Cosmos/source2/IL2PCU/Cosmos.IL2CPU.X86/IL/Cgt_Un.cs

102 lines
4.8 KiB
C#

using System;
namespace Cosmos.IL2CPU.X86.IL
{
[Cosmos.IL2CPU.OpCode(ILOpCode.Code.Cgt_Un)]
public class Cgt_Un: ILOp
{
public Cgt_Un(Cosmos.IL2CPU.Assembler aAsmblr):base(aAsmblr)
{
}
public override void Execute(uint aMethodUID, ILOpCode aOpCode) {
throw new Exception("TODO:");
}
#region Old code
// using System;
//
// using CPUx86 = Indy.IL2CPU.Assembler.X86;
// using CPU = Indy.IL2CPU.Assembler;
// using Indy.IL2CPU.Assembler;
// using Indy.IL2CPU.Assembler.X86;
//
// namespace Indy.IL2CPU.IL.X86 {
// [OpCode(OpCodeEnum.Cgt_Un)]
// public class Cgt_Un: Op {
// private readonly string NextInstructionLabel;
// private readonly string CurInstructionLabel;
// private uint mCurrentOffset;
// private MethodInformation mMethodInfo;
// public Cgt_Un(ILReader aReader, MethodInformation aMethodInfo)
// : base(aReader, aMethodInfo)
// {
// NextInstructionLabel = GetInstructionLabel(aReader.NextPosition);
// CurInstructionLabel = GetInstructionLabel(aReader);
// mMethodInfo = aMethodInfo;
// mCurrentOffset = aReader.Position;
// }
//
// public override void DoAssemble()
// {
// var xStackItem = Assembler.StackContents.Pop();
// if (xStackItem.IsFloat)
// {
// EmitNotImplementedException(Assembler, GetServiceProvider(), "Cgt_Un: Floats not yet supported", CurInstructionLabel, mMethodInfo, mCurrentOffset, NextInstructionLabel);
// return;
// }
// if (xStackItem.Size > 8)
// {
// EmitNotImplementedException(Assembler, GetServiceProvider(), "Cgt_Un: StackSizes>8 not supported", CurInstructionLabel, mMethodInfo, mCurrentOffset, NextInstructionLabel);
// return;
// }
// Assembler.StackContents.Push(new StackContent(4, typeof(bool)));
// string BaseLabel = CurInstructionLabel + "__";
// string LabelTrue = BaseLabel + "True";
// string LabelFalse = BaseLabel + "False";
// if (xStackItem.Size > 4)
// {
// new CPUx86.Xor { DestinationReg = CPUx86.Registers.ESI, SourceReg = CPUx86.Registers.ESI};
// new CPUx86.Add { DestinationReg = CPUx86.Registers.ESI, SourceValue = 1 };
// new CPUx86.Xor { DestinationReg = CPUx86.Registers.EDI, SourceReg = CPUx86.Registers.EDI};
// //esi = 1
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDX };
// //value2: EDX:EAX
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EBX };
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.ECX };
// //value1: ECX:EBX
// new CPUx86.Sub { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EAX };
// new CPUx86.SubWithCarry { DestinationReg = CPUx86.Registers.ECX, SourceReg = CPUx86.Registers.EDX };
// //result = value1 - value2
// //new CPUx86.ConditionalMove(Condition.Above, "edi", "esi");
// //new CPUx86.Push { DestinationReg = Registers.EDI };
//
// new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Above, DestinationLabel = LabelTrue };
// new CPUx86.Push { DestinationValue = 0 };
// new CPUx86.Jump { DestinationLabel = NextInstructionLabel };
//
// new CPU.Label(LabelTrue);
// new CPUx86.Push{DestinationValue=1};
//
// } else
// {
// new CPUx86.Pop{DestinationReg=CPUx86.Registers.EAX};
// new CPUx86.Compare { DestinationReg = CPUx86.Registers.EAX, SourceReg = CPUx86.Registers.ESP, SourceIsIndirect = true };
// new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Below, DestinationLabel = LabelTrue };
// new CPUx86.Jump { DestinationLabel = LabelFalse };
// new CPU.Label(LabelTrue);
// new CPUx86.Add { DestinationReg = CPUx86.Registers.ESP, SourceValue = 4 };
// new CPUx86.Push { DestinationValue = 1 };
// new CPUx86.Jump { DestinationLabel = NextInstructionLabel };
// new CPU.Label(LabelFalse);
// new CPUx86.Add { DestinationReg = CPUx86.Registers.ESP, SourceValue = 4 };
// new CPUx86.Push { DestinationValue = 0 };
// new CPUx86.Jump { DestinationLabel = NextInstructionLabel };
// }
// }
// }
// }
#endregion Old code
}
}