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ryujinx-final/ChocolArm64/Translation/ILOpCodeLoad.cs

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using ChocolArm64.State;
using System.Reflection.Emit;
namespace ChocolArm64.Translation
{
struct ILOpCodeLoad : IILEmit
{
public int Index { get; private set; }
public IoType IoType { get; private set; }
public RegisterSize RegisterSize { get; private set; }
public ILOpCodeLoad(int index, IoType ioType, RegisterSize registerSize = 0)
{
Index = index;
IoType = ioType;
RegisterSize = registerSize;
}
public void Emit(ILMethodBuilder context)
{
switch (IoType)
{
case IoType.Arg: context.Generator.EmitLdarg(Index); break;
case IoType.Flag: EmitLdloc(context, Index, RegisterType.Flag); break;
case IoType.Int: EmitLdloc(context, Index, RegisterType.Int); break;
case IoType.Vector: EmitLdloc(context, Index, RegisterType.Vector); break;
}
}
private void EmitLdloc(ILMethodBuilder context, int index, RegisterType registerType)
{
Register reg = new Register(index, registerType);
context.Generator.EmitLdloc(context.GetLocalIndex(reg));
if (registerType == RegisterType.Int &&
RegisterSize == RegisterSize.Int32)
{
context.Generator.Emit(OpCodes.Conv_U4);
}
}
}
}