RFR: 8365911: AArch64: Fix encoding error in sve_cpy for negative floats [v3]

[Emanuel Peter]

On Thu, 4 Sep 2025 09:39:54 GMT, erifan <duke at openjdk.org> wrote:

>> erifan has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Code style fixes
>
> The test failure should be irrelevant to this PR, I can see it in other PR's test results, like https://github.com/egahlin/jdk/actions/runs/17436633376/job/49510579213

@erifan There are only unrelated test failures, so good on testing front.

The patch looks reasonable, though I'm not a aarch64 expert.

Is the issue at all observable from Java? With the wrong encoding, could there be a wrong result that we could test in a jtreg test?

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PR Comment: https://git.openjdk.org/jdk/pull/26951#issuecomment-3257224069