AI Engine Intrinsics User Guide (AIE) v2024.2
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Overview

32 bit complex by 16 bit complex using no conjugation

Functions

v4cacc80 lmac4 (v4cacc80 acc, v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply-accumulate intrinsic function .
 
v4cacc80 lmac4 (v4cacc80 acc, v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply-accumulate intrinsic function using small X input buffer.
 
v4cacc80 lmsc4 (v4cacc80 acc, v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply-subtract intrinsic function .
 
v4cacc80 lmsc4 (v4cacc80 acc, v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply-subtract intrinsic function using small X input buffer.
 
v4cacc80 lmul4 (v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply intrinsic function .
 
v4cacc80 lmul4 (v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply intrinsic function using small X input buffer.
 
v4cacc80 lnegmul4 (v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply-negate intrinsic function .
 
v4cacc80 lnegmul4 (v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply-negate intrinsic function using small X input buffer.
 
v4cacc48 mac4 (v4cacc48 acc, v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply-accumulate intrinsic function .
 
v4cacc48 mac4 (v4cacc48 acc, v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply-accumulate intrinsic function using small X input buffer.
 
v4cacc48 msc4 (v4cacc48 acc, v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply-subtract intrinsic function .
 
v4cacc48 msc4 (v4cacc48 acc, v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply-subtract intrinsic function using small X input buffer.
 
v4cacc48 mul4 (v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply intrinsic function .
 
v4cacc48 mul4 (v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply intrinsic function using small X input buffer.
 
v4cacc48 negmul4 (v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply-negate intrinsic function .
 
v4cacc48 negmul4 (v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
 Complex multiply-negate intrinsic function using small X input buffer.
 

Function Documentation

◆ lmac4() [1/2]

v4cacc80 lmac4 ( v4cacc80  acc,
v16cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply-accumulate intrinsic function .

acc0 += z00*x00
acc1 += z10*x10
acc2 += z20*x20
acc3 += z30*x30
Returns
Returned accumulation vector (4 x cint80 lanes)
Parameters
accIncoming accumulation vector (4 x cint80 lanes)
xbuffInput buffer of 16 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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.

◆ lmac4() [2/2]

v4cacc80 lmac4 ( v4cacc80  acc,
v8cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply-accumulate intrinsic function using small X input buffer.

acc0 += z00*x00
acc1 += z10*x10
acc2 += z20*x20
acc3 += z30*x30
Returns
Returned accumulation vector (4 x cint80 lanes)
Parameters
accIncoming accumulation vector (4 x cint80 lanes)
xbuffInput buffer of 8 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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() [1/2]

v4cacc80 lmsc4 ( v4cacc80  acc,
v16cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply-subtract intrinsic function .

acc0 -= z00*x00
acc1 -= z10*x10
acc2 -= z20*x20
acc3 -= z30*x30
Returns
Returned accumulation vector (4 x cint80 lanes)
Parameters
accIncoming accumulation vector (4 x cint80 lanes)
xbuffInput buffer of 16 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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() [2/2]

v4cacc80 lmsc4 ( v4cacc80  acc,
v8cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply-subtract intrinsic function using small X input buffer.

acc0 -= z00*x00
acc1 -= z10*x10
acc2 -= z20*x20
acc3 -= z30*x30
Returns
Returned accumulation vector (4 x cint80 lanes)
Parameters
accIncoming accumulation vector (4 x cint80 lanes)
xbuffInput buffer of 8 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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() [1/2]

v4cacc80 lmul4 ( v16cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply intrinsic function .

acc0 = z00*x00
acc1 = z10*x10
acc2 = z20*x20
acc3 = z30*x30
Returns
Returned accumulation vector (4 x cint80 lanes)
Parameters
xbuffInput buffer of 16 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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() [2/2]

v4cacc80 lmul4 ( v8cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply intrinsic function using small X input buffer.

acc0 = z00*x00
acc1 = z10*x10
acc2 = z20*x20
acc3 = z30*x30
Returns
Returned accumulation vector (4 x cint80 lanes)
Parameters
xbuffInput buffer of 8 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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() [1/2]

v4cacc80 lnegmul4 ( v16cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply-negate intrinsic function .

