mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-27 22:12:25 +00:00
105 lines
4.6 KiB
C#
105 lines
4.6 KiB
C#
using System;
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namespace Cosmos.IL2CPU.Profiler.IL
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{
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[Cosmos.IL2CPU.OpCode(ILOp.Code.Bge)]
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public class Bge: ILOpProfiler
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{
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#region Old code
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// using System;
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// using System.IO;
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//
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//
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// using CPU = Indy.IL2CPU.Assembler;
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// using CPUx86 = Indy.IL2CPU.Assembler.X86;
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// using Indy.IL2CPU.Assembler;
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//
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// namespace Indy.IL2CPU.IL.X86 {
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// [Cosmos.IL2CPU.OpCode(ILOp.Code.Bge)]
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// public class Bge: ILOpProfiler {
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// public readonly string TargetLabel;
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// public readonly string CurInstructionLabel;
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// private string mNextLabel;
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// private string mCurLabel;
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// private uint mCurOffset;
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// private MethodInformation mMethodInformation;
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// public Bge(ILReader aReader, MethodInformation aMethodInfo)
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// : base(aReader, aMethodInfo) {
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// TargetLabel = GetInstructionLabel(aReader.OperandValueBranchPosition);
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// CurInstructionLabel = GetInstructionLabel(aReader);
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// mMethodInformation = aMethodInfo;
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// mCurOffset = aReader.Position;
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// mCurLabel = IL.Op.GetInstructionLabel(aReader);
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// mNextLabel = IL.Op.GetInstructionLabel(aReader.NextPosition);
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// }
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//
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// private void DoAssemble32Bit() {
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// string BaseLabel = CurInstructionLabel + "__";
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// string LabelTrue = BaseLabel + "True";
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// string LabelFalse = BaseLabel + "False";
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// #warning Code checking: strange code seems to be generated. Read the following comments:
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// //Jump right after JumpIfGreaterOrEquals to the same label
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// //my offer is:
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// new CPUx86.Pop{DestinationReg = CPUx86.Registers.EBX};
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// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
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// new CPUx86.Compare { DestinationReg = CPUx86.Registers.EAX, SourceReg=CPUx86.Registers.EBX };
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// new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.GreaterThanOrEqualTo, DestinationLabel = LabelTrue };
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// new CPUx86.Jump { DestinationLabel = LabelFalse };
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// new CPU.Label(LabelTrue);
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// new CPUx86.Jump { DestinationLabel = TargetLabel };
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// new CPU.Label(LabelFalse);
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// //new CPUx86.Pop(CPUx86.Registers_Old.EAX);
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// //new CPUx86.Compare(CPUx86.Registers_Old.EAX, CPUx86.Registers_Old.AtESP);
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// //new CPUx86.JumpIfGreaterOrEquals(LabelTrue);
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// //new CPUx86.Jump(LabelTrue);
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// //new CPU.Label(LabelTrue);
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// //new CPUx86.Add(CPUx86.Registers_Old.ESP, "4");
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// //new CPUx86.Jump(TargetLabel);
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// //new CPU.Label(LabelFalse);
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// //new CPUx86.Add(CPUx86.Registers_Old.ESP, "4");
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// }
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//
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// private void DoAssemble64Bit() {
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// //throw new NotImplementedException("long comprasion is not implemented");
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// string BaseLabel = CurInstructionLabel + "__";
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// string LabelTrue = BaseLabel + "True";
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// string LabelFalse = BaseLabel + "False";
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// new CPUx86.Pop{DestinationReg = CPUx86.Registers.EAX};
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// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDX };
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// //value2: EDX:EAX
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// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EBX };
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// new CPUx86.Pop { DestinationReg = CPUx86.Registers.ECX };
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// //value1: ECX:EBX
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// new CPUx86.Sub { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EAX };
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// new CPUx86.SubWithCarry { DestinationReg = CPUx86.Registers.ECX, SourceReg = CPUx86.Registers.EDX };
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// //result = value1 - value2
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// new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.GreaterThanOrEqualTo, DestinationLabel = TargetLabel };
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// }
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//
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// public override void DoAssemble() {
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// StackContent xItem1 = Assembler.StackContents.Pop();
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// StackContent xItem2 = Assembler.StackContents.Pop();
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// int xSize = Math.Max(xItem1.Size, xItem2.Size);
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// var xIsFloat = xItem1.IsFloat || xItem2.IsFloat;
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// if (xIsFloat) {
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// EmitNotSupportedException(Assembler, GetServiceProvider(), "Floats are not yet supported (Bge)", mCurLabel, mMethodInformation, mCurOffset, mNextLabel);
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// return;
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// }
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// if (xSize > 8) {
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// EmitNotSupportedException(Assembler, GetServiceProvider(), "StackSize>8 not supported (Bge)", mCurLabel, mMethodInformation, mCurOffset, mNextLabel);
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// return;
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// }
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// if (xSize > 4) {
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// DoAssemble64Bit();
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// } else {
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// DoAssemble32Bit();
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// }
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// }
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// }
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// }
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#endregion
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}
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}
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