Electrical computers and digital processing systems: processing – Processing architecture – Long instruction word
Reexamination Certificate
2005-04-26
2005-04-26
Kim, Kenneth S. (Department: 2111)
Electrical computers and digital processing systems: processing
Processing architecture
Long instruction word
C712S215000, C712S226000, C717S140000
Reexamination Certificate
active
06886091
ABSTRACT:
Super functional units are used to execute not only single super-instructions that take more than one issue slot, but also a number of equivalent regular VLIW instructions. Accordingly, the same hardware can thus be used to execute either a superoperation or a combination of regular operations, potentially combined with other smaller superoperations. Using super functional units in this way promotes efficient use of computing resources by making computing resources that might otherwise be used unnecessarily by superoperations available for use by single-slot instructions or by smaller superoperations. In some embodiments, a compiler analyzes program and other data to identify superoperations that can be reduced to equivalent single-slot instructions. The compiler maps these operations to a single slot of a super functional unit, reducing the computing resources occupied by the operation.
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Tromp Marcel J. A.
van Eijndhoven Jos
Vissers Kornelis A.
Kim Kenneth S.
Koninklijke Philips Electronics , N.V.
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