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[release/10.0] Fix incorrect codegen for SVE Scatter*With*Offsets* #119768

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[release/10.0] Fix incorrect codegen for SVE Scatter*With*Offsets* #119768

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21 changes: 17 additions & 4 deletions src/coreclr/jit/hwintrinsiccodegenarm64.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2285,12 +2285,8 @@ void CodeGen::genHWIntrinsic(GenTreeHWIntrinsic* node)

case NI_Sve_Scatter:
case NI_Sve_Scatter16BitNarrowing:
case NI_Sve_Scatter16BitWithByteOffsetsNarrowing:
case NI_Sve_Scatter32BitNarrowing:
case NI_Sve_Scatter32BitWithByteOffsetsNarrowing:
case NI_Sve_Scatter8BitNarrowing:
case NI_Sve_Scatter8BitWithByteOffsetsNarrowing:
case NI_Sve_ScatterWithByteOffsets:
{
if (!varTypeIsSIMD(intrin.op2->gtType))
{
Expand Down Expand Up @@ -2325,6 +2321,23 @@ void CodeGen::genHWIntrinsic(GenTreeHWIntrinsic* node)
break;
}

case NI_Sve_Scatter16BitWithByteOffsetsNarrowing:
case NI_Sve_Scatter32BitWithByteOffsetsNarrowing:
case NI_Sve_Scatter8BitWithByteOffsetsNarrowing:
case NI_Sve_ScatterWithByteOffsets:
{
emitAttr baseSize = emitActualTypeSize(intrin.baseType);

if (baseSize == EA_4BYTE)
{
opt = varTypeIsUnsigned(node->GetAuxiliaryType()) ? INS_OPTS_SCALABLE_S_UXTW
: INS_OPTS_SCALABLE_S_SXTW;
}

GetEmitter()->emitIns_R_R_R_R(ins, emitSize, op4Reg, op1Reg, op2Reg, op3Reg, opt);
break;
}

case NI_Sve_StoreNarrowing:
opt = emitter::optGetSveInsOpt(emitTypeSize(intrin.baseType));
GetEmitter()->emitIns_R_R_R_I(ins, emitSize, op3Reg, op1Reg, op2Reg, 0, opt);
Expand Down
24 changes: 12 additions & 12 deletions src/libraries/System.Private.CoreLib/src/System/Runtime/Intrinsics/Arm/Sve.cs
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Expand Up @@ -9074,73 +9074,73 @@ internal Arm64() { }
/// void svst1_scatter_[s64]offset[_f64](svbool_t pg, float64_t *base, svint64_t offsets, svfloat64_t data)
/// ST1D Zdata.D, Pg, [Xbase, Zoffsets.D]
/// </summary>
public static unsafe void ScatterWithByteOffsets(Vector<double> mask, double* address, Vector<long> offsets, Vector<double> data) => Scatter(mask, address, offsets, data);
public static unsafe void ScatterWithByteOffsets(Vector<double> mask, double* address, Vector<long> offsets, Vector<double> data) => ScatterWithByteOffsets(mask, address, offsets, data);

/// <summary>
/// void svst1_scatter_[u64]offset[_f64](svbool_t pg, float64_t *base, svuint64_t offsets, svfloat64_t data)
/// ST1D Zdata.D, Pg, [Xbase, Zoffsets.D]
/// </summary>
public static unsafe void ScatterWithByteOffsets(Vector<double> mask, double* address, Vector<ulong> offsets, Vector<double> data) => Scatter(mask, address, offsets, data);
public static unsafe void ScatterWithByteOffsets(Vector<double> mask, double* address, Vector<ulong> offsets, Vector<double> data) => ScatterWithByteOffsets(mask, address, offsets, data);

/// <summary>
/// void svst1_scatter_[s32]offset[_s32](svbool_t pg, int32_t *base, svint32_t offsets, svint32_t data)
/// ST1W Zdata.S, Pg, [Xbase, Zoffsets.S, SXTW]
/// </summary>
public static unsafe void ScatterWithByteOffsets(Vector<int> mask, int* address, Vector<int> offsets, Vector<int> data) => Scatter(mask, address, offsets, data);
public static unsafe void ScatterWithByteOffsets(Vector<int> mask, int* address, Vector<int> offsets, Vector<int> data) => ScatterWithByteOffsets(mask, address, offsets, data);

/// <summary>
/// void svst1_scatter_[u32]offset[_s32](svbool_t pg, int32_t *base, svuint32_t offsets, svint32_t data)
/// ST1W Zdata.S, Pg, [Xbase, Zoffsets.S, UXTW]
/// </summary>
public static unsafe void ScatterWithByteOffsets(Vector<int> mask, int* address, Vector<uint> offsets, Vector<int> data) => Scatter(mask, address, offsets, data);
public static unsafe void ScatterWithByteOffsets(Vector<int> mask, int* address, Vector<uint> offsets, Vector<int> data) => ScatterWithByteOffsets(mask, address, offsets, data);

