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8244997: Convert the JavaThread::_threadObj oop to use OopStorage

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Move the oop and handle releasing it in the service thread.  Remove Universe::oops_do from callers.

Co-authored-by: Erik Osterlund <erik.osterlund@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: dholmes, zgu, eosterlund, cjplummer
This commit is contained in:
Coleen Phillimore 2020-08-07 07:53:26 -04:00
parent 4d3baa2d37
commit 0c9e0c2e7f
46 changed files with 162 additions and 207 deletions
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6
src/hotspot/share/c1/c1_LIRGenerator.cpp
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@ -1315,8 +1315,12 @@ void LIRGenerator::do_isPrimitive(Intrinsic* x) {
// Example: Thread.currentThread()
void LIRGenerator::do_currentThread(Intrinsic* x) {
assert(x->number_of_arguments() == 0, "wrong type");
LIR_Opr temp = new_register(T_ADDRESS);
LIR_Opr reg = rlock_result(x);
__ move_wide(new LIR_Address(getThreadPointer(), in_bytes(JavaThread::threadObj_offset()), T_OBJECT), reg);
__ move(new LIR_Address(getThreadPointer(), in_bytes(JavaThread::threadObj_offset()), T_ADDRESS), temp);
// threadObj = ((OopHandle)_threadObj)->resolve();
access_load(IN_NATIVE, T_OBJECT,
LIR_OprFact::address(new LIR_Address(temp, T_OBJECT)), reg);
}