| AI Engine Intrinsics User Guide (v2026.1)

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Functions
32 bit Real x 32 bit Real
Intrinsics » Vector Operations » MAC intrinsics » Multiplication » Advanced » Integer » Vector MAC with pre-subtraction » 32 bit x 32 bit

## Overview

Vector MAC intrinsics with pre-subtraction with 32 bit real by 32 bit real

## Functions
v4acc80 | lmac4_antisym (v4acc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, int xstep, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets, int zstep)
| Anti-symmetric multiply-accumulate intrinsic function with pre-sub from x input buffer using small X input buffer.
v4acc80 | lmac4_antisym (v4acc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, int xstep, v16int32 ybuff, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets, int zstep)
| Anti-symmetric multiply-accumulate intrinsic function with pre-sub from x and y input buffers using small X input buffer.
v4acc80 | lmac4_antisym (v4acc80 acc, v32int32 xbuff, int xstart, unsigned int xoffsets, int xstep, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets, int zstep)
| Anti-symmetric multiply-accumulate intrinsic function with pre-sub from x input buffer .
v8acc80 | lmac8_antisym (v8acc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets)
| Anti-symmetric multiply-accumulate intrinsic function with pre-sub from x input buffer using small X input buffer.
v8acc80 | lmac8_antisym (v8acc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, v16int32 ybuff, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets)
| Anti-symmetric multiply-accumulate intrinsic function with pre-sub from x and y input buffers using small X input buffer.
v8acc80 | lmac8_antisym (v8acc80 acc, v32int32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets)
| Anti-symmetric multiply-accumulate intrinsic function with pre-sub from x input buffer .
v4acc80 | lmsc4_antisym (v4acc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, int xstep, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets, int zstep)
| Anti-symmetric multiply-subtract intrinsic function with pre-sub from x input buffer using small X input buffer.
v4acc80 | lmsc4_antisym (v4acc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, int xstep, v16int32 ybuff, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets, int zstep)
| Anti-symmetric multiply-subtract intrinsic function with pre-sub from x and y input buffers using small X input buffer.
v4acc80 | lmsc4_antisym (v4acc80 acc, v32int32 xbuff, int xstart, unsigned int xoffsets, int xstep, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets, int zstep)
| Anti-symmetric multiply-subtract intrinsic function with pre-sub from x input buffer .
v8acc80 | lmsc8_antisym (v8acc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets)
| Anti-symmetric multiply-subtract intrinsic function with pre-sub from x input buffer using small X input buffer.
v8acc80 | lmsc8_antisym (v8acc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, v16int32 ybuff, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets)
| Anti-symmetric multiply-subtract intrinsic function with pre-sub from x and y input buffers using small X input buffer.
v8acc80 | lmsc8_antisym (v8acc80 acc, v32int32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets)
| Anti-symmetric multiply-subtract intrinsic function with pre-sub from x input buffer .
v4acc80 | lmul4_antisym (v16int32 xbuff, int xstart, unsigned int xoffsets, int xstep, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets, int zstep)
| Anti-symmetric multiply intrinsic function with pre-sub from x input buffer using small X input buffer.
v4acc80 | lmul4_antisym (v16int32 xbuff, int xstart, unsigned int xoffsets, int xstep, v16int32 ybuff, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets, int zstep)
| Anti-symmetric multiply intrinsic function with pre-sub from x and y input buffers using small X input buffer.
v4acc80 | lmul4_antisym (v32int32 xbuff, int xstart, unsigned int xoffsets, int xstep, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets, int zstep)
| Anti-symmetric multiply intrinsic function with pre-sub from x input buffer .
v8acc80 | lmul8_antisym (v16int32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets)
| Anti-symmetric multiply intrinsic function with pre-sub from x input buffer using small X input buffer.
v8acc80 | lmul8_antisym (v16int32 xbuff, int xstart, unsigned int xoffsets, v16int32 ybuff, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets)
| Anti-symmetric multiply intrinsic function with pre-sub from x and y input buffers using small X input buffer.
v8acc80 | lmul8_antisym (v32int32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets)
| Anti-symmetric multiply intrinsic function with pre-sub from x input buffer .
v4acc80 | lnegmul4_antisym (v16int32 xbuff, int xstart, unsigned int xoffsets, int xstep, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets, int zstep)
| Anti-symmetric multiply-negate intrinsic function with pre-sub from x input buffer using small X input buffer.
v4acc80 | lnegmul4_antisym (v16int32 xbuff, int xstart, unsigned int xoffsets, int xstep, v16int32 ybuff, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets, int zstep)
| Anti-symmetric multiply-negate intrinsic function with pre-sub from x and y input buffers using small X input buffer.
v4acc80 | lnegmul4_antisym (v32int32 xbuff, int xstart, unsigned int xoffsets, int xstep, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets, int zstep)
| Anti-symmetric multiply-negate intrinsic function with pre-sub from x input buffer .
v8acc80 | lnegmul8_antisym (v16int32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets)
| Anti-symmetric multiply-negate intrinsic function with pre-sub from x input buffer using small X input buffer.
v8acc80 | lnegmul8_antisym (v16int32 xbuff, int xstart, unsigned int xoffsets, v16int32 ybuff, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets)
| Anti-symmetric multiply-negate intrinsic function with pre-sub from x and y input buffers using small X input buffer.
v8acc80 | lnegmul8_antisym (v32int32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8int32 zbuff, int zstart, unsigned int zoffsets)
| Anti-symmetric multiply-negate intrinsic function with pre-sub from x input buffer .

