0679084f11
* net5.0
* CPU (A64): Add FP16/FP32 fast paths (F16C Intrinsics) for Fcvt_S, Fcvtl_V & Fcvtn_V Instructions. Switch to .NET 5.0.
Nits.
Tests performed successfully in both debug and release mode (for all instructions involved).
* Address comment.
* Update appveyor.yml
* Revert "Update appveyor.yml"
This reverts commit 27cdd59e8b.
* Remove Assembler CpuId.
* Update appveyor.yml
* Address comment.
1546 lines
56 KiB
C#
1546 lines
56 KiB
C#
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 System.Reflection;
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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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if (Optimizations.UseF16c)
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{
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Debug.Assert(!Optimizations.ForceLegacySse);
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Operand n = GetVec(op.Rn);
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Operand res = context.AddIntrinsic(Intrinsic.X86Vcvtps2ph, n, Const(X86GetRoundControl(FPRoundingMode.ToNearest)));
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res = context.AddIntrinsic(Intrinsic.X86Pslldq, res, Const(14)); // VectorZeroUpper112()
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res = context.AddIntrinsic(Intrinsic.X86Psrldq, res, Const(14));
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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.Call(typeof(SoftFloat32_16).GetMethod(nameof(SoftFloat32_16.FPConvert)), 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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}
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else if (op.Size == 3 && op.Opc == 0) // Half -> Single.
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{
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if (Optimizations.UseF16c)
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{
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Debug.Assert(!Optimizations.ForceLegacySse);
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Operand res = context.AddIntrinsic(Intrinsic.X86Vcvtph2ps, GetVec(op.Rn));
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res = context.VectorZeroUpper96(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 ne = EmitVectorExtractZx(context, op.Rn, 0, 1);
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Operand res = context.Call(typeof(SoftFloat16_32).GetMethod(nameof(SoftFloat16_32.FPConvert)), 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 == 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 Fcvtas_S(ArmEmitterContext context)
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{
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EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.AwayFromZero, op1), signed: true, scalar: true);
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}
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public static void Fcvtas_V(ArmEmitterContext context)
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{
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EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.AwayFromZero, op1), signed: true, scalar: false);
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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 Fcvtau_S(ArmEmitterContext context)
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{
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EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.AwayFromZero, op1), signed: false, scalar: true);
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}
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public static void Fcvtau_V(ArmEmitterContext context)
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{
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EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.AwayFromZero, op1), signed: false, scalar: false);
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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 = op.RegisterSize == RegisterSize.Simd128 ? context.AddIntrinsic(Intrinsic.X86Movhlps, n, n) : n;
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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 if (Optimizations.UseF16c && sizeF == 0)
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{
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Debug.Assert(!Optimizations.ForceLegacySse);
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Operand n = GetVec(op.Rn);
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Operand res = op.RegisterSize == RegisterSize.Simd128 ? context.AddIntrinsic(Intrinsic.X86Movhlps, n, n) : n;
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res = context.AddIntrinsic(Intrinsic.X86Vcvtph2ps, 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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Operand e = context.Call(typeof(SoftFloat16_32).GetMethod(nameof(SoftFloat16_32.FPConvert)), 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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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvts_Gp(context, FPRoundingMode.TowardsMinusInfinity, isFixed: false);
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}
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else
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{
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EmitFcvt_s_Gp(context, (op1) => EmitUnaryMathCall(context, nameof(Math.Floor), op1));
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}
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}
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public static void Fcvtmu_Gp(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvtu_Gp(context, FPRoundingMode.TowardsMinusInfinity, isFixed: false);
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}
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else
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{
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EmitFcvt_u_Gp(context, (op1) => EmitUnaryMathCall(context, nameof(Math.Floor), op1));
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}
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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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Intrinsic movInst = op.RegisterSize == RegisterSize.Simd128 ? Intrinsic.X86Movlhps : Intrinsic.X86Movhlps;
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Operand nInt = context.AddIntrinsic(Intrinsic.X86Cvtpd2ps, GetVec(op.Rn));
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nInt = context.AddIntrinsic(Intrinsic.X86Movlhps, nInt, nInt);
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Operand res = context.VectorZeroUpper64(d);
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res = context.AddIntrinsic(movInst, res, nInt);
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context.Copy(d, res);
