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src/hotspot/share/interpreter/bytecodeInterpreter.cpp
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*** 713,723 ****
// Try to rebias.
markOop new_header = (markOop) ( (intptr_t) rcvr->klass()->prototype_header() | thread_ident);
if (hash != markOopDesc::no_hash) {
new_header = new_header->copy_set_hash(hash);
}
! if (Atomic::cmpxchg((void*)new_header, rcvr->mark_addr(), mark) == mark) {
if (PrintBiasedLockingStatistics) {
(* BiasedLocking::rebiased_lock_entry_count_addr())++;
}
} else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, mon), handle_exception);
--- 713,723 ----
// Try to rebias.
markOop new_header = (markOop) ( (intptr_t) rcvr->klass()->prototype_header() | thread_ident);
if (hash != markOopDesc::no_hash) {
new_header = new_header->copy_set_hash(hash);
}
! if (Atomic::cmpxchg(new_header, rcvr->mark_addr(), mark) == mark) {
if (PrintBiasedLockingStatistics) {
(* BiasedLocking::rebiased_lock_entry_count_addr())++;
}
} else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, mon), handle_exception);
*** 732,742 ****
header = header->copy_set_hash(hash);
}
markOop new_header = (markOop) ((uintptr_t) header | thread_ident);
// Debugging hint.
DEBUG_ONLY(mon->lock()->set_displaced_header((markOop) (uintptr_t) 0xdeaddead);)
! if (Atomic::cmpxchg((void*)new_header, rcvr->mark_addr(), header) == header) {
if (PrintBiasedLockingStatistics) {
(* BiasedLocking::anonymously_biased_lock_entry_count_addr())++;
}
} else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, mon), handle_exception);
--- 732,742 ----
header = header->copy_set_hash(hash);
}
markOop new_header = (markOop) ((uintptr_t) header | thread_ident);
// Debugging hint.
DEBUG_ONLY(mon->lock()->set_displaced_header((markOop) (uintptr_t) 0xdeaddead);)
! if (Atomic::cmpxchg(new_header, rcvr->mark_addr(), header) == header) {
if (PrintBiasedLockingStatistics) {
(* BiasedLocking::anonymously_biased_lock_entry_count_addr())++;
}
} else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, mon), handle_exception);
*** 748,758 ****
// Traditional lightweight locking.
if (!success) {
markOop displaced = rcvr->mark()->set_unlocked();
mon->lock()->set_displaced_header(displaced);
bool call_vm = UseHeavyMonitors;
! if (call_vm || Atomic::cmpxchg(mon, rcvr->mark_addr(), displaced) != displaced) {
// Is it simple recursive case?
if (!call_vm && THREAD->is_lock_owned((address) displaced->clear_lock_bits())) {
mon->lock()->set_displaced_header(NULL);
} else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, mon), handle_exception);
--- 748,758 ----
// Traditional lightweight locking.
if (!success) {
markOop displaced = rcvr->mark()->set_unlocked();
mon->lock()->set_displaced_header(displaced);
bool call_vm = UseHeavyMonitors;
! if (call_vm || Atomic::cmpxchg((markOop)mon, rcvr->mark_addr(), displaced) != displaced) {
// Is it simple recursive case?
if (!call_vm && THREAD->is_lock_owned((address) displaced->clear_lock_bits())) {
mon->lock()->set_displaced_header(NULL);
} else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, mon), handle_exception);
*** 912,922 ****
// try rebias
markOop new_header = (markOop) ( (intptr_t) lockee->klass()->prototype_header() | thread_ident);
if (hash != markOopDesc::no_hash) {
new_header = new_header->copy_set_hash(hash);
}
! if (Atomic::cmpxchg((void*)new_header, lockee->mark_addr(), mark) == mark) {
if (PrintBiasedLockingStatistics) {
(* BiasedLocking::rebiased_lock_entry_count_addr())++;
}
} else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, entry), handle_exception);
--- 912,922 ----
// try rebias
markOop new_header = (markOop) ( (intptr_t) lockee->klass()->prototype_header() | thread_ident);
if (hash != markOopDesc::no_hash) {
new_header = new_header->copy_set_hash(hash);
}
! if (Atomic::cmpxchg(new_header, lockee->mark_addr(), mark) == mark) {
if (PrintBiasedLockingStatistics) {
(* BiasedLocking::rebiased_lock_entry_count_addr())++;
}
} else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, entry), handle_exception);
*** 930,940 ****
header = header->copy_set_hash(hash);
}
markOop new_header = (markOop) ((uintptr_t) header | thread_ident);
// debugging hint
DEBUG_ONLY(entry->lock()->set_displaced_header((markOop) (uintptr_t) 0xdeaddead);)
! if (Atomic::cmpxchg((void*)new_header, lockee->mark_addr(), header) == header) {
if (PrintBiasedLockingStatistics) {
(* BiasedLocking::anonymously_biased_lock_entry_count_addr())++;
}
} else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, entry), handle_exception);
--- 930,940 ----
header = header->copy_set_hash(hash);
}
markOop new_header = (markOop) ((uintptr_t) header | thread_ident);
// debugging hint
DEBUG_ONLY(entry->lock()->set_displaced_header((markOop) (uintptr_t) 0xdeaddead);)
! if (Atomic::cmpxchg(new_header, lockee->mark_addr(), header) == header) {
if (PrintBiasedLockingStatistics) {
(* BiasedLocking::anonymously_biased_lock_entry_count_addr())++;
}
} else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, entry), handle_exception);
*** 946,956 ****
// traditional lightweight locking
if (!success) {
markOop displaced = lockee->mark()->set_unlocked();
entry->lock()->set_displaced_header(displaced);
bool call_vm = UseHeavyMonitors;
! if (call_vm || Atomic::cmpxchg(entry, lockee->mark_addr(), displaced) != displaced) {
// Is it simple recursive case?
