Ryujinx/ChocolArm64/Instructions/InstEmitSimdArithmetic.cs

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// https://github.com/intel/ARM_NEON_2_x86_SSE/blob/master/NEON_2_SSE.h
using ChocolArm64.Decoders;
using ChocolArm64.State;
using ChocolArm64.Translation;
using System;
using System.Reflection;
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 Abs_S(ILEmitterCtx context)
{
EmitScalarUnaryOpSx(context, () => EmitAbs(context));
}
public static void Abs_V(ILEmitterCtx context)
{
EmitVectorUnaryOpSx(context, () => EmitAbs(context));
}
public static void Add_S(ILEmitterCtx context)
{
EmitScalarBinaryOpZx(context, () => context.Emit(OpCodes.Add));
}
public static void Add_V(ILEmitterCtx context)
{
if (Optimizations.UseSse2)
{
EmitSse2Op(context, nameof(Sse2.Add));
}
else
{
EmitVectorBinaryOpZx(context, () => context.Emit(OpCodes.Add));
}
}
public static void Addhn_V(ILEmitterCtx context)
{
EmitHighNarrow(context, () => context.Emit(OpCodes.Add), round: false);
}
public static void Addp_S(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
EmitVectorExtractZx(context, op.Rn, 0, op.Size);
EmitVectorExtractZx(context, op.Rn, 1, op.Size);
context.Emit(OpCodes.Add);
EmitScalarSet(context, op.Rd, op.Size);
}
public static void Addp_V(ILEmitterCtx context)
{
EmitVectorPairwiseOpZx(context, () => context.Emit(OpCodes.Add));
}
public static void Addv_V(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int bytes = op.GetBitsCount() >> 3;
int elems = bytes >> op.Size;
EmitVectorExtractZx(context, op.Rn, 0, op.Size);
for (int index = 1; index < elems; index++)
{
EmitVectorExtractZx(context, op.Rn, index, op.Size);
context.Emit(OpCodes.Add);
}
EmitScalarSet(context, op.Rd, op.Size);
}
public static void Cls_V(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int bytes = op.GetBitsCount() >> 3;
int elems = bytes >> op.Size;
int eSize = 8 << op.Size;
for (int index = 0; index < elems; index++)
{
EmitVectorExtractZx(context, op.Rn, index, op.Size);
context.EmitLdc_I4(eSize);
SoftFallback.EmitCall(context, nameof(SoftFallback.CountLeadingSigns));
EmitVectorInsert(context, op.Rd, index, op.Size);
}
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
public static void Clz_V(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int bytes = op.GetBitsCount() >> 3;
int elems = bytes >> op.Size;
int eSize = 8 << op.Size;
for (int index = 0; index < elems; index++)
{
EmitVectorExtractZx(context, op.Rn, index, op.Size);
if (Lzcnt.IsSupported && eSize == 32)
{
context.Emit(OpCodes.Conv_U4);
context.EmitCall(typeof(Lzcnt).GetMethod(nameof(Lzcnt.LeadingZeroCount), new Type[] { typeof(uint) }));
context.Emit(OpCodes.Conv_U8);
}
else
{
context.EmitLdc_I4(eSize);
SoftFallback.EmitCall(context, nameof(SoftFallback.CountLeadingZeros));
}
EmitVectorInsert(context, op.Rd, index, op.Size);
}
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
public static void Cnt_V(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int elems = op.RegisterSize == RegisterSize.Simd128 ? 16 : 8;
for (int index = 0; index < elems; index++)
{
EmitVectorExtractZx(context, op.Rn, index, 0);
if (Popcnt.IsSupported)
{
context.EmitCall(typeof(Popcnt).GetMethod(nameof(Popcnt.PopCount), new Type[] { typeof(ulong) }));
}
else
{
SoftFallback.EmitCall(context, nameof(SoftFallback.CountSetBits8));
}
EmitVectorInsert(context, op.Rd, index, 0);
}
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
public static void Fabd_S(ILEmitterCtx context)
{
EmitScalarBinaryOpF(context, () =>
{
context.Emit(OpCodes.Sub);
EmitUnaryMathCall(context, nameof(Math.Abs));
});
}
public static void Fabs_S(ILEmitterCtx context)
{
EmitScalarUnaryOpF(context, () =>
{
EmitUnaryMathCall(context, nameof(Math.Abs));
});
}
public static void Fabs_V(ILEmitterCtx context)
{
EmitVectorUnaryOpF(context, () =>
{
EmitUnaryMathCall(context, nameof(Math.Abs));
});
}
public static void Fadd_S(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse
&& Optimizations.UseSse2)
{
EmitScalarSseOrSse2OpF(context, nameof(Sse.AddScalar));
}
else
{
EmitScalarBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPAdd));
});
}
}
public static void Fadd_V(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse
&& Optimizations.UseSse2)
{
EmitVectorSseOrSse2OpF(context, nameof(Sse.Add));
}
else
{
EmitVectorBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPAdd));
});
}
}
public static void Faddp_S(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int sizeF = op.Size & 1;
EmitVectorExtractF(context, op.Rn, 0, sizeF);
EmitVectorExtractF(context, op.Rn, 1, sizeF);
context.Emit(OpCodes.Add);
EmitScalarSetF(context, op.Rd, sizeF);
}
public static void Faddp_V(ILEmitterCtx context)
{
EmitVectorPairwiseOpF(context, () => context.Emit(OpCodes.Add));
}
public static void Fdiv_S(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse
&& Optimizations.UseSse2)
{
EmitScalarSseOrSse2OpF(context, nameof(Sse.DivideScalar));
}
else
{
EmitScalarBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPDiv));
});
}
}
public static void Fdiv_V(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse
&& Optimizations.UseSse2)
{
EmitVectorSseOrSse2OpF(context, nameof(Sse.Divide));
}
else
{
EmitVectorBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPDiv));
});
}
}
public static void Fmadd_S(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse2)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
if (op.Size == 0)
{
Type[] typesMulAdd = new Type[] { typeof(Vector128<float>), typeof(Vector128<float>) };
context.EmitLdvec(op.Ra);
context.EmitLdvec(op.Rn);
context.EmitLdvec(op.Rm);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.MultiplyScalar), typesMulAdd));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.AddScalar), typesMulAdd));
context.EmitStvec(op.Rd);
EmitVectorZero32_128(context, op.Rd);
}
else /* if (op.Size == 1) */
{
Type[] typesMulAdd = new Type[] { typeof(Vector128<double>), typeof(Vector128<double>) };
EmitLdvecWithCastToDouble(context, op.Ra);
EmitLdvecWithCastToDouble(context, op.Rn);
EmitLdvecWithCastToDouble(context, op.Rm);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.MultiplyScalar), typesMulAdd));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.AddScalar), typesMulAdd));
EmitStvecWithCastFromDouble(context, op.Rd);
EmitVectorZeroUpper(context, op.Rd);
}
}
else
{
EmitScalarTernaryRaOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMulAdd));
});
}
}
public static void Fmax_S(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse
