[all-commits] [llvm/llvm-project] e0665a: [OpenMP] Add support for Intel's umonitor/umwait

[Terry Wilmarth via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: e0665a9050840650809fa4eb6ef23bd8f5adfbf0
      https://github.com/llvm/llvm-project/commit/e0665a9050840650809fa4eb6ef23bd8f5adfbf0
  Author: Terry Wilmarth <terry.l.wilmarth at intel.com>
  Date:   2020-12-01 (Tue, 01 Dec 2020)

  Changed paths:
    M openmp/runtime/cmake/config-ix.cmake
    M openmp/runtime/src/i18n/en_US.txt
    M openmp/runtime/src/kmp.h
    M openmp/runtime/src/kmp_barrier.cpp
    M openmp/runtime/src/kmp_config.h.cmake
    M openmp/runtime/src/kmp_global.cpp
    M openmp/runtime/src/kmp_lock.cpp
    M openmp/runtime/src/kmp_os.h
    M openmp/runtime/src/kmp_runtime.cpp
    M openmp/runtime/src/kmp_settings.cpp
    M openmp/runtime/src/kmp_stats.h
    M openmp/runtime/src/kmp_taskdeps.cpp
    M openmp/runtime/src/kmp_tasking.cpp
    M openmp/runtime/src/kmp_wait_release.cpp
    M openmp/runtime/src/kmp_wait_release.h
    M openmp/runtime/src/z_Linux_util.cpp
    M openmp/runtime/src/z_Windows_NT_util.cpp

  Log Message:
  -----------
  [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