RFR: 8296507: GCM using more memory than necessary with in-place operations

Wed Nov 16 18:22:16 UTC 2022

On Wed, 16 Nov 2022 16:18:15 GMT, James Baker <duke at openjdk.org> wrote:

> It's possibly worth noting that while this is merely fixing a regression for x86, it's very likely a decent sized performance improvement on arm64, where intrinsics for AES-GCM (depending on JVM vendor) aren't added until after Java 17.

That is why it refers to "combined intrinsic" more than spelling out AVX512.  The change affects all platforms

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PR: https://git.openjdk.org/jdk/pull/11121