Patent · US Active

Compare and branch mechanism

US7930526B2 · kind B2 · utility

0Cited by

46References

48Claims

0Family size

Assignee

Arm Limited · GB

Inventors

David John Butcher · King's Lynn, GB
Stephen John Hill · Grantchester, GB
Wilco Dijkstra · Cambridge, GB

Key dates

Filing date	Mar 24, 2004
Grant date	Apr 19, 2011
Priority date	—
Expiry date	Jun 3, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG06F9/4486
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A data processing system is provided that includes an instruction decoder 20 responsive to a compare and branch instruction CHKA.X that performs a comparison between first and second values stored in first and second registers Rn, Rm respectively. A target branch address is determined from a pre-programmed stored value and a branch to a sub-routine is performed in dependence upon a result of the comparison.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.