[jdk21u-dev] RFR: 8320206: Some intrinsics/stubs missing vzeroupper on x86_64

[Sandhya Viswanathan]

8320206: Some intrinsics/stubs missing vzeroupper on x86_64

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Commit messages:
 - Backport 9b372e28ceb8b054118027626eb454b8a493740b

Changes: https://git.openjdk.org/jdk21u-dev/pull/75/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=75&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8320206
  Stats: 7 lines in 3 files changed: 7 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/75.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/75/head:pull/75

PR: https://git.openjdk.org/jdk21u-dev/pull/75