Cosmos/source/Indy.IL2CPU.IL.X86/Conv_Ovf_I8.cs

using System;

using CPUx86 = Indy.IL2CPU.Assembler.X86;
using Indy.IL2CPU.Assembler;

namespace Indy.IL2CPU.IL.X86 {
	[OpCode(OpCodeEnum.Conv_Ovf_I8)]
	public class Conv_Ovf_I8: Op {
		public Conv_Ovf_I8(ILReader aReader, MethodInformation aMethodInfo)
			: base(aReader, aMethodInfo) {
		}
		public override void DoAssemble() {
            var xSource = Assembler.StackContents.Pop();
            switch (xSource.Size)
            {
                case 1:
                case 2:
                case 4:
                    new CPUx86.Pop(CPUx86.Registers.EAX);
                    new CPUx86.SignExtendAX(4);
                    new CPUx86.Pushd("EDX");
                    new CPUx86.Pushd("EAX");
                    break;
                case 8:
                    new CPUx86.Noop();
                    break;
                default:
                    throw new Exception("SourceSize " + xSource + " not supported!");
            }
            Assembler.StackContents.Push(new StackContent(8, true, false, true));
		}
	}
}