ChocolArm64/Translation/ILOpCodeStore.cs
gdkchan 8d5a48ba0a Misc. CPU optimizations (#575)
* Add optimizations related to caller/callee saved registers, thread synchronization and disable tier 0

* Refactoring

* Add a config entry to enable or disable the reg load/store opt.

* Remove unnecessary register state stores for calls when the callee is know

* Rename IoType to VarType

* Enable tier 0 while fixing some perf issues related to tier 0

* Small tweak -- Compile before adding to the cache, to avoid lags

* Add required config entry
2019-02-28 13:03:31 +11:00

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C#

using ChocolArm64.State;
using System.Reflection.Emit;
namespace ChocolArm64.Translation
{
struct ILOpCodeStore : IILEmit
{
public int Index { get; }
public VarType VarType { get; }
public RegisterSize RegisterSize { get; }
public ILOpCodeStore(int index, VarType varType, RegisterSize registerSize = 0)
{
Index = index;
VarType = varType;
RegisterSize = registerSize;
}
public void Emit(ILMethodBuilder context)
{
switch (VarType)
{
case VarType.Arg: context.Generator.EmitStarg(Index); break;
case VarType.Flag: EmitStloc(context, Index, RegisterType.Flag); break;
case VarType.Int: EmitStloc(context, Index, RegisterType.Int); break;
case VarType.Vector: EmitStloc(context, Index, RegisterType.Vector); break;
}
}
private void EmitStloc(ILMethodBuilder context, int index, RegisterType registerType)
{
Register reg = new Register(index, registerType);
if (registerType == RegisterType.Int &&
RegisterSize == RegisterSize.Int32)
{
context.Generator.Emit(OpCodes.Conv_U8);
}
context.Generator.EmitStloc(context.GetLocalIndex(reg));
}
}
}