acc0 = -( z00*x00 )
acc1 = -( z10*x10 )
acc2 = -( z20*x20 )
acc3 = -( z30*x30 )
Returns
Returned accumulation vector (4 x cint80 lanes)
Parameters
xbuffInput buffer of 16 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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() [2/2]

v4cacc80 lnegmul4 ( v8cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply-negate intrinsic function using small X input buffer.

acc0 = -( z00*x00 )
acc1 = -( z10*x10 )
acc2 = -( z20*x20 )
acc3 = -( z30*x30 )
Returns
Returned accumulation vector (4 x cint80 lanes)
Parameters
xbuffInput buffer of 8 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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.

◆ mac4() [1/2]

v4cacc48 mac4 ( v4cacc48  acc,
v16cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply-accumulate intrinsic function .

acc0 += z00*x00
acc1 += z10*x10
acc2 += z20*x20
acc3 += z30*x30
Returns
Returned accumulation vector (4 x cint48 lanes)
Parameters
accIncoming accumulation vector (4 x cint48 lanes)
xbuffInput buffer of 16 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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.

◆ mac4() [2/2]

v4cacc48 mac4 ( v4cacc48  acc,
v8cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply-accumulate intrinsic function using small X input buffer.

acc0 += z00*x00
acc1 += z10*x10
acc2 += z20*x20
acc3 += z30*x30
Returns
Returned accumulation vector (4 x cint48 lanes)
Parameters
accIncoming accumulation vector (4 x cint48 lanes)
xbuffInput buffer of 8 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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.

◆ msc4() [1/2]

v4cacc48 msc4 ( v4cacc48  acc,
v16cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply-subtract intrinsic function .

acc0 -= z00*x00
acc1 -= z10*x10
acc2 -= z20*x20
acc3 -= z30*x30
Returns
Returned accumulation vector (4 x cint48 lanes)
Parameters
accIncoming accumulation vector (4 x cint48 lanes)
xbuffInput buffer of 16 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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.

◆ msc4() [2/2]

v4cacc48 msc4 ( v4cacc48  acc,
v8cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply-subtract intrinsic function using small X input buffer.

acc0 -= z00*x00
acc1 -= z10*x10
acc2 -= z20*x20
acc3 -= z30*x30
Returns
Returned accumulation vector (4 x cint48 lanes)
Parameters
accIncoming accumulation vector (4 x cint48 lanes)
xbuffInput buffer of 8 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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.

◆ mul4() [1/2]

v4cacc48 mul4 ( v16cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply intrinsic function .

acc0 = z00*x00
acc1 = z10*x10
acc2 = z20*x20
acc3 = z30*x30
Returns
Returned accumulation vector (4 x cint48 lanes)
Parameters
xbuffInput buffer of 16 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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.

◆ mul4() [2/2]

v4cacc48 mul4 ( v8cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply intrinsic function using small X input buffer.

acc0 = z00*x00
acc1 = z10*x10
acc2 = z20*x20
acc3 = z30*x30
Returns
Returned accumulation vector (4 x cint48 lanes)
Parameters
xbuffInput buffer of 8 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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.

◆ negmul4() [1/2]

v4cacc48 negmul4 ( v16cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply-negate intrinsic function .

acc0 = -( z00*x00 )
acc1 = -( z10*x10 )
acc2 = -( z20*x20 )
acc3 = -( z30*x30 )
Returns
Returned accumulation vector (4 x cint48 lanes)
Parameters
xbuffInput buffer of 16 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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.

◆ negmul4() [2/2]

v4cacc48 negmul4 ( v8cint32  xbuff,
int  xstart,
unsigned int  xoffsets,
v8cint16  zbuff,
int  zstart,
unsigned int  zoffsets 
)

Complex multiply-negate intrinsic function using small X input buffer.

acc0 = -( z00*x00 )
acc1 = -( z10*x10 )
acc2 = -( z20*x20 )
acc3 = -( z30*x30 )
Returns
Returned accumulation vector (4 x cint48 lanes)
Parameters
xbuffInput buffer of 8 elements of type cint32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuffInput buffer of 8 elements of type cint16
zstartStarting 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.
zoffsets4b 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.