Strength reduction compiler optimizations for operations with unknown strides
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United States of America Patent
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Aug 2, 2016
Grant Date -
Jul 9, 2015
app pub date -
Mar 16, 2015
filing date -
Jul 2, 2012
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Abstract
An optimizing compiler includes a strength reduction mechanism that optimizes a computer program that includes operations that have an unknown stride by analyzing the instructions in the computer program in a single pass, determining whether instruction substitution is profitable for original instructions in the code, and performing instruction substitution for one or more original instructions for which instruction substitution is deemed profitable, including operations with unknown strides. The substituted instructions result in strength reduction in the computer program.
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