RFR: 8363063: AArch64: [VectorAPI] sve vector math operations are not supported after JDK-8353217

[Aleksey Shipilev]

On Thu, 24 Jul 2025 16:02:41 GMT, Fei Gao <fgao at openjdk.org> wrote:

> This patch fixes a typo introduced in [JDK-8353217](https://github.com/openjdk/jdk/commit/130b0cdaa6604da47a893e5425547acf3d5253f4), which incorrectly disabled SVE vector math symbols. As a result, some vector math test cases such as `jdk/incubator/vector/Double256VectorTests.java` threw exceptions on 256-bit SVE machines with errors like:
> `java.lang.InternalError: not supported: ACOS Species[double, 4, S_256_BIT] acosdx_u10sve`.
> 
> `test/jdk/jdk/incubator/vector` passed on `256-bit sve` machine, `macos` and `neon` machine.

Oh, nice catch! (I was wondering about those test failures recently too.)

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Marked as reviewed by shade (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/26465#pullrequestreview-3052333545