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Ryujinx/ChocolArm64/Instructions/InstEmitSimdCvt.cs
LDj3SNuD ffbfbb5549 Add FCVT <Hd>, <Sn> and FCVT <Sd>, <Hn> Inst.; add Tests. (#692)
* Update OpCodeTable.cs

* Update InstEmitSimdCvt.cs

* Update CpuTestSimd.cs

* Address PR feedback.
2019-05-30 19:51:39 -03:00

1382 lines
44 KiB
C#

using ChocolArm64.Decoders;
using ChocolArm64.State;
using ChocolArm64.Translation;
using System;
using System.Reflection.Emit;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.X86;
using static ChocolArm64.Instructions.InstEmitSimdHelper;
namespace ChocolArm64.Instructions
{
static partial class InstEmit
{
public static void Fcvt_S(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
if (op.Size == 0 && op.Opc == 1) // Single -> Double.
{
if (Optimizations.UseSse2)
{
Type[] typesCvt = new Type[] { typeof(Vector128<double>), typeof(Vector128<float>) };
VectorHelper.EmitCall(context, nameof(VectorHelper.VectorSingleZero));
context.EmitLdvec(op.Rn);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertScalarToVector128Double), typesCvt));
context.EmitStvec(op.Rd);
}
else
{
EmitVectorExtractF(context, op.Rn, 0, 0);
EmitFloatCast(context, 1);
EmitScalarSetF(context, op.Rd, 1);
}
}
else if (op.Size == 1 && op.Opc == 0) // Double -> Single.
{
if (Optimizations.UseSse2)
{
Type[] typesCvt = new Type[] { typeof(Vector128<float>), typeof(Vector128<double>) };
VectorHelper.EmitCall(context, nameof(VectorHelper.VectorSingleZero));
context.EmitLdvec(op.Rn);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertScalarToVector128Single), typesCvt));
context.EmitStvec(op.Rd);
}
else
{
EmitVectorExtractF(context, op.Rn, 0, 1);
EmitFloatCast(context, 0);
EmitScalarSetF(context, op.Rd, 0);
}
}
else if (op.Size == 0 && op.Opc == 3) // Single -> Half.
{
EmitVectorExtractF(context, op.Rn, 0, 0);
context.EmitLdarg(TranslatedSub.StateArgIdx);
context.EmitCall(typeof(SoftFloat32_16), nameof(SoftFloat32_16.FPConvert));
context.Emit(OpCodes.Conv_U8);
EmitScalarSet(context, op.Rd, 1);
}
else if (op.Size == 3 && op.Opc == 0) // Half -> Single.
{
EmitVectorExtractZx(context, op.Rn, 0, 1);
context.Emit(OpCodes.Conv_U2);
context.EmitLdarg(TranslatedSub.StateArgIdx);
context.EmitCall(typeof(SoftFloat16_32), nameof(SoftFloat16_32.FPConvert));
EmitScalarSetF(context, op.Rd, 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.
{
throw new InvalidOperationException($"type == {op.Size} && opc == {op.Opc}");
}
}
public static void Fcvtas_Gp(ILEmitterCtx context)
{
EmitFcvt_s_Gp(context, () => EmitRoundMathCall(context, MidpointRounding.AwayFromZero));
}
public static void Fcvtau_Gp(ILEmitterCtx context)
{
EmitFcvt_u_Gp(context, () => EmitRoundMathCall(context, MidpointRounding.AwayFromZero));
}
public static void Fcvtl_V(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int sizeF = op.Size & 1;
if (Optimizations.UseSse2 && sizeF == 1)
{
Type[] typesCvt = new Type[] { typeof(Vector128<float>) };
context.EmitLdvec(op.Rn);
if (op.RegisterSize == RegisterSize.Simd128)
{
context.EmitLdvec(op.Rn);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.MoveHighToLow)));
}
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertToVector128Double), typesCvt));
context.EmitStvec(op.Rd);
}
else
{
int elems = 4 >> sizeF;
int part = op.RegisterSize == RegisterSize.Simd128 ? elems : 0;
for (int index = 0; index < elems; index++)
{
if (sizeF == 0)
{
EmitVectorExtractZx(context, op.Rn, part + index, 1);
context.Emit(OpCodes.Conv_U2);
context.EmitLdarg(TranslatedSub.StateArgIdx);
context.EmitCall(typeof(SoftFloat16_32), nameof(SoftFloat16_32.FPConvert));
}
else /* if (sizeF == 1) */
{
EmitVectorExtractF(context, op.Rn, part + index, 0);
