Integrated: 8339643: Port JEP 404 to RISC-V

[Fei Yang]

On Fri, 6 Sep 2024 11:18:35 GMT, Fei Yang <fyang at openjdk.org> wrote:

> The riscv64 implementation of [JDK-8337511](https://bugs.openjdk.org/browse/JDK-8337511) Implement JEP-404: Generational Shenandoah (Experimental).
> This is mainly adapted from the changes in aarch64.
> 
> Testing
> - [x] Gtest (release & fastdebug)
> - [x] hotspot_gc_shenandoah (release & fastdebug)

This pull request has now been integrated.

Changeset: d1bc34fb
Author:    Fei Yang <fyang at openjdk.org>
Committer: William Kemper <wkemper at openjdk.org>
URL:       https://git.openjdk.org/shenandoah/commit/d1bc34fb4cbbaea51c470a6bc088e04427ea82d3
Stats:     88 lines in 4 files changed: 77 ins; 4 del; 7 mod

8339643: Port JEP 404 to RISC-V

Reviewed-by: wkemper, kdnilsen

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PR: https://git.openjdk.org/shenandoah/pull/493