[vm/bytecode] Support compact bytecode instructions in VM (part 2/3)

While adding support for new compact bytecode instructions,
VM also keeps support for old bytecode instructions to preserve
backwards compatibility and allow soft transition.

This change is separate from bytecode generator changes in order
to test VM with old bytecode generator.

Corresponding bytecode generator changes:
https://dart-review.googlesource.com/c/sdk/+/99400

Change-Id: Icf5ceee7d51f27ffe3f79d0eae81e0ddc0a7e855
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/101062
Reviewed-by: Ryan Macnak <rmacnak@google.com>
11 files changed
tree: e8155996389cd09c1d281c4e82d111297e757829
  1. .github/
  2. build/
  3. client/
  4. docs/
  5. pkg/
  6. runtime/
  7. samples/
  8. samples-dev/
  9. sdk/
  10. tests/
  11. third_party/
  12. tools/
  13. utils/
  14. .clang-format
  15. .gitattributes
  16. .gitconfig
  17. .gitignore
  18. .gn
  19. .mailmap
  20. .packages
  21. .vpython
  22. AUTHORS
  23. BUILD.gn
  24. CHANGELOG.md
  25. codereview.settings
  26. CONTRIBUTING.md
  27. DEPS
  28. LICENSE
  29. PATENTS
  30. PRESUBMIT.py
  31. README.dart-sdk
  32. README.md
  33. WATCHLISTS
README.md

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