git: openjdk/mobile: 8222766: Shenandoah: streamline post-LRB CAS barrier (x86)

[duke]

Changeset: d157ebb4
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2019-09-30 22:39:11 +0000
URL:       https://git.openjdk.java.net/mobile/commit/d157ebb4

8222766: Shenandoah: streamline post-LRB CAS barrier (x86)

Reviewed-by: rkennke

! src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.cpp
! src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.hpp