RFR: JDK-8287349: AArch64: Merge LDR instructions to improve C1 OSR performance [v2]

Wed Jun 15 05:58:43 UTC 2022

On Tue, 31 May 2022 07:47:24 GMT, Zhuojun Miao <zmiao at openjdk.org> wrote:

>> Since MacroAssembler added merge_ldst, we can use different
>> destination registers for contiguous-memory LDR instructions to improve performance.
>
> Zhuojun Miao has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:
> 
>  - Merge branch 'master' into JDK-8287349
>  - use ldp explicitly
>  - JDK-8287349: Merge LDR instructions to improve C1 OSR performance

Submitted testing, all passed.

-------------

Marked as reviewed by thartmann (Reviewer).

PR: https://git.openjdk.org/jdk/pull/8933