8280867: Cpuid1Ecx feature parsing is incorrect for AMD CPUs

[GoeLin]

I backport this for parity with 11.0.16-oracle.

I had to resolve one hunk because of different coding style. Trivial.

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Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• Change must be properly reviewed

Issue

• JDK-8280867: Cpuid1Ecx feature parsing is incorrect for AMD CPUs

Reviewers

• Martin Doerr (@TheRealMDoerr - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk11u-dev pull/989/head:pull/989
$ git checkout pull/989

Update a local copy of the PR:
$ git checkout pull/989
$ git pull https://git.openjdk.java.net/jdk11u-dev pull/989/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 989

View PR using the GUI difftool:
$ git pr show -t 989

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk11u-dev/pull/989.diff

[bridgekeeper]

👋 Welcome back goetz! 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.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[mlbridge]

Webrevs

• 00: Full (019035fe)

[openjdk]

@GoeLin This change now passes all automated pre-integration checks.

After integration, the commit message for the final commit will be:

8280867: Cpuid1Ecx feature parsing is incorrect for AMD CPUs

Reviewed-by: mdoerr

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 2 new commits pushed to the master branch:

• 3cf4e70: 8252359: HotSpot Not Identifying it is Running in a Container
• 2f1bee6: 8282887: Potential memory leak in sun.util.locale.provider.HostLocaleProviderAdapterImpl.getNumberPattern() on Windows

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[GoeLin]

/integrate

[openjdk]

Going to push as commit 7f8a11b.
Since your change was applied there have been 14 commits pushed to the master branch:

• fee03ea: 8275337: C1: assert(false) failed: live_in set of first block must be empty
• 132c6c4: 8277093: Vector should throw ClassNotFoundException for a missing class of an element
• a852ad1: 8272358: Some tests may fail when executed with other locales than the US
• b08aae1: 8272908: Missing coverage for certain classes in com.sun.org.apache.xml.internal.security
• 708017c: 8272964: java/nio/file/Files/InterruptCopy.java fails with java.lang.RuntimeException: Copy was not interrupted
• 1b940f3: 8256146: Cleanup test/jdk/java/nio/channels/DatagramChannel/Connect.java
• cd591e4: 8254887: C2: assert(cl->trip_count() > 0) failed: peeling a fully unrolled loop
• aeb7ecf: 8243429: use reproducible random in :vmTestbase_nsk_stress
• 9bca81b: 8240335: C2: assert(found_sfpt) failed: no node in loop that's not input to safepoint
• a3f9671: 8220813: update hotspot tier1_gc tests depending on GC to use @requires vm.gc.X
• ... and 4 more: https://git.openjdk.java.net/jdk11u-dev/compare/4c8b0990333913bb990c40200515dd83149bb843...master

Your commit was automatically rebased without conflicts.

[openjdk]

@GoeLin Pushed as commit 7f8a11b.

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