Dynamic X and Z buffer conjugation

Overview

16 bit complex by 32 bit complex using Dynamic X and Z buffer conjugation

Functions
v8cacc48	mac4_sym_uct (v8cacc48 acc, v32cint16 xbuff, int xstart, unsigned int xoffsets, int ystart, bool xyconj, int uct_shift, v4cint32 zbuff, int zstart, unsigned int zoffsets, bool zconj)
	Complex symetric multiply-accumulate intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x input buffer .
v8cacc48	mac4_sym_uct (v8cacc48 acc, v16cint16 xbuff, int xstart, unsigned int xoffsets, int ystart, bool xyconj, int uct_shift, v4cint32 zbuff, int zstart, unsigned int zoffsets, bool zconj)
	Complex symetric multiply-accumulate intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x input buffer using small X input buffer.
v8cacc48	mac4_sym_uct (v8cacc48 acc, v16cint16 xbuff, int xstart, unsigned int xoffsets, v16cint16 ybuff, int ystart, bool xyconj, int uct_shift, v4cint32 zbuff, int zstart, unsigned int zoffsets, bool zconj)
	Complex symetric multiply-accumulate intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x and y input buffers using small X input buffer.
v8cacc48	msc4_sym_uct (v8cacc48 acc, v32cint16 xbuff, int xstart, unsigned int xoffsets, int ystart, bool xyconj, int uct_shift, v4cint32 zbuff, int zstart, unsigned int zoffsets, bool zconj)
	Complex symetric multiply-subtract intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x input buffer .
v8cacc48	msc4_sym_uct (v8cacc48 acc, v16cint16 xbuff, int xstart, unsigned int xoffsets, int ystart, bool xyconj, int uct_shift, v4cint32 zbuff, int zstart, unsigned int zoffsets, bool zconj)
	Complex symetric multiply-subtract intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x input buffer using small X input buffer.
v8cacc48	msc4_sym_uct (v8cacc48 acc, v16cint16 xbuff, int xstart, unsigned int xoffsets, v16cint16 ybuff, int ystart, bool xyconj, int uct_shift, v4cint32 zbuff, int zstart, unsigned int zoffsets, bool zconj)
	Complex symetric multiply-subtract intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x and y input buffers using small X input buffer.
v8cacc48	mul4_sym_uct (v32cint16 xbuff, int xstart, unsigned int xoffsets, int ystart, bool xyconj, int uct_shift, v4cint32 zbuff, int zstart, unsigned int zoffsets, bool zconj)
	Complex symetric multiply intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x input buffer .
v8cacc48	mul4_sym_uct (v16cint16 xbuff, int xstart, unsigned int xoffsets, int ystart, bool xyconj, int uct_shift, v4cint32 zbuff, int zstart, unsigned int zoffsets, bool zconj)
	Complex symetric multiply intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x input buffer using small X input buffer.
v8cacc48	mul4_sym_uct (v16cint16 xbuff, int xstart, unsigned int xoffsets, v16cint16 ybuff, int ystart, bool xyconj, int uct_shift, v4cint32 zbuff, int zstart, unsigned int zoffsets, bool zconj)
	Complex symetric multiply intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x and y input buffers using small X input buffer.
v8cacc48	negmul4_sym_uct (v32cint16 xbuff, int xstart, unsigned int xoffsets, int ystart, bool xyconj, int uct_shift, v4cint32 zbuff, int zstart, unsigned int zoffsets, bool zconj)
	Complex symetric multiply-negate intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x input buffer .
v8cacc48	negmul4_sym_uct (v16cint16 xbuff, int xstart, unsigned int xoffsets, int ystart, bool xyconj, int uct_shift, v4cint32 zbuff, int zstart, unsigned int zoffsets, bool zconj)
	Complex symetric multiply-negate intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x input buffer using small X input buffer.
v8cacc48	negmul4_sym_uct (v16cint16 xbuff, int xstart, unsigned int xoffsets, v16cint16 ybuff, int ystart, bool xyconj, int uct_shift, v4cint32 zbuff, int zstart, unsigned int zoffsets, bool zconj)
	Complex symetric multiply-negate intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x and y input buffers using small X input buffer.

