Apparatus for controlling execution of a program in a computing

Details Apparatus for controlling execution of a program in a computing Apparatus for controlling execution of a program in a computing

1990-01-16

1993-10-05

Eng, David Y.

Boots, shoes, and leggings

395800, 364931, 3642328, G06F 930

Patent

active

052513068

ABSTRACT:
An apparatus for controlling execution of a program of instructions in a computing device comprising an instruction fetching buffer-decoder for fetching the instructions in fetch batches and decoding the fetched instructions to generate a plurality of decoded instructions; an executing unit for executing the decoded instructions; and a storage unit including a plurality of registers for storing operand information. Each respective register includes at least one scoreboard bit indicating how the respective register is being used by the plurality of instructions; the execution unit effects execution of a specified instruction when a specified register containing operand information required by the specified instruction has a scoreboard bit having a specified value.

REFERENCES:
patent: 3875391 (1975-04-01), Shapiro
patent: 3898626 (1975-08-01), Hutson
patent: 4112489 (1978-09-01), Wood
patent: 4187539 (1980-02-01), Eaton
patent: 4338677 (1982-07-01), Morrill
patent: 4399507 (1983-08-01), Cosgrove
patent: 4583163 (1986-04-01), Kobayashi

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