[lworld] RFR: 8267932: [lworld] JIT support for the L/Q model (step 2)

[Tobias Hartmann]

Pushing https://github.com/openjdk/valhalla/pull/474 into the lworld branch. Includes the dependent fix for JDK-8268553 which was not yet merged into lworld.

Best regards,
Tobias

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Commit messages:
 - 8267932: [lworld] JIT support for the L/Q model (step 2)

Changes: https://git.openjdk.java.net/valhalla/pull/475/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=475&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8267932
  Stats: 217 lines in 26 files changed: 100 ins; 50 del; 67 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/475.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/475/head:pull/475

PR: https://git.openjdk.java.net/valhalla/pull/475