Function Documentation

v8cacc48 mac4_sym_uct	(	v8cacc48	acc,
		v32cint16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		bool	xyconj,
		int	uct_shift,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		bool	zconj
	)

Complex symetric multiply-accumulate intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x input buffer .

acc0 += z00*(x00 + y00)
acc1 += z10*(x10 + y10)
acc2 += z20*(x20 + y20)
acc3 += z30*(x30 + y30)
acc4 = y00 << uct_shift
acc5 = y10 << uct_shift
acc6 = y20 << uct_shift
acc7 = y30 << uct_shift

Returns

Returned accumulation vector (8 x cint48 lanes)

Parameters

acc	Incoming accumulation vector (8 x cint48 lanes)
xbuff	Input buffer of 32 elements of type cint16
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.
xyconj	Selector for conjugation in X and Y buffers
uct_shift	Upshift value to the four upshifted lanes
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
zconj	Selector for conjugation in Z buffer

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.

v8cacc48 mac4_sym_uct	(	v8cacc48	acc,
		v16cint16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		bool	xyconj,
		int	uct_shift,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		bool	zconj
	)

Complex symetric multiply-accumulate intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add 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 = y00 << uct_shift
acc5 = y10 << uct_shift
acc6 = y20 << uct_shift
acc7 = y30 << uct_shift

Returns

Returned accumulation vector (8 x cint48 lanes)

Parameters

acc	Incoming accumulation vector (8 x cint48 lanes)
xbuff	Input buffer of 16 elements of type cint16
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.
xyconj	Selector for conjugation in X and Y buffers
uct_shift	Upshift value to the four upshifted lanes
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
zconj	Selector for conjugation in Z buffer

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.

v8cacc48 mac4_sym_uct	(	v8cacc48	acc,
		v16cint16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v16cint16	ybuff,
		int	ystart,
		bool	xyconj,
		int	uct_shift,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		bool	zconj
	)

Complex symetric multiply-accumulate intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add 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 = y00 << uct_shift
acc5 = y10 << uct_shift
acc6 = y20 << uct_shift
acc7 = y30 << uct_shift

Returns

Returned accumulation vector (8 x cint48 lanes)

Parameters

acc	Incoming accumulation vector (8 x cint48 lanes)
xbuff	Input buffer of 16 elements of type cint16
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 cint16
ystart	Starting position offset applied to all lanes for input from Y buffer.
xyconj	Selector for conjugation in X and Y buffers
uct_shift	Upshift value to the four upshifted lanes
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
zconj	Selector for conjugation in Z buffer

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.

v8cacc48 msc4_sym_uct	(	v8cacc48	acc,
		v32cint16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		bool	xyconj,
		int	uct_shift,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		bool	zconj
	)

Complex symetric multiply-subtract intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x input buffer .

acc0 -= z00*(x00 + y00)
acc1 -= z10*(x10 + y10)
acc2 -= z20*(x20 + y20)
acc3 -= z30*(x30 + y30)
acc4 = y00 << uct_shift
acc5 = y10 << uct_shift
acc6 = y20 << uct_shift
acc7 = y30 << uct_shift

Returns

Returned accumulation vector (8 x cint48 lanes)

Parameters

acc	Incoming accumulation vector (8 x cint48 lanes)
xbuff	Input buffer of 32 elements of type cint16
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.
xyconj	Selector for conjugation in X and Y buffers
uct_shift	Upshift value to the four upshifted lanes
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
zconj	Selector for conjugation in Z buffer

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.

v8cacc48 msc4_sym_uct	(	v8cacc48	acc,
		v16cint16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		bool	xyconj,
		int	uct_shift,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		bool	zconj
	)

Complex symetric multiply-subtract intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add 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 = y00 << uct_shift
acc5 = y10 << uct_shift
acc6 = y20 << uct_shift
acc7 = y30 << uct_shift

Returns

Returned accumulation vector (8 x cint48 lanes)

Parameters

acc	Incoming accumulation vector (8 x cint48 lanes)
xbuff	Input buffer of 16 elements of type cint16
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.
xyconj	Selector for conjugation in X and Y buffers
uct_shift	Upshift value to the four upshifted lanes
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
zconj	Selector for conjugation in Z buffer

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.

v8cacc48 msc4_sym_uct	(	v8cacc48	acc,
		v16cint16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v16cint16	ybuff,
		int	ystart,
		bool	xyconj,
		int	uct_shift,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		bool	zconj
	)

Complex symetric multiply-subtract intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add 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 = y00 << uct_shift
acc5 = y10 << uct_shift
acc6 = y20 << uct_shift
acc7 = y30 << uct_shift

Returns

Returned accumulation vector (8 x cint48 lanes)

Parameters

acc	Incoming accumulation vector (8 x cint48 lanes)
xbuff	Input buffer of 16 elements of type cint16
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 cint16
ystart	Starting position offset applied to all lanes for input from Y buffer.
xyconj	Selector for conjugation in X and Y buffers
uct_shift	Upshift value to the four upshifted lanes
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
zconj	Selector for conjugation in Z buffer

