src/cpu/zero/vm/cppInterpreter_zero.cpp

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rev 5190 : 8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
Summary: Implement profiling for c2 jit compilation. Also enable new cppInterpreter features.


 203 
 204   JavaThread *thread = (JavaThread *) THREAD;
 205   ZeroStack *stack = thread->zero_stack();
 206 
 207   // Allocate and initialize our frame
 208   InterpreterFrame *frame = InterpreterFrame::build(method, CHECK_0);
 209   thread->push_zero_frame(frame);
 210   interpreterState istate = frame->interpreter_state();
 211   intptr_t *locals = istate->locals();
 212 
 213   // Update the invocation counter
 214   if ((UseCompiler || CountCompiledCalls) && !method->is_synchronized()) {
 215     MethodCounters* mcs = method->method_counters();
 216     if (mcs == NULL) {
 217       CALL_VM_NOCHECK(mcs = InterpreterRuntime::build_method_counters(thread, method));
 218       if (HAS_PENDING_EXCEPTION)
 219         goto unwind_and_return;
 220     }
 221     InvocationCounter *counter = mcs->invocation_counter();
 222     counter->increment();
 223     if (counter->reached_InvocationLimit()) {
 224       CALL_VM_NOCHECK(
 225         InterpreterRuntime::frequency_counter_overflow(thread, NULL));
 226       if (HAS_PENDING_EXCEPTION)
 227         goto unwind_and_return;
 228     }
 229   }
 230 
 231   // Lock if necessary
 232   BasicObjectLock *monitor;
 233   monitor = NULL;
 234   if (method->is_synchronized()) {
 235     monitor = (BasicObjectLock*) istate->stack_base();
 236     oop lockee = monitor->obj();
 237     markOop disp = lockee->mark()->set_unlocked();
 238 
 239     monitor->lock()->set_displaced_header(disp);
 240     if (Atomic::cmpxchg_ptr(monitor, lockee->mark_addr(), disp) != disp) {
 241       if (thread->is_lock_owned((address) disp->clear_lock_bits())) {
 242         monitor->lock()->set_displaced_header(NULL);
 243       }




 203 
 204   JavaThread *thread = (JavaThread *) THREAD;
 205   ZeroStack *stack = thread->zero_stack();
 206 
 207   // Allocate and initialize our frame
 208   InterpreterFrame *frame = InterpreterFrame::build(method, CHECK_0);
 209   thread->push_zero_frame(frame);
 210   interpreterState istate = frame->interpreter_state();
 211   intptr_t *locals = istate->locals();
 212 
 213   // Update the invocation counter
 214   if ((UseCompiler || CountCompiledCalls) && !method->is_synchronized()) {
 215     MethodCounters* mcs = method->method_counters();
 216     if (mcs == NULL) {
 217       CALL_VM_NOCHECK(mcs = InterpreterRuntime::build_method_counters(thread, method));
 218       if (HAS_PENDING_EXCEPTION)
 219         goto unwind_and_return;
 220     }
 221     InvocationCounter *counter = mcs->invocation_counter();
 222     counter->increment();
 223     if (counter->reached_InvocationLimit(mcs->backedge_counter())) {
 224       CALL_VM_NOCHECK(
 225         InterpreterRuntime::frequency_counter_overflow(thread, NULL));
 226       if (HAS_PENDING_EXCEPTION)
 227         goto unwind_and_return;
 228     }
 229   }
 230 
 231   // Lock if necessary
 232   BasicObjectLock *monitor;
 233   monitor = NULL;
 234   if (method->is_synchronized()) {
 235     monitor = (BasicObjectLock*) istate->stack_base();
 236     oop lockee = monitor->obj();
 237     markOop disp = lockee->mark()->set_unlocked();
 238 
 239     monitor->lock()->set_displaced_header(disp);
 240     if (Atomic::cmpxchg_ptr(monitor, lockee->mark_addr(), disp) != disp) {
 241       if (thread->is_lock_owned((address) disp->clear_lock_bits())) {
 242         monitor->lock()->set_displaced_header(NULL);
 243       }