Commit 61689259 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


git-svn-id: https://llvm.org/svn/llvm-project/openmp/trunk@298314 91177308-0d34-0410-b5e6-96231b3b80d8
parent d2a2afc3
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