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[Arm64] More overloads for *BySelectedScalar methods #33683

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#36916
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[Arm64] More overloads for *BySelectedScalar methods#33683
#36916
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echesakov
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api-approvedAPI was approved in API review, it can be implementedarch-arm64area-System.Runtime.Intrinsics
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5.0.0

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@echesakov
echesakov
opened on Mar 17, 2020

Follow-up on #24794 (comment)

namespaceSystem.Runtime.Intrinsics.Arm{publicabstractclassAdvSimd{publicabstractclassArm64{/// <summary>/// Floating-point fused Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplyAddBySelectedScalar(Vector128<double>addend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalarBySelectedScalar(Vector64<double>addend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalar(Vector64<double>addend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplyAddByScalar(Vector128<double>addend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point fused Multiply-Subtract from accumulator/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplySubtractBySelectedScalar(Vector128<double>minuend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalarBySelectedScalar(Vector64<double>minuend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalar(Vector64<double>minuend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplySubtractByScalar(Vector128<double>minuend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMUL/// </summary>publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>MultiplyBySelectedScalar(Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply extended/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMULX/// </summary>// public static Vector64<float> MultiplyExtendedBySelectedScalar(Vector64<float> left, Vector64<float> right, byte rightIndex);publicstaticVector64<float>MultiplyExtendedBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);// public static Vector128<double> MultiplyExtendedBySelectedScalar(Vector128<double> left, Vector128<double> right, byte rightIndex);publicstaticVector128<float>MultiplyExtendedBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);// public static Vector128<float> MultiplyExtendedBySelectedScalar(Vector128<float> left, Vector128<float> right, byte rightIndex);publicstaticVector64<double>MultiplyExtendedScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyExtendedScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyExtendedByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of MLA/// </summary>// public static Vector64<byte> MultiplyAddBySelectedScalar(Vector64<byte> addend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplyAddBySelectedScalar(Vector64<sbyte> addend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplyAddBySelectedScalar(Vector64<ushort> addend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplyAddBySelectedScalar(Vector64<short> addend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplyAddBySelectedScalar(Vector64<uint> addend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplyAddBySelectedScalar(Vector64<int> addend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplyAddBySelectedScalar(Vector64<byte>addend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyAddBySelectedScalar(Vector64<sbyte>addend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyAddBySelectedScalar(Vector64<ushort>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyAddBySelectedScalar(Vector64<short>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyAddBySelectedScalar(Vector64<uint>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyAddBySelectedScalar(Vector64<int>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyAddBySelectedScalar(Vector128<byte>addend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyAddBySelectedScalar(Vector128<sbyte>addend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyAddBySelectedScalar(Vector128<ushort>addend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyAddBySelectedScalar(Vector128<short>addend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyAddBySelectedScalar(Vector128<uint>addend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyAddBySelectedScalar(Vector128<int>addend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplyAddBySelectedScalar(Vector128<byte> addend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplyAddBySelectedScalar(Vector128<sbyte> addend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplyAddBySelectedScalar(Vector128<ushort> addend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplyAddBySelectedScalar(Vector128<short> addend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplyAddBySelectedScalar(Vector128<uint> addend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplyAddBySelectedScalar(Vector128<int> addend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply-Subtract from accumulator/// For each element result[elem] = minuend - left[elem] * right[rightIndex]/// Corresponds to vector forms of MLS/// </summary>// public static Vector64<byte> MultiplySubtractBySelectedScalar(Vector64<byte> minuend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplySubtractBySelectedScalar(Vector64<sbyte> minuend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplySubtractBySelectedScalar(Vector64<ushort> minuend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplySubtractBySelectedScalar(Vector64<short> minuend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplySubtractBySelectedScalar(Vector64<uint> minuend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplySubtractBySelectedScalar(Vector64<int> minuend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplySubtractBySelectedScalar(Vector64<byte>minuend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplySubtractBySelectedScalar(Vector64<sbyte>minuend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplySubtractBySelectedScalar(Vector64<ushort>minuend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplySubtractBySelectedScalar(Vector64<short>minuend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplySubtractBySelectedScalar(Vector64<uint>minuend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplySubtractBySelectedScalar(Vector64<int>minuend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplySubtractBySelectedScalar(Vector128<byte>minuend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplySubtractBySelectedScalar(Vector128<sbyte>minuend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplySubtractBySelectedScalar(Vector128<ushort>minuend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplySubtractBySelectedScalar(Vector128<short>minuend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplySubtractBySelectedScalar(Vector128<uint>minuend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplySubtractBySelectedScalar(Vector128<int>minuend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplySubtractBySelectedScalar(Vector128<byte> minuend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplySubtractBySelectedScalar(Vector128<sbyte> minuend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplySubtractBySelectedScalar(Vector128<ushort> minuend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplySubtractBySelectedScalar(Vector128<short> minuend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplySubtractBySelectedScalar(Vector128<uint> minuend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplySubtractBySelectedScalar(Vector128<int> minuend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of MUL/// </summary>publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector128<int>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL and UMLAL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL2 and UMLAL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL and UMLSL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL2 and UMLSL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL and UMULL/// </summary>publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL2 and UMULL2/// </summary>publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);}}}

cc @terrajobst@tannergooding@TamarChristinaArm

One more question: do we need rightIndex parameter at all for FusedMultiplyAddBySelectedScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right, byte rightIndex) since it only can have one value (i.e. 0)

We might just have FusedMultiplyAddByScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right) for this one instead ? However, this could be confused with FusedMultiplyAddScalar(Vector64<double> acc, Vector64<double> left, Vector64<double> right)...

