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

[Sandhya Viswanathan]

Merging final vectorIntrinsics+mask changes into vectorIntrinsics.
It is a clean merge without any conflicts.
Please approve.

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Commit messages:
 - 8274342: AArch64: [vector] AArch64 SVE backend code cleanup
 - 8274331: [Vector API] Build failure on MacOS after JDK-8273949
 - Merge panama-vector:vectorIntrinsics
 - 8274236: Cleanups related to X86 masking support.
 - 8273949: Intrinsic creation for VectorMask.toLong operation.
 - 8273264: AArch64: [vector] Add missing rules for VectorMaskCast
 - 8273406: Optimize various masked vector operations for AVX512 target.
 - 8273367: [Vector API] Fix a regression of rearrange intrinsic after JDK-8272479
 - 8273371: [Vector API] Crash in Assembler::evpermd when code-gen for masked rearrange operation on AVX512
 - 8273205: [Vector API] Crash in C2_MacroAssembler::vprotate_var after JDK-8271366
 - ... and 24 more: https://git.openjdk.java.net/panama-vector/compare/98a7a541...17b43095

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

Changes: https://git.openjdk.java.net/panama-vector/pull/135/files
  Stats: 21686 lines in 101 files changed: 15978 ins; 2075 del; 3633 mod
  Patch: https://git.openjdk.java.net/panama-vector/pull/135.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-vector pull/135/head:pull/135

PR: https://git.openjdk.java.net/panama-vector/pull/135