context.Emit(OpCodes.Conv_R8);
}
EmitVectorInsertTmpF(context, index, sizeF);
}
context.EmitLdvectmp();
context.EmitStvec(op.Rd);
}
}
public static void Fcvtms_Gp(ILEmitterCtx context)
{
EmitFcvt_s_Gp(context, () => EmitUnaryMathCall(context, nameof(Math.Floor)));
}
public static void Fcvtmu_Gp(ILEmitterCtx context)
{
EmitFcvt_u_Gp(context, () => EmitUnaryMathCall(context, nameof(Math.Floor)));
}
public static void Fcvtn_V(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int sizeF = op.Size & 1;
if (Optimizations.UseSse2 && sizeF == 1)
{
Type[] typesCvt = new Type[] { typeof(Vector128<double>) };
string nameMov = op.RegisterSize == RegisterSize.Simd128
? nameof(Sse.MoveLowToHigh)
: nameof(Sse.MoveHighToLow);
context.EmitLdvec(op.Rd);
VectorHelper.EmitCall(context, nameof(VectorHelper.VectorSingleZero));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.MoveLowToHigh)));
context.EmitLdvec(op.Rn);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertToVector128Single), typesCvt));
context.Emit(OpCodes.Dup);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.MoveLowToHigh)));
context.EmitCall(typeof(Sse).GetMethod(nameMov));
context.EmitStvec(op.Rd);
}
else
{
int elems = 4 >> sizeF;
int part = op.RegisterSize == RegisterSize.Simd128 ? elems : 0;
if (part != 0)
{
context.EmitLdvec(op.Rd);
context.EmitStvectmp();
}
for (int index = 0; index < elems; index++)
{
EmitVectorExtractF(context, op.Rn, index, sizeF);
if (sizeF == 0)
{
context.EmitLdarg(TranslatedSub.StateArgIdx);
context.EmitCall(typeof(SoftFloat32_16), nameof(SoftFloat32_16.FPConvert));
context.Emit(OpCodes.Conv_U8);
EmitVectorInsertTmp(context, part + index, 1);
}
else /* if (sizeF == 1) */
{
context.Emit(OpCodes.Conv_R4);
EmitVectorInsertTmpF(context, part + index, 0);
}
}
context.EmitLdvectmp();
context.EmitStvec(op.Rd);
if (part == 0)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
}
public static void Fcvtns_S(ILEmitterCtx context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvt_Signed(context, RoundMode.ToNearest, scalar: true);
}
else
{
EmitFcvtn(context, signed: true, scalar: true);
}
}
public static void Fcvtns_V(ILEmitterCtx context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvt_Signed(context, RoundMode.ToNearest, scalar: false);
}
else
{
EmitFcvtn(context, signed: true, scalar: false);
}
}
public static void Fcvtnu_S(ILEmitterCtx context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvt_Unsigned(context, RoundMode.ToNearest, scalar: true);
}
else
{
EmitFcvtn(context, signed: false, scalar: true);
}
}
public static void Fcvtnu_V(ILEmitterCtx context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvt_Unsigned(context, RoundMode.ToNearest, scalar: false);
}
else
{
EmitFcvtn(context, signed: false, scalar: false);
}
}
public static void Fcvtps_Gp(ILEmitterCtx context)
{
EmitFcvt_s_Gp(context, () => EmitUnaryMathCall(context, nameof(Math.Ceiling)));
}
public static void Fcvtpu_Gp(ILEmitterCtx context)
{
EmitFcvt_u_Gp(context, () => EmitUnaryMathCall(context, nameof(Math.Ceiling)));
}
public static void Fcvtzs_Gp(ILEmitterCtx context)
{
EmitFcvt_s_Gp(context, () => { });
}
public static void Fcvtzs_Gp_Fixed(ILEmitterCtx context)
{
EmitFcvtzs_Gp_Fixed(context);
}
public static void Fcvtzs_S(ILEmitterCtx context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvt_Signed(context, RoundMode.TowardsZero, scalar: true);
}
else
{
EmitFcvtz(context, signed: true, scalar: true);
}
}
public static void Fcvtzs_V(ILEmitterCtx context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvt_Signed(context, RoundMode.TowardsZero, scalar: false);
}
else
{
EmitFcvtz(context, signed: true, scalar: false);
}
}
