RFR: 8372941: Rework compiler/intrinsics/sha tests to use intrinsic availability [v5]

[Ramkumar Sunderbabu]

On Thu, 15 Jan 2026 14:41:01 GMT, Ramkumar Sunderbabu <rsunderbabu at openjdk.org> wrote:

>> Predicate probes of the following algos are changed to rely on intrinsics availability in the platform as opposed to hardware support availability.
>> MD5
>> SHA1
>> SHA256
>> SHA3
>> 
>> Testing:
>> All flag combinations from CI
>> hotspot tiers 1 to 5
>> PS: only for tier testings, mac-aarch was skipped due to resource constraints
>
> Ramkumar Sunderbabu has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains five commits:
> 
>  - redo sha3 changes
>  - reverting SHA3 changes
>  - Fix TestUseSHA3IntrinsicsOptionOnSupportedCPU
>  - remove requires condition
>  - initial commit

During testing, TestUseSHA3IntrinsicsOptionOnSupportedCPU failed due to flag wrong behaviour. I have raised JDK-8375443.

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PR Comment: https://git.openjdk.org/jdk/pull/28634#issuecomment-3755669980