Cosmos/source2/IL2PCU/Cosmos.IL2CPU.X86/IL/Xor.cs
2009-09-06 16:59:43 +00:00

30 lines
1 KiB
C#

using System;
using CPUx86 = Cosmos.IL2CPU.X86;
using Cosmos.IL2CPU.X86;
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( Assembler.Stack.Peek().IsFloat )
{
throw new NotImplementedException( "Floats not supported" );
}
int xSize = Math.Max( Assembler.Stack.Pop().Size, Assembler.Stack.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 };
Assembler.Stack.Push(xSize);
}
}
}