Cosmos/source/Cosmos.IL2CPU/IL/Brfalse.cs

using System;

namespace Cosmos.IL2CPU.X86.IL
{
    //[Cosmos.IL2CPU.OpCode(ILOpCode.Code.Brfalse)]
    public class Brfalse : ILOp
    {
        public Brfalse( Cosmos.Assembler.Assembler aAsmblr )
            : base( aAsmblr )
        {
        }

        public override void Execute( MethodInfo aMethod, ILOpCode aOpCode )
        {
            throw new NotImplementedException();
        }


        // using System;
        // using System.IO;
        // 
        // using CPU = Cosmos.Assembler.x86;
        // using CPUx86 = Cosmos.Assembler.x86;
        // 
        // namespace Cosmos.IL2CPU.IL.X86 {
        // 	[Cosmos.Assembler.OpCode(OpCodeEnum.Brfalse)]
        // 	public class Brfalse: Op {
        // 		public readonly string TargetLabel;
        // 		public readonly string CurInstructionLabel;
        // 		public Brfalse(ILReader aReader, MethodInformation aMethodInfo)
        // 			: base(aReader, aMethodInfo) {
        // 			TargetLabel = GetInstructionLabel(aReader.OperandValueBranchPosition);
        // 			CurInstructionLabel = GetInstructionLabel(aReader);
        // 		}
        // 
        // 		public override void DoAssemble() {
        // 			var xStackContent = Assembler.Stack.Pop();
        // 			if (xStackContent.IsFloat) {
        // 				throw new Exception("Floats not yet supported!");
        // 			}
        // 			if (xStackContent.Size > 8) {
        // 				throw new Exception("StackSize>8 not supported");
        // 			}
        // 
        // 			string BaseLabel = CurInstructionLabel + ".";
        // 			string LabelTrue = BaseLabel + "True";
        // 			string LabelFalse = BaseLabel + "False";
        // 
        // 			if (xStackContent.Size > 4)
        // 			{
        //                 new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
        //                 new CPUx86.Pop { DestinationReg = CPUx86.Registers.EBX };
        //                 new CPUx86.Xor { DestinationReg = CPUx86.Registers.EAX, SourceReg = CPUx86.Registers.EAX };
        //                 new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.NotZero, DestinationLabel = LabelFalse };
        //                 new CPUx86.Xor { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EBX };
        //                 new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.NotZero, DestinationLabel = LabelFalse };
        //                 new CPUx86.Jump { DestinationLabel = TargetLabel };
        // 				new Label(LabelFalse);
        // 			} else
        // 			{
        //                 new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
        //                 new CPUx86.Compare { DestinationReg = CPUx86.Registers.EAX, SourceValue = 0 };
        //                 new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Equal, DestinationLabel = TargetLabel };
        // 			}
        // 		}
        // 	}
        // }

    }
}