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[Arm64] More overloads for *BySelectedScalar methods · Issue #33683 · dotnet/runtime · GitHub
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    [Arm64] More overloads for *BySelectedScalar methods #33683
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    #36916
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    [Arm64] More overloads for *BySelectedScalar methods#33683
    #36916
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    echesakov
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    api-approvedAPI was approved in API review, it can be implementedarch-arm64area-System.Runtime.Intrinsics
    Milestone
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    Description
    @echesakov
    echesakov
    opened on Mar 17, 2020
    Follow-up on #24794 (comment)
    namespaceSystem.Runtime.Intrinsics.Arm{publicabstractclassAdvSimd{publicabstractclassArm64{/// <summary>/// Floating-point fused Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplyAddBySelectedScalar(Vector128<double>addend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalarBySelectedScalar(Vector64<double>addend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalar(Vector64<double>addend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplyAddByScalar(Vector128<double>addend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point fused Multiply-Subtract from accumulator/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplySubtractBySelectedScalar(Vector128<double>minuend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalarBySelectedScalar(Vector64<double>minuend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalar(Vector64<double>minuend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplySubtractByScalar(Vector128<double>minuend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMUL/// </summary>publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>MultiplyBySelectedScalar(Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply extended/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMULX/// </summary>// public static Vector64<float> MultiplyExtendedBySelectedScalar(Vector64<float> left, Vector64<float> right, byte rightIndex);publicstaticVector64<float>MultiplyExtendedBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);// public static Vector128<double> MultiplyExtendedBySelectedScalar(Vector128<double> left, Vector128<double> right, byte rightIndex);publicstaticVector128<float>MultiplyExtendedBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);// public static Vector128<float> MultiplyExtendedBySelectedScalar(Vector128<float> left, Vector128<float> right, byte rightIndex);publicstaticVector64<double>MultiplyExtendedScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyExtendedScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyExtendedByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of MLA/// </summary>// public static Vector64<byte> MultiplyAddBySelectedScalar(Vector64<byte> addend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplyAddBySelectedScalar(Vector64<sbyte> addend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplyAddBySelectedScalar(Vector64<ushort> addend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplyAddBySelectedScalar(Vector64<short> addend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplyAddBySelectedScalar(Vector64<uint> addend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplyAddBySelectedScalar(Vector64<int> addend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplyAddBySelectedScalar(Vector64<byte>addend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyAddBySelectedScalar(Vector64<sbyte>addend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyAddBySelectedScalar(Vector64<ushort>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyAddBySelectedScalar(Vector64<short>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyAddBySelectedScalar(Vector64<uint>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyAddBySelectedScalar(Vector64<int>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyAddBySelectedScalar(Vector128<byte>addend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyAddBySelectedScalar(Vector128<sbyte>addend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyAddBySelectedScalar(Vector128<ushort>addend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyAddBySelectedScalar(Vector128<short>addend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyAddBySelectedScalar(Vector128<uint>addend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyAddBySelectedScalar(Vector128<int>addend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplyAddBySelectedScalar(Vector128<byte> addend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplyAddBySelectedScalar(Vector128<sbyte> addend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplyAddBySelectedScalar(Vector128<ushort> addend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplyAddBySelectedScalar(Vector128<short> addend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplyAddBySelectedScalar(Vector128<uint> addend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplyAddBySelectedScalar(Vector128<int> addend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply-Subtract from accumulator/// For each element result[elem] = minuend - left[elem] * right[rightIndex]/// Corresponds to vector forms of MLS/// </summary>// public static Vector64<byte> MultiplySubtractBySelectedScalar(Vector64<byte> minuend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplySubtractBySelectedScalar(Vector64<sbyte> minuend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplySubtractBySelectedScalar(Vector64<ushort> minuend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplySubtractBySelectedScalar(Vector64<short> minuend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplySubtractBySelectedScalar(Vector64<uint> minuend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplySubtractBySelectedScalar(Vector64<int> minuend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplySubtractBySelectedScalar(Vector64<byte>minuend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplySubtractBySelectedScalar(Vector64<sbyte>minuend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplySubtractBySelectedScalar(Vector64<ushort>minuend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplySubtractBySelectedScalar(Vector64<short>minuend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplySubtractBySelectedScalar(Vector64<uint>minuend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplySubtractBySelectedScalar(Vector64<int>minuend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplySubtractBySelectedScalar(Vector128<byte>minuend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplySubtractBySelectedScalar(Vector128<sbyte>minuend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplySubtractBySelectedScalar(Vector128<ushort>minuend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplySubtractBySelectedScalar(Vector128<short>minuend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplySubtractBySelectedScalar(Vector128<uint>minuend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplySubtractBySelectedScalar(Vector128<int>minuend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplySubtractBySelectedScalar(Vector128<byte> minuend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplySubtractBySelectedScalar(Vector128<sbyte> minuend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplySubtractBySelectedScalar(Vector128<ushort> minuend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplySubtractBySelectedScalar(Vector128<short> minuend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplySubtractBySelectedScalar(Vector128<uint> minuend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplySubtractBySelectedScalar(Vector128<int> minuend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of MUL/// </summary>publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector128<int>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL and UMLAL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL2 and UMLAL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL and UMLSL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL2 and UMLSL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL and UMULL/// </summary>publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL2 and UMULL2/// </summary>publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);}}}
    cc @terrajobst@tannergooding@TamarChristinaArm
    One more question: do we need rightIndex parameter at all for FusedMultiplyAddBySelectedScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right, byte rightIndex) since it only can have one value (i.e. 0)
    We might just have FusedMultiplyAddByScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right) for this one instead ? However, this could be confused with FusedMultiplyAddScalar(Vector64<double> acc, Vector64<double> left, Vector64<double> right)...
