Skip to content

Implement SVE2 Counting APIs #122602

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
ylpoonlg wants to merge 2 commits into
base: main
Choose a base branch
from
Open

Implement SVE2 Counting APIs #122602

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
62c44ea
Implement SVE2 Counting APIs
ylpoonlg Dec 4, 2025
1ce6c14
Use CreateChecked in test helpers
ylpoonlg Dec 18, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions src/coreclr/jit/hwintrinsiclistarm64sve.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -344,6 +344,8 @@ HARDWARE_INTRINSIC(Sve2, ConvertToDoubleOdd,
HARDWARE_INTRINSIC(Sve2, ConvertToSingleEvenRoundToOdd, -1, -1, {INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_sve_fcvtx, INS_sve_fcvtx}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_BaseTypeFromFirstArg|HW_Flag_EmbeddedMaskedOperation|HW_Flag_LowMaskedOperation)
HARDWARE_INTRINSIC(Sve2, ConvertToSingleOdd, -1, 2, {INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_sve_fcvtnt, INS_invalid}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_BaseTypeFromFirstArg|HW_Flag_EmbeddedMaskedOperation|HW_Flag_LowMaskedOperation|HW_Flag_HasRMWSemantics)
HARDWARE_INTRINSIC(Sve2, ConvertToSingleOddRoundToOdd, -1, -1, {INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_sve_fcvtxnt, INS_invalid}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_BaseTypeFromFirstArg|HW_Flag_EmbeddedMaskedOperation|HW_Flag_LowMaskedOperation|HW_Flag_HasRMWSemantics)
HARDWARE_INTRINSIC(Sve2, CountMatchingElements, -1, 3, {INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_sve_histcnt, INS_sve_histcnt, INS_sve_histcnt, INS_sve_histcnt, INS_invalid, INS_invalid}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_BaseTypeFromFirstArg|HW_Flag_ExplicitMaskedOperation|HW_Flag_LowMaskedOperation|HW_Flag_ZeroingMaskedOperation)
HARDWARE_INTRINSIC(Sve2, CountMatchingElementsIn128BitSegments, -1, 2, {INS_sve_histseg, INS_sve_histseg, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_BaseTypeFromFirstArg)
HARDWARE_INTRINSIC(Sve2, DotProductRotateComplex, -1, 4, {INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_sve_cdot, INS_invalid, INS_sve_cdot, INS_invalid, INS_invalid, INS_invalid}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_HasRMWSemantics|HW_Flag_SpecialCodeGen|HW_Flag_HasImmediateOperand)
HARDWARE_INTRINSIC(Sve2, DotProductRotateComplexBySelectedIndex, -1, 5, {INS_sve_cdot, INS_invalid, INS_sve_cdot, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid, INS_invalid}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_HasRMWSemantics|HW_Flag_SpecialCodeGen|HW_Flag_HasImmediateOperand|HW_Flag_LowVectorOperation|HW_Flag_SpecialImport|HW_Flag_BaseTypeFromSecondArg)
HARDWARE_INTRINSIC(Sve2, FusedAddHalving, -1, -1, {INS_sve_shadd, INS_sve_uhadd, INS_sve_shadd, INS_sve_uhadd, INS_sve_shadd, INS_sve_uhadd, INS_sve_shadd, INS_sve_uhadd, INS_invalid, INS_invalid}, HW_Category_SIMD, HW_Flag_Scalable|HW_Flag_EmbeddedMaskedOperation|HW_Flag_HasRMWSemantics|HW_Flag_LowMaskedOperation)
Expand Down
42 changes: 42 additions & 0 deletions ...ies/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Sve2.PlatformNotSupported.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1216,6 +1216,48 @@ internal Arm64() { }
/// </summary>
public static Vector<float> ConvertToSingleOddRoundToOdd(Vector<float> even, Vector<double> value) { throw new PlatformNotSupportedException(); }


