RFR: 8299795: Relativize locals in interpreter frames [v2]

[Fei Yang]

On Wed, 11 Jan 2023 09:22:03 GMT, Fredrik Bredberg <duke 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.
>
> Fredrik Bredberg has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Updated some copyright dates.

Also verified on linux-riscv64 HiFive Unmatched board running hotspot_loom & jdk_loom jtreg tests with extra VM options: -XX:+VerifyStack -XX:+VerifyContinuations.

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