[riscv-port-jdk17u:riscv-port] Integrated: 8293566: RISC-V: Clean up push and pop registers

[Dingli Zhang]

On Wed, 19 Apr 2023 01:37:12 GMT, Dingli Zhang <dzhang at openjdk.org> wrote:

> Please review this backport to riscv-port-jdk17u.
> Backport of [JDK-8293566](https://bugs.openjdk.org/browse/JDK-8293566).
> The original patch cannot be directly applied because 17u already had [JDK-8295396](https://bugs.openjdk.org/browse/JDK-8295396) (which cleanup useless CompressibleRegions) and [JDK-8295968](https://bugs.openjdk.org/browse/JDK-8295968) (which replace vl1r_v with vl1re8_v).
> 
> Testing:
> - Tier1-3 passed without new failure on unmacthed (release).

This pull request has now been integrated.

Changeset: 82ab9107
Author:    Dingli Zhang <dzhang at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
URL:       https://git.openjdk.org/riscv-port-jdk17u/commit/82ab910798848ad285eeda87c21f306f6738f36f
Stats:     63 lines in 5 files changed: 13 ins; 18 del; 32 mod

8293566: RISC-V: Clean up push and pop registers

Reviewed-by: fjiang, fyang
Backport-of: 68645ebffb28605fa2c6afef11f8265fd350b5cb

-------------

PR: https://git.openjdk.org/riscv-port-jdk17u/pull/45