[jdk11u-dev] RFR: 8248238: Implementation: JEP 388: Windows AArch64 Support [v8]

[Andrew Haley]

On Mon, 1 Nov 2021 19:55:33 GMT, Reka Kovacs <rkovacs at openjdk.org> wrote:

>> Main commit of the Windows/AArch64 port.
>> 
>> Also fixes [JDK-8272181](https://bugs.openjdk.java.net/browse/JDK-8272181) by adding [`src/hotspot/os_cpu/windows_aarch64/pauth_windows_aarch64.inline.hpp`](https://github.com/openjdk/jdk11u-dev/pull/301/files#diff-235302dc4618158c4f75771ebbb6f0e4beeee5daf0a537b03ee4253a711268c6), which is needed for a successful Windows-AArch64 build.
>> 
>> Depends on #274 and #299.
>
> Reka Kovacs has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains one commit:
> 
>   Backport 9604ee82690f89320614b37bfef4178abc869777

Looks good. We'll need another reviewer.

src/hotspot/cpu/aarch64/aarch64.ad line 5436:

> 5434:   // ARM instructions are of fixed length
> 5435:   fixed_size_instructions;        // Fixed size instructions TODO does
> 5436:   max_instructions_per_bundle = 4;   // A53 = 2, A57 = 4

This looks very odd. What has it got to do with the Windows port?

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PR: https://git.openjdk.java.net/jdk11u-dev/pull/301