RFR: 8288933: Improve the implementation of Double/Float.isInfinite

[Quan Anh Mai]

On Sun, 17 Jul 2022 10:58:45 GMT, Claes Redestad <redestad at openjdk.org> wrote:

>> @merykitty, the proposed change is functionally correct.
>> 
>> @cl4es, what set of platforms do we usually consider for evaluating performance changes like this?
>
>> @cl4es, what set of platforms do we usually consider for evaluating performance changes like 
> 
> A mix of x86 and aarch64 systems, some old, some new. We could run the microbenchmark on our internal performance system to verify the reported performance gain. I assume the first score column is the baseline and the second the patched version, so a 2x gain on x86, right @merykitty?

@cl4es Thanks very much for your review, I believe this change is trivial, right?

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PR: https://git.openjdk.org/jdk/pull/9238