Cosmos/source/Cosmos.IL2CPU/IL/Conv_Ovf_I8.cs
2014-11-26 01:13:58 +00:00

38 lines
No EOL
1.4 KiB
C#

using System;
using CPUx86 = Cosmos.Assembler.x86;
namespace Cosmos.IL2CPU.X86.IL
{
[Cosmos.IL2CPU.OpCode( ILOpCode.Code.Conv_Ovf_I8 )]
public class Conv_Ovf_I8 : ILOp
{
public Conv_Ovf_I8( Cosmos.Assembler.Assembler aAsmblr )
: base( aAsmblr )
{
}
public override void Execute( MethodInfo aMethod, ILOpCode aOpCode )
{
var xSource = aOpCode.StackPopTypes[0];
var xSourceSize = SizeOfType(xSource);
var xSourceIsFloat = TypeIsFloat(xSource);
switch( xSourceSize )
{
case 1:
case 2:
case 4:
new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
new CPUx86.SignExtendAX { Size = 32 };
new CPUx86.Push { DestinationReg = CPUx86.Registers.EDX };
new CPUx86.Push { DestinationReg = CPUx86.Registers.EAX };
break;
case 8:
new CPUx86.Noop();
break;
default:
//EmitNotImplementedException( Assembler, GetServiceProvider(), "Conv_Ovf_I8: SourceSize " + xSource + " not supported!", mCurLabel, mMethodInformation, mCurOffset, mNextLabel );
throw new NotImplementedException();
}
}
}
}