mirror of
https://github.com/ryujinx-mirror/ryujinx.git
synced 2024-12-23 12:05:45 +00:00
1167 lines
38 KiB
C#
1167 lines
38 KiB
C#
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using ARMeilleure.Decoders;
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using ARMeilleure.IntermediateRepresentation;
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using ARMeilleure.State;
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using ARMeilleure.Translation;
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using System;
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using System.Diagnostics;
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using static ARMeilleure.Instructions.InstEmitHelper;
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using static ARMeilleure.Instructions.InstEmitSimdHelper;
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using static ARMeilleure.IntermediateRepresentation.OperandHelper;
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namespace ARMeilleure.Instructions
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{
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using Func1I = Func<Operand, Operand>;
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static partial class InstEmit
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{
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public static void Fcvt_S(ArmEmitterContext context)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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if (op.Size == 0 && op.Opc == 1) // Single -> Double.
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{
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if (Optimizations.UseSse2)
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{
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Operand n = GetVec(op.Rn);
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Operand res = context.AddIntrinsic(Intrinsic.X86Cvtss2sd, context.VectorZero(), n);
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context.Copy(GetVec(op.Rd), res);
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}
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else
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{
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Operand ne = context.VectorExtract(OperandType.FP32, GetVec(op.Rn), 0);
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Operand res = context.ConvertToFP(OperandType.FP64, ne);
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context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
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}
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}
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else if (op.Size == 1 && op.Opc == 0) // Double -> Single.
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{
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if (Optimizations.UseSse2)
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{
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Operand n = GetVec(op.Rn);
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Operand res = context.AddIntrinsic(Intrinsic.X86Cvtsd2ss, context.VectorZero(), n);
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context.Copy(GetVec(op.Rd), res);
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}
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else
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{
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Operand ne = context.VectorExtract(OperandType.FP64, GetVec(op.Rn), 0);
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Operand res = context.ConvertToFP(OperandType.FP32, ne);
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context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
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}
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}
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else if (op.Size == 0 && op.Opc == 3) // Single -> Half.
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{
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Operand ne = context.VectorExtract(OperandType.FP32, GetVec(op.Rn), 0);
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Delegate dlg = new _U16_F32(SoftFloat32_16.FPConvert);
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Operand res = context.Call(dlg, ne);
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res = context.ZeroExtend16(OperandType.I64, res);
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context.Copy(GetVec(op.Rd), EmitVectorInsert(context, context.VectorZero(), res, 0, 1));
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}
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else if (op.Size == 3 && op.Opc == 0) // Half -> Single.
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{
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Operand ne = EmitVectorExtractZx(context, op.Rn, 0, 1);
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Delegate dlg = new _F32_U16(SoftFloat16_32.FPConvert);
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Operand res = context.Call(dlg, ne);
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context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
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}
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else if (op.Size == 1 && op.Opc == 3) // Double -> Half.
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{
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throw new NotImplementedException("Double-precision to half-precision.");
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}
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else if (op.Size == 3 && op.Opc == 1) // Double -> Half.
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{
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throw new NotImplementedException("Half-precision to double-precision.");
