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ARM64-SVE: LeadingSignCount, LeadingZeroCount, PopCount (dotnet#102548)
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* ARM64-SVE: LeadingSignCount + LeadingZeroCount

* Add popcount

* Fix PlatformNotSupported

* Fix summary headers for popcount

* Use SveSimpleVecOpTest for unsigned popcounts

* Add HW_Flag_LowMaskedOperation() to LeadingSignCount() and LeadingZeroCount()

---------

Co-authored-by: Kunal Pathak <[email protected]>
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@a74nh @kunalspathak @Ruihan-Yin
2 people authored and Ruihan-Yin committed May 30, 2024
1 parent 85ca231 commit 0d18dd3
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Showing 7 changed files with 876 additions and 14 deletions.
31 changes: 17 additions & 14 deletions src/coreclr/jit/hwintrinsiclistarm64sve.h
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186 changes: 186 additions & 0 deletions ...ries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Sve.PlatformNotSupported.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1319,6 +1319,109 @@ internal Arm64() { }
/// </summary>
public static unsafe Vector<float> FusedMultiplySubtractNegated(Vector<float> minuend, Vector<float> left, Vector<float> right) { throw new PlatformNotSupportedException(); }


/// Count leading sign bits

/// <summary>
/// svuint8_t svcls[_s8]_m(svuint8_t inactive, svbool_t pg, svint8_t op)
/// svuint8_t svcls[_s8]_x(svbool_t pg, svint8_t op)
/// svuint8_t svcls[_s8]_z(svbool_t pg, svint8_t op)
/// CLS Ztied.B, Pg/M, Zop.B
/// </summary>
public static unsafe Vector<byte> LeadingSignCount(Vector<sbyte> value){ throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint16_t svcls[_s16]_m(svuint16_t inactive, svbool_t pg, svint16_t op)
/// svuint16_t svcls[_s16]_x(svbool_t pg, svint16_t op)
/// svuint16_t svcls[_s16]_z(svbool_t pg, svint16_t op)
/// CLS Ztied.H, Pg/M, Zop.H
/// </summary>
public static unsafe Vector<ushort> LeadingSignCount(Vector<short> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint32_t svcls[_s32]_m(svuint32_t inactive, svbool_t pg, svint32_t op)
/// svuint32_t svcls[_s32]_x(svbool_t pg, svint32_t op)
/// svuint32_t svcls[_s32]_z(svbool_t pg, svint32_t op)
/// CLS Ztied.S, Pg/M, Zop.S
/// </summary>
public static unsafe Vector<uint> LeadingSignCount(Vector<int> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint64_t svcls[_s64]_m(svuint64_t inactive, svbool_t pg, svint64_t op)
/// svuint64_t svcls[_s64]_x(svbool_t pg, svint64_t op)
/// svuint64_t svcls[_s64]_z(svbool_t pg, svint64_t op)
/// CLS Ztied.D, Pg/M, Zop.D
/// </summary>
public static unsafe Vector<ulong> LeadingSignCount(Vector<long> value) { throw new PlatformNotSupportedException(); }


