Importance

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Abstract

Methods and apparatus for performing a flooring divide operation comprised of a plurality of multiply with right shift instructions. Wherein the multiply with right shift instructions comprises decoding the multiply with right shift instruction and obtaining a portion of signed input data. In response to the decoded instruction and receipt of signed input data portions, controlling processing circuitry to process the portion of the signed input data, selecting a multiplier based on a sign of the signed input data, such that when the sign is negative a first derived constant is selected, and when the sign is positive, a second derived constant is selected. Multiplied input data is then generated by multiplying the portion of the signed input data by the multiplier, and then shifting by the constant size. The shifted multiplied input data is then stored in a storage.

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First Claim