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ryujinx-mirror/ARMeilleure/Instructions/InstEmitSimdCvt.cs
LDj3SNuD 1de16f7653
Add Fcvtas_S/V & Fcvtau_S/V. (#1018)
2020-03-24 22:53:49 +01:00

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using ARMeilleure.Decoders;
using ARMeilleure.IntermediateRepresentation;
using ARMeilleure.State;
using ARMeilleure.Translation;
using System;
using System.Diagnostics;
using static ARMeilleure.Instructions.InstEmitHelper;
using static ARMeilleure.Instructions.InstEmitSimdHelper;
using static ARMeilleure.IntermediateRepresentation.OperandHelper;
namespace ARMeilleure.Instructions
{
using Func1I = Func<Operand, Operand>;
static partial class InstEmit
{
public static void Fcvt_S(ArmEmitterContext context)
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
if (op.Size == 0 && op.Opc == 1) // Single -> Double.
{
if (Optimizations.UseSse2)
{
Operand n = GetVec(op.Rn);
Operand res = context.AddIntrinsic(Intrinsic.X86Cvtss2sd, context.VectorZero(), n);
context.Copy(GetVec(op.Rd), res);
}
else
{
Operand ne = context.VectorExtract(OperandType.FP32, GetVec(op.Rn), 0);
Operand res = context.ConvertToFP(OperandType.FP64, ne);
context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
}
}
else if (op.Size == 1 && op.Opc == 0) // Double -> Single.
{
if (Optimizations.UseSse2)
{
Operand n = GetVec(op.Rn);
Operand res = context.AddIntrinsic(Intrinsic.X86Cvtsd2ss, context.VectorZero(), n);
context.Copy(GetVec(op.Rd), res);
}
else
{
Operand ne = context.VectorExtract(OperandType.FP64, GetVec(op.Rn), 0);
Operand res = context.ConvertToFP(OperandType.FP32, ne);
context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
}
}
else if (op.Size == 0 && op.Opc == 3) // Single -> Half.
{
Operand ne = context.VectorExtract(OperandType.FP32, GetVec(op.Rn), 0);
Delegate dlg = new _U16_F32(SoftFloat32_16.FPConvert);
Operand res = context.Call(dlg, ne);
res = context.ZeroExtend16(OperandType.I64, res);
context.Copy(GetVec(op.Rd), EmitVectorInsert(context, context.VectorZero(), res, 0, 1));
}
else if (op.Size == 3 && op.Opc == 0) // Half -> Single.
{
Operand ne = EmitVectorExtractZx(context, op.Rn, 0, 1);
Delegate dlg = new _F32_U16(SoftFloat16_32.FPConvert);
Operand res = context.Call(dlg, ne);
context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), res, 0));
}
else if (op.Size == 1 && op.Opc == 3) // Double -> Half.
{
throw new NotImplementedException("Double-precision to half-precision.");
}
else if (op.Size == 3 && op.Opc == 1) // Double -> Half.
{
throw new NotImplementedException("Half-precision to double-precision.");
}
else // Invalid encoding.
