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Bit Section Instruction Set Extension of ARM for Embedded Applications

By Bengu Li and Rajiv Gupta

Abstract

Programs that manipulate data at subword level, i.e. bit sections within a word, are common place in the embedded domain. Examples of such applications include media processing as well as network processing codes. These applications spend significant amounts of time packing and unpacking narrow width data into memory words. The execution time and memory overhead of packing and unpacking operations can be greatly reduced by providing direct instruction set support for manipulating bit sections

Topics: General Terms Algorithms, Measurement, Performance Keywords bit section operations, multimedia data, network processing
Publisher: ACM
Year: 2002
OAI identifier: oai:CiteSeerX.psu:10.1.1.19.2344
Provided by: CiteSeerX
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