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Intentionally delaying execution of a copy instruction to achieve simultaneous execution with a subsequent, non-adjacent write instruction
Intentionally delaying execution of a copy instruction to achieve simultaneous execution with a subsequent, non-adjacent write instruction
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机译:故意延迟复制指令的执行,以实现与后续非相邻写入指令的同时执行
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摘要
An information processing device including registers (105) for holding data and an operation device (102) for executing arithmetic and logic operations on input/output data held in the register. The information processing device can issue an inter-register copy instruction for instructing data held in one register to be copied to another register. The information processing device further includes a copy information holding device (113) for reserving for execution of a data copy operation by the inter-register copy instruction from a control unit (108) so as to execute the actual copy operation simultaneously with the succeeding instruction to hide the execution time of the copy operation. Thus, in the inter-register copy instruction execution phase, a reservation for a data copy operation is stored in the copy information holding device so that the execution phase is completed without performing the actual data copy operation.
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