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.

v8cacc48 mul4_sym_uct	(	v32cint16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		bool	xyconj,
		int	uct_shift,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		bool	zconj
	)

Complex symetric multiply intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x input buffer .

acc0 = z00*(x00 + y00)
acc1 = z10*(x10 + y10)
acc2 = z20*(x20 + y20)
acc3 = z30*(x30 + y30)
acc4 = y00 << uct_shift
acc5 = y10 << uct_shift
acc6 = y20 << uct_shift
acc7 = y30 << uct_shift

Returns

Returned accumulation vector (8 x cint48 lanes)

Parameters

xbuff	Input buffer of 32 elements of type cint16
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.
xyconj	Selector for conjugation in X and Y buffers
uct_shift	Upshift value to the four upshifted lanes
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
zconj	Selector for conjugation in Z buffer

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.

v8cacc48 mul4_sym_uct	(	v16cint16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		bool	xyconj,
		int	uct_shift,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		bool	zconj
	)

Complex symetric multiply intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add 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 = y00 << uct_shift
acc5 = y10 << uct_shift
acc6 = y20 << uct_shift
acc7 = y30 << uct_shift

Returns

Returned accumulation vector (8 x cint48 lanes)

Parameters

xbuff	Input buffer of 16 elements of type cint16
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.
xyconj	Selector for conjugation in X and Y buffers
uct_shift	Upshift value to the four upshifted lanes
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
zconj	Selector for conjugation in Z buffer

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.

v8cacc48 mul4_sym_uct	(	v16cint16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v16cint16	ybuff,
		int	ystart,
		bool	xyconj,
		int	uct_shift,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		bool	zconj
	)

Complex symetric multiply intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add 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 = y00 << uct_shift
acc5 = y10 << uct_shift
acc6 = y20 << uct_shift
acc7 = y30 << uct_shift

Returns

Returned accumulation vector (8 x cint48 lanes)

Parameters

xbuff	Input buffer of 16 elements of type cint16
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 cint16
ystart	Starting position offset applied to all lanes for input from Y buffer.
xyconj	Selector for conjugation in X and Y buffers
uct_shift	Upshift value to the four upshifted lanes
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
zconj	Selector for conjugation in Z buffer

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.

v8cacc48 negmul4_sym_uct	(	v32cint16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		bool	xyconj,
		int	uct_shift,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		bool	zconj
	)

Complex symetric multiply-negate intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add from x input buffer .

acc0 = -( z00*(x00 + y00) )
acc1 = -( z10*(x10 + y10) )
acc2 = -( z20*(x20 + y20) )
acc3 = -( z30*(x30 + y30) )
acc4 = y00 << uct_shift )
acc5 = y10 << uct_shift )
acc6 = y20 << uct_shift )
acc7 = y30 << uct_shift )

Returns

Returned accumulation vector (8 x cint48 lanes)

Parameters

xbuff	Input buffer of 32 elements of type cint16
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.
xyconj	Selector for conjugation in X and Y buffers
uct_shift	Upshift value to the four upshifted lanes
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
zconj	Selector for conjugation in Z buffer

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.

v8cacc48 negmul4_sym_uct	(	v16cint16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		bool	xyconj,
		int	uct_shift,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		bool	zconj
	)

Complex symetric multiply-negate intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add 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 = y00 << uct_shift )
acc5 = y10 << uct_shift )
acc6 = y20 << uct_shift )
acc7 = y30 << uct_shift )

Returns

Returned accumulation vector (8 x cint48 lanes)

Parameters

xbuff	Input buffer of 16 elements of type cint16
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.
xyconj	Selector for conjugation in X and Y buffers
uct_shift	Upshift value to the four upshifted lanes
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
zconj	Selector for conjugation in Z buffer

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.

v8cacc48 negmul4_sym_uct	(	v16cint16	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v16cint16	ybuff,
		int	ystart,
		bool	xyconj,
		int	uct_shift,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		bool	zconj
	)

Complex symetric multiply-negate intrinsic function with unit center-tap optimization with dynamic x and z buffer conjugation with pre-add 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 = y00 << uct_shift )
acc5 = y10 << uct_shift )
acc6 = y20 << uct_shift )
acc7 = y30 << uct_shift )

Returns

Returned accumulation vector (8 x cint48 lanes)

Parameters

xbuff	Input buffer of 16 elements of type cint16
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 cint16
ystart	Starting position offset applied to all lanes for input from Y buffer.
xyconj	Selector for conjugation in X and Y buffers
uct_shift	Upshift value to the four upshifted lanes
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
zconj	Selector for conjugation in Z buffer

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.