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}
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else // Invalid encoding.
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{
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Debug.Assert(false, $"type == {op.Size} && opc == {op.Opc}");
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}
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}
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public static void Fcvtas_Gp(ArmEmitterContext context)
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{
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EmitFcvt_s_Gp(context, (op1) => EmitRoundMathCall(context, MidpointRounding.AwayFromZero, op1));
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}
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public static void Fcvtau_Gp(ArmEmitterContext context)
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{
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EmitFcvt_u_Gp(context, (op1) => EmitRoundMathCall(context, MidpointRounding.AwayFromZero, op1));
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}
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public static void Fcvtl_V(ArmEmitterContext context)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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int sizeF = op.Size & 1;
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if (Optimizations.UseSse2 && sizeF == 1)
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{
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Operand n = GetVec(op.Rn);
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Operand res;
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if (op.RegisterSize == RegisterSize.Simd128)
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{
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res = context.AddIntrinsic(Intrinsic.X86Movhlps, n, n);
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}
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else
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{
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res = n;
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}
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res = context.AddIntrinsic(Intrinsic.X86Cvtps2pd, res);
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context.Copy(GetVec(op.Rd), res);
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}
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else
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{
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Operand res = context.VectorZero();
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int elems = 4 >> sizeF;
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int part = op.RegisterSize == RegisterSize.Simd128 ? elems : 0;
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for (int index = 0; index < elems; index++)
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{
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if (sizeF == 0)
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{
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Operand ne = EmitVectorExtractZx(context, op.Rn, part + index, 1);
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Delegate dlg = new _F32_U16(SoftFloat16_32.FPConvert);
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Operand e = context.Call(dlg, ne);
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res = context.VectorInsert(res, e, index);
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}
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else /* if (sizeF == 1) */
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{
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Operand ne = context.VectorExtract(OperandType.FP32, GetVec(op.Rn), part + index);
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Operand e = context.ConvertToFP(OperandType.FP64, ne);
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res = context.VectorInsert(res, e, index);
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}
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}
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context.Copy(GetVec(op.Rd), res);
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}
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}
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public static void Fcvtms_Gp(ArmEmitterContext context)
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{
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EmitFcvt_s_Gp(context, (op1) => EmitUnaryMathCall(context, MathF.Floor, Math.Floor, op1));
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}
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public static void Fcvtmu_Gp(ArmEmitterContext context)
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{
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EmitFcvt_u_Gp(context, (op1) => EmitUnaryMathCall(context, MathF.Floor, Math.Floor, op1));
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}
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public static void Fcvtn_V(ArmEmitterContext context)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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int sizeF = op.Size & 1;
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if (Optimizations.UseSse2 && sizeF == 1)
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{
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Operand d = GetVec(op.Rd);
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Operand n = GetVec(op.Rn);
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Operand res = context.AddIntrinsic(Intrinsic.X86Movlhps, d, context.VectorZero());
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Operand nInt = context.AddIntrinsic(Intrinsic.X86Cvtpd2ps, n);
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nInt = context.AddIntrinsic(Intrinsic.X86Movlhps, nInt, nInt);
