[jdk17] RFR: 8269952: compiler/vectorapi/VectorCastShape*Test.java tests failed on avx2 machines

[Eric Liu]

On Wed, 7 Jul 2021 16:12:33 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

> - Problem relates to incorrect operands being passed and handling for KNL platform which does not support AVX512VLBW feature.

These 2 test cases should be removed from test/hotspot/jtreg/ProblemList.txt[1] in your patch. See https://github.com/openjdk/jdk17/pull/221 for more details.


[1] https://github.com/vnkozlov/jdk17/blob/18a3c59a9bc54c6999e9c72b77c3fc73752df7a5/test/hotspot/jtreg/ProblemList.txt#L73

test/hotspot/jtreg/compiler/vectorapi/VectorCastShape128Test.java line 45:

> 43:  * @modules jdk.incubator.vector
> 44:  * @run testng/othervm -XX:-TieredCompilation compiler.vectorapi.VectorCastShape128Test
> 45:  * @run testng/othervm -XX:-TieredCompilation -XX:+UnlockDiagnosticVMOptions -XX:+UseKNLSetting compiler.vectorapi.VectorCastShape128Test

I suppose `UseKNLSetting` is a x86 specific option, is this okay for other platforms?

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PR: https://git.openjdk.java.net/jdk17/pull/226