[jdk23u] Integrated: 8339248: RISC-V: Remove li64 macro assembler routine and related code

[Gui Cao]

On Tue, 3 Sep 2024 10:09:35 GMT, Gui Cao <gcao at openjdk.org> wrote:

> Hi, The same issue also exists in jdk23u. So I would like to backport [JDK-8339248](https://bugs.openjdk.org/browse/JDK-8339248) to jdk23u. with this patch ,it will save us some unnecessary runtime checks. This is a risc-v specific change. Backport is clean, risk is low.
> 
> ### Testing
> - [x] Run hotspot:tier1 tests on SOPHON SG2042 (fastdebug)

This pull request has now been integrated.

Changeset: 691c55ab
Author:    Gui Cao <gcao at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
URL:       https://git.openjdk.org/jdk23u/commit/691c55ab5c0b6d05b43ecd839655c63355fd9952
Stats:     111 lines in 2 files changed: 0 ins; 111 del; 0 mod

8339248: RISC-V: Remove li64 macro assembler routine and related code

Backport-of: 392bdd5734e0ad4e616d52bb7bcafcf85dccbf34

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PR: https://git.openjdk.org/jdk23u/pull/90