8199138: Add RISC-V support to Zero

[shipilev]

Clean backport to enable Zero RISC64 builds in 11u.

Additional testing:

• Cross-compiling Linux Zero RISC64 works
• Resulting binaries run on HiFive Unmatched without problems

---

Progress

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

Issue

• JDK-8199138: Add RISC-V support to Zero

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk11u-dev pull/476/head:pull/476
$ git checkout pull/476

Update a local copy of the PR:
$ git checkout pull/476
$ git pull https://git.openjdk.java.net/jdk11u-dev pull/476/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 476

View PR using the GUI difftool:
$ git pr show -t 476

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk11u-dev/pull/476.diff

[bridgekeeper]

👋 Welcome back shade! 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.

[openjdk]

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

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

8199138: Add RISC-V support to Zero

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 11 new commits pushed to the master branch:

• 620726e: 8262438: sun/security/ssl/SSLLogger/LoggingFormatConsistency.java failed with "SocketException: Socket is closed"
• 76511ca: 8159904: [TEST_BUG] Failure on solaris of java/awt/Window/MultiWindowApp/MultiWindowAppTest.java
• f248ceb: 8265173: [test] divert spurious log output away from stream under test in ProcessBuilder Basic test
• f5e2a9d: 8263897: compiler/c2/aarch64/TestVolatilesSerial.java failed with "java.lang.RuntimeException: Wrong method"
• 89aec26: 8075909: [TEST_BUG] The regression-swing case failed as it does not have the 'Open' button when select 'subdir' folder with NimbusLAF
• 456d4fb: 8159597: [TEST_BUG] closed/javax/swing/JPopupMenu/4760494/bug4760494.java leaves key pressed
• 45d63a8: 8223140: Clean-up in 'ok_to_convert()'
• 5d6ddbe: 8272783: Epsilon: Refactor tests to improve performance
• 2897522: 8273606: Zero: SPARC64 build fails with si_band type mismatch
• 5865def: 8272914: Create hotspot:tier2 and hotspot:tier3 test groups
• ... and 1 more: https://git.openjdk.java.net/jdk11u-dev/compare/ddc3288b8cde25001244fee81896c98b1237affc...master

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.

[mlbridge]

Webrevs

• 00: Full (a8966db0)

[shipilev]

Got the push approval.

/integrate

[openjdk]

Going to push as commit 57aa3d8.
Since your change was applied there have been 17 commits pushed to the master branch:

• b367f67: 8272180: Upgrade JSZip from v3.6.0 to v3.7.1
• cbdb8c2: 8272581: sun/security/pkcs11/Provider/MultipleLogins.sh fails after JDK-8266182
• b1bab7f: 8272570: C2: crash in PhaseCFG::global_code_motion
• 58fe5e8: 8273924: ArrayIndexOutOfBoundsException thrown in java.util.JapaneseImperialCalendar.add()
• 881ae69: 8274326: [macos] Ensure initialisation of sun/lwawt/macosx/CAccessibility in JavaComponentAccessibility.m
• 7f5569c: 8254802: ThrowingPushPromisesAsStringCustom.java fails in "try throwing in GET_BODY"
• 620726e: 8262438: sun/security/ssl/SSLLogger/LoggingFormatConsistency.java failed with "SocketException: Socket is closed"
• 76511ca: 8159904: [TEST_BUG] Failure on solaris of java/awt/Window/MultiWindowApp/MultiWindowAppTest.java
• f248ceb: 8265173: [test] divert spurious log output away from stream under test in ProcessBuilder Basic test
• f5e2a9d: 8263897: compiler/c2/aarch64/TestVolatilesSerial.java failed with "java.lang.RuntimeException: Wrong method"
• ... and 7 more: https://git.openjdk.java.net/jdk11u-dev/compare/ddc3288b8cde25001244fee81896c98b1237affc...master

Your commit was automatically rebased without conflicts.

[openjdk]

@shipilev Pushed as commit 57aa3d8.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.