AI Engine Intrinsics User Guide  (AIE) r2p23
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Z buffer conjugation

Overview

32 bit real by 32 bit complex using Z buffer conjugation

Functions

v2cacc80 lmac2_antisym_ct_c (v2cacc80 acc, v32int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
 Complex anti-symmetric multiply-accumulate intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer .
 
v2cacc80 lmac2_antisym_ct_c (v2cacc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
 Complex anti-symmetric multiply-accumulate intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer using small X input buffer.
 
v2cacc80 lmac2_antisym_ct_c (v2cacc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, v16int32 ybuff, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
 Complex anti-symmetric multiply-accumulate intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x and y input buffers using small X input buffer.
 
v2cacc80 lmsc2_antisym_ct_c (v2cacc80 acc, v32int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
 Complex anti-symmetric multiply-subtract intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer .
 
v2cacc80 lmsc2_antisym_ct_c (v2cacc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
 Complex anti-symmetric multiply-subtract intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer using small X input buffer.
 
v2cacc80 lmsc2_antisym_ct_c (v2cacc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, v16int32 ybuff, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
 Complex anti-symmetric multiply-subtract intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x and y input buffers using small X input buffer.
 
v2cacc80 lmul2_antisym_ct_c (v32int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
 Complex anti-symmetric multiply intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer .
 
v2cacc80 lmul2_antisym_ct_c (v16int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
 Complex anti-symmetric multiply intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer using small X input buffer.
 
v2cacc80 lmul2_antisym_ct_c (v16int32 xbuff, int xstart, unsigned int xoffsets, v16int32 ybuff, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
 Complex anti-symmetric multiply intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x and y input buffers using small X input buffer.
 
v2cacc80 lnegmul2_antisym_ct_c (v32int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
 Complex anti-symmetric multiply-negate intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer .
 
v2cacc80 lnegmul2_antisym_ct_c (v16int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
 Complex anti-symmetric multiply-negate intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer using small X input buffer.
 
v2cacc80 lnegmul2_antisym_ct_c (v16int32 xbuff, int xstart, unsigned int xoffsets, v16int32 ybuff, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
 Complex anti-symmetric multiply-negate intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x and y input buffers using small X input buffer.
 

Function Documentation

v2cacc80 lmac2_antisym_ct_c ( v2cacc80  acc,
v32int32  xbuff,
int  xstart,
unsigned int  xoffsets,
int  ystart,
unsigned int  mtap,
v4cint32  zbuff,
int  zstart,
unsigned int  zoffsets,
int  zstep 
)

Complex anti-symmetric multiply-accumulate intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer .

acc0 += cnj(z00)*(x00 - y00) + cnj(z01)*x01
acc1 += cnj(z10)*(x10 - y10) + cnj(z11)*x11
Returns
Returned accumulation vector (2 x cint80 lanes)
Parameters
accIncoming accumulation vector (2 x cint80 lanes)
xbuffInput buffer of 32 elements of type int32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
ystartStarting position offset applied to all lanes for input from Y buffer.
mtapSelector for partial pre-subtraction relative to xstart
zbuffInput buffer of 4 elements of type cint32
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
zstepStep 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.
v2cacc80 lmac2_antisym_ct_c ( v2cacc80  acc,
v16int32  xbuff,
int  xstart,
unsigned int  xoffsets,
int  ystart,
unsigned int  mtap,
v4cint32  zbuff,
int  zstart,
unsigned int  zoffsets,
int  zstep 
)

Complex anti-symmetric multiply-accumulate intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer using small X input buffer.

acc0 += cnj(z00)*(x00 - y00) + cnj(z01)*x01
acc1 += cnj(z10)*(x10 - y10) + cnj(z11)*x11
Returns
Returned accumulation vector (2 x cint80 lanes)
Parameters
accIncoming accumulation vector (2 x cint80 lanes)
xbuffInput buffer of 16 elements of type int32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
ystartStarting position offset applied to all lanes for input from Y buffer.
mtapSelector for partial pre-subtraction relative to xstart
zbuffInput buffer of 4 elements of type cint32
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
zstepStep 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.
v2cacc80 lmac2_antisym_ct_c ( v2cacc80  acc,
v16int32  xbuff,
int  xstart,
unsigned int  xoffsets,
v16int32  ybuff,
int  ystart,
unsigned int  mtap,
v4cint32  zbuff,
int  zstart,
unsigned int  zoffsets,
int  zstep 
)

Complex anti-symmetric multiply-accumulate intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x and y input buffers using small X input buffer.