&& Optimizations.UseSse2)
{
EmitScalarSseOrSse2OpF(context, nameof(Sse.MaxScalar));
}
else
{
EmitScalarBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMax));
});
}
}
public static void Fmax_V(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse
&& Optimizations.UseSse2)
{
EmitVectorSseOrSse2OpF(context, nameof(Sse.Max));
}
else
{
EmitVectorBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMax));
});
}
}
public static void Fmaxnm_S(ILEmitterCtx context)
{
EmitScalarBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMaxNum));
});
}
public static void Fmaxnm_V(ILEmitterCtx context)
{
EmitVectorBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMaxNum));
});
}
public static void Fmaxp_V(ILEmitterCtx context)
{
EmitVectorPairwiseOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMax));
});
}
public static void Fmin_S(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse
&& Optimizations.UseSse2)
{
EmitScalarSseOrSse2OpF(context, nameof(Sse.MinScalar));
}
else
{
EmitScalarBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMin));
});
}
}
public static void Fmin_V(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse
&& Optimizations.UseSse2)
{
EmitVectorSseOrSse2OpF(context, nameof(Sse.Min));
}
else
{
EmitVectorBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMin));
});
}
}
public static void Fminnm_S(ILEmitterCtx context)
{
EmitScalarBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMinNum));
});
}
public static void Fminnm_V(ILEmitterCtx context)
{
EmitVectorBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMinNum));
});
}
public static void Fminp_V(ILEmitterCtx context)
{
EmitVectorPairwiseOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMin));
});
}
public static void Fmla_Se(ILEmitterCtx context)
{
EmitScalarTernaryOpByElemF(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Add);
});
}
public static void Fmla_V(ILEmitterCtx context)
{
EmitVectorTernaryOpF(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Add);
});
}
public static void Fmla_Ve(ILEmitterCtx context)
{
EmitVectorTernaryOpByElemF(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Add);
});
}
public static void Fmls_Se(ILEmitterCtx context)
{
EmitScalarTernaryOpByElemF(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Sub);
});
}
public static void Fmls_V(ILEmitterCtx context)
{
EmitVectorTernaryOpF(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Sub);
});
}
public static void Fmls_Ve(ILEmitterCtx context)
{
EmitVectorTernaryOpByElemF(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Sub);
});
}
public static void Fmsub_S(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse2)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
if (op.Size == 0)
{
Type[] typesMulSub = new Type[] { typeof(Vector128<float>), typeof(Vector128<float>) };
context.EmitLdvec(op.Ra);
context.EmitLdvec(op.Rn);
context.EmitLdvec(op.Rm);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.MultiplyScalar), typesMulSub));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.SubtractScalar), typesMulSub));
context.EmitStvec(op.Rd);
EmitVectorZero32_128(context, op.Rd);
}
else /* if (op.Size == 1) */
{
Type[] typesMulSub = new Type[] { typeof(Vector128<double>), typeof(Vector128<double>) };
EmitLdvecWithCastToDouble(context, op.Ra);
EmitLdvecWithCastToDouble(context, op.Rn);
EmitLdvecWithCastToDouble(context, op.Rm);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.MultiplyScalar), typesMulSub));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SubtractScalar), typesMulSub));
EmitStvecWithCastFromDouble(context, op.Rd);
EmitVectorZeroUpper(context, op.Rd);
}
}
else
{
EmitScalarTernaryRaOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMulSub));
});
}
}
public static void Fmul_S(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse
&& Optimizations.UseSse2)
{
EmitScalarSseOrSse2OpF(context, nameof(Sse.MultiplyScalar));
}
else
{
EmitScalarBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMul));
});
}
}
public static void Fmul_Se(ILEmitterCtx context)
{
EmitScalarBinaryOpByElemF(context, () => context.Emit(OpCodes.Mul));
}
public static void Fmul_V(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse
&& Optimizations.UseSse2)
{
EmitVectorSseOrSse2OpF(context, nameof(Sse.Multiply));
}
else
{
EmitVectorBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMul));
});
}
}
public static void Fmul_Ve(ILEmitterCtx context)
{
EmitVectorBinaryOpByElemF(context, () => context.Emit(OpCodes.Mul));
}
public static void Fmulx_S(ILEmitterCtx context)
{
EmitScalarBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMulX));
});
}
public static void Fmulx_Se(ILEmitterCtx context)
{
EmitScalarBinaryOpByElemF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMulX));
});
}
public static void Fmulx_V(ILEmitterCtx context)
{
EmitVectorBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMulX));
});
}
public static void Fmulx_Ve(ILEmitterCtx context)
{
EmitVectorBinaryOpByElemF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPMulX));
});
}
public static void Fneg_S(ILEmitterCtx context)
{
EmitScalarUnaryOpF(context, () => context.Emit(OpCodes.Neg));
}
public static void Fneg_V(ILEmitterCtx context)
{
EmitVectorUnaryOpF(context, () => context.Emit(OpCodes.Neg));
}
public static void Fnmadd_S(ILEmitterCtx context)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
int sizeF = op.Size & 1;
EmitVectorExtractF(context, op.Rn, 0, sizeF);
context.Emit(OpCodes.Neg);
EmitVectorExtractF(context, op.Rm, 0, sizeF);
context.Emit(OpCodes.Mul);
EmitVectorExtractF(context, op.Ra, 0, sizeF);
context.Emit(OpCodes.Sub);
EmitScalarSetF(context, op.Rd, sizeF);
}
public static void Fnmsub_S(ILEmitterCtx context)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
int sizeF = op.Size & 1;
EmitVectorExtractF(context, op.Rn, 0, sizeF);
EmitVectorExtractF(context, op.Rm, 0, sizeF);
context.Emit(OpCodes.Mul);
EmitVectorExtractF(context, op.Ra, 0, sizeF);
context.Emit(OpCodes.Sub);
EmitScalarSetF(context, op.Rd, sizeF);
}
public static void Fnmul_S(ILEmitterCtx context)
{
EmitScalarBinaryOpF(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Neg);
});
}
public static void Frecpe_S(ILEmitterCtx context)
{
EmitScalarUnaryOpF(context, () =>
{
EmitUnarySoftFloatCall(context, nameof(SoftFloat.RecipEstimate));
});
}
public static void Frecpe_V(ILEmitterCtx context)
{
EmitVectorUnaryOpF(context, () =>
{
EmitUnarySoftFloatCall(context, nameof(SoftFloat.RecipEstimate));