public static void Fcvtzs_V_Fixed(ILEmitterCtx context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvt_Signed(context, RoundMode.TowardsZero, scalar: false);
}
else
{
EmitFcvtz(context, signed: true, scalar: false);
}
}
public static void Fcvtzu_Gp(ILEmitterCtx context)
{
EmitFcvt_u_Gp(context, () => { });
}
public static void Fcvtzu_Gp_Fixed(ILEmitterCtx context)
{
EmitFcvtzu_Gp_Fixed(context);
}
public static void Fcvtzu_S(ILEmitterCtx context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvt_Unsigned(context, RoundMode.TowardsZero, scalar: true);
}
else
{
EmitFcvtz(context, signed: false, scalar: true);
}
}
public static void Fcvtzu_V(ILEmitterCtx context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvt_Unsigned(context, RoundMode.TowardsZero, scalar: false);
}
else
{
EmitFcvtz(context, signed: false, scalar: false);
}
}
public static void Fcvtzu_V_Fixed(ILEmitterCtx context)
{
if (Optimizations.UseSse41)
{
EmitSse41Fcvt_Unsigned(context, RoundMode.TowardsZero, scalar: false);
}
else
{
EmitFcvtz(context, signed: false, scalar: false);
}
}
public static void Scvtf_Gp(ILEmitterCtx context)
{
OpCodeSimdCvt64 op = (OpCodeSimdCvt64)context.CurrOp;
context.EmitLdintzr(op.Rn);
if (context.CurrOp.RegisterSize == RegisterSize.Int32)
{
context.Emit(OpCodes.Conv_I4);
}
EmitFloatCast(context, op.Size);
EmitScalarSetF(context, op.Rd, op.Size);
}
public static void Scvtf_Gp_Fixed(ILEmitterCtx context)
{
OpCodeSimdCvt64 op = (OpCodeSimdCvt64)context.CurrOp;
context.EmitLdintzr(op.Rn);
if (context.CurrOp.RegisterSize == RegisterSize.Int32)
{
context.Emit(OpCodes.Conv_I4);
}
EmitFloatCast(context, op.Size);
EmitI2fFBitsMul(context, op.Size, op.FBits);
EmitScalarSetF(context, op.Rd, op.Size);
}
public static void Scvtf_S(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int sizeF = op.Size & 1;
if (Optimizations.UseSse2 && sizeF == 0)
{
EmitSse2cvtF_Signed(context, scalar: true);
}
else
{
EmitVectorExtractSx(context, op.Rn, 0, sizeF + 2);
EmitFloatCast(context, sizeF);
EmitScalarSetF(context, op.Rd, sizeF);
}
}
public static void Scvtf_V(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int sizeF = op.Size & 1;
if (Optimizations.UseSse2 && sizeF == 0)
{
EmitSse2cvtF_Signed(context, scalar: false);
}
else
{
EmitVectorCvtf(context, signed: true);
}
}
public static void Scvtf_V_Fixed(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
// sizeF == ((OpCodeSimdShImm64)op).Size - 2
int sizeF = op.Size & 1;
if (Optimizations.UseSse2 && sizeF == 0)
{
EmitSse2cvtF_Signed(context, scalar: false);
}
else
{
EmitVectorCvtf(context, signed: true);
}
}
public static void Ucvtf_Gp(ILEmitterCtx context)
{
OpCodeSimdCvt64 op = (OpCodeSimdCvt64)context.CurrOp;
context.EmitLdintzr(op.Rn);
if (context.CurrOp.RegisterSize == RegisterSize.Int32)
{
context.Emit(OpCodes.Conv_U4);
}
context.Emit(OpCodes.Conv_R_Un);
EmitFloatCast(context, op.Size);
EmitScalarSetF(context, op.Rd, op.Size);
}
public static void Ucvtf_Gp_Fixed(ILEmitterCtx context)
{
OpCodeSimdCvt64 op = (OpCodeSimdCvt64)context.CurrOp;
context.EmitLdintzr(op.Rn);
if (context.CurrOp.RegisterSize == RegisterSize.Int32)
{
context.Emit(OpCodes.Conv_U4);
}
context.Emit(OpCodes.Conv_R_Un);
EmitFloatCast(context, op.Size);
EmitI2fFBitsMul(context, op.Size, op.FBits);
EmitScalarSetF(context, op.Rd, op.Size);
}
public static void Ucvtf_S(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int sizeF = op.Size & 1;
if (Optimizations.UseSse2 && sizeF == 0)
{
EmitSse2cvtF_Unsigned(context, scalar: true);
}
else
{
EmitVectorExtractZx(context, op.Rn, 0, sizeF + 2);
context.Emit(OpCodes.Conv_R_Un);
EmitFloatCast(context, sizeF);
EmitScalarSetF(context, op.Rd, sizeF);
}
}
public static void Ucvtf_V(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int sizeF = op.Size & 1;
