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public static CreateConstant ( MosaType type, int value ) : |
||
| type | MosaType | The type. |
| value | int | The value to create the constant operand for. |
| 리턴 | ||
public Operand CreateConstant(double value)
{
return(Operand.CreateConstant(value, TypeSystem));
}
public Operand CreateConstant(int value)
{
return(Operand.CreateConstant(TypeSystem.BuiltIn.I4, value));
}
public Operand CreateConstant(ulong value)
{
return(Operand.CreateConstant(TypeSystem.BuiltIn.U8, value));
}
private static void PatchInvoke(BaseMethodCompiler methodCompiler, bool withReturn)
{
// check if instance is null (if so, it's a static call to the methodPointer)
MosaField methodPointerField = GetField(methodCompiler.Method.DeclaringType, "methodPointer");
int methodPointerOffset = methodCompiler.TypeLayout.GetFieldOffset(methodPointerField);
Operand methodPointerOffsetOperand = Operand.CreateConstant(methodCompiler.TypeSystem, methodPointerOffset);
MosaField instanceField = GetField(methodCompiler.Method.DeclaringType, "instance");
int instanceOffset = methodCompiler.TypeLayout.GetFieldOffset(instanceField);
Operand instanceOffsetOperand = Operand.CreateConstant(methodCompiler.TypeSystem, instanceOffset);
var size = methodCompiler.Architecture.NativeInstructionSize;
Context b0 = new Context(CreateMethodStructure(methodCompiler, false));
Context b1 = new Context(methodCompiler.BasicBlocks.CreateBlock());
Context b2 = new Context(methodCompiler.BasicBlocks.CreateBlock());
Context b3 = new Context(methodCompiler.BasicBlocks.CreateBlock());
Operand[] vrs = new Operand[methodCompiler.Parameters.Length];
for (int i = 0; i < methodCompiler.Parameters.Length; i++)
{
vrs[i] = methodCompiler.VirtualRegisters.Allocate(methodCompiler.Parameters[i].Type);
if (methodCompiler.TypeLayout.IsCompoundType(methodCompiler.Parameters[i].Type))
{
b0.AppendInstruction(IRInstruction.CompoundMove, vrs[i], methodCompiler.Parameters[i]);
}
else
{
b0.AppendInstruction(IRInstruction.Move, vrs[i], methodCompiler.Parameters[i]);
}
}
Operand thisOperand = vrs[0];
Operand opMethod = methodCompiler.VirtualRegisters.Allocate(methodCompiler.TypeSystem.BuiltIn.U4);
Operand opInstance = methodCompiler.VirtualRegisters.Allocate(thisOperand.Type);
Operand opCompare = methodCompiler.VirtualRegisters.Allocate(methodCompiler.TypeSystem.BuiltIn.I4);
Operand opReturn = withReturn ? methodCompiler.VirtualRegisters.Allocate(methodCompiler.TypeSystem.BuiltIn.Object) : null;
Operand c0 = Operand.CreateConstant(methodCompiler.TypeSystem, 0);
b0.AppendInstruction(IRInstruction.Load, size, opMethod, thisOperand, methodPointerOffsetOperand);
b0.AppendInstruction(IRInstruction.Load, size, opInstance, thisOperand, instanceOffsetOperand);
b0.AppendInstruction(IRInstruction.IntegerCompare, ConditionCode.Equal, opCompare, opInstance, c0);
b0.AppendInstruction(IRInstruction.IntegerCompareBranch, ConditionCode.Equal, null, opCompare, c0);
b0.AddBranchTarget(b2.Block);
b0.AppendInstruction(IRInstruction.Jmp, b1.Block);
// no instance
b1.AppendInstruction(IRInstruction.Call, opReturn, opMethod);
b1.InvokeMethod = methodCompiler.Method;
for (int i = 1; i < methodCompiler.Parameters.Length; i++)
{
b1.AddOperand(vrs[i]);
}
b1.AppendInstruction(IRInstruction.Jmp, b3.Block);
// instance
b2.AppendInstruction(IRInstruction.Call, opReturn, opMethod);
b2.InvokeMethod = methodCompiler.Method;
b2.AddOperand(opInstance);
for (int i = 1; i < methodCompiler.Parameters.Length; i++)
{
b2.AddOperand(vrs[i]);
}
b2.AppendInstruction(IRInstruction.Jmp, b3.Block);
// return
b3.AppendInstruction(IRInstruction.Return, methodCompiler.BasicBlocks.EpilogueBlock);
if (withReturn)
{
b3.SetOperand(0, opReturn);
}
}
public Operand CreateConstant(byte value)
{
return(Operand.CreateConstant(TypeSystem.BuiltIn.U1, value));
}
protected static Operand CreateConstant(MosaType type, uint value)
{
return(Operand.CreateConstant(type, value));
}
protected Operand CreateConstant(float value)
{
return(Operand.CreateConstant(value, TypeSystem));
}
protected Operand CreateConstant(long value)
{
return(Operand.CreateConstant(TypeSystem.BuiltIn.I8, value));
}
protected static Operand CreateConstant(MosaType type, long value)
{
return(Operand.CreateConstant(type, (ulong)value));
}
protected Operand CreateConstant(uint value)
{
return(Operand.CreateConstant(TypeSystem.BuiltIn.U4, value));
}
public static Operand Create(MosaType type, double value)
{
return(Operand.CreateConstant(type, value));
}
public static Operand Create(MosaType type, int value)
{
return(Operand.CreateConstant(type, (long)value));
}
protected Operand CreateConstantR8(double value)
{
return(Operand.CreateConstant(TypeSystem.BuiltIn.R8, value));
}
protected Operand CreateConstantR4(float value)
{
return(Operand.CreateConstant(TypeSystem.BuiltIn.R4, value));
}