| 摘要 |
PROBLEM TO BE SOLVED: To provide a microprocessor which prevents the decline of the execution performance of a program, and a processing method of a source register. SOLUTION: This microprocessor 10 is constituted so as to control the restoration of the source register and transmission to an execution unit 16 by a cache restoration control circuit 20. By selecting the source register of a register cache 18 or a register file 12 in a selection circuit 28, the decline of the execution performance of the program is prevented. COPYRIGHT: (C)2004,JPO
|
