Controlling VLIW instruction operations supply to functional...

Details Controlling VLIW instruction operations supply to functional... Controlling VLIW instruction operations supply to functional...

2005-03-08

2005-03-08

Kim, Kenneth S. (Department: 2111)

Electrical computers and digital processing systems: processing

Processing architecture

Long instruction word

C712S215000, C712S226000

Reexamination Certificate

active

06865662

ABSTRACT:
A VLIW processor for executing a sequence of very long instruction words having a plurality of operations to be executed in parallel. The VLIW processor has a plurality of functional units for parallel execution of the operations specified by the VLIW, an instruction register for holding the VLIW, and a condition flag for indicating the results of a comparison operation. The VLIW includes a conditional head and a plurality of slots, each slot including an operational code and any related operands. The conditional head has a plurality of conditional indicators, each conditional indicator uniquely corresponding to one operation and specifying a condition in which the operation is to be executed if the indicated condition exists. A control circuit is connected to the instruction register and the functional units to deliver the operation from the instruction register to the corresponding functional unit for execution when the condition exists.

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