## Function Documentation

## ◆ lmac4_antisym() [1/3]

v4acc80 lmac4_antisym | ( | v4acc80 | acc,
|  | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | xstep,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets,
|  | int | zstep )

Anti-symmetric multiply-accumulate intrinsic function with pre-sub from x input buffer using small X input buffer.

acc0 += z00*(x00 - y00) + z01*(x01 - y01)
acc1 += z10*(x10 - y10) + z11*(x11 - y11)
acc2 += z20*(x20 - y20) + z21*(x21 - y21)
acc3 += z30*(x30 - y30) + z31*(x31 - y31)

Returns
  Returned accumulation vector (4 x int80 lanes)

Parameters

  acc | Incoming accumulation vector (4 x int80 lanes)
  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  xstep | Step between each column for selection in the x and y buffers. Ystep is symmetric to xstep (ystep advances by -xstep).
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane
  zstep | Step between each column for selection in the zbuffer.

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmac4_antisym() [2/3]

v4acc80 lmac4_antisym | ( | v4acc80 | acc,
|  | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | xstep,
|  | v16int32 | ybuff,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets,
|  | int | zstep )

Anti-symmetric multiply-accumulate intrinsic function with pre-sub from x and y input buffers using small X input buffer.

acc0 += z00*(x00 - y00) + z01*(x01 - y01)
acc1 += z10*(x10 - y10) + z11*(x11 - y11)
acc2 += z20*(x20 - y20) + z21*(x21 - y21)
acc3 += z30*(x30 - y30) + z31*(x31 - y31)

Returns
  Returned accumulation vector (4 x int80 lanes)

Parameters

  acc | Incoming accumulation vector (4 x int80 lanes)
  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  xstep | Step between each column for selection in the x and y buffers. Ystep is symmetric to xstep (ystep advances by -xstep).
  ybuff | Right input buffer of 16 elements of type int32
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane
  zstep | Step between each column for selection in the zbuffer.

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmac4_antisym() [3/3]

v4acc80 lmac4_antisym | ( | v4acc80 | acc,
|  | v32int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | xstep,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets,
|  | int | zstep )

Anti-symmetric multiply-accumulate intrinsic function with pre-sub from x input buffer .

acc0 += z00*(x00 - y00) + z01*(x01 - y01)
acc1 += z10*(x10 - y10) + z11*(x11 - y11)
acc2 += z20*(x20 - y20) + z21*(x21 - y21)
acc3 += z30*(x30 - y30) + z31*(x31 - y31)

Returns
  Returned accumulation vector (4 x int80 lanes)

Parameters

  acc | Incoming accumulation vector (4 x int80 lanes)
  xbuff | Input buffer of 32 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  xstep | Step between each column for selection in the x and y buffers. Ystep is symmetric to xstep (ystep advances by -xstep).
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane
  zstep | Step between each column for selection in the zbuffer.

