RFR: 8369190: JavaFrameAnchor on AArch64 has unnecessary barriers and wrong store order in MacroAssembler [v5]

[Justin King]

> Remove unnecessary release barriers in `JavaFrameAnchor::{copy,clear}` and fix `MacroAssembler::set_last_Java_frame` to set `sp` last as expected by the profiler.

Justin King has updated the pull request incrementally with two additional commits since the last revision:

 - Add back header inclusion
   
   Signed-off-by: Justin King <jcking at google.com>
 - Move compiler_barrier() to globalDefinitions.hpp and use it
   
   Signed-off-by: Justin King <jcking at google.com>

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/27645/files
  - new: https://git.openjdk.org/jdk/pull/27645/files/016769df..7dc3313c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27645&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27645&range=03-04

  Stats: 50 lines in 7 files changed: 27 ins; 15 del; 8 mod
  Patch: https://git.openjdk.org/jdk/pull/27645.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27645/head:pull/27645

PR: https://git.openjdk.org/jdk/pull/27645