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

[Jatin Bhateja]

Merge latest code from vectorIntrinsics into vectorIntrinsics+compress branch

Thanks,
Jatin

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Commit messages:
 - Merge branch 'vectorIntrinsics' of http://github.com/openjdk/panama-vector into merge_vectorIntrinsics
 - Update perf tests.

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - vectorIntrinsics+compress: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=161&range=00.0
 - panama-vector:vectorIntrinsics: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=161&range=00.1

Changes: https://git.openjdk.java.net/panama-vector/pull/161/files
  Stats: 6674 lines in 39 files changed: 3836 ins; 2838 del; 0 mod
  Patch: https://git.openjdk.java.net/panama-vector/pull/161.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-vector pull/161/head:pull/161

PR: https://git.openjdk.java.net/panama-vector/pull/161