Cosmos/source2/IL2PCU/Cosmos.IL2CPU.X86/IL/Xor.cs
2009-07-29 05:48:10 +00:00

27 lines
939 B
C#

using System;
using CPUx86 = Indy.IL2CPU.Assembler.X86;
using Indy.IL2CPU.Assembler;
namespace Cosmos.IL2CPU.X86.IL
{
[Cosmos.IL2CPU.OpCode(ILOpCode.Code.Xor)]
public class Xor: ILOp
{
public Xor(Cosmos.IL2CPU.Assembler aAsmblr) : base(aAsmblr)
{
}
public override void Execute(MethodInfo aMethod, ILOpCode aOpCode) {
if (OldAsmblr.StackContents.Peek().IsFloat) {
throw new Exception("Floats not supported");
}
int xSize = Math.Max(OldAsmblr.StackContents.Pop().Size, OldAsmblr.StackContents.Pop().Size);
new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDX };
new CPUx86.Xor { DestinationReg = CPUx86.Registers.EAX, SourceReg = CPUx86.Registers.EDX };
new CPUx86.Push { DestinationReg = CPUx86.Registers.EAX };
OldAsmblr.StackContents.Push(new StackContent(xSize));
}
}
}