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Split main project into core,graphics and chocolarm4 subproject (#29)

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emmauss 2018-02-20 22:09:23 +02:00 • committed by gdkchan
parent cb665bb715
commit 62b827f474
257 changed files with 415 additions and 285 deletions
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81
ChocolArm64/Translation/AILOpCodeConst.cs Normal file
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using System.Reflection.Emit;
using System.Runtime.InteropServices;
namespace ChocolArm64.Translation
{
class AILOpCodeConst : IAILEmit
{
[StructLayout(LayoutKind.Explicit, Size = 8)]
private struct ImmVal
{
[FieldOffset(0)] public int I4;
[FieldOffset(0)] public long I8;
[FieldOffset(0)] public float R4;
[FieldOffset(0)] public double R8;
}
private ImmVal Value;
private enum ConstType
{
Int32,
Int64,
Single,
Double
}
private ConstType Type;
private AILOpCodeConst(ConstType Type)
{
this.Type = Type;
}
public AILOpCodeConst(int Value) : this(ConstType.Int32)
{
this.Value = new ImmVal { I4 = Value };
}
public AILOpCodeConst(long Value) : this(ConstType.Int64)
{
this.Value = new ImmVal { I8 = Value };
}
public AILOpCodeConst(float Value) : this(ConstType.Single)
{
this.Value = new ImmVal { R4 = Value };
}
public AILOpCodeConst(double Value) : this(ConstType.Double)
{
this.Value = new ImmVal { R8 = Value };
}
public void Emit(AILEmitter Context)
{
switch (Type)
{
case ConstType.Int32: Context.Generator.EmitLdc_I4(Value.I4); break;
case ConstType.Int64:
{
if (Value.I8 >= int.MinValue &&
Value.I8 <= int.MaxValue)
{
Context.Generator.EmitLdc_I4(Value.I4);
Context.Generator.Emit(OpCodes.Conv_I8);
}
else
{
Context.Generator.Emit(OpCodes.Ldc_I8, Value.I8);
}
break;
}
case ConstType.Single: Context.Generator.Emit(OpCodes.Ldc_R4, Value.R4); break;
case ConstType.Double: Context.Generator.Emit(OpCodes.Ldc_R8, Value.R8); break;
}
}
}
}