| AI Engine-ML Intrinsics User Guide (v2026.1)

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Topics | Enumerations
Shuffle
Vector Operations

## Overview

Intrinsics allowing you perform vector shuffles.

This table gives the different shuffle modes. For an illustration see Illustration of Shuffle Modes.

Element Size | Matrix Transpose Dimensions | Mode Value
--- | --- | ---
Forward operation (Deinterleaving) | Backward Operation (Interleaving)
extract low | extract high | extract low | extract high
8-bit | 64x2 → 2x64 | shuffle_T8_64x2_lo | shuffle_T8_64x2_hi | shuffle_T8_2x64_lo | shuffle_T8_2x64_hi
16-bit | 32x2 → 2x32 | shuffle_T16_32x2_lo | shuffle_T16_32x2_hi | shuffle_T16_2x32_lo | shuffle_T16_2x32_hi
32-bit | 16x2 → 2x16 | shuffle_T32_16x2_lo | shuffle_T32_16x2_hi | shuffle_T32_2x16_lo | shuffle_T32_2x16_hi
64-bit | 8x2 → 2x8 | shuffle_T64_8x2_lo | shuffle_T64_8x2_hi | shuffle_T64_2x8_lo | shuffle_T64_2x8_hi
128-bit | 4x2 → 2x4 | shuffle_T128_4x2_lo | shuffle_T128_4x2_hi | shuffle_T128_2x4_lo | shuffle_T128_2x4_hi
256-bit | 2x2 → 2x2 | shuffle_T256_2x2_lo | shuffle_T256_2x2_hi | shuffle_T256_2x2_lo | shuffle_T256_2x2_hi
512-bit | 1x2 → 2x1 | shuffle_T512_1x2_lo | shuffle_T512_1x2_hi | shuffle_T512_1x2_lo | shuffle_T512_1x2_hi
16-bit | 16x4 → 4x16 | shuffle_T16_16x4_lo | shuffle_T16_16x4_hi | shuffle_T16_4x16_lo | shuffle_T16_4x16_hi
16-bit | 8x4 → 4x8 | shuffle_T16_8x4 | - | shuffle_T16_4x8 | -
32-bit | 8x4 → 4x8 | shuffle_T32_8x4_lo | shuffle_T32_8x4_hi | shuffle_T32_4x8_lo | shuffle_T32_4x8_hi
32-bit | 4x4 → 4x4 | shuffle_T32_4x4 | - | shuffle_T32_4x4 | -
8-bit | 8x8 → 8x8 | shuffle_T8_8x8 | - | shuffle_T32_8x8 | -
8-bit | 16x4 → 4x16 | shuffle_T8_16x4 | - | shuffle_T8_4x16 | -
16-bit | 16x[a,b] → 16x[b,a] | shuffle_T16_1x2_flip | - | shuffle_T16_1x2_flip | -
16-bit | 4x4 → 4x4 | shuffle_T16_4x4 | - | shuffle_T16_4x4 | -
16-bit | 4x2 → 2x4 | shuffle_T16_4x2 | - | shuffle_T16_2x4 | -
16-bit | 8x2 → 2x8 | shuffle_T16_8x2 | - | shuffle_T16_2x8 | -
16-bit | 16x2 → 2x16 | shuffle_T16_16x2 | - | shuffle_T16_2x16 | -
8-bit | 8x4 → 4x8 | shuffle_T8_8x4 | - | shuffle_T8_4x8 | -

