Z buffer conjugation

Overview

16 bit real by 32 bit complex using Z buffer conjugation

Functions
v4cacc80	lmac4_antisym_ct_c (v4cacc80 acc, v64int16 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 .
v4cacc80	lmac4_antisym_ct_c (v4cacc80 acc, v32int16 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.
v4cacc80	lmac4_antisym_ct_c (v4cacc80 acc, v32int16 xbuff, int xstart, unsigned int xoffsets, v32int16 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.
v4cacc80	lmsc4_antisym_ct_c (v4cacc80 acc, v64int16 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 .
v4cacc80	lmsc4_antisym_ct_c (v4cacc80 acc, v32int16 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.
v4cacc80	lmsc4_antisym_ct_c (v4cacc80 acc, v32int16 xbuff, int xstart, unsigned int xoffsets, v32int16 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.
v4cacc80	lmul4_antisym_ct_c (v64int16 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 .
v4cacc80	lmul4_antisym_ct_c (v32int16 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.
v4cacc80	lmul4_antisym_ct_c (v32int16 xbuff, int xstart, unsigned int xoffsets, v32int16 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.
v4cacc80	lnegmul4_antisym_ct_c (v64int16 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 .
v4cacc80	lnegmul4_antisym_ct_c (v32int16 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.
v4cacc80	lnegmul4_antisym_ct_c (v32int16 xbuff, int xstart, unsigned int xoffsets, v32int16 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.
v4cacc48	mac4_antisym_ct_c (v4cacc48 acc, v64int16 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 .
v4cacc48	mac4_antisym_ct_c (v4cacc48 acc, v32int16 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.
v4cacc48	mac4_antisym_ct_c (v4cacc48 acc, v32int16 xbuff, int xstart, unsigned int xoffsets, v32int16 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.
v4cacc48	msc4_antisym_ct_c (v4cacc48 acc, v64int16 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 .
v4cacc48	msc4_antisym_ct_c (v4cacc48 acc, v32int16 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.
v4cacc48	msc4_antisym_ct_c (v4cacc48 acc, v32int16 xbuff, int xstart, unsigned int xoffsets, v32int16 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.
v4cacc48	mul4_antisym_ct_c (v64int16 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 .
v4cacc48	mul4_antisym_ct_c (v32int16 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.
v4cacc48	mul4_antisym_ct_c (v32int16 xbuff, int xstart, unsigned int xoffsets, v32int16 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.
v4cacc48	negmul4_antisym_ct_c (v64int16 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 .
v4cacc48	negmul4_antisym_ct_c (v32int16 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.
v4cacc48	negmul4_antisym_ct_c (v32int16 xbuff, int xstart, unsigned int xoffsets, v32int16 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

v4cacc80 lmac4_antisym_ct_c	(	v4cacc80	acc,
		v64int16	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
acc2 += cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 += cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint80 lanes)

Parameters

acc	Incoming accumulation vector (4 x cint80 lanes)
xbuff	Input buffer of 64 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc80 lmac4_antisym_ct_c	(	v4cacc80	acc,
		v32int16	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
acc2 += cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 += cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint80 lanes)

Parameters

acc	Incoming accumulation vector (4 x cint80 lanes)
xbuff	Input buffer of 32 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc80 lmac4_antisym_ct_c	(	v4cacc80	acc,
		v32int16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v32int16	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
acc2 += cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 += cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint80 lanes)

Parameters

acc	Incoming accumulation vector (4 x cint80 lanes)
xbuff	Input buffer of 32 elements of type int16
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 32 elements of type int16
ystart	Starting position offset applied to all lanes for input from Y buffer.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc80 lmsc4_antisym_ct_c	(	v4cacc80	acc,
		v64int16	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
acc2 -= cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 -= cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint80 lanes)

Parameters

acc	Incoming accumulation vector (4 x cint80 lanes)
xbuff	Input buffer of 64 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc80 lmsc4_antisym_ct_c	(	v4cacc80	acc,
		v32int16	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
acc2 -= cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 -= cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint80 lanes)

Parameters

acc	Incoming accumulation vector (4 x cint80 lanes)
xbuff	Input buffer of 32 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc80 lmsc4_antisym_ct_c	(	v4cacc80	acc,
		v32int16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v32int16	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
acc2 -= cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 -= cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint80 lanes)

Parameters

acc	Incoming accumulation vector (4 x cint80 lanes)
xbuff	Input buffer of 32 elements of type int16
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 32 elements of type int16
ystart	Starting position offset applied to all lanes for input from Y buffer.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc80 lmul4_antisym_ct_c	(	v64int16	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
acc2 = cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 = cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint80 lanes)

Parameters

xbuff	Input buffer of 64 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc80 lmul4_antisym_ct_c	(	v32int16	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
acc2 = cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 = cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint80 lanes)

Parameters

xbuff	Input buffer of 32 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc80 lmul4_antisym_ct_c	(	v32int16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v32int16	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
acc2 = cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 = cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint80 lanes)

