RFR: 8352415: x86: Tighten up template interpreter method entry code

[Aleksey Shipilev]

On Wed, 19 Mar 2025 15:15:46 GMT, Andrew Dinn <adinn at openjdk.org> wrote:

> Have you looked at aarch64 to see if this also a bottleneck there? It could use a similar trick to avoid calling load_mirror (which repeats the first two of three loads that intitialize rcpool).

Only briefly. AArch64 is clunkier, since it does things in pairs, but I think improvements there are possible as well. As usual, we do arch-specific optimizations in separate PRs, with one architecture being a pilot :)

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PR Comment: https://git.openjdk.org/jdk/pull/24114#issuecomment-2737069271