[jdk11u-dev] RFR: 8279225: [arm32] C1 longs comparison operation destroys argument registers

[Aleksey Shipilev]

Clean backport to fix ARM32 and get parity with 11.0.5-oracle.

Additional testing:
 - [x] `java/math/BigDecimal/DivideMcTests.java` with `-XX:+TieredCompilation` on ARM32 fails before the patch, passes with it

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Commit messages:
 - Backport 299022dfacbcb49e3bc5beca8ff9b1fca1101493

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/743/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=743&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8279225
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/743.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/743/head:pull/743

PR: https://git.openjdk.java.net/jdk11u-dev/pull/743