});
}
public static void Frecps_S(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse2)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
int sizeF = op.Size & 1;
if (sizeF == 0)
{
Type[] typesSsv = new Type[] { typeof(float) };
Type[] typesMulSub = new Type[] { typeof(Vector128<float>), typeof(Vector128<float>) };
context.EmitLdc_R4(2f);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.SetScalarVector128), typesSsv));
context.EmitLdvec(op.Rn);
context.EmitLdvec(op.Rm);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.MultiplyScalar), typesMulSub));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.SubtractScalar), typesMulSub));
context.EmitStvec(op.Rd);
EmitVectorZero32_128(context, op.Rd);
}
else /* if (sizeF == 1) */
{
Type[] typesSsv = new Type[] { typeof(double) };
Type[] typesMulSub = new Type[] { typeof(Vector128<double>), typeof(Vector128<double>) };
context.EmitLdc_R8(2d);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetScalarVector128), typesSsv));
EmitLdvecWithCastToDouble(context, op.Rn);
EmitLdvecWithCastToDouble(context, op.Rm);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.MultiplyScalar), typesMulSub));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SubtractScalar), typesMulSub));
EmitStvecWithCastFromDouble(context, op.Rd);
EmitVectorZeroUpper(context, op.Rd);
}
}
else
{
EmitScalarBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPRecipStepFused));
});
}
}
public static void Frecps_V(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse2)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
int sizeF = op.Size & 1;
if (sizeF == 0)
{
Type[] typesSav = new Type[] { typeof(float) };
Type[] typesMulSub = new Type[] { typeof(Vector128<float>), typeof(Vector128<float>) };
context.EmitLdc_R4(2f);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.SetAllVector128), typesSav));
context.EmitLdvec(op.Rn);
context.EmitLdvec(op.Rm);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.Multiply), typesMulSub));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.Subtract), typesMulSub));
context.EmitStvec(op.Rd);
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
else /* if (sizeF == 1) */
{
Type[] typesSav = new Type[] { typeof(double) };
Type[] typesMulSub = new Type[] { typeof(Vector128<double>), typeof(Vector128<double>) };
context.EmitLdc_R8(2d);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
EmitLdvecWithCastToDouble(context, op.Rn);
EmitLdvecWithCastToDouble(context, op.Rm);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Multiply), typesMulSub));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Subtract), typesMulSub));
EmitStvecWithCastFromDouble(context, op.Rd);
}
}
else
{
EmitVectorBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPRecipStepFused));
});
}
}
public static void Frecpx_S(ILEmitterCtx context)
{
EmitScalarUnaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPRecpX));
});
}
public static void Frinta_S(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
EmitVectorExtractF(context, op.Rn, 0, op.Size);
EmitRoundMathCall(context, MidpointRounding.AwayFromZero);
EmitScalarSetF(context, op.Rd, op.Size);
}
public static void Frinta_V(ILEmitterCtx context)
{
EmitVectorUnaryOpF(context, () =>
{
EmitRoundMathCall(context, MidpointRounding.AwayFromZero);
});
}
public static void Frinti_S(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
EmitScalarUnaryOpF(context, () =>
{
context.EmitLdarg(TranslatedSub.StateArgIdx);
if (op.Size == 0)
{
VectorHelper.EmitCall(context, nameof(VectorHelper.RoundF));
}
else if (op.Size == 1)
{
VectorHelper.EmitCall(context, nameof(VectorHelper.Round));
}
else
{
throw new InvalidOperationException();
}
});
}
public static void Frinti_V(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int sizeF = op.Size & 1;
EmitVectorUnaryOpF(context, () =>
{
context.EmitLdarg(TranslatedSub.StateArgIdx);
if (sizeF == 0)
{
VectorHelper.EmitCall(context, nameof(VectorHelper.RoundF));
}
else if (sizeF == 1)
{
VectorHelper.EmitCall(context, nameof(VectorHelper.Round));
}
else
{
throw new InvalidOperationException();
}
});
}
public static void Frintm_S(ILEmitterCtx context)
{
EmitScalarUnaryOpF(context, () =>
{
EmitUnaryMathCall(context, nameof(Math.Floor));
});
}
public static void Frintm_V(ILEmitterCtx context)
{
EmitVectorUnaryOpF(context, () =>
{
EmitUnaryMathCall(context, nameof(Math.Floor));
});
}
public static void Frintn_S(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
EmitVectorExtractF(context, op.Rn, 0, op.Size);
EmitRoundMathCall(context, MidpointRounding.ToEven);
EmitScalarSetF(context, op.Rd, op.Size);
}
public static void Frintn_V(ILEmitterCtx context)
{
EmitVectorUnaryOpF(context, () =>
{
EmitRoundMathCall(context, MidpointRounding.ToEven);
});
}
public static void Frintp_S(ILEmitterCtx context)
{
EmitScalarUnaryOpF(context, () =>
{
EmitUnaryMathCall(context, nameof(Math.Ceiling));
});
}
public static void Frintp_V(ILEmitterCtx context)
{
EmitVectorUnaryOpF(context, () =>
{
EmitUnaryMathCall(context, nameof(Math.Ceiling));
});
}
public static void Frintx_S(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
EmitScalarUnaryOpF(context, () =>
{
context.EmitLdarg(TranslatedSub.StateArgIdx);
if (op.Size == 0)
{
VectorHelper.EmitCall(context, nameof(VectorHelper.RoundF));
}
else if (op.Size == 1)
{
VectorHelper.EmitCall(context, nameof(VectorHelper.Round));
}
else
{
throw new InvalidOperationException();
}
});
}
public static void Frintx_V(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
EmitVectorUnaryOpF(context, () =>
{
context.EmitLdarg(TranslatedSub.StateArgIdx);
if (op.Size == 0)
{
VectorHelper.EmitCall(context, nameof(VectorHelper.RoundF));
}
else if (op.Size == 1)
{
VectorHelper.EmitCall(context, nameof(VectorHelper.Round));
}
else
{
throw new InvalidOperationException();
}
});
}
public static void Frsqrte_S(ILEmitterCtx context)
{
EmitScalarUnaryOpF(context, () =>
{
EmitUnarySoftFloatCall(context, nameof(SoftFloat.InvSqrtEstimate));
});
}
public static void Frsqrte_V(ILEmitterCtx context)
{
EmitVectorUnaryOpF(context, () =>
{
EmitUnarySoftFloatCall(context, nameof(SoftFloat.InvSqrtEstimate));
});
}
public static void Frsqrts_S(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse2)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
int sizeF = op.Size & 1;
if (sizeF == 0)
{
Type[] typesSsv = new Type[] { typeof(float) };
Type[] typesMulSub = new Type[] { typeof(Vector128<float>), typeof(Vector128<float>) };
