8258989: JVM is failed to inline in jdk.internal.vm.vector.VectorSupport::convert

[Wanghuang-Huawei]

$java --add-modules=jdk.incubator.vector -Xcomp -XX:CompileCommand=compileonly,TestCast16BTo2D::* -XX:+UnlockDiagnosticVMOptions -XX:+PrintIntrinsics TestCast16BTo2D
before fixing:
  ** not supported: arity=1 op=cast/5 vlen2=2 etype1=byte ismask=0
                                    @ 3 jdk.internal.util.Preconditions::checkIndex (18 bytes) (intrinsic)
                                      @ 101 java.lang.Object::getClass (0 bytes) (intrinsic)
                                      @ 109 java.lang.Object::getClass (0 bytes) (intrinsic)
                                    @ 3 jdk.internal.util.Preconditions::checkIndex (18 bytes) (intrinsic)
                                    @ 31 jdk.internal.vm.vector.VectorSupport::load (38 bytes) (intrinsic)
                                      @ 128 jdk.internal.vm.vector.VectorSupport::convert (39 bytes) failed to inline (intrinsic)
                                @ 42 jdk.internal.vm.vector.VectorSupport::store (38 bytes) (intrinsic)
Expect:
                                    @ 3 jdk.internal.util.Preconditions::checkIndex (18 bytes) (intrinsic)
                                      @ 101 java.lang.Object::getClass (0 bytes) (intrinsic)
                                      @ 109 java.lang.Object::getClass (0 bytes) (intrinsic)
                                    @ 3 jdk.internal.util.Preconditions::checkIndex (18 bytes) (intrinsic)
                                    @ 31 jdk.internal.vm.vector.VectorSupport::load (38 bytes) (intrinsic)
                                      @ 128 jdk.internal.vm.vector.VectorSupport::convert (39 bytes) (intrinsic)
                                @ 42 jdk.internal.vm.vector.VectorSupport::store (38 bytes) (intrinsic)

---

Progress

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

Issue

• JDK-8258989: JVM is failed to inline in jdk.internal.vm.vector.VectorSupport::convert

Contributors

• He Xuejin <hexuejin2@huawei.com>

Download

$ git fetch https://git.openjdk.java.net/jdk pull/1909/head:pull/1909
$ git checkout pull/1909

[bridgekeeper]

👋 Welcome back whuang! 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]

@Wanghuang-Huawei The following label will be automatically applied to this pull request:

• hotspot-compiler

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.

[openjdk]

@Wanghuang-Huawei Could not parse He Xuejin hexuejin2@huawei.com as a valid contributor.
Syntax: /contributor (add|remove) [@user | openjdk-user | Full Name <email@address>]. For example:

• /contributor add @openjdk-bot
• /contributor add duke
• /contributor add J. Duke <duke@openjdk.org>

[Wanghuang-Huawei]

/contributor add He Xuejin hexuejin2@huawei.com

[openjdk]

@Wanghuang-Huawei
Contributor He Xuejin <hexuejin2@huawei.com> successfully added.

[mlbridge]

Webrevs

• 00: Full (c4776c2)

[iwanowww]

The fix itself looks good, but I think it should be fixed in 16 as well.

Please, re-post the PR against 16.

[Wanghuang-Huawei]

The fix itself looks good, but I think it should be fixed in 16 as well.

Please, re-post the PR against 16.

Should I report a new bug and a new PR against 17 ?

[iwanowww]

Should I report a new bug and a new PR against 17 ?

No need to, fixes from 16 are automatically forward-ported into the mainline (17).

[Wanghuang-Huawei]

Should I report a new bug and a new PR against 17 ?

No need to, fixes from 16 are automatically forward-ported into the mainline (17).

OK. I have posted PR against 16. openjdk/jdk16#74