Mercurial > hg > graal-compiler
diff src/os/linux/vm/threadCritical_linux.cpp @ 18415:6dc4f0be9a70
Add support of lzcnt and tzcnt
- support of lzcnt and tzcnt instructions,
- unit tests for lzcnt/tzcnt,
- ability to emit bsf/bsr in case lzcnt/tzcnt were turned off from the command line,
- tightening the stamps produced by ScanBitForward/ReverseNode nodes.
Contributed-By: Igor Veresov <igor.veresov@oracle.com>
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Wed, 19 Nov 2014 13:32:05 +0100 |
parents | f34d701e952e |
children |