// Count matching elements in vector

/// <summary>
/// svuint32_t svhistcnt[_s32]_z(svbool_t pg, svint32_t op1, svint32_t op2)
/// HISTCNT Zresult.S, Pg/Z, Zop1.S, Zop2.S
/// </summary>
public static Vector<uint> CountMatchingElements(Vector<int> mask, Vector<int> left, Vector<int> right) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint64_t svhistcnt[_s64]_z(svbool_t pg, svint64_t op1, svint64_t op2)
/// HISTCNT Zresult.D, Pg/Z, Zop1.D, Zop2.D
/// </summary>
public static Vector<ulong> CountMatchingElements(Vector<long> mask, Vector<long> left, Vector<long> right) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint32_t svhistcnt[_u32]_z(svbool_t pg, svuint32_t op1, svuint32_t op2)
/// HISTCNT Zresult.S, Pg/Z, Zop1.S, Zop2.S
/// </summary>
public static Vector<uint> CountMatchingElements(Vector<uint> mask, Vector<uint> left, Vector<uint> right) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint64_t svhistcnt[_u64]_z(svbool_t pg, svuint64_t op1, svuint64_t op2)
/// HISTCNT Zresult.D, Pg/Z, Zop1.D, Zop2.D
/// </summary>
public static Vector<ulong> CountMatchingElements(Vector<ulong> mask, Vector<ulong> left, Vector<ulong> right) { throw new PlatformNotSupportedException(); }

// Count matching elements in vector segments

/// <summary>
/// svuint8_t svhistseg[_s8](svint8_t op1, svint8_t op2)
/// HISTSEG Zresult.B, Zop1.B, Zop2.B
/// </summary>
public static Vector<byte> CountMatchingElementsIn128BitSegments(Vector<sbyte> left, Vector<sbyte> right) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint8_t svhistseg[_u8](svuint8_t op1, svuint8_t op2)
/// HISTSEG Zresult.B, Zop1.B, Zop2.B
/// </summary>
public static Vector<byte> CountMatchingElementsIn128BitSegments(Vector<byte> left, Vector<byte> right) { throw new PlatformNotSupportedException(); }


// Complex dot product

/// <summary>
Expand Down
42 changes: 42 additions & 0 deletions src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Sve2.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1216,6 +1216,48 @@ internal Arm64() { }
/// </summary>
public static Vector<float> ConvertToSingleOddRoundToOdd(Vector<float> even, Vector<double> value) => ConvertToSingleOddRoundToOdd(even, value);


// Count matching elements in vector

/// <summary>
/// svuint32_t svhistcnt[_s32]_z(svbool_t pg, svint32_t op1, svint32_t op2)
/// HISTCNT Zresult.S, Pg/Z, Zop1.S, Zop2.S
/// </summary>
public static Vector<uint> CountMatchingElements(Vector<int> mask, Vector<int> left, Vector<int> right) => CountMatchingElements(mask, left, right);

/// <summary>
/// svuint64_t svhistcnt[_s64]_z(svbool_t pg, svint64_t op1, svint64_t op2)
/// HISTCNT Zresult.D, Pg/Z, Zop1.D, Zop2.D
/// </summary>
public static Vector<ulong> CountMatchingElements(Vector<long> mask, Vector<long> left, Vector<long> right) => CountMatchingElements(mask, left, right);

/// <summary>
/// svuint32_t svhistcnt[_u32]_z(svbool_t pg, svuint32_t op1, svuint32_t op2)
/// HISTCNT Zresult.S, Pg/Z, Zop1.S, Zop2.S
/// </summary>
public static Vector<uint> CountMatchingElements(Vector<uint> mask, Vector<uint> left, Vector<uint> right) => CountMatchingElements(mask, left, right);

/// <summary>
/// svuint64_t svhistcnt[_u64]_z(svbool_t pg, svuint64_t op1, svuint64_t op2)
/// HISTCNT Zresult.D, Pg/Z, Zop1.D, Zop2.D
/// </summary>
public static Vector<ulong> CountMatchingElements(Vector<ulong> mask, Vector<ulong> left, Vector<ulong> right) => CountMatchingElements(mask, left, right);

