[riscv-port] Integrated: 8279826: riscv: Preserve result in native wrapper with +UseHeavyMonitors

[Yadong Wang]

On Sat, 15 Jan 2022 03:15:44 GMT, Yadong Wang <yadongwang at openjdk.org> wrote:

> Testing observed a few failures after JDK-8278387. On RISC-V, we followed JDK-8278489: The reason for the failures is in the native-wrappers, in the +UseHeavyMonitors paths, we don't preserve the result register after the native call.
> 
> Hotspot/jdk tier1 passed on the unmatched with -XX:+UseHeavyMonitors, and all jtregs were tested on Qemu without new failures.

This pull request has now been integrated.

Changeset: 80f64ffb
Author:    Yadong Wang <yadongwang at openjdk.org>
URL:       https://git.openjdk.java.net/riscv-port/commit/80f64ffbc2867f88132846421870f1ffa5c9da2e
Stats:     10 lines in 1 file changed: 6 ins; 4 del; 0 mod

8279826: riscv: Preserve result in native wrapper with +UseHeavyMonitors

Reviewed-by: fjiang, fyang

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PR: https://git.openjdk.java.net/riscv-port/pull/46