/// <summary>
/// void svst1_scatter_[s64]offset[_s64](svbool_t pg, int64_t *base, svint64_t offsets, svint64_t data)
/// ST1D Zdata.D, Pg, [Xbase, Zoffsets.D]
/// </summary>
public static unsafe void ScatterWithByteOffsets(Vector<long> mask, long* address, Vector<long> offsets, Vector<long> data) => Scatter(mask, address, offsets, data);
public static unsafe void ScatterWithByteOffsets(Vector<long> mask, long* address, Vector<long> offsets, Vector<long> data) => ScatterWithByteOffsets(mask, address, offsets, data);

/// <summary>
/// void svst1_scatter_[u64]offset[_s64](svbool_t pg, int64_t *base, svuint64_t offsets, svint64_t data)
/// ST1D Zdata.D, Pg, [Xbase, Zoffsets.D]
/// </summary>
public static unsafe void ScatterWithByteOffsets(Vector<long> mask, long* address, Vector<ulong> offsets, Vector<long> data) => Scatter(mask, address, offsets, data);
public static unsafe void ScatterWithByteOffsets(Vector<long> mask, long* address, Vector<ulong> offsets, Vector<long> data) => ScatterWithByteOffsets(mask, address, offsets, data);

/// <summary>
/// void svst1_scatter_[s32]offset[_f32](svbool_t pg, float32_t *base, svint32_t offsets, svfloat32_t data)
/// ST1W Zdata.S, Pg, [Xbase, Zoffsets.S, SXTW]
/// </summary>
public static unsafe void ScatterWithByteOffsets(Vector<float> mask, float* address, Vector<int> offsets, Vector<float> data) => Scatter(mask, address, offsets, data);
public static unsafe void ScatterWithByteOffsets(Vector<float> mask, float* address, Vector<int> offsets, Vector<float> data) => ScatterWithByteOffsets(mask, address, offsets, data);

/// <summary>
/// void svst1_scatter_[u32]offset[_f32](svbool_t pg, float32_t *base, svuint32_t offsets, svfloat32_t data)
/// ST1W Zdata.S, Pg, [Xbase, Zoffsets.S, UXTW]
/// </summary>
public static unsafe void ScatterWithByteOffsets(Vector<float> mask, float* address, Vector<uint> offsets, Vector<float> data) => Scatter(mask, address, offsets, data);
public static unsafe void ScatterWithByteOffsets(Vector<float> mask, float* address, Vector<uint> offsets, Vector<float> data) => ScatterWithByteOffsets(mask, address, offsets, data);

/// <summary>
/// void svst1_scatter_[s32]offset[_u32](svbool_t pg, uint32_t *base, svint32_t offsets, svuint32_t data)
/// ST1W Zdata.S, Pg, [Xbase, Zoffsets.S, SXTW]
/// </summary>
public static unsafe void ScatterWithByteOffsets(Vector<uint> mask, uint* address, Vector<int> offsets, Vector<uint> data) => Scatter(mask, address, offsets, data);
public static unsafe void ScatterWithByteOffsets(Vector<uint> mask, uint* address, Vector<int> offsets, Vector<uint> data) => ScatterWithByteOffsets(mask, address, offsets, data);

/// <summary>
/// void svst1_scatter_[u32]offset[_u32](svbool_t pg, uint32_t *base, svuint32_t offsets, svuint32_t data)
/// ST1W Zdata.S, Pg, [Xbase, Zoffsets.S, UXTW]
/// </summary>
public static unsafe void ScatterWithByteOffsets(Vector<uint> mask, uint* address, Vector<uint> offsets, Vector<uint> data) => Scatter(mask, address, offsets, data);
public static unsafe void ScatterWithByteOffsets(Vector<uint> mask, uint* address, Vector<uint> offsets, Vector<uint> data) => ScatterWithByteOffsets(mask, address, offsets, data);

/// <summary>
/// void svst1_scatter_[s64]offset[_u64](svbool_t pg, uint64_t *base, svint64_t offsets, svuint64_t data)
/// ST1D Zdata.D, Pg, [Xbase, Zoffsets.D]
/// </summary>
public static unsafe void ScatterWithByteOffsets(Vector<ulong> mask, ulong* address, Vector<long> offsets, Vector<ulong> data) => Scatter(mask, address, offsets, data);
public static unsafe void ScatterWithByteOffsets(Vector<ulong> mask, ulong* address, Vector<long> offsets, Vector<ulong> data) => ScatterWithByteOffsets(mask, address, offsets, data);

/// <summary>
/// void svst1_scatter_[u64]offset[_u64](svbool_t pg, uint64_t *base, svuint64_t offsets, svuint64_t data)
/// ST1D Zdata.D, Pg, [Xbase, Zoffsets.D]
/// </summary>
public static unsafe void ScatterWithByteOffsets(Vector<ulong> mask, ulong* address, Vector<ulong> offsets, Vector<ulong> data) => Scatter(mask, address, offsets, data);
public static unsafe void ScatterWithByteOffsets(Vector<ulong> mask, ulong* address, Vector<ulong> offsets, Vector<ulong> data) => ScatterWithByteOffsets(mask, address, offsets, data);


// Write to the first-fault register
Expand Down
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