8371651: [AArch64] Populate CPU _features flag on Windows

[dhanalla]

Populate CPU feature flags on Windows/AArch64 to enable CPU features CRC32, AES, SHA1, SHA2, SHA3, SHA512, PMULL, ASIMD, LSE, SVE, SVE2 and SVEBITPERM.

Tests performed: jtreg tier1 & tier2

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8371651: [AArch64] Populate CPU _features flag on Windows (Enhancement - P4)

Reviewers

• Brian Stafford (@brianjstafford - Author)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/28461/head:pull/28461
$ git checkout pull/28461

Update a local copy of the PR:
$ git checkout pull/28461
$ git pull https://git.openjdk.org/jdk.git pull/28461/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 28461

View PR using the GUI difftool:
$ git pr show -t 28461

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/28461.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back dhanalla! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[dhanalla]

@brianjstafford, can someone from Microsoft take a look at this PR.

[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

@dhanalla The following label will be automatically applied to this pull request:

• hotspot-runtime

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing list. If you would like to change these labels, use the /label pull request command.

[mlbridge]

Webrevs

• 01: Full - Incremental (d13c1b26)
• 00: Full (40af1503)

[brianjstafford]

LGTM

[dhanalla]

LGTM
Thanks @brianjstafford for reviewing this PR.

[bridgekeeper]

@dhanalla This pull request has been inactive for more than 4 weeks and will be automatically closed if another 4 weeks passes without any activity. To avoid this, simply issue a /touch or /keepalive command to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!

[dhanalla]

@brianjstafford, could you please re‑review this PR with the latest iteration.

[dhanalla]

@theRealAph, could you please help with the review?

[brianjstafford]

LGTM

[bridgekeeper]

@dhanalla This pull request has been inactive for more than 4 weeks and will be automatically closed if another 4 weeks passes without any activity. To avoid this, simply issue a /touch or /keepalive command to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!