[VM] Reland Support some 32bit instructions in 64bit assemblers.

These instructions will soon be used for for smaller (32 bit) Smis.
Also fix broken ubfiz instruction in ARM64 assembler.

This reland fixes the disassembler test that used Stop
instructions which disassemble differently on Mac
because constants have higher addresses.

Originally reviewed at
https://dart-review.googlesource.com/c/sdk/+/43668

Fix assembler test on Mac

R=kustermann@google.com

Change-Id: I61f8626184af495f18a74b5fef07bad02b6615e9
Reviewed-on: https://dart-review.googlesource.com/45240
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Erik Corry <erikcorry@google.com>
10 files changed
tree: 90b3983f362f0d4906f75e5dbada3b51c7872fa4
  1. build/
  2. client/
  3. docs/
  4. pkg/
  5. runtime/
  6. samples/
  7. samples-dev/
  8. sdk/
  9. tests/
  10. third_party/
  11. tools/
  12. utils/
  13. .clang-format
  14. .gitattributes
  15. .gitignore
  16. .gn
  17. .mailmap
  18. .packages
  19. AUTHORS
  20. BUILD.gn
  21. CHANGELOG.md
  22. codereview.settings
  23. DEPS
  24. LICENSE
  25. PATENTS
  26. PRESUBMIT.py
  27. README.dart-sdk
  28. README.md
  29. WATCHLISTS
README.md

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