git: openjdk/mobile: 8230765: Implement nmethod barrier for x86_32 platforms

[duke]

Changeset: 7f3ef14d
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2019-09-09 11:43:16 +0000
URL:       https://git.openjdk.java.net/mobile/commit/7f3ef14d

8230765: Implement nmethod barrier for x86_32 platforms

Reviewed-by: rkennke, eosterlund

! src/hotspot/cpu/x86/gc/shared/barrierSetAssembler_x86.cpp
! src/hotspot/cpu/x86/gc/shared/barrierSetNMethod_x86.cpp
! src/hotspot/cpu/x86/sharedRuntime_x86_32.cpp
! src/hotspot/cpu/x86/stubGenerator_x86_32.cpp
! src/hotspot/cpu/x86/stubRoutines_x86.hpp
! src/hotspot/cpu/x86/stubRoutines_x86_32.cpp
! src/hotspot/share/gc/shared/barrierSetNMethod.cpp
! src/hotspot/share/gc/shared/barrierSetNMethod.hpp
! src/hotspot/share/gc/z/zBarrierSetNMethod.cpp
! src/hotspot/share/gc/z/zBarrierSetNMethod.hpp