protected override void EmitInstruction(Context context, BaseCodeEmitter codeEmitter)
{
long start = codeEmitter.CurrentPosition;
base.EmitInstruction(context, codeEmitter);
long end = codeEmitter.CurrentPosition;
byte opcodeSize = (byte)(end - start);
var instruction = simAdapter.Convert(context, MethodCompiler.Method, BasicBlocks, opcodeSize);
instruction.Source = context.ToString(); // context.Instruction.ToString(context);
simAdapter.SimCPU.AddInstruction((ulong)(sectionAddress + startPosition + start), instruction);
return;
}
/// <summary>
/// Dumps this instance.
/// </summary>
protected void Dump(bool before)
{
Debug.WriteLine(string.Empty);
Debug.WriteLine("METHOD: " + MethodCompiler.Method.FullName);
Debug.WriteLine("STAGE : " + (before ? "[BEFORE] " : "[AFTER] ") + GetType().Name);
Debug.WriteLine(string.Empty);
for (int index = 0; index < BasicBlocks.Count; index++)
{
for (Context ctx = new Context(BasicBlocks[index]); !ctx.IsBlockEndInstruction; ctx.GotoNext())
{
if (!ctx.IsEmpty)
{
Debug.WriteLine(ctx.ToString());
}
}
}
}
/// <summary>
/// Dumps this instance.
/// </summary>
protected void Dump(bool before)
{
Debug.WriteLine(string.Empty);
Debug.WriteLine("METHOD: " + MethodCompiler.Method.FullName);
Debug.WriteLine("STAGE : " + (before ? "[BEFORE] " : "[AFTER] ") + GetType().Name);
Debug.WriteLine(string.Empty);
for (int index = 0; index < BasicBlocks.Count; index++)
for (Context ctx = new Context(BasicBlocks[index]); !ctx.IsBlockEndInstruction; ctx.GotoNext())
if (!ctx.IsEmpty)
Debug.WriteLine(ctx.ToString());
}
/// <summary>
/// Create platform compound move.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="destination">The destination.</param>
/// <param name="source">The source.</param>
/// <param name="size">The size.</param>
public override void InsertCompoundMoveInstruction(BaseMethodCompiler compiler, Context context, Operand destination, Operand source, int size)
{
const int LargeAlignment = 16;
int alignedSize = size - (size % NativeAlignment);
int largeAlignedTypeSize = size - (size % LargeAlignment);
Debug.Assert(size > 0);
var src = source;
var dest = destination;
Debug.Assert(src.IsMemoryAddress && dest.IsMemoryAddress, context.ToString());
var srcReg = compiler.CreateVirtualRegister(destination.Type.TypeSystem.BuiltIn.I4);
var dstReg = compiler.CreateVirtualRegister(destination.Type.TypeSystem.BuiltIn.I4);
var tmp = compiler.CreateVirtualRegister(destination.Type.TypeSystem.BuiltIn.I4);
var tmpLarge = Operand.CreateCPURegister(destination.Type.TypeSystem.BuiltIn.Void, SSE2Register.XMM1);
context.AppendInstruction(X86.Lea, srcReg, src);
context.AppendInstruction(X86.Lea, dstReg, dest);
for (int i = 0; i < largeAlignedTypeSize; i += LargeAlignment)
{
// Large aligned moves allow 128bits to be copied at a time
var memSrc = Operand.CreateMemoryAddress(destination.Type.TypeSystem.BuiltIn.Void, srcReg, i);
var memDest = Operand.CreateMemoryAddress(destination.Type.TypeSystem.BuiltIn.Void, dstReg, i);
context.AppendInstruction(X86.MovUPS, InstructionSize.Size128, tmpLarge, memSrc);
context.AppendInstruction(X86.MovUPS, InstructionSize.Size128, memDest, tmpLarge);
}
