RFR: 8358655: AArch64: Simplify Interpreter::profile_taken_branch [v3]

[Chad Rakoczy]

> [JDK-8358655](https://bugs.openjdk.org/browse/JDK-8358655)
> 
> The aarch64 version of [JDK-8357434](https://bugs.openjdk.org/browse/JDK-8357434)
> 
> The counter is 64-bit, never practically overflows, and no other code cares about it so it is safe to remove
> 
> Additional Testing:
> - [x] Linux aarch64 fastdebug tier 1
> - [x] Linux aarch64 fastdebug tier 2
> - [x] Linux aarch64 fastdebug tier 3
> - [x] Linux aarch64 fastdebug tier 4

Chad Rakoczy 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:

 - Merge remote-tracking branch 'origin/master' into JDK-8358655-profile_taken_branch
 - Remove r1 save
 - 8358655: AArch64: Simplify Interpreter::profile_taken_branch

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/25906/files
  - new: https://git.openjdk.org/jdk/pull/25906/files/c2d5ef37..29cd0043

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=25906&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25906&range=01-02

  Stats: 7765 lines in 302 files changed: 2952 ins; 2951 del; 1862 mod
  Patch: https://git.openjdk.org/jdk/pull/25906.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25906/head:pull/25906

PR: https://git.openjdk.org/jdk/pull/25906