RFR: 8318158: RISC-V: implement roundD/roundF intrinsics [v6]

[Fei Yang]

On Fri, 8 Dec 2023 22:31:07 GMT, Olga Mikhaltsova <omikhaltcova at openjdk.org> wrote:

> Yes, that's right, I verified output of this algorithm against the current java implementation on the full 32-bit range.

Hi, can you share with us your test? I am also trying to understand how this works. Thanks.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16382#discussion_r1423360084