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[Arm64] More overloads for *BySelectedScalar methods · Issue #33683 · dotnet/runtime · GitHub
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      [Arm64] More overloads for *BySelectedScalar methods #33683
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      #36916
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      [Arm64] More overloads for *BySelectedScalar methods#33683
      #36916
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      echesakov
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      api-approvedAPI was approved in API review, it can be implementedarch-arm64area-System.Runtime.Intrinsics
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      @echesakov
      echesakov
      opened on Mar 17, 2020
      Follow-up on #24794 (comment)
      namespaceSystem.Runtime.Intrinsics.Arm{publicabstractclassAdvSimd{publicabstractclassArm64{/// <summary>/// Floating-point fused Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplyAddBySelectedScalar(Vector128<double>addend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalarBySelectedScalar(Vector64<double>addend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalar(Vector64<double>addend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplyAddByScalar(Vector128<double>addend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point fused Multiply-Subtract from accumulator/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplySubtractBySelectedScalar(Vector128<double>minuend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalarBySelectedScalar(Vector64<double>minuend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalar(Vector64<double>minuend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplySubtractByScalar(Vector128<double>minuend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMUL/// </summary>publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>MultiplyBySelectedScalar(Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply extended/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMULX/// </summary>// public static Vector64<float> MultiplyExtendedBySelectedScalar(Vector64<float> left, Vector64<float> right, byte rightIndex);publicstaticVector64<float>MultiplyExtendedBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);// public static Vector128<double> MultiplyExtendedBySelectedScalar(Vector128<double> left, Vector128<double> right, byte rightIndex);publicstaticVector128<float>MultiplyExtendedBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);// public static Vector128<float> MultiplyExtendedBySelectedScalar(Vector128<float> left, Vector128<float> right, byte rightIndex);publicstaticVector64<double>MultiplyExtendedScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyExtendedScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyExtendedByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of MLA/// </summary>// public static Vector64<byte> MultiplyAddBySelectedScalar(Vector64<byte> addend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplyAddBySelectedScalar(Vector64<sbyte> addend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplyAddBySelectedScalar(Vector64<ushort> addend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplyAddBySelectedScalar(Vector64<short> addend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplyAddBySelectedScalar(Vector64<uint> addend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplyAddBySelectedScalar(Vector64<int> addend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplyAddBySelectedScalar(Vector64<byte>addend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyAddBySelectedScalar(Vector64<sbyte>addend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyAddBySelectedScalar(Vector64<ushort>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyAddBySelectedScalar(Vector64<short>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyAddBySelectedScalar(Vector64<uint>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyAddBySelectedScalar(Vector64<int>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyAddBySelectedScalar(Vector128<byte>addend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyAddBySelectedScalar(Vector128<sbyte>addend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyAddBySelectedScalar(Vector128<ushort>addend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyAddBySelectedScalar(Vector128<short>addend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyAddBySelectedScalar(Vector128<uint>addend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyAddBySelectedScalar(Vector128<int>addend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplyAddBySelectedScalar(Vector128<byte> addend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplyAddBySelectedScalar(Vector128<sbyte> addend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplyAddBySelectedScalar(Vector128<ushort> addend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplyAddBySelectedScalar(Vector128<short> addend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplyAddBySelectedScalar(Vector128<uint> addend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplyAddBySelectedScalar(Vector128<int> addend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply-Subtract from accumulator/// For each element result[elem] = minuend - left[elem] * right[rightIndex]/// Corresponds to vector forms of MLS/// </summary>// public static Vector64<byte> MultiplySubtractBySelectedScalar(Vector64<byte> minuend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplySubtractBySelectedScalar(Vector64<sbyte> minuend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplySubtractBySelectedScalar(Vector64<ushort> minuend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplySubtractBySelectedScalar(Vector64<short> minuend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplySubtractBySelectedScalar(Vector64<uint> minuend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplySubtractBySelectedScalar(Vector64<int> minuend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplySubtractBySelectedScalar(Vector64<byte>minuend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplySubtractBySelectedScalar(Vector64<sbyte>minuend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplySubtractBySelectedScalar(Vector64<ushort>minuend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplySubtractBySelectedScalar(Vector64<short>minuend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplySubtractBySelectedScalar(Vector64<uint>minuend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplySubtractBySelectedScalar(Vector64<int>minuend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplySubtractBySelectedScalar(Vector128<byte>minuend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplySubtractBySelectedScalar(Vector128<sbyte>minuend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplySubtractBySelectedScalar(Vector128<ushort>minuend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplySubtractBySelectedScalar(Vector128<short>minuend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplySubtractBySelectedScalar(Vector128<uint>minuend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplySubtractBySelectedScalar(Vector128<int>minuend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplySubtractBySelectedScalar(Vector128<byte> minuend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplySubtractBySelectedScalar(Vector128<sbyte> minuend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplySubtractBySelectedScalar(Vector128<ushort> minuend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplySubtractBySelectedScalar(Vector128<short> minuend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplySubtractBySelectedScalar(Vector128<uint> minuend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplySubtractBySelectedScalar(Vector128<int> minuend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of MUL/// </summary>publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector128<int>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL and UMLAL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL2 and UMLAL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL and UMLSL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL2 and UMLSL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL and UMULL/// </summary>publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL2 and UMULL2/// </summary>publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);}}}
      cc @terrajobst@tannergooding@TamarChristinaArm
      One more question: do we need rightIndex parameter at all for FusedMultiplyAddBySelectedScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right, byte rightIndex) since it only can have one value (i.e. 0)
      We might just have FusedMultiplyAddByScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right) for this one instead ? However, this could be confused with FusedMultiplyAddScalar(Vector64<double> acc, Vector64<double> left, Vector64<double> right)...
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[Arm64] More overloads for *BySelectedScalar methods · Issue #33683 · dotnet/runtime · GitHub
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        [Arm64] More overloads for *BySelectedScalar methods #33683
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        #36916
        Closed
        [Arm64] More overloads for *BySelectedScalar methods#33683
        #36916
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        echesakov
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        api-approvedAPI was approved in API review, it can be implementedarch-arm64area-System.Runtime.Intrinsics
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        @echesakov
        echesakov
        opened on Mar 17, 2020
        Follow-up on #24794 (comment)
