public override void Transform(Context context, TransformContext transformContext)
{
var result = context.Result;
var operand1 = context.Operand1;
var operand2 = context.Operand2;
var condition = context.ConditionCode;
var op0Low = transformContext.AllocateVirtualRegister32();
var op0High = transformContext.AllocateVirtualRegister32();
var op1Low = transformContext.AllocateVirtualRegister32();
var op1High = transformContext.AllocateVirtualRegister32();
var v1 = transformContext.AllocateVirtualRegister32();
var v2 = transformContext.AllocateVirtualRegister32();
var v3 = transformContext.AllocateVirtualRegister32();
transformContext.SplitLongOperand(result, out Operand resultLow, out Operand resultHigh);
context.SetInstruction(IRInstruction.GetLow32, op0Low, operand1);
context.AppendInstruction(IRInstruction.GetHigh32, op0High, operand1);
context.AppendInstruction(IRInstruction.GetLow32, op1Low, operand2);
context.AppendInstruction(IRInstruction.GetHigh32, op1High, operand2);
context.AppendInstruction(IRInstruction.Xor32, v1, op0Low, op1Low);
context.AppendInstruction(IRInstruction.Xor32, v2, op0High, op1High);
context.AppendInstruction(IRInstruction.Or32, v3, v1, v2);
context.AppendInstruction(IRInstruction.Compare32x32, condition, resultLow, v3, transformContext.ConstantZero32);
context.AppendInstruction(IRInstruction.Move32, condition, resultHigh, transformContext.ConstantZero64);
}
public override void Transform(Context context, TransformContext transformContext)
{
var result = context.Result;
var operand1 = context.Operand1;
var operand2 = context.Operand2;
transformContext.SplitLongOperand(result, out Operand resultLow, out Operand resultHigh);
var branch = context.ConditionCode;
var branchUnsigned = context.ConditionCode.GetUnsigned();
var nextBlock = transformContext.Split(context);
var newBlocks = transformContext.CreateNewBlockContexts(5, context.Label);
TransformContext.UpdatePHIInstructionTargets(nextBlock.Block.NextBlocks, context.Block, nextBlock.Block);
var op0Low = transformContext.AllocateVirtualRegister32();
var op0High = transformContext.AllocateVirtualRegister32();
var op1Low = transformContext.AllocateVirtualRegister32();
var op1High = transformContext.AllocateVirtualRegister32();
context.SetInstruction(IRInstruction.GetLow32, op0Low, operand1);
context.AppendInstruction(IRInstruction.GetHigh32, op0High, operand1);
context.AppendInstruction(IRInstruction.GetLow32, op1Low, operand2);
context.AppendInstruction(IRInstruction.GetHigh32, op1High, operand2);
// Compare high
context.AppendInstruction(IRInstruction.Branch32, ConditionCode.Equal, null, op0High, op1High, newBlocks[1].Block);
context.AppendInstruction(IRInstruction.Jmp, newBlocks[0].Block);
// Branch if check already gave results
if (branch == ConditionCode.Equal)
{
newBlocks[0].AppendInstruction(IRInstruction.Jmp, newBlocks[3].Block);
}
else
{
newBlocks[0].AppendInstruction(IRInstruction.Branch32, branch, null, op0High, op1High, newBlocks[2].Block);
newBlocks[0].AppendInstruction(IRInstruction.Jmp, newBlocks[3].Block);
}
// Compare low
newBlocks[1].AppendInstruction(IRInstruction.Branch32, branchUnsigned, null, op0Low, op1Low, newBlocks[2].Block);
newBlocks[1].AppendInstruction(IRInstruction.Jmp, newBlocks[3].Block);
// Success
newBlocks[2].AppendInstruction(IRInstruction.Jmp, newBlocks[4].Block);
// Failed
newBlocks[3].AppendInstruction(IRInstruction.Jmp, newBlocks[4].Block);
// Exit
newBlocks[4].AppendInstruction(IRInstruction.Phi64, resultLow, transformContext.CreateConstant((uint)1), transformContext.ConstantZero64);
newBlocks[4].PhiBlocks = new List <BasicBlock>(2)
{
newBlocks[2].Block, newBlocks[3].Block
};
newBlocks[4].AppendInstruction(IRInstruction.Jmp, nextBlock.Block);
}
public override void Transform(Context context, TransformContext transformContext)
{
var result = context.Result;
var operand1 = context.Operand1;
transformContext.SplitLongOperand(operand1, out Operand op0Low, out Operand _);
var resultLow = transformContext.AllocateVirtualRegister32();
context.SetInstruction(IRInstruction.LoadParamZeroExtend16x32, resultLow, op0Low);
context.AppendInstruction(IRInstruction.To64, result, resultLow, transformContext.ConstantZero32);
}