context.EmitLdc_R4(0.5f);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.SetScalarVector128), typesSsv));
context.EmitLdc_R4(3f);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.SetScalarVector128), typesSsv));
context.EmitLdvec(op.Rn);
context.EmitLdvec(op.Rm);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.MultiplyScalar), typesMulSub));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.SubtractScalar), typesMulSub));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.MultiplyScalar), typesMulSub));
context.EmitStvec(op.Rd);
EmitVectorZero32_128(context, op.Rd);
}
else /* if (sizeF == 1) */
{
Type[] typesSsv = new Type[] { typeof(double) };
Type[] typesMulSub = new Type[] { typeof(Vector128<double>), typeof(Vector128<double>) };
context.EmitLdc_R8(0.5d);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetScalarVector128), typesSsv));
context.EmitLdc_R8(3d);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetScalarVector128), typesSsv));
EmitLdvecWithCastToDouble(context, op.Rn);
EmitLdvecWithCastToDouble(context, op.Rm);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.MultiplyScalar), typesMulSub));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SubtractScalar), typesMulSub));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.MultiplyScalar), typesMulSub));
EmitStvecWithCastFromDouble(context, op.Rd);
EmitVectorZeroUpper(context, op.Rd);
}
}
else
{
EmitScalarBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPRSqrtStepFused));
});
}
}
public static void Frsqrts_V(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse2)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
int sizeF = op.Size & 1;
if (sizeF == 0)
{
Type[] typesSav = new Type[] { typeof(float) };
Type[] typesMulSub = new Type[] { typeof(Vector128<float>), typeof(Vector128<float>) };
context.EmitLdc_R4(0.5f);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.SetAllVector128), typesSav));
context.EmitLdc_R4(3f);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.SetAllVector128), typesSav));
context.EmitLdvec(op.Rn);
context.EmitLdvec(op.Rm);
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.Multiply), typesMulSub));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.Subtract), typesMulSub));
context.EmitCall(typeof(Sse).GetMethod(nameof(Sse.Multiply), typesMulSub));
context.EmitStvec(op.Rd);
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
else /* if (sizeF == 1) */
{
Type[] typesSav = new Type[] { typeof(double) };
Type[] typesMulSub = new Type[] { typeof(Vector128<double>), typeof(Vector128<double>) };
context.EmitLdc_R8(0.5d);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitLdc_R8(3d);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
EmitLdvecWithCastToDouble(context, op.Rn);
EmitLdvecWithCastToDouble(context, op.Rm);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Multiply), typesMulSub));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Subtract), typesMulSub));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Multiply), typesMulSub));
EmitStvecWithCastFromDouble(context, op.Rd);
}
}
else
{
EmitVectorBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPRSqrtStepFused));
});
}
}
public static void Fsqrt_S(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse
&& Optimizations.UseSse2)
{
EmitScalarSseOrSse2OpF(context, nameof(Sse.SqrtScalar));
}
else
{
EmitScalarUnaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPSqrt));
});
}
}
public static void Fsqrt_V(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse
&& Optimizations.UseSse2)
{
EmitVectorSseOrSse2OpF(context, nameof(Sse.Sqrt));
}
else
{
EmitVectorUnaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPSqrt));
});
}
}
public static void Fsub_S(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse
&& Optimizations.UseSse2)
{
EmitScalarSseOrSse2OpF(context, nameof(Sse.SubtractScalar));
}
else
{
EmitScalarBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPSub));
});
}
}
public static void Fsub_V(ILEmitterCtx context)
{
if (Optimizations.FastFP && Optimizations.UseSse
&& Optimizations.UseSse2)
{
EmitVectorSseOrSse2OpF(context, nameof(Sse.Subtract));
}
else
{
EmitVectorBinaryOpF(context, () =>
{
EmitSoftFloatCall(context, nameof(SoftFloat32.FPSub));
});
}
}
public static void Mla_V(ILEmitterCtx context)
{
EmitVectorTernaryOpZx(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Add);
});
}
public static void Mla_Ve(ILEmitterCtx context)
{
EmitVectorTernaryOpByElemZx(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Add);
});
}
public static void Mls_V(ILEmitterCtx context)
{
EmitVectorTernaryOpZx(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Sub);
});
}
public static void Mls_Ve(ILEmitterCtx context)
{
EmitVectorTernaryOpByElemZx(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Sub);
});
}
public static void Mul_V(ILEmitterCtx context)
{
EmitVectorBinaryOpZx(context, () => context.Emit(OpCodes.Mul));
}
public static void Mul_Ve(ILEmitterCtx context)
{
EmitVectorBinaryOpByElemZx(context, () => context.Emit(OpCodes.Mul));
}
public static void Neg_S(ILEmitterCtx context)
{
EmitScalarUnaryOpSx(context, () => context.Emit(OpCodes.Neg));
}
public static void Neg_V(ILEmitterCtx context)
{
EmitVectorUnaryOpSx(context, () => context.Emit(OpCodes.Neg));
}
public static void Raddhn_V(ILEmitterCtx context)
{
EmitHighNarrow(context, () => context.Emit(OpCodes.Add), round: true);
}
public static void Rsubhn_V(ILEmitterCtx context)
{
EmitHighNarrow(context, () => context.Emit(OpCodes.Sub), round: true);
}
public static void Saba_V(ILEmitterCtx context)
{
EmitVectorTernaryOpSx(context, () =>
{
context.Emit(OpCodes.Sub);
EmitAbs(context);
context.Emit(OpCodes.Add);
});
}
public static void Sabal_V(ILEmitterCtx context)
{
EmitVectorWidenRnRmTernaryOpSx(context, () =>
{
context.Emit(OpCodes.Sub);
EmitAbs(context);
context.Emit(OpCodes.Add);
});
}
public static void Sabd_V(ILEmitterCtx context)
{
EmitVectorBinaryOpSx(context, () =>
{
context.Emit(OpCodes.Sub);
EmitAbs(context);
});
}
public static void Sabdl_V(ILEmitterCtx context)
{
EmitVectorWidenRnRmBinaryOpSx(context, () =>
{
context.Emit(OpCodes.Sub);
EmitAbs(context);
});
}
public static void Sadalp_V(ILEmitterCtx context)
{
EmitAddLongPairwise(context, signed: true, accumulate: true);
}
public static void Saddl_V(ILEmitterCtx context)
{
if (Optimizations.UseSse41)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
Type[] typesSrl = new Type[] { VectorIntTypesPerSizeLog2[op.Size], typeof(byte) };