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}
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else if (Optimizations.UseF16c && sizeF == 0)
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{
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Debug.Assert(!Optimizations.ForceLegacySse);
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Operand d = GetVec(op.Rd);
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Operand n = GetVec(op.Rn);
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Intrinsic movInst = op.RegisterSize == RegisterSize.Simd128 ? Intrinsic.X86Movlhps : Intrinsic.X86Movhlps;
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Operand nInt = context.AddIntrinsic(Intrinsic.X86Vcvtps2ph, n, Const(X86GetRoundControl(FPRoundingMode.ToNearest)));
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nInt = context.AddIntrinsic(Intrinsic.X86Movlhps, nInt, nInt);
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Operand res = context.VectorZeroUpper64(d);
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res = context.AddIntrinsic(movInst, res, nInt);
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context.Copy(d, 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 d = GetVec(op.Rd);
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Operand res = part == 0 ? context.VectorZero() : context.Copy(d);
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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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Operand e = context.Call(typeof(SoftFloat32_16).GetMethod(nameof(SoftFloat32_16.FPConvert)), 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(d, 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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EmitSse41FcvtsOpF(context, FPRoundingMode.ToNearest, scalar: true);
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}
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else
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{
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EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.ToEven, op1), 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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EmitSse41FcvtsOpF(context, FPRoundingMode.ToNearest, scalar: false);
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}
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else
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{
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EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.ToEven, op1), 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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EmitSse41FcvtuOpF(context, FPRoundingMode.ToNearest, scalar: true);
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}
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else
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{
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EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.ToEven, op1), 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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EmitSse41FcvtuOpF(context, FPRoundingMode.ToNearest, scalar: false);
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}
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else
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{
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EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.ToEven, op1), 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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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvts_Gp(context, FPRoundingMode.TowardsPlusInfinity, isFixed: false);
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}
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else
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{
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EmitFcvt_s_Gp(context, (op1) => EmitUnaryMathCall(context, nameof(Math.Ceiling), op1));
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}
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}
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public static void Fcvtpu_Gp(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvtu_Gp(context, FPRoundingMode.TowardsPlusInfinity, isFixed: false);
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}
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else
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{
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EmitFcvt_u_Gp(context, (op1) => EmitUnaryMathCall(context, nameof(Math.Ceiling), op1));
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}
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}
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public static void Fcvtzs_Gp(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvts_Gp(context, FPRoundingMode.TowardsZero, isFixed: false);
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}
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else
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{
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EmitFcvt_s_Gp(context, (op1) => op1);
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}
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}
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public static void Fcvtzs_Gp_Fixed(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvts_Gp(context, FPRoundingMode.TowardsZero, isFixed: true);
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}
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else
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{
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EmitFcvtzs_Gp_Fixed(context);
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}
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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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EmitSse41FcvtsOpF(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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EmitSse41FcvtsOpF(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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EmitSse41FcvtsOpF(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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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvtu_Gp(context, FPRoundingMode.TowardsZero, isFixed: false);
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}
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else
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{
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EmitFcvt_u_Gp(context, (op1) => op1);
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}
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}
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public static void Fcvtzu_Gp_Fixed(ArmEmitterContext context)
