82 lines
2.8 KiB
C#
82 lines
2.8 KiB
C#
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using ChocolArm64.State;
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using System;
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using System.Reflection.Emit;
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namespace ChocolArm64.Translation
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{
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struct AILOpCodeLoad : IAILEmit
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{
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public int Index { get; private set; }
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public AIoType IoType { get; private set; }
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public Type OperType { get; private set; }
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public AILOpCodeLoad(int Index, AIoType IoType) : this(Index, IoType, null) { }
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public AILOpCodeLoad(int Index, AIoType IoType, Type OperType)
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{
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this.IoType = IoType;
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this.Index = Index;
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this.OperType = OperType;
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}
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public void Emit(AILEmitter Context)
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{
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switch (IoType & AIoType.Mask)
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{
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case AIoType.Arg: EmitLdarg(Context, Index); break;
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case AIoType.Fields: EmitLdfld(Context, Index); break;
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case AIoType.Flag: EmitLdloc(Context, Index, ARegisterType.Flag); break;
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case AIoType.Int: EmitLdloc(Context, Index, ARegisterType.Int); break;
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case AIoType.Vector: EmitLdloc(Context, Index, ARegisterType.Vector); break;
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}
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}
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private void EmitLdarg(AILEmitter Context, int Index)
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{
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Context.Generator.EmitLdarg(Index);
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}
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private void EmitLdfld(AILEmitter Context, int Index)
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{
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long IntInputs = Context.LocalAlloc.GetIntInputs(Context.GetILBlock(Index));
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long VecInputs = Context.LocalAlloc.GetVecInputs(Context.GetILBlock(Index));
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LoadLocals(Context, IntInputs, ARegisterType.Int);
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LoadLocals(Context, VecInputs, ARegisterType.Vector);
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}
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private void LoadLocals(AILEmitter Context, long Inputs, ARegisterType BaseType)
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{
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for (int Bit = 0; Bit < 64; Bit++)
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{
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long Mask = 1L << Bit;
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if ((Inputs & Mask) != 0)
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{
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ARegister Reg = AILEmitter.GetRegFromBit(Bit, BaseType);
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Context.Generator.EmitLdarg(ATranslatedSub.RegistersArgIdx);
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Context.Generator.Emit(OpCodes.Ldfld, Reg.GetField());
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AILConv.EmitConv(
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Context,
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Context.GetFieldType(Reg.Type),
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Context.GetLocalType(Reg));
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Context.Generator.EmitStloc(Context.GetLocalIndex(Reg));
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}
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}
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}
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private void EmitLdloc(AILEmitter Context, int Index, ARegisterType Type)
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{
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ARegister Reg = new ARegister(Index, Type);
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Context.Generator.EmitLdloc(Context.GetLocalIndex(Reg));
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AILConv.EmitConv(Context, Context.GetLocalType(Reg), OperType);
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}
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}
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}
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