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8255999: Shenandoah: Invoke native-LRB only on non-strong refs, again #1101

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8255999: Shenandoah: Invoke native-LRB only on non-strong refs, again #1101

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8255999: Shenandoah: Invoke native-LRB only on non-strong refs, again
Nov 6, 2020
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Merge branch 'master' into JDK-8255999
Nov 9, 2020
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12 changes: 7 additions & 5 deletions src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.cpp
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Expand Up @@ -99,12 +99,14 @@ bool ShenandoahBarrierSet::need_keep_alive_barrier(DecoratorSet decorators,Basic
}

ShenandoahBarrierSet::AccessKind ShenandoahBarrierSet::access_kind(DecoratorSet decorators, BasicType type) {
if ((decorators & IN_NATIVE) != 0) {
return AccessKind::NATIVE;
} else if ((decorators & (ON_WEAK_OOP_REF | ON_PHANTOM_OOP_REF | ON_UNKNOWN_OOP_REF)) != 0) {
return AccessKind::WEAK;
} else {
if ((decorators & ON_STRONG_OOP_REF) != 0) {
return AccessKind::NORMAL;
} else {
if ((decorators & IN_NATIVE) != 0) {
return AccessKind::NATIVE;
} else {
return AccessKind::WEAK;
}
}
}

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