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Information processing apparatus, replacing method, and computer-readable recording medium on which a replacing program is recordedUSPTO Application #: 20070162728Title: Information processing apparatus, replacing method, and computer-readable recording medium on which a replacing program is recorded Abstract: The present invention relates to an information processing apparatus predicting a branch destination of a branch instruction using a branch history register to realize effective replacement by enabling an unnecessary entry to be selected as an entry, which is an object of replacement, without using new resources in a full-associative memory device. The invention includes a selector for selecting one entry from all entries of a past branch history memory section if all entries of the past branch history memory section are in use when a branch history about a new branch instruction is registered into the past branch history memory section and a replacing section for registering the branch history about the new branch instruction into one entry selected by said selector, wherein the selector has a first selecting function of selecting one entry based on the branch history held by the past branch history memory section. (end of abstract) USPTO Applicaton #: 20070162728 - Class: 712240000 (USPTO) Related Patent Categories: Electrical Computers And Digital Processing Systems: Processing Architectures And Instruction Processing (e.g., Processors), Processing Control, Branching (e.g., Delayed Branch, Loop Control, Branch Predict, Interrupt), Conditional Branching, Branch Prediction, History Table
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