RFR: 8364184: [REDO] AArch64: [VectorAPI] sve vector math operations are not supported after JDK-8353217

[Fei Gao]

On Thu, 31 Jul 2025 16:14:35 GMT, Fei Gao <fgao at openjdk.org> wrote:

> This patch fixes a typo introduced in JDK-8353217, 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` and `neon` machine.

The issue reported in [JDK-8364185](https://bugs.openjdk.org/browse/JDK-8364185) has been addressed separately in https://github.com/openjdk/jdk/pull/26755, which has now been integrated. 

Tier1, tier2 and tier3 testing of this PR and https://github.com/openjdk/jdk/pull/26755 completed successfully, see https://github.com/openjdk/jdk/pull/26755#issuecomment-3194869535.

I believe this pull request is ready for review. Thanks!

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PR Comment: https://git.openjdk.org/jdk/pull/26577#issuecomment-3200571629