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Intrinsic movInst = op.RegisterSize == RegisterSize.Simd128
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? Intrinsic.X86Movlhps
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: Intrinsic.X86Movhlps;
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res = context.AddIntrinsic(movInst, res, nInt);
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context.Copy(GetVec(op.Rd), res);
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}
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else
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{
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OperandType type = sizeF == 0 ? OperandType.FP32 : OperandType.FP64;
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int elems = 4 >> sizeF;
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int part = op.RegisterSize == RegisterSize.Simd128 ? elems : 0;
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Operand res = part == 0 ? context.VectorZero() : context.Copy(GetVec(op.Rd));
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for (int index = 0; index < elems; index++)
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{
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Operand ne = context.VectorExtract(type, GetVec(op.Rn), 0);
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if (sizeF == 0)
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{
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Delegate dlg = new _U16_F32(SoftFloat32_16.FPConvert);
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Operand e = context.Call(dlg, ne);
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e = context.ZeroExtend16(OperandType.I64, e);
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res = EmitVectorInsert(context, res, e, part + index, 1);
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}
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else /* if (sizeF == 1) */
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{
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Operand e = context.ConvertToFP(OperandType.FP32, ne);
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res = context.VectorInsert(res, e, part + index);
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}
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}
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context.Copy(GetVec(op.Rd), res);
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}
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}
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public static void Fcvtns_S(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvts(context, FPRoundingMode.ToNearest, scalar: true);
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}
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else
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{
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EmitFcvtn(context, signed: true, scalar: true);
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}
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}
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public static void Fcvtns_V(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvts(context, FPRoundingMode.ToNearest, scalar: false);
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}
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else
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{
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EmitFcvtn(context, signed: true, scalar: false);
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}
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}
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public static void Fcvtnu_S(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvtu(context, FPRoundingMode.ToNearest, scalar: true);
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}
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else
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{
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EmitFcvtn(context, signed: false, scalar: true);
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}
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}
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public static void Fcvtnu_V(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvtu(context, FPRoundingMode.ToNearest, scalar: false);
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}
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else
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{
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EmitFcvtn(context, signed: false, scalar: false);
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}
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}
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public static void Fcvtps_Gp(ArmEmitterContext context)
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{
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EmitFcvt_s_Gp(context, (op1) => EmitUnaryMathCall(context, MathF.Ceiling, Math.Ceiling, op1));
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}
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public static void Fcvtpu_Gp(ArmEmitterContext context)
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{
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EmitFcvt_u_Gp(context, (op1) => EmitUnaryMathCall(context, MathF.Ceiling, Math.Ceiling, op1));
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}
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public static void Fcvtzs_Gp(ArmEmitterContext context)
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{
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EmitFcvt_s_Gp(context, (op1) => op1);
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}
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public static void Fcvtzs_Gp_Fixed(ArmEmitterContext context)
