Cosmos/source/Indy.IL2CPU.IL.X86/Xor.cs
2008-02-04 08:17:37 +00:00

24 lines
No EOL
783 B
C#

using System;
using CPUx86 = Indy.IL2CPU.Assembler.X86;
using Indy.IL2CPU.Assembler;
namespace Indy.IL2CPU.IL.X86 {
[OpCode(OpCodeEnum.Xor)]
public class Xor: Op {
public Xor(ILReader aReader, MethodInformation aMethodInfo)
: base(aReader, aMethodInfo) {
}
public override void DoAssemble() {
if (Assembler.StackContents.Peek().IsFloat) {
throw new Exception("Floats not supported");
}
int xSize = Math.Max(Assembler.StackContents.Pop().Size, Assembler.StackContents.Pop().Size);
new CPUx86.Pop(CPUx86.Registers.EAX);
new CPUx86.Pop(CPUx86.Registers.EDX);
new CPUx86.Xor(CPUx86.Registers.EAX, CPUx86.Registers.EDX);
new CPUx86.Pushd(CPUx86.Registers.EAX);
Assembler.StackContents.Push(new StackContent(xSize));
}
}
}