{
Debug.Assert(false, $"type == {op.Size} && opc == {op.Opc}");
}
}
public static void Fcvtas_Gp(ArmEmitterContext context)
{
EmitFcvt_s_Gp(context, (op1) => EmitRoundMathCall(context, MidpointRounding.AwayFromZero, op1));
}
public static void Fcvtas_S(ArmEmitterContext context)
{
EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.AwayFromZero, op1), signed: true, scalar: true);
}
public static void Fcvtas_V(ArmEmitterContext context)
{
EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.AwayFromZero, op1), signed: true, scalar: false);
}
public static void Fcvtau_Gp(ArmEmitterContext context)
{
EmitFcvt_u_Gp(context, (op1) => EmitRoundMathCall(context, MidpointRounding.AwayFromZero, op1));
}
public static void Fcvtau_S(ArmEmitterContext context)
{
EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.AwayFromZero, op1), signed: false, scalar: true);
}
public static void Fcvtau_V(ArmEmitterContext context)
{
EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.AwayFromZero, op1), signed: false, scalar: false);
}
public static void Fcvtl_V(ArmEmitterContext context)
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
int sizeF = op.Size & 1;
if (Optimizations.UseSse2 && sizeF == 1)
{
Operand n = GetVec(op.Rn);
Operand res;
if (op.RegisterSize == RegisterSize.Simd128)
{
res = context.AddIntrinsic(Intrinsic.X86Movhlps, n, n);
}
else
{
res = n;
}
res = context.AddIntrinsic(Intrinsic.X86Cvtps2pd, res);
context.Copy(GetVec(op.Rd), res);
}
else
{
Operand res = context.VectorZero();
int elems = 4 >> sizeF;
int part = op.RegisterSize == RegisterSize.Simd128 ? elems : 0;
for (int index = 0; index < elems; index++)
{
if (sizeF == 0)
{
Operand ne = EmitVectorExtractZx(context, op.Rn, part + index, 1);
Delegate dlg = new _F32_U16(SoftFloat16_32.FPConvert);
Operand e = context.Call(dlg, ne);
res = context.VectorInsert(res, e, index);
}
else /* if (sizeF == 1) */
{
Operand ne = context.VectorExtract(OperandType.FP32, GetVec(op.Rn), part + index);
Operand e = context.ConvertToFP(OperandType.FP64, ne);
res = context.VectorInsert(res, e, index);
}
}
context.Copy(GetVec(op.Rd), res);
}
}
public static void Fcvtms_Gp(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvts_Gp(context, FPRoundingMode.TowardsMinusInfinity, isFixed: false);
}
else
{
EmitFcvt_s_Gp(context, (op1) => EmitUnaryMathCall(context, MathF.Floor, Math.Floor, op1));
}
}
public static void Fcvtmu_Gp(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvtu_Gp(context, FPRoundingMode.TowardsMinusInfinity, isFixed: false);
}
else
{
EmitFcvt_u_Gp(context, (op1) => EmitUnaryMathCall(context, MathF.Floor, Math.Floor, op1));
}
}
public static void Fcvtn_V(ArmEmitterContext context)
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
int sizeF = op.Size & 1;
if (Optimizations.UseSse2 && sizeF == 1)
{
Operand d = GetVec(op.Rd);
Operand res = context.VectorZeroUpper64(d);
Operand nInt = context.AddIntrinsic(Intrinsic.X86Cvtpd2ps, GetVec(op.Rn));
nInt = context.AddIntrinsic(Intrinsic.X86Movlhps, nInt, nInt);
Intrinsic movInst = op.RegisterSize == RegisterSize.Simd128
? Intrinsic.X86Movlhps
: Intrinsic.X86Movhlps;
res = context.AddIntrinsic(movInst, res, nInt);
context.Copy(d, res);
}
else
{
OperandType type = sizeF == 0 ? OperandType.FP32 : OperandType.FP64;
int elems = 4 >> sizeF;
int part = op.RegisterSize == RegisterSize.Simd128 ? elems : 0;
Operand d = GetVec(op.Rd);
Operand res = part == 0 ? context.VectorZero() : context.Copy(d);
for (int index = 0; index < elems; index++)
{
Operand ne = context.VectorExtract(type, GetVec(op.Rn), 0);
if (sizeF == 0)
{
Delegate dlg = new _U16_F32(SoftFloat32_16.FPConvert);
Operand e = context.Call(dlg, ne);
e = context.ZeroExtend16(OperandType.I64, e);
res = EmitVectorInsert(context, res, e, part + index, 1);
}
else /* if (sizeF == 1) */
{
Operand e = context.ConvertToFP(OperandType.FP32, ne);
res = context.VectorInsert(res, e, part + index);
}
}
context.Copy(d, res);
}
}
public static void Fcvtns_S(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvts(context, FPRoundingMode.ToNearest, scalar: true);
}
else
{
EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.ToEven, op1), signed: true, scalar: true);
}
}
public static void Fcvtns_V(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvts(context, FPRoundingMode.ToNearest, scalar: false);
}
else
{
EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.ToEven, op1), signed: true, scalar: false);
}
}
