[jdk11u-dev] RFR: 8256956: RegisterImpl::max_slots_per_register is incorrect on AMD64

[Jie Fu]

8256956: RegisterImpl::max_slots_per_register is incorrect on AMD64

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Commit messages:
 - Backport b1d149935603a4b1cc2acbaf0de01e42622d4419

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/597/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=597&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8256956
  Stats: 5 lines in 1 file changed: 0 ins; 3 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/597.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/597/head:pull/597

PR: https://git.openjdk.java.net/jdk11u-dev/pull/597