Method for performing multiply-substrate operations on packed data
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United States of America Patent
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Jan 12, 1999
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app pub date -
Aug 20, 1996
filing date -
Aug 31, 1995
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Abstract
A method and apparatus for including in a processor instructions for performing multiply-subtract operations on packed data. In one embodiment, a processor is coupled to a memory. The memory has stored therein a first packed data and a second packed data. The processor performs operations on data elements in said first packed data and said second packed data to generate a third packed data in response to receiving an instruction. At least one of the data elements in this third packed data storing the result of performing a multiply-subtract operation on data elements in the first and second packed data.
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