RFR: 8339063: [aarch64] Skip verify_sve_vector_length after native calls if SVE supports 128 bits VL only [v3]

[Joshua Zhu]

> Please review this minor enhancement that skips verify_sve_vector_length after native calls.
> It works on SVE micro-architecture that only supports 128-bit vector length.

Joshua Zhu has updated the pull request incrementally with one additional commit since the last revision:

  Fix mismatch issue in ad m4 file

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Changes:
  - all: https://git.openjdk.org/jdk/pull/20724/files
  - new: https://git.openjdk.org/jdk/pull/20724/files/c0ec5499..d1910858

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20724&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20724&range=01-02

  Stats: 4 lines in 2 files changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/20724.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20724/head:pull/20724

PR: https://git.openjdk.org/jdk/pull/20724