if (Optimizations.UseSse2 && sizeF == 0)
{
EmitSse2cvtF_Unsigned(context, scalar: false);
}
else
{
EmitVectorCvtf(context, signed: false);
}
}
public static void Ucvtf_V_Fixed(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
// sizeF == ((OpCodeSimdShImm64)op).Size - 2
int sizeF = op.Size & 1;
if (Optimizations.UseSse2 && sizeF == 0)
{
EmitSse2cvtF_Unsigned(context, scalar: false);
}
else
{
EmitVectorCvtf(context, signed: false);
}
}
private static void EmitFcvtn(ILEmitterCtx context, bool signed, bool scalar)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int sizeF = op.Size & 1;
int sizeI = sizeF + 2;
int bytes = op.GetBitsCount() >> 3;
int elems = !scalar ? bytes >> sizeI : 1;
for (int index = 0; index < elems; index++)
{
EmitVectorExtractF(context, op.Rn, index, sizeF);
EmitRoundMathCall(context, MidpointRounding.ToEven);
if (sizeF == 0)
{
VectorHelper.EmitCall(context, signed
? nameof(VectorHelper.SatF32ToS32)
: nameof(VectorHelper.SatF32ToU32));
context.Emit(OpCodes.Conv_U8);
}
else /* if (sizeF == 1) */
{
VectorHelper.EmitCall(context, signed
? nameof(VectorHelper.SatF64ToS64)
: nameof(VectorHelper.SatF64ToU64));
}
if (scalar)
{
EmitVectorZeroAll(context, op.Rd);
}
EmitVectorInsert(context, op.Rd, index, sizeI);
}
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
private static void EmitFcvtz(ILEmitterCtx context, bool signed, bool scalar)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int sizeF = op.Size & 1;
int sizeI = sizeF + 2;
int fBits = GetFBits(context);
int bytes = op.GetBitsCount() >> 3;
int elems = !scalar ? bytes >> sizeI : 1;
for (int index = 0; index < elems; index++)
{
EmitVectorExtractF(context, op.Rn, index, sizeF);
EmitF2iFBitsMul(context, sizeF, fBits);
if (sizeF == 0)
{
VectorHelper.EmitCall(context, signed
? nameof(VectorHelper.SatF32ToS32)
: nameof(VectorHelper.SatF32ToU32));
context.Emit(OpCodes.Conv_U8);
}
else /* if (sizeF == 1) */
{
VectorHelper.EmitCall(context, signed
? nameof(VectorHelper.SatF64ToS64)
: nameof(VectorHelper.SatF64ToU64));
}
if (scalar)
{
EmitVectorZeroAll(context, op.Rd);
}
EmitVectorInsert(context, op.Rd, index, sizeI);
}
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
private static void EmitFcvt_s_Gp(ILEmitterCtx context, Action emit)
{
EmitFcvt___Gp(context, emit, true);
}
private static void EmitFcvt_u_Gp(ILEmitterCtx context, Action emit)
{
EmitFcvt___Gp(context, emit, false);
}
private static void EmitFcvt___Gp(ILEmitterCtx context, Action emit, bool signed)
{
OpCodeSimdCvt64 op = (OpCodeSimdCvt64)context.CurrOp;
EmitVectorExtractF(context, op.Rn, 0, op.Size);
emit();
if (signed)
{
EmitScalarFcvts(context, op.Size, 0);
}
else
{
EmitScalarFcvtu(context, op.Size, 0);
}
if (context.CurrOp.RegisterSize == RegisterSize.Int32)
{
context.Emit(OpCodes.Conv_U8);
}
context.EmitStintzr(op.Rd);
}
private static void EmitFcvtzs_Gp_Fixed(ILEmitterCtx context)
{
EmitFcvtz__Gp_Fixed(context, true);
}
private static void EmitFcvtzu_Gp_Fixed(ILEmitterCtx context)
{
EmitFcvtz__Gp_Fixed(context, false);
}
private static void EmitFcvtz__Gp_Fixed(ILEmitterCtx context, bool signed)
{
OpCodeSimdCvt64 op = (OpCodeSimdCvt64)context.CurrOp;
EmitVectorExtractF(context, op.Rn, 0, op.Size);
if (signed)
{
EmitScalarFcvts(context, op.Size, op.FBits);
}
else
{
EmitScalarFcvtu(context, op.Size, op.FBits);
}
if (context.CurrOp.RegisterSize == RegisterSize.Int32)
{
context.Emit(OpCodes.Conv_U8);
}
context.EmitStintzr(op.Rd);
}
private static void EmitVectorCvtf(ILEmitterCtx context, bool signed)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int sizeF = op.Size & 1;
int sizeI = sizeF + 2;
int fBits = GetFBits(context);
int bytes = op.GetBitsCount() >> 3;
