RFR: 8322806: Eliminate -Wparentheses warnings in aarch64 code [v2]

[Kim Barrett]

> Please review this change to eliminate some -Wparentheses warnings.  This
> involved simply adding a few parentheses to make some implicit operator
> precedence explicit.
> 
> Testing: mach5 tier1
> 
> Also ran mach5 tier1 with these changes in conjunction enabling -Wparentheses
> and other changes needed to make that work.

Kim Barrett 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 three additional commits since the last revision:

 - simplify assert per review comments
 - Merge branch 'master' into aarch64-wparentheses
 - fix -Wparentheses warnings in aarch64 code

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/17210/files
  - new: https://git.openjdk.org/jdk/pull/17210/files/82e75c86..63ce2307

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=17210&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=17210&range=00-01

  Stats: 5001 lines in 430 files changed: 2678 ins; 929 del; 1394 mod
  Patch: https://git.openjdk.org/jdk/pull/17210.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17210/head:pull/17210

PR: https://git.openjdk.org/jdk/pull/17210