RFR: JDK-8305387: JDK-8301995 breaks arm 32-bit [v2]

[Aleksei Voitylov]

> Provides missing implementation for arm32.
> 
> Testing: hotspot/jtreg.

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

  address review comments

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/13596/files
  - new: https://git.openjdk.org/jdk/pull/13596/files/dec02089..4c19fdb1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=13596&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=13596&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/13596.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13596/head:pull/13596

PR: https://git.openjdk.org/jdk/pull/13596