int elems = bytes >> sizeI;
for (int index = 0; index < elems; index++)
{
EmitVectorExtract(context, op.Rn, index, sizeI, signed);
if (!signed)
{
context.Emit(OpCodes.Conv_R_Un);
}
EmitFloatCast(context, sizeF);
EmitI2fFBitsMul(context, sizeF, fBits);
EmitVectorInsertF(context, op.Rd, index, sizeF);
}
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
private static int GetFBits(ILEmitterCtx context)
{
if (context.CurrOp is OpCodeSimdShImm64 op)
{
return GetImmShr(op);
}
return 0;
}
private static void EmitFloatCast(ILEmitterCtx context, int size)
{
if (size == 0)
{
context.Emit(OpCodes.Conv_R4);
}
else if (size == 1)
{
context.Emit(OpCodes.Conv_R8);
}
else
{
throw new ArgumentOutOfRangeException(nameof(size));
}
}
private static void EmitScalarFcvts(ILEmitterCtx context, int size, int fBits)
{
if (size < 0 || size > 1)
{
throw new ArgumentOutOfRangeException(nameof(size));
}
EmitF2iFBitsMul(context, size, fBits);
if (context.CurrOp.RegisterSize == RegisterSize.Int32)
{
if (size == 0)
{
VectorHelper.EmitCall(context, nameof(VectorHelper.SatF32ToS32));
}
else /* if (size == 1) */
{
VectorHelper.EmitCall(context, nameof(VectorHelper.SatF64ToS32));
}
}
else
{
if (size == 0)
{
VectorHelper.EmitCall(context, nameof(VectorHelper.SatF32ToS64));
}
else /* if (size == 1) */
{
VectorHelper.EmitCall(context, nameof(VectorHelper.SatF64ToS64));
}
}
}
private static void EmitScalarFcvtu(ILEmitterCtx context, int size, int fBits)
{
if (size < 0 || size > 1)
{
throw new ArgumentOutOfRangeException(nameof(size));
}
EmitF2iFBitsMul(context, size, fBits);
if (context.CurrOp.RegisterSize == RegisterSize.Int32)
{
if (size == 0)
{
VectorHelper.EmitCall(context, nameof(VectorHelper.SatF32ToU32));
}
else /* if (size == 1) */
{
VectorHelper.EmitCall(context, nameof(VectorHelper.SatF64ToU32));
}
}
else
{
if (size == 0)
{
VectorHelper.EmitCall(context, nameof(VectorHelper.SatF32ToU64));
}
else /* if (size == 1) */
{
VectorHelper.EmitCall(context, nameof(VectorHelper.SatF64ToU64));
}
}
}
private static void EmitF2iFBitsMul(ILEmitterCtx context, int size, int fBits)
{
if (fBits != 0)
{
if (size == 0)
{
context.EmitLdc_R4(MathF.Pow(2f, fBits));
}
else if (size == 1)
{
context.EmitLdc_R8(Math.Pow(2d, fBits));
}
else
{
throw new ArgumentOutOfRangeException(nameof(size));
}
context.Emit(OpCodes.Mul);
}
}
private static void EmitI2fFBitsMul(ILEmitterCtx context, int size, int fBits)
{
if (fBits != 0)
{
if (size == 0)
{
context.EmitLdc_R4(1f / MathF.Pow(2f, fBits));
}
else if (size == 1)
{
context.EmitLdc_R8(1d / Math.Pow(2d, fBits));
}
else
{
throw new ArgumentOutOfRangeException(nameof(size));
}
context.Emit(OpCodes.Mul);
}
}
private static void EmitSse41Fcvt_Signed(ILEmitterCtx context, RoundMode roundMode, bool scalar)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
// sizeF == ((OpCodeSimdShImm64)op).Size - 2
int sizeF = op.Size & 1;
if (sizeF == 0)
{
Type[] types = new Type[] { typeof(Vector128<float>), typeof(Vector128<float>) };
Type[] typesRndCvt = new Type[] { typeof(Vector128<float>) };
Type[] typesSav = new Type[] { typeof(int) };
context.EmitLdvec(op.Rn);
context.EmitLdvec(op.Rn);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.CompareOrdered), types));
context.EmitLdvec(op.Rn);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.And), types));
if (op is OpCodeSimdShImm64 fixedOp)
{
int fBits = GetImmShr(fixedOp);
// BitConverter.Int32BitsToSingle(fpScaled) == MathF.Pow(2f, fBits)
int fpScaled = 0x3F800000 + fBits * 0x800000;
context.EmitLdc_I4(fpScaled);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.Multiply), types));
}
context.EmitCall(typeof(Sse41).GetMethod(GetVectorSse41NameRnd(roundMode), typesRndCvt));
context.EmitStvectmp();
