Minor improvement of KMP_YIELD_NOW() macro.
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Authored by hbae on Wed, Mar 15, 3:51 PM.

Details

Summary

This change slightly improves performance of KMP_YIELD_NOW() macro, by using _rdtsc() intrinsic function if possible.

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Repository
rL LLVM
hbae created this revision.Wed, Mar 15, 3:51 PM
This revision is now accepted and ready to land.Mon, Mar 20, 3:22 PM
This revision was automatically updated to reflect the committed changes.