Type[] typesCvt = new Type[] { VectorIntTypesPerSizeLog2[op.Size] };
Type[] typesAdd = new Type[] { VectorIntTypesPerSizeLog2[op.Size + 1],
VectorIntTypesPerSizeLog2[op.Size + 1] };
string[] namesCvt = new string[] { nameof(Sse41.ConvertToVector128Int16),
nameof(Sse41.ConvertToVector128Int32),
nameof(Sse41.ConvertToVector128Int64) };
int numBytes = op.RegisterSize == RegisterSize.Simd128 ? 8 : 0;
EmitLdvecWithSignedCast(context, op.Rn, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(namesCvt[op.Size], typesCvt));
EmitLdvecWithUnsignedCast(context, op.Rm, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(namesCvt[op.Size], typesCvt));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Add), typesAdd));
EmitStvecWithSignedCast(context, op.Rd, op.Size + 1);
}
else
{
EmitVectorWidenRnRmBinaryOpSx(context, () => context.Emit(OpCodes.Add));
}
}
public static void Saddlp_V(ILEmitterCtx context)
{
EmitAddLongPairwise(context, signed: true, accumulate: false);
}
public static void Saddw_V(ILEmitterCtx context)
{
EmitVectorWidenRmBinaryOpSx(context, () => context.Emit(OpCodes.Add));
}
public static void Shadd_V(ILEmitterCtx context)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
if (Optimizations.UseSse2 && op.Size > 0)
{
Type[] typesSra = new Type[] { VectorIntTypesPerSizeLog2[op.Size], typeof(byte) };
Type[] typesAndXorAdd = new Type[] { VectorIntTypesPerSizeLog2[op.Size], VectorIntTypesPerSizeLog2[op.Size] };
EmitLdvecWithSignedCast(context, op.Rn, op.Size);
context.Emit(OpCodes.Dup);
context.EmitStvectmp();
EmitLdvecWithSignedCast(context, op.Rm, op.Size);
context.Emit(OpCodes.Dup);
context.EmitStvectmp2();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.And), typesAndXorAdd));
context.EmitLdvectmp();
context.EmitLdvectmp2();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Xor), typesAndXorAdd));
context.EmitLdc_I4(1);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightArithmetic), typesSra));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Add), typesAndXorAdd));
EmitStvecWithSignedCast(context, op.Rd, op.Size);
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
else
{
EmitVectorBinaryOpSx(context, () =>
{
context.Emit(OpCodes.Add);
context.Emit(OpCodes.Ldc_I4_1);
context.Emit(OpCodes.Shr);
});
}
}
public static void Shsub_V(ILEmitterCtx context)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
if (Optimizations.UseSse2 && op.Size < 2)
{
Type[] typesSav = new Type[] { IntTypesPerSizeLog2[op.Size] };
Type[] typesAddSub = new Type[] { VectorIntTypesPerSizeLog2 [op.Size], VectorIntTypesPerSizeLog2 [op.Size] };
Type[] typesAvg = new Type[] { VectorUIntTypesPerSizeLog2[op.Size], VectorUIntTypesPerSizeLog2[op.Size] };
context.EmitLdc_I4(op.Size == 0 ? sbyte.MinValue : short.MinValue);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitStvectmp();
EmitLdvecWithSignedCast(context, op.Rn, op.Size);
context.EmitLdvectmp();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Add), typesAddSub));
context.Emit(OpCodes.Dup);
EmitLdvecWithSignedCast(context, op.Rm, op.Size);
context.EmitLdvectmp();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Add), typesAddSub));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Average), typesAvg));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Subtract), typesAddSub));
EmitStvecWithSignedCast(context, op.Rd, op.Size);
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
else
{
EmitVectorBinaryOpSx(context, () =>
{
context.Emit(OpCodes.Sub);
context.Emit(OpCodes.Ldc_I4_1);
context.Emit(OpCodes.Shr);
});
}
}
public static void Smax_V(ILEmitterCtx context)
{
Type[] types = new Type[] { typeof(long), typeof(long) };
MethodInfo mthdInfo = typeof(Math).GetMethod(nameof(Math.Max), types);
EmitVectorBinaryOpSx(context, () => context.EmitCall(mthdInfo));
}
public static void Smaxp_V(ILEmitterCtx context)
{
Type[] types = new Type[] { typeof(long), typeof(long) };
MethodInfo mthdInfo = typeof(Math).GetMethod(nameof(Math.Max), types);
EmitVectorPairwiseOpSx(context, () => context.EmitCall(mthdInfo));
}
public static void Smin_V(ILEmitterCtx context)
{
Type[] types = new Type[] { typeof(long), typeof(long) };
MethodInfo mthdInfo = typeof(Math).GetMethod(nameof(Math.Min), types);
EmitVectorBinaryOpSx(context, () => context.EmitCall(mthdInfo));
}
public static void Sminp_V(ILEmitterCtx context)
{
Type[] types = new Type[] { typeof(long), typeof(long) };
MethodInfo mthdInfo = typeof(Math).GetMethod(nameof(Math.Min), types);
EmitVectorPairwiseOpSx(context, () => context.EmitCall(mthdInfo));
}
public static void Smlal_V(ILEmitterCtx context)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
if (Optimizations.UseSse41 && op.Size < 2)
{
Type[] typesSrl = new Type[] { VectorIntTypesPerSizeLog2[op.Size], typeof(byte) };
Type[] typesCvt = new Type[] { VectorIntTypesPerSizeLog2[op.Size] };
Type[] typesMulAdd = new Type[] { VectorIntTypesPerSizeLog2[op.Size + 1],
VectorIntTypesPerSizeLog2[op.Size + 1] };
Type typeMul = op.Size == 0 ? typeof(Sse2) : typeof(Sse41);
string nameCvt = op.Size == 0
? nameof(Sse41.ConvertToVector128Int16)
: nameof(Sse41.ConvertToVector128Int32);
int numBytes = op.RegisterSize == RegisterSize.Simd128 ? 8 : 0;
EmitLdvecWithSignedCast(context, op.Rd, op.Size + 1);
EmitLdvecWithSignedCast(context, op.Rn, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(nameCvt, typesCvt));
EmitLdvecWithSignedCast(context, op.Rm, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(nameCvt, typesCvt));
context.EmitCall(typeMul.GetMethod(nameof(Sse2.MultiplyLow), typesMulAdd));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Add), typesMulAdd));
EmitStvecWithSignedCast(context, op.Rd, op.Size + 1);
}
else
{
EmitVectorWidenRnRmTernaryOpSx(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Add);
});
}
}
public static void Smlsl_V(ILEmitterCtx context)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
if (Optimizations.UseSse41 && op.Size < 2)
{
Type[] typesSrl = new Type[] { VectorIntTypesPerSizeLog2[op.Size], typeof(byte) };
Type[] typesCvt = new Type[] { VectorIntTypesPerSizeLog2[op.Size] };
Type[] typesMulSub = new Type[] { VectorIntTypesPerSizeLog2[op.Size + 1],
VectorIntTypesPerSizeLog2[op.Size + 1] };
Type typeMul = op.Size == 0 ? typeof(Sse2) : typeof(Sse41);
string nameCvt = op.Size == 0
? nameof(Sse41.ConvertToVector128Int16)
: nameof(Sse41.ConvertToVector128Int32);
int numBytes = op.RegisterSize == RegisterSize.Simd128 ? 8 : 0;
EmitLdvecWithSignedCast(context, op.Rd, op.Size + 1);