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{
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if (Optimizations.UseSse41)
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{
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EmitSse41Fcvtu_Gp(context, FPRoundingMode.TowardsZero, isFixed: true);
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}
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else
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{
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EmitFcvtzu_Gp_Fixed(context);
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}
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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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EmitSse41FcvtuOpF(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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EmitSse41FcvtuOpF(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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EmitSse41FcvtuOpF(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 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)
|
|
{
|
|
if (Optimizations.UseSse2)
|
|
{
|
|
EmitSse2ScvtfOp(context, scalar: true);
|
|
}
|
|
else
|
|
{
|
|
EmitCvtf(context, signed: true, scalar: true);
|
|
}
|
|
}
|
|
|
|
public static void Scvtf_S_Fixed(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.UseSse2)
|
|
{
|
|
EmitSse2ScvtfOp(context, scalar: true);
|
|
}
|
|
else
|
|
{
|
|
EmitCvtf(context, signed: true, scalar: true);
|
|
}
|
|
}
|
|
|
|
public static void Scvtf_V(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.UseSse2)
|
|
{
|
|
EmitSse2ScvtfOp(context, scalar: false);
|
|
}
|
|
else
|
|
{
|
|
EmitCvtf(context, signed: true, scalar: false);
|
|
}
|
|
}
|
|
|
|
public static void Scvtf_V_Fixed(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.UseSse2)
|
|
{
|
|
EmitSse2ScvtfOp(context, scalar: false);
|
|
}
|
|
else
|
|
{
|
|
EmitCvtf(context, signed: true, scalar: false);
|
|
}
|
|
}
|
|
|
|
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)
|
|
{
|
|
if (Optimizations.UseSse2)
|
|
{
|
|
EmitSse2UcvtfOp(context, scalar: true);
|
|
}
|
|
else
|
|
{
|
|
EmitCvtf(context, signed: false, scalar: true);
|
|
}
|
|
}
|
|
|
|
public static void Ucvtf_S_Fixed(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.UseSse2)
|
|
{
|
|
EmitSse2UcvtfOp(context, scalar: true);
|
|
}
|
|
else
|
|
{
|
|
EmitCvtf(context, signed: false, scalar: true);
|
|
}
|
|
}
|
|
|
|
public static void Ucvtf_V(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.UseSse2)
|
|
{
|
|
EmitSse2UcvtfOp(context, scalar: false);
|
|
}
|
|
else
|
|
{
|
|
EmitCvtf(context, signed: false, scalar: false);
|
|
}
|
|
}
|
|
|
|
public static void Ucvtf_V_Fixed(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.UseSse2)
|
|
{
|
|
EmitSse2UcvtfOp(context, scalar: false);
|
|
}
|
|
else
|
|
{
|
|
EmitCvtf(context, signed: false, scalar: false);
|
|
}
|
|
}
|
|
|
|
private static void EmitFcvt(ArmEmitterContext context, Func1I emit, 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 = emit(ne);
|
|
|
|
if (sizeF == 0)
|
|
{
|
|
MethodInfo info = signed
|
|
? typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF32ToS32))
|
|
: typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF32ToU32));
|
|
|
|
e = context.Call(info, e);
|
|
|
|
e = context.ZeroExtend32(OperandType.I64, e);
|
|
}
|
|
else /* if (sizeF == 1) */
|
|
{
|
|
MethodInfo info = signed
|
|
? typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF64ToS64))
|
|
: typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF64ToU64));
|
|
|
|
e = context.Call(info, 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)
|
|
{
|
|
MethodInfo info = signed
|
|
? typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF32ToS32))
|
|
: typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF32ToU32));
|
|
|
|
e = context.Call(info, e);
|
|
|
|
e = context.ZeroExtend32(OperandType.I64, e);
|
|
}
|
|
else /* if (sizeF == 1) */
|
|
{
|
|
MethodInfo info = signed
|
|
? typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF64ToS64))
|
|
: typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF64ToU64));
|
|
|
|
e = context.Call(info, 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 EmitCvtf(ArmEmitterContext context, bool signed, bool scalar)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int sizeF = op.Size & 1;
|
|
int sizeI = sizeF + 2;
|
|
|
|
int fBits = GetFBits(context);
|
|
|
|
int elems = !scalar ? op.GetBytesCount() >> sizeI : 1;
|
|
|
|
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);
|
|
|
|
MethodInfo info;
|
|
|
|
if (context.CurrOp.RegisterSize == RegisterSize.Int32)
|
|
{
|
|
info = value.Type == OperandType.FP32
|
|
? typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF32ToS32))
|
|
: typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF64ToS32));
|
|
}
|
|
else
|
|
{
|
|
info = value.Type == OperandType.FP32
|
|
? typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF32ToS64))
|
|
: typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF64ToS64));
|
|
}
|
|
|
|
return context.Call(info, 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);
|
|
|
|
MethodInfo info;
|
|
|
|
if (context.CurrOp.RegisterSize == RegisterSize.Int32)
|
|
{
|
|
info = value.Type == OperandType.FP32
|
|
? typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF32ToU32))
|
|
: typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF64ToU32));
|
|
}
|
|
else
|
|
{
|
|
info = value.Type == OperandType.FP32
|
|
? typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF32ToU64))
|
|
: typeof(SoftFallback).GetMethod(nameof(SoftFallback.SatF64ToU64));
|
|
}
|
|
|
|
return context.Call(info, 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)));
|
|
}
|
|
}
|
|
|
|
public static Operand EmitSse2CvtDoubleToInt64OpF(ArmEmitterContext context, Operand opF, bool scalar)
|
|
{
|
|
Debug.Assert(opF.Type == OperandType.V128);
|
|
|
|
Operand longL = context.AddIntrinsicLong (Intrinsic.X86Cvtsd2si, opF); // opFL
|
|
Operand res = context.VectorCreateScalar(longL);
|
|
|
|
if (!scalar)
|
|
{
|
|
Operand opFH = context.AddIntrinsic (Intrinsic.X86Movhlps, res, opF); // res doesn't matter.
|
|
Operand longH = context.AddIntrinsicLong (Intrinsic.X86Cvtsd2si, opFH);
|
|
Operand resH = context.VectorCreateScalar(longH);
|
|
res = context.AddIntrinsic (Intrinsic.X86Movlhps, res, resH);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
private static Operand EmitSse2CvtInt64ToDoubleOp(ArmEmitterContext context, Operand op, bool scalar)
|
|
{
|
|
Debug.Assert(op.Type == OperandType.V128);
|
|
|
|
Operand longL = context.AddIntrinsicLong(Intrinsic.X86Cvtsi2si, op); // opL
|
|
Operand res = context.AddIntrinsic (Intrinsic.X86Cvtsi2sd, context.VectorZero(), longL);
|
|
|
|
if (!scalar)
|
|
{
|
|
Operand opH = context.AddIntrinsic (Intrinsic.X86Movhlps, res, op); // res doesn't matter.