// Count matching elements in vector segments

/// <summary>
/// svuint8_t svhistseg[_s8](svint8_t op1, svint8_t op2)
/// HISTSEG Zresult.B, Zop1.B, Zop2.B
/// </summary>
public static Vector<byte> CountMatchingElementsIn128BitSegments(Vector<sbyte> left, Vector<sbyte> right) => CountMatchingElementsIn128BitSegments(left, right);

/// <summary>
/// svuint8_t svhistseg[_u8](svuint8_t op1, svuint8_t op2)
/// HISTSEG Zresult.B, Zop1.B, Zop2.B
/// </summary>
public static Vector<byte> CountMatchingElementsIn128BitSegments(Vector<byte> left, Vector<byte> right) => CountMatchingElementsIn128BitSegments(left, right);


// Complex dot product

/// <summary>
Expand Down
6 changes: 6 additions & 0 deletions src/libraries/System.Runtime.Intrinsics/ref/System.Runtime.Intrinsics.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6356,6 +6356,12 @@ internal Arm64() { }
public static System.Numerics.Vector<float> ConvertToSingleEvenRoundToOdd(System.Numerics.Vector<double> value) { throw null; }
public static System.Numerics.Vector<float> ConvertToSingleOdd(System.Numerics.Vector<float> even, System.Numerics.Vector<double> value) { throw null; }
public static System.Numerics.Vector<float> ConvertToSingleOddRoundToOdd(System.Numerics.Vector<float> even, System.Numerics.Vector<double> value) { throw null; }
public static System.Numerics.Vector<uint> CountMatchingElements(System.Numerics.Vector<int> mask, System.Numerics.Vector<int> left, System.Numerics.Vector<int> right) { throw null; }
public static System.Numerics.Vector<ulong> CountMatchingElements(System.Numerics.Vector<long> mask, System.Numerics.Vector<long> left, System.Numerics.Vector<long> right) { throw null; }
public static System.Numerics.Vector<uint> CountMatchingElements(System.Numerics.Vector<uint> mask, System.Numerics.Vector<uint> left, System.Numerics.Vector<uint> right) { throw null; }
public static System.Numerics.Vector<ulong> CountMatchingElements(System.Numerics.Vector<ulong> mask, System.Numerics.Vector<ulong> left, System.Numerics.Vector<ulong> right) { throw null; }
public static System.Numerics.Vector<byte> CountMatchingElementsIn128BitSegments(System.Numerics.Vector<sbyte> left, System.Numerics.Vector<sbyte> right) { throw null; }
public static System.Numerics.Vector<byte> CountMatchingElementsIn128BitSegments(System.Numerics.Vector<byte> left, System.Numerics.Vector<byte> right) { throw null; }
public static System.Numerics.Vector<int> DotProductRotateComplex(System.Numerics.Vector<int> addend, System.Numerics.Vector<sbyte> left, System.Numerics.Vector<sbyte> right, [ConstantExpected(Min = 0, Max = (byte)(3))] byte rotation) { throw null; }
public static System.Numerics.Vector<long> DotProductRotateComplex(System.Numerics.Vector<long> addend, System.Numerics.Vector<short> left, System.Numerics.Vector<short> right, [ConstantExpected(Min = 0, Max = (byte)(3))] byte rotation) { throw null; }
public static System.Numerics.Vector<int> DotProductRotateComplexBySelectedIndex(System.Numerics.Vector<int> addend, System.Numerics.Vector<sbyte> left, System.Numerics.Vector<sbyte> right, [ConstantExpected(Min = 0, Max = (byte)(3))] byte rightIndex, [ConstantExpected(Min = 0, Max = (byte)(3))] byte rotation) { throw null; }
Expand Down
Loading
Loading