X and Z buffer conjugation

Overview

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

Functions
v4cacc80	lmac4_cc (v4cacc80 acc, v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply-accumulate intrinsic function with x and z buffer conjugation .
v4cacc80	lmac4_cc (v4cacc80 acc, v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply-accumulate intrinsic function with x and z buffer conjugation using small X input buffer.
v4cacc80	lmsc4_cc (v4cacc80 acc, v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply-subtract intrinsic function with x and z buffer conjugation .
v4cacc80	lmsc4_cc (v4cacc80 acc, v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply-subtract intrinsic function with x and z buffer conjugation using small X input buffer.
v4cacc80	lmul4_cc (v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply intrinsic function with x and z buffer conjugation .
v4cacc80	lmul4_cc (v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply intrinsic function with x and z buffer conjugation using small X input buffer.
v4cacc80	lnegmul4_cc (v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply-negate intrinsic function with x and z buffer conjugation .
v4cacc80	lnegmul4_cc (v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply-negate intrinsic function with x and z buffer conjugation using small X input buffer.
v4cacc48	mac4_cc (v4cacc48 acc, v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply-accumulate intrinsic function with x and z buffer conjugation .
v4cacc48	mac4_cc (v4cacc48 acc, v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply-accumulate intrinsic function with x and z buffer conjugation using small X input buffer.
v4cacc48	msc4_cc (v4cacc48 acc, v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply-subtract intrinsic function with x and z buffer conjugation .
v4cacc48	msc4_cc (v4cacc48 acc, v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply-subtract intrinsic function with x and z buffer conjugation using small X input buffer.
v4cacc48	mul4_cc (v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply intrinsic function with x and z buffer conjugation .
v4cacc48	mul4_cc (v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply intrinsic function with x and z buffer conjugation using small X input buffer.
v4cacc48	negmul4_cc (v16cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply-negate intrinsic function with x and z buffer conjugation .
v4cacc48	negmul4_cc (v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex multiply-negate intrinsic function with x and z buffer conjugation using small X input buffer.

Function Documentation

v4cacc80 lmac4_cc	(	v4cacc80	acc,
		v16cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply-accumulate intrinsic function with x and z buffer conjugation .

acc0 += cnj(z00)*cnj(x00)
acc1 += cnj(z10)*cnj(x10)
acc2 += cnj(z20)*cnj(x20)
acc3 += cnj(z30)*cnj(x30)

Parameters

Input/Output	Type	Comments
return	v4cacc80	Returned accumulation vector (4 x cint80 lanes)
acc	v4cacc80	Incoming accumulation vector (4 x cint80 lanes)
xbuff	v16cint32	Input buffer of 16 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc80 lmac4_cc	(	v4cacc80	acc,
		v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply-accumulate intrinsic function with x and z buffer conjugation using small X input buffer.

acc0 += cnj(z00)*cnj(x00)
acc1 += cnj(z10)*cnj(x10)
acc2 += cnj(z20)*cnj(x20)
acc3 += cnj(z30)*cnj(x30)

Parameters

Input/Output	Type	Comments
return	v4cacc80	Returned accumulation vector (4 x cint80 lanes)
acc	v4cacc80	Incoming accumulation vector (4 x cint80 lanes)
xbuff	v8cint32	Input buffer of 8 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc80 lmsc4_cc	(	v4cacc80	acc,
		v16cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply-subtract intrinsic function with x and z buffer conjugation .

acc0 -= cnj(z00)*cnj(x00)
acc1 -= cnj(z10)*cnj(x10)
acc2 -= cnj(z20)*cnj(x20)
acc3 -= cnj(z30)*cnj(x30)

Parameters

Input/Output	Type	Comments
return	v4cacc80	Returned accumulation vector (4 x cint80 lanes)
acc	v4cacc80	Incoming accumulation vector (4 x cint80 lanes)
xbuff	v16cint32	Input buffer of 16 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc80 lmsc4_cc	(	v4cacc80	acc,
		v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply-subtract intrinsic function with x and z buffer conjugation using small X input buffer.

acc0 -= cnj(z00)*cnj(x00)
acc1 -= cnj(z10)*cnj(x10)
acc2 -= cnj(z20)*cnj(x20)
acc3 -= cnj(z30)*cnj(x30)

Parameters

Input/Output	Type	Comments
return	v4cacc80	Returned accumulation vector (4 x cint80 lanes)
acc	v4cacc80	Incoming accumulation vector (4 x cint80 lanes)
xbuff	v8cint32	Input buffer of 8 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc80 lmul4_cc	(	v16cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply intrinsic function with x and z buffer conjugation .

acc0 = cnj(z00)*cnj(x00)
acc1 = cnj(z10)*cnj(x10)
acc2 = cnj(z20)*cnj(x20)
acc3 = cnj(z30)*cnj(x30)

Parameters

Input/Output	Type	Comments
return	v4cacc80	Returned accumulation vector (4 x cint80 lanes)
xbuff	v16cint32	Input buffer of 16 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc80 lmul4_cc	(	v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply intrinsic function with x and z buffer conjugation using small X input buffer.

acc0 = cnj(z00)*cnj(x00)
acc1 = cnj(z10)*cnj(x10)
acc2 = cnj(z20)*cnj(x20)
acc3 = cnj(z30)*cnj(x30)

Parameters

Input/Output	Type	Comments
return	v4cacc80	Returned accumulation vector (4 x cint80 lanes)
xbuff	v8cint32	Input buffer of 8 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc80 lnegmul4_cc	(	v16cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply-negate intrinsic function with x and z buffer conjugation .