acc0 += cnj(z00)*(x00 - y00) + cnj(z01)*x01
acc1 += cnj(z10)*(x10 - y10) + cnj(z11)*x11
Returns
Returned accumulation vector (2 x cint80 lanes)
Parameters
accIncoming accumulation vector (2 x cint80 lanes)
xbuffInput buffer of 16 elements of type int32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
ybuffRight input buffer of 16 elements of type int32
ystartStarting position offset applied to all lanes for input from Y buffer.
mtapSelector for partial pre-subtraction relative to xstart
zbuffInput buffer of 4 elements of type cint32
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
zstepStep 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.
v2cacc80 lmsc2_antisym_ct_c ( v2cacc80  acc,
v32int32  xbuff,
int  xstart,
unsigned int  xoffsets,
int  ystart,
unsigned int  mtap,
v4cint32  zbuff,
int  zstart,
unsigned int  zoffsets,
int  zstep 
)

Complex anti-symmetric multiply-subtract intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer .

acc0 -= cnj(z00)*(x00 - y00) + cnj(z01)*x01
acc1 -= cnj(z10)*(x10 - y10) + cnj(z11)*x11
Returns
Returned accumulation vector (2 x cint80 lanes)
Parameters
accIncoming accumulation vector (2 x cint80 lanes)
xbuffInput buffer of 32 elements of type int32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
ystartStarting position offset applied to all lanes for input from Y buffer.
mtapSelector for partial pre-subtraction relative to xstart
zbuffInput buffer of 4 elements of type cint32
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
zstepStep 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.
v2cacc80 lmsc2_antisym_ct_c ( v2cacc80  acc,
v16int32  xbuff,
int  xstart,
unsigned int  xoffsets,
int  ystart,
unsigned int  mtap,
v4cint32  zbuff,
int  zstart,
unsigned int  zoffsets,
int  zstep 
)

Complex anti-symmetric multiply-subtract intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer using small X input buffer.

acc0 -= cnj(z00)*(x00 - y00) + cnj(z01)*x01
acc1 -= cnj(z10)*(x10 - y10) + cnj(z11)*x11
Returns
Returned accumulation vector (2 x cint80 lanes)
Parameters
accIncoming accumulation vector (2 x cint80 lanes)
xbuffInput buffer of 16 elements of type int32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
ystartStarting position offset applied to all lanes for input from Y buffer.
mtapSelector for partial pre-subtraction relative to xstart
zbuffInput buffer of 4 elements of type cint32
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
zstepStep 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.
v2cacc80 lmsc2_antisym_ct_c ( v2cacc80  acc,
v16int32  xbuff,
int  xstart,
unsigned int  xoffsets,
v16int32  ybuff,
int  ystart,
unsigned int  mtap,
v4cint32  zbuff,
int  zstart,
unsigned int  zoffsets,
int  zstep 
)

Complex anti-symmetric multiply-subtract intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x and y input buffers using small X input buffer.

acc0 -= cnj(z00)*(x00 - y00) + cnj(z01)*x01
acc1 -= cnj(z10)*(x10 - y10) + cnj(z11)*x11
Returns
Returned accumulation vector (2 x cint80 lanes)
Parameters
accIncoming accumulation vector (2 x cint80 lanes)
xbuffInput buffer of 16 elements of type int32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
ybuffRight input buffer of 16 elements of type int32
ystartStarting position offset applied to all lanes for input from Y buffer.
mtapSelector for partial pre-subtraction relative to xstart
zbuffInput buffer of 4 elements of type cint32
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
zstepStep 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.
v2cacc80 lmul2_antisym_ct_c ( v32int32  xbuff,
int  xstart,
unsigned int  xoffsets,
int  ystart,
unsigned int  mtap,
v4cint32  zbuff,
int  zstart,
unsigned int  zoffsets,
int  zstep 
)

Complex anti-symmetric multiply intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer .

acc0 = cnj(z00)*(x00 - y00) + cnj(z01)*x01
acc1 = cnj(z10)*(x10 - y10) + cnj(z11)*x11
Returns
Returned accumulation vector (2 x cint80 lanes)
Parameters
xbuffInput buffer of 32 elements of type int32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
ystartStarting position offset applied to all lanes for input from Y buffer.
mtapSelector for partial pre-subtraction relative to xstart
zbuffInput buffer of 4 elements of type cint32
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
zstepStep 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.
v2cacc80 lmul2_antisym_ct_c ( v16int32  xbuff,
int  xstart,
unsigned int  xoffsets,
int  ystart,
unsigned int  mtap,
v4cint32  zbuff,
int  zstart,
unsigned int  zoffsets,
int  zstep 
)

