[riscv-port-jdk17u:riscv-port] RFR: 8285699: riscv: Provide information when hitting a HaltNode

[Fei Yang]

On Tue, 21 Mar 2023 04:22:58 GMT, Xiaolin Zheng <xlinzheng at openjdk.org> wrote:

> Backport one Yadong's patch, which can cleanup some RVC things.
> 
> Tested along with other patches, hotspot tier1~4 with fastdebug build.

Looks good. Thanks.

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Marked as reviewed by fyang (Committer).

PR Review: https://git.openjdk.org/riscv-port-jdk17u/pull/21#pullrequestreview-1351944028