/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
var result = context.Result;
var address = methodCompiler.CreateVirtualRegister(methodCompiler.TypeSystem.BuiltIn.I4);
context.SetInstruction(IRInstruction.Move, address, Operand.CreateUnmanagedSymbolPointer(methodCompiler.TypeSystem, Multiboot0695Stage.MultibootEBX));
context.AppendInstruction(IRInstruction.Move, result, Operand.CreateMemoryAddress(methodCompiler.TypeSystem.BuiltIn.I4, address, 0));
}
private static void PatchConstructor(BaseMethodCompiler methodCompiler)
{
Operand thisOperand = methodCompiler.Parameters[0];
Operand instanceOperand = methodCompiler.Parameters[1];
Operand methodPointerOperand = methodCompiler.Parameters[2];
var size = methodCompiler.Architecture.NativeInstructionSize;
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 context = new Context(CreateMethodStructure(methodCompiler, true));
Operand v1 = methodCompiler.CreateVirtualRegister(thisOperand.Type);
Operand v2 = methodCompiler.CreateVirtualRegister(methodPointerOperand.Type);
Operand v3 = methodCompiler.CreateVirtualRegister(instanceOperand.Type);
context.AppendInstruction(IRInstruction.LoadInteger, v1, methodCompiler.StackFrame, thisOperand);
context.AppendInstruction(IRInstruction.LoadInteger, v2, methodCompiler.StackFrame, methodPointerOperand);
context.AppendInstruction(IRInstruction.LoadInteger, v3, methodCompiler.StackFrame, instanceOperand);
context.AppendInstruction(IRInstruction.StoreInteger, size, null, v1, methodPointerOffsetOperand, v2);
context.MosaType = methodPointerOperand.Type;
context.AppendInstruction(IRInstruction.StoreInteger, size, null, v1, instanceOffsetOperand, v3);
context.MosaType = instanceOperand.Type;
context.AppendInstruction(IRInstruction.Return, methodCompiler.BasicBlocks.EpilogueBlock);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
var operand = context.Operand1;
if (!operand.IsConstant)
{
// try to find the constant - a bit of a hack
Context ctx = new Context(operand.Definitions[0]);
if (ctx.Instruction == IRInstruction.Move && ctx.Operand1.IsConstant)
{
operand = ctx.Operand1;
}
}
Debug.Assert(operand.IsConstant);
int irq = (int)operand.ConstantSignedLongInteger;
// Find the method
var method = methodCompiler.TypeSystem.DefaultLinkerType.FindMethodByName("InterruptISR" + irq.ToString());
if (method == null)
{
throw new InvalidCompilerException();
}
context.SetInstruction(IRInstruction.Move, context.Result, Operand.CreateSymbolFromMethod(methodCompiler.TypeSystem, method));
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Debug.Assert(context.Result.IsI4 | context.Result.IsU4);
Operand zero = Operand.CreateConstant(methodCompiler.TypeSystem, 0);
context.SetInstruction(X86.MovzxLoad, InstructionSize.Size16, context.Result, context.Operand1, zero);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
var result = context.Result;
var dividend = context.Operand1;
var divisor = context.Operand2;
if (result.IsR8)
{
var xmm1 = methodCompiler.CreateVirtualRegister(methodCompiler.TypeSystem.BuiltIn.R8);
var xmm2 = methodCompiler.CreateVirtualRegister(methodCompiler.TypeSystem.BuiltIn.R8);
var xmm3 = methodCompiler.CreateVirtualRegister(methodCompiler.TypeSystem.BuiltIn.R8);
var size = InstructionSize.Size64;
context.SetInstruction(X86.Divsd, size, xmm1, dividend, divisor);
context.AppendInstruction(X86.Roundsd, size, xmm2, xmm1, Operand.CreateConstant(methodCompiler.TypeSystem.BuiltIn.U1, 0x3));
context.AppendInstruction(X86.Mulsd, size, xmm3, divisor, xmm2);
context.AppendInstruction(X86.Subsd, size, result, dividend, xmm3);
}
else
{
var xmm1 = methodCompiler.CreateVirtualRegister(methodCompiler.TypeSystem.BuiltIn.R4);
var xmm2 = methodCompiler.CreateVirtualRegister(methodCompiler.TypeSystem.BuiltIn.R4);
var xmm3 = methodCompiler.CreateVirtualRegister(methodCompiler.TypeSystem.BuiltIn.R4);
var size = InstructionSize.Size32;
context.SetInstruction(X86.Divss, size, xmm1, dividend, divisor);