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{
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EmitFcvtzs_Gp_Fixed(context);
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}
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public static void Fcvtzs_S(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvts(context, FPRoundingMode.TowardsZero, scalar: true);
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}
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else
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{
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EmitFcvtz(context, signed: true, scalar: true);
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}
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}
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public static void Fcvtzs_V(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvts(context, FPRoundingMode.TowardsZero, scalar: false);
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}
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else
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{
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EmitFcvtz(context, signed: true, scalar: false);
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}
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}
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public static void Fcvtzs_V_Fixed(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvts(context, FPRoundingMode.TowardsZero, scalar: false);
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}
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else
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{
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EmitFcvtz(context, signed: true, scalar: false);
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}
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}
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public static void Fcvtzu_Gp(ArmEmitterContext context)
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{
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EmitFcvt_u_Gp(context, (op1) => op1);
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}
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public static void Fcvtzu_Gp_Fixed(ArmEmitterContext context)
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{
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EmitFcvtzu_Gp_Fixed(context);
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}
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public static void Fcvtzu_S(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvtu(context, FPRoundingMode.TowardsZero, scalar: true);
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}
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else
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{
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EmitFcvtz(context, signed: false, scalar: true);
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}
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}
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public static void Fcvtzu_V(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvtu(context, FPRoundingMode.TowardsZero, scalar: false);
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}
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else
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{
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EmitFcvtz(context, signed: false, scalar: false);
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}
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}
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public static void Fcvtzu_V_Fixed(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvtu(context, FPRoundingMode.TowardsZero, scalar: false);
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}
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else
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{
|
||
|
|
EmitFcvtz(context, signed: false, scalar: false);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void Scvtf_Gp(ArmEmitterContext context)
|
||
|
|
{
|
||
|
|
OpCodeSimdCvt op = (OpCodeSimdCvt)context.CurrOp;
|
||
|
|
|
||
|
|
Operand res = GetIntOrZR(context, op.Rn);
|
||
|
|
|
||
|
|
if (op.RegisterSize == RegisterSize.Int32)
|
||
|
|
{
|
||
|
|
res = context.SignExtend32(OperandType.I64, res);
|
||
|
|
}
|
||
|
|
|
||
|
|
res = EmitFPConvert(context, res, op.Size, signed: true);
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void Scvtf_Gp_Fixed(ArmEmitterContext context)
|
||
|
|
{
|
||
|
|
OpCodeSimdCvt op = (OpCodeSimdCvt)context.CurrOp;
|
||
|
|
|
||
|
|
Operand res = GetIntOrZR(context, op.Rn);
|
||
|
|
|
||
|
|
if (op.RegisterSize == RegisterSize.Int32)
|
||
|
|
{
|
||
|
|
res = context.SignExtend32(OperandType.I64, res);
|
||
|
|
}
|
||
|
|
|
||
|
|
res = EmitFPConvert(context, res, op.Size, signed: true);
|
||
|
|
|
||
|
|
res = EmitI2fFBitsMul(context, res, op.FBits);
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void Scvtf_S(ArmEmitterContext context)
|
||
|
|
{
|
||
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
||
|
|
|
||
|
|
int sizeF = op.Size & 1;
|
||
|
|
|
||
|
|
if (Optimizations.UseSse2 && sizeF == 0)
|
||
|
|
{
|
||
|
|
EmitSse2Scvtf(context, scalar: true);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Operand res = EmitVectorLongExtract(context, op.Rn, 0, sizeF + 2);
|
||
|
|
|
||
|
|
res = EmitFPConvert(context, res, op.Size, signed: true);
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void Scvtf_V(ArmEmitterContext context)
|
||
|
|
{
|
||
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
||
|
|
|
||
|
|
int sizeF = op.Size & 1;
|
||
|
|
|
||
|
|
if (Optimizations.UseSse2 && sizeF == 0)
|
||
|
|
{
|
||
|
|
EmitSse2Scvtf(context, scalar: false);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
