public DeoptimizationAction decodeDeoptAction(Constant constant) {
HotSpotVMConfig config = runtime.getConfig();
int actionValue =
((~constant.asInt()) >> config.deoptimizationActionShift)
& intMaskRight(config.deoptimizationActionBits);
DeoptimizationAction action = convertDeoptAction(actionValue);
return action;
}
public DeoptimizationReason convertDeoptReason(int reason) {
HotSpotVMConfig config = runtime.getConfig();
if (reason == config.deoptReasonNone) {
return DeoptimizationReason.None;
}
if (reason == config.deoptReasonNullCheck) {
return DeoptimizationReason.NullCheckException;
}
if (reason == config.deoptReasonRangeCheck) {
return DeoptimizationReason.BoundsCheckException;
}
if (reason == config.deoptReasonClassCheck) {
return DeoptimizationReason.ClassCastException;
}
if (reason == config.deoptReasonArrayCheck) {
return DeoptimizationReason.ArrayStoreException;
}
if (reason == config.deoptReasonUnreached0) {
return DeoptimizationReason.UnreachedCode;
}
if (reason == config.deoptReasonTypeCheckInlining) {
return DeoptimizationReason.TypeCheckedInliningViolated;
}
if (reason == config.deoptReasonOptimizedTypeCheck) {
return DeoptimizationReason.OptimizedTypeCheckViolated;
}
if (reason == config.deoptReasonNotCompiledExceptionHandler) {
return DeoptimizationReason.NotCompiledExceptionHandler;
}
if (reason == config.deoptReasonUnresolved) {
return DeoptimizationReason.Unresolved;
}
if (reason == config.deoptReasonJsrMismatch) {
return DeoptimizationReason.JavaSubroutineMismatch;
}
if (reason == config.deoptReasonDiv0Check) {
return DeoptimizationReason.ArithmeticException;
}
if (reason == config.deoptReasonConstraint) {
return DeoptimizationReason.RuntimeConstraint;
}
if (reason == config.deoptReasonLoopLimitCheck) {
return DeoptimizationReason.LoopLimitCheck;
}
if (reason == config.deoptReasonAliasing) {
return DeoptimizationReason.Aliasing;
}
if (reason == config.deoptReasonTransferToInterpreter) {
return DeoptimizationReason.TransferToInterpreter;
}
throw GraalInternalError.shouldNotReachHere(Integer.toHexString(reason));
}
@Override
public Constant encodeDeoptActionAndReason(
DeoptimizationAction action, DeoptimizationReason reason, int debugId) {
HotSpotVMConfig config = runtime.getConfig();
int actionValue = convertDeoptAction(action);
int reasonValue = convertDeoptReason(reason);
int debugValue = debugId & intMaskRight(config.deoptimizationDebugIdBits);
Constant c =
Constant.forInt(
~((debugValue << config.deoptimizationDebugIdShift)
| (reasonValue << config.deoptimizationReasonShift)
| (actionValue << config.deoptimizationActionShift)));
assert c.asInt() < 0;
return c;
}
public int convertDeoptAction(DeoptimizationAction action) {
HotSpotVMConfig config = runtime.getConfig();
switch (action) {
case None:
return config.deoptActionNone;
case RecompileIfTooManyDeopts:
return config.deoptActionMaybeRecompile;
case InvalidateReprofile:
return config.deoptActionReinterpret;
case InvalidateRecompile:
return config.deoptActionMakeNotEntrant;
case InvalidateStopCompiling:
return config.deoptActionMakeNotCompilable;
default:
throw GraalInternalError.shouldNotReachHere();
}
}
public DeoptimizationAction convertDeoptAction(int action) {
HotSpotVMConfig config = runtime.getConfig();
if (action == config.deoptActionNone) {
return DeoptimizationAction.None;
}
if (action == config.deoptActionMaybeRecompile) {
return DeoptimizationAction.RecompileIfTooManyDeopts;
}
if (action == config.deoptActionReinterpret) {
return DeoptimizationAction.InvalidateReprofile;
}
if (action == config.deoptActionMakeNotEntrant) {
return DeoptimizationAction.InvalidateRecompile;
}
if (action == config.deoptActionMakeNotCompilable) {
return DeoptimizationAction.InvalidateStopCompiling;
}
throw GraalInternalError.shouldNotReachHere();
}
public int convertDeoptReason(DeoptimizationReason reason) {
HotSpotVMConfig config = runtime.getConfig();
switch (reason) {
case None:
return config.deoptReasonNone;
case NullCheckException:
return config.deoptReasonNullCheck;
case BoundsCheckException:
return config.deoptReasonRangeCheck;
case ClassCastException:
return config.deoptReasonClassCheck;
case ArrayStoreException:
return config.deoptReasonArrayCheck;
case UnreachedCode:
return config.deoptReasonUnreached0;
case TypeCheckedInliningViolated:
return config.deoptReasonTypeCheckInlining;
case OptimizedTypeCheckViolated:
return config.deoptReasonOptimizedTypeCheck;
case NotCompiledExceptionHandler:
return config.deoptReasonNotCompiledExceptionHandler;
case Unresolved:
return config.deoptReasonUnresolved;
case JavaSubroutineMismatch:
return config.deoptReasonJsrMismatch;
case ArithmeticException:
return config.deoptReasonDiv0Check;
case RuntimeConstraint:
return config.deoptReasonConstraint;
case LoopLimitCheck:
return config.deoptReasonLoopLimitCheck;
case Aliasing:
return config.deoptReasonAliasing;
case TransferToInterpreter:
return config.deoptReasonTransferToInterpreter;
default:
throw GraalInternalError.shouldNotReachHere();
}
}
public int decodeDebugId(Constant constant) {
HotSpotVMConfig config = runtime.getConfig();
return ((~constant.asInt()) >> config.deoptimizationDebugIdShift)
& intMaskRight(config.deoptimizationDebugIdBits);
}