| 摘要 |
According to this invention, a computer includes a register use information detecting unit for extracting pieces of information of registers, use of which is started and ended by executing instructions of a program, a register use information storing unit for storing information of a register whose value need be stored to execute an instruction in the program, a register use information referring unit for referring to register use information of the register use information storing unit, an instruction executing unit for executing predetermined processing for a desired register in accordance with a reference result of the register use information referring unit, and a register use information updating means for updating use information of a register stored in the register use information storing unit in accordance with outputs from the register use information detecting unit and the instruction executing unit. |
