git: openjdk/jdk: 8282182: Document algorithm used to encode aarch64 logical immediate operands.

[Andrew Dinn]

Changeset: 22e20673
Author:    Andrew Dinn <adinn at openjdk.org>
Date:      2022-05-27 10:09:53 +0000
URL:       https://git.openjdk.java.net/jdk/commit/22e2067349fc8a82bea214a30f5e975bbebcb44b

8282182: Document algorithm used to encode aarch64 logical immediate operands.

Reviewed-by: ngasson, aph

! src/hotspot/cpu/aarch64/immediate_aarch64.cpp