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8244821: Shenandoah: disarmed_value is initialized at wrong place

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Reviewed-by: shade
This commit is contained in:
Zhengyu Gu 2020-05-12 10:01:36 -04:00
parent a6cdce1404
commit 25dcb1f717
2 changed files with 2 additions and 1 deletions
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1
src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.cpp
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@ -164,6 +164,7 @@ void ShenandoahBarrierSet::on_thread_attach(Thread *thread) {
if (thread->is_Java_thread()) {
ShenandoahThreadLocalData::set_gc_state(thread, _heap->gc_state());
ShenandoahThreadLocalData::initialize_gclab(thread);
ShenandoahThreadLocalData::set_disarmed_value(thread, ShenandoahCodeRoots::disarmed_value());
}
}

2
src/hotspot/share/gc/shenandoah/shenandoahThreadLocalData.hpp
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@ -55,7 +55,7 @@ private:
_gclab_size(0),
_worker_id(INVALID_WORKER_ID),
_force_satb_flush(false),
_disarmed_value(ShenandoahCodeRoots::disarmed_value()) {
_disarmed_value(0) {
// At least on x86_64, nmethod entry barrier encodes _disarmed_value offset
// in instruction as disp8 immed