[vectorIntrinsics] RFR: 8265107: Fix effect problems

[Wang Huang]

* Fix some effect problems

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Commit messages:
 - 8265107: Fix effect problems

Changes: https://git.openjdk.java.net/panama-vector/pull/66/files
 Webrev: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=66&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8265107
  Stats: 31 lines in 2 files changed: 0 ins; 5 del; 26 mod
  Patch: https://git.openjdk.java.net/panama-vector/pull/66.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-vector pull/66/head:pull/66

PR: https://git.openjdk.java.net/panama-vector/pull/66