/// Count leading zero bits

/// <summary>
/// svuint8_t svclz[_s8]_m(svuint8_t inactive, svbool_t pg, svint8_t op)
/// svuint8_t svclz[_s8]_x(svbool_t pg, svint8_t op)
/// svuint8_t svclz[_s8]_z(svbool_t pg, svint8_t op)
/// CLZ Ztied.B, Pg/M, Zop.B
/// </summary>
public static unsafe Vector<byte> LeadingZeroCount(Vector<sbyte> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint8_t svclz[_u8]_m(svuint8_t inactive, svbool_t pg, svuint8_t op)
/// svuint8_t svclz[_u8]_x(svbool_t pg, svuint8_t op)
/// svuint8_t svclz[_u8]_z(svbool_t pg, svuint8_t op)
/// CLZ Ztied.B, Pg/M, Zop.B
/// </summary>
public static unsafe Vector<byte> LeadingZeroCount(Vector<byte> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint16_t svclz[_s16]_m(svuint16_t inactive, svbool_t pg, svint16_t op)
/// svuint16_t svclz[_s16]_x(svbool_t pg, svint16_t op)
/// svuint16_t svclz[_s16]_z(svbool_t pg, svint16_t op)
/// CLZ Ztied.H, Pg/M, Zop.H
/// </summary>
public static unsafe Vector<ushort> LeadingZeroCount(Vector<short> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint16_t svclz[_u16]_m(svuint16_t inactive, svbool_t pg, svuint16_t op)
/// svuint16_t svclz[_u16]_x(svbool_t pg, svuint16_t op)
/// svuint16_t svclz[_u16]_z(svbool_t pg, svuint16_t op)
/// CLZ Ztied.H, Pg/M, Zop.H
/// </summary>
public static unsafe Vector<ushort> LeadingZeroCount(Vector<ushort> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint32_t svclz[_s32]_m(svuint32_t inactive, svbool_t pg, svint32_t op)
/// svuint32_t svclz[_s32]_x(svbool_t pg, svint32_t op)
/// svuint32_t svclz[_s32]_z(svbool_t pg, svint32_t op)
/// CLZ Ztied.S, Pg/M, Zop.S
/// </summary>
public static unsafe Vector<uint> LeadingZeroCount(Vector<int> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint32_t svclz[_u32]_m(svuint32_t inactive, svbool_t pg, svuint32_t op)
/// svuint32_t svclz[_u32]_x(svbool_t pg, svuint32_t op)
/// svuint32_t svclz[_u32]_z(svbool_t pg, svuint32_t op)
/// CLZ Ztied.S, Pg/M, Zop.S
/// </summary>
public static unsafe Vector<uint> LeadingZeroCount(Vector<uint> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint64_t svclz[_s64]_m(svuint64_t inactive, svbool_t pg, svint64_t op)
/// svuint64_t svclz[_s64]_x(svbool_t pg, svint64_t op)
/// svuint64_t svclz[_s64]_z(svbool_t pg, svint64_t op)
/// CLZ Ztied.D, Pg/M, Zop.D
/// </summary>
public static unsafe Vector<ulong> LeadingZeroCount(Vector<long> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint64_t svclz[_u64]_m(svuint64_t inactive, svbool_t pg, svuint64_t op)
/// svuint64_t svclz[_u64]_x(svbool_t pg, svuint64_t op)
/// svuint64_t svclz[_u64]_z(svbool_t pg, svuint64_t op)
/// CLZ Ztied.D, Pg/M, Zop.D
/// </summary>
public static unsafe Vector<ulong> LeadingZeroCount(Vector<ulong> value) { throw new PlatformNotSupportedException(); }


/// LoadVector : Unextended load

/// <summary>
Expand Down Expand Up @@ -2490,6 +2593,89 @@ internal Arm64() { }
public static unsafe Vector<ulong> OrAcross(Vector<ulong> value) { throw new PlatformNotSupportedException(); }


