Terry Wilmarth e0665a9050 [OpenMP] Add support for Intel's umonitor/umwait
These changes add support for Intel's umonitor/umwait usage in wait
code, for architectures that support those intrinsic functions. Usage of
umonitor/umwait is off by default, but can be turned on by setting the
KMP_USER_LEVEL_MWAIT environment variable.

Differential Revision: https://reviews.llvm.org/D91189
2020-12-01 14:07:46 -06:00
..
2019-07-25 14:36:20 +00:00