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Architectures and Processors forum Count Leading Zeros

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Count Leading Zeros

lesbattersbie lesbattersbie over 12 years ago

Note: This was originally posted on 6th April 2009 at http://forums.arm.com

Using the ARM9 CLZ instruction - I am wondering, generally, how often would it be required to use this function and does it justify its inclusion?

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Jacob Bramley over 12 years ago +1 verified

Note: This was originally posted on 6th April 2009 at http://forums.arm.com It's surprisingly useful when hand-optimizing assembler. I think it has benefits for some cryptographic routines, and it speeds...