|
|
Operand longH = context.AddIntrinsicLong(Intrinsic.X86Cvtsi2si, opH);
|
|
Operand resH = context.AddIntrinsic (Intrinsic.X86Cvtsi2sd, res, longH); // res doesn't matter.
|
|
res = context.AddIntrinsic (Intrinsic.X86Movlhps, res, resH);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
private static void EmitSse2ScvtfOp(ArmEmitterContext context, bool scalar)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
Operand n = GetVec(op.Rn);
|
|
|
|
// sizeF == ((OpCodeSimdShImm)op).Size - 2
|
|
int sizeF = op.Size & 1;
|
|
|
|
if (sizeF == 0)
|
|
{
|
|
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 fpScaledMask = scalar
|
|
? X86GetScalar (context, fpScaled)
|
|
: X86GetAllElements(context, fpScaled);
|
|
|
|
res = context.AddIntrinsic(Intrinsic.X86Mulps, res, fpScaledMask);
|
|
}
|
|
|
|
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 res = EmitSse2CvtInt64ToDoubleOp(context, n, scalar);
|
|
|
|
if (op is OpCodeSimdShImm fixedOp)
|
|
{
|
|
int fBits = GetImmShr(fixedOp);
|
|
|
|
// BitConverter.Int64BitsToDouble(fpScaled) == 1d / Math.Pow(2d, fBits)
|
|
long fpScaled = 0x3FF0000000000000L - fBits * 0x10000000000000L;
|
|
|
|
Operand fpScaledMask = scalar
|
|
? X86GetScalar (context, fpScaled)
|
|
: X86GetAllElements(context, fpScaled);
|
|
|
|
res = context.AddIntrinsic(Intrinsic.X86Mulpd, res, fpScaledMask);
|
|
}
|
|
|
|
if (scalar)
|
|
{
|
|
res = context.VectorZeroUpper64(res);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
}
|
|
|
|
private static void EmitSse2UcvtfOp(ArmEmitterContext context, bool scalar)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
Operand n = GetVec(op.Rn);
|
|
|
|
// sizeF == ((OpCodeSimdShImm)op).Size - 2
|
|
int sizeF = op.Size & 1;
|
|
|
|
if (sizeF == 0)
|
|
{
|
|
Operand mask = scalar // 65536.000f (1 << 16)
|
|
? X86GetScalar (context, 0x47800000)
|
|
: X86GetAllElements(context, 0x47800000);
|
|
|
|
Operand res = context.AddIntrinsic(Intrinsic.X86Psrld, n, Const(16));
|
|
res = context.AddIntrinsic(Intrinsic.X86Cvtdq2ps, res);
|
|
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 fpScaledMask = scalar
|
|
? X86GetScalar (context, fpScaled)
|
|
: X86GetAllElements(context, fpScaled);
|
|
|
|
res = context.AddIntrinsic(Intrinsic.X86Mulps, res, fpScaledMask);
|
|
}
|
|
|
|
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 mask = scalar // 4294967296.0000000d (1L << 32)
|
|
? X86GetScalar (context, 0x41F0000000000000L)
|
|
: X86GetAllElements(context, 0x41F0000000000000L);
|
|
|
|
Operand res = context.AddIntrinsic (Intrinsic.X86Psrlq, n, Const(32));
|
|
res = EmitSse2CvtInt64ToDoubleOp(context, res, scalar);
|
|
res = context.AddIntrinsic (Intrinsic.X86Mulpd, res, mask);
|
|
|
|
Operand res2 = context.AddIntrinsic (Intrinsic.X86Psllq, n, Const(32));
|
|
res2 = context.AddIntrinsic (Intrinsic.X86Psrlq, res2, Const(32));
|
|
res2 = EmitSse2CvtInt64ToDoubleOp(context, res2, scalar);
|
|
|
|
res = context.AddIntrinsic(Intrinsic.X86Addpd, res, res2);
|
|
|
|
if (op is OpCodeSimdShImm fixedOp)
|
|
{
|
|
int fBits = GetImmShr(fixedOp);
|
|
|
|
// BitConverter.Int64BitsToDouble(fpScaled) == 1d / Math.Pow(2d, fBits)
|
|
long fpScaled = 0x3FF0000000000000L - fBits * 0x10000000000000L;
|
|
|
|
Operand fpScaledMask = scalar
|
|
? X86GetScalar (context, fpScaled)
|
|
: X86GetAllElements(context, fpScaled);
|
|
|
|
res = context.AddIntrinsic(Intrinsic.X86Mulpd, res, fpScaledMask);
|
|
}
|
|
|
|
if (scalar)
|
|
{
|
|
res = context.VectorZeroUpper64(res);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
}
|
|
|
|
private static void EmitSse41FcvtsOpF(ArmEmitterContext context, FPRoundingMode roundMode, bool scalar)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
Operand n = GetVec(op.Rn);
|
