[jdk17u-dev] RFR: 8307572: AArch64: Vector registers are clobbered by some macroassemblers [v2]

[Andrew Haley]

On Tue, 13 Jun 2023 06:54:16 GMT, Ningsheng Jian <njian at openjdk.org> wrote:

>> Clean backport of [JDK-8307572](https://bugs.openjdk.org/browse/JDK-8307572) to fix a hidden aarch64 issue, which may cause incorrect result with several common intrinsics used. Test case included in the patch failed without the fix and passed with this patch. No new jtreg test failure with both release and fastdebug build.
>
> Ningsheng Jian 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 two additional commits since the last revision:
> 
>  - Merge remote-tracking branch 'origin/jdk17u-dev' into jdk17u-8307572-backport
>  - Backport 33d9a857308eed53e06b448691910bc8aa2f8fc9
>    
>    Clean backport of JDK-8307572. Fixes a hidden aarch64 issue, which may
>    cause incorrect result with several common intrinsics used.

Marked as reviewed by aph (Reviewer).

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PR Review: https://git.openjdk.org/jdk17u-dev/pull/1406#pullrequestreview-1476641360