[vectorIntrinsics] RFR: 8267375: Aarch64: JVM crashes with option -XX:PrintIdealGraphLevel=3 on SVE backend [v2]

[Ningsheng Jian]

On Thu, 20 May 2021 02:03:45 GMT, Jie Fu <jiefu at openjdk.org> wrote:

>> Wang Huang has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fix bug id
>
> test/hotspot/jtreg/compiler/vectorapi/TestVectorInsertByte.java line 33:
> 
>> 31:  * @bug 8267375
>> 32:  * @modules jdk.incubator.vector
>> 33:  * @run main/othervm -XX:UseSVE=2 -XX:CompileCommand=compileonly,compiler.vectorapi.TestVectorInsertByte::* -XX:PrintIdealGraphLevel=3 -XX:PrintIdealGraphFile=TestVectorInsertByte.xml compiler.vectorapi.TestVectorInsertByte
> 
> I'm afraid -XX:UseSVE would fail on x86.

And I think it also requires c2 enabled. Something like "@requires os.arch == "aarch64" & vm.compiler2.enabled". But is this AArch64 specific? Should it be fixed in jdk/jdk instead? @jatin-bhateja

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PR: https://git.openjdk.java.net/panama-vector/pull/85