EmitVectorCvtf(context, signed: true);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void Scvtf_V_Fixed(ArmEmitterContext context)
|
||
|
|
{
|
||
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
||
|
|
|
||
|
|
// sizeF == ((OpCodeSimdShImm64)op).Size - 2
|
||
|
|
int sizeF = op.Size & 1;
|
||
|
|
|
||
|
|
if (Optimizations.UseSse2 && sizeF == 0)
|
||
|
|
{
|
||
|
|
EmitSse2Scvtf(context, scalar: false);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
EmitVectorCvtf(context, signed: true);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void Ucvtf_Gp(ArmEmitterContext context)
|
||
|
|
{
|
||
|
|
OpCodeSimdCvt op = (OpCodeSimdCvt)context.CurrOp;
|
||
|
|
|
||
|
|
Operand res = GetIntOrZR(context, op.Rn);
|
||
|
|
|
||
|
|
res = EmitFPConvert(context, res, op.Size, signed: false);
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void Ucvtf_Gp_Fixed(ArmEmitterContext context)
|
||
|
|
{
|
||
|
|
OpCodeSimdCvt op = (OpCodeSimdCvt)context.CurrOp;
|
||
|
|
|
||
|
|
Operand res = GetIntOrZR(context, op.Rn);
|
||
|
|
|
||
|
|
res = EmitFPConvert(context, res, op.Size, signed: false);
|
||
|
|
|
||
|
|
res = EmitI2fFBitsMul(context, res, op.FBits);
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void Ucvtf_S(ArmEmitterContext context)
|
||
|
|
{
|
||
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
||
|
|
|
||
|
|
int sizeF = op.Size & 1;
|
||
|
|
|
||
|
|
if (Optimizations.UseSse2 && sizeF == 0)
|
||
|
|
{
|
||
|
|
EmitSse2Ucvtf(context, scalar: true);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Operand ne = EmitVectorLongExtract(context, op.Rn, 0, sizeF + 2);
|
||
|
|
|
||
|
|
Operand res = EmitFPConvert(context, ne, sizeF, signed: false);
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void Ucvtf_V(ArmEmitterContext context)
|
||
|
|
{
|
||
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
||
|
|
|
||
|
|
int sizeF = op.Size & 1;
|
||
|
|
|
||
|
|
if (Optimizations.UseSse2 && sizeF == 0)
|
||
|
|
{
|
||
|
|
EmitSse2Ucvtf(context, scalar: false);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
EmitVectorCvtf(context, signed: false);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void Ucvtf_V_Fixed(ArmEmitterContext context)
|
||
|
|
{
|
||
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
||
|
|
|
||
|
|
// sizeF == ((OpCodeSimdShImm)op).Size - 2
|
||
|
|
int sizeF = op.Size & 1;
|
||
|
|
|
||
|
|
if (Optimizations.UseSse2 && sizeF == 0)
|
||
|
|
{
|
||
|
|
EmitSse2Ucvtf(context, scalar: false);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
EmitVectorCvtf(context, signed: false);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static void EmitFcvtn(ArmEmitterContext context, bool signed, bool scalar)
|
||
|
|
{
|
||
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
||
|
|
|
||
|
|
Operand res = context.VectorZero();
|
||
|
|
|
||
|
|
Operand n = GetVec(op.Rn);
|
||
|
|
|
||
|
|
int sizeF = op.Size & 1;
|
||
|
|
int sizeI = sizeF + 2;
|
||
|
|
|
||
|
|
OperandType type = sizeF == 0 ? OperandType.FP32 : OperandType.FP64;
|
||
|
|
|
||
|
|
int elems = !scalar ? op.GetBytesCount() >> sizeI : 1;
|
||
|
|
|
||
|
|
for (int index = 0; index < elems; index++)
|
||
|
|
{
|
||
|
|
Operand ne = context.VectorExtract(type, n, index);
|
||
|
|
|
||
|
|
Operand e = EmitRoundMathCall(context, MidpointRounding.ToEven, ne);
|
||
|
|
|
||
|
|
if (sizeF == 0)
|
||
|
|
{
|
||
|
|
Delegate dlg = signed
|
||
|
|
? (Delegate)new _S32_F32(SoftFallback.SatF32ToS32)
|
||
|
|
: (Delegate)new _U32_F32(SoftFallback.SatF32ToU32);
|
||
|
|
|
||
|
|
e = context.Call(dlg, e);
|
||
|
|
|
||
|
|
e = context.ZeroExtend32(OperandType.I64, e);
|
||
|
|
}
|
||
|
|
else /* if (sizeF == 1) */
|
||
|
|
{
|
||
|
|
Delegate dlg = signed
|
||
|
|
? (Delegate)new _S64_F64(SoftFallback.SatF64ToS64)
|
||
|
|
: (Delegate)new _U64_F64(SoftFallback.SatF64ToU64);
|
||
|
|
|
||
|
|
e = context.Call(dlg, e);
|
||
|
|
}
|
||
|
|
|
||
|
|
res = EmitVectorInsert(context, res, e, index, sizeI);
|
||
|
|
}
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), res);
|
||
|
|
}
|
||
|
|
|
||
|
|
private static void EmitFcvtz(ArmEmitterContext context, bool signed, bool scalar)
|
||
|
|
{
|
||
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
||
|
|
|
||
|
|
Operand res = context.VectorZero();
|
||
|
|
|
||
|
|
Operand n = GetVec(op.Rn);
|
||
|
|
|
||
|
|
int sizeF = op.Size & 1;
|
||
|
|
int sizeI = sizeF + 2;
|
||
|
|
|
||
|
|
OperandType type = sizeF == 0 ? OperandType.FP32 : OperandType.FP64;
|
||
|
|
|
||
|
|
int fBits = GetFBits(context);
|
||
|
|
|
||
|
|
int elems = !scalar ? op.GetBytesCount() >> sizeI : 1;
|
||
|
|
|
||
|
|
for (int index = 0; index < elems; index++)
|
||
|
|
{
|
||
|
|
Operand ne = context.VectorExtract(type, n, index);
|
||
|
|
|
||
|
|
Operand e = EmitF2iFBitsMul(context, ne, fBits);
|
||
|
|
|
||
|
|
if (sizeF == 0)
|
||
|
|
{
|
||
|
|
Delegate dlg = signed
|
||
|
|
? (Delegate)new _S32_F32(SoftFallback.SatF32ToS32)
|
||
|
|
: (Delegate)new _U32_F32(SoftFallback.SatF32ToU32);
|
||
|
|
|
||
|
|
e = context.Call(dlg, e);
|
||
|
|
|
||
|
|
e = context.ZeroExtend32(OperandType.I64, e);
|
||
|
|
}
|
||
|
|
else /* if (sizeF == 1) */
|
||
|
|
{
|
||
|
|
Delegate dlg = signed
|
||
|
|
? (Delegate)new _S64_F64(SoftFallback.SatF64ToS64)
|
||
|
|
: (Delegate)new _U64_F64(SoftFallback.SatF64ToU64);
|
||
|
|
|
||
|
|
e = context.Call(dlg, e);
|
||
|
|
}
|
||
|
|
|
||
|
|
res = EmitVectorInsert(context, res, e, index, sizeI);
|
||
|
|
}
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), res);
|
||
|
|
}
|
||
|
|
|
||
|
|
private static void EmitFcvt_s_Gp(ArmEmitterContext context, Func1I emit)
|
||
|
|
{
|
||
|
|
EmitFcvt___Gp(context, emit, signed: true);
|
||
|
|
}
|
||
|
|
|
||
|
|
private static void EmitFcvt_u_Gp(ArmEmitterContext context, Func1I emit)
|
||
|
|
{
|
||
|
|
EmitFcvt___Gp(context, emit, signed: false);
|
||
|
|
}
|
||
|
|
|
||
|
|
private static void EmitFcvt___Gp(ArmEmitterContext context, Func1I emit, bool signed)
|
||
|
|
{
|
||
|
|