EmitLdvecWithSignedCast(context, op.Rn, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(nameCvt, typesCvt));
EmitLdvecWithSignedCast(context, op.Rm, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(nameCvt, typesCvt));
context.EmitCall(typeMul.GetMethod(nameof(Sse2.MultiplyLow), typesMulSub));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Subtract), typesMulSub));
EmitStvecWithSignedCast(context, op.Rd, op.Size + 1);
}
else
{
EmitVectorWidenRnRmTernaryOpSx(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Sub);
});
}
}
public static void Smull_V(ILEmitterCtx context)
{
EmitVectorWidenRnRmBinaryOpSx(context, () => context.Emit(OpCodes.Mul));
}
public static void Sqabs_S(ILEmitterCtx context)
{
EmitScalarSaturatingUnaryOpSx(context, () => EmitAbs(context));
}
public static void Sqabs_V(ILEmitterCtx context)
{
EmitVectorSaturatingUnaryOpSx(context, () => EmitAbs(context));
}
public static void Sqadd_S(ILEmitterCtx context)
{
EmitScalarSaturatingBinaryOpSx(context, SaturatingFlags.Add);
}
public static void Sqadd_V(ILEmitterCtx context)
{
EmitVectorSaturatingBinaryOpSx(context, SaturatingFlags.Add);
}
public static void Sqdmulh_S(ILEmitterCtx context)
{
EmitSaturatingBinaryOp(context, () => EmitDoublingMultiplyHighHalf(context, round: false), SaturatingFlags.ScalarSx);
}
public static void Sqdmulh_V(ILEmitterCtx context)
{
EmitSaturatingBinaryOp(context, () => EmitDoublingMultiplyHighHalf(context, round: false), SaturatingFlags.VectorSx);
}
public static void Sqneg_S(ILEmitterCtx context)
{
EmitScalarSaturatingUnaryOpSx(context, () => context.Emit(OpCodes.Neg));
}
public static void Sqneg_V(ILEmitterCtx context)
{
EmitVectorSaturatingUnaryOpSx(context, () => context.Emit(OpCodes.Neg));
}
public static void Sqrdmulh_S(ILEmitterCtx context)
{
EmitSaturatingBinaryOp(context, () => EmitDoublingMultiplyHighHalf(context, round: true), SaturatingFlags.ScalarSx);
}
public static void Sqrdmulh_V(ILEmitterCtx context)
{
EmitSaturatingBinaryOp(context, () => EmitDoublingMultiplyHighHalf(context, round: true), SaturatingFlags.VectorSx);
}
public static void Sqsub_S(ILEmitterCtx context)
{
EmitScalarSaturatingBinaryOpSx(context, SaturatingFlags.Sub);
}
public static void Sqsub_V(ILEmitterCtx context)
{
EmitVectorSaturatingBinaryOpSx(context, SaturatingFlags.Sub);
}
public static void Sqxtn_S(ILEmitterCtx context)
{
EmitSaturatingNarrowOp(context, SaturatingNarrowFlags.ScalarSxSx);
}
public static void Sqxtn_V(ILEmitterCtx context)
{
EmitSaturatingNarrowOp(context, SaturatingNarrowFlags.VectorSxSx);
}
public static void Sqxtun_S(ILEmitterCtx context)
{
EmitSaturatingNarrowOp(context, SaturatingNarrowFlags.ScalarSxZx);
}
public static void Sqxtun_V(ILEmitterCtx context)
{
EmitSaturatingNarrowOp(context, SaturatingNarrowFlags.VectorSxZx);
}
public static void Srhadd_V(ILEmitterCtx context)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
if (Optimizations.UseSse2 && op.Size < 2)
{
Type[] typesSav = new Type[] { IntTypesPerSizeLog2[op.Size] };
Type[] typesSubAdd = new Type[] { VectorIntTypesPerSizeLog2 [op.Size], VectorIntTypesPerSizeLog2 [op.Size] };
Type[] typesAvg = new Type[] { VectorUIntTypesPerSizeLog2[op.Size], VectorUIntTypesPerSizeLog2[op.Size] };
context.EmitLdc_I4(op.Size == 0 ? sbyte.MinValue : short.MinValue);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.Emit(OpCodes.Dup);
context.EmitStvectmp();
EmitLdvecWithSignedCast(context, op.Rn, op.Size);
context.EmitLdvectmp();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Subtract), typesSubAdd));
EmitLdvecWithSignedCast(context, op.Rm, op.Size);
context.EmitLdvectmp();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Subtract), typesSubAdd));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Average), typesAvg));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Add), typesSubAdd));
EmitStvecWithSignedCast(context, op.Rd, op.Size);
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
else
{
EmitVectorBinaryOpSx(context, () =>
{
context.Emit(OpCodes.Add);
context.Emit(OpCodes.Ldc_I4_1);
context.Emit(OpCodes.Add);
context.Emit(OpCodes.Ldc_I4_1);
context.Emit(OpCodes.Shr);
});
}
}
public static void Ssubl_V(ILEmitterCtx context)
{
if (Optimizations.UseSse41)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
Type[] typesSrl = new Type[] { VectorIntTypesPerSizeLog2[op.Size], typeof(byte) };
Type[] typesCvt = new Type[] { VectorIntTypesPerSizeLog2[op.Size] };
Type[] typesSub = new Type[] { VectorIntTypesPerSizeLog2[op.Size + 1],
VectorIntTypesPerSizeLog2[op.Size + 1] };
string[] namesCvt = new string[] { nameof(Sse41.ConvertToVector128Int16),
nameof(Sse41.ConvertToVector128Int32),
nameof(Sse41.ConvertToVector128Int64) };
int numBytes = op.RegisterSize == RegisterSize.Simd128 ? 8 : 0;
EmitLdvecWithSignedCast(context, op.Rn, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(namesCvt[op.Size], typesCvt));
EmitLdvecWithUnsignedCast(context, op.Rm, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(namesCvt[op.Size], typesCvt));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Subtract), typesSub));
EmitStvecWithSignedCast(context, op.Rd, op.Size + 1);
}
else
{
EmitVectorWidenRnRmBinaryOpSx(context, () => context.Emit(OpCodes.Sub));
}
}
public static void Ssubw_V(ILEmitterCtx context)
{
EmitVectorWidenRmBinaryOpSx(context, () => context.Emit(OpCodes.Sub));
}
public static void Sub_S(ILEmitterCtx context)
{
EmitScalarBinaryOpZx(context, () => context.Emit(OpCodes.Sub));
}
public static void Sub_V(ILEmitterCtx context)
{
if (Optimizations.UseSse2)
{
EmitSse2Op(context, nameof(Sse2.Subtract));
}
else
{
EmitVectorBinaryOpZx(context, () => context.Emit(OpCodes.Sub));
}
}
public static void Subhn_V(ILEmitterCtx context)
{
EmitHighNarrow(context, () => context.Emit(OpCodes.Sub), round: false);
}
public static void Suqadd_S(ILEmitterCtx context)
{
EmitScalarSaturatingBinaryOpSx(context, SaturatingFlags.Accumulate);
}
public static void Suqadd_V(ILEmitterCtx context)
{
EmitVectorSaturatingBinaryOpSx(context, SaturatingFlags.Accumulate);
}
public static void Uaba_V(ILEmitterCtx context)
{
EmitVectorTernaryOpZx(context, () =>
{
context.Emit(OpCodes.Sub);
EmitAbs(context);
context.Emit(OpCodes.Add);
});
}
public static void Uabal_V(ILEmitterCtx context)
{
EmitVectorWidenRnRmTernaryOpZx(context, () =>
{
context.Emit(OpCodes.Sub);
EmitAbs(context);
context.Emit(OpCodes.Add);
});
}
public static void Uabd_V(ILEmitterCtx context)
{
EmitVectorBinaryOpZx(context, () =>
{
