[lilliput-jdk21u:lilliput] RFR: 8340901: [Lilliput/JDK21] Disable some vectorization tests

[Aleksey Shipilev]

On Wed, 25 Sep 2024 11:41:22 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> Some C2 vectorization tests are failing with compact headers enabled, because of different array base offsets, and some vector optimizatons only work on word-boundaries.
> 
> This change disables affected tests when running with +UCOH, and also adds the machinery to be able to match the JVM flag in applyIf annotation parameters (TestFramework.java). The change is similar to what's proposed in https://github.com/openjdk/jdk/pull/20677, except that some other tests are affected (due to improvements in C2 vectorization since JDK21).
> 
> Test:
>  - [x] changed tests with -UCOH
>  - [x] changed tests with +UCOH

Marked as reviewed by shade (Committer).

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PR Review: https://git.openjdk.org/lilliput-jdk21u/pull/35#pullrequestreview-2328394882