OpCodeSimdCvt op = (OpCodeSimdCvt)context.CurrOp;
|
||
|
|
|
||
|
|
OperandType type = op.Size == 0 ? OperandType.FP32 : OperandType.FP64;
|
||
|
|
|
||
|
|
Operand ne = context.VectorExtract(type, GetVec(op.Rn), 0);
|
||
|
|
|
||
|
|
Operand res = signed
|
||
|
|
? EmitScalarFcvts(context, emit(ne), 0)
|
||
|
|
: EmitScalarFcvtu(context, emit(ne), 0);
|
||
|
|
|
||
|
|
SetIntOrZR(context, op.Rd, res);
|
||
|
|
}
|
||
|
|
|
||
|
|
private static void EmitFcvtzs_Gp_Fixed(ArmEmitterContext context)
|
||
|
|
{
|
||
|
|
EmitFcvtz__Gp_Fixed(context, signed: true);
|
||
|
|
}
|
||
|
|
|
||
|
|
private static void EmitFcvtzu_Gp_Fixed(ArmEmitterContext context)
|
||
|
|
{
|
||
|
|
EmitFcvtz__Gp_Fixed(context, signed: false);
|
||
|
|
}
|
||
|
|
|
||
|
|
private static void EmitFcvtz__Gp_Fixed(ArmEmitterContext context, bool signed)
|
||
|
|
{
|
||
|
|
OpCodeSimdCvt op = (OpCodeSimdCvt)context.CurrOp;
|
||
|
|
|
||
|
|
OperandType type = op.Size == 0 ? OperandType.FP32 : OperandType.FP64;
|
||
|
|
|
||
|
|
Operand ne = context.VectorExtract(type, GetVec(op.Rn), 0);
|
||
|
|
|
||
|
|
Operand res = signed
|
||
|
|
? EmitScalarFcvts(context, ne, op.FBits)
|
||
|
|
: EmitScalarFcvtu(context, ne, op.FBits);
|
||
|
|
|
||
|
|
SetIntOrZR(context, op.Rd, res);
|
||
|
|
}
|
||
|
|
|
||
|
|
private static void EmitVectorCvtf(ArmEmitterContext context, bool signed)
|
||
|
|
{
|
||
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
||
|
|
|
||
|
|
Operand res = context.VectorZero();
|
||
|
|
|
||
|
|
int sizeF = op.Size & 1;
|
||
|
|
int sizeI = sizeF + 2;
|
||
|
|
|
||
|
|
int fBits = GetFBits(context);
|
||
|
|
|
||
|
|
int elems = op.GetBytesCount() >> sizeI;
|
||
|
|
|
||
|
|
for (int index = 0; index < elems; index++)
|
||
|
|
{
|
||
|
|
Operand ne = EmitVectorLongExtract(context, op.Rn, index, sizeI);
|
||
|
|
|
||
|
|
Operand e = EmitFPConvert(context, ne, sizeF, signed);
|
||
|
|
|
||
|
|
e = EmitI2fFBitsMul(context, e, fBits);
|
||
|
|
|
||
|
|
res = context.VectorInsert(res, e, index);
|
||
|
|
}
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), res);
|
||
|
|
}
|
||
|
|
|
||
|
|
private static int GetFBits(ArmEmitterContext context)
|
||
|
|
{
|
||
|
|
if (context.CurrOp is OpCodeSimdShImm op)
|
||
|
|
{
|
||
|
|
return GetImmShr(op);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
private static Operand EmitFPConvert(ArmEmitterContext context, Operand value, int size, bool signed)
|
||
|
|
{
|
||
|
|
Debug.Assert(value.Type == OperandType.I32 || value.Type == OperandType.I64);
|
||
|
|
Debug.Assert((uint)size < 2);
|
||
|
|
|
||
|
|
OperandType type = size == 0 ? OperandType.FP32
|
||
|
|
: OperandType.FP64;
|
||
|
|
|
||
|
|
if (signed)
|
||
|
|
{
|
||
|
|
return context.ConvertToFP(type, value);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return context.ConvertToFPUI(type, value);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static Operand EmitScalarFcvts(ArmEmitterContext context, Operand value, int fBits)
|
||
|
|
{
|
||
|
|
Debug.Assert(value.Type == OperandType.FP32 || value.Type == OperandType.FP64);
|
||
|
|
|
||
|
|
value = EmitF2iFBitsMul(context, value, fBits);
|
||
|
|
|
||
|
|
if (context.CurrOp.RegisterSize == RegisterSize.Int32)
|
||
|
|
{
|
||
|
|
Delegate dlg = value.Type == OperandType.FP32
|
||
|
|
? (Delegate)new _S32_F32(SoftFallback.SatF32ToS32)
|
||
|
|
: (Delegate)new _S32_F64(SoftFallback.SatF64ToS32);
|
||
|
|
|
||
|
|
return context.Call(dlg, value);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Delegate dlg = value.Type == OperandType.FP32
|
||
|
|
? (Delegate)new _S64_F32(SoftFallback.SatF32ToS64)
|
||
|
|
: (Delegate)new _S64_F64(SoftFallback.SatF64ToS64);
|
||
|
|
|
||
|
|
return context.Call(dlg, value);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static Operand EmitScalarFcvtu(ArmEmitterContext context, Operand value, int fBits)
|
||
|
|
{
|
||
|
|
Debug.Assert(value.Type == OperandType.FP32 || value.Type == OperandType.FP64);
|
||
|
|
|
||
|
|
value = EmitF2iFBitsMul(context, value, fBits);
|
||
|
|
|
||
|
|
if (context.CurrOp.RegisterSize == RegisterSize.Int32)
|
||
|
|
{
|
||
|
|
Delegate dlg = value.Type == OperandType.FP32
|
||
|
|
? (Delegate)new _U32_F32(SoftFallback.SatF32ToU32)
|
||
|
|
: (Delegate)new _U32_F64(SoftFallback.SatF64ToU32);
|
||
|
|
|
||
|
|
return context.Call(dlg, value);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Delegate dlg = value.Type == OperandType.FP32
|
||
|
|
? (Delegate)new _U64_F32(SoftFallback.SatF32ToU64)
|
||
|
|
: (Delegate)new _U64_F64(SoftFallback.SatF64ToU64);
|
||
|
|
|
||
|
|
return context.Call(dlg, value);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static Operand EmitF2iFBitsMul(ArmEmitterContext context, Operand value, int fBits)
|
||
|
|
{
|
||
|
|
Debug.Assert(value.Type == OperandType.FP32 || value.Type == OperandType.FP64);
|
||
|
|
|
||
|
|
if (fBits == 0)
|
||
|
|
{
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (value.Type == OperandType.FP32)
|
||
|
|
{
|
||
|
|
return context.Multiply(value, ConstF(MathF.Pow(2f, fBits)));
|
||
|
|
}
|
||
|
|
else /* if (value.Type == OperandType.FP64) */
|
||
|
|
{
|
||
|
|
return context.Multiply(value, ConstF(Math.Pow(2d, fBits)));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static Operand EmitI2fFBitsMul(ArmEmitterContext context, Operand value, int fBits)
|
||
|
|
{
|
||
|
|
Debug.Assert(value.Type == OperandType.FP32 || value.Type == OperandType.FP64);
|
||
|
|
|
||
|
|
if (fBits == 0)
|
||
|
|
{
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (value.Type == OperandType.FP32)
|
||
|
|
{
|
||
|
|
return context.Multiply(value, ConstF(1f / MathF.Pow(2f, fBits)));
|
||
|
|
}
|
||
|
|
else /* if (value.Type == OperandType.FP64) */
|
||
|
|
{
|
||
|
|
return context.Multiply(value, ConstF(1d / Math.Pow(2d, fBits)));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static void EmitSse41Fcvts(ArmEmitterContext context, FPRoundingMode roundMode, bool scalar)
|
||
|
|
{
|
||
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