        namespaceSystem.Runtime.Intrinsics.Arm{publicabstractclassAdvSimd{publicabstractclassArm64{/// <summary>/// Floating-point fused Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplyAddBySelectedScalar(Vector128<double>addend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalarBySelectedScalar(Vector64<double>addend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalar(Vector64<double>addend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplyAddByScalar(Vector128<double>addend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point fused Multiply-Subtract from accumulator/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplySubtractBySelectedScalar(Vector128<double>minuend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalarBySelectedScalar(Vector64<double>minuend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalar(Vector64<double>minuend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplySubtractByScalar(Vector128<double>minuend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMUL/// </summary>publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>MultiplyBySelectedScalar(Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply extended/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMULX/// </summary>// public static Vector64<float> MultiplyExtendedBySelectedScalar(Vector64<float> left, Vector64<float> right, byte rightIndex);publicstaticVector64<float>MultiplyExtendedBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);// public static Vector128<double> MultiplyExtendedBySelectedScalar(Vector128<double> left, Vector128<double> right, byte rightIndex);publicstaticVector128<float>MultiplyExtendedBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);// public static Vector128<float> MultiplyExtendedBySelectedScalar(Vector128<float> left, Vector128<float> right, byte rightIndex);publicstaticVector64<double>MultiplyExtendedScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyExtendedScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyExtendedByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of MLA/// </summary>// public static Vector64<byte> MultiplyAddBySelectedScalar(Vector64<byte> addend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplyAddBySelectedScalar(Vector64<sbyte> addend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplyAddBySelectedScalar(Vector64<ushort> addend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplyAddBySelectedScalar(Vector64<short> addend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplyAddBySelectedScalar(Vector64<uint> addend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplyAddBySelectedScalar(Vector64<int> addend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplyAddBySelectedScalar(Vector64<byte>addend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyAddBySelectedScalar(Vector64<sbyte>addend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyAddBySelectedScalar(Vector64<ushort>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyAddBySelectedScalar(Vector64<short>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyAddBySelectedScalar(Vector64<uint>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyAddBySelectedScalar(Vector64<int>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyAddBySelectedScalar(Vector128<byte>addend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyAddBySelectedScalar(Vector128<sbyte>addend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyAddBySelectedScalar(Vector128<ushort>addend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyAddBySelectedScalar(Vector128<short>addend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyAddBySelectedScalar(Vector128<uint>addend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyAddBySelectedScalar(Vector128<int>addend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplyAddBySelectedScalar(Vector128<byte> addend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplyAddBySelectedScalar(Vector128<sbyte> addend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplyAddBySelectedScalar(Vector128<ushort> addend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplyAddBySelectedScalar(Vector128<short> addend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplyAddBySelectedScalar(Vector128<uint> addend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplyAddBySelectedScalar(Vector128<int> addend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply-Subtract from accumulator/// For each element result[elem] = minuend - left[elem] * right[rightIndex]/// Corresponds to vector forms of MLS/// </summary>// public static Vector64<byte> MultiplySubtractBySelectedScalar(Vector64<byte> minuend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplySubtractBySelectedScalar(Vector64<sbyte> minuend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplySubtractBySelectedScalar(Vector64<ushort> minuend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplySubtractBySelectedScalar(Vector64<short> minuend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplySubtractBySelectedScalar(Vector64<uint> minuend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplySubtractBySelectedScalar(Vector64<int> minuend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplySubtractBySelectedScalar(Vector64<byte>minuend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplySubtractBySelectedScalar(Vector64<sbyte>minuend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplySubtractBySelectedScalar(Vector64<ushort>minuend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplySubtractBySelectedScalar(Vector64<short>minuend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplySubtractBySelectedScalar(Vector64<uint>minuend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplySubtractBySelectedScalar(Vector64<int>minuend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplySubtractBySelectedScalar(Vector128<byte>minuend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplySubtractBySelectedScalar(Vector128<sbyte>minuend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplySubtractBySelectedScalar(Vector128<ushort>minuend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplySubtractBySelectedScalar(Vector128<short>minuend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplySubtractBySelectedScalar(Vector128<uint>minuend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplySubtractBySelectedScalar(Vector128<int>minuend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplySubtractBySelectedScalar(Vector128<byte> minuend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplySubtractBySelectedScalar(Vector128<sbyte> minuend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplySubtractBySelectedScalar(Vector128<ushort> minuend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplySubtractBySelectedScalar(Vector128<short> minuend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplySubtractBySelectedScalar(Vector128<uint> minuend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplySubtractBySelectedScalar(Vector128<int> minuend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of MUL/// </summary>publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector128<int>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL and UMLAL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL2 and UMLAL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL and UMLSL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL2 and UMLSL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL and UMULL/// </summary>publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL2 and UMULL2/// </summary>publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);}}}
        cc @terrajobst@tannergooding@TamarChristinaArm
        One more question: do we need rightIndex parameter at all for FusedMultiplyAddBySelectedScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right, byte rightIndex) since it only can have one value (i.e. 0)
        We might just have FusedMultiplyAddByScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right) for this one instead ? However, this could be confused with FusedMultiplyAddScalar(Vector64<double> acc, Vector64<double> left, Vector64<double> right)...
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, 'i');
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var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
[Arm64] More overloads for *BySelectedScalar methods · Issue #33683 · dotnet/runtime · GitHub
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          [Arm64] More overloads for *BySelectedScalar methods #33683
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          #36916
          Closed
          [Arm64] More overloads for *BySelectedScalar methods#33683
          #36916
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          echesakov
          Labels
          api-approvedAPI was approved in API review, it can be implementedarch-arm64area-System.Runtime.Intrinsics
          Milestone
          5.0.0
          Description
          @echesakov
          echesakov
          opened on Mar 17, 2020
          Follow-up on #24794 (comment)
          namespaceSystem.Runtime.Intrinsics.Arm{publicabstractclassAdvSimd{publicabstractclassArm64{/// <summary>/// Floating-point fused Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplyAddBySelectedScalar(Vector128<double>addend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalarBySelectedScalar(Vector64<double>addend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalar(Vector64<double>addend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplyAddByScalar(Vector128<double>addend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point fused Multiply-Subtract from accumulator/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplySubtractBySelectedScalar(Vector128<double>minuend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalarBySelectedScalar(Vector64<double>minuend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalar(Vector64<double>minuend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplySubtractByScalar(Vector128<double>minuend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMUL/// </summary>publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>MultiplyBySelectedScalar(Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply extended/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMULX/// </summary>// public static Vector64<float> MultiplyExtendedBySelectedScalar(Vector64<float> left, Vector64<float> right, byte rightIndex);publicstaticVector64<float>MultiplyExtendedBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);// public static Vector128<double> MultiplyExtendedBySelectedScalar(Vector128<double> left, Vector128<double> right, byte rightIndex);publicstaticVector128<float>MultiplyExtendedBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);// public static Vector128<float> MultiplyExtendedBySelectedScalar(Vector128<float> left, Vector128<float> right, byte rightIndex);publicstaticVector64<double>MultiplyExtendedScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyExtendedScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyExtendedByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of MLA/// </summary>// public static Vector64<byte> MultiplyAddBySelectedScalar(Vector64<byte> addend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplyAddBySelectedScalar(Vector64<sbyte> addend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplyAddBySelectedScalar(Vector64<ushort> addend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplyAddBySelectedScalar(Vector64<short> addend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplyAddBySelectedScalar(Vector64<uint> addend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplyAddBySelectedScalar(Vector64<int> addend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplyAddBySelectedScalar(Vector64<byte>addend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyAddBySelectedScalar(Vector64<sbyte>addend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyAddBySelectedScalar(Vector64<ushort>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyAddBySelectedScalar(Vector64<short>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyAddBySelectedScalar(Vector64<uint>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyAddBySelectedScalar(Vector64<int>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyAddBySelectedScalar(Vector128<byte>addend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyAddBySelectedScalar(Vector128<sbyte>addend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyAddBySelectedScalar(Vector128<ushort>addend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyAddBySelectedScalar(Vector128<short>addend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyAddBySelectedScalar(Vector128<uint>addend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyAddBySelectedScalar(Vector128<int>addend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplyAddBySelectedScalar(Vector128<byte> addend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplyAddBySelectedScalar(Vector128<sbyte> addend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplyAddBySelectedScalar(Vector128<ushort> addend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplyAddBySelectedScalar(Vector128<short> addend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplyAddBySelectedScalar(Vector128<uint> addend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplyAddBySelectedScalar(Vector128<int> addend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply-Subtract