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https://github.com/ryujinx-mirror/ryujinx.git
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113 lines
3.8 KiB
C#
113 lines
3.8 KiB
C#
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using ChocolArm64.State;
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using System;
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using System.Reflection;
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using System.Reflection.Emit;
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namespace ChocolArm64.Translation
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{
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static class AILConv
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{
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public static void EmitConv(AILEmitter Context, Type SrcType, Type TgtType)
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{
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if (SrcType == TgtType)
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{
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//If both types are equal we don't need to cast anything.
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return;
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}
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if (SrcType.IsPrimitive)
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{
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if (TgtType == typeof(byte))
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{
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Context.Generator.Emit(OpCodes.Conv_U1);
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}
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else if (TgtType == typeof(ushort))
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{
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Context.Generator.Emit(OpCodes.Conv_U2);
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}
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else if (TgtType == typeof(uint))
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{
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Context.Generator.Emit(OpCodes.Conv_U4);
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}
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else if (TgtType == typeof(ulong))
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{
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Context.Generator.Emit(OpCodes.Conv_U8);
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}
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else if (TgtType == typeof(float))
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{
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Context.Generator.Emit(OpCodes.Conv_R4);
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}
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else if (TgtType == typeof(double))
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{
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Context.Generator.Emit(OpCodes.Conv_R8);
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}
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else if (TgtType == typeof(AVec))
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{
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EmitMakeVec(Context, SrcType);
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}
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else
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{
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throw new ArgumentException(nameof(TgtType));
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}
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}
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else if (SrcType == typeof(AVec))
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{
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if (TgtType == typeof(float))
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{
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EmitScalarLdfld(Context, nameof(AVec.S0));
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}
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else if (TgtType == typeof(double))
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{
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EmitScalarLdfld(Context, nameof(AVec.D0));
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}
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else if (TgtType == typeof(byte))
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{
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EmitScalarLdfld(Context, nameof(AVec.B0));
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}
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else if (TgtType == typeof(ushort))
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{
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EmitScalarLdfld(Context, nameof(AVec.H0));
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}
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else if (TgtType == typeof(uint))
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{
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EmitScalarLdfld(Context, nameof(AVec.W0));
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}
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else if (TgtType == typeof(ulong))
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{
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EmitScalarLdfld(Context, nameof(AVec.X0));
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}
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else
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{
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throw new ArgumentException(nameof(TgtType));
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}
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}
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else
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{
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throw new ArgumentException(nameof(SrcType));
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}
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}
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private static void EmitScalarLdfld(AILEmitter Context,string FldName)
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{
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Context.Generator.Emit(OpCodes.Ldfld, typeof(AVec).GetField(FldName));
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}
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private static void EmitMakeVec(AILEmitter Context, Type SrcType)
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{
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string MthdName = nameof(MakeScalar);
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Type[] MthdTypes = new Type[] { SrcType };
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MethodInfo MthdInfo = typeof(AILConv).GetMethod(MthdName, MthdTypes);
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Context.Generator.Emit(OpCodes.Call, MthdInfo);
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}
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public static AVec MakeScalar(byte Value) => new AVec { B0 = Value };
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public static AVec MakeScalar(ushort Value) => new AVec { H0 = Value };
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public static AVec MakeScalar(uint Value) => new AVec { W0 = Value };
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public static AVec MakeScalar(float Value) => new AVec { S0 = Value };
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public static AVec MakeScalar(ulong Value) => new AVec { X0 = Value };
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public static AVec MakeScalar(double Value) => new AVec { D0 = Value };
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}
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}
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