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
5 files changed
tree: a34c72a35f260e0680a486e3b98e7965dfcdc687
  1. .gitignore
  3. build/
  4. jdwpspy/
  5. src/
  6. test/
  7. tools/