RFR: 8299795: Relativize locals in interpreter frames [v4]

Wed Jan 18 09:48:29 UTC 2023

On Tue, 17 Jan 2023 17:34:53 GMT, Andrew Haley <aph at openjdk.org> wrote:

> > Implementation of relativized locals in interpreter frames for x86. x64, arm, aarch64, ppc64le and riscv. Not relativized locals on zero and s390 but done some changes to cope with the changed generic code. Tested tier1-tier8 on supported platforms. The rest was sanity tested using Qemu, except s390, which was only tested by GitHub Actions.
> 
> Please explain for the record the purpose of this patch. Neither the PR nor the Jira issue explain. I presume it's something to do with making the mounting and unmounting of interpreter frames easier, but this must be said somewhere.

This PR implements JDK-8299795 which is a subtask to JDK-8289296, which briefly explains the reasons for the RFE.
Anyhow I've added more information in JDK-8299795 regarding this PR.

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PR: https://git.openjdk.org/jdk/pull/11902