context.Emit(OpCodes.Sub);
EmitAbs(context);
});
}
public static void Uabdl_V(ILEmitterCtx context)
{
EmitVectorWidenRnRmBinaryOpZx(context, () =>
{
context.Emit(OpCodes.Sub);
EmitAbs(context);
});
}
public static void Uadalp_V(ILEmitterCtx context)
{
EmitAddLongPairwise(context, signed: false, accumulate: true);
}
public static void Uaddl_V(ILEmitterCtx context)
{
if (Optimizations.UseSse41)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
Type[] typesSrl = new Type[] { VectorUIntTypesPerSizeLog2[op.Size], typeof(byte) };
Type[] typesCvt = new Type[] { VectorUIntTypesPerSizeLog2[op.Size] };
Type[] typesAdd = new Type[] { VectorUIntTypesPerSizeLog2[op.Size + 1],
VectorUIntTypesPerSizeLog2[op.Size + 1] };
string[] namesCvt = new string[] { nameof(Sse41.ConvertToVector128Int16),
nameof(Sse41.ConvertToVector128Int32),
nameof(Sse41.ConvertToVector128Int64) };
int numBytes = op.RegisterSize == RegisterSize.Simd128 ? 8 : 0;
EmitLdvecWithUnsignedCast(context, op.Rn, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(namesCvt[op.Size], typesCvt));
EmitLdvecWithUnsignedCast(context, op.Rm, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(namesCvt[op.Size], typesCvt));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Add), typesAdd));
EmitStvecWithUnsignedCast(context, op.Rd, op.Size + 1);
}
else
{
EmitVectorWidenRnRmBinaryOpZx(context, () => context.Emit(OpCodes.Add));
}
}
public static void Uaddlp_V(ILEmitterCtx context)
{
EmitAddLongPairwise(context, signed: false, accumulate: false);
}
public static void Uaddlv_V(ILEmitterCtx context)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int bytes = op.GetBitsCount() >> 3;
int elems = bytes >> op.Size;
EmitVectorExtractZx(context, op.Rn, 0, op.Size);
for (int index = 1; index < elems; index++)
{
EmitVectorExtractZx(context, op.Rn, index, op.Size);
context.Emit(OpCodes.Add);
}
EmitScalarSet(context, op.Rd, op.Size + 1);
}
public static void Uaddw_V(ILEmitterCtx context)
{
EmitVectorWidenRmBinaryOpZx(context, () => context.Emit(OpCodes.Add));
}
public static void Uhadd_V(ILEmitterCtx context)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
if (Optimizations.UseSse2 && op.Size > 0)
{
Type[] typesSrl = new Type[] { VectorUIntTypesPerSizeLog2[op.Size], typeof(byte) };
Type[] typesAndXorAdd = new Type[] { VectorUIntTypesPerSizeLog2[op.Size], VectorUIntTypesPerSizeLog2[op.Size] };
EmitLdvecWithUnsignedCast(context, op.Rn, op.Size);
context.Emit(OpCodes.Dup);
context.EmitStvectmp();
EmitLdvecWithUnsignedCast(context, op.Rm, op.Size);
context.Emit(OpCodes.Dup);
context.EmitStvectmp2();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.And), typesAndXorAdd));
context.EmitLdvectmp();
context.EmitLdvectmp2();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Xor), typesAndXorAdd));
context.EmitLdc_I4(1);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical), typesSrl));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Add), typesAndXorAdd));
EmitStvecWithUnsignedCast(context, op.Rd, op.Size);
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
else
{
EmitVectorBinaryOpZx(context, () =>
{
context.Emit(OpCodes.Add);
context.Emit(OpCodes.Ldc_I4_1);
context.Emit(OpCodes.Shr_Un);
});
}
}
public static void Uhsub_V(ILEmitterCtx context)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
if (Optimizations.UseSse2 && op.Size < 2)
{
Type[] typesAvgSub = new Type[] { VectorUIntTypesPerSizeLog2[op.Size], VectorUIntTypesPerSizeLog2[op.Size] };
EmitLdvecWithUnsignedCast(context, op.Rn, op.Size);
context.Emit(OpCodes.Dup);
EmitLdvecWithUnsignedCast(context, op.Rm, op.Size);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Average), typesAvgSub));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Subtract), typesAvgSub));
EmitStvecWithUnsignedCast(context, op.Rd, op.Size);
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
else
{
EmitVectorBinaryOpZx(context, () =>
{
context.Emit(OpCodes.Sub);
context.Emit(OpCodes.Ldc_I4_1);
context.Emit(OpCodes.Shr_Un);
});
}
}
public static void Umax_V(ILEmitterCtx context)
{
Type[] types = new Type[] { typeof(ulong), typeof(ulong) };
MethodInfo mthdInfo = typeof(Math).GetMethod(nameof(Math.Max), types);
EmitVectorBinaryOpZx(context, () => context.EmitCall(mthdInfo));
}
public static void Umaxp_V(ILEmitterCtx context)
{
Type[] types = new Type[] { typeof(ulong), typeof(ulong) };
MethodInfo mthdInfo = typeof(Math).GetMethod(nameof(Math.Max), types);
EmitVectorPairwiseOpZx(context, () => context.EmitCall(mthdInfo));
}
public static void Umin_V(ILEmitterCtx context)
{
Type[] types = new Type[] { typeof(ulong), typeof(ulong) };
MethodInfo mthdInfo = typeof(Math).GetMethod(nameof(Math.Min), types);
EmitVectorBinaryOpZx(context, () => context.EmitCall(mthdInfo));
}
public static void Uminp_V(ILEmitterCtx context)
{
Type[] types = new Type[] { typeof(ulong), typeof(ulong) };
MethodInfo mthdInfo = typeof(Math).GetMethod(nameof(Math.Min), types);
EmitVectorPairwiseOpZx(context, () => context.EmitCall(mthdInfo));
}
public static void Umlal_V(ILEmitterCtx context)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
if (Optimizations.UseSse41 && op.Size < 2)
{
Type[] typesSrl = new Type[] { VectorUIntTypesPerSizeLog2[op.Size], typeof(byte) };
Type[] typesCvt = new Type[] { VectorUIntTypesPerSizeLog2[op.Size] };
Type[] typesMulAdd = new Type[] { VectorIntTypesPerSizeLog2 [op.Size + 1],
VectorIntTypesPerSizeLog2 [op.Size + 1] };
Type typeMul = op.Size == 0 ? typeof(Sse2) : typeof(Sse41);
string nameCvt = op.Size == 0
? nameof(Sse41.ConvertToVector128Int16)
: nameof(Sse41.ConvertToVector128Int32);
int numBytes = op.RegisterSize == RegisterSize.Simd128 ? 8 : 0;
EmitLdvecWithUnsignedCast(context, op.Rd, op.Size + 1);
EmitLdvecWithUnsignedCast(context, op.Rn, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(nameCvt, typesCvt));
EmitLdvecWithUnsignedCast(context, op.Rm, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(nameCvt, typesCvt));
context.EmitCall(typeMul.GetMethod(nameof(Sse2.MultiplyLow), typesMulAdd));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Add), typesMulAdd));
EmitStvecWithUnsignedCast(context, op.Rd, op.Size + 1);
}
else
{
EmitVectorWidenRnRmTernaryOpZx(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Add);
});
}
}
public static void Umlsl_V(ILEmitterCtx context)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
if (Optimizations.UseSse41 && op.Size < 2)
{
Type[] typesSrl = new Type[] { VectorUIntTypesPerSizeLog2[op.Size], typeof(byte) };