from accumulator/// For each element result[elem] = minuend - left[elem] * right[rightIndex]/// Corresponds to vector forms of MLS/// </summary>// public static Vector64<byte> MultiplySubtractBySelectedScalar(Vector64<byte> minuend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplySubtractBySelectedScalar(Vector64<sbyte> minuend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplySubtractBySelectedScalar(Vector64<ushort> minuend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplySubtractBySelectedScalar(Vector64<short> minuend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplySubtractBySelectedScalar(Vector64<uint> minuend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplySubtractBySelectedScalar(Vector64<int> minuend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplySubtractBySelectedScalar(Vector64<byte>minuend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplySubtractBySelectedScalar(Vector64<sbyte>minuend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplySubtractBySelectedScalar(Vector64<ushort>minuend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplySubtractBySelectedScalar(Vector64<short>minuend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplySubtractBySelectedScalar(Vector64<uint>minuend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplySubtractBySelectedScalar(Vector64<int>minuend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplySubtractBySelectedScalar(Vector128<byte>minuend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplySubtractBySelectedScalar(Vector128<sbyte>minuend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplySubtractBySelectedScalar(Vector128<ushort>minuend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplySubtractBySelectedScalar(Vector128<short>minuend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplySubtractBySelectedScalar(Vector128<uint>minuend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplySubtractBySelectedScalar(Vector128<int>minuend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplySubtractBySelectedScalar(Vector128<byte> minuend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplySubtractBySelectedScalar(Vector128<sbyte> minuend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplySubtractBySelectedScalar(Vector128<ushort> minuend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplySubtractBySelectedScalar(Vector128<short> minuend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplySubtractBySelectedScalar(Vector128<uint> minuend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplySubtractBySelectedScalar(Vector128<int> minuend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of MUL/// </summary>publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector128<int>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL and UMLAL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL2 and UMLAL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL and UMLSL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL2 and UMLSL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL and UMULL/// </summary>publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL2 and UMULL2/// </summary>publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);}}}
          cc @terrajobst@tannergooding@TamarChristinaArm
          One more question: do we need rightIndex parameter at all for FusedMultiplyAddBySelectedScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right, byte rightIndex) since it only can have one value (i.e. 0)
          We might just have FusedMultiplyAddByScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right) for this one instead ? However, this could be confused with FusedMultiplyAddScalar(Vector64<double> acc, Vector64<double> left, Vector64<double> right)...
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[Arm64] More overloads for *BySelectedScalar methods · Issue #33683 · dotnet/runtime · GitHub
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            [Arm64] More overloads for *BySelectedScalar methods #33683
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            #36916
            Closed
            [Arm64] More overloads for *BySelectedScalar methods#33683
            #36916
            Assignees
            echesakov
            Labels
            api-approvedAPI was approved in API review, it can be implementedarch-arm64area-System.Runtime.Intrinsics
            Milestone
            5.0.0
            Description
            @echesakov
            echesakov
            opened on Mar 17, 2020
            Follow-up on #24794 (comment)
            namespaceSystem.Runtime.Intrinsics.Arm{publicabstractclassAdvSimd{publicabstractclassArm64{/// <summary>/// Floating-point fused Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplyAddBySelectedScalar(Vector128<double>addend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalarBySelectedScalar(Vector64<double>addend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalar(Vector64<double>addend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplyAddByScalar(Vector128<double>addend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point fused Multiply-Subtract from accumulator/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplySubtractBySelectedScalar(Vector128<double>minuend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalarBySelectedScalar(Vector64<double>minuend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalar(Vector64<double>minuend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplySubtractByScalar(Vector128<double>minuend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMUL/// </summary>publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>MultiplyBySelectedScalar(Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply extended/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMULX/// </summary>// public static Vector64<float> MultiplyExtendedBySelectedScalar(Vector64<float> left, Vector64<float> right, byte rightIndex);publicstaticVector64<float>MultiplyExtendedBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);// public static Vector128<double> MultiplyExtendedBySelectedScalar(Vector128<double> left, Vector128<double> right, byte rightIndex);publicstaticVector128<float>MultiplyExtendedBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);// public static Vector128<float> MultiplyExtendedBySelectedScalar(Vector128<float> left, Vector128<float> right, byte rightIndex);publicstaticVector64<double>MultiplyExtendedScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyExtendedScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyExtendedByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of MLA/// </summary>// public static Vector64<byte> MultiplyAddBySelectedScalar(Vector64<byte> addend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplyAddBySelectedScalar(Vector64<sbyte> addend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplyAddBySelectedScalar(Vector64<ushort> addend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplyAddBySelectedScalar(Vector64<short> addend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplyAddBySelectedScalar(Vector64<uint> addend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplyAddBySelectedScalar(Vector64<int> addend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplyAddBySelectedScalar(Vector64<byte>addend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyAddBySelectedScalar(Vector64<sbyte>addend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyAddBySelectedScalar(Vector64<ushort>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyAddBySelectedScalar(Vector64<short>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyAddBySelectedScalar(Vector64<uint>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyAddBySelectedScalar(Vector64<int>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyAddBySelectedScalar(Vector128<byte>addend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyAddBySelectedScalar(Vector128<sbyte>addend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyAddBySelectedScalar(Vector128<ushort>addend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyAddBySelectedScalar(Vector128<short>addend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyAddBySelectedScalar(Vector128<uint>addend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyAddBySelectedScalar(Vector128<int>addend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplyAddBySelectedScalar(Vector128<byte> addend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplyAddBySelectedScalar(Vector128<sbyte> addend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplyAddBySelectedScalar(Vector128<ushort> addend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplyAddBySelectedScalar(Vector128<short> addend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplyAddBySelectedScalar(Vector128<uint> addend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplyAddBySelectedScalar(Vector128<int> addend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply-Subtract from accumulator/// For each element result[elem] = minuend - left[elem] * right[rightIndex]/// Corresponds to vector forms of MLS/// </summary>// public static Vector64<byte> MultiplySubtractBySelectedScalar(Vector64<byte> minuend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplySubtractBySelectedScalar(Vector64<sbyte> minuend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplySubtractBySelectedScalar(Vector64<ushort> minuend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplySubtractBySelectedScalar(Vector64<short> minuend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplySubtractBySelectedScalar(Vector64<uint> minuend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplySubtractBySelectedScalar(Vector64<int> minuend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplySubtractBySelectedScalar(Vector64<byte>minuend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplySubtractBySelectedScalar(Vector64<sbyte>minuend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplySubtractBySelectedScalar(Vector64<ushort>minuend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplySubtractBySelectedScalar(Vector64<short>minuend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplySubtractBySelectedScalar(Vector64<uint>minuend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplySubtractBySelectedScalar(Vector64<int>minuend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplySubtractBySelectedScalar(Vector128<byte>minuend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplySubtractBySelectedScalar(Vector128<sbyte>minuend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplySubtractBySelectedScalar(Vector128<ushort>minuend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplySubtractBySelectedScalar(Vector128<short>minuend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplySubtractBySelectedScalar(Vector128<uint>minuend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplySubtractBySelectedScalar(Vector128<int>minuend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplySubtractBySelectedScalar(Vector128<byte> minuend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplySubtractBySelectedScalar(Vector128<sbyte> minuend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplySubtractBySelectedScalar(Vector128<ushort> minuend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplySubtractBySelectedScalar(Vector128<short> minuend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplySubtractBySelectedScalar(Vector128<uint> minuend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplySubtractBySelectedScalar(Vector128<int> minuend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of