## Topics
| Illustration of Shuffle Modes

## Enumerations
enum | eShuffleMode { shuffle_T8_64x2_lo = 0 , shuffle_T8_64x2_hi = 1 , shuffle_T16_32x2_lo = 2 , shuffle_T16_32x2_hi = 3 , shuffle_T32_16x2_lo = 4 , shuffle_T32_16x2_hi = 5 , shuffle_T64_8x2_lo = 6 , shuffle_T64_8x2_hi = 7 , shuffle_T128_4x2_lo = 8 , shuffle_T128_4x2_hi = 9 , shuffle_T256_2x2_lo = 10 , shuffle_T256_2x2_hi = 11 , shuffle_T128_2x4_lo = 12 , shuffle_T128_2x4_hi = 13 , shuffle_T64_2x8_lo = 14 , shuffle_T64_2x8_hi = 15 , shuffle_T32_2x16_lo = 16 , shuffle_T32_2x16_hi = 17 , shuffle_T16_2x32_lo = 18 , shuffle_T16_2x32_hi = 19 , shuffle_T8_2x64_lo = 20 , shuffle_T8_2x64_hi = 21 , shuffle_T512_1x2_lo = 22 , shuffle_T512_1x2_hi = 23 , shuffle_T16_16x4_lo = 24 , shuffle_T16_16x4_hi = 25 , shuffle_T16_4x16_lo = 26 , shuffle_T16_4x16_hi = 27 , shuffle_T16_8x4 = 28 , shuffle_T16_4x8 = 29 , shuffle_T32_8x4_lo = 30 , shuffle_T32_8x4_hi = 31 , shuffle_T32_4x8_lo = 32 , shuffle_T32_4x8_hi = 33 , shuffle_T32_4x4 = 34 , shuffle_T8_8x8 = 35 , shuffle_T8_16x4 = 36 , shuffle_T8_4x16 = 37 , shuffle_T16_1x2_flip = 38 , shuffle_T16_4x4 = 39 , shuffle_T16_4x2 = 40 , shuffle_T16_2x4 = 41 , shuffle_T16_8x2 = 42 , shuffle_T16_2x8 = 43 , shuffle_T16_16x2 = 44 , shuffle_T16_2x16 = 45 , shuffle_T8_8x4 = 46 , shuffle_T8_4x8 = 47 }
| Shuffle modes. More...

## Shuffle two vectors
  Shuffle two vectors Parameters
  a | First vector to shuffle
  b | Second vector to shuffle
  mode | Shuffling mode (of type eShuffleMode)
Returns shuffled vector
v16int32 | shuffle (v16int32, v16int32, unsigned int)
v32int16 | shuffle (v32int16, v32int16, unsigned int)
v64int8 | shuffle (v64int8, v64int8, unsigned int)
v128int4 | shuffle (v128int4, v128int4, unsigned int)
v16uint32 | shuffle (v16uint32, v16uint32, unsigned int)
v32uint16 | shuffle (v32uint16, v32uint16, unsigned int)
v64uint8 | shuffle (v64uint8, v64uint8, unsigned int)
v128uint4 | shuffle (v128uint4, v128uint4, unsigned int)
v8cint32 | shuffle (v8cint32, v8cint32, unsigned int)
v16cint16 | shuffle (v16cint16, v16cint16, unsigned int)
v32bfloat16 | shuffle (v32bfloat16, v32bfloat16, unsigned int)
v16cbfloat16 | shuffle (v16cbfloat16, v16cbfloat16, unsigned int)
v16float | shuffle (v16float, v16float, unsigned int)
v8cfloat | shuffle (v8cfloat, v8cfloat, unsigned int)

## Shuffle one vector
  Shuffle one vector Parameters
  a | Vector to shuffle
  mode | Shuffling mode (of type eShuffleMode)
Returns shuffled vector
v16int32 | shuffle (v16int32 a, unsigned int mode)
v32int16 | shuffle (v32int16 a, unsigned int mode)
v64int8 | shuffle (v64int8 a, unsigned int mode)
v128int4 | shuffle (v128int4 a, unsigned int mode)
v16uint32 | shuffle (v16uint32 a, unsigned int mode)
v32uint16 | shuffle (v32uint16 a, unsigned int mode)
v64uint8 | shuffle (v64uint8 a, unsigned int mode)
v128uint4 | shuffle (v128uint4 a, unsigned int mode)
v8cint32 | shuffle (v8cint32 a, unsigned int mode)
v16cint16 | shuffle (v16cint16 a, unsigned int mode)
v32bfloat16 | shuffle (v32bfloat16 a, unsigned int mode)
v16cbfloat16 | shuffle (v16cbfloat16 a, unsigned int mode)
v16float | shuffle (v16float a, unsigned int mode)
v8cfloat | shuffle (v8cfloat a, unsigned int mode)

## Updating all elements with same value and shuffle
  Broadcasts input value to all vector lanes Parameters
  b | value to be broadcasted
v64int8 | shuffle_s8 (int b, unsigned int m)
v32int16 | shuffle_s16 (int b, unsigned int m)
v16int32 | shuffle_s32 (int b, unsigned int m)
v16int32 | shuffle_v2s32 (v2int32 b, unsigned int m)
v64uint8 | shuffle_u8 (unsigned int b, unsigned int m)
v32uint16 | shuffle_u16 (unsigned int b, unsigned int m)
v16uint32 | shuffle_u32 (unsigned int b, unsigned int m)
v16uint32 | shuffle_v2u32 (v2uint32 b, unsigned int m)
v16cint16 | shuffle_c16 (cint16 b, unsigned int m)
v32bfloat16 | shuffle_bfloat16 (bfloat16 b, unsigned int m)
v16float | shuffle_float (float b, unsigned int m)
v16int32 | shuffle_s64 (long long b, unsigned int m)
v16uint32 | shuffle_u64 (unsigned long long b, unsigned int m)
v8cint32 | shuffle_c32 (cint32 b, unsigned int m)