/// Count nonzero bits

/// <summary>
/// svuint8_t svcnt[_s8]_m(svuint8_t inactive, svbool_t pg, svint8_t op)
/// svuint8_t svcnt[_s8]_x(svbool_t pg, svint8_t op)
/// svuint8_t svcnt[_s8]_z(svbool_t pg, svint8_t op)
/// CNT Ztied.B, Pg/M, Zop.B
/// </summary>
public static unsafe Vector<byte> PopCount(Vector<sbyte> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint8_t svcnt[_u8]_m(svuint8_t inactive, svbool_t pg, svuint8_t op)
/// svuint8_t svcnt[_u8]_x(svbool_t pg, svuint8_t op)
/// svuint8_t svcnt[_u8]_z(svbool_t pg, svuint8_t op)
/// CNT Ztied.B, Pg/M, Zop.B
/// </summary>
public static unsafe Vector<byte> PopCount(Vector<byte> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint16_t svcnt[_s16]_m(svuint16_t inactive, svbool_t pg, svint16_t op)
/// svuint16_t svcnt[_s16]_x(svbool_t pg, svint16_t op)
/// svuint16_t svcnt[_s16]_z(svbool_t pg, svint16_t op)
/// CNT Ztied.H, Pg/M, Zop.H
/// </summary>
public static unsafe Vector<ushort> PopCount(Vector<short> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint16_t svcnt[_u16]_m(svuint16_t inactive, svbool_t pg, svuint16_t op)
/// svuint16_t svcnt[_u16]_x(svbool_t pg, svuint16_t op)
/// svuint16_t svcnt[_u16]_z(svbool_t pg, svuint16_t op)
/// CNT Ztied.H, Pg/M, Zop.H
/// </summary>
public static unsafe Vector<ushort> PopCount(Vector<ushort> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint32_t svcnt[_s32]_m(svuint32_t inactive, svbool_t pg, svint32_t op)
/// svuint32_t svcnt[_s32]_x(svbool_t pg, svint32_t op)
/// svuint32_t svcnt[_s32]_z(svbool_t pg, svint32_t op)
/// CNT Ztied.S, Pg/M, Zop.S
/// </summary>
public static unsafe Vector<uint> PopCount(Vector<int> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint32_t svcnt[_f32]_m(svuint32_t inactive, svbool_t pg, svfloat32_t op)
/// svuint32_t svcnt[_f32]_x(svbool_t pg, svfloat32_t op)
/// svuint32_t svcnt[_f32]_z(svbool_t pg, svfloat32_t op)
/// CNT Ztied.S, Pg/M, Zop.S
/// </summary>
public static unsafe Vector<uint> PopCount(Vector<float> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint32_t svcnt[_u32]_m(svuint32_t inactive, svbool_t pg, svuint32_t op)
/// svuint32_t svcnt[_u32]_x(svbool_t pg, svuint32_t op)
/// svuint32_t svcnt[_u32]_z(svbool_t pg, svuint32_t op)
/// CNT Ztied.S, Pg/M, Zop.S
/// </summary>
public static unsafe Vector<uint> PopCount(Vector<uint> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint64_t svcnt[_f64]_m(svuint64_t inactive, svbool_t pg, svfloat64_t op)
/// svuint64_t svcnt[_f64]_x(svbool_t pg, svfloat64_t op)
/// svuint64_t svcnt[_f64]_z(svbool_t pg, svfloat64_t op)
/// CNT Ztied.D, Pg/M, Zop.D
/// </summary>
public static unsafe Vector<ulong> PopCount(Vector<double> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint64_t svcnt[_s64]_m(svuint64_t inactive, svbool_t pg, svint64_t op)
/// svuint64_t svcnt[_s64]_x(svbool_t pg, svint64_t op)
/// svuint64_t svcnt[_s64]_z(svbool_t pg, svint64_t op)
/// CNT Ztied.D, Pg/M, Zop.D
/// </summary>
public static unsafe Vector<ulong> PopCount(Vector<long> value) { throw new PlatformNotSupportedException(); }

/// <summary>
/// svuint64_t svcnt[_u64]_m(svuint64_t inactive, svbool_t pg, svuint64_t op)
/// svuint64_t svcnt[_u64]_x(svbool_t pg, svuint64_t op)
/// svuint64_t svcnt[_u64]_z(svbool_t pg, svuint64_t op)
/// CNT Ztied.D, Pg/M, Zop.D
/// </summary>
public static unsafe Vector<ulong> PopCount(Vector<ulong> value) { throw new PlatformNotSupportedException(); }


