| 摘要 |
Address control section includes an encoding section to generate higher-order address information made by compressing a predetermined higher-order bit part from predetermined higher-order and lower-order bit parts included in an instruction address, and a restoring section to restore the higher-order bit part from the higher-order address information. Branch instruction predicting section includes a history memory section that stores the higher-order bit part and the lower-order bit part corresponding to a branch address of a processed branch instruction at either one of a plurality of storing places determined from the higher-order bit part and the lower-order bit part corresponding to a branch address of a processed branch instruction.
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