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Arm VectorTableLookup and VectorTableExtension - Part 2 #81599

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tannergooding opened this issue Feb 3, 2023 · 5 comments
Closed

Arm VectorTableLookup and VectorTableExtension - Part 2 #81599

tannergooding opened this issue Feb 3, 2023 · 5 comments
Labels
api-approved API was approved in API review, it can be implemented area-System.Runtime.Intrinsics blocking Marks issues that we want to fast track in order to unblock other important work
Milestone
8.0.0

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@tannergooding
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Background and Motivation

We reviewed and approved the variants of these instructions that take 1 input in #1277. As part of that review, we also considered the variants that take 2-4 inputs. However, we did not approve those variants due to open questions around how the JIT could efficiently handle everything and whether it should be exposed as a tuple or custom type.

We're now at a point where we have settled on a design for how the JIT handles this and have opted for using ValueTuple, which we have already successfully done in several other hwintrinsic APIs.

API Proposal

namespace System.Runtime.Intrinsics.Arm;

public partial class AdvSimd
{
    public static Vector64<byte>  VectorTableLookup((Vector128<byte> Row0, Vector128<byte> Row1)  table, Vector64<byte>  byteIndexes);
    public static Vector64<sbyte> VectorTableLookup((Vector128<sbyte> Row0, Vector128<byte> Row1) table, Vector64<sbyte> byteIndexes);

    public static Vector64<byte>  VectorTableLookupExtension(Vector64<byte> defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1) table, Vector64<byte>  byteIndexes);
    public static Vector64<sbyte> VectorTableLookupExtension(Vector64<byte> defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1) table, Vector64<sbyte> byteIndexes);

    public partial class Arm32
    {
        public static Vector64<byte>  VectorTableLookup ((Vector64<byte>  Row0, Vector64<byte>  Row1) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookup ((Vector64<sbyte> Row0, Vector64<sbyte> Row1) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookup ((Vector64<byte>  Row0, Vector64<byte>  Row1, Vector64<byte>  Row2) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookup ((Vector64<sbyte> Row0, Vector64<sbyte> Row1, Vector64<sbyte> Row2) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookup ((Vector64<byte>  Row0, Vector64<byte>  Row1, Vector64<byte>  Row2, Vector64<byte>  Row3) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookup ((Vector64<sbyte> Row0, Vector64<sbyte> Row1, Vector64<sbyte> Row2, Vector64<sbyte> Row3) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<byte>  Row0, Vector64<byte>  Row1) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<sbyte> Row0, Vector64<sbyte> Row1) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<byte>  Row0, Vector64<byte>  Row1,Vector64<byte>  Row2) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<sbyte> Row0, Vector64<sbyte> Row1,Vector64<sbyte> Row2) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<byte>  Row0, Vector64<byte>  Row1, Vector64<byte> Row2, Vector64<byte>  Row3) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<sbyte> Row0, Vector64<sbyte> Row1, Vector64<sbyte>Row2, Vector64<sbyte> Row3) table, Vector64<sbyte> byteIndexes);
    }

    public partial class Arm64
    {
        public static Vector64<byte>   VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte>  VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>   VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2, Vector128<byte>  Row3) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte>  VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2, Vector128<sbyte> Row3) table, Vector64<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1) table, Vector128<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2) table, Vector128<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2, Vector128<byte>  Row3) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2, Vector128<sbyte> Row3) table, Vector128<sbyte> byteIndexes);

        public static Vector64<byte>   VectorTableLookupExtension (Vector64<byte>  defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte>  VectorTableLookupExtension (Vector64<byte>  defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>   VectorTableLookupExtension (Vector64<byte>  defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2, Vector128<byte>  Row3) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte>  VectorTableLookupExtension (Vector64<byte>  defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2, Vector128<sbyte> Row3) table, Vector64<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1) table, Vector128<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2) table, Vector128<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2, Vector128<byte>  Row3) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2, Vector128<sbyte> Row3) table, Vector128<sbyte> byteIndexes);
    }
}
@tannergooding tannergooding added area-System.Runtime.Intrinsics blocking Marks issues that we want to fast track in order to unblock other important work api-ready-for-review API is ready for review, it is NOT ready for implementation labels Feb 3, 2023
@ghost ghost added the untriaged New issue has not been triaged by the area owner label Feb 3, 2023
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ghost commented Feb 3, 2023

Tagging subscribers to this area: @dotnet/area-system-runtime-intrinsics
See info in area-owners.md if you want to be subscribed.

