Arm64: Implement SVE2 APIs

This is to track the implementation of all of the SVE2 APIs.
SVE1 APIs were tracked in https://github.com/dotnet/runtime/issues/99957

### Approved APIs

### [Sve2 bitwise](https://github.com/dotnet/runtime/issues/94015)
- [x] BitwiseClearXor #115428
- [x] BitwiseSelect https://github.com/dotnet/runtime/pull/115775
- [x] BitwiseSelectLeftInverted https://github.com/dotnet/runtime/pull/115775
- [x] BitwiseSelectRightInverted https://github.com/dotnet/runtime/pull/115775
- [x] ShiftArithmeticRounded https://github.com/dotnet/runtime/pull/115774
- [x] ShiftArithmeticRoundedSaturate https://github.com/dotnet/runtime/pull/115774
- [x] ShiftArithmeticSaturate https://github.com/dotnet/runtime/pull/115774
- [x] ShiftLeftAndInsert https://github.com/dotnet/runtime/pull/115776
- [x] ShiftLeftLogicalSaturate https://github.com/dotnet/runtime/pull/116380
- [x] ShiftLeftLogicalSaturateUnsigned https://github.com/dotnet/runtime/pull/116380
- [x] ShiftLeftLogicalWideningEven https://github.com/dotnet/runtime/pull/116380
- [x] ShiftLeftLogicalWideningOdd https://github.com/dotnet/runtime/pull/116380
- [x] ShiftLogicalRounded https://github.com/dotnet/runtime/pull/116784
- [x] ShiftLogicalRoundedSaturate https://github.com/dotnet/runtime/pull/116784
- [x] ShiftRightAndInsert https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightArithmeticAdd https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightArithmeticNarrowingSaturateEven https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightArithmeticNarrowingSaturateOdd https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightArithmeticNarrowingSaturateUnsignedEven https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightArithmeticNarrowingSaturateUnsignedOdd https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightArithmeticRounded https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightArithmeticRoundedAdd https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightArithmeticRoundedNarrowingSaturateEven https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightArithmeticRoundedNarrowingSaturateOdd https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightArithmeticRoundedNarrowingSaturateUnsignedEven https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightArithmeticRoundedNarrowingSaturateUnsignedOdd https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightLogicalAdd https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightLogicalNarrowingEven https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightLogicalNarrowingOdd https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightLogicalRounded https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightLogicalRoundedAdd https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightLogicalRoundedNarrowingEven https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightLogicalRoundedNarrowingOdd https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightLogicalRoundedNarrowingSaturateEven https://github.com/dotnet/runtime/pull/116914
- [x] ShiftRightLogicalRoundedNarrowingSaturateOdd https://github.com/dotnet/runtime/pull/116914
- [x] Xor https://github.com/dotnet/runtime/pull/115891/
- [x] XorRotateRight https://github.com/dotnet/runtime/pull/115891/


### [Sve2 bitmanipulate](https://github.com/dotnet/runtime/issues/94020)
- [x] InterleavingXorEvenOdd https://github.com/dotnet/runtime/pull/116525
- [x] InterleavingXorOddEven https://github.com/dotnet/runtime/pull/116525
- [x] VectorTableLookup https://github.com/dotnet/runtime/pull/117051
- [x] VectorTableLookupExtension https://github.com/dotnet/runtime/pull/117051

