RFR: 8349666: RISC-V: enable superwords tests for vector reductions

[Fei Yang]

On Fri, 7 Feb 2025 14:58:13 GMT, Hamlin Li <mli at openjdk.org> wrote:

> Hi,
> Can you help to review this patch?
> 
> On riscv, some vector reduction intrinsics were already implemented, but they are not verified indeed. This patch is to enable these tests on riscv.
> 
> Thanks

LGTM. Did you check ProdRed_*.java under the same directory？Thanks.

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Marked as reviewed by fyang (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/23518#pullrequestreview-2604584328