Complex anti-symmetric multiply intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer using small X input buffer.

acc0 = cnj(z00)*(x00 - y00) + cnj(z01)*x01
acc1 = cnj(z10)*(x10 - y10) + cnj(z11)*x11
Returns
Returned accumulation vector (2 x cint80 lanes)
Parameters
xbuffInput buffer of 16 elements of type int32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
ystartStarting position offset applied to all lanes for input from Y buffer.
mtapSelector for partial pre-subtraction relative to xstart
zbuffInput buffer of 4 elements of type cint32
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
zstepStep 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.
v2cacc80 lmul2_antisym_ct_c ( v16int32  xbuff,
int  xstart,
unsigned int  xoffsets,
v16int32  ybuff,
int  ystart,
unsigned int  mtap,
v4cint32  zbuff,
int  zstart,
unsigned int  zoffsets,
int  zstep 
)

Complex anti-symmetric multiply intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x and y input buffers using small X input buffer.

acc0 = cnj(z00)*(x00 - y00) + cnj(z01)*x01
acc1 = cnj(z10)*(x10 - y10) + cnj(z11)*x11
Returns
Returned accumulation vector (2 x cint80 lanes)
Parameters
xbuffInput buffer of 16 elements of type int32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
ybuffRight input buffer of 16 elements of type int32
ystartStarting position offset applied to all lanes for input from Y buffer.
mtapSelector for partial pre-subtraction relative to xstart
zbuffInput buffer of 4 elements of type cint32
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
zstepStep 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.
v2cacc80 lnegmul2_antisym_ct_c ( v32int32  xbuff,
int  xstart,
unsigned int  xoffsets,
int  ystart,
unsigned int  mtap,
v4cint32  zbuff,
int  zstart,
unsigned int  zoffsets,
int  zstep 
)

Complex anti-symmetric multiply-negate intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer .

acc0 = -( cnj(z00)*(x00 - y00) + cnj(z01)*x01 )
acc1 = -( cnj(z10)*(x10 - y10) + cnj(z11)*x11 )
Returns
Returned accumulation vector (2 x cint80 lanes)
Parameters
xbuffInput buffer of 32 elements of type int32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
ystartStarting position offset applied to all lanes for input from Y buffer.
mtapSelector for partial pre-subtraction relative to xstart
zbuffInput buffer of 4 elements of type cint32
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
zstepStep 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.
v2cacc80 lnegmul2_antisym_ct_c ( v16int32  xbuff,
int  xstart,
unsigned int  xoffsets,
int  ystart,
unsigned int  mtap,
v4cint32  zbuff,
int  zstart,
unsigned int  zoffsets,
int  zstep 
)

Complex anti-symmetric multiply-negate intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x input buffer using small X input buffer.

acc0 = -( cnj(z00)*(x00 - y00) + cnj(z01)*x01 )
acc1 = -( cnj(z10)*(x10 - y10) + cnj(z11)*x11 )
Returns
Returned accumulation vector (2 x cint80 lanes)
Parameters
xbuffInput buffer of 16 elements of type int32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
ystartStarting position offset applied to all lanes for input from Y buffer.
mtapSelector for partial pre-subtraction relative to xstart
zbuffInput buffer of 4 elements of type cint32
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
zstepStep 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.
v2cacc80 lnegmul2_antisym_ct_c ( v16int32  xbuff,
int  xstart,
unsigned int  xoffsets,
v16int32  ybuff,
int  ystart,
unsigned int  mtap,
v4cint32  zbuff,
int  zstart,
unsigned int  zoffsets,
int  zstep 
)

Complex anti-symmetric multiply-negate intrinsic function with center-tap optimization with z buffer conjugation with pre-sub from x and y input buffers using small X input buffer.

acc0 = -( cnj(z00)*(x00 - y00) + cnj(z01)*x01 )
acc1 = -( cnj(z10)*(x10 - y10) + cnj(z11)*x11 )
Returns
Returned accumulation vector (2 x cint80 lanes)
Parameters
xbuffInput buffer of 16 elements of type int32
xstartStarting position offset applied to all lanes of input from X buffer.
xoffsets4b offset for each lane, applied to both x and y buffers. LSB apply to first lane
ybuffRight input buffer of 16 elements of type int32
ystartStarting position offset applied to all lanes for input from Y buffer.
mtapSelector for partial pre-subtraction relative to xstart
zbuffInput buffer of 4 elements of type cint32
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
zstepStep 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.