Parameters

xbuff	Input buffer of 32 elements of type int16
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 32 elements of type int16
ystart	Starting position offset applied to all lanes for input from Y buffer.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc80 lnegmul4_antisym_ct_c	(	v64int16	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 )
acc2 = -( cnj(z20)*(x20 - y20) + cnj(z21)*x21 )
acc3 = -( cnj(z30)*(x30 - y30) + cnj(z31)*x31 )

Returns

Returned accumulation vector (4 x cint80 lanes)

Parameters

xbuff	Input buffer of 64 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc80 lnegmul4_antisym_ct_c	(	v32int16	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 )
acc2 = -( cnj(z20)*(x20 - y20) + cnj(z21)*x21 )
acc3 = -( cnj(z30)*(x30 - y30) + cnj(z31)*x31 )

Returns

Returned accumulation vector (4 x cint80 lanes)

Parameters

xbuff	Input buffer of 32 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc80 lnegmul4_antisym_ct_c	(	v32int16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v32int16	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 )
acc2 = -( cnj(z20)*(x20 - y20) + cnj(z21)*x21 )
acc3 = -( cnj(z30)*(x30 - y30) + cnj(z31)*x31 )

Returns

Returned accumulation vector (4 x cint80 lanes)

Parameters

xbuff	Input buffer of 32 elements of type int16
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 32 elements of type int16
ystart	Starting position offset applied to all lanes for input from Y buffer.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc48 mac4_antisym_ct_c	(	v4cacc48	acc,
		v64int16	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
acc2 += cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 += cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint48 lanes)

Parameters

acc	Incoming accumulation vector (4 x cint48 lanes)
xbuff	Input buffer of 64 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc48 mac4_antisym_ct_c	(	v4cacc48	acc,
		v32int16	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
acc2 += cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 += cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint48 lanes)

Parameters

acc	Incoming accumulation vector (4 x cint48 lanes)
xbuff	Input buffer of 32 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc48 mac4_antisym_ct_c	(	v4cacc48	acc,
		v32int16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v32int16	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
acc2 += cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 += cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint48 lanes)

Parameters

acc	Incoming accumulation vector (4 x cint48 lanes)
xbuff	Input buffer of 32 elements of type int16
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 32 elements of type int16
ystart	Starting position offset applied to all lanes for input from Y buffer.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc48 msc4_antisym_ct_c	(	v4cacc48	acc,
		v64int16	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
acc2 -= cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 -= cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint48 lanes)

Parameters

acc	Incoming accumulation vector (4 x cint48 lanes)
xbuff	Input buffer of 64 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc48 msc4_antisym_ct_c	(	v4cacc48	acc,
		v32int16	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
acc2 -= cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 -= cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint48 lanes)

Parameters

acc	Incoming accumulation vector (4 x cint48 lanes)
xbuff	Input buffer of 32 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc48 msc4_antisym_ct_c	(	v4cacc48	acc,
		v32int16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v32int16	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
acc2 -= cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 -= cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint48 lanes)

Parameters

acc	Incoming accumulation vector (4 x cint48 lanes)
xbuff	Input buffer of 32 elements of type int16
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 32 elements of type int16
ystart	Starting position offset applied to all lanes for input from Y buffer.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc48 mul4_antisym_ct_c	(	v64int16	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
acc2 = cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 = cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint48 lanes)

Parameters

xbuff	Input buffer of 64 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc48 mul4_antisym_ct_c	(	v32int16	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
acc2 = cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 = cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint48 lanes)

Parameters

xbuff	Input buffer of 32 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc48 mul4_antisym_ct_c	(	v32int16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v32int16	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
acc2 = cnj(z20)*(x20 - y20) + cnj(z21)*x21
acc3 = cnj(z30)*(x30 - y30) + cnj(z31)*x31

Returns

Returned accumulation vector (4 x cint48 lanes)

Parameters

xbuff	Input buffer of 32 elements of type int16
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 32 elements of type int16
ystart	Starting position offset applied to all lanes for input from Y buffer.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc48 negmul4_antisym_ct_c	(	v64int16	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 )
acc2 = -( cnj(z20)*(x20 - y20) + cnj(z21)*x21 )
acc3 = -( cnj(z30)*(x30 - y30) + cnj(z31)*x31 )

Returns

Returned accumulation vector (4 x cint48 lanes)

Parameters

xbuff	Input buffer of 64 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc48 negmul4_antisym_ct_c	(	v32int16	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 )
acc2 = -( cnj(z20)*(x20 - y20) + cnj(z21)*x21 )
acc3 = -( cnj(z30)*(x30 - y30) + cnj(z31)*x31 )

Returns

Returned accumulation vector (4 x cint48 lanes)

Parameters

xbuff	Input buffer of 32 elements of type int16
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.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.

v4cacc48 negmul4_antisym_ct_c	(	v32int16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v32int16	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 )
acc2 = -( cnj(z20)*(x20 - y20) + cnj(z21)*x21 )
acc3 = -( cnj(z30)*(x30 - y30) + cnj(z31)*x31 )

Returns

Returned accumulation vector (4 x cint48 lanes)

Parameters

xbuff	Input buffer of 32 elements of type int16
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 32 elements of type int16
ystart	Starting position offset applied to all lanes for input from Y buffer.
mtap	Selector for partial pre-subtraction relative to xstart
zbuff	Input buffer of 4 elements of type cint32
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.