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src/hotspot/cpu/zero/cppInterpreter_zero.cpp

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rev 49289 : 8199735: Mark word updates need to use Access API

*** 273,283 **** monitor = (BasicObjectLock*) istate->stack_base(); oop lockee = monitor->obj(); markOop disp = lockee->mark()->set_unlocked(); monitor->lock()->set_displaced_header(disp); ! if (Atomic::cmpxchg((markOop)monitor, lockee->mark_addr(), disp) != disp) { if (thread->is_lock_owned((address) disp->clear_lock_bits())) { monitor->lock()->set_displaced_header(NULL); } else { CALL_VM_NOCHECK(InterpreterRuntime::monitorenter(thread, monitor)); --- 273,283 ---- monitor = (BasicObjectLock*) istate->stack_base(); oop lockee = monitor->obj(); markOop disp = lockee->mark()->set_unlocked(); monitor->lock()->set_displaced_header(disp); ! if (lockee->cas_set_mark((markOop)monitor, disp) != disp) { if (thread->is_lock_owned((address) disp->clear_lock_bits())) { monitor->lock()->set_displaced_header(NULL); } else { CALL_VM_NOCHECK(InterpreterRuntime::monitorenter(thread, monitor));
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