Electrical computers and digital processing systems: processing – Processing control – Branching
Reexamination Certificate
2007-07-31
2007-07-31
Sparks, Donald (Department: 2181)
Electrical computers and digital processing systems: processing
Processing control
Branching
C712S226000, C712S201000, C712S027000
Reexamination Certificate
active
09993114
ABSTRACT:
For use in a wide-issue processor, a mechanism for, and method of, conditionally executing instructions and a digital signal processor (DSP) incorporating the mechanism or the method. In one embodiment, the mechanism includes: (1) a conditional execution block state machine that tags and generates link pointers for instructions located in a conditional execution block and (2) conditional link pointer registers, associated with stages in a pipeline of the processor, that contain and cause the link pointers to move therethrough as the instructions located in the conditional execution block move through the stages.
REFERENCES:
patent: 6115808 (2000-09-01), Arora
patent: 6421774 (2002-07-01), Henry et al.
patent: 6988190 (2006-01-01), Park
Nguyen Hung T.
Wichman Shannon A.
Meonske Tonia L.
Sparks Donald
VeriSilicon Holdings (Cayman Islands) Co. Ltd.
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