/// SignExtend16 : Sign-extend the low 16 bits

/// <summary>
Expand Down
186 changes: 186 additions & 0 deletions src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Sve.cs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1375,6 +1375,109 @@ internal Arm64() { }
/// </summary>
public static unsafe Vector<float> FusedMultiplySubtractNegated(Vector<float> minuend, Vector<float> left, Vector<float> right) => FusedMultiplySubtractNegated(minuend, left, right);


/// LeadingSignCount : Count leading sign bits

/// <summary>
/// svuint8_t svcls[_s8]_m(svuint8_t inactive, svbool_t pg, svint8_t op)
/// svuint8_t svcls[_s8]_x(svbool_t pg, svint8_t op)
/// svuint8_t svcls[_s8]_z(svbool_t pg, svint8_t op)
/// CLS Ztied.B, Pg/M, Zop.B
/// </summary>
public static unsafe Vector<byte> LeadingSignCount(Vector<sbyte> value) => LeadingSignCount(value);

/// <summary>
/// svuint16_t svcls[_s16]_m(svuint16_t inactive, svbool_t pg, svint16_t op)
/// svuint16_t svcls[_s16]_x(svbool_t pg, svint16_t op)
/// svuint16_t svcls[_s16]_z(svbool_t pg, svint16_t op)
/// CLS Ztied.H, Pg/M, Zop.H
/// </summary>
public static unsafe Vector<ushort> LeadingSignCount(Vector<short> value) => LeadingSignCount(value);

/// <summary>
/// svuint32_t svcls[_s32]_m(svuint32_t inactive, svbool_t pg, svint32_t op)
/// svuint32_t svcls[_s32]_x(svbool_t pg, svint32_t op)
/// svuint32_t svcls[_s32]_z(svbool_t pg, svint32_t op)
/// CLS Ztied.S, Pg/M, Zop.S
/// </summary>
public static unsafe Vector<uint> LeadingSignCount(Vector<int> value) => LeadingSignCount(value);

/// <summary>
/// svuint64_t svcls[_s64]_m(svuint64_t inactive, svbool_t pg, svint64_t op)
/// svuint64_t svcls[_s64]_x(svbool_t pg, svint64_t op)
/// svuint64_t svcls[_s64]_z(svbool_t pg, svint64_t op)
/// CLS Ztied.D, Pg/M, Zop.D
/// </summary>
public static unsafe Vector<ulong> LeadingSignCount(Vector<long> value) => LeadingSignCount(value);


/// LeadingZeroCount : Count leading zero bits

/// <summary>
/// svuint8_t svclz[_s8]_m(svuint8_t inactive, svbool_t pg, svint8_t op)
/// svuint8_t svclz[_s8]_x(svbool_t pg, svint8_t op)
/// svuint8_t svclz[_s8]_z(svbool_t pg, svint8_t op)
/// CLZ Ztied.B, Pg/M, Zop.B
/// </summary>
public static unsafe Vector<byte> LeadingZeroCount(Vector<sbyte> value) => LeadingZeroCount(value);

/// <summary>
/// svuint8_t svclz[_u8]_m(svuint8_t inactive, svbool_t pg, svuint8_t op)
/// svuint8_t svclz[_u8]_x(svbool_t pg, svuint8_t op)
/// svuint8_t svclz[_u8]_z(svbool_t pg, svuint8_t op)
/// CLZ Ztied.B, Pg/M, Zop.B
/// </summary>
public static unsafe Vector<byte> LeadingZeroCount(Vector<byte> value) => LeadingZeroCount(value);

/// <summary>
/// svuint16_t svclz[_s16]_m(svuint16_t inactive, svbool_t pg, svint16_t op)
/// svuint16_t svclz[_s16]_x(svbool_t pg, svint16_t op)
/// svuint16_t svclz[_s16]_z(svbool_t pg, svint16_t op)
/// CLZ Ztied.H, Pg/M, Zop.H
/// </summary>
public static unsafe Vector<ushort> LeadingZeroCount(Vector<short> value) => LeadingZeroCount(value);