## Shuffle a sparse vector
  Shuffle a sparse vector Parameters
  a | Vector to shuffle
  mode | Shuffling mode (of type eShuffleMode)
Returns shuffled vector
v256int4_sparse | shuffle (v256int4_sparse qx, int itlv)
v128int8_sparse | shuffle (v128int8_sparse qx, int itlv)
v64int16_sparse | shuffle (v64int16_sparse qx, int itlv)
v256uint4_sparse | shuffle (v256uint4_sparse qx, int itlv)
v128uint8_sparse | shuffle (v128uint8_sparse qx, int itlv)
v64uint16_sparse | shuffle (v64uint16_sparse qx, int itlv)
v64bfloat16_sparse | shuffle (v64bfloat16_sparse qx, int itlv)

## Enumeration Type Documentation

## ◆ eShuffleMode

enum eShuffleMode

Shuffle modes.

Definition of valid modes for vector shuffle

Enumerator
shuffle_T8_64x2_lo | Transpose 64x2 matrix of 8 bit values. Extract low 512 bits of result. See illustration.
shuffle_T8_64x2_hi | Transpose 64x2 matrix of 8 bit values. Extract high 512 bits of result. See illustration.
shuffle_T16_32x2_lo | Transpose 32x2 matrix of 16 bit values. Extract low 512 bits of result. See illustration.
shuffle_T16_32x2_hi | Transpose 32x2 matrix of 16 bit values. Extract high 512 bits of result. See illustration.
shuffle_T32_16x2_lo | Transpose 16x2 matrix of 32 bit values. Extract low 512 bits of result. See illustration.
shuffle_T32_16x2_hi | Transpose 16x2 matrix of 32 bit values. Extract high 512 bits of result. See illustration.
shuffle_T64_8x2_lo | Transpose 8x2 matrix of 64 bit values. Extract low 512 bits of result. See illustration.
shuffle_T64_8x2_hi | Transpose 8x2 matrix of 64 bit values. Extract high 512 bits of result. See illustration.
shuffle_T128_4x2_lo | Transpose 4x2 matrix of 128 bit values. Extract low 512 bits of result. See illustration.
shuffle_T128_4x2_hi | Transpose 4x2 matrix of 128 bit values. Extract high 512 bits of result. See illustration.
shuffle_T256_2x2_lo | Transpose 2x2 matrix of 256 bit values. Extract low 512 bits of result. See illustration.
shuffle_T256_2x2_hi | Transpose 2x2 matrix of 256 bit values. Extract high 512 bits of result. See illustration.
shuffle_T128_2x4_lo | Transpose 2x4 matrix of 128 bit values. Extract low 512 bits of result. See illustration.
shuffle_T128_2x4_hi | Transpose 2x4 matrix of 128 bit values. Extract high 512 bits of result. See illustration.
shuffle_T64_2x8_lo | Transpose 2x8 matrix of 64 bit values. Extract low 512 bits of result. See illustration.
shuffle_T64_2x8_hi | Transpose 2x8 matrix of 64 bit values. Extract high 512 bits of result. See illustration.
shuffle_T32_2x16_lo | Transpose 2x16 matrix of 32 bit values. Extract low 512 bits of result. See illustration.
shuffle_T32_2x16_hi | Transpose 2x16 matrix of 32 bit values. Extract high 512 bits of result. See illustration.
shuffle_T16_2x32_lo | Transpose 2x32 matrix of 16 bit values. Extract low 512 bits of result. See illustration.
shuffle_T16_2x32_hi | Transpose 2x32 matrix of 16 bit values. Extract high 512 bits of result. See illustration.
shuffle_T8_2x64_lo | Transpose 2x64 matrix of 8 bit values. Extract low 512 bits of result. See illustration.
shuffle_T8_2x64_hi | Transpose 2x64 matrix of 8 bit values. Extract high 512 bits of result. See illustration.
shuffle_T512_1x2_lo | Transpose 1x2 matrix of 512 bit values. Extract low 512 bits of result. See illustration.
shuffle_T512_1x2_hi | Transpose 1x2 matrix of 512 bit values. Extract high 512 bits of result. See illustration.
shuffle_T16_16x4_lo | Transpose 16x4 matrix of 16 bit values. Extract low 512 bits of result. See illustration.
shuffle_T16_16x4_hi | Transpose 16x4 matrix of 16 bit values. Extract high 512 bits of result. See illustration.
shuffle_T16_4x16_lo | Transpose 4x16 matrix of 16 bit values. Extract low 512 bits of result. See illustration.
shuffle_T16_4x16_hi | Transpose 4x16 matrix of 16 bit values. Extract high 512 bits of result. See illustration.
shuffle_T16_8x4 | Transpose 8x4 matrix of 16 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T16_4x8 | Transpose 4x8 matrix of 16 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T32_8x4_lo | Transpose 8x4 matrix of 32 bit values. Extract low 512 bits of result. See illustration.
shuffle_T32_8x4_hi | Transpose 8x4 matrix of 32 bit values. Extract high 512 bits of result. See illustration.
shuffle_T32_4x8_lo | Transpose 4x8 matrix of 32 bit values. Extract low 512 bits of result. See illustration.
shuffle_T32_4x8_hi | Transpose 4x8 matrix of 32 bit values. Extract high 512 bits of result. See illustration.
shuffle_T32_4x4 | Transpose 4x4 matrix of 32 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T8_8x8 | Transpose 4x4 matrix of 8 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T8_16x4 | Transpose 16x4 matrix of 8 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T8_4x16 | Transpose 4x16 matrix of 8 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T16_1x2_flip | Flip inner dimension of 16x2 matrix of 16 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T16_4x4 | Transpose 4x4 matrix of 16 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T16_4x2 | Transpose 4x2 matrix of 16 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T16_2x4 | Transpose 2x4 matrix of 16 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T16_8x2 | Transpose 8x2 matrix of 16 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T16_2x8 | Transpose 2x8 matrix of 16 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T16_16x2 | Transpose 16x2 matrix of 16 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T16_2x16 | Transpose 2x16 matrix of 16 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T8_8x4 | Transpose 8x4 matrix of 8 bit values. Extract resulting 512 bit vector. See illustration.
shuffle_T8_4x8 | Transpose 4x8 matrix of 8 bit values. Extract resulting 512 bit vector. See illustration.