|
|
|
// sizeF == ((OpCodeSimdShImm)op).Size - 2
|
|
int sizeF = op.Size & 1;
|
|
|
|
if (sizeF == 0)
|
|
{
|
|
Operand nRes = context.AddIntrinsic(Intrinsic.X86Cmpps, n, n, Const((int)CmpCondition.OrderedQ));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, n);
|
|
|
|
if (op is OpCodeSimdShImm fixedOp)
|
|
{
|
|
int fBits = GetImmShr(fixedOp);
|
|
|
|
// BitConverter.Int32BitsToSingle(fpScaled) == MathF.Pow(2f, fBits)
|
|
int fpScaled = 0x3F800000 + fBits * 0x800000;
|
|
|
|
Operand fpScaledMask = scalar
|
|
? X86GetScalar (context, fpScaled)
|
|
: X86GetAllElements(context, fpScaled);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Mulps, nRes, fpScaledMask);
|
|
}
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Roundps, nRes, Const(X86GetRoundControl(roundMode)));
|
|
|
|
Operand nInt = context.AddIntrinsic(Intrinsic.X86Cvtps2dq, nRes);
|
|
|
|
Operand fpMaxValMask = scalar // 2.14748365E9f (2147483648)
|
|
? X86GetScalar (context, 0x4F000000)
|
|
: X86GetAllElements(context, 0x4F000000);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Cmpps, nRes, fpMaxValMask, Const((int)CmpCondition.NotLessThan));
|
|
|
|
Operand dRes = context.AddIntrinsic(Intrinsic.X86Pxor, nInt, nRes);
|
|
|
|
if (scalar)
|
|
{
|
|
dRes = context.VectorZeroUpper96(dRes);
|
|
}
|
|
else if (op.RegisterSize == RegisterSize.Simd64)
|
|
{
|
|
dRes = context.VectorZeroUpper64(dRes);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), dRes);
|
|
}
|
|
else /* if (sizeF == 1) */
|
|
{
|
|
Operand nRes = context.AddIntrinsic(Intrinsic.X86Cmppd, n, n, Const((int)CmpCondition.OrderedQ));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, n);
|
|
|
|
if (op is OpCodeSimdShImm fixedOp)
|
|
{
|
|
int fBits = GetImmShr(fixedOp);
|
|
|
|
// BitConverter.Int64BitsToDouble(fpScaled) == Math.Pow(2d, fBits)
|
|
long fpScaled = 0x3FF0000000000000L + fBits * 0x10000000000000L;
|
|
|
|
Operand fpScaledMask = scalar
|
|
? X86GetScalar (context, fpScaled)
|
|
: X86GetAllElements(context, fpScaled);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Mulpd, nRes, fpScaledMask);
|
|
}
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Roundpd, nRes, Const(X86GetRoundControl(roundMode)));
|
|
|
|
Operand nLong = EmitSse2CvtDoubleToInt64OpF(context, nRes, scalar);
|
|
|
|
Operand fpMaxValMask = scalar // 9.2233720368547760E18d (9223372036854775808)
|
|
? X86GetScalar (context, 0x43E0000000000000L)
|
|
: X86GetAllElements(context, 0x43E0000000000000L);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Cmppd, nRes, fpMaxValMask, Const((int)CmpCondition.NotLessThan));
|
|
|
|
Operand dRes = context.AddIntrinsic(Intrinsic.X86Pxor, nLong, nRes);
|
|
|
|
if (scalar)
|
|
{
|
|
dRes = context.VectorZeroUpper64(dRes);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), dRes);
|
|
}
|
|
}
|
|
|
|
private static void EmitSse41FcvtuOpF(ArmEmitterContext context, FPRoundingMode roundMode, bool scalar)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
Operand n = GetVec(op.Rn);
|
|
|
|
// sizeF == ((OpCodeSimdShImm)op).Size - 2
|
|
int sizeF = op.Size & 1;
|
|
|
|
if (sizeF == 0)
|
|
{
|
|
Operand nRes = context.AddIntrinsic(Intrinsic.X86Cmpps, n, n, Const((int)CmpCondition.OrderedQ));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, n);
|
|
|
|
if (op is OpCodeSimdShImm fixedOp)
|
|
{
|
|
int fBits = GetImmShr(fixedOp);
|
|
|
|
// BitConverter.Int32BitsToSingle(fpScaled) == MathF.Pow(2f, fBits)
|
|
int fpScaled = 0x3F800000 + fBits * 0x800000;
|
|
|
|
Operand fpScaledMask = scalar
|
|
? X86GetScalar (context, fpScaled)
|
|
: X86GetAllElements(context, fpScaled);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Mulps, nRes, fpScaledMask);
|
|
}