/// <summary>
/// svuint16_t svclz[_u16]_m(svuint16_t inactive, svbool_t pg, svuint16_t op)
/// svuint16_t svclz[_u16]_x(svbool_t pg, svuint16_t op)
/// svuint16_t svclz[_u16]_z(svbool_t pg, svuint16_t op)
/// CLZ Ztied.H, Pg/M, Zop.H
/// </summary>
public static unsafe Vector<ushort> LeadingZeroCount(Vector<ushort> value) => LeadingZeroCount(value);

/// <summary>
/// svuint32_t svclz[_s32]_m(svuint32_t inactive, svbool_t pg, svint32_t op)
/// svuint32_t svclz[_s32]_x(svbool_t pg, svint32_t op)
/// svuint32_t svclz[_s32]_z(svbool_t pg, svint32_t op)
/// CLZ Ztied.S, Pg/M, Zop.S
/// </summary>
public static unsafe Vector<uint> LeadingZeroCount(Vector<int> value) => LeadingZeroCount(value);

/// <summary>
/// svuint32_t svclz[_u32]_m(svuint32_t inactive, svbool_t pg, svuint32_t op)
/// svuint32_t svclz[_u32]_x(svbool_t pg, svuint32_t op)
/// svuint32_t svclz[_u32]_z(svbool_t pg, svuint32_t op)
/// CLZ Ztied.S, Pg/M, Zop.S
/// </summary>
public static unsafe Vector<uint> LeadingZeroCount(Vector<uint> value) => LeadingZeroCount(value);

/// <summary>
/// svuint64_t svclz[_s64]_m(svuint64_t inactive, svbool_t pg, svint64_t op)
/// svuint64_t svclz[_s64]_x(svbool_t pg, svint64_t op)
/// svuint64_t svclz[_s64]_z(svbool_t pg, svint64_t op)
/// CLZ Ztied.D, Pg/M, Zop.D
/// </summary>
public static unsafe Vector<ulong> LeadingZeroCount(Vector<long> value) => LeadingZeroCount(value);

/// <summary>
/// svuint64_t svclz[_u64]_m(svuint64_t inactive, svbool_t pg, svuint64_t op)
/// svuint64_t svclz[_u64]_x(svbool_t pg, svuint64_t op)
/// svuint64_t svclz[_u64]_z(svbool_t pg, svuint64_t op)
/// CLZ Ztied.D, Pg/M, Zop.D
/// </summary>
public static unsafe Vector<ulong> LeadingZeroCount(Vector<ulong> value) => LeadingZeroCount(value);


/// LoadVector : Unextended load

/// <summary>
Expand Down Expand Up @@ -2545,6 +2648,89 @@ internal Arm64() { }
public static unsafe Vector<ulong> OrAcross(Vector<ulong> value) => OrAcross(value);


/// Count nonzero bits

/// <summary>
/// svuint8_t svcnt[_s8]_m(svuint8_t inactive, svbool_t pg, svint8_t op)
/// svuint8_t svcnt[_s8]_x(svbool_t pg, svint8_t op)
/// svuint8_t svcnt[_s8]_z(svbool_t pg, svint8_t op)
/// CNT Ztied.B, Pg/M, Zop.B
/// </summary>
public static unsafe Vector<byte> PopCount(Vector<sbyte> value) => PopCount(value);

/// <summary>
/// svuint8_t svcnt[_u8]_m(svuint8_t inactive, svbool_t pg, svuint8_t op)
/// svuint8_t svcnt[_u8]_x(svbool_t pg, svuint8_t op)
/// svuint8_t svcnt[_u8]_z(svbool_t pg, svuint8_t op)
/// CNT Ztied.B, Pg/M, Zop.B
/// </summary>
public static unsafe Vector<byte> PopCount(Vector<byte> value) => PopCount(value);

