[jdk11u-dev] RFR: 8253015: Aarch64: Move linux code out from generic CPU feature detection [v3]

Reka Kovacs github.com+25946952+rnkovacs at openjdk.java.net
Mon Oct 4 16:38:29 UTC 2021


On Mon, 30 Aug 2021 11:43:00 GMT, Reka Kovacs <github.com+25946952+rnkovacs at openjdk.org> wrote:

>> Not a clean backport. Differences to the original commit:
>> 
>> - Changes to files under `src/hotspot/cpu/aarch64/` and `src/hotspot/os_cpu/linux_aarch64/` are adjusted to cover hardware features supported in JDK 11.
>> - As JDK 11 is built using an older C++ standard than tip, `static_assert`s need to be replaced with `STATIC_ASSERT` macros in `vm_version_linux_aarch64.cpp`.
>> - The GraalVM related changes in `vmStructs_jvmci.cpp`, `AArch64HotSpotLIRGenerator.java` and `GraalHotSpotVMConfig.java` are skipped as they seem to be modifying code added in JDK 14 ([JDK-8226222](https://bugs.openjdk.java.net/browse/JDK-8226222) and [JDK-8231973](https://bugs.openjdk.java.net/browse/JDK-8229201)).
>> 
>> This is part of the Windows/AArch64 port.
>
> Reka Kovacs has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains two commits:
> 
>  - Backport 36998b006d6a9ee8145004778534d1f35a55e068
>  - Backport ec9bee68660acd6abf0b4dd4023ae69514542256

Rebase (dependence has been updated).

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PR: https://git.openjdk.java.net/jdk11u-dev/pull/299


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