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Roundps, nRes, Const(X86GetRoundControl(roundMode)));
|
|
|
|
Operand zero = context.VectorZero();
|
|
|
|
Operand nCmp = context.AddIntrinsic(Intrinsic.X86Cmpps, nRes, zero, Const((int)CmpCondition.NotLessThanOrEqual));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, nCmp);
|
|
|
|
Operand fpMaxValMask = scalar // 2.14748365E9f (2147483648)
|
|
? X86GetScalar (context, 0x4F000000)
|
|
: X86GetAllElements(context, 0x4F000000);
|
|
|
|
Operand nInt = context.AddIntrinsic(Intrinsic.X86Cvtps2dq, nRes);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Subps, nRes, fpMaxValMask);
|
|
|
|
nCmp = context.AddIntrinsic(Intrinsic.X86Cmpps, nRes, zero, Const((int)CmpCondition.NotLessThanOrEqual));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, nCmp);
|
|
|
|
Operand nInt2 = context.AddIntrinsic(Intrinsic.X86Cvtps2dq, nRes);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Cmpps, nRes, fpMaxValMask, Const((int)CmpCondition.NotLessThan));
|
|
|
|
Operand dRes = context.AddIntrinsic(Intrinsic.X86Pxor, nInt2, nRes);
|
|
dRes = context.AddIntrinsic(Intrinsic.X86Paddd, dRes, nInt);
|
|
|
|
if (scalar)
|
|
{
|
|
dRes = context.VectorZeroUpper96(dRes);
|
|
}
|
|
else if (op.RegisterSize == RegisterSize.Simd64)
|
|
{
|
|
dRes = context.VectorZeroUpper64(dRes);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), dRes);
|
|
}
|
|
else /* if (sizeF == 1) */
|
|
{
|
|
Operand nRes = context.AddIntrinsic(Intrinsic.X86Cmppd, n, n, Const((int)CmpCondition.OrderedQ));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, n);
|
|
|
|
if (op is OpCodeSimdShImm fixedOp)
|
|
{
|
|
int fBits = GetImmShr(fixedOp);
|
|
|
|
// BitConverter.Int64BitsToDouble(fpScaled) == Math.Pow(2d, fBits)
|
|
long fpScaled = 0x3FF0000000000000L + fBits * 0x10000000000000L;
|
|
|
|
Operand fpScaledMask = scalar
|
|
? X86GetScalar (context, fpScaled)
|
|
: X86GetAllElements(context, fpScaled);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Mulpd, nRes, fpScaledMask);
|
|
}
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Roundpd, nRes, Const(X86GetRoundControl(roundMode)));
|
|
|
|
Operand zero = context.VectorZero();
|
|
|
|
Operand nCmp = context.AddIntrinsic(Intrinsic.X86Cmppd, nRes, zero, Const((int)CmpCondition.NotLessThanOrEqual));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, nCmp);
|
|
|
|
Operand fpMaxValMask = scalar // 9.2233720368547760E18d (9223372036854775808)
|
|
? X86GetScalar (context, 0x43E0000000000000L)
|
|
: X86GetAllElements(context, 0x43E0000000000000L);
|
|
|
|
Operand nLong = EmitSse2CvtDoubleToInt64OpF(context, nRes, scalar);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Subpd, nRes, fpMaxValMask);
|
|
|
|
nCmp = context.AddIntrinsic(Intrinsic.X86Cmppd, nRes, zero, Const((int)CmpCondition.NotLessThanOrEqual));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, nCmp);
|
|
|
|
Operand nLong2 = EmitSse2CvtDoubleToInt64OpF(context, nRes, scalar);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Cmppd, nRes, fpMaxValMask, Const((int)CmpCondition.NotLessThan));
|
|
|
|
Operand dRes = context.AddIntrinsic(Intrinsic.X86Pxor, nLong2, nRes);
|
|
dRes = context.AddIntrinsic(Intrinsic.X86Paddq, dRes, nLong);
|
|
|
|
if (scalar)
|
|
{
|
|
dRes = context.VectorZeroUpper64(dRes);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), dRes);
|
|
}
|
|
}
|
|
|
|
private static void EmitSse41Fcvts_Gp(ArmEmitterContext context, FPRoundingMode roundMode, bool isFixed)
|
|
{
|
|
OpCodeSimdCvt op = (OpCodeSimdCvt)context.CurrOp;
|
|
|
|
Operand n = GetVec(op.Rn);
|
|
|
|
if (op.Size == 0)
|
|
{
|
|
Operand nRes = context.AddIntrinsic(Intrinsic.X86Cmpss, n, n, Const((int)CmpCondition.OrderedQ));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, n);
