public static void Msr(AILEmitterCtx Context) { AOpCodeSystem Op = (AOpCodeSystem)Context.CurrOp; Context.EmitLdarg(ATranslatedSub.StateArgIdx); Context.EmitLdintzr(Op.Rt); string PropName; switch (GetPackedId(Op)) { case 0b11_011_0100_0100_000: PropName = nameof(AThreadState.Fpcr); break; case 0b11_011_0100_0100_001: PropName = nameof(AThreadState.Fpsr); break; case 0b11_011_1101_0000_010: PropName = nameof(AThreadState.TpidrEl0); break; default: throw new NotImplementedException($"Unknown MSR at {Op.Position:x16}"); } PropertyInfo PropInfo = typeof(AThreadState).GetProperty(PropName); if (PropInfo.PropertyType != typeof(long) && PropInfo.PropertyType != typeof(ulong)) { Context.Emit(OpCodes.Conv_U4); } Context.EmitCallPropSet(typeof(AThreadState), PropName); }
public static void EmitSetFpsrQCFlag(AILEmitterCtx Context) { const int QCFlagBit = 27; Context.EmitLdarg(ATranslatedSub.StateArgIdx); Context.EmitLdarg(ATranslatedSub.StateArgIdx); Context.EmitCallPropGet(typeof(AThreadState), nameof(AThreadState.Fpsr)); Context.EmitLdc_I4(1 << QCFlagBit); Context.Emit(OpCodes.Or); Context.EmitCallPropSet(typeof(AThreadState), nameof(AThreadState.Fpsr)); }
private static void EmitQxtn(AILEmitterCtx Context, bool Signed, bool Scalar) { AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp; int Elems = (!Scalar ? 8 >> Op.Size : 1); int ESize = 8 << Op.Size; int TMaxValue = (Signed ? (1 << (ESize - 1)) - 1 : (int)((1L << ESize) - 1L)); int TMinValue = (Signed ? -((1 << (ESize - 1))) : 0); int Part = (!Scalar & (Op.RegisterSize == ARegisterSize.SIMD128) ? Elems : 0); Context.EmitLdc_I8(0L); Context.EmitSttmp(); for (int Index = 0; Index < Elems; Index++) { AILLabel LblLe = new AILLabel(); AILLabel LblGeEnd = new AILLabel(); EmitVectorExtract(Context, Op.Rn, Index, Op.Size + 1, Signed); Context.Emit(OpCodes.Dup); Context.EmitLdc_I4(TMaxValue); Context.Emit(OpCodes.Conv_U8); Context.Emit(Signed ? OpCodes.Ble_S : OpCodes.Ble_Un_S, LblLe); Context.Emit(OpCodes.Pop); Context.EmitLdc_I4(TMaxValue); Context.EmitLdc_I8(0x8000000L); Context.EmitSttmp(); Context.Emit(OpCodes.Br_S, LblGeEnd); Context.MarkLabel(LblLe); Context.Emit(OpCodes.Dup); Context.EmitLdc_I4(TMinValue); Context.Emit(OpCodes.Conv_I8); Context.Emit(Signed ? OpCodes.Bge_S : OpCodes.Bge_Un_S, LblGeEnd); Context.Emit(OpCodes.Pop); Context.EmitLdc_I4(TMinValue); Context.EmitLdc_I8(0x8000000L); Context.EmitSttmp(); Context.MarkLabel(LblGeEnd); if (Scalar) { EmitVectorZeroLower(Context, Op.Rd); } EmitVectorInsert(Context, Op.Rd, Part + Index, Op.Size); } if (Part == 0) { EmitVectorZeroUpper(Context, Op.Rd); } Context.EmitLdarg(ATranslatedSub.StateArgIdx); Context.EmitLdarg(ATranslatedSub.StateArgIdx); Context.EmitCallPropGet(typeof(AThreadState), nameof(AThreadState.Fpsr)); Context.EmitLdtmp(); Context.Emit(OpCodes.Conv_I4); Context.Emit(OpCodes.Or); Context.EmitCallPropSet(typeof(AThreadState), nameof(AThreadState.Fpsr)); }
public static void EmitSaturatingNarrowOp( AILEmitterCtx Context, Action Emit, bool SignedSrc, bool SignedDst, bool Scalar) { AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp; int Elems = !Scalar ? 8 >> Op.Size : 1; int ESize = 8 << Op.Size; int Part = !Scalar && (Op.RegisterSize == ARegisterSize.SIMD128) ? Elems : 0; long TMaxValue = SignedDst ? (1 << (ESize - 1)) - 1 : (1L << ESize) - 1L; long TMinValue = SignedDst ? -((1 << (ESize - 1))) : 0; Context.EmitLdc_I8(0L); Context.EmitSttmp(); if (Part != 0) { Context.EmitLdvec(Op.Rd); Context.EmitStvectmp(); } for (int Index = 0; Index < Elems; Index++) { AILLabel LblLe = new AILLabel(); AILLabel LblGeEnd = new AILLabel(); EmitVectorExtract(Context, Op.Rn, Index, Op.Size + 1, SignedSrc); Emit(); Context.Emit(OpCodes.Dup); Context.EmitLdc_I8(TMaxValue); Context.Emit(SignedSrc ? OpCodes.Ble_S : OpCodes.Ble_Un_S, LblLe); Context.Emit(OpCodes.Pop); Context.EmitLdc_I8(TMaxValue); Context.EmitLdc_I8(0x8000000L); Context.EmitSttmp(); Context.Emit(OpCodes.Br_S, LblGeEnd); Context.MarkLabel(LblLe); Context.Emit(OpCodes.Dup); Context.EmitLdc_I8(TMinValue); Context.Emit(SignedSrc ? OpCodes.Bge_S : OpCodes.Bge_Un_S, LblGeEnd); Context.Emit(OpCodes.Pop); Context.EmitLdc_I8(TMinValue); Context.EmitLdc_I8(0x8000000L); Context.EmitSttmp(); Context.MarkLabel(LblGeEnd); if (Scalar) { EmitVectorZeroLower(Context, Op.Rd); } EmitVectorInsertTmp(Context, Part + Index, Op.Size); } Context.EmitLdvectmp(); Context.EmitStvec(Op.Rd); if (Part == 0) { EmitVectorZeroUpper(Context, Op.Rd); } Context.EmitLdarg(ATranslatedSub.StateArgIdx); Context.EmitLdarg(ATranslatedSub.StateArgIdx); Context.EmitCallPropGet(typeof(AThreadState), nameof(AThreadState.Fpsr)); Context.EmitLdtmp(); Context.Emit(OpCodes.Conv_I4); Context.Emit(OpCodes.Or); Context.EmitCallPropSet(typeof(AThreadState), nameof(AThreadState.Fpsr)); }