Address offset generation within a data processing system

Electrical computers and digital processing systems: memory – Address formation – Combining two or more values to create address

Reexamination Certificate

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C712S208000, C712S210000, C712S225000

Reexamination Certificate

active

07120779

ABSTRACT:
A data processing system2is provided supporting address offset generating instructions which encode bits of an address offset value using previously redundant bits in a legacy instruction encoding whilst maintaining backwards compatibility with that legacy encoding.

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ARM Limited, “ARM7TDMI Technical Reference Manual” Sept. 2001, pp. 1-13 to 1-25 & 6-4 to 6-5.
A. Krishnaswamy et al, “Profile Guided Selection of ARM and Thumb Instructions ” Association for Computing Machinery, vol. 37, No. 7, Jul. 2002, pp. 56-64.

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