|
|
|
|
if (isFixed)
|
|
{
|
|
// BitConverter.Int32BitsToSingle(fpScaled) == MathF.Pow(2f, op.FBits)
|
|
int fpScaled = 0x3F800000 + op.FBits * 0x800000;
|
|
|
|
Operand fpScaledMask = X86GetScalar(context, fpScaled);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Mulss, nRes, fpScaledMask);
|
|
}
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Roundss, nRes, Const(X86GetRoundControl(roundMode)));
|
|
|
|
Operand nIntOrLong = op.RegisterSize == RegisterSize.Int32
|
|
? context.AddIntrinsicInt (Intrinsic.X86Cvtss2si, nRes)
|
|
: context.AddIntrinsicLong(Intrinsic.X86Cvtss2si, nRes);
|
|
|
|
int fpMaxVal = op.RegisterSize == RegisterSize.Int32
|
|
? 0x4F000000 // 2.14748365E9f (2147483648)
|
|
: 0x5F000000; // 9.223372E18f (9223372036854775808)
|
|
|
|
Operand fpMaxValMask = X86GetScalar(context, fpMaxVal);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Cmpss, nRes, fpMaxValMask, Const((int)CmpCondition.NotLessThan));
|
|
|
|
Operand nInt = context.AddIntrinsicInt(Intrinsic.X86Cvtsi2si, nRes);
|
|
|
|
if (op.RegisterSize == RegisterSize.Int64)
|
|
{
|
|
nInt = context.SignExtend32(OperandType.I64, nInt);
|
|
}
|
|
|
|
Operand dRes = context.BitwiseExclusiveOr(nIntOrLong, nInt);
|
|
|
|
SetIntOrZR(context, op.Rd, dRes);
|
|
}
|
|
else /* if (op.Size == 1) */
|
|
{
|
|
Operand nRes = context.AddIntrinsic(Intrinsic.X86Cmpsd, n, n, Const((int)CmpCondition.OrderedQ));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, n);
|
|
|
|
if (isFixed)
|
|
{
|
|
// BitConverter.Int64BitsToDouble(fpScaled) == Math.Pow(2d, op.FBits)
|
|
long fpScaled = 0x3FF0000000000000L + op.FBits * 0x10000000000000L;
|
|
|
|
Operand fpScaledMask = X86GetScalar(context, fpScaled);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Mulsd, nRes, fpScaledMask);
|
|
}
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Roundsd, nRes, Const(X86GetRoundControl(roundMode)));
|
|
|
|
Operand nIntOrLong = op.RegisterSize == RegisterSize.Int32
|
|
? context.AddIntrinsicInt (Intrinsic.X86Cvtsd2si, nRes)
|
|
: context.AddIntrinsicLong(Intrinsic.X86Cvtsd2si, nRes);
|
|
|
|
long fpMaxVal = op.RegisterSize == RegisterSize.Int32
|
|
? 0x41E0000000000000L // 2147483648.0000000d (2147483648)
|
|
: 0x43E0000000000000L; // 9.2233720368547760E18d (9223372036854775808)
|
|
|
|
Operand fpMaxValMask = X86GetScalar(context, fpMaxVal);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Cmpsd, nRes, fpMaxValMask, Const((int)CmpCondition.NotLessThan));
|
|
|
|
Operand nLong = context.AddIntrinsicLong(Intrinsic.X86Cvtsi2si, nRes);
|
|
|
|
if (op.RegisterSize == RegisterSize.Int32)
|
|
{
|
|
nLong = context.ConvertI64ToI32(nLong);
|
|
}
|
|
|
|
Operand dRes = context.BitwiseExclusiveOr(nIntOrLong, nLong);
|
|
|
|
SetIntOrZR(context, op.Rd, dRes);
|
|
}
|
|
}
|
|
|
|
private static void EmitSse41Fcvtu_Gp(ArmEmitterContext context, FPRoundingMode roundMode, bool isFixed)
|
|
{
|
|
OpCodeSimdCvt op = (OpCodeSimdCvt)context.CurrOp;
|
|
|
|
Operand n = GetVec(op.Rn);
|
|
|
|
if (op.Size == 0)
|
|
{
|
|
Operand nRes = context.AddIntrinsic(Intrinsic.X86Cmpss, n, n, Const((int)CmpCondition.OrderedQ));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, n);
|
|
|
|
if (isFixed)
|
|
{
|
|
// BitConverter.Int32BitsToSingle(fpScaled) == MathF.Pow(2f, op.FBits)
|
|
int fpScaled = 0x3F800000 + op.FBits * 0x800000;
|
|
|
|
Operand fpScaledMask = X86GetScalar(context, fpScaled);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Mulss, nRes, fpScaledMask);
|
|
}
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Roundss, nRes, Const(X86GetRoundControl(roundMode)));
|
|
|
|
Operand zero = context.VectorZero();
|
|
|
|
