RFR: 8325438: Add exhaustive tests for Math.round intrinsics

[Hamlin Li]

On Wed, 7 Feb 2024 16:07:02 GMT, Hamlin Li <mli at openjdk.org> wrote:

> HI,
> Can you have a look at this patch adding some tests for Math.round instrinsics?
> Thanks!
> 
> ### FYI:
> During the development of RoundVF/RoundF, we faced the issues which were only spotted by running test exhaustively against 32/64 bits range of int/long.
> It's helpful to add these exhaustive tests in jdk for future possible usage, rather than build it everytime when needed.
> Of course, we need to put it in `manual` mode, so it's not run when `-automatic` jtreg option is specified which I guess is the mode CI used, please correct me if I'm assume incorrectly.

Hey, I'll be on vacation for a while, so maybe slow in response.
But please leave your comments freely as usual.

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PR Comment: https://git.openjdk.org/jdk/pull/17753#issuecomment-1932383726