||
|
|
|
||
|
|
Operand n = GetVec(op.Rn);
|
||
|
|
|
||
|
|
const int cmpGreaterThanOrEqual = 5;
|
||
|
|
const int cmpOrdered = 7;
|
||
|
|
|
||
|
|
// sizeF == ((OpCodeSimdShImm64)op).Size - 2
|
||
|
|
int sizeF = op.Size & 1;
|
||
|
|
|
||
|
|
if (sizeF == 0)
|
||
|
|
{
|
||
|
|
Operand nMask = context.AddIntrinsic(Intrinsic.X86Cmpps, n, n, Const(cmpOrdered));
|
||
|
|
|
||
|
|
Operand nScaled = context.AddIntrinsic(Intrinsic.X86Pand, nMask, n);
|
||
|
|
|
||
|
|
if (op is OpCodeSimdShImm fixedOp)
|
||
|
|
{
|
||
|
|
int fBits = GetImmShr(fixedOp);
|
||
|
|
|
||
|
|
// BitConverter.Int32BitsToSingle(fpScaled) == MathF.Pow(2f, fBits)
|
||
|
|
int fpScaled = 0x3F800000 + fBits * 0x800000;
|
||
|
|
|
||
|
|
Operand scale = X86GetAllElements(context, fpScaled);
|
||
|
|
|
||
|
|
nScaled = context.AddIntrinsic(Intrinsic.X86Mulps, nScaled, scale);
|
||
|
|
}
|
||
|
|
|
||
|
|
Operand nRnd = context.AddIntrinsic(Intrinsic.X86Roundps, nScaled, Const(X86GetRoundControl(roundMode)));
|
||
|
|
|
||
|
|
Operand nInt = context.AddIntrinsic(Intrinsic.X86Cvtps2dq, nRnd);
|
||
|
|
|
||
|
|
Operand mask = X86GetAllElements(context, 0x4F000000); // 2.14748365E9f (2147483648)
|
||
|
|
|
||
|
|
Operand mask2 = context.AddIntrinsic(Intrinsic.X86Cmpps, nRnd, mask, Const(cmpGreaterThanOrEqual));
|
||
|
|
|
||
|
|
Operand res = context.AddIntrinsic(Intrinsic.X86Pxor, nInt, mask2);
|
||
|
|
|
||
|
|
if (scalar)
|
||
|
|
{
|
||
|
|
res = context.VectorZeroUpper96(res);
|
||
|
|
}
|
||
|
|
else if (op.RegisterSize == RegisterSize.Simd64)
|
||
|
|
{
|
||
|
|
res = context.VectorZeroUpper64(res);
|
||
|
|
}
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), res);
|
||
|
|
}
|
||
|
|
else /* if (sizeF == 1) */
|
||
|
|
{
|
||
|
|
Operand nMask = context.AddIntrinsic(Intrinsic.X86Cmppd, n, n, Const(cmpOrdered));
|
||
|
|
|
||
|
|
Operand nScaled = context.AddIntrinsic(Intrinsic.X86Pand, nMask, n);
|
||
|
|
|
||
|
|
if (op is OpCodeSimdShImm fixedOp)
|
||
|
|
{
|
||
|
|
int fBits = GetImmShr(fixedOp);
|
||
|
|
|
||
|
|
// BitConverter.Int64BitsToDouble(fpScaled) == Math.Pow(2d, fBits)
|
||
|
|
long fpScaled = 0x3FF0000000000000L + fBits * 0x10000000000000L;
|
||
|
|
|
||
|
|
Operand scale = X86GetAllElements(context, fpScaled);
|
||
|
|
|
||
|
|
nScaled = context.AddIntrinsic(Intrinsic.X86Mulpd, nScaled, scale);
|
||
|
|
}
|
||
|
|
|
||
|
|
Operand nRnd = context.AddIntrinsic(Intrinsic.X86Roundpd, nScaled, Const(X86GetRoundControl(roundMode)));
|
||
|
|
|
||
|
|
Operand high;
|
||
|
|
|
||
|
|
if (!scalar)
|
||
|
|
{
|
||
|
|
high = context.AddIntrinsic(Intrinsic.X86Unpckhpd, nRnd, nRnd);
|
||
|
|
high = context.AddIntrinsicLong(Intrinsic.X86Cvtsd2si, high);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
high = Const(0L);
|
||
|
|
}
|
||
|
|
|
||
|
|
Operand low = context.AddIntrinsicLong(Intrinsic.X86Cvtsd2si, nRnd);
|
||
|
|
|
||
|
|
Operand nInt = EmitVectorLongCreate(context, low, high);
|
||
|
|
|
||
|
|
Operand mask = X86GetAllElements(context, 0x43E0000000000000L); // 9.2233720368547760E18d (9223372036854775808)
|
||
|
|
|
||
|
|
Operand mask2 = context.AddIntrinsic(Intrinsic.X86Cmppd, nRnd, mask, Const(cmpGreaterThanOrEqual));
|
||
|
|
|
||
|
|
Operand res = context.AddIntrinsic(Intrinsic.X86Pxor, nInt, mask2);
|
||
|
|
|
||
|
|
if (scalar)
|
||
|
|
{
|
||
|
|
res = context.VectorZeroUpper64(res);
|
||
|
|
}
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), res);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static void EmitSse41Fcvtu(ArmEmitterContext context, FPRoundingMode roundMode, bool scalar)
|
||
|
|
{
|
||
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
||
|
|
|
||
|
|
Operand n = GetVec(op.Rn);
|
||
|
|
|
||
|
|
const int cmpGreaterThanOrEqual = 5;
|
||
|
|
const int cmpGreaterThan = 6;
|
||
|
|
const int cmpOrdered = 7;
|
||
|
|
|
||
|
|
// sizeF == ((OpCodeSimdShImm)op).Size - 2
|
||
|
|
int sizeF = op.Size & 1;
|
||
|
|
|
||
|
|
if (sizeF == 0)
|
||
|
|
{
|
||
|
|
Operand nMask = context.AddIntrinsic(Intrinsic.X86Cmpps, n, n, Const(cmpOrdered));
|
||
|
|
|
||
|
|
Operand nScaled = context.AddIntrinsic(Intrinsic.X86Pand, nMask, n);
|
||
|
|
|
||
|
|
if (op is OpCodeSimdShImm fixedOp)
|
||
|
|
{
|
||
|
|
int fBits = GetImmShr(fixedOp);
|
||
|
|
|
||
|
|
// BitConverter.Int32BitsToSingle(fpScaled) == MathF.Pow(2f, fBits)
|
||
|
|
int fpScaled = 0x3F800000 + fBits * 0x800000;
|
||
|
|
|
||
|
|
Operand scale = X86GetAllElements(context, fpScaled);
|
||
|
|
|
||
|
|
nScaled = context.AddIntrinsic(Intrinsic.X86Mulps, nScaled, scale);
|
||
|
|
}
|
||
|
|
|
||
|
|
Operand nRnd = context.AddIntrinsic(Intrinsic.X86Roundps, nScaled, Const(X86GetRoundControl(roundMode)));
|
||
|
|
|
||
|
|
Operand nRndMask = context.AddIntrinsic(Intrinsic.X86Cmpps, nRnd, context.VectorZero(), Const(cmpGreaterThan));
|
||
|
|
|
||
|
|
Operand nRndMasked = context.AddIntrinsic(Intrinsic.X86Pand, nRnd, nRndMask);
|
||
|
|
|
||
|
|
Operand nInt = context.AddIntrinsic(Intrinsic.X86Cvtps2dq, nRndMasked);
|
||
|
|
|
||
|
|
Operand mask = X86GetAllElements(context, 0x4F000000); // 2.14748365E9f (2147483648)
|
||
|
|
|
||
|
|
Operand res = context.AddIntrinsic(Intrinsic.X86Subps, nRndMasked, mask);
|
||
|
|
|
||
|
|
Operand mask2 = context.AddIntrinsic(Intrinsic.X86Cmpps, res, context.VectorZero(), Const(cmpGreaterThan));
|
||
|
|
|
||
|
|
Operand resMasked = context.AddIntrinsic(Intrinsic.X86Pand, res, mask2);
|
||
|
|
|
||
|
|
res = context.AddIntrinsic(Intrinsic.X86Cvtps2dq, resMasked);
|
||
|
|
|
||
|
|
Operand mask3 = context.AddIntrinsic(Intrinsic.X86Cmpps, resMasked, mask, Const(cmpGreaterThanOrEqual));
|
||
|
|
|
||
|
|
res = context.AddIntrinsic(Intrinsic.X86Pxor, res, mask3);
|
||
|
|
res = context.AddIntrinsic(Intrinsic.X86Paddd, res, nInt);
|
||
|
|
|
||
|
|
if (scalar)
|
||
|
|
{
|
||
|
|
res = context.VectorZeroUpper96(res);
|
||
|
|
}
|
||
|
|
else if (op.RegisterSize == RegisterSize.Simd64)
|
||
|
|
{
|
||
|
|
res = context.VectorZeroUpper64(res);
|
||
|
|
}
