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 }; // } // } // } // } } }