RFR: 8275448: [REDO] AArch64: Implement string_compare intrinsic in SVE [v2]

[Tobias Hartmann]

On Thu, 28 Oct 2021 00:35:33 GMT, TatWai Chong <duke at openjdk.java.net> wrote:

>> After JDK-8269559 was integrated there are failures in tier1 testing
>> across Mac OS X 11.4 (aarch64) machines. Please see JDK-8275263.
>> 
>> This patch is NOT functional; rather, this tends to verify potential
>> toolchain issues as the original patch pass testing on other
>> platforms.
>> 
>> In this patch, we remove new SVE-related matching rules and register
>> class introduced in the original patch to minimally affect the
>> non-SVE part.
>
> TatWai Chong has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add the register class and description for this SVE intrinsic.

All tests passed.

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PR: https://git.openjdk.java.net/jdk/pull/6072