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmac8_antisym() [1/3]

v8acc80 lmac8_antisym | ( | v8acc80 | acc,
|  | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets )

Anti-symmetric multiply-accumulate intrinsic function with pre-sub from x input buffer using small X input buffer.

acc0 += z00*(x00 - y00)
acc1 += z10*(x10 - y10)
acc2 += z20*(x20 - y20)
acc3 += z30*(x30 - y30)
acc4 += z40*(x40 - y40)
acc5 += z50*(x50 - y50)
acc6 += z60*(x60 - y60)
acc7 += z70*(x70 - y70)

Returns
  Returned accumulation vector (8 x int80 lanes)

Parameters

  acc | Incoming accumulation vector (8 x int80 lanes)
  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmac8_antisym() [2/3]

v8acc80 lmac8_antisym | ( | v8acc80 | acc,
|  | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | v16int32 | ybuff,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets )

Anti-symmetric multiply-accumulate intrinsic function with pre-sub from x and y input buffers using small X input buffer.

acc0 += z00*(x00 - y00)
acc1 += z10*(x10 - y10)
acc2 += z20*(x20 - y20)
acc3 += z30*(x30 - y30)
acc4 += z40*(x40 - y40)
acc5 += z50*(x50 - y50)
acc6 += z60*(x60 - y60)
acc7 += z70*(x70 - y70)

Returns
  Returned accumulation vector (8 x int80 lanes)

Parameters

  acc | Incoming accumulation vector (8 x int80 lanes)
  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  ybuff | Right input buffer of 16 elements of type int32
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmac8_antisym() [3/3]

v8acc80 lmac8_antisym | ( | v8acc80 | acc,
|  | v32int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets )

Anti-symmetric multiply-accumulate intrinsic function with pre-sub from x input buffer .

acc0 += z00*(x00 - y00)
acc1 += z10*(x10 - y10)
acc2 += z20*(x20 - y20)
acc3 += z30*(x30 - y30)
acc4 += z40*(x40 - y40)
acc5 += z50*(x50 - y50)
acc6 += z60*(x60 - y60)
acc7 += z70*(x70 - y70)

Returns
  Returned accumulation vector (8 x int80 lanes)

Parameters

  acc | Incoming accumulation vector (8 x int80 lanes)
  xbuff | Input buffer of 32 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmsc4_antisym() [1/3]

v4acc80 lmsc4_antisym | ( | v4acc80 | acc,
|  | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | xstep,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets,
|  | int | zstep )

Anti-symmetric multiply-subtract intrinsic function with pre-sub from x input buffer using small X input buffer.

acc0 -= z00*(x00 - y00) + z01*(x01 - y01)
acc1 -= z10*(x10 - y10) + z11*(x11 - y11)
acc2 -= z20*(x20 - y20) + z21*(x21 - y21)
acc3 -= z30*(x30 - y30) + z31*(x31 - y31)

Returns
  Returned accumulation vector (4 x int80 lanes)

Parameters

  acc | Incoming accumulation vector (4 x int80 lanes)
  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  xstep | Step between each column for selection in the x and y buffers. Ystep is symmetric to xstep (ystep advances by -xstep).
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane
  zstep | Step between each column for selection in the zbuffer.

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmsc4_antisym() [2/3]

v4acc80 lmsc4_antisym | ( | v4acc80 | acc,
|  | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | xstep,
|  | v16int32 | ybuff,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets,
|  | int | zstep )

Anti-symmetric multiply-subtract intrinsic function with pre-sub from x and y input buffers using small X input buffer.

acc0 -= z00*(x00 - y00) + z01*(x01 - y01)
acc1 -= z10*(x10 - y10) + z11*(x11 - y11)
acc2 -= z20*(x20 - y20) + z21*(x21 - y21)
acc3 -= z30*(x30 - y30) + z31*(x31 - y31)

Returns
  Returned accumulation vector (4 x int80 lanes)

Parameters

  acc | Incoming accumulation vector (4 x int80 lanes)
  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  xstep | Step between each column for selection in the x and y buffers. Ystep is symmetric to xstep (ystep advances by -xstep).
  ybuff | Right input buffer of 16 elements of type int32
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane
  zstep | Step between each column for selection in the zbuffer.