MUL/// </summary>publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector128<int>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL and UMLAL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL2 and UMLAL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL and UMLSL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL2 and UMLSL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL and UMULL/// </summary>publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL2 and UMULL2/// </summary>publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);}}}
            cc @terrajobst@tannergooding@TamarChristinaArm
            One more question: do we need rightIndex parameter at all for FusedMultiplyAddBySelectedScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right, byte rightIndex) since it only can have one value (i.e. 0)
            We might just have FusedMultiplyAddByScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right) for this one instead ? However, this could be confused with FusedMultiplyAddScalar(Vector64<double> acc, Vector64<double> left, Vector64<double> right)...
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[Arm64] More overloads for *BySelectedScalar methods · Issue #33683 · dotnet/runtime · GitHub
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              [Arm64] More overloads for *BySelectedScalar methods #33683
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              #36916
              Closed
              [Arm64] More overloads for *BySelectedScalar methods#33683
              #36916
              Assignees
              echesakov
              Labels
              api-approvedAPI was approved in API review, it can be implementedarch-arm64area-System.Runtime.Intrinsics
              Milestone
              5.0.0
              Description
              @echesakov
              echesakov
              opened on Mar 17, 2020
              Follow-up on #24794 (comment)
              namespaceSystem.Runtime.Intrinsics.Arm{publicabstractclassAdvSimd{publicabstractclassArm64{/// <summary>/// Floating-point fused Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplyAddBySelectedScalar(Vector128<double>addend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalarBySelectedScalar(Vector64<double>addend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalar(Vector64<double>addend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplyAddByScalar(Vector128<double>addend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point fused Multiply-Subtract from accumulator/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplySubtractBySelectedScalar(Vector128<double>minuend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalarBySelectedScalar(Vector64<double>minuend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalar(Vector64<double>minuend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplySubtractByScalar(Vector128<double>minuend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMUL/// </summary>publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>MultiplyBySelectedScalar(Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply extended/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMULX/// </summary>// public static Vector64<float> MultiplyExtendedBySelectedScalar(Vector64<float> left, Vector64<float> right, byte rightIndex);publicstaticVector64<float>MultiplyExtendedBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);// public static Vector128<double> MultiplyExtendedBySelectedScalar(Vector128<double> left, Vector128<double> right, byte rightIndex);publicstaticVector128<float>MultiplyExtendedBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);// public static Vector128<float> MultiplyExtendedBySelectedScalar(Vector128<float> left, Vector128<float> right, byte rightIndex);publicstaticVector64<double>MultiplyExtendedScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyExtendedScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyExtendedByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of MLA/// </summary>// public static Vector64<byte> MultiplyAddBySelectedScalar(Vector64<byte> addend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplyAddBySelectedScalar(Vector64<sbyte> addend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplyAddBySelectedScalar(Vector64<ushort> addend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplyAddBySelectedScalar(Vector64<short> addend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplyAddBySelectedScalar(Vector64<uint> addend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplyAddBySelectedScalar(Vector64<int> addend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplyAddBySelectedScalar(Vector64<byte>addend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyAddBySelectedScalar(Vector64<sbyte>addend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyAddBySelectedScalar(Vector64<ushort>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyAddBySelectedScalar(Vector64<short>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyAddBySelectedScalar(Vector64<uint>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyAddBySelectedScalar(Vector64<int>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyAddBySelectedScalar(Vector128<byte>addend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyAddBySelectedScalar(Vector128<sbyte>addend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyAddBySelectedScalar(Vector128<ushort>addend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyAddBySelectedScalar(Vector128<short>addend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyAddBySelectedScalar(Vector128<uint>addend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyAddBySelectedScalar(Vector128<int>addend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplyAddBySelectedScalar(Vector128<byte> addend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplyAddBySelectedScalar(Vector128<sbyte> addend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplyAddBySelectedScalar(Vector128<ushort> addend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplyAddBySelectedScalar(Vector128<short> addend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplyAddBySelectedScalar(Vector128<uint> addend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplyAddBySelectedScalar(Vector128<int> addend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply-Subtract from accumulator/// For each element result[elem] = minuend - left[elem] * right[rightIndex]/// Corresponds to vector forms of MLS/// </summary>// public static Vector64<byte> MultiplySubtractBySelectedScalar(Vector64<byte> minuend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplySubtractBySelectedScalar(Vector64<sbyte> minuend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplySubtractBySelectedScalar(Vector64<ushort> minuend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplySubtractBySelectedScalar(Vector64<short> minuend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplySubtractBySelectedScalar(Vector64<uint> minuend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplySubtractBySelectedScalar(Vector64<int> minuend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplySubtractBySelectedScalar(Vector64<byte>minuend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplySubtractBySelectedScalar(Vector64<sbyte>minuend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplySubtractBySelectedScalar(Vector64<ushort>minuend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplySubtractBySelectedScalar(Vector64<short>minuend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplySubtractBySelectedScalar(Vector64<uint>minuend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplySubtractBySelectedScalar(Vector64<int>minuend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplySubtractBySelectedScalar(Vector128<byte>minuend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplySubtractBySelectedScalar(Vector128<sbyte>minuend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplySubtractBySelectedScalar(Vector128<ushort>minuend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplySubtractBySelectedScalar(Vector128<short>minuend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplySubtractBySelectedScalar(Vector128<uint>minuend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplySubtractBySelectedScalar(Vector128<int>minuend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplySubtractBySelectedScalar(Vector128<byte> minuend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplySubtractBySelectedScalar(Vector128<sbyte> minuend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplySubtractBySelectedScalar(Vector128<ushort> minuend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplySubtractBySelectedScalar(Vector128<short> minuend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplySubtractBySelectedScalar(Vector128<uint> minuend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplySubtractBySelectedScalar(Vector128<int> minuend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of MUL/// </summary>publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector128<int>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL and UMLAL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL2 and UMLAL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL and UMLSL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL2 and UMLSL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL and UMULL/// </summary>publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL2 and UMULL2/// </summary>publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);}}}
              cc @terrajobst@tannergooding@TamarChristinaArm
              One more question: do we need rightIndex parameter at all for FusedMultiplyAddBySelectedScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right, byte rightIndex) since it only can have one value (i.e. 0)
              We might just have FusedMultiplyAddByScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right) for this one instead ? However, this could be confused with FusedMultiplyAddScalar(Vector64<double> acc, Vector64<double> left, Vector64<double> right)...
