[jdk17u-dev] RFR: 8282049: AArch64: Use ZR for integer zero immediate volatile stores [v2]

[Dmitry Chuyko]

> 8282049: AArch64: Use ZR for integer zero immediate volatile stores

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-8282049
 - Backport 413bef6890e9ba820590aa48017c4c7b1d691d24

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Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/664/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/664/files/f5d4e9fb..05b53e53

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=664&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=664&range=00-01

  Stats: 11 lines in 2 files changed: 8 ins; 1 del; 2 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/664.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/664/head:pull/664

PR: https://git.openjdk.org/jdk17u-dev/pull/664