### [Sve2 maths](https://github.com/dotnet/runtime/issues/94022)
- [x] AbsoluteDifferenceAdd https://github.com/dotnet/runtime/pull/115513
- [x] AbsoluteDifferenceWideningLowerAndAddEven https://github.com/dotnet/runtime/pull/115513
- [x] AbsoluteDifferenceWideningLowerAndAddOdd https://github.com/dotnet/runtime/pull/115513
- [x] AbsoluteDifferenceWideningEven https://github.com/dotnet/runtime/pull/116268
- [x] AbsoluteDifferenceWideningOdd https://github.com/dotnet/runtime/pull/116268
- [x] AddCarryWideningEven https://github.com/dotnet/runtime/pull/116429
- [x] AddCarryWideningOdd https://github.com/dotnet/runtime/pull/116429
- [x] AddHighNarrowingEven https://github.com/dotnet/runtime/pull/116848
- [x] AddHighNarrowingOdd https://github.com/dotnet/runtime/pull/116848
- [x] AddPairwise https://github.com/dotnet/runtime/pull/117188
- [x] AddPairwiseWideningAndAdd https://github.com/dotnet/runtime/pull/117188
- [x] AddSaturate https://github.com/dotnet/runtime/pull/117188
- [x] AddWideningEven https://github.com/dotnet/runtime/pull/117188
- [x] AddWideningOdd https://github.com/dotnet/runtime/pull/117188
- [x] AddWideningEvenOdd https://github.com/dotnet/runtime/pull/117188
- [x] DotProductRotateComplex https://github.com/dotnet/runtime/pull/117706
- [x] DotProductRotateComplexBySelectedIndex https://github.com/dotnet/runtime/pull/117706
- [x] FusedAddHalving https://github.com/dotnet/runtime/pull/117609
- [x] FusedSubtractHalving https://github.com/dotnet/runtime/pull/117609
- [x] MaxNumberPairwise https://github.com/dotnet/runtime/pull/117711
- [x] MaxPairwise https://github.com/dotnet/runtime/pull/117711
- [x] MinNumberPairwise https://github.com/dotnet/runtime/pull/117711
- [x] MinPairwise https://github.com/dotnet/runtime/pull/117711
- [x] MultiplyBySelectedScalar https://github.com/dotnet/runtime/pull/117660
- [x] MultiplyAddBySelectedScalar https://github.com/dotnet/runtime/pull/117660
- [x] MultiplyWideningEvenAndAdd https://github.com/dotnet/runtime/pull/117660
- [x] MultiplyBySelectedScalarWideningEvenAndAdd https://github.com/dotnet/runtime/pull/117660
- [x] MultiplyWideningOddAndAdd https://github.com/dotnet/runtime/pull/117660
- [x] MultiplyBySelectedScalarWideningOddAndAdd https://github.com/dotnet/runtime/pull/117660
- [x] MultiplySubtractBySelectedScalar https://github.com/dotnet/runtime/pull/117660
- [x] MultiplyWideningEvenAndSubtract https://github.com/dotnet/runtime/pull/117660
- [x] MultiplyBySelectedScalarWideningEvenAndSubtract https://github.com/dotnet/runtime/pull/117660
- [x] MultiplyWideningOddAndSubtract https://github.com/dotnet/runtime/pull/117660
- [x] MultiplyBySelectedScalarWideningOddAndSubtract https://github.com/dotnet/runtime/pull/117660
- [x] MultiplyWideningEven https://github.com/dotnet/runtime/pull/117660
- [x] MultiplyBySelectedScalarWideningEven https://github.com/dotnet/runtime/pull/117660
- [x] MultiplyWideningOdd https://github.com/dotnet/runtime/pull/117660
- [x] MultiplyBySelectedScalarWideningOdd https://github.com/dotnet/runtime/pull/117660
- [x] PolynomialMultiplyWideningEven https://github.com/dotnet/runtime/pull/117660
- [x] PolynomialMultiplyWideningOdd https://github.com/dotnet/runtime/pull/117660
- [x] AddRoundedHighNarrowingEven https://github.com/dotnet/runtime/pull/117719
- [x] AddRoundedHighNarrowingOdd https://github.com/dotnet/runtime/pull/117719
- [x] FusedAddRoundedHalving https://github.com/dotnet/runtime/pull/117719
- [x] SubtractRoundedHighNarrowingEven https://github.com/dotnet/runtime/pull/117719
- [x] SubtractRoundedHighNarrowingOdd https://github.com/dotnet/runtime/pull/117719
- [x] AbsSaturate https://github.com/dotnet/runtime/pull/117758
- [x] MultiplyDoublingWideningAndAddSaturateEven https://github.com/dotnet/runtime/pull/117758
- [x] MultiplyDoublingWideningBySelectedScalarAndAddSaturateEven https://github.com/dotnet/runtime/pull/117758
- [x] MultiplyDoublingWideningAndAddSaturateEvenOdd https://github.com/dotnet/runtime/pull/117758
- [x] MultiplyDoublingWideningAndAddSaturateOdd https://github.com/dotnet/runtime/pull/117758
- [x] MultiplyDoublingWideningBySelectedScalarAndAddSaturateOdd https://github.com/dotnet/runtime/pull/117758
- [x] MultiplyDoublingSaturateHigh https://github.com/dotnet/runtime/pull/118202
- [x] MultiplyDoublingBySelectedScalarSaturateHigh https://github.com/dotnet/runtime/pull/118202
- [x] MultiplyDoublingWideningAndSubtractSaturateEven https://github.com/dotnet/runtime/pull/117758
- [x] MultiplyDoublingWideningBySelectedScalarAndSubtractSaturateEven https://github.com/dotnet/runtime/pull/117758
- [x] MultiplyDoublingWideningAndSubtractSaturateEvenOdd https://github.com/dotnet/runtime/pull/117758
- [x] MultiplyDoublingWideningAndSubtractSaturateOdd https://github.com/dotnet/runtime/pull/117758
- [x] MultiplyDoublingWideningSaturateEven https://github.com/dotnet/runtime/pull/117934
- [x] MultiplyDoublingWideningSaturateEvenBySelectedScalar https://github.com/dotnet/runtime/pull/117934
- [x] MultiplyDoublingWideningSaturateOdd https://github.com/dotnet/runtime/pull/117934
- [x] MultiplyDoublingWideningSaturateOddBySelectedScalar https://github.com/dotnet/runtime/pull/117934
- [x] NegateSaturate https://github.com/dotnet/runtime/pull/117758
- [x] MultiplyRoundedDoublingSaturateAndAddHigh https://github.com/dotnet/runtime/pull/117934
- [x] MultiplyRoundedDoublingSaturateBySelectedScalarAndAddHigh https://github.com/dotnet/runtime/pull/117934
- [x] MultiplyRoundedDoublingSaturateHigh https://github.com/dotnet/runtime/pull/117934
- [x] MultiplyRoundedDoublingBySelectedScalarSaturateHigh https://github.com/dotnet/runtime/pull/117934
- [x] MultiplyRoundedDoublingSaturateAndSubtractHigh https://github.com/dotnet/runtime/pull/117934
- [x] MultiplyRoundedDoublingSaturateBySelectedScalarAndSubtractHigh https://github.com/dotnet/runtime/pull/117934
- [x] SubtractHighNarrowingEven https://github.com/dotnet/runtime/pull/117318
- [x] SubtractHighNarrowingOdd https://github.com/dotnet/runtime/pull/117318
- [x] SubtractSaturate https://github.com/dotnet/runtime/pull/117318
- [x] SubtractWideningEven https://github.com/dotnet/runtime/pull/117318
- [x] SubtractWideningOdd https://github.com/dotnet/runtime/pull/117318
- [x] SubtractWideningEven https://github.com/dotnet/runtime/pull/117318
- [x] SubtractWideningEvenOdd https://github.com/dotnet/runtime/pull/117318
- [x] SubtractWideningOdd https://github.com/dotnet/runtime/pull/117318
- [x] SubtractWideningOddEven https://github.com/dotnet/runtime/pull/117318
- [x] SubtractBorrowWideningEven https://github.com/dotnet/runtime/pull/117318
- [x] SubtractBorrowWideningOdd https://github.com/dotnet/runtime/pull/117318

