[jdk17u-dev] RFR: 8277411: C2 fast_unlock intrinsic on AArch64 has unnecessary ownership check [v2]

[Dmitry Chuyko]

> Original patch applies cleanly.
> 
> Testing: jtreg tier1, tier2, applications/jcstress on 64-core machine.

Dmitry Chuyko has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'openjdk:master' into JDK-8277411
 - Backport 3d810ad6912b7bca03e212b604cf60412da11c18

-------------

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/660/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/660/files/ac64fa78..49f11412

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=660&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=660&range=00-01

  Stats: 11 lines in 2 files changed: 8 ins; 1 del; 2 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/660.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/660/head:pull/660

PR: https://git.openjdk.org/jdk17u-dev/pull/660