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[Arm64] More overloads for *BySelectedScalar methods · Issue #33683 · dotnet/runtime · GitHub
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                [Arm64] More overloads for *BySelectedScalar methods #33683
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                #36916
                Closed
                [Arm64] More overloads for *BySelectedScalar methods#33683
                #36916
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                echesakov
                Labels
                api-approvedAPI was approved in API review, it can be implementedarch-arm64area-System.Runtime.Intrinsics
                Milestone
                5.0.0
                Description
                @echesakov
                echesakov
                opened on Mar 17, 2020
                Follow-up on #24794 (comment)
                namespaceSystem.Runtime.Intrinsics.Arm{publicabstractclassAdvSimd{publicabstractclassArm64{/// <summary>/// Floating-point fused Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplyAddBySelectedScalar(Vector128<double>addend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplyAddBySelectedScalar(Vector128<float>addend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalarBySelectedScalar(Vector64<double>addend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplyAddScalarBySelectedScalar(Vector64<float>addend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplyAddScalar(Vector64<double>addend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplyAddByScalar(Vector128<double>addend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point fused Multiply-Subtract from accumulator/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of FMLA/// </summary>publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>FusedMultiplySubtractBySelectedScalar(Vector128<double>minuend,Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>FusedMultiplySubtractBySelectedScalar(Vector128<float>minuend,Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalarBySelectedScalar(Vector64<double>minuend,Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>FusedMultiplySubtractScalarBySelectedScalar(Vector64<float>minuend,Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>FusedMultiplySubtractScalar(Vector64<double>minuend,Vector64<double>left,Vector64<double>right);publicstaticVector128<double>FusedMultiplySubtractByScalar(Vector128<double>minuend,Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMUL/// </summary>publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector128<double>MultiplyBySelectedScalar(Vector128<double>left,Vector128<double>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);publicstaticVector128<float>MultiplyBySelectedScalar(Vector128<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Floating-point Multiply extended/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of FMULX/// </summary>// public static Vector64<float> MultiplyExtendedBySelectedScalar(Vector64<float> left, Vector64<float> right, byte rightIndex);publicstaticVector64<float>MultiplyExtendedBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);// public static Vector128<double> MultiplyExtendedBySelectedScalar(Vector128<double> left, Vector128<double> right, byte rightIndex);publicstaticVector128<float>MultiplyExtendedBySelectedScalar(Vector128<float>left,Vector64<float>right,byterightIndex);// public static Vector128<float> MultiplyExtendedBySelectedScalar(Vector128<float> left, Vector128<float> right, byte rightIndex);publicstaticVector64<double>MultiplyExtendedScalarBySelectedScalar(Vector64<double>left,Vector128<double>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector64<float>right,byterightIndex);publicstaticVector64<float>MultiplyExtendedScalarBySelectedScalar(Vector64<float>left,Vector128<float>right,byterightIndex);publicstaticVector64<double>MultiplyExtendedScalar(Vector64<double>left,Vector64<double>right);publicstaticVector128<double>MultiplyExtendedByScalar(Vector128<double>left,Vector64<double>right);/// <summary>/// Multiply-Add to accumulator/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of MLA/// </summary>// public static Vector64<byte> MultiplyAddBySelectedScalar(Vector64<byte> addend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplyAddBySelectedScalar(Vector64<sbyte> addend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplyAddBySelectedScalar(Vector64<ushort> addend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplyAddBySelectedScalar(Vector64<short> addend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplyAddBySelectedScalar(Vector64<uint> addend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplyAddBySelectedScalar(Vector64<int> addend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplyAddBySelectedScalar(Vector64<byte>addend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyAddBySelectedScalar(Vector64<sbyte>addend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyAddBySelectedScalar(Vector64<ushort>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyAddBySelectedScalar(Vector64<short>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyAddBySelectedScalar(Vector64<uint>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyAddBySelectedScalar(Vector64<int>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyAddBySelectedScalar(Vector128<byte>addend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyAddBySelectedScalar(Vector128<sbyte>addend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyAddBySelectedScalar(Vector128<ushort>addend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyAddBySelectedScalar(Vector128<short>addend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyAddBySelectedScalar(Vector128<uint>addend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyAddBySelectedScalar(Vector128<int>addend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplyAddBySelectedScalar(Vector128<byte> addend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplyAddBySelectedScalar(Vector128<sbyte> addend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplyAddBySelectedScalar(Vector128<ushort> addend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplyAddBySelectedScalar(Vector128<short> addend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplyAddBySelectedScalar(Vector128<uint> addend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplyAddBySelectedScalar(Vector128<int> addend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply-Subtract from accumulator/// For each element result[elem] = minuend - left[elem] * right[rightIndex]/// Corresponds to vector forms of MLS/// </summary>// public static Vector64<byte> MultiplySubtractBySelectedScalar(Vector64<byte> minuend, Vector64<byte> left, Vector64<byte> right, byte rightIndex);// public static Vector64<sbyte> MultiplySubtractBySelectedScalar(Vector64<sbyte> minuend, Vector64<sbyte> left, Vector64<sbyte> right, byte rightIndex);// public static Vector64<ushort> MultiplySubtractBySelectedScalar(Vector64<ushort> minuend, Vector64<ushort> left, Vector64<ushort> right, byte rightIndex);// public static Vector64<short> MultiplySubtractBySelectedScalar(Vector64<short> minuend, Vector64<short> left, Vector64<short> right, byte rightIndex);// public static Vector64<uint> MultiplySubtractBySelectedScalar(Vector64<uint> minuend, Vector64<uint> left, Vector64<uint> right, byte