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