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8136421: JEP 243: Java-Level JVM Compiler Interface

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Reviewed-by: ihse, alanb, roland, coleenp, iveresov, kvn, kbarrett
This commit is contained in:
Christian Thalinger 2015-10-08 12:49:30 -10:00
parent f5b4bb46f5
commit 16526e000e
505 changed files with 50394 additions and 915 deletions
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42
hotspot/src/share/vm/runtime/vframeArray.cpp
View file

@ -294,7 +294,7 @@ void vframeArrayElement::unpack_on_stack(int caller_actual_parameters,
_frame.patch_pc(thread, pc);
assert (!method()->is_synchronized() || locks > 0 || _removed_monitors, "synchronized methods must have monitors");
assert (!method()->is_synchronized() || locks > 0 || _removed_monitors || raw_bci() == SynchronizationEntryBCI, "synchronized methods must have monitors");
BasicObjectLock* top = iframe()->interpreter_frame_monitor_begin();
for (int index = 0; index < locks; index++) {
@ -317,6 +317,10 @@ void vframeArrayElement::unpack_on_stack(int caller_actual_parameters,
}
}
if (PrintDeoptimizationDetails) {
tty->print_cr("Expressions size: %d", expressions()->size());
}
// Unpack expression stack
// If this is an intermediate frame (i.e. not top frame) then this
// only unpacks the part of the expression stack not used by callee
@ -329,9 +333,26 @@ void vframeArrayElement::unpack_on_stack(int caller_actual_parameters,
switch(value->type()) {
case T_INT:
*addr = value->get_int();
#ifndef PRODUCT
if (PrintDeoptimizationDetails) {
tty->print_cr("Reconstructed expression %d (INT): %d", i, (int)(*addr));
}
#endif
break;
case T_OBJECT:
*addr = value->get_int(T_OBJECT);
#ifndef PRODUCT
if (PrintDeoptimizationDetails) {
tty->print("Reconstructed expression %d (OBJECT): ", i);
oop o = (oop)(address)(*addr);
if (o == NULL) {
tty->print_cr("NULL");
} else {
ResourceMark rm;
tty->print_raw_cr(o->klass()->name()->as_C_string());
}
}
#endif
break;
case T_CONFLICT:
// A dead stack slot. Initialize to null in case it is an oop.
@ -350,9 +371,26 @@ void vframeArrayElement::unpack_on_stack(int caller_actual_parameters,
switch(value->type()) {
case T_INT:
*addr = value->get_int();
#ifndef PRODUCT
if (PrintDeoptimizationDetails) {
tty->print_cr("Reconstructed local %d (INT): %d", i, (int)(*addr));
}
#endif
break;
case T_OBJECT:
*addr = value->get_int(T_OBJECT);
#ifndef PRODUCT
if (PrintDeoptimizationDetails) {
tty->print("Reconstructed local %d (OBJECT): ", i);
oop o = (oop)(address)(*addr);
if (o == NULL) {
tty->print_cr("NULL");
} else {
ResourceMark rm;
tty->print_raw_cr(o->klass()->name()->as_C_string());
}
}
#endif
break;
case T_CONFLICT:
// A dead location. If it is an oop then we need a NULL to prevent GC from following it
@ -394,7 +432,7 @@ void vframeArrayElement::unpack_on_stack(int caller_actual_parameters,
}
#ifndef PRODUCT
if (TraceDeoptimization && Verbose) {
if (PrintDeoptimizationDetails) {
ttyLocker ttyl;
tty->print_cr("[%d Interpreted Frame]", ++unpack_counter);
iframe()->print_on(tty);