rightIndex);// public static Vector64<int> MultiplySubtractBySelectedScalar(Vector64<int> minuend, Vector64<int> left, Vector64<int> right, byte rightIndex);publicstaticVector64<byte>MultiplySubtractBySelectedScalar(Vector64<byte>minuend,Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplySubtractBySelectedScalar(Vector64<sbyte>minuend,Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplySubtractBySelectedScalar(Vector64<ushort>minuend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplySubtractBySelectedScalar(Vector64<short>minuend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplySubtractBySelectedScalar(Vector64<uint>minuend,Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplySubtractBySelectedScalar(Vector64<int>minuend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplySubtractBySelectedScalar(Vector128<byte>minuend,Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplySubtractBySelectedScalar(Vector128<sbyte>minuend,Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplySubtractBySelectedScalar(Vector128<ushort>minuend,Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplySubtractBySelectedScalar(Vector128<short>minuend,Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplySubtractBySelectedScalar(Vector128<uint>minuend,Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplySubtractBySelectedScalar(Vector128<int>minuend,Vector128<int>left,Vector64<int>right,byterightIndex);// public static Vector128<byte> MultiplySubtractBySelectedScalar(Vector128<byte> minuend, Vector128<byte> left, Vector128<byte> right, byte rightIndex);// public static Vector128<sbyte> MultiplySubtractBySelectedScalar(Vector128<sbyte> minuend, Vector128<sbyte> left, Vector128<sbyte> right, byte rightIndex);// public static Vector128<ushort> MultiplySubtractBySelectedScalar(Vector128<ushort> minuend, Vector128<ushort> left, Vector128<ushort> right, byte rightIndex);// public static Vector128<short> MultiplySubtractBySelectedScalar(Vector128<short> minuend, Vector128<short> left, Vector128<short> right, byte rightIndex);// public static Vector128<uint> MultiplySubtractBySelectedScalar(Vector128<uint> minuend, Vector128<uint> left, Vector128<uint> right, byte rightIndex);// public static Vector128<int> MultiplySubtractBySelectedScalar(Vector128<int> minuend, Vector128<int> left, Vector128<int> right, byte rightIndex);/// <summary>/// Multiply/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of MUL/// </summary>publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector64<byte>MultiplyBySelectedScalar(Vector64<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector64<sbyte>MultiplyBySelectedScalar(Vector64<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector64<ushort>MultiplyBySelectedScalar(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector64<short>MultiplyBySelectedScalar(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector64<uint>MultiplyBySelectedScalar(Vector64<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector64<int>MultiplyBySelectedScalar(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector64<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector64<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<byte>MultiplyBySelectedScalar(Vector128<byte>left,Vector128<byte>right,byterightIndex);publicstaticVector128<sbyte>MultiplyBySelectedScalar(Vector128<sbyte>left,Vector128<sbyte>right,byterightIndex);publicstaticVector128<ushort>MultiplyBySelectedScalar(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<short>MultiplyBySelectedScalar(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyBySelectedScalar(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyBySelectedScalar(Vector128<int>left,Vector128<int>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL and UMLAL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndAdd(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndAdd(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndAdd(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndAdd(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Add Long/// For each element result[elem] = addend[elem] + left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLAL2 and UMLAL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndAdd(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndAdd(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndAdd(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndAdd(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL and UMLSL/// </summary>publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLowerAndSubtract(Vector128<int>addend,Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLowerAndSubtract(Vector128<uint>addend,Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLowerAndSubtract(Vector128<long>addend,Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLowerAndSubtract(Vector128<ulong>addend,Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply-Subtract Long/// For each element result[elem] = minuend[elem] - left[elem] * right[rightIndex]/// Corresponds to vector forms of SMLSL2 and UMLSL2/// </summary>publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpperAndSubtract(Vector128<int>addend,Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpperAndSubtract(Vector128<uint>addend,Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpperAndSubtract(Vector128<long>addend,Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpperAndSubtract(Vector128<ulong>addend,Vector128<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL and UMULL/// </summary>publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector64<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector64<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector64<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector64<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningLower(Vector64<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningLower(Vector64<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningLower(Vector64<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningLower(Vector64<uint>left,Vector128<uint>right,byterightIndex);/// <summary>/// Signed or Unsigned Multiply Long/// For each element result[elem] = left[elem] * right[rightIndex]/// Corresponds to vector forms of SMULL2 and UMULL2/// </summary>publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);publicstaticVector128<int>MultiplyWideningUpper(Vector128<short>left,Vector128<short>right,byterightIndex);publicstaticVector128<uint>MultiplyWideningUpper(Vector128<ushort>left,Vector128<ushort>right,byterightIndex);publicstaticVector128<long>MultiplyWideningUpper(Vector128<int>left,Vector128<int>right,byterightIndex);publicstaticVector128<ulong>MultiplyWideningUpper(Vector128<uint>left,Vector128<uint>right,byterightIndex);}}}
                cc @terrajobst@tannergooding@TamarChristinaArm
                One more question: do we need rightIndex parameter at all for FusedMultiplyAddBySelectedScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right, byte rightIndex) since it only can have one value (i.e. 0)
                We might just have FusedMultiplyAddByScalar(Vector128<double> addend, Vector128<double> left, Vector64<double> right) for this one instead ? However, this could be confused with FusedMultiplyAddScalar(Vector64<double> acc, Vector64<double> left, Vector64<double> right)...
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