Integrated: 8309543: Micro-optimize x86 assembler UseCondCardMark

Aleksey Shipilev shade at openjdk.org
Wed Jun 7 13:15:01 UTC 2023


On Tue, 6 Jun 2023 14:24:14 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Noticed this while explaining a related code: there is no need to make a full jump, and a short jump would suffice. Assembler does not know about this shortening, because it is a forward branch.
> 
> Makes a slightly more compact interpreter code.

This pull request has now been integrated.

Changeset: f0236edf
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/f0236edfba1303207e46b5b292cf4c6a18b87d1d
Stats:     1 line in 1 file changed: 0 ins; 0 del; 1 mod

8309543: Micro-optimize x86 assembler UseCondCardMark

Reviewed-by: kvn, mdoerr

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PR: https://git.openjdk.org/jdk/pull/14335


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