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmsc4_antisym() [3/3]

v4acc80 lmsc4_antisym | ( | v4acc80 | acc,
|  | v32int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | xstep,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets,
|  | int | zstep )

Anti-symmetric multiply-subtract intrinsic function with pre-sub from x input buffer .

acc0 -= z00*(x00 - y00) + z01*(x01 - y01)
acc1 -= z10*(x10 - y10) + z11*(x11 - y11)
acc2 -= z20*(x20 - y20) + z21*(x21 - y21)
acc3 -= z30*(x30 - y30) + z31*(x31 - y31)

Returns
  Returned accumulation vector (4 x int80 lanes)

Parameters

  acc | Incoming accumulation vector (4 x int80 lanes)
  xbuff | Input buffer of 32 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  xstep | Step between each column for selection in the x and y buffers. Ystep is symmetric to xstep (ystep advances by -xstep).
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane
  zstep | Step between each column for selection in the zbuffer.

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmsc8_antisym() [1/3]

v8acc80 lmsc8_antisym | ( | v8acc80 | acc,
|  | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets )

Anti-symmetric multiply-subtract intrinsic function with pre-sub from x input buffer using small X input buffer.

acc0 -= z00*(x00 - y00)
acc1 -= z10*(x10 - y10)
acc2 -= z20*(x20 - y20)
acc3 -= z30*(x30 - y30)
acc4 -= z40*(x40 - y40)
acc5 -= z50*(x50 - y50)
acc6 -= z60*(x60 - y60)
acc7 -= z70*(x70 - y70)

Returns
  Returned accumulation vector (8 x int80 lanes)

Parameters

  acc | Incoming accumulation vector (8 x int80 lanes)
  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmsc8_antisym() [2/3]

v8acc80 lmsc8_antisym | ( | v8acc80 | acc,
|  | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | v16int32 | ybuff,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets )

Anti-symmetric multiply-subtract intrinsic function with pre-sub from x and y input buffers using small X input buffer.

acc0 -= z00*(x00 - y00)
acc1 -= z10*(x10 - y10)
acc2 -= z20*(x20 - y20)
acc3 -= z30*(x30 - y30)
acc4 -= z40*(x40 - y40)
acc5 -= z50*(x50 - y50)
acc6 -= z60*(x60 - y60)
acc7 -= z70*(x70 - y70)

Returns
  Returned accumulation vector (8 x int80 lanes)

Parameters

  acc | Incoming accumulation vector (8 x int80 lanes)
  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  ybuff | Right input buffer of 16 elements of type int32
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmsc8_antisym() [3/3]

v8acc80 lmsc8_antisym | ( | v8acc80 | acc,
|  | v32int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets )

Anti-symmetric multiply-subtract intrinsic function with pre-sub from x input buffer .

acc0 -= z00*(x00 - y00)
acc1 -= z10*(x10 - y10)
acc2 -= z20*(x20 - y20)
acc3 -= z30*(x30 - y30)
acc4 -= z40*(x40 - y40)
acc5 -= z50*(x50 - y50)
acc6 -= z60*(x60 - y60)
acc7 -= z70*(x70 - y70)

Returns
  Returned accumulation vector (8 x int80 lanes)

Parameters

  acc | Incoming accumulation vector (8 x int80 lanes)
  xbuff | Input buffer of 32 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmul4_antisym() [1/3]

v4acc80 lmul4_antisym | ( | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | xstep,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets,
|  | int | zstep )

Anti-symmetric multiply intrinsic function with pre-sub from x input buffer using small X input buffer.

acc0 = z00*(x00 - y00) + z01*(x01 - y01)
acc1 = z10*(x10 - y10) + z11*(x11 - y11)
acc2 = z20*(x20 - y20) + z21*(x21 - y21)
acc3 = z30*(x30 - y30) + z31*(x31 - y31)

Returns
  Returned accumulation vector (4 x int80 lanes)

Parameters

  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  xstep | Step between each column for selection in the x and y buffers. Ystep is symmetric to xstep (ystep advances by -xstep).
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane
  zstep | Step between each column for selection in the zbuffer.

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmul4_antisym() [2/3]

v4acc80 lmul4_antisym | ( | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | xstep,
|  | v16int32 | ybuff,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets,
|  | int | zstep )

Anti-symmetric multiply intrinsic function with pre-sub from x and y input buffers using small X input buffer.

acc0 = z00*(x00 - y00) + z01*(x01 - y01)
acc1 = z10*(x10 - y10) + z11*(x11 - y11)
acc2 = z20*(x20 - y20) + z21*(x21 - y21)
acc3 = z30*(x30 - y30) + z31*(x31 - y31)

Returns
  Returned accumulation vector (4 x int80 lanes)

Parameters

  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  xstep | Step between each column for selection in the x and y buffers. Ystep is symmetric to xstep (ystep advances by -xstep).
  ybuff | Right input buffer of 16 elements of type int32
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane
  zstep | Step between each column for selection in the zbuffer.