Type[] typesCvt = new Type[] { VectorUIntTypesPerSizeLog2[op.Size] };
Type[] typesMulSub = new Type[] { VectorIntTypesPerSizeLog2 [op.Size + 1],
VectorIntTypesPerSizeLog2 [op.Size + 1] };
Type typeMul = op.Size == 0 ? typeof(Sse2) : typeof(Sse41);
string nameCvt = op.Size == 0
? nameof(Sse41.ConvertToVector128Int16)
: nameof(Sse41.ConvertToVector128Int32);
int numBytes = op.RegisterSize == RegisterSize.Simd128 ? 8 : 0;
EmitLdvecWithUnsignedCast(context, op.Rd, op.Size + 1);
EmitLdvecWithUnsignedCast(context, op.Rn, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(nameCvt, typesCvt));
EmitLdvecWithUnsignedCast(context, op.Rm, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(nameCvt, typesCvt));
context.EmitCall(typeMul.GetMethod(nameof(Sse2.MultiplyLow), typesMulSub));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Subtract), typesMulSub));
EmitStvecWithUnsignedCast(context, op.Rd, op.Size + 1);
}
else
{
EmitVectorWidenRnRmTernaryOpZx(context, () =>
{
context.Emit(OpCodes.Mul);
context.Emit(OpCodes.Sub);
});
}
}
public static void Umull_V(ILEmitterCtx context)
{
EmitVectorWidenRnRmBinaryOpZx(context, () => context.Emit(OpCodes.Mul));
}
public static void Uqadd_S(ILEmitterCtx context)
{
EmitScalarSaturatingBinaryOpZx(context, SaturatingFlags.Add);
}
public static void Uqadd_V(ILEmitterCtx context)
{
EmitVectorSaturatingBinaryOpZx(context, SaturatingFlags.Add);
}
public static void Uqsub_S(ILEmitterCtx context)
{
EmitScalarSaturatingBinaryOpZx(context, SaturatingFlags.Sub);
}
public static void Uqsub_V(ILEmitterCtx context)
{
EmitVectorSaturatingBinaryOpZx(context, SaturatingFlags.Sub);
}
public static void Uqxtn_S(ILEmitterCtx context)
{
EmitSaturatingNarrowOp(context, SaturatingNarrowFlags.ScalarZxZx);
}
public static void Uqxtn_V(ILEmitterCtx context)
{
EmitSaturatingNarrowOp(context, SaturatingNarrowFlags.VectorZxZx);
}
public static void Urhadd_V(ILEmitterCtx context)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
if (Optimizations.UseSse2 && op.Size < 2)
{
Type[] typesAvg = new Type[] { VectorUIntTypesPerSizeLog2[op.Size], VectorUIntTypesPerSizeLog2[op.Size] };
EmitLdvecWithUnsignedCast(context, op.Rn, op.Size);
EmitLdvecWithUnsignedCast(context, op.Rm, op.Size);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Average), typesAvg));
EmitStvecWithUnsignedCast(context, op.Rd, op.Size);
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
else
{
EmitVectorBinaryOpZx(context, () =>
{
context.Emit(OpCodes.Add);
context.Emit(OpCodes.Ldc_I4_1);
context.Emit(OpCodes.Add);
context.Emit(OpCodes.Ldc_I4_1);
context.Emit(OpCodes.Shr_Un);
});
}
}
public static void Usqadd_S(ILEmitterCtx context)
{
EmitScalarSaturatingBinaryOpZx(context, SaturatingFlags.Accumulate);
}
public static void Usqadd_V(ILEmitterCtx context)
{
EmitVectorSaturatingBinaryOpZx(context, SaturatingFlags.Accumulate);
}
public static void Usubl_V(ILEmitterCtx context)
{
if (Optimizations.UseSse41)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
Type[] typesSrl = new Type[] { VectorUIntTypesPerSizeLog2[op.Size], typeof(byte) };
Type[] typesCvt = new Type[] { VectorUIntTypesPerSizeLog2[op.Size] };
Type[] typesSub = new Type[] { VectorUIntTypesPerSizeLog2[op.Size + 1],
VectorUIntTypesPerSizeLog2[op.Size + 1] };
string[] namesCvt = new string[] { nameof(Sse41.ConvertToVector128Int16),
nameof(Sse41.ConvertToVector128Int32),
nameof(Sse41.ConvertToVector128Int64) };
int numBytes = op.RegisterSize == RegisterSize.Simd128 ? 8 : 0;
EmitLdvecWithUnsignedCast(context, op.Rn, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(namesCvt[op.Size], typesCvt));
EmitLdvecWithUnsignedCast(context, op.Rm, op.Size);
context.EmitLdc_I4(numBytes);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical128BitLane), typesSrl));
context.EmitCall(typeof(Sse41).GetMethod(namesCvt[op.Size], typesCvt));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Subtract), typesSub));
EmitStvecWithUnsignedCast(context, op.Rd, op.Size + 1);
}
else
{
EmitVectorWidenRnRmBinaryOpZx(context, () => context.Emit(OpCodes.Sub));
}
}
public static void Usubw_V(ILEmitterCtx context)
{
EmitVectorWidenRmBinaryOpZx(context, () => context.Emit(OpCodes.Sub));
}
private static void EmitAbs(ILEmitterCtx context)
{
ILLabel lblTrue = new ILLabel();
context.Emit(OpCodes.Dup);
context.Emit(OpCodes.Ldc_I4_0);
context.Emit(OpCodes.Bge_S, lblTrue);
context.Emit(OpCodes.Neg);
context.MarkLabel(lblTrue);
}
private static void EmitAddLongPairwise(ILEmitterCtx context, bool signed, bool accumulate)
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
int words = op.GetBitsCount() >> 4;
int pairs = words >> op.Size;
for (int index = 0; index < pairs; index++)
{
int idx = index << 1;
EmitVectorExtract(context, op.Rn, idx, op.Size, signed);
EmitVectorExtract(context, op.Rn, idx + 1, op.Size, signed);
context.Emit(OpCodes.Add);
if (accumulate)
{
EmitVectorExtract(context, op.Rd, index, op.Size + 1, signed);
context.Emit(OpCodes.Add);
}
EmitVectorInsertTmp(context, index, op.Size + 1);
}
context.EmitLdvectmp();
context.EmitStvec(op.Rd);
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
private static void EmitDoublingMultiplyHighHalf(ILEmitterCtx context, bool round)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
int eSize = 8 << op.Size;
context.Emit(OpCodes.Mul);
if (!round)
{
context.EmitAsr(eSize - 1);
}
else
{
long roundConst = 1L << (eSize - 1);
ILLabel lblTrue = new ILLabel();
context.EmitLsl(1);
context.EmitLdc_I8(roundConst);
context.Emit(OpCodes.Add);
context.EmitAsr(eSize);
context.Emit(OpCodes.Dup);
context.EmitLdc_I8((long)int.MinValue);
context.Emit(OpCodes.Bne_Un_S, lblTrue);
context.Emit(OpCodes.Neg);
context.MarkLabel(lblTrue);
}
}
private static void EmitHighNarrow(ILEmitterCtx context, Action emit, bool round)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;
int elems = 8 >> op.Size;
int eSize = 8 << op.Size;
int part = op.RegisterSize == RegisterSize.Simd128 ? elems : 0;
long roundConst = 1L << (eSize - 1);
if (part != 0)
{
context.EmitLdvec(op.Rd);
context.EmitStvectmp();
}
for (int index = 0; index < elems; index++)
{
EmitVectorExtractZx(context, op.Rn, index, op.Size + 1);
EmitVectorExtractZx(context, op.Rm, index, op.Size + 1);
emit();
if (round)
{
context.EmitLdc_I8(roundConst);
context.Emit(OpCodes.Add);
}
context.EmitLsr(eSize);
EmitVectorInsertTmp(context, part + index, op.Size);
}
context.EmitLdvectmp();
context.EmitStvec(op.Rd);
if (part == 0)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
}
}