mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-27 05:52:11 +00:00
100 lines
3.9 KiB
C#
100 lines
3.9 KiB
C#
using System;
|
|
using CPUx86 = Cosmos.IL2CPU.X86;
|
|
|
|
namespace Cosmos.IL2CPU.X86.IL
|
|
{
|
|
[Cosmos.IL2CPU.OpCode( ILOpCode.Code.Conv_R4 )]
|
|
public class Conv_R4 : ILOp
|
|
{
|
|
public Conv_R4( Cosmos.IL2CPU.Assembler aAsmblr )
|
|
: base( aAsmblr )
|
|
{
|
|
}
|
|
|
|
public override void Execute( MethodInfo aMethod, ILOpCode aOpCode )
|
|
{
|
|
var xSource = Assembler.Stack.Peek();
|
|
if (!xSource.IsFloat)
|
|
{
|
|
new CPUx86.Move { SourceReg = CPUx86.Registers.ESP, DestinationReg = CPUx86.Registers.EAX, SourceIsIndirect = true };
|
|
new CPUx86.SSE.ConvertSI2SS { SourceReg = CPUx86.Registers.EAX, DestinationReg = CPUx86.Registers.XMM0};
|
|
new CPUx86.SSE.MoveSS { SourceReg = CPUx86.Registers.XMM0, DestinationReg = CPUx86.Registers.ESP, DestinationIsIndirect = true };
|
|
}
|
|
Assembler.Stack.Pop();
|
|
|
|
switch (xSource.Size)
|
|
{
|
|
case 1:
|
|
case 2:
|
|
{
|
|
new CPUx86.Noop();
|
|
break;
|
|
}
|
|
case 8:
|
|
{
|
|
new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
|
|
new CPUx86.Pop { DestinationReg = CPUx86.Registers.ECX };
|
|
new CPUx86.Push { DestinationReg = CPUx86.Registers.EAX };
|
|
break;
|
|
}
|
|
case 4:
|
|
{
|
|
break;
|
|
}
|
|
default:
|
|
//EmitNotImplementedException( Assembler, GetServiceProvider(), "Conv_U4: SourceSize " + xStackItem.Size + " not supported!", mCurLabel, mMethodInformation, mCurOffset, mNextLabel );
|
|
throw new NotImplementedException();
|
|
}
|
|
Assembler.Stack.Push(4, typeof(uint));
|
|
Assembler.Stack.Push(4, true, true, true);
|
|
}
|
|
|
|
|
|
// using System;
|
|
// using System.IO;
|
|
//
|
|
//
|
|
// using CPUx86 = Cosmos.IL2CPU.X86;
|
|
//
|
|
// namespace Cosmos.IL2CPU.IL.X86 {
|
|
// [OpCode(OpCodeEnum.Conv_R4)]
|
|
// public class Conv_R4: Op {
|
|
// private string mNextLabel;
|
|
// private string mCurLabel;
|
|
// private uint mCurOffset;
|
|
// private MethodInformation mMethodInformation;
|
|
// public Conv_R4(ILReader aReader, MethodInformation aMethodInfo)
|
|
// : base(aReader, aMethodInfo) {
|
|
// mMethodInformation = aMethodInfo;
|
|
// mCurOffset = aReader.Position;
|
|
// mCurLabel = IL.Op.GetInstructionLabel(aReader);
|
|
// mNextLabel = IL.Op.GetInstructionLabel(aReader.NextPosition);
|
|
// }
|
|
// public override void DoAssemble() {
|
|
// EmitNotImplementedException(Assembler, GetServiceProvider(), "Conv_R4: Floats not yet supported!", mCurLabel, mMethodInformation, mCurOffset, mNextLabel);
|
|
// return;
|
|
// //int xSource = Assembler.Stack.Pop();
|
|
// //switch (xSource) {
|
|
// // case 1:
|
|
// // case 2: {
|
|
// // break;
|
|
// // }
|
|
// // case 8: {
|
|
// // new CPUx86.Pop(CPUx86.Registers_Old.EAX);
|
|
// // new CPUx86.Pop(CPUx86.Registers_Old.ECX);
|
|
// // new CPUx86.Pushd(CPUx86.Registers_Old.EAX);
|
|
// // Assembler.Stack.Push(4);
|
|
// // break;
|
|
// // }
|
|
// // case 4: {
|
|
// // break;
|
|
// // }
|
|
// // default:
|
|
// // throw new Exception("SourceSize " + xSource + " not supported!");
|
|
// //}
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
}
|
|
}
|