[jdk17u] RFR: 8274770: [PPC64] resolve_jobject needs a generic implementation to support load barriers

[Martin Doerr]

Clean backport of JDK-8274770.

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Commit messages:
 - Backport e16b93ad52c96fddd9097c2cb0fa78ae781c547b

Changes: https://git.openjdk.java.net/jdk17u/pull/193/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u&pr=193&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8274770
  Stats: 34 lines in 3 files changed: 31 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk17u/pull/193.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u pull/193/head:pull/193

PR: https://git.openjdk.java.net/jdk17u/pull/193