git: openjdk/jdk: 8266813: Shenandoah: Use shorter instruction sequence for checking if marking in progress

[Zhengyu Gu]

Changeset: 9c9c47e4
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2021-05-11 12:48:22 +0000
URL:       https://git.openjdk.java.net/jdk/commit/9c9c47e403c6d38afd1ce89f46a1887a01964796

8266813: Shenandoah: Use shorter instruction sequence for checking if marking in progress

Reviewed-by: shade

! src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.cpp