RFR: 8300109: RISC-V: Improve code generation for MinI/MaxI nodes [v2]

[Fei Yang]

On Mon, 16 Jan 2023 09:59:04 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Looks okay. I was wondering if it was possible to have multiple `match(...)`-es per `instruct`, so we could coalesce the symmetric "compare with zero" cases. But it is fine as it is.

Good suggestion. Fixed in the last commit. Also corrected the pipeline for those nodes.

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PR: https://git.openjdk.org/jdk/pull/11988