public AILLabel GetLabel(long Position)
{
if (!Labels.TryGetValue(Position, out AILLabel Output))
{
Output = new AILLabel();
Labels.Add(Position, Output);
}
return(Output);
}
private void EmitSynchronization()
{
EmitLdarg(ATranslatedSub.StateArgIdx);
EmitPrivateCall(typeof(AThreadState), nameof(AThreadState.Synchronize));
EmitLdc_I4(0);
AILLabel LblContinue = new AILLabel();
Emit(OpCodes.Bne_Un_S, LblContinue);
EmitLdc_I8(0);
Emit(OpCodes.Ret);
MarkLabel(LblContinue);
}
public void Emit(OpCode ILOp, AILLabel Label)
{
ILBlock.Add(new AILOpCodeBranch(ILOp, Label));
}
public void MarkLabel(AILLabel Label)
{
ILBlock.Add(Label);
}
public void EmitCondBranch(AILLabel Target, ACond Cond)
{
OpCode ILOp;
int IntCond = (int)Cond;
if (OptOpLastCompare != null &&
OptOpLastCompare == OptOpLastFlagSet && BranchOps.ContainsKey(Cond))
{
Ldloc(Tmp3Index, AIoType.Int, OptOpLastCompare.RegisterSize);
Ldloc(Tmp4Index, AIoType.Int, OptOpLastCompare.RegisterSize);
ILOp = BranchOps[Cond];
}
else if (IntCond < 14)
{
int CondTrue = IntCond >> 1;
switch (CondTrue)
{
case 0: EmitLdflg((int)APState.ZBit); break;
case 1: EmitLdflg((int)APState.CBit); break;
case 2: EmitLdflg((int)APState.NBit); break;
case 3: EmitLdflg((int)APState.VBit); break;
case 4:
EmitLdflg((int)APState.CBit);
EmitLdflg((int)APState.ZBit);
Emit(OpCodes.Not);
Emit(OpCodes.And);
break;
case 5:
case 6:
EmitLdflg((int)APState.NBit);
EmitLdflg((int)APState.VBit);
Emit(OpCodes.Ceq);
if (CondTrue == 6)
{
EmitLdflg((int)APState.ZBit);
Emit(OpCodes.Not);
Emit(OpCodes.And);
}
break;
}
ILOp = (IntCond & 1) != 0
? OpCodes.Brfalse
: OpCodes.Brtrue;
}
else
{
ILOp = OpCodes.Br;
}
Emit(ILOp, Target);
}
public void EmitCondBranch(AILLabel Target, ACond Cond)
{
OpCode ILOp;
int IntCond = (int)Cond;
if (LastCmpOp != null && LastFlagOp == LastCmpOp && BranchOps.ContainsKey(Cond))
{
Ldloc(Tmp3Index, AIoType.Int, GetIntType(LastCmpOp));
Ldloc(Tmp4Index, AIoType.Int, GetIntType(LastCmpOp));
if (LastCmpOp.Emitter == AInstEmit.Adds)
{
Emit(OpCodes.Neg);
}
ILOp = BranchOps[Cond];
}
else if (IntCond < 14)
{
int CondTrue = IntCond >> 1;
switch (CondTrue)
{
case 0: EmitLdflg((int)APState.ZBit); break;
case 1: EmitLdflg((int)APState.CBit); break;
case 2: EmitLdflg((int)APState.NBit); break;
case 3: EmitLdflg((int)APState.VBit); break;
case 4:
EmitLdflg((int)APState.CBit);
EmitLdflg((int)APState.ZBit);
Emit(OpCodes.Not);
Emit(OpCodes.And);
break;
case 5:
case 6:
EmitLdflg((int)APState.NBit);
EmitLdflg((int)APState.VBit);
Emit(OpCodes.Ceq);
if (CondTrue == 6)
{
EmitLdflg((int)APState.ZBit);
Emit(OpCodes.Not);
Emit(OpCodes.And);
}
break;
}
ILOp = (IntCond & 1) != 0
? OpCodes.Brfalse
: OpCodes.Brtrue;
}
else
{
ILOp = OpCodes.Br;
}
Emit(ILOp, Target);
}
public AILOpCodeBranch(OpCode ILOp, AILLabel Label)
{
this.ILOp = ILOp;
this.Label = Label;
}