for (int i = largeAlignedTypeSize; i < alignedSize; i += NativeAlignment)
{
context.AppendInstruction(X86.Mov, InstructionSize.Size32, tmp, Operand.CreateMemoryAddress(src.Type.TypeSystem.BuiltIn.I4, srcReg, i));
context.AppendInstruction(X86.Mov, InstructionSize.Size32, Operand.CreateMemoryAddress(dest.Type.TypeSystem.BuiltIn.I4, dstReg, i), tmp);
}
for (int i = alignedSize; i < size; i++)
{
context.AppendInstruction(X86.Mov, InstructionSize.Size8, tmp, Operand.CreateMemoryAddress(src.Type.TypeSystem.BuiltIn.I4, srcReg, i));
context.AppendInstruction(X86.Mov, InstructionSize.Size8, Operand.CreateMemoryAddress(dest.Type.TypeSystem.BuiltIn.I4, dstReg, i), tmp);
}
}
/// <summary>
/// Create platform compound move.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="destination">The destination.</param>
/// <param name="source">The source.</param>
/// <param name="size">The size.</param>
public override void InsertCompoundMoveInstruction(BaseMethodCompiler compiler, Context context, Operand destination, Operand source, int size)
{
int alignedSize = size - (size % NativeAlignment);
Debug.Assert(size > 0);
var src = source;
var dest = destination;
Debug.Assert(src.IsMemoryAddress && dest.IsMemoryAddress, context.ToString());
var srcReg = compiler.CreateVirtualRegister(destination.Type.TypeSystem.BuiltIn.I4);
var dstReg = compiler.CreateVirtualRegister(destination.Type.TypeSystem.BuiltIn.I4);
var tmp = compiler.CreateVirtualRegister(destination.Type.TypeSystem.BuiltIn.I4);
context.AppendInstruction(X86.Lea, srcReg, src);
context.AppendInstruction(X86.Lea, dstReg, dest);
for (int i = 0; i < alignedSize; i += NativeAlignment)
{
context.AppendInstruction(X86.Mov, InstructionSize.Size32, tmp, Operand.CreateMemoryAddress(src.Type.TypeSystem.BuiltIn.I4, srcReg, i));
context.AppendInstruction(X86.Mov, InstructionSize.Size32, Operand.CreateMemoryAddress(dest.Type.TypeSystem.BuiltIn.I4, dstReg, i), tmp);
}
for (int i = alignedSize; i < size; i++)
{
context.AppendInstruction(X86.Mov, InstructionSize.Size8, tmp, Operand.CreateMemoryAddress(src.Type.TypeSystem.BuiltIn.I4, srcReg, i));
context.AppendInstruction(X86.Mov, InstructionSize.Size8, Operand.CreateMemoryAddress(dest.Type.TypeSystem.BuiltIn.I4, dstReg, i), tmp);
}
}
/// <summary>
/// Called to emit a list of instructions offered by the instruction provider.
/// </summary>
protected virtual void EmitInstructions()
{
foreach (BasicBlock block in basicBlocks)
{
BlockStart(block);
for (Context context = new Context(instructionSet, block); !context.EndOfInstruction; context.GotoNext())
if (context.Instruction != null)
if (!context.Ignore)
{
IPlatformInstruction instruction = context.Instruction as IPlatformInstruction;
if (instruction != null)
instruction.Emit(context, codeEmitter);
else
Trace(InternalTrace.CompilerEvent.Error, "Missing Code Transformation: " + context.ToString());
}
BlockEnd(block);
}
}
void IIRVisitor.CompoundMove(Context context)
{
var type = context.Result.Type;
int typeSize = TypeLayout.GetTypeSize(type);
int alignedTypeSize = typeSize - (typeSize % NativeAlignment);
Debug.Assert(typeSize > 0, MethodCompiler.Method.FullName);
var src = context.Operand1;
var dest = context.Result;
