/// <summary>
/// Lays out all parameters of the method.
/// </summary>
private void LayoutParameters()
{
var parameters = new List <Operand>();
int offset = 0;
if (MethodCompiler.Method.HasThis || MethodCompiler.Method.HasExplicitThis)
{
++offset;
}
for (int i = 0; i < MethodCompiler.Method.Signature.Parameters.Count + offset; ++i)
{
var parameter = MethodCompiler.GetParameterOperand(i);
parameters.Add(parameter);
}
int returnSize = 0;
if (TypeLayout.IsCompoundType(MethodCompiler.Method.Signature.ReturnType))
{
returnSize = TypeLayout.GetTypeSize(MethodCompiler.Method.Signature.ReturnType);
}
int size = LayoutVariables(parameters, CallingConvention, CallingConvention.OffsetOfFirstParameter + returnSize, false);
MethodCompiler.StackLayout.StackParameterSize = size;
MethodCompiler.TypeLayout.SetMethodParameterStackSize(MethodCompiler.Method, size);
}
public bool CanInline(CompilerMethodData method)
{
if (method.HasDoNotInlineAttribute)
{
return(false);
}
if (method.IsPlugged)
{
return(false);
}
if (method.HasProtectedRegions)
{
return(false);
}
//if (method.HasLoops)
// return false;
if (method.IsVirtual)
{
return(false);
}
// current implementation limitation - can't include methods with addressOf instruction
if (method.HasAddressOfInstruction)
{
return(false);
}
if (method.NonIRInstructionCount > 0)
{
return(false);
}
if (method.IRInstructionCount > MethodCompiler.Compiler.CompilerOptions.InlinedIRMaximum)
{
return(false);
}
var returnType = method.Method.Signature.ReturnType;
if (TypeLayout.IsCompoundType(returnType) && !returnType.IsUI8 && !returnType.IsR8)
{
return(false);
}
return(true);
}
public bool CanInline(CompilerMethodData method)
{
if (method.HasDoNotInlineAttribute)
{
return(false);
}
if (method.IsPlugged)
{
return(false);
}
if (method.HasProtectedRegions)
{
return(false);
}
//if (method.HasLoops)
// return false;
if (method.IsVirtual)
{
return(false);
}
if (method.IROtherInstructionCount > 0)
{
return(false);
}
if (method.IRInstructionCount > IRMaximumForInline)
{
return(false);
}
var returnType = method.Method.Signature.ReturnType;
if (TypeLayout.IsCompoundType(returnType) && !returnType.IsUI8 && !returnType.IsR8)
{
return(false);
}
return(true);
}
private void ProcessInstruction(InstructionNode node)
{
if (node.Instruction == IRInstruction.Load)
{
if (node.MosaType != null &&
TypeLayout.IsCompoundType(node.MosaType) && !node.MosaType.IsUI8 && !node.MosaType.IsR8)
{
if (node.Result.IsVirtualRegister && !repl.ContainsKey(node.Result))
{
repl[node.Result] = MethodCompiler.StackLayout.AddStackLocal(node.MosaType);
}
node.ReplaceInstructionOnly(IRInstruction.CompoundLoad);
}
}
else if (node.Instruction == IRInstruction.Store)
{
if (node.MosaType != null &&
TypeLayout.IsCompoundType(node.MosaType) && !node.MosaType.IsUI8 && !node.MosaType.IsR8)
{
if (node.Operand3.IsVirtualRegister && !repl.ContainsKey(node.Operand3))
{
repl[node.Operand3] = MethodCompiler.StackLayout.AddStackLocal(node.MosaType);
}
node.ReplaceInstructionOnly(IRInstruction.CompoundStore);
}
}
else if (node.Instruction == IRInstruction.Move)
{
if (node.Result.Type.Equals(node.Operand1.Type) &&
TypeLayout.IsCompoundType(node.Result.Type) && !node.Result.Type.IsUI8 && !node.Result.Type.IsR8)
{
// If this move is proceded by a return then remove this instruction
// It is basically a double up caused by some instructions result in the same instruction output
if (node.Next.Instruction == IRInstruction.Return && node.Next.Operand1 == node.Result)
{
node.Next.Operand1 = node.Operand1;
var nopNode = new InstructionNode(IRInstruction.Nop);
node.Previous.Insert(nopNode);
node.Empty();
return;
}
// If this move is preceded by a compound move (which will turn into a compound move) remove this instruction
// It is basically a double up caused by some instructions result in the same IR output
if ((node.Previous.Instruction == IRInstruction.CompoundMove ||
node.Previous.Instruction == IRInstruction.CompoundLoad ||
node.Previous.Instruction == IRInstruction.Call) &&
node.Previous.Result == node.Operand1)
{
if (repl.ContainsKey(node.Previous.Result))
{
repl[node.Result] = repl[node.Previous.Result];
repl.Remove(node.Previous.Result);
}
node.Previous.Result = node.Result;
var nopNode = new InstructionNode(IRInstruction.Nop);
node.Previous.Insert(nopNode);
node.Empty();
return;
}
if (node.Result.IsVirtualRegister && !repl.ContainsKey(node.Result))
{
repl[node.Result] = MethodCompiler.StackLayout.AddStackLocal(node.Result.Type);
}
if (node.Operand1.IsVirtualRegister && !repl.ContainsKey(node.Operand1))
{
repl[node.Operand1] = MethodCompiler.StackLayout.AddStackLocal(node.Operand1.Type);
}
node.ReplaceInstructionOnly(IRInstruction.CompoundMove);
}
}
else if (node.Instruction == IRInstruction.Call)
{
if (node.Result != null &&
TypeLayout.IsCompoundType(node.Result.Type) && !node.Result.Type.IsUI8 && !node.Result.Type.IsR8)
{
if (node.Result.IsVirtualRegister && !repl.ContainsKey(node.Result))
{
repl[node.Result] = MethodCompiler.StackLayout.AddStackLocal(node.Result.Type);
}
}
}
}