## Function Documentation

## ◆ shuffle() [1/35]

v128int4 shuffle | ( | v128int4 | a,
|  | unsigned int | mode )

## ◆ shuffle() [2/35]

v128int4 shuffle | ( | v128int4 | ,
|  | v128int4 | ,
|  | unsigned int | )

## ◆ shuffle() [3/35]

v128int8_sparse shuffle | ( | v128int8_sparse | qx,
|  | int | itlv )

## ◆ shuffle() [4/35]

v128uint4 shuffle | ( | v128uint4 | a,
|  | unsigned int | mode )

## ◆ shuffle() [5/35]

v128uint4 shuffle | ( | v128uint4 | ,
|  | v128uint4 | ,
|  | unsigned int | )

## ◆ shuffle() [6/35]

v128uint8_sparse shuffle | ( | v128uint8_sparse | qx,
|  | int | itlv )

## ◆ shuffle() [7/35]

v16cbfloat16 shuffle | ( | v16cbfloat16 | a,
|  | unsigned int | mode )

## ◆ shuffle() [8/35]

v16cbfloat16 shuffle | ( | v16cbfloat16 | ,
|  | v16cbfloat16 | ,
|  | unsigned int | )

## ◆ shuffle() [9/35]

v16cint16 shuffle | ( | v16cint16 | a,
|  | unsigned int | mode )

## ◆ shuffle() [10/35]

v16cint16 shuffle | ( | v16cint16 | ,
|  | v16cint16 | ,
|  | unsigned int | )

## ◆ shuffle() [11/35]

v16float shuffle | ( | v16float | a,
|  | unsigned int | mode )

## ◆ shuffle() [12/35]

v16float shuffle | ( | v16float | ,
|  | v16float | ,
|  | unsigned int | )

## ◆ shuffle() [13/35]

v16int32 shuffle | ( | v16int32 | a,
|  | unsigned int | mode )

## ◆ shuffle() [14/35]

v16int32 shuffle | ( | v16int32 | ,
|  | v16int32 | ,
|  | unsigned int | )

## ◆ shuffle() [15/35]

v16uint32 shuffle | ( | v16uint32 | a,
|  | unsigned int | mode )

## ◆ shuffle() [16/35]

v16uint32 shuffle | ( | v16uint32 | ,
|  | v16uint32 | ,
|  | unsigned int | )