context.AppendInstruction(X86.Roundss, size, xmm2, xmm1, Operand.CreateConstant(methodCompiler.TypeSystem.BuiltIn.U1, 0x3));
context.AppendInstruction(X86.Mulss, size, xmm3, divisor, xmm2);
context.AppendInstruction(X86.Subss, size, result, dividend, xmm3);
}
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand methodAddress = context.Operand1;
Operand newESP = context.Operand2;
context.SetInstruction(X86.Call, null, methodAddress);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
var zero = Operand.CreateConstant(methodCompiler.TypeSystem.BuiltIn.I4, 0);
var MultibootEAX = Operand.CreateUnmanagedSymbolPointer(methodCompiler.TypeSystem, Multiboot0695Stage.MultibootEAX);
context.SetInstruction(IRInstruction.Load2, context.Result, MultibootEAX, zero);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand result = context.Result;
Operand imm = methodCompiler.CreateVirtualRegister(methodCompiler.TypeSystem.BuiltIn.U4);
context.SetInstruction(X86.MovCR, imm, Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.U4, control));
context.AppendInstruction(X86.Mov, result, imm);
}
private static void PatchBeginInvoke(BaseMethodCompiler methodCompiler)
{
var nullOperand = Operand.GetNull(methodCompiler.TypeSystem);
var context = new Context(CreateMethodStructure(methodCompiler, true));
context.AppendInstruction(IRInstruction.Return, null, nullOperand);
context.AddBranchTarget(methodCompiler.BasicBlocks.EpilogueBlock);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand result = context.Result;
Operand eax = methodCompiler.CreateVirtualRegister(methodCompiler.TypeSystem.BuiltIn.U4);
context.AppendInstruction(X86.Add, eax, eax, Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.U4, GeneralPurposeRegister.ESP));
context.AppendInstruction(X86.Mov, eax, Operand.CreateMemoryAddress(methodCompiler.TypeSystem.BuiltIn.U4, eax, 0));
context.AppendInstruction(X86.Mov, result, eax);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
// Create constant operand and pointer to variable containing the lock
Operand const0 = Operand.CreateConstantSignedInt(methodCompiler.TypeSystem, 0x0);
Operand locked = Operand.CreateMemoryAddress(methodCompiler.TypeSystem.BuiltIn.Pointer, context.Operand1, 0);
// Set the variable locked to 0 signifying that the lock is free
context.SetInstruction(X86.Mov, locked, const0);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand result = context.Result;
Operand edx = methodCompiler.CreateVirtualRegister(methodCompiler.TypeSystem.BuiltIn.Pointer);
Operand operand = Operand.CreateMemoryAddress(context.Operand1.Type, edx, 0);
context.SetInstruction(X86.Mov, edx, context.Operand1);
context.AppendInstruction(X86.Mov, result, operand);
}
public static void Run(BaseMethodCompiler methodCompiler, IPipelineStage stage)
{
Run(
methodCompiler.Trace,
methodCompiler.FormatStageName(stage),
methodCompiler.Method,
methodCompiler.BasicBlocks
);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="methodCompiler">The method compiler.</param>
void IIntrinsicInternalMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
var ctor = context.Operand1;
var thisObject = context.Operand2;
var result = context.Result;
context.SetInstruction(IRInstruction.Call, null, ctor, thisObject);
context.AppendInstruction(IRInstruction.MoveInteger, result, thisObject);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand operand1 = context.Operand1;
Operand v1 = methodCompiler.CreateVirtualRegister(methodCompiler.TypeSystem.BuiltIn.U4);
context.SetInstruction(X86.Mov, v1, operand1);
context.AppendInstruction(X86.Mov, Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.U4, SegmentRegister.FS), v1);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand operand1 = context.Operand1;
Operand eax = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.U4, GeneralPurposeRegister.EAX);
Operand cr = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.U4, control);
context.SetInstruction(X86.Mov, eax, operand1);
