tree a07acec5e5228f21a97fef0d5363b238a4ccef27
parent cb6638ff664e3136ccfee3cffb9307e0d43ffbc1
author Hiroshi Yamauchi <yamauchi@google.com> 1447811535 -0800
committer Hiroshi Yamauchi <yamauchi@google.com> 1447959188 -0800

Relax CAS in some uses of Object::AtomicSetReadBarrierPointer.

Aside from the call to change the object from gray to black, the CAS in
AtomicSetReadBarrierPointer doesn't need to be a release CAS.

CC collector Ritz EAAC GC time: 28.4 -> 26.5s (-6.7%) on N5.

Bug: 12687968

Change-Id: Ic162717981b98e7f1e762fd6b27bd0c146187ca4