RFR: 8353237: [AArch64] Incorrect result of VectorizedHashCode intrinsic on Cortex-A53

[Andrew Haley]

On Wed, 9 Apr 2025 13:26:06 GMT, Aleksei Voitylov <avoitylov at openjdk.org> wrote:

> Maybe, but I'm not sure this is the right thing to enforce in the build system across the board either. For example, a cloud vendor with a big Arm fleet without A53s may find such a setting undesirable.

I don't think there is any possibility that a big cloud vendor would notice. From what I see of GCC-generated code, added NOPs are very rare, because GCC tends to schedule loads long before uses. It's likely that there would be no difference to any GCC-generated code.

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PR Comment: https://git.openjdk.org/jdk/pull/24489#issuecomment-2790170370