Methods to optimize a program loop via vector instructions using a shuffle table and a mask store table
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United States of America Patent
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Sep 6, 2016
Grant Date -
Dec 19, 2013
app pub date -
Dec 15, 2011
filing date -
Dec 15, 2011
priority date (Note) -
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Abstract
According to one embodiment, a code optimizer is configured to receive first code having a program loop implemented with scalar instructions to store values of a first array to a second array based on values of a third array. The code optimizer is configured to generate second code representing the program loop with vector instructions including a shuffle instruction and a store instruction, the store instruction to shuffle using a shuffle table elements of the first array based on the second array in a vector manner, the store instruction to store using a mask store table the shuffled elements in the third array in a vector manner.
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