RFR: 8376164: Optimize AES/ECB/PKCS5Padding implementation using full-message intrinsic stub and parallel RoundKey addition [v5]

[Shawn Emery]

On Wed, 25 Feb 2026 09:10:23 GMT, Marc Chevalier <mchevalier at openjdk.org> wrote:

> Not a review! I've seen the `hotspot-compiler` label and I've just run some testing. I've got a failure on the test `compiler/codegen/aes/TestAESMain.java` using flags `-XX:UseAVX=3 -XX:+UnlockDiagnosticVMOptions -XX:+UseKNLSetting` on a machine with an Intel Xeon Platinum 8358 Processor.

Thank you for your testing @marc-chevalier.  Interesting, as I wasn't able to reproduce this issue using the same options on a AMD EPYC 9J14 96-core processor.

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PR Comment: https://git.openjdk.org/jdk/pull/29385#issuecomment-3963919411