Issue Details

Background and Motivation

We reviewed and approved the variants of these instructions that take 1 input in #1277. As part of that review, we also considered the variants that take 2-4 inputs. However, we did not approve those variants due to open questions around how the JIT could efficiently handle everything and whether it should be exposed as a tuple or custom type.

We're now at a point where we have settled on a design for how the JIT handles this and have opted for using ValueTuple, which we have already successfully done in several other hwintrinsic APIs.

API Proposal

namespace System.Runtime.Intrinsics.Arm;

public partial class AdvSimd
{
    public static Vector64<byte>  VectorTableLookup((Vector128<byte> Row0, Vector128<byte> Row1)  table, Vector64<byte>  byteIndexes);
    public static Vector64<sbyte> VectorTableLookup((Vector128<sbyte> Row0, Vector128<byte> Row1) table, Vector64<sbyte> byteIndexes);

    public static Vector64<byte>  VectorTableLookupExtension(Vector64<byte> defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1) table, Vector64<byte>  byteIndexes);
    public static Vector64<sbyte> VectorTableLookupExtension(Vector64<byte> defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1) table, Vector64<sbyte> byteIndexes);

    public partial class Arm32
    {
        public static Vector64<byte>  VectorTableLookup ((Vector64<byte>  Row0, Vector64<byte>  Row1) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookup ((Vector64<sbyte> Row0, Vector64<sbyte> Row1) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookup ((Vector64<byte>  Row0, Vector64<byte>  Row1, Vector64<byte>  Row2) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookup ((Vector64<sbyte> Row0, Vector64<sbyte> Row1, Vector64<sbyte> Row2) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookup ((Vector64<byte>  Row0, Vector64<byte>  Row1, Vector64<byte>  Row2, Vector64<byte>  Row3) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookup ((Vector64<sbyte> Row0, Vector64<sbyte> Row1, Vector64<sbyte> Row2, Vector64<sbyte> Row3) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<byte>  Row0, Vector64<byte>  Row1) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<sbyte> Row0, Vector64<sbyte> Row1) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<byte>  Row0, Vector64<byte>  Row1,Vector64<byte>  Row2) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<sbyte> Row0, Vector64<sbyte> Row1,Vector64<sbyte> Row2) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<byte>  Row0, Vector64<byte>  Row1, Vector64<byte> Row2, Vector64<byte>  Row3) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<sbyte> Row0, Vector64<sbyte> Row1, Vector64<sbyte>Row2, Vector64<sbyte> Row3) table, Vector64<sbyte> byteIndexes);
    }

    public partial class Arm64
    {
        public static Vector64<byte>   VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte>  VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>   VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2, Vector128<byte>  Row3) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte>  VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2, Vector128<sbyte> Row3) table, Vector64<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1) table, Vector128<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2) table, Vector128<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2, Vector128<byte>  Row3) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2, Vector128<sbyte> Row3) table, Vector128<sbyte> byteIndexes);

        public static Vector64<byte>   VectorTableLookupExtension (Vector64<byte>  defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte>  VectorTableLookupExtension (Vector64<byte>  defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>   VectorTableLookupExtension (Vector64<byte>  defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2, Vector128<byte>  Row3) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte>  VectorTableLookupExtension (Vector64<byte>  defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2, Vector128<sbyte> Row3) table, Vector64<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1) table, Vector128<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2) table, Vector128<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2, Vector128<byte>  Row3) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2, Vector128<sbyte> Row3) table, Vector128<sbyte> byteIndexes);
    }
}
Author: tannergooding
Assignees: -
Labels:

area-System.Runtime.Intrinsics, blocking, api-ready-for-review
Milestone: -

@tannergooding
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Marked as blocking since it needs to be reviewed before some of the work @kunalspathak has been doing can get merged

@tannergooding tannergooding removed the untriaged New issue has not been triaged by the area owner label Feb 3, 2023
@dakersnar dakersnar added this to the 8.0.0 milestone Feb 3, 2023
@kunalspathak
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Related #80297

