[vectorIntrinsics+fp16] RFR: Merge panama-vector:vectorIntrinsics

[Sandhya Viswanathan]

Bringing the vectorIntrinsics+fp16 branch up to date with vectorIntrinsics.
It is a clean merge.

Best Regards,
Sandhya

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Commit messages:
 - 8275025: Unable to inline vectmask convert
 - 8274569: X86 backend related incorrectness issues in legacy store mask patterns
 - Fix typo in VectorMask.laneIsSet
 - 8274631: assert(false) failed: bad AD file with -XX:UseKNLSetting
 - Merge panama-vector:master
 - 8274509: Remove stray * and stylistic . from doc comments
 - 8274453: (sctp) com/sun/nio/sctp/SctpChannel/CloseDescriptors.java test should be resilient to lsof warnings
 - 8274330: Incorrect encoding of the DistributionPointName object in IssuingDistributionPointExtension
 - 8272562: C2: assert(false) failed: Bad graph detected in build_loop_late
 - 8274340: [BACKOUT] JDK-8271880: Tighten condition for excluding regions from collecting cards with cross-references
 - ... and 1355 more: https://git.openjdk.java.net/panama-vector/compare/e8e72698...d67afb1e

The merge commit only contains trivial merges, so no merge-specific webrevs have been generated.

Changes: https://git.openjdk.java.net/panama-vector/pull/163/files
  Stats: 220954 lines in 3998 files changed: 145232 ins; 51592 del; 24130 mod
  Patch: https://git.openjdk.java.net/panama-vector/pull/163.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-vector pull/163/head:pull/163

PR: https://git.openjdk.java.net/panama-vector/pull/163