context.EmitLdvectmp();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertToVector128Int32), typesRndCvt));
context.EmitLdvectmp();
context.EmitLdc_I4(0x4F000000); // 2.14748365E9f (2147483648)
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.CompareGreaterThanOrEqual), types));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.Xor), types));
context.EmitStvec(op.Rd);
if (scalar)
{
EmitVectorZero32_128(context, op.Rd);
}
else if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
else /* if (sizeF == 1) */
{
Type[] types = new Type[] { typeof(Vector128<double>), typeof(Vector128<double>) };
Type[] typesRndCvt = new Type[] { typeof(Vector128<double>) };
Type[] typesSv = new Type[] { typeof(long), typeof(long) };
Type[] typesSav = new Type[] { typeof(long) };
context.EmitLdvec(op.Rn);
context.EmitLdvec(op.Rn);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.CompareOrdered), types));
context.EmitLdvec(op.Rn);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.And), types));
if (op is OpCodeSimdShImm64 fixedOp)
{
int fBits = GetImmShr(fixedOp);
// BitConverter.Int64BitsToDouble(fpScaled) == Math.Pow(2d, fBits)
long fpScaled = 0x3FF0000000000000L + fBits * 0x10000000000000L;
context.EmitLdc_I8(fpScaled);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Multiply), types));
}
context.EmitCall(typeof(Sse41).GetMethod(GetVectorSse41NameRnd(roundMode), typesRndCvt));
context.EmitStvectmp();
if (!scalar)
{
context.EmitLdvectmp();
context.EmitLdvectmp();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.UnpackHigh), types));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertToInt64), typesRndCvt));
}
else
{
context.EmitLdc_I8(0L);
}
context.EmitLdvectmp();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertToInt64), typesRndCvt));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetVector128), typesSv));
context.EmitLdvectmp();
context.EmitLdc_I8(0x43E0000000000000L); // 9.2233720368547760E18d (9223372036854775808)
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.CompareGreaterThanOrEqual), types));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Xor), types));
context.EmitStvec(op.Rd);
if (scalar)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
}
private static void EmitSse41Fcvt_Unsigned(ILEmitterCtx context, RoundMode roundMode, bool scalar)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
// sizeF == ((OpCodeSimdShImm64)op).Size - 2
int sizeF = op.Size & 1;
if (sizeF == 0)
{
Type[] types = new Type[] { typeof(Vector128<float>), typeof(Vector128<float>) };
Type[] typesAdd = new Type[] { typeof(Vector128<int>), typeof(Vector128<int>) };
Type[] typesRndCvt = new Type[] { typeof(Vector128<float>) };
Type[] typesSav = new Type[] { typeof(int) };
context.EmitLdvec(op.Rn);
context.EmitLdvec(op.Rn);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.CompareOrdered), types));
context.EmitLdvec(op.Rn);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.And), types));
if (op is OpCodeSimdShImm64 fixedOp)
{
int fBits = GetImmShr(fixedOp);
// BitConverter.Int32BitsToSingle(fpScaled) == MathF.Pow(2f, fBits)
int fpScaled = 0x3F800000 + fBits * 0x800000;
context.EmitLdc_I4(fpScaled);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.Multiply), types));
}
context.EmitCall(typeof(Sse41).GetMethod(GetVectorSse41NameRnd(roundMode), typesRndCvt));
context.Emit(OpCodes.Dup);
VectorHelper.EmitCall(context, nameof(VectorHelper.VectorSingleZero));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.CompareGreaterThan), types));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.And), types));
context.EmitStvectmp();
context.EmitLdvectmp();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertToVector128Int32), typesRndCvt));
