Electrical computers and digital processing systems: processing – Processing architecture – Long instruction word
Reexamination Certificate
2006-11-21
2006-11-21
Ellis, Richard L. (Department: 2183)
Electrical computers and digital processing systems: processing
Processing architecture
Long instruction word
C712S211000
Reexamination Certificate
active
07139897
ABSTRACT:
Circuit arrangement and method for dispatching computer instructions. In a processor having a plurality of types of execution units, the computer instructions are grouped in bundles, and each bundle includes a plurality of instructions and an associated index code. Template values are stored in a plurality of template registers, and each template value specifies types of execution units for a bundle of instructions and those instructions in a bundle that are executable in parallel. A dispatch logic circuit is coupled to the template registers and is responsive to an input bundle of instructions and associated index value. The dispatch logic circuit reads a code from a selected one of the plurality of template registers referenced by the index value and issues one or more selected instructions in the bundle to at least one execution unit of a selected type responsive to the code read from the selected one of the plurality of template registers.
REFERENCES:
patent: 5761470 (1998-06-01), Yoshida
patent: 6415376 (2002-07-01), Mohamed et al.
Hastings et al., When is a Memory Not a Memory?, Electro/87 and Mini/Micro Northeast Conference Record, 1987.
Keltcher Paul
Vondran Gary
Ellis Richard L.
Lange Richard P.
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