Debug.Assert((src.IsMemoryAddress || src.IsSymbol) && dest.IsMemoryAddress, context.ToString());
var srcReg = MethodCompiler.CreateVirtualRegister(dest.Type.TypeSystem.BuiltIn.I4);
var dstReg = MethodCompiler.CreateVirtualRegister(dest.Type.TypeSystem.BuiltIn.I4);
var tmp = MethodCompiler.CreateVirtualRegister(dest.Type.TypeSystem.BuiltIn.I4);
context.SetInstruction(X86.Nop);
if (src.IsSymbol)
{
context.AppendInstruction(X86.Mov, srcReg, src);
}
else
{
context.AppendInstruction(X86.Lea, srcReg, src);
}
context.AppendInstruction(X86.Lea, dstReg, dest);
for (int i = 0; i < alignedTypeSize; i += NativeAlignment)
{
context.AppendInstruction(X86.Mov, InstructionSize.Size32, tmp, Operand.CreateMemoryAddress(TypeSystem.BuiltIn.I4, srcReg, i));
context.AppendInstruction(X86.Mov, InstructionSize.Size32, Operand.CreateMemoryAddress(TypeSystem.BuiltIn.I4, dstReg, i), tmp);
}
for (int i = alignedTypeSize; i < typeSize; i++)
{
context.AppendInstruction(X86.Mov, InstructionSize.Size8, tmp, Operand.CreateMemoryAddress(TypeSystem.BuiltIn.I4, srcReg, i));
context.AppendInstruction(X86.Mov, InstructionSize.Size8, Operand.CreateMemoryAddress(TypeSystem.BuiltIn.I4, dstReg, i), tmp);
}
}
private void CompoundMove(Context context)
{
var type = context.Result.Type;
int typeSize = TypeLayout.GetTypeSize(type);
int alignedTypeSize = typeSize - (typeSize % NativeAlignment);
int largeAlignedTypeSize = typeSize - (typeSize % LargeAlignment);
Debug.Assert(typeSize > 0, MethodCompiler.Method.FullName);
var src = context.Operand1;
var dest = context.Result;
Debug.Assert((src.IsMemoryAddress || src.IsSymbol) && dest.IsMemoryAddress, context.ToString());
var srcReg = MethodCompiler.CreateVirtualRegister(dest.Type.TypeSystem.BuiltIn.I4);
var dstReg = MethodCompiler.CreateVirtualRegister(dest.Type.TypeSystem.BuiltIn.I4);
var tmp = MethodCompiler.CreateVirtualRegister(dest.Type.TypeSystem.BuiltIn.I4);
var tmpLarge = Operand.CreateCPURegister(MethodCompiler.TypeSystem.BuiltIn.Void, SSE2Register.XMM1);
context.SetInstruction(X86.Nop);
if (src.IsSymbol)
{
context.AppendInstruction(X86.Mov, srcReg, src);
}
else
{
context.AppendInstruction(X86.Lea, srcReg, src);
}
context.AppendInstruction(X86.Lea, dstReg, dest);
for (int i = 0; i < largeAlignedTypeSize; i += LargeAlignment)
{
// Large Aligned moves allow 128bits to be copied at a time
var index = Operand.CreateConstant(TypeSystem.BuiltIn.I4, i);
context.AppendInstruction(X86.MovupsLoad, tmpLarge, srcReg, index);
context.AppendInstruction(X86.MovupsStore, null, dstReg, index, tmpLarge);
}
for (int i = largeAlignedTypeSize; i < alignedTypeSize; i += NativeAlignment)
{
var index = Operand.CreateConstant(TypeSystem.BuiltIn.I4, i);
context.AppendInstruction(X86.MovLoad, InstructionSize.Size32, tmp, srcReg, index);
context.AppendInstruction(X86.MovStore, InstructionSize.Size32, null, dstReg, index, tmp);
}
for (int i = alignedTypeSize; i < typeSize; i++)
{
var index = Operand.CreateConstant(TypeSystem.BuiltIn.I4, i);
context.AppendInstruction(X86.MovzxLoad, InstructionSize.Size8, tmp, srcReg, index);
context.AppendInstruction(X86.MovStore, InstructionSize.Size8, null, dstReg, index, tmp);
}
}