git: openjdk/jdk11u-dev: 8266813: Shenandoah: Use shorter instruction sequence for checking if marking in progress

[Aleksey Shipilev]

Changeset: a092a17d
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2021-06-25 12:10:10 +0000
URL:       https://git.openjdk.java.net/jdk11u-dev/commit/a092a17d62b1469321ba6f297fdc831c02355314

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

Reviewed-by: rkennke
Backport-of: 9c9c47e403c6d38afd1ce89f46a1887a01964796

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