Integrated: 8266252: Streamline AbstractInterpreter::method_kind

Mon May 10 13:54:40 UTC 2021

On Thu, 29 Apr 2021 16:04:54 GMT, Claes Redestad <redestad at openjdk.org> wrote:

> This patch refactors AbstractInterpreter::method_kind to reduce branches on average while better compartmentalizing the exceptional cases.
> 
> Additionally Method::is_empty_method is trivial enough that making it inlineable helps reduce cost while reducing size of the libjvm.
> 
> Result is a 40% speed-up, or a reduction of .25% of instructions on Hello World that scales to larger applications.

This pull request has now been integrated.

Changeset: e41fd735
Author:    Claes Redestad <redestad at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/e41fd735296e6ad32c422d266a685f7b775be5c2
Stats:     98 lines in 4 files changed: 35 ins; 40 del; 23 mod

8266252: Streamline AbstractInterpreter::method_kind

Reviewed-by: iklam, coleenp

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PR: https://git.openjdk.java.net/jdk/pull/3798