Operand nCmp = context.AddIntrinsic(Intrinsic.X86Cmpss, nRes, zero, Const((int)CmpCondition.NotLessThanOrEqual));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, nCmp);
|
|
|
|
int fpMaxVal = op.RegisterSize == RegisterSize.Int32
|
|
? 0x4F000000 // 2.14748365E9f (2147483648)
|
|
: 0x5F000000; // 9.223372E18f (9223372036854775808)
|
|
|
|
Operand fpMaxValMask = X86GetScalar(context, fpMaxVal);
|
|
|
|
Operand nIntOrLong = op.RegisterSize == RegisterSize.Int32
|
|
? context.AddIntrinsicInt (Intrinsic.X86Cvtss2si, nRes)
|
|
: context.AddIntrinsicLong(Intrinsic.X86Cvtss2si, nRes);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Subss, nRes, fpMaxValMask);
|
|
|
|
nCmp = context.AddIntrinsic(Intrinsic.X86Cmpss, nRes, zero, Const((int)CmpCondition.NotLessThanOrEqual));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, nCmp);
|
|
|
|
Operand nIntOrLong2 = op.RegisterSize == RegisterSize.Int32
|
|
? context.AddIntrinsicInt (Intrinsic.X86Cvtss2si, nRes)
|
|
: context.AddIntrinsicLong(Intrinsic.X86Cvtss2si, nRes);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Cmpss, nRes, fpMaxValMask, Const((int)CmpCondition.NotLessThan));
|
|
|
|
Operand nInt = context.AddIntrinsicInt(Intrinsic.X86Cvtsi2si, nRes);
|
|
|
|
if (op.RegisterSize == RegisterSize.Int64)
|
|
{
|
|
nInt = context.SignExtend32(OperandType.I64, nInt);
|
|
}
|
|
|
|
Operand dRes = context.BitwiseExclusiveOr(nIntOrLong2, nInt);
|
|
dRes = context.Add(dRes, nIntOrLong);
|
|
|
|
SetIntOrZR(context, op.Rd, dRes);
|
|
}
|
|
else /* if (op.Size == 1) */
|
|
{
|
|
Operand nRes = context.AddIntrinsic(Intrinsic.X86Cmpsd, n, n, Const((int)CmpCondition.OrderedQ));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, n);
|
|
|
|
if (isFixed)
|
|
{
|
|
// BitConverter.Int64BitsToDouble(fpScaled) == Math.Pow(2d, op.FBits)
|
|
long fpScaled = 0x3FF0000000000000L + op.FBits * 0x10000000000000L;
|
|
|
|
Operand fpScaledMask = X86GetScalar(context, fpScaled);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Mulsd, nRes, fpScaledMask);
|
|
}
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Roundsd, nRes, Const(X86GetRoundControl(roundMode)));
|
|
|
|
Operand zero = context.VectorZero();
|
|
|
|
Operand nCmp = context.AddIntrinsic(Intrinsic.X86Cmpsd, nRes, zero, Const((int)CmpCondition.NotLessThanOrEqual));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, nCmp);
|
|
|
|
long fpMaxVal = op.RegisterSize == RegisterSize.Int32
|
|
? 0x41E0000000000000L // 2147483648.0000000d (2147483648)
|
|
: 0x43E0000000000000L; // 9.2233720368547760E18d (9223372036854775808)
|
|
|
|
Operand fpMaxValMask = X86GetScalar(context, fpMaxVal);
|
|
|
|
Operand nIntOrLong = op.RegisterSize == RegisterSize.Int32
|
|
? context.AddIntrinsicInt (Intrinsic.X86Cvtsd2si, nRes)
|
|
: context.AddIntrinsicLong(Intrinsic.X86Cvtsd2si, nRes);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Subsd, nRes, fpMaxValMask);
|
|
|
|
nCmp = context.AddIntrinsic(Intrinsic.X86Cmpsd, nRes, zero, Const((int)CmpCondition.NotLessThanOrEqual));
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Pand, nRes, nCmp);
|
|
|
|
Operand nIntOrLong2 = op.RegisterSize == RegisterSize.Int32
|
|
? context.AddIntrinsicInt (Intrinsic.X86Cvtsd2si, nRes)
|
|
: context.AddIntrinsicLong(Intrinsic.X86Cvtsd2si, nRes);
|
|
|
|
nRes = context.AddIntrinsic(Intrinsic.X86Cmpsd, nRes, fpMaxValMask, Const((int)CmpCondition.NotLessThan));
|
|
|
|
Operand nLong = context.AddIntrinsicLong(Intrinsic.X86Cvtsi2si, nRes);
|
|
|
|
if (op.RegisterSize == RegisterSize.Int32)
|
|
{
|
|
nLong = context.ConvertI64ToI32(nLong);
|
|
}
|
|
|
|
Operand dRes = context.BitwiseExclusiveOr(nIntOrLong2, nLong);
|
|
dRes = context.Add(dRes, nIntOrLong);
|
|
|
|
SetIntOrZR(context, op.Rd, dRes);
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
}
|
|
}
|