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| author | Jonathan Peyton <jonathan.l.peyton@intel.com> | 2016-07-01 17:37:49 +0000 |
|---|---|---|
| committer | Jonathan Peyton <jonathan.l.peyton@intel.com> | 2016-07-01 17:37:49 +0000 |
| commit | c1666960f9ef148ff86281ce02cab05d3e07b365 (patch) | |
| tree | b4f9dbab6ed0cd6b442b12c80e359de0d30b45ad /llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp | |
| parent | 7b2c997736034eb755143114ec273724ce087c9f (diff) | |
| download | llvm-c1666960f9ef148ff86281ce02cab05d3e07b365.zip llvm-c1666960f9ef148ff86281ce02cab05d3e07b365.tar.gz llvm-c1666960f9ef148ff86281ce02cab05d3e07b365.tar.bz2 | |
Improve performance of #pragma omp single
EPCC Performance of single is considerably worse than plain barrier.
Adding a read-only check to the code before the atomic compare-and-store
helps considerably.
Patch by Terry Wilmarth.
Differential Revision: http://reviews.llvm.org/D21893
llvm-svn: 274369
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp')
0 files changed, 0 insertions, 0 deletions