RFR: 8291302: ARM32: nmethod entry barriers support [v3]

Mon Dec 5 16:30:10 UTC 2022

> This PR implements nmethod entry barriers for ARM32. It has already been implemented for other ports and is related with JDK-8290025 "Remove the Sweeper".

Aleksei Voitylov has updated the pull request incrementally with one additional commit since the last revision:

  remove membar

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/11442/files
  - new: https://git.openjdk.org/jdk/pull/11442/files/34a17994..02439515

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11442&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11442&range=01-02

  Stats: 20 lines in 4 files changed: 11 ins; 4 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/11442.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11442/head:pull/11442

PR: https://git.openjdk.org/jdk/pull/11442