[jdk17u-dev] RFR: 8317121: vector_masked_load instruction is moved too early after JDK-8286941

[Goetz Lindenmaier]

I backport this for parity with 17.0.10-oracle.

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Commit messages:
 - Backport cfabcbf85837e97bdd6c9e4e06e875ecbaa70084

Changes: https://git.openjdk.org/jdk17u-dev/pull/1851/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1851&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8317121
  Stats: 125 lines in 2 files changed: 123 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1851.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1851/head:pull/1851

PR: https://git.openjdk.org/jdk17u-dev/pull/1851