1992-06-17
1994-06-28
Eng, David Y.
Boots, shoes, and leggings
3642632, 364941, G06F 930, G06F 940
Patent
active
053254945
ABSTRACT:
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.
REFERENCES:
patent: 4733346 (1988-03-01), Tanaka
patent: 4907150 (1990-03-01), Arroyo
patent: 4945510 (1990-07-01), Maeda et al.
patent: 5021993 (1991-06-01), Matoba et al.
patent: 5093917 (1992-03-01), Campbell
patent: 5119483 (1992-06-01), Madden
patent: 5155843 (1992-10-01), Stamm et al.
Imai Toru
Saito Mitsuo
Tomoda Ichiro
Eng David Y.
Kabushiki Kaisha Toshiba
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