Clt.Un fix.

This commit is contained in:
kudzu_cp 2010-08-16 13:44:12 +00:00
parent dff695e8a5
commit caa6fac01a

View file

@ -60,7 +60,8 @@ namespace Cosmos.IL2CPU.X86.IL
new CPUx86.SSE.MoveSS { DestinationReg = CPUx86.Registers.XMM0, SourceReg = CPUx86.Registers.ESP, SourceIsIndirect = true };
new CPUx86.Add { DestinationReg = CPUx86.Registers.ESP, SourceValue = 4 };
new CPUx86.SSE.MoveSS { DestinationReg = CPUx86.Registers.XMM1, SourceReg = CPUx86.Registers.ESP, SourceIsIndirect = true };
new CPUx86.SSE.CompareSS { DestinationReg = CPUx86.Registers.XMM1, SourceReg = CPUx86.Registers.XMM0, pseudoOpcode = (byte)CPUx86.SSE.ComparePseudoOpcodes.LessThan };
throw new Exception("TODO");
//new CPUx86.SSE.CompareSS { DestinationReg = CPUx86.Registers.XMM1, SourceReg = CPUx86.Registers.XMM0, pseudoOpcode = (byte)CPUx86.SSE.ComparePseudoOpcodes.NotAboveOrEqual / Carry / Below };
new CPUx86.MoveD { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.XMM1 };
new CPUx86.And { DestinationReg = CPUx86.Registers.EBX, SourceValue = 1 };
new CPUx86.Move { SourceReg = CPUx86.Registers.EBX, DestinationReg = CPUx86.Registers.ESP, DestinationIsIndirect = true };
@ -71,7 +72,7 @@ namespace Cosmos.IL2CPU.X86.IL
new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
new CPUx86.Push { DestinationReg = CPUx86.Registers.ECX };
new CPUx86.Compare { DestinationReg = CPUx86.Registers.EAX, SourceReg = CPUx86.Registers.ESP, SourceIsIndirect = true };
new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.LessThan, DestinationLabel = LabelTrue };
new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.Below, DestinationLabel = LabelTrue };
new CPUx86.Jump { DestinationLabel = LabelFalse };
new Label( LabelTrue );
new CPUx86.Add { DestinationReg = CPUx86.Registers.ESP, SourceValue = 4 };
@ -84,81 +85,5 @@ namespace Cosmos.IL2CPU.X86.IL
}
}
// using System;
// using System.IO;
//
//
// using CPUx86 = Cosmos.Compiler.Assembler.X86;
// using CPU = Cosmos.Compiler.Assembler.X86;
// using Cosmos.IL2CPU.X86;
// using Cosmos.IL2CPU.X86;
//
// namespace Cosmos.IL2CPU.IL.X86 {
// [OpCode(OpCodeEnum.Clt_Un)]
// public class Clt_Un: Op {
// private readonly string NextInstructionLabel;
// private readonly string CurInstructionLabel;
// private uint mCurrentOffset;
// private MethodInformation mMethodInfo;
// public Clt_Un(ILReader aReader, MethodInformation aMethodInfo)
// : base(aReader, aMethodInfo) {
// NextInstructionLabel = GetInstructionLabel(aReader.NextPosition);
// CurInstructionLabel = GetInstructionLabel(aReader);
// mMethodInfo = aMethodInfo;
// mCurrentOffset = aReader.Position;
// }
// public override void DoAssemble() {
// var xStackItem= Assembler.Stack.Pop();
// if (xStackItem.IsFloat) {
// EmitNotImplementedException(Assembler, GetServiceProvider(), "Clt_Un: Floats not yet supported", CurInstructionLabel, mMethodInfo, mCurrentOffset, NextInstructionLabel);
// return;
// }
// if (xStackItem.Size > 8) {
// EmitNotImplementedException(Assembler, GetServiceProvider(), "Clt_Un: StackSizes>8 not supported", CurInstructionLabel, mMethodInfo, mCurrentOffset, NextInstructionLabel);
// return;
// }
// Assembler.Stack.Push(new StackContent(4, typeof(bool)));
// string BaseLabel = CurInstructionLabel + "__";
// string LabelTrue = BaseLabel + "True";
// string LabelFalse = BaseLabel + "False";
// if (xStackItem.Size > 4)
// {
// new CPUx86.Xor { DestinationReg = CPUx86.Registers.ESI, SourceReg = CPUx86.Registers.ESI };
// new CPUx86.Add { DestinationReg = Registers.ESI, SourceValue = 1 };
// new CPUx86.Xor { DestinationReg = CPUx86.Registers.EDI, SourceReg = CPUx86.Registers.EDI };
// //esi = 1
// new CPUx86.Pop{DestinationReg = CPUx86.Registers.EAX};
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDX };
// //value2: EDX:EAX
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EBX };
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.ECX };
// //value1: ECX:EBX
// new CPUx86.Sub { DestinationReg = CPUx86.Registers.EBX, SourceReg = CPUx86.Registers.EAX };
// new CPUx86.SubWithCarry { DestinationReg = CPUx86.Registers.ECX, SourceReg = CPUx86.Registers.EDX };
// //result = value1 - value2
// new CPUx86.ConditionalMove{ Condition=ConditionalTestEnum.Below, DestinationReg = CPUx86.Registers.EDI, SourceReg = CPUx86.Registers.ESI };
// new CPUx86.Push { DestinationReg = Registers.EDI };
// } else
// {
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.ECX };
// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
// new CPUx86.Push { DestinationReg = CPUx86.Registers.ECX };
// new CPUx86.Compare { DestinationReg = CPUx86.Registers.EAX, SourceReg = CPUx86.Registers.ESP, SourceIsIndirect = true };
// new CPUx86.ConditionalJump { Condition = CPUx86.ConditionalTestEnum.LessThan, DestinationLabel = LabelTrue };
// new CPUx86.Jump { DestinationLabel = LabelFalse };
// new Label(LabelTrue);
// new CPUx86.Add { DestinationReg = CPUx86.Registers.ESP, SourceValue = 4 };
// new CPUx86.Push { DestinationValue = 1 };
// new CPUx86.Jump { DestinationLabel = NextInstructionLabel };
// new Label(LabelFalse);
// new CPUx86.Add { DestinationReg = CPUx86.Registers.ESP, SourceValue = 4 };
// new CPUx86.Push { DestinationValue = 0 };
// new CPUx86.Jump { DestinationLabel = NextInstructionLabel };
// }
// }
// }
// }
}
}