Cosmos/source2/IL2PCU/Cosmos.IL2CPU.X86/IL/And.cs
kudzu_cp bd421124c3
2009-07-26 19:21:37 +00:00

68 lines
2 KiB
C#

using System;
using Indy.IL2CPU.Assembler;
using CPU = Indy.IL2CPU.Assembler.X86;
namespace Cosmos.IL2CPU.X86.IL
{
[Cosmos.IL2CPU.OpCode(ILOpCode.Code.And)]
public class And: ILOp
{
public And(Cosmos.IL2CPU.Assembler aAsmblr):base(aAsmblr)
{
}
public override void Execute(uint aMethodUID, ILOpCode aOpCode)
{
StackContent xStackContent = OldAsmblr.StackContents.Peek();
if (xStackContent.IsFloat)
{
throw new Exception("Floats not yet supported!");
}
int xSize = Math.Max(OldAsmblr.StackContents.Pop().Size, OldAsmblr.StackContents.Pop().Size);
if (xSize > 8)
{
throw new Exception("StackSize>8 not supported");
}
if (xSize > 4)
{
new CPU.Pop { DestinationReg = CPU.Registers.EAX };
new CPU.Pop { DestinationReg = CPU.Registers.EBX };
new CPU.Pop { DestinationReg = CPU.Registers.EDX };
new CPU.Pop { DestinationReg = CPU.Registers.ECX };
new CPU.And { DestinationReg = CPU.Registers.EAX, SourceReg = CPU.Registers.EDX };
new CPU.And { DestinationReg = CPU.Registers.EBX, SourceReg = CPU.Registers.ECX };
new CPU.Push { DestinationReg = CPU.Registers.EBX };
new CPU.Push { DestinationReg = CPU.Registers.EAX };
}
else
{
new CPU.Pop { DestinationReg = CPU.Registers.EAX };
new CPU.Pop { DestinationReg = CPU.Registers.EDX };
new CPU.And { DestinationReg = CPU.Registers.EAX, SourceReg = CPU.Registers.EDX };
new CPU.Push { DestinationReg = CPU.Registers.EAX };
}
OldAsmblr.StackContents.Push(xStackContent);
}
// using System;
// using System.IO;
//
//
// using CPU = Indy.IL2CPU.Assembler.X86;
// using Indy.IL2CPU.Assembler;
//
// namespace Indy.IL2CPU.IL.X86 {
// [OpCode(OpCodeEnum.And)]
// public class And: Op {
// public And(ILReader aReader, MethodInformation aMethodInfo)
// : base(aReader, aMethodInfo) {
// }
// public override void DoAssemble() {
//
// }
// }
// }
}
}