System for executing nested software loops with tracking of loop

Details System for executing nested software loops with tracking of loop System for executing nested software loops with tracking of loop

1998-03-10

2000-11-07

Ellis, Richard L.

Electrical computers and digital processing systems: processing

Processing control

Branching

G06F 930

Patent

active

061450766

ABSTRACT:
A data processing circuit is arranged to execute program instructions defining nested loops. A loop is defined in terms of a start address, an end address and a number of loop iterations. The processing circuit includes a program counter and a plurality of loop counting elements. Each of the loop counting elements includes a start address register, an end address register, a loop iteration register and means for comparing the value stored in the respective end address register with the output from the program counter.

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