if (!call_vm && THREAD->is_lock_owned((address) displaced->clear_lock_bits())) {
entry->lock()->set_displaced_header(NULL);
} else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, entry), handle_exception);
--- 946,956 ----
// traditional lightweight locking
if (!success) {
markOop displaced = lockee->mark()->set_unlocked();
entry->lock()->set_displaced_header(displaced);
bool call_vm = UseHeavyMonitors;
! if (call_vm || Atomic::cmpxchg((markOop)entry, lockee->mark_addr(), displaced) != displaced) {
// Is it simple recursive case?
if (!call_vm && THREAD->is_lock_owned((address) displaced->clear_lock_bits())) {
entry->lock()->set_displaced_header(NULL);
} else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, entry), handle_exception);
*** 1853,1863 ****
// try rebias
markOop new_header = (markOop) ( (intptr_t) lockee->klass()->prototype_header() | thread_ident);
if (hash != markOopDesc::no_hash) {
new_header = new_header->copy_set_hash(hash);
}
! if (Atomic::cmpxchg((void*)new_header, lockee->mark_addr(), mark) == mark) {
if (PrintBiasedLockingStatistics)
(* BiasedLocking::rebiased_lock_entry_count_addr())++;
}
else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, entry), handle_exception);
--- 1853,1863 ----
// try rebias
markOop new_header = (markOop) ( (intptr_t) lockee->klass()->prototype_header() | thread_ident);
if (hash != markOopDesc::no_hash) {
new_header = new_header->copy_set_hash(hash);
}
! if (Atomic::cmpxchg(new_header, lockee->mark_addr(), mark) == mark) {
if (PrintBiasedLockingStatistics)
(* BiasedLocking::rebiased_lock_entry_count_addr())++;
}
else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, entry), handle_exception);
*** 1873,1883 ****
header = header->copy_set_hash(hash);
}
markOop new_header = (markOop) ((uintptr_t) header | thread_ident);
// debugging hint
DEBUG_ONLY(entry->lock()->set_displaced_header((markOop) (uintptr_t) 0xdeaddead);)
! if (Atomic::cmpxchg((void*)new_header, lockee->mark_addr(), header) == header) {
if (PrintBiasedLockingStatistics)
(* BiasedLocking::anonymously_biased_lock_entry_count_addr())++;
}
else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, entry), handle_exception);
--- 1873,1883 ----
header = header->copy_set_hash(hash);
}
markOop new_header = (markOop) ((uintptr_t) header | thread_ident);
// debugging hint
DEBUG_ONLY(entry->lock()->set_displaced_header((markOop) (uintptr_t) 0xdeaddead);)
! if (Atomic::cmpxchg(new_header, lockee->mark_addr(), header) == header) {
if (PrintBiasedLockingStatistics)
(* BiasedLocking::anonymously_biased_lock_entry_count_addr())++;
}
else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, entry), handle_exception);
*** 1889,1899 ****
// traditional lightweight locking
if (!success) {
markOop displaced = lockee->mark()->set_unlocked();
entry->lock()->set_displaced_header(displaced);
bool call_vm = UseHeavyMonitors;
! if (call_vm || Atomic::cmpxchg(entry, lockee->mark_addr(), displaced) != displaced) {
// Is it simple recursive case?
if (!call_vm && THREAD->is_lock_owned((address) displaced->clear_lock_bits())) {
entry->lock()->set_displaced_header(NULL);
} else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, entry), handle_exception);
--- 1889,1899 ----
// traditional lightweight locking
if (!success) {
markOop displaced = lockee->mark()->set_unlocked();
entry->lock()->set_displaced_header(displaced);
bool call_vm = UseHeavyMonitors;
! if (call_vm || Atomic::cmpxchg((markOop)entry, lockee->mark_addr(), displaced) != displaced) {
// Is it simple recursive case?
if (!call_vm && THREAD->is_lock_owned((address) displaced->clear_lock_bits())) {
entry->lock()->set_displaced_header(NULL);
} else {
CALL_VM(InterpreterRuntime::monitorenter(THREAD, entry), handle_exception);
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