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmul4_antisym() [3/3]

v4acc80 lmul4_antisym | ( | v32int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | xstep,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets,
|  | int | zstep )

Anti-symmetric multiply intrinsic function with pre-sub from x input buffer .

acc0 = z00*(x00 - y00) + z01*(x01 - y01)
acc1 = z10*(x10 - y10) + z11*(x11 - y11)
acc2 = z20*(x20 - y20) + z21*(x21 - y21)
acc3 = z30*(x30 - y30) + z31*(x31 - y31)

Returns
  Returned accumulation vector (4 x int80 lanes)

Parameters

  xbuff | Input buffer of 32 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  xstep | Step between each column for selection in the x and y buffers. Ystep is symmetric to xstep (ystep advances by -xstep).
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane
  zstep | Step between each column for selection in the zbuffer.

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmul8_antisym() [1/3]

v8acc80 lmul8_antisym | ( | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets )

Anti-symmetric multiply intrinsic function with pre-sub from x input buffer using small X input buffer.

acc0 = z00*(x00 - y00)
acc1 = z10*(x10 - y10)
acc2 = z20*(x20 - y20)
acc3 = z30*(x30 - y30)
acc4 = z40*(x40 - y40)
acc5 = z50*(x50 - y50)
acc6 = z60*(x60 - y60)
acc7 = z70*(x70 - y70)

Returns
  Returned accumulation vector (8 x int80 lanes)

Parameters

  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmul8_antisym() [2/3]

v8acc80 lmul8_antisym | ( | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | v16int32 | ybuff,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets )

Anti-symmetric multiply intrinsic function with pre-sub from x and y input buffers using small X input buffer.

acc0 = z00*(x00 - y00)
acc1 = z10*(x10 - y10)
acc2 = z20*(x20 - y20)
acc3 = z30*(x30 - y30)
acc4 = z40*(x40 - y40)
acc5 = z50*(x50 - y50)
acc6 = z60*(x60 - y60)
acc7 = z70*(x70 - y70)

Returns
  Returned accumulation vector (8 x int80 lanes)

Parameters

  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  ybuff | Right input buffer of 16 elements of type int32
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lmul8_antisym() [3/3]

v8acc80 lmul8_antisym | ( | v32int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets )

Anti-symmetric multiply intrinsic function with pre-sub from x input buffer .

acc0 = z00*(x00 - y00)
acc1 = z10*(x10 - y10)
acc2 = z20*(x20 - y20)
acc3 = z30*(x30 - y30)
acc4 = z40*(x40 - y40)
acc5 = z50*(x50 - y50)
acc6 = z60*(x60 - y60)
acc7 = z70*(x70 - y70)

Returns
  Returned accumulation vector (8 x int80 lanes)

Parameters

  xbuff | Input buffer of 32 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lnegmul4_antisym() [1/3]

v4acc80 lnegmul4_antisym | ( | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | xstep,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets,
|  | int | zstep )

Anti-symmetric multiply-negate intrinsic function with pre-sub from x input buffer using small X input buffer.

acc0 = -( z00*(x00 - y00) + z01*(x01 - y01) )
acc1 = -( z10*(x10 - y10) + z11*(x11 - y11) )
acc2 = -( z20*(x20 - y20) + z21*(x21 - y21) )
acc3 = -( z30*(x30 - y30) + z31*(x31 - y31) )

Returns
  Returned accumulation vector (4 x int80 lanes)

Parameters

  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  xstep | Step between each column for selection in the x and y buffers. Ystep is symmetric to xstep (ystep advances by -xstep).
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane
  zstep | Step between each column for selection in the zbuffer.

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lnegmul4_antisym() [2/3]

v4acc80 lnegmul4_antisym | ( | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | xstep,
|  | v16int32 | ybuff,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets,
|  | int | zstep )

Anti-symmetric multiply-negate intrinsic function with pre-sub from x and y input buffers using small X input buffer.

acc0 = -( z00*(x00 - y00) + z01*(x01 - y01) )
acc1 = -( z10*(x10 - y10) + z11*(x11 - y11) )
acc2 = -( z20*(x20 - y20) + z21*(x21 - y21) )
acc3 = -( z30*(x30 - y30) + z31*(x31 - y31) )

Returns
  Returned accumulation vector (4 x int80 lanes)

Parameters

  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  xstep | Step between each column for selection in the x and y buffers. Ystep is symmetric to xstep (ystep advances by -xstep).
  ybuff | Right input buffer of 16 elements of type int32
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane
  zstep | Step between each column for selection in the zbuffer.

