[jdk21u-dev] RFR: 8291809: Convert compiler/c2/cr7200264/TestSSE2IntVect.java to IR verification test

[SendaoYan]

On Tue, 6 Feb 2024 08:31:02 GMT, SendaoYan <syan at openjdk.org> wrote:

> The option "-XX:LoopUnrollLimit=0" results in no unrolling and consequently no vectorization opportunities in the test code.

TestIntVect.java test fails after patch applied with default jvm options, test pass with -XX:LoopUnrollLimit=0.

It's needed more investigation, and this PR should be closed before the investigation is finished.

[test-vm-flags-pid-2890138.log](https://github.com/openjdk/jdk21u-dev/files/14495390/test-vm-flags-pid-2890138.log)
[pid-2890163-output.log](https://github.com/openjdk/jdk21u-dev/files/14495392/pid-2890163-output.log)
[pid-2890138-output.log](https://github.com/openjdk/jdk21u-dev/files/14495394/pid-2890138-output.log)
[hotspot_pid2890163.log](https://github.com/openjdk/jdk21u-dev/files/14495395/hotspot_pid2890163.log)

[TestIntVect-default-jvm-options.jtr.log](https://github.com/openjdk/jdk21u-dev/files/14495396/TestIntVect-default-jvm-options.jtr.log)

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/235#issuecomment-1978696430