/// <summary>
/// svuint16_t svcnt[_s16]_m(svuint16_t inactive, svbool_t pg, svint16_t op)
/// svuint16_t svcnt[_s16]_x(svbool_t pg, svint16_t op)
/// svuint16_t svcnt[_s16]_z(svbool_t pg, svint16_t op)
/// CNT Ztied.H, Pg/M, Zop.H
/// </summary>
public static unsafe Vector<ushort> PopCount(Vector<short> value) => PopCount(value);

/// <summary>
/// svuint16_t svcnt[_u16]_m(svuint16_t inactive, svbool_t pg, svuint16_t op)
/// svuint16_t svcnt[_u16]_x(svbool_t pg, svuint16_t op)
/// svuint16_t svcnt[_u16]_z(svbool_t pg, svuint16_t op)
/// CNT Ztied.H, Pg/M, Zop.H
/// </summary>
public static unsafe Vector<ushort> PopCount(Vector<ushort> value) => PopCount(value);

/// <summary>
/// svuint32_t svcnt[_s32]_m(svuint32_t inactive, svbool_t pg, svint32_t op)
/// svuint32_t svcnt[_s32]_x(svbool_t pg, svint32_t op)
/// svuint32_t svcnt[_s32]_z(svbool_t pg, svint32_t op)
/// CNT Ztied.S, Pg/M, Zop.S
/// </summary>
public static unsafe Vector<uint> PopCount(Vector<int> value) => PopCount(value);

/// <summary>
/// svuint32_t svcnt[_f32]_m(svuint32_t inactive, svbool_t pg, svfloat32_t op)
/// svuint32_t svcnt[_f32]_x(svbool_t pg, svfloat32_t op)
/// svuint32_t svcnt[_f32]_z(svbool_t pg, svfloat32_t op)
/// CNT Ztied.S, Pg/M, Zop.S
/// </summary>
public static unsafe Vector<uint> PopCount(Vector<float> value) => PopCount(value);

/// <summary>
/// svuint32_t svcnt[_u32]_m(svuint32_t inactive, svbool_t pg, svuint32_t op)
/// svuint32_t svcnt[_u32]_x(svbool_t pg, svuint32_t op)
/// svuint32_t svcnt[_u32]_z(svbool_t pg, svuint32_t op)
/// CNT Ztied.S, Pg/M, Zop.S
/// </summary>
public static unsafe Vector<uint> PopCount(Vector<uint> value) => PopCount(value);

/// <summary>
/// svuint64_t svcnt[_f64]_m(svuint64_t inactive, svbool_t pg, svfloat64_t op)
/// svuint64_t svcnt[_f64]_x(svbool_t pg, svfloat64_t op)
/// svuint64_t svcnt[_f64]_z(svbool_t pg, svfloat64_t op)
/// CNT Ztied.D, Pg/M, Zop.D
/// </summary>
public static unsafe Vector<ulong> PopCount(Vector<double> value) => PopCount(value);

/// <summary>
/// svuint64_t svcnt[_s64]_m(svuint64_t inactive, svbool_t pg, svint64_t op)
/// svuint64_t svcnt[_s64]_x(svbool_t pg, svint64_t op)
/// svuint64_t svcnt[_s64]_z(svbool_t pg, svint64_t op)
/// CNT Ztied.D, Pg/M, Zop.D
/// </summary>
public static unsafe Vector<ulong> PopCount(Vector<long> value) => PopCount(value);

/// <summary>
/// svuint64_t svcnt[_u64]_m(svuint64_t inactive, svbool_t pg, svuint64_t op)
/// svuint64_t svcnt[_u64]_x(svbool_t pg, svuint64_t op)
/// svuint64_t svcnt[_u64]_z(svbool_t pg, svuint64_t op)
/// CNT Ztied.D, Pg/M, Zop.D
/// </summary>
public static unsafe Vector<ulong> PopCount(Vector<ulong> value) => PopCount(value);


/// SignExtend16 : Sign-extend the low 16 bits

/// <summary>
Expand Down
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