public static void Fcvtnu_S(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvtu(context, FPRoundingMode.ToNearest, scalar: true);
}
else
{
EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.ToEven, op1), signed: false, scalar: true);
}
}
public static void Fcvtnu_V(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvtu(context, FPRoundingMode.ToNearest, scalar: false);
}
else
{
EmitFcvt(context, (op1) => EmitRoundMathCall(context, MidpointRounding.ToEven, op1), signed: false, scalar: false);
}
}
public static void Fcvtps_Gp(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvts_Gp(context, FPRoundingMode.TowardsPlusInfinity, isFixed: false);
}
else
{
EmitFcvt_s_Gp(context, (op1) => EmitUnaryMathCall(context, MathF.Ceiling, Math.Ceiling, op1));
}
}
public static void Fcvtpu_Gp(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvtu_Gp(context, FPRoundingMode.TowardsPlusInfinity, isFixed: false);
}
else
{
EmitFcvt_u_Gp(context, (op1) => EmitUnaryMathCall(context, MathF.Ceiling, Math.Ceiling, op1));
}
}
public static void Fcvtzs_Gp(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvts_Gp(context, FPRoundingMode.TowardsZero, isFixed: false);
}
else
{
EmitFcvt_s_Gp(context, (op1) => op1);
}
}
public static void Fcvtzs_Gp_Fixed(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvts_Gp(context, FPRoundingMode.TowardsZero, isFixed: true);
}
else
{
EmitFcvtzs_Gp_Fixed(context);
}
}
public static void Fcvtzs_S(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvts(context, FPRoundingMode.TowardsZero, scalar: true);
}
else
{
EmitFcvtz(context, signed: true, scalar: true);
}
}
public static void Fcvtzs_V(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvts(context, FPRoundingMode.TowardsZero, scalar: false);
}
else
{
EmitFcvtz(context, signed: true, scalar: false);
}
}
public static void Fcvtzs_V_Fixed(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvts(context, FPRoundingMode.TowardsZero, scalar: false);
}
else
{
EmitFcvtz(context, signed: true, scalar: false);
}
}
public static void Fcvtzu_Gp(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvtu_Gp(context, FPRoundingMode.TowardsZero, isFixed: false);
}
else
{
EmitFcvt_u_Gp(context, (op1) => op1);
}
}
public static void Fcvtzu_Gp_Fixed(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvtu_Gp(context, FPRoundingMode.TowardsZero, isFixed: true);
}
else
{
EmitFcvtzu_Gp_Fixed(context);
}
}
public static void Fcvtzu_S(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvtu(context, FPRoundingMode.TowardsZero, scalar: true);
}
else
{
EmitFcvtz(context, signed: false, scalar: true);
}
}
public static void Fcvtzu_V(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvtu(context, FPRoundingMode.TowardsZero, scalar: false);
}
else
{
EmitFcvtz(context, signed: false, scalar: false);
}
}
public static void Fcvtzu_V_Fixed(ArmEmitterContext context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvtu(context, FPRoundingMode.TowardsZero, scalar: false);
}
else
{
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)
{
if (Optimizations.UseSse2)
{
EmitSse2Scvtf(context, scalar: true);
}
else
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
int sizeF = op.Size & 1;
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)
{
if (Optimizations.UseSse2)
{
EmitSse2Scvtf(context, scalar: false);
}
else
{
EmitVectorCvtf(context, signed: true);
}
}
public static void Scvtf_V_Fixed(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
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)
{
if (Optimizations.UseSse2)
{
EmitSse2Ucvtf(context, scalar: true);
}
else
{
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
int sizeF = op.Size & 1;
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)
{
if (Optimizations.UseSse2)
{
EmitSse2Ucvtf(context, scalar: false);
}
else
{
EmitVectorCvtf(context, signed: false);
}
}
public static void Ucvtf_V_Fixed(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
EmitSse2Ucvtf(context, scalar: false);
}
else
{
EmitVectorCvtf(context, signed: 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)
{
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)));
}
}
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 EmitSse2Scvtf(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 EmitSse2Ucvtf(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 EmitSse41Fcvts(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 EmitSse41Fcvtu(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);
}
}
}
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