| commit | 94338aadf8355b28846f0d21c49142ca29479dc4 | [log] [tgz] |
|---|---|---|
| author | Carl Shapiro <cshapiro@google.com> | Mon Dec 21 11:42:59 2009 -0800 |
| committer | Carl Shapiro <cshapiro@google.com> | Mon Dec 21 15:43:29 2009 -0800 |
| tree | bfc4e126727a3758c21c3f51a111dea7bef41d11 | |
| parent | 2692bae61c54b358248ec57de07e7e4b5dc18c2d [diff] |
Repurpose bits 1 and 2 of the lockword for encoding the hash state of an object. Invert the meaning of the shape bit to match the encoding scheme described in Bacon's paper. Consequently, monitor pointers must have the lower 3 bits stripped before they may be dereferenced.