@terrajobst
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terrajobst commented Feb 23, 2023 •
edited by dotnet-api-review bot
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  • Looks good as proposed.
    • There seem to be some copy & paste error where some sbyte should be byte
namespace System.Runtime.Intrinsics.Arm;

public partial class AdvSimd
{
    public static Vector64<byte>  VectorTableLookup((Vector128<byte> Row0, Vector128<byte> Row1)  table, Vector64<byte>  byteIndexes);
    public static Vector64<sbyte> VectorTableLookup((Vector128<sbyte> Row0, Vector128<byte> Row1) table, Vector64<sbyte> byteIndexes);

    public static Vector64<byte>  VectorTableLookupExtension(Vector64<byte> defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1) table, Vector64<byte>  byteIndexes);
    public static Vector64<sbyte> VectorTableLookupExtension(Vector64<byte> defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1) table, Vector64<sbyte> byteIndexes);

    public partial class Arm32
    {
        public static Vector64<byte>  VectorTableLookup ((Vector64<byte>  Row0, Vector64<byte>  Row1) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookup ((Vector64<sbyte> Row0, Vector64<sbyte> Row1) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookup ((Vector64<byte>  Row0, Vector64<byte>  Row1, Vector64<byte>  Row2) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookup ((Vector64<sbyte> Row0, Vector64<sbyte> Row1, Vector64<sbyte> Row2) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookup ((Vector64<byte>  Row0, Vector64<byte>  Row1, Vector64<byte>  Row2, Vector64<byte>  Row3) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookup ((Vector64<sbyte> Row0, Vector64<sbyte> Row1, Vector64<sbyte> Row2, Vector64<sbyte> Row3) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<byte>  Row0, Vector64<byte>  Row1) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<sbyte> Row0, Vector64<sbyte> Row1) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<byte>  Row0, Vector64<byte>  Row1,Vector64<byte>  Row2) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<sbyte> Row0, Vector64<sbyte> Row1,Vector64<sbyte> Row2) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>  VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<byte>  Row0, Vector64<byte>  Row1, Vector64<byte> Row2, Vector64<byte>  Row3) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte> VectorTableLookupExtension (Vector64<byte> defaultValues, (Vector64<sbyte> Row0, Vector64<sbyte> Row1, Vector64<sbyte>Row2, Vector64<sbyte> Row3) table, Vector64<sbyte> byteIndexes);
    }

    public partial class Arm64
    {
        public static Vector64<byte>   VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte>  VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>   VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2, Vector128<byte>  Row3) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte>  VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2, Vector128<sbyte> Row3) table, Vector64<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1) table, Vector128<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2) table, Vector128<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookup ((Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2, Vector128<byte>  Row3) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookup ((Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2, Vector128<sbyte> Row3) table, Vector128<sbyte> byteIndexes);

        public static Vector64<byte>   VectorTableLookupExtension (Vector64<byte>  defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte>  VectorTableLookupExtension (Vector64<byte>  defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2) table, Vector64<sbyte> byteIndexes);

        public static Vector64<byte>   VectorTableLookupExtension (Vector64<byte>  defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2, Vector128<byte>  Row3) table, Vector64<byte> byteIndexes);
        public static Vector64<sbyte>  VectorTableLookupExtension (Vector64<byte>  defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2, Vector128<sbyte> Row3) table, Vector64<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1) table, Vector128<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2) table, Vector128<sbyte> byteIndexes);

        public static Vector128<byte>  VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<byte>  Row0, Vector128<byte>  Row1, Vector128<byte>  Row2, Vector128<byte>  Row3) table, Vector128<byte> byteIndexes);
        public static Vector128<sbyte> VectorTableLookupExtension (Vector128<byte> defaultValues, (Vector128<sbyte> Row0, Vector128<sbyte> Row1, Vector128<sbyte> Row2, Vector128<sbyte> Row3) table, Vector128<sbyte> byteIndexes);
    }
}

@terrajobst terrajobst added api-approved API was approved in API review, it can be implemented and removed api-ready-for-review API is ready for review, it is NOT ready for implementation labels Feb 23, 2023
@tannergooding tannergooding mentioned this issue Feb 24, 2023
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This was referenced Mar 24, 2023
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@kunalspathak
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Completed by #80297

@ghost ghost locked as resolved and limited conversation to collaborators May 4, 2023
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