8255041: Zero: remove old JSR 292 support leftovers

[shipilev]

JDK-8000780 removed ZeroInterpreter::method_handle_entry, but left its helpers around. These have no uses, and can be eliminated. Attention @rkennke, who did the JDK-8000780 a while ago.

Testing:

• Linux x86_64 fastdebug zero images
• Linux x86_64 release zero bootcycle-images

---

Progress

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

Testing

	Linux x64	Windows x64	macOS x64
Build	✔️ (5/5 passed)	✔️ (2/2 passed)	✔️ (2/2 passed)
Test (tier1)	✔️ (9/9 passed)	❌ (1/9 failed)	✔️ (9/9 passed)

Failed test task

• Windows x64 (hs/tier1 compiler)

Issue

• JDK-8255041: Zero: remove old JSR 292 support leftovers

Reviewers

• Roman Kennke (@rkennke - Reviewer)

Download

$ git fetch https://git.openjdk.java.net/jdk pull/758/head:pull/758
$ git checkout pull/758

[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]

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

• hotspot

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[mlbridge]

Webrevs

• 00: Full (89f8405)

[rkennke]

Looks good to me, thanks!

[openjdk]

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

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

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

8255041: Zero: remove old JSR 292 support leftovers

Reviewed-by: rkennke

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 61 new commits pushed to the master branch:

• f813a28: 8254692: (se) Clarify the behaviour of the non-abstract SelectorProvider::inheritedChannel
• c9269bf: 8255036: Shenandoah: Reset GC state for root verifier
• 839f01d: 8242068: Signed JAR support for RSASSA-PSS and EdDSA
• e559bd2: 8254889: name_and_sig_as_C_string usages in frame coding without ResourceMark
• da97ab5: 8253474: Javadoc clean up in HttpsExchange, HttpsParameters, and HttpsServer
• 7e26404: 8255000: C2: Unify IGVN processing when loop opts are over
• 27230fa: 8255026: C2: Miscellaneous cleanups in Compile and PhaseIdealLoop code
• c107178: 8253964: [Graal] UnschedulableGraphTest#test01fails with expected:<4> but was:<3>
• bd45191: 8255065: Zero: accessor_entry misses the IRIW case
• 2a06335: 8254785: compiler/graalunit/HotspotTest.java failed with "missing Graal intrinsics for: java/lang/StringLatin1.indexOfChar([BIII)I"
• ... and 51 more: https://git.openjdk.java.net/jdk/compare/355f44dd11620b6a6070be13648cdcb35dcd5105...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.

[shipilev]

/integrate

[openjdk]

@shipilev Since your change was applied there have been 63 commits pushed to the master branch:

• 0efdde1: 8238669: Long.divideUnsigned is extremely slow for certain values (Needs to be Intrinsic)
• 365f19c: 8254790: SIGSEGV in string_indexof_char and stringL_indexof_char intrinsics
• f813a28: 8254692: (se) Clarify the behaviour of the non-abstract SelectorProvider::inheritedChannel
• c9269bf: 8255036: Shenandoah: Reset GC state for root verifier
• 839f01d: 8242068: Signed JAR support for RSASSA-PSS and EdDSA
• e559bd2: 8254889: name_and_sig_as_C_string usages in frame coding without ResourceMark
• da97ab5: 8253474: Javadoc clean up in HttpsExchange, HttpsParameters, and HttpsServer
• 7e26404: 8255000: C2: Unify IGVN processing when loop opts are over
• 27230fa: 8255026: C2: Miscellaneous cleanups in Compile and PhaseIdealLoop code
• c107178: 8253964: [Graal] UnschedulableGraphTest#test01fails with expected:<4> but was:<3>
• ... and 53 more: https://git.openjdk.java.net/jdk/compare/355f44dd11620b6a6070be13648cdcb35dcd5105...master

Your commit was automatically rebased without conflicts.

Pushed as commit 8d9e6d0.

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