tree a34c72a35f260e0680a486e3b98e7965dfcdc687
parent b3ab25b58945f1bd22da1be2eb49dc3eb121011e
author buzbee <buzbee@google.com> 1332188033 -0700
committer buzbee <buzbee@google.com> 1332188273 -0700

Restore card marking, minor tuning

Restore GC card marks that were mistakenly dropped during an
earlier retructuring.  Add debugging to code to gather opcode
frequency statics.  Minor tuning for code size.

Change-Id: I117f62c29e29250277166e7f005706e27998f77a