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8245594: Remove volatile-qualified member functions and parameters from oop class

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Remove volatile qualifications in oop and derived classes; use Atomic for access.

Reviewed-by: dholmes, coleenp
This commit is contained in:
Kim Barrett 2020-05-25 16:21:25 -04:00
parent bc822ffad8
commit d3042cc401
9 changed files with 56 additions and 71 deletions
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9
src/hotspot/share/runtime/thread.cpp
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@ -1665,7 +1665,7 @@ void JavaThread::initialize() {
}
#endif // INCLUDE_JVMCI
_reserved_stack_activation = NULL; // stack base not known yet
(void)const_cast<oop&>(_exception_oop = oop(NULL));
set_exception_oop(oop());
_exception_pc = 0;
_exception_handler_pc = 0;
_is_method_handle_return = 0;
@ -2252,6 +2252,13 @@ bool JavaThread::is_lock_owned(address adr) const {
return false;
}
oop JavaThread::exception_oop() const {
return Atomic::load(&_exception_oop);
}
void JavaThread::set_exception_oop(oop o) {
Atomic::store(&_exception_oop, o);
}
void JavaThread::add_monitor_chunk(MonitorChunk* chunk) {
chunk->set_next(monitor_chunks());