## ◆ shuffle() [17/35]

v256int4_sparse shuffle | ( | v256int4_sparse | qx,
|  | int | itlv )

## ◆ shuffle() [18/35]

v256uint4_sparse shuffle | ( | v256uint4_sparse | qx,
|  | int | itlv )

## ◆ shuffle() [19/35]

v32bfloat16 shuffle | ( | v32bfloat16 | a,
|  | unsigned int | mode )

## ◆ shuffle() [20/35]

v32bfloat16 shuffle | ( | v32bfloat16 | ,
|  | v32bfloat16 | ,
|  | unsigned int | )

## ◆ shuffle() [21/35]

v32int16 shuffle | ( | v32int16 | a,
|  | unsigned int | mode )

## ◆ shuffle() [22/35]

v32int16 shuffle | ( | v32int16 | ,
|  | v32int16 | ,
|  | unsigned int | )

## ◆ shuffle() [23/35]

v32uint16 shuffle | ( | v32uint16 | a,
|  | unsigned int | mode )

## ◆ shuffle() [24/35]

v32uint16 shuffle | ( | v32uint16 | ,
|  | v32uint16 | ,
|  | unsigned int | )

## ◆ shuffle() [25/35]

v64bfloat16_sparse shuffle | ( | v64bfloat16_sparse | qx,
|  | int | itlv )

## ◆ shuffle() [26/35]

v64int16_sparse shuffle | ( | v64int16_sparse | qx,
|  | int | itlv )

## ◆ shuffle() [27/35]

v64int8 shuffle | ( | v64int8 | a,
|  | unsigned int | mode )

## ◆ shuffle() [28/35]

v64int8 shuffle | ( | v64int8 | ,
|  | v64int8 | ,
|  | unsigned int | )

## ◆ shuffle() [29/35]

v64uint16_sparse shuffle | ( | v64uint16_sparse | qx,
|  | int | itlv )

## ◆ shuffle() [30/35]

v64uint8 shuffle | ( | v64uint8 | a,
|  | unsigned int | mode )

## ◆ shuffle() [31/35]

v64uint8 shuffle | ( | v64uint8 | ,
|  | v64uint8 | ,
|  | unsigned int | )

## ◆ shuffle() [32/35]

v8cfloat shuffle | ( | v8cfloat | a,
|  | unsigned int | mode )

## ◆ shuffle() [33/35]

v8cfloat shuffle | ( | v8cfloat | ,
|  | v8cfloat | ,
|  | unsigned int | )

## ◆ shuffle() [34/35]

v8cint32 shuffle | ( | v8cint32 | a,
|  | unsigned int | mode )

## ◆ shuffle() [35/35]

v8cint32 shuffle | ( | v8cint32 | ,
|  | v8cint32 | ,
|  | unsigned int | )

## ◆ shuffle_bfloat16()

v32bfloat16 shuffle_bfloat16 | ( | bfloat16 | b,
|  | unsigned int | m )

## ◆ shuffle_c16()

v16cint16 shuffle_c16 | ( | cint16 | b,
|  | unsigned int | m )

## ◆ shuffle_c32()

v8cint32 shuffle_c32 | ( | cint32 | b,
|  | unsigned int | m )

## ◆ shuffle_float()

v16float shuffle_float | ( | float | b,
|  | unsigned int | m )

## ◆ shuffle_s16()

v32int16 shuffle_s16 | ( | int | b,
|  | unsigned int | m )

## ◆ shuffle_s32()

v16int32 shuffle_s32 | ( | int | b,
|  | unsigned int | m )

## ◆ shuffle_s64()

v16int32 shuffle_s64 | ( | long long | b,
|  | unsigned int | m )

## ◆ shuffle_s8()

v64int8 shuffle_s8 | ( | int | b,
|  | unsigned int | m )

## ◆ shuffle_u16()

v32uint16 shuffle_u16 | ( | unsigned int | b,
|  | unsigned int | m )

## ◆ shuffle_u32()

v16uint32 shuffle_u32 | ( | unsigned int | b,
|  | unsigned int | m )

## ◆ shuffle_u64()

v16uint32 shuffle_u64 | ( | unsigned long long | b,
|  | unsigned int | m )

## ◆ shuffle_u8()

v64uint8 shuffle_u8 | ( | unsigned int | b,
|  | unsigned int | m )

## ◆ shuffle_v2s32()

v16int32 shuffle_v2s32 | ( | v2int32 | b,
|  | unsigned int | m )

## ◆ shuffle_v2u32()

v16uint32 shuffle_v2u32 | ( | v2uint32 | b,
|  | unsigned int | m )