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Commit 35d75aed authored by Jonathan Peyton's avatar Jonathan Peyton
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Minor improvement of KMP_YIELD_NOW() macro. 

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

Patch by Hansang Bae

Differential Revision: https://reviews.llvm.org/D31008

llvm-svn: 298314
parent 16fd8fec
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