Something like this is done by gcc & clang: https://gcc.gnu.org/wiki/FunctionMul... | Hacker News

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mmozeiko on Feb 7, 2018 | parent | context | favorite | on: The cpu_features library

Something like this is done by gcc & clang:

https://gcc.gnu.org/wiki/FunctionMultiVersioning

https://lwn.net/Articles/691932/

https://llvm.org/devmtg/2014-10/Slides/Christopher-Function%...

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