context.EmitLdvectmp();
context.EmitLdc_I4(0x4F000000); // 2.14748365E9f (2147483648)
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitStvectmp2();
context.EmitLdvectmp2();
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.Subtract), types));
context.Emit(OpCodes.Dup);
VectorHelper.EmitCall(context, nameof(VectorHelper.VectorSingleZero));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.CompareGreaterThan), types));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.And), types));
context.EmitStvectmp();
context.EmitLdvectmp();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertToVector128Int32), typesRndCvt));
context.EmitLdvectmp();
context.EmitLdvectmp2();
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.CompareGreaterThanOrEqual), types));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.Xor), types));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Add), typesAdd));
context.EmitStvec(op.Rd);
if (scalar)
{
EmitVectorZero32_128(context, op.Rd);
}
else if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
else /* if (sizeF == 1) */
{
Type[] types = new Type[] { typeof(Vector128<double>), typeof(Vector128<double>) };
Type[] typesAdd = new Type[] { typeof(Vector128<long>), typeof(Vector128<long>) };
Type[] typesRndCvt = new Type[] { typeof(Vector128<double>) };
Type[] typesSv = new Type[] { typeof(long), typeof(long) };
Type[] typesSav = new Type[] { typeof(long) };
context.EmitLdvec(op.Rn);
context.EmitLdvec(op.Rn);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.CompareOrdered), types));
context.EmitLdvec(op.Rn);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.And), types));
if (op is OpCodeSimdShImm64 fixedOp)
{
int fBits = GetImmShr(fixedOp);
// BitConverter.Int64BitsToDouble(fpScaled) == Math.Pow(2d, fBits)
long fpScaled = 0x3FF0000000000000L + fBits * 0x10000000000000L;
context.EmitLdc_I8(fpScaled);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Multiply), types));
}
context.EmitCall(typeof(Sse41).GetMethod(GetVectorSse41NameRnd(roundMode), typesRndCvt));
context.Emit(OpCodes.Dup);
VectorHelper.EmitCall(context, nameof(VectorHelper.VectorSingleZero));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.CompareGreaterThan), types));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.And), types));
context.EmitStvectmp();
if (!scalar)
{
context.EmitLdvectmp();
context.EmitLdvectmp();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.UnpackHigh), types));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertToInt64), typesRndCvt));
}
else
{
context.EmitLdc_I8(0L);
}
context.EmitLdvectmp();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertToInt64), typesRndCvt));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetVector128), typesSv));
context.EmitLdvectmp();
context.EmitLdc_I8(0x43E0000000000000L); // 9.2233720368547760E18d (9223372036854775808)
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitStvectmp2();
context.EmitLdvectmp2();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Subtract), types));
context.Emit(OpCodes.Dup);
VectorHelper.EmitCall(context, nameof(VectorHelper.VectorSingleZero));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.CompareGreaterThan), types));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.And), types));
context.EmitStvectmp();
if (!scalar)
{
context.EmitLdvectmp();
context.EmitLdvectmp();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.UnpackHigh), types));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertToInt64), typesRndCvt));
}
else
{
context.EmitLdc_I8(0L);
}
context.EmitLdvectmp();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertToInt64), typesRndCvt));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetVector128), typesSv));