context.AppendInstruction(X86.MovCR, cr, eax);
}
public static void Run(BaseMethodCompiler methodCompiler, IPipelineStage stage)
{
Run(
methodCompiler.InternalTrace,
stage,
methodCompiler.Method,
methodCompiler.InstructionSet,
methodCompiler.BasicBlocks
);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="methodCompiler">The method compiler.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand result = context.Result;
Operand size = context.Operand1;
Operand esp = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.I4, GeneralPurposeRegister.ESP);
context.SetInstruction(X86.Sub, esp, esp, size);
context.AppendInstruction(X86.Mov, result, esp);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand methodAddress = context.Operand1;
Operand newESP = context.Operand2;
Operand esp = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.I4, GeneralPurposeRegister.ESP);
Operand edx = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.I4, GeneralPurposeRegister.EDX);
context.SetInstruction(X86.Call, null, methodAddress);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand esp = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.I4, GeneralPurposeRegister.ESP);
context.SetInstruction(X86.Mov, esp, context.Operand1);
context.AppendInstruction(X86.Popad);
context.AppendInstruction(X86.Add, esp, esp, Operand.CreateConstant(methodCompiler.TypeSystem, 0x08));
context.AppendInstruction(X86.Sti);
context.AppendInstruction(X86.IRetd);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand result = context.Result;
Operand v1 = methodCompiler.CreateVirtualRegister(methodCompiler.TypeSystem.BuiltIn.Pointer);
Operand operand = Operand.CreateMemoryAddress(methodCompiler.TypeSystem.BuiltIn.U2, v1, 0);
Debug.Assert(result.IsI4 | result.IsU4);
context.SetInstruction(X86.Mov, v1, context.Operand1);
context.AppendInstruction(X86.Movzx, InstructionSize.Size16, result, operand);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="methodCompiler">The method compiler.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand result = context.Result;
Operand methodAddress = context.Operand1;
Operand newESP = context.Operand2;
Operand eax = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.I4, GeneralPurposeRegister.EAX);
context.SetInstruction(X86.Call, null, methodAddress);
context.AppendInstruction(IRInstruction.Gen, eax);
context.AppendInstruction(X86.Mov, result, eax);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand result = context.Result;
Operand operand = context.Operand1;
Operand eax = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.I4, GeneralPurposeRegister.EAX);
Operand ecx = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.I4, GeneralPurposeRegister.ECX);
Operand reg = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.I4, GeneralPurposeRegister.EBX);
context.SetInstruction(X86.Mov, eax, operand);
context.AppendInstruction(X86.Mov, ecx, methodCompiler.ConstantZero);
context.AppendInstruction(X86.CpuId, eax, eax);
context.AppendInstruction(X86.Mov, result, reg);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
var dest = context.Operand1;
var v0 = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.Void, SSE2Register.XMM0);
var zero = Operand.CreateConstant(methodCompiler.TypeSystem, 0);
var offset16 = Operand.CreateConstant(methodCompiler.TypeSystem, 16);
context.SetInstruction(X86.PXor, InstructionSize.Size128, v0, v0, v0);
context.AppendInstruction(X86.MovupsStore, InstructionSize.Size128, dest, zero, v0);
context.AppendInstruction(X86.MovupsStore, InstructionSize.Size128, dest, offset16, v0);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand dest = context.Operand1;
Operand value = context.Operand2;
Operand v1 = methodCompiler.CreateVirtualRegister(dest.Type);
Operand v2 = methodCompiler.CreateVirtualRegister(value.Type);
Operand memory = Operand.CreateMemoryAddress(context.InvokeMethod.Signature.Parameters[1].ParameterType, v1, 0);