public override void Transform(Context context, TransformContext transformContext)
{
Debug.Assert(context.ConditionCode != ConditionCode.Equal);
var result = context.Result;
var operand1 = context.Operand1;
var operand2 = context.Operand2;
transformContext.SplitLongOperand(result, out Operand resultLow, out Operand resultHigh);
var branch = context.ConditionCode;
var branchUnsigned = context.ConditionCode.GetUnsigned();
var nextBlock = transformContext.Split(context);
var newBlocks = transformContext.CreateNewBlockContexts(5, context.Label);
TransformContext.UpdatePHIInstructionTargets(nextBlock.Block.NextBlocks, context.Block, nextBlock.Block);
var op0Low = transformContext.AllocateVirtualRegister32();
var op0High = transformContext.AllocateVirtualRegister32();
var op1Low = transformContext.AllocateVirtualRegister32();
var op1High = transformContext.AllocateVirtualRegister32();
var tempLow = transformContext.AllocateVirtualRegister32();
context.SetInstruction(IRInstruction.GetLow32, op0Low, operand1);
context.AppendInstruction(IRInstruction.GetHigh32, op0High, operand1);
context.AppendInstruction(IRInstruction.GetLow32, op1Low, operand2);
context.AppendInstruction(IRInstruction.GetHigh32, op1High, operand2);
// Compare high
context.AppendInstruction(IRInstruction.Branch32, ConditionCode.Equal, null, op0High, op1High, newBlocks[1].Block);
context.AppendInstruction(IRInstruction.Jmp, newBlocks[0].Block);
newBlocks[0].AppendInstruction(IRInstruction.Branch32, branch, null, op0High, op1High, newBlocks[2].Block);
newBlocks[0].AppendInstruction(IRInstruction.Jmp, newBlocks[3].Block);
// Compare low
newBlocks[1].AppendInstruction(IRInstruction.Branch32, branchUnsigned, null, op0Low, op1Low, newBlocks[2].Block);
newBlocks[1].AppendInstruction(IRInstruction.Jmp, newBlocks[3].Block);
// Success
newBlocks[2].AppendInstruction(IRInstruction.Move32, tempLow, transformContext.CreateConstant((uint)1));
newBlocks[2].AppendInstruction(IRInstruction.Jmp, newBlocks[4].Block);
// Failed
newBlocks[3].AppendInstruction(IRInstruction.Move32, tempLow, transformContext.ConstantZero32);
newBlocks[3].AppendInstruction(IRInstruction.Jmp, newBlocks[4].Block);
// Exit
newBlocks[4].AppendInstruction(IRInstruction.Move32, resultLow, tempLow);
newBlocks[4].AppendInstruction(IRInstruction.Move32, resultHigh, transformContext.ConstantZero32);
newBlocks[4].AppendInstruction(IRInstruction.Jmp, nextBlock.Block);
}
public override void Transform(Context context, TransformContext transformContext)
{
var result = context.Result;
var operand1 = context.Operand1;
var resultLow = transformContext.AllocateVirtualRegister32();
var resultHigh = transformContext.AllocateVirtualRegister32();
transformContext.SplitLongOperand(operand1, out Operand op1Low, out Operand op1High);
context.SetInstruction(IRInstruction.LoadParam32, resultLow, op1Low);
context.AppendInstruction(IRInstruction.LoadParam32, resultHigh, op1High);
context.AppendInstruction(IRInstruction.To64, result, resultLow, resultHigh);
}
public override void Transform(Context context, TransformContext transformContext)
{
var result = context.Result;
var operand1 = context.Operand1;
transformContext.SplitLongOperand(operand1, out Operand op0Low, out Operand _);
var resultLow = transformContext.AllocateVirtualRegister32();
var resultHigh = transformContext.AllocateVirtualRegister32();
context.SetInstruction(IRInstruction.LoadParam32, resultLow, op0Low);
context.AppendInstruction(IRInstruction.ArithShiftRight32, resultHigh, resultLow, transformContext.CreateConstant(31));
context.AppendInstruction(IRInstruction.To64, result, resultLow, resultHigh);
}
public override void Transform(Context context, TransformContext transformContext)
{
var offset = context.Operand1;
var value = context.Operand2;
var valueLow = transformContext.AllocateVirtualRegister32();
var valueHigh = transformContext.AllocateVirtualRegister32();
transformContext.SplitLongOperand(offset, out Operand op1Low, out Operand op1High);
context.SetInstruction(IRInstruction.GetLow32, valueLow, value);
context.AppendInstruction(IRInstruction.GetHigh32, valueHigh, value);
context.AppendInstruction(IRInstruction.StoreParam32, null, op1Low, valueLow);
context.AppendInstruction(IRInstruction.StoreParam32, null, op1High, valueHigh);
}
