RFR: 8280510: AArch64: Vectorize operations with loop induction variable [v2]

[Pengfei Li]

On Tue, 19 Apr 2022 08:45:05 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> Please resolve the merge conflicts.

Done. After merge, this is also tested with recent new jtreg cases in `compiler/vectorization/runner/ArrayIndexFillTest.java`

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PR: https://git.openjdk.java.net/jdk/pull/7491