context.SetInstruction(X86.Mov, v1, dest);
context.AppendInstruction(X86.Mov, v2, value);
context.AppendInstruction(X86.Mov, memory, v2);
}
private static Context CreateNewBlock(BaseMethodCompiler methodCompiler)
{
var basicBlocks = methodCompiler.BasicBlocks;
Context context = new Context(methodCompiler.InstructionSet);
context.AppendInstruction(null);
context.Label = 0;
var newblock = basicBlocks.CreateBlock(basicBlocks.Count, context.Index);
context.BasicBlock = newblock;
return context;
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
var dest = context.Operand1;
// The size will be 128 bits
var v0 = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.Void, SSE2Register.XMM0);
var memDest1 = Operand.CreateMemoryAddress(methodCompiler.TypeSystem.BuiltIn.Void, dest, 0);
var memDest2 = Operand.CreateMemoryAddress(methodCompiler.TypeSystem.BuiltIn.Void, dest, 16);
context.SetInstruction(X86.PXor, InstructionSize.Size128, v0, v0, v0);
context.AppendInstruction(X86.MovUPS, InstructionSize.Size128, memDest1, v0);
context.AppendInstruction(X86.MovUPS, InstructionSize.Size128, memDest2, v0);
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand n = context.Operand1;
Operand d = context.Operand2;
Operand result = context.Result;
Operand result2 = methodCompiler.CreateVirtualRegister(methodCompiler.TypeSystem.BuiltIn.U4);
Operand op0L, op0H;
LongOperandTransformationStage.SplitLongOperand(methodCompiler, n, out op0L, out op0H);
context.SetInstruction2(X86.Div, result2, result, op0H, op0L, d);
}
private static Context CreateMethodStructure(BaseMethodCompiler methodCompiler, bool linkEpilogueBlock)
{
var basicBlocks = methodCompiler.BasicBlocks;
CreatePrologueAndEpilogueBlocks(methodCompiler.InstructionSet, basicBlocks);
var context = methodCompiler.InstructionSet.CreateNewBlock(basicBlocks, 0);
basicBlocks.LinkBlocks(basicBlocks.PrologueBlock, context.BasicBlock);
if (linkEpilogueBlock)
basicBlocks.LinkBlocks(context.BasicBlock, basicBlocks.EpilogueBlock);
return context;
}
/// <summary>
/// Replaces the intrinsic call site
/// </summary>
/// <param name="context">The context.</param>
/// <param name="typeSystem">The type system.</param>
void IIntrinsicPlatformMethod.ReplaceIntrinsicCall(Context context, BaseMethodCompiler methodCompiler)
{
Operand v0 = context.Operand1;
Operand v1 = context.Operand2;
Operand v2 = context.Operand3;
Operand v3 = context.GetOperand(3);
Operand esp = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.I4, GeneralPurposeRegister.ESP);
Operand ebp = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.I4, GeneralPurposeRegister.EBP);
Operand eax = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.I4, GeneralPurposeRegister.EAX);
Operand ebx = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.I4, GeneralPurposeRegister.EBX);
Operand ecx = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.I4, GeneralPurposeRegister.ECX);
Operand exceptionRegister = Operand.CreateCPURegister(methodCompiler.TypeSystem.BuiltIn.Object, methodCompiler.Architecture.ExceptionRegister);
// Move all virtual registers into physical registers - necessary since stack frame pointer will change
context.SetInstruction(X86.Mov, eax, v0);
context.AppendInstruction(X86.Mov, ebx, v1);
context.AppendInstruction(X86.Mov, ecx, v2);
context.AppendInstruction(X86.Mov, exceptionRegister, v3);
// Update the frame and stack registers
context.AppendInstruction(X86.Mov, ebp, ecx);
context.AppendInstruction(X86.Mov, esp, ebx);
context.AppendInstruction(X86.Jmp, null, eax);
// future - common code (refactor opportunity)
context.GotoNext();
// Remove all remaining instructions in block and clear next block list
while (!context.IsBlockEndInstruction)
{
if (!context.IsEmpty)
{
context.SetInstruction(X86.Nop);
}
context.GotoNext();
}
var nextBlocks = context.Block.NextBlocks;
foreach (var next in nextBlocks)
{
next.PreviousBlocks.Remove(context.Block);
}
nextBlocks.Clear();
}