//using System; //using System.IO; //using CPU = Indy.IL2CPU.Assembler; //using CPUx86 = Indy.IL2CPU.Assembler.X86; //namespace Indy.IL2CPU.IL.X86 { // [OpCode(OpCodeEnum.Beq)] // public class Beq: Op { // public readonly string TargetLabel; // public readonly string CurInstructionLabel; // public Beq(ILReader aReader, MethodInformation aMethodInfo) // : base(aReader, aMethodInfo) { // TargetLabel = GetInstructionLabel(aReader.OperandValueBranchPosition); // CurInstructionLabel = GetInstructionLabel(aReader); // } // public override void DoAssemble() { // var xStackContent = Assembler.StackContents.Pop(); // Assembler.StackContents.Pop(); // 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.Compare { DestinationReg = CPUx86.Registers.EAX, SourceReg = CPUx86.Registers.EBX }; // new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.NotEqual, DestinationLabel = LabelFalse }; // new CPUx86.Jump { DestinationLabel = TargetLabel }; // new CPU.Label(LabelFalse); // } else { // new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX }; // new CPUx86.Pop { DestinationReg = CPUx86.Registers.EBX }; // new CPUx86.Pop { DestinationReg = CPUx86.Registers.ECX }; // new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDX }; // new CPUx86.Xor { DestinationReg = CPUx86.Registers.EAX, SourceReg = CPUx86.Registers.ECX }; // new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.NotZero, DestinationLabel = LabelFalse }; // new CPUx86.Xor { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EDX }; // new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.NotZero, DestinationLabel = LabelFalse }; // new CPUx86.Jump { DestinationLabel = TargetLabel }; // new CPU.Label(LabelFalse); // } // } // } //}