Cosmos/source2/IL2PCU/Cosmos.IL2CPU.X86/IL/Conv_Ovf_I.cs
kudzu_cp 0f8706aa09
2009-07-26 15:42:51 +00:00

74 lines
2.6 KiB
C#

using System;
namespace Cosmos.IL2CPU.X86.IL
{
[Cosmos.IL2CPU.OpCode(ILOpCode.Code.Conv_Ovf_I)]
public class Conv_Ovf_I: ILOp
{
public Conv_Ovf_I(ILOpCode aOpCode):base(aOpCode)
{
}
public override void Execute(uint aMethodUID) {
throw new Exception("TODO:");
}
#region Old code
// using System;
// using System.IO;
// using CPU = Indy.IL2CPU.Assembler;
// using Indy.IL2CPU.Assembler;
// using CPUx86 = Indy.IL2CPU.Assembler.X86;
//
// namespace Indy.IL2CPU.IL.X86 {
// [OpCode(OpCodeEnum.Conv_Ovf_I)]
// public class Conv_Ovf_I: Op {
// private readonly string NextInstructionLabel;
// private string mNextLabel;
// private string mCurLabel;
// private uint mCurOffset;
// private MethodInformation mMethodInformation;
// public Conv_Ovf_I(ILReader aReader, MethodInformation aMethodInfo)
// : base(aReader, aMethodInfo) {
// NextInstructionLabel = GetInstructionLabel(aReader.NextPosition);
// mMethodInformation = aMethodInfo;
// mCurOffset = aReader.Position;
// mCurLabel = IL.Op.GetInstructionLabel(aReader);
// mNextLabel = IL.Op.GetInstructionLabel(aReader.NextPosition);
// }
// public override void DoAssemble() {
// var xSource = Assembler.StackContents.Pop();
// switch (xSource.Size)
// {
// case 1:
// case 2:
// case 4:
// {
// new CPUx86.Noop();
// break;
// }
// case 8:
// {
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
// new CPUx86.SignExtendAX { Size = 32 };
// //all bits of EDX == sign (EAX)
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EBX };
// //must be equal to EDX
// new CPUx86.Xor { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EDX };
// new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Zero, DestinationLabel = NextInstructionLabel };
// //equals
// new CPUx86.Interrupt{DestinationValue=4};
// break;
//
// }
// default:
// EmitNotImplementedException(Assembler, GetServiceProvider(), "Conv_Ovf_I: SourceSize " + xSource + " not supported!", mCurLabel, mMethodInformation, mCurOffset, mNextLabel);
// break;
// }
// Assembler.StackContents.Push(new StackContent(4, true, false, false));
// }
// }
// }
#endregion Old code
}
}