circuitry to search the RPC in response to a subsequent misprediction of the branch and to supply the stored information, corresponding to the mispredicted branch, to a next stage of the processor.
One or more non-transitory computer-readable media comprising one or more instructions that when executed on a processor configure the processor to perform one or more operations to cause:
- a Recovery Path Cache (RPC) to store information corresponding to a mispredicted branch;
- and
- logic circuitry to search the RPC in response to a subsequent misprediction of the branch and to supply the stored information, corresponding to the mispredicted branch, to a next stage of the processor.
Dependencies are inferred from the claim text.