[jdk21u-dev] RFR: 8319973: AArch64: Save and restore FPCR in the call stub

[Andrew Haley]

On Wed, 9 Oct 2024 16:35:32 GMT, Boris Ulasevich <bulasevich at openjdk.org> wrote:

> Clean backport to ensure correct FPCR handling and to avoid unexpected behavior. Applying it to earlier releases will ensure stability and consistency across all versions. As a next step, I will propose a backport for JDK-8320892, which depends on this change.
> 
> [JDK-8319973](https://bugs.openjdk.org/browse/JDK-8319973): AArch64: Save and restore FPCR in the call stub 
> [JDK-8320892](https://bugs.openjdk.org/browse/JDK-8320892): AArch64: Restore FPU control state after JNI

Yes, I think so. There is no compatibility issue here, because this patch is necessary to ensure standard-compatible behavior in all cases. Thanks.

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Marked as reviewed by aph (Reviewer).

PR Review: https://git.openjdk.org/jdk21u-dev/pull/1042#pullrequestreview-2359656097