### [Sve2 scatterstores](https://github.com/dotnet/runtime/issues/94023)
- [ ] Scatter16BitNarrowing
- [ ] Scatter16BitWithByteOffsetsNarrowing
- [ ] Scatter32BitNarrowing
- [ ] Scatter32BitWithByteOffsetsNarrowing
- [ ] Scatter8BitNarrowing
- [ ] Scatter8BitWithByteOffsetsNarrowing
- [ ] ScatterNonTemporal

### [Sve2 gatherloads](https://github.com/dotnet/runtime/issues/94019)
- [ ] GatherVectorByteZeroExtendNonTemporal
- [ ] GatherVectorInt16SignExtendNonTemporal
- [ ] GatherVectorInt16WithByteOffsetsSignExtendNonTemporal
- [ ] GatherVectorInt32SignExtendNonTemporal
- [ ] GatherVectorInt32WithByteOffsetsSignExtendNonTemporal
- [ ] GatherVectorNonTemporal
- [ ] GatherVectorSByteSignExtendNonTemporal
- [ ] GatherVectorUInt16WithByteOffsetsZeroExtendNonTemporal
- [ ] GatherVectorUInt16ZeroExtendNonTemporal
- [ ] GatherVectorUInt32WithByteOffsetsZeroExtendNonTemporal
- [ ] GatherVectorUInt32ZeroExtendNonTemporal

### [Sve2 fp](https://github.com/dotnet/runtime/issues/94018)
- [x] AddRotateComplex https://github.com/dotnet/runtime/pull/118332
- [ ] ConvertToSingleOdd
- [x] ConvertToSingleEvenRoundToOdd https://github.com/dotnet/runtime/pull/118332
- [ ] ConvertToSingleOddRoundToOdd
- [x] Log2 https://github.com/dotnet/runtime/pull/118332
- [x] MultiplyAddRotateComplex https://github.com/dotnet/runtime/pull/118332
- [x] MultiplyAddRotateComplexBySelectedScalar https://github.com/dotnet/runtime/pull/118332
- [x] ReciprocalEstimate https://github.com/dotnet/runtime/pull/118332
- [x] ReciprocalSqrtEstimate https://github.com/dotnet/runtime/pull/118332
- [x] AddSaturateRotateComplex https://github.com/dotnet/runtime/pull/118332
- [x] MultiplyAddRoundedDoublingSaturateHighRotateComplex https://github.com/dotnet/runtime/pull/118332
- [x] ConvertToDoubleOdd https://github.com/dotnet/runtime/pull/118332

### [Sve2 counting](https://github.com/dotnet/runtime/issues/94017)
- [ ] CountMatchingElements
- [ ] CountMatchingElementsIn128BitSegments

### In review

### [Sve2 mask](https://github.com/dotnet/runtime/issues/94021)
- [ ] CreateWhileGreaterThanMask
- [ ] CreateWhileGreaterThanOrEqualMask
- [ ] CreateWhileReadAfterWriteMask
- [ ] CreateWhileWriteAfterReadMask
- [ ] Match
- [ ] NoMatch
- [ ] SaturatingExtractNarrowingLower
- [ ] SaturatingExtractNarrowingUpper
- [ ] SaturatingExtractUnsignedNarrowingLower
- [ ] SaturatingExtractUnsignedNarrowingUpper





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Arm64: Implement SVE2 APIs #115479

Approved APIs

Sve2 bitwise

Sve2 bitmanipulate

Sve2 maths

Sve2 scatterstores

Sve2 gatherloads

Sve2 fp

Sve2 counting

In review

Sve2 mask

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Arm64: Implement SVE2 APIs #115479

Description

Approved APIs

In review

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