Integrated: 8340590: RISC-V: C2: Small improvement to vector gather load and scatter store

[Gui Cao]

On Mon, 23 Sep 2024 03:03:23 GMT, Gui Cao <gcao at openjdk.org> wrote:

> Hi, 
> This is a small improvement for RISC-V C2 vector gather load and scatter store nodes. Currently, we emit whole vector register move (vmv1r.v) to move vector idx to a temp vector register. But a normal vector integer move (vmv.v.v) would do and is more reasonable as the vtype and vl are known here.
> 
> 
> ### Testing
> - [x] make test TEST="jdk_vector" JTREG="TIMEOUT_FACTOR=32" on qemu with UseRVV1.0

This pull request has now been integrated.

Changeset: 88801cae
Author:    Gui Cao <gcao at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/88801caef6ccdc5ba9ade2af830f3b3cd96e1467
Stats:     8 lines in 1 file changed: 0 ins; 4 del; 4 mod

8340590: RISC-V: C2: Small improvement to vector gather load and scatter store

Reviewed-by: fyang, dzhang

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PR: https://git.openjdk.org/jdk/pull/21123