| 摘要 |
A first storage unit stores an address of a branching instruction and a branched address. A first detector detects whether or not an instruction of the present address has previously been branched from an output of the first storage unit. When the first detector detects previous branching of the instruction of the present address, the second storage unit stores the branched address corresponding to the address of the instruction to be executed following the branching instruction. When a second detector detects an output of a program counter as the address of the instruction to be executed following the branching instruction, the second storage unit outputs the branched address.
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