Efficient execution and emulation of bit scan operations

Methods are disclosed to implement bit scan operations using properties of two's complement arithmetic and compute zero index instructions. A data value may be provided and the most-significant or least-significant bit may be determined using the methods set forth herein.

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Bibliographic Details
Main Authors Breternitz, Jr, Mauricio, Wu, Youfeng, Abir, Tal
Format Patent
LanguageEnglish
Published 30.09.2008
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Summary:Methods are disclosed to implement bit scan operations using properties of two's complement arithmetic and compute zero index instructions. A data value may be provided and the most-significant or least-significant bit may be determined using the methods set forth herein.