[jdk17u-dev] RFR: 8350483: AArch64: turn on signum intrinsics by default on Ampere CPUs

[Patrick Zhang]

On Sun, 13 Apr 2025 18:48:37 GMT, Goetz Lindenmaier <goetz at openjdk.org> wrote:

>> Status update: backport to 24 has been done (merged), and the operation to 21 is waiting for a dependent change, and 17 would follow up.
>
> Hi @cnqpzhang 
> Thanks for backporting to 21 and 24. 
> One question: is this a regression? Can you name the change that cause the performance regression? Or is this a true optimization.

Hi @GoeLin , could you please help sponsor this and push? With sincere thanks.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/3300#issuecomment-2986472161