tree 465ee3780acd8b7cb35c8a7f42a1f3c5df3d26ec
parent 0b25c71ac93fb10c484dbacb9e23db505a8e2353
author Hiroshi Yamauchi <yamauchi@google.com> 1423530702 -0800
committer Hiroshi Yamauchi <yamauchi@google.com> 1425432798 -0800

Reserve bits in the lock word for read barriers.

This prepares for the CC collector to use the standard object header
model by storing the read barrier state in the lock word.

Bug: 19355854
Bug: 12687968
Change-Id: Ia7585662dd2cebf0479a3e74f734afe5059fb70f