acc0 = -( cnj(z00)*cnj(x00) )
acc1 = -( cnj(z10)*cnj(x10) )
acc2 = -( cnj(z20)*cnj(x20) )
acc3 = -( cnj(z30)*cnj(x30) )

Parameters

Input/Output	Type	Comments
return	v4cacc80	Returned accumulation vector (4 x cint80 lanes)
xbuff	v16cint32	Input buffer of 16 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc80 lnegmul4_cc	(	v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply-negate intrinsic function with x and z buffer conjugation using small X input buffer.

acc0 = -( cnj(z00)*cnj(x00) )
acc1 = -( cnj(z10)*cnj(x10) )
acc2 = -( cnj(z20)*cnj(x20) )
acc3 = -( cnj(z30)*cnj(x30) )

Parameters

Input/Output	Type	Comments
return	v4cacc80	Returned accumulation vector (4 x cint80 lanes)
xbuff	v8cint32	Input buffer of 8 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc48 mac4_cc	(	v4cacc48	acc,
		v16cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply-accumulate intrinsic function with x and z buffer conjugation .

acc0 += cnj(z00)*cnj(x00)
acc1 += cnj(z10)*cnj(x10)
acc2 += cnj(z20)*cnj(x20)
acc3 += cnj(z30)*cnj(x30)

Parameters

Input/Output	Type	Comments
return	v4cacc48	Returned accumulation vector (4 x cint48 lanes)
acc	v4cacc48	Incoming accumulation vector (4 x cint48 lanes)
xbuff	v16cint32	Input buffer of 16 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc48 mac4_cc	(	v4cacc48	acc,
		v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply-accumulate intrinsic function with x and z buffer conjugation using small X input buffer.

acc0 += cnj(z00)*cnj(x00)
acc1 += cnj(z10)*cnj(x10)
acc2 += cnj(z20)*cnj(x20)
acc3 += cnj(z30)*cnj(x30)

Parameters

Input/Output	Type	Comments
return	v4cacc48	Returned accumulation vector (4 x cint48 lanes)
acc	v4cacc48	Incoming accumulation vector (4 x cint48 lanes)
xbuff	v8cint32	Input buffer of 8 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc48 msc4_cc	(	v4cacc48	acc,
		v16cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply-subtract intrinsic function with x and z buffer conjugation .

acc0 -= cnj(z00)*cnj(x00)
acc1 -= cnj(z10)*cnj(x10)
acc2 -= cnj(z20)*cnj(x20)
acc3 -= cnj(z30)*cnj(x30)

Parameters

Input/Output	Type	Comments
return	v4cacc48	Returned accumulation vector (4 x cint48 lanes)
acc	v4cacc48	Incoming accumulation vector (4 x cint48 lanes)
xbuff	v16cint32	Input buffer of 16 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc48 msc4_cc	(	v4cacc48	acc,
		v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply-subtract intrinsic function with x and z buffer conjugation using small X input buffer.

acc0 -= cnj(z00)*cnj(x00)
acc1 -= cnj(z10)*cnj(x10)
acc2 -= cnj(z20)*cnj(x20)
acc3 -= cnj(z30)*cnj(x30)

Parameters

Input/Output	Type	Comments
return	v4cacc48	Returned accumulation vector (4 x cint48 lanes)
acc	v4cacc48	Incoming accumulation vector (4 x cint48 lanes)
xbuff	v8cint32	Input buffer of 8 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc48 mul4_cc	(	v16cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply intrinsic function with x and z buffer conjugation .

acc0 = cnj(z00)*cnj(x00)
acc1 = cnj(z10)*cnj(x10)
acc2 = cnj(z20)*cnj(x20)
acc3 = cnj(z30)*cnj(x30)

Parameters

Input/Output	Type	Comments
return	v4cacc48	Returned accumulation vector (4 x cint48 lanes)
xbuff	v16cint32	Input buffer of 16 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc48 mul4_cc	(	v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply intrinsic function with x and z buffer conjugation using small X input buffer.

acc0 = cnj(z00)*cnj(x00)
acc1 = cnj(z10)*cnj(x10)
acc2 = cnj(z20)*cnj(x20)
acc3 = cnj(z30)*cnj(x30)

Parameters

Input/Output	Type	Comments
return	v4cacc48	Returned accumulation vector (4 x cint48 lanes)
xbuff	v8cint32	Input buffer of 8 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc48 negmul4_cc	(	v16cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply-negate intrinsic function with x and z buffer conjugation .

acc0 = -( cnj(z00)*cnj(x00) )
acc1 = -( cnj(z10)*cnj(x10) )
acc2 = -( cnj(z20)*cnj(x20) )
acc3 = -( cnj(z30)*cnj(x30) )

Parameters

Input/Output	Type	Comments
return	v4cacc48	Returned accumulation vector (4 x cint48 lanes)
xbuff	v16cint32	Input buffer of 16 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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

v4cacc48 negmul4_cc	(	v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex multiply-negate intrinsic function with x and z buffer conjugation using small X input buffer.

acc0 = -( cnj(z00)*cnj(x00) )
acc1 = -( cnj(z10)*cnj(x10) )
acc2 = -( cnj(z20)*cnj(x20) )
acc3 = -( cnj(z30)*cnj(x30) )

Parameters

Input/Output	Type	Comments
return	v4cacc48	Returned accumulation vector (4 x cint48 lanes)
xbuff	v8cint32	Input buffer of 8 elements of type cint32
xstart	int	Starting position offset applied to all lanes of input from X buffer.
xoffsets	unsigned int	4b offset for each lane, applied to the x buffer. LSB apply to first lane
zbuff	v8cint16	Input buffer of 8 elements of type cint16
zstart	int	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	unsigned int	4b offset for each lane, applied to input from Z buffer. LSB apply to first lane

Note

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