context.EmitLdvectmp();
context.EmitLdvectmp2();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.CompareGreaterThanOrEqual), types));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Xor), types));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Add), typesAdd));
context.EmitStvec(op.Rd);
if (scalar)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
}
private static void EmitSse2cvtF_Signed(ILEmitterCtx context, bool scalar)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
Type[] typesMul = new Type[] { typeof(Vector128<float>), typeof(Vector128<float>) };
Type[] typesCvt = new Type[] { typeof(Vector128<int>) };
Type[] typesSav = new Type[] { typeof(int) };
context.EmitLdvec(op.Rn);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertToVector128Single), typesCvt));
if (op is OpCodeSimdShImm64 fixedOp)
{
int fBits = GetImmShr(fixedOp);
// BitConverter.Int32BitsToSingle(fpScaled) == 1f / MathF.Pow(2f, fBits)
int fpScaled = 0x3F800000 - fBits * 0x800000;
context.EmitLdc_I4(fpScaled);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.Multiply), typesMul));
}
context.EmitStvec(op.Rd);
if (scalar)
{
EmitVectorZero32_128(context, op.Rd);
}
else if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
private static void EmitSse2cvtF_Unsigned(ILEmitterCtx context, bool scalar)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
Type[] typesMulAdd = new Type[] { typeof(Vector128<float>), typeof(Vector128<float>) };
Type[] typesSrlSll = new Type[] { typeof(Vector128<int>), typeof(byte) };
Type[] typesCvt = new Type[] { typeof(Vector128<int>) };
Type[] typesSav = new Type[] { typeof(int) };
context.EmitLdvec(op.Rn);
context.EmitLdc_I4(16);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical), typesSrlSll));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertToVector128Single), typesCvt));
context.EmitLdc_I4(0x47800000); // 65536.0f (1 << 16)
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.Multiply), typesMulAdd));
context.EmitLdvec(op.Rn);
context.EmitLdc_I4(16);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftLeftLogical), typesSrlSll));
context.EmitLdc_I4(16);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical), typesSrlSll));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertToVector128Single), typesCvt));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.Add), typesMulAdd));
if (op is OpCodeSimdShImm64 fixedOp)
{
int fBits = GetImmShr(fixedOp);
// BitConverter.Int32BitsToSingle(fpScaled) == 1f / MathF.Pow(2f, fBits)
int fpScaled = 0x3F800000 - fBits * 0x800000;
context.EmitLdc_I4(fpScaled);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.Multiply), typesMulAdd));
}
context.EmitStvec(op.Rd);
if (scalar)
{
EmitVectorZero32_128(context, op.Rd);
}
else if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
private static string GetScalarSse41NameRnd(RoundMode roundMode)
{
switch (roundMode)
{
case RoundMode.ToNearest:
return nameof(Sse41.RoundToNearestIntegerScalar); // even
case RoundMode.TowardsPlusInfinity:
return nameof(Sse41.RoundToPositiveInfinityScalar);
case RoundMode.TowardsMinusInfinity:
return nameof(Sse41.RoundToNegativeInfinityScalar);
default: /* case RoundMode.TowardsZero: */
return nameof(Sse41.RoundToZeroScalar);
}
}
private static string GetVectorSse41NameRnd(RoundMode roundMode)
{
switch (roundMode)
{
case RoundMode.ToNearest:
return nameof(Sse41.RoundToNearestInteger); // even
case RoundMode.TowardsPlusInfinity:
return nameof(Sse41.RoundToPositiveInfinity);
case RoundMode.TowardsMinusInfinity:
return nameof(Sse41.RoundToNegativeInfinity);
default: /* case RoundMode.TowardsZero: */
return nameof(Sse41.RoundToZero);
}
}
}
}