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lnegmul4_antisym() [3/3]

v4acc80 lnegmul4_antisym | ( | v32int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | xstep,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets,
|  | int | zstep )

Anti-symmetric multiply-negate intrinsic function with pre-sub from x input buffer .

acc0 = -( z00*(x00 - y00) + z01*(x01 - y01) )
acc1 = -( z10*(x10 - y10) + z11*(x11 - y11) )
acc2 = -( z20*(x20 - y20) + z21*(x21 - y21) )
acc3 = -( z30*(x30 - y30) + z31*(x31 - y31) )

Returns
  Returned accumulation vector (4 x int80 lanes)

Parameters

  xbuff | Input buffer of 32 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  xstep | Step between each column for selection in the x and y buffers. Ystep is symmetric to xstep (ystep advances by -xstep).
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane
  zstep | Step between each column for selection in the zbuffer.

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lnegmul8_antisym() [1/3]

v8acc80 lnegmul8_antisym | ( | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets )

Anti-symmetric multiply-negate intrinsic function with pre-sub from x input buffer using small X input buffer.

acc0 = -( z00*(x00 - y00) )
acc1 = -( z10*(x10 - y10) )
acc2 = -( z20*(x20 - y20) )
acc3 = -( z30*(x30 - y30) )
acc4 = -( z40*(x40 - y40) )
acc5 = -( z50*(x50 - y50) )
acc6 = -( z60*(x60 - y60) )
acc7 = -( z70*(x70 - y70) )

Returns
  Returned accumulation vector (8 x int80 lanes)

Parameters

  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lnegmul8_antisym() [2/3]

v8acc80 lnegmul8_antisym | ( | v16int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | v16int32 | ybuff,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets )

Anti-symmetric multiply-negate intrinsic function with pre-sub from x and y input buffers using small X input buffer.

acc0 = -( z00*(x00 - y00) )
acc1 = -( z10*(x10 - y10) )
acc2 = -( z20*(x20 - y20) )
acc3 = -( z30*(x30 - y30) )
acc4 = -( z40*(x40 - y40) )
acc5 = -( z50*(x50 - y50) )
acc6 = -( z60*(x60 - y60) )
acc7 = -( z70*(x70 - y70) )

Returns
  Returned accumulation vector (8 x int80 lanes)

Parameters

  xbuff | Input buffer of 16 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  ybuff | Right input buffer of 16 elements of type int32
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.

## ◆ lnegmul8_antisym() [3/3]

v8acc80 lnegmul8_antisym | ( | v32int32 | xbuff,
|  | int | xstart,
|  | unsigned int | xoffsets,
|  | int | ystart,
|  | v8int32 | zbuff,
|  | int | zstart,
|  | unsigned int | zoffsets )

Anti-symmetric multiply-negate intrinsic function with pre-sub from x input buffer .

acc0 = -( z00*(x00 - y00) )
acc1 = -( z10*(x10 - y10) )
acc2 = -( z20*(x20 - y20) )
acc3 = -( z30*(x30 - y30) )
acc4 = -( z40*(x40 - y40) )
acc5 = -( z50*(x50 - y50) )
acc6 = -( z60*(x60 - y60) )
acc7 = -( z70*(x70 - y70) )

Returns
  Returned accumulation vector (8 x int80 lanes)

Parameters

  xbuff | Input buffer of 32 elements of type int32
  xstart | Starting position offset applied to all lanes of input from X buffer.
  xoffsets | 4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
  ystart | Starting position offset applied to all lanes for input from Y buffer.
  zbuff | Input buffer of 8 elements of type int32
  zstart | Starting position offset applied to all lanes for input from Z buffer. This must be a compile time constant. Only the 4 LSB of the argument are used.
  zoffsets | 4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note
  - For more information on how data selection works from the buffers go here. The data buffer and coefficient buffer in this intrinsic use the general scheme.
  - Parameter 'zstart' must be a compile time constant.