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), res);
|
||
|
|
}
|
||
|
|
else /* if (sizeF == 1) */
|
||
|
|
{
|
||
|
|
Operand nMask = context.AddIntrinsic(Intrinsic.X86Cmppd, n, n, Const(cmpOrdered));
|
||
|
|
|
||
|
|
Operand nScaled = context.AddIntrinsic(Intrinsic.X86Pand, nMask, n);
|
||
|
|
|
||
|
|
if (op is OpCodeSimdShImm fixedOp)
|
||
|
|
{
|
||
|
|
int fBits = GetImmShr(fixedOp);
|
||
|
|
|
||
|
|
// BitConverter.Int64BitsToDouble(fpScaled) == Math.Pow(2d, fBits)
|
||
|
|
long fpScaled = 0x3FF0000000000000L + fBits * 0x10000000000000L;
|
||
|
|
|
||
|
|
Operand scale = X86GetAllElements(context, fpScaled);
|
||
|
|
|
||
|
|
nScaled = context.AddIntrinsic(Intrinsic.X86Mulpd, nScaled, scale);
|
||
|
|
}
|
||
|
|
|
||
|
|
Operand nRnd = context.AddIntrinsic(Intrinsic.X86Roundpd, nScaled, Const(X86GetRoundControl(roundMode)));
|
||
|
|
|
||
|
|
Operand nRndMask = context.AddIntrinsic(Intrinsic.X86Cmppd, nRnd, context.VectorZero(), Const(cmpGreaterThan));
|
||
|
|
|
||
|
|
Operand nRndMasked = context.AddIntrinsic(Intrinsic.X86Pand, nRnd, nRndMask);
|
||
|
|
|
||
|
|
Operand high;
|
||
|
|
|
||
|
|
if (!scalar)
|
||
|
|
{
|
||
|
|
high = context.AddIntrinsic(Intrinsic.X86Unpckhpd, nRndMasked, nRndMasked);
|
||
|
|
high = context.AddIntrinsicLong(Intrinsic.X86Cvtsd2si, high);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
high = Const(0L);
|
||
|
|
}
|
||
|
|
|
||
|
|
Operand low = context.AddIntrinsicLong(Intrinsic.X86Cvtsd2si, nRndMasked);
|
||
|
|
|
||
|
|
Operand nInt = EmitVectorLongCreate(context, low, high);
|
||
|
|
|
||
|
|
Operand mask = X86GetAllElements(context, 0x43E0000000000000L); // 9.2233720368547760E18d (9223372036854775808)
|
||
|
|
|
||
|
|
Operand res = context.AddIntrinsic(Intrinsic.X86Subpd, nRndMasked, mask);
|
||
|
|
|
||
|
|
Operand mask2 = context.AddIntrinsic(Intrinsic.X86Cmppd, res, context.VectorZero(), Const(cmpGreaterThan));
|
||
|
|
|
||
|
|
Operand resMasked = context.AddIntrinsic(Intrinsic.X86Pand, res, mask2);
|
||
|
|
|
||
|
|
if (!scalar)
|
||
|
|
{
|
||
|
|
high = context.AddIntrinsic(Intrinsic.X86Unpckhpd, resMasked, resMasked);
|
||
|
|
high = context.AddIntrinsicLong(Intrinsic.X86Cvtsd2si, high);
|
||
|
|
}
|
||
|
|
|
||
|
|
low = context.AddIntrinsicLong(Intrinsic.X86Cvtsd2si, resMasked);
|
||
|
|
|
||
|
|
res = EmitVectorLongCreate(context, low, high);
|
||
|
|
|
||
|
|
Operand mask3 = context.AddIntrinsic(Intrinsic.X86Cmppd, resMasked, mask, Const(cmpGreaterThanOrEqual));
|
||
|
|
|
||
|
|
res = context.AddIntrinsic(Intrinsic.X86Pxor, res, mask3);
|
||
|
|
res = context.AddIntrinsic(Intrinsic.X86Paddq, res, nInt);
|
||
|
|
|
||
|
|
if (scalar)
|
||
|
|
{
|
||
|
|
res = context.VectorZeroUpper64(res);
|
||
|
|
}
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), res);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static void EmitSse2Scvtf(ArmEmitterContext context, bool scalar)
|
||
|
|
{
|
||
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
||
|
|
|
||
|
|
Operand n = GetVec(op.Rn);
|
||
|
|
|
||
|
|
Operand res = context.AddIntrinsic(Intrinsic.X86Cvtdq2ps, n);
|
||
|
|
|
||
|
|
if (op is OpCodeSimdShImm fixedOp)
|
||
|
|
{
|
||
|
|
int fBits = GetImmShr(fixedOp);
|
||
|
|
|
||
|
|
// BitConverter.Int32BitsToSingle(fpScaled) == 1f / MathF.Pow(2f, fBits)
|
||
|
|
int fpScaled = 0x3F800000 - fBits * 0x800000;
|
||
|
|
|
||
|
|
Operand scale = X86GetAllElements(context, fpScaled);
|
||
|
|
|
||
|
|
res = context.AddIntrinsic(Intrinsic.X86Mulps, res, scale);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (scalar)
|
||
|
|
{
|
||
|
|
res = context.VectorZeroUpper96(res);
|
||
|
|
}
|
||
|
|
else if (op.RegisterSize == RegisterSize.Simd64)
|
||
|
|
{
|
||
|
|
res = context.VectorZeroUpper64(res);
|
||
|
|
}
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), res);
|
||
|
|
}
|
||
|
|
|
||
|
|
private static void EmitSse2Ucvtf(ArmEmitterContext context, bool scalar)
|
||
|
|
{
|
||
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
||
|
|
|
||
|
|
Operand n = GetVec(op.Rn);
|
||
|
|
|
||
|
|
Operand res = context.AddIntrinsic(Intrinsic.X86Psrld, n, Const(16));
|
||
|
|
|
||
|
|
res = context.AddIntrinsic(Intrinsic.X86Cvtdq2ps, res);
|
||
|
|
|
||
|
|
Operand mask = X86GetAllElements(context, 0x47800000); // 65536.0f (1 << 16)
|
||
|
|
|
||
|
|
res = context.AddIntrinsic(Intrinsic.X86Mulps, res, mask);
|
||
|
|
|
||
|
|
Operand res2 = context.AddIntrinsic(Intrinsic.X86Pslld, n, Const(16));
|
||
|
|
|
||
|
|
res2 = context.AddIntrinsic(Intrinsic.X86Psrld, res2, Const(16));
|
||
|
|
res2 = context.AddIntrinsic(Intrinsic.X86Cvtdq2ps, res2);
|
||
|
|
|
||
|
|
res = context.AddIntrinsic(Intrinsic.X86Addps, res, res2);
|
||
|
|
|
||
|
|
if (op is OpCodeSimdShImm fixedOp)
|
||
|
|
{
|
||
|
|
int fBits = GetImmShr(fixedOp);
|
||
|
|
|
||
|
|
// BitConverter.Int32BitsToSingle(fpScaled) == 1f / MathF.Pow(2f, fBits)
|
||
|
|
int fpScaled = 0x3F800000 - fBits * 0x800000;
|
||
|
|
|
||
|
|
Operand scale = X86GetAllElements(context, fpScaled);
|
||
|
|
|
||
|
|
res = context.AddIntrinsic(Intrinsic.X86Mulps, res, scale);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (scalar)
|
||
|
|
{
|
||
|
|
res = context.VectorZeroUpper96(res);
|
||
|
|
}
|
||
|
|
else if (op.RegisterSize == RegisterSize.Simd64)
|
||
|
|
{
|
||
|
|
res = context.VectorZeroUpper64(res);
|
||
|
|
}
|
||
|
|
|
||
|
|
context.Copy(GetVec(op.Rd), res);
|
||
|
|
}
|
||
|
|
|
||
|
|
private static Operand EmitVectorLongExtract(ArmEmitterContext context, int reg, int index, int size)
|
||
|
|
{
|
||
|
|
OperandType type = size == 3 ? OperandType.I64 : OperandType.I32;
|
||
|
|
|
||
|
|
return context.VectorExtract(type, GetVec(reg), index);
|
||
|
|
}
|
||
|
|
|
||
|
|
private static Operand EmitVectorLongCreate(ArmEmitterContext context, Operand low, Operand high)
|
||
|
|
{
|
||
|
|
Operand vector = context.VectorCreateScalar(low);
|
||
|
|
|
||
|
|
vector = context.VectorInsert(vector, high, 1);
|
||
|
|
|
||
|
|
return vector;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|