Z buffer conjugation

Overview

32 bit complex by 16 bit complex using Z buffer conjugation

Functions
v4cacc48	mac4_conj_sym_nc (v4cacc48 acc, v16cint32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex symetric conjugate multiply-accumulate intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer .
v4cacc48	mac4_conj_sym_nc (v4cacc48 acc, v8cint32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex symetric conjugate multiply-accumulate intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.
v4cacc48	mac4_conj_sym_nc (v4cacc48 acc, v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint32 ybuff, int ystart, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex symetric conjugate multiply-accumulate intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.
v4cacc48	msc4_conj_sym_nc (v4cacc48 acc, v16cint32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex symetric conjugate multiply-subtract intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer .
v4cacc48	msc4_conj_sym_nc (v4cacc48 acc, v8cint32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex symetric conjugate multiply-subtract intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.
v4cacc48	msc4_conj_sym_nc (v4cacc48 acc, v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint32 ybuff, int ystart, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex symetric conjugate multiply-subtract intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.
v4cacc48	mul4_conj_sym_nc (v16cint32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex symetric conjugate multiply intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer .
v4cacc48	mul4_conj_sym_nc (v8cint32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex symetric conjugate multiply intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.
v4cacc48	mul4_conj_sym_nc (v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint32 ybuff, int ystart, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex symetric conjugate multiply intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.
v4cacc48	negmul4_conj_sym_nc (v16cint32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex symetric conjugate multiply-negate intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer .
v4cacc48	negmul4_conj_sym_nc (v8cint32 xbuff, int xstart, unsigned int xoffsets, int ystart, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex symetric conjugate multiply-negate intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.
v4cacc48	negmul4_conj_sym_nc (v8cint32 xbuff, int xstart, unsigned int xoffsets, v8cint32 ybuff, int ystart, v8cint16 zbuff, int zstart, unsigned int zoffsets)
	Complex symetric conjugate multiply-negate intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.

Function Documentation

v4cacc48 mac4_conj_sym_nc	(	v4cacc48	acc,
		v16cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex symetric conjugate multiply-accumulate intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer .

acc0 += (cnj(z00)*x00 + z00*y00)
acc1 += (cnj(z10)*x10 + z10*y10)
acc2 += (cnj(z20)*x20 + z20*y20)
acc3 += (cnj(z30)*x30 + z30*y30)

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 both x and y buffers. LSB apply to first lane
ystart	int	Starting position offset applied to all lanes for input from Y buffer.
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

• The previous pseudocode is just a simplified representation of how the operation works, when computed internally it will be done using pre-adding
• 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_conj_sym_nc	(	v4cacc48	acc,
		v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex symetric conjugate multiply-accumulate intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.

acc0 += (cnj(z00)*x00 + z00*y00)
acc1 += (cnj(z10)*x10 + z10*y10)
acc2 += (cnj(z20)*x20 + z20*y20)
acc3 += (cnj(z30)*x30 + z30*y30)

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 both x and y buffers. LSB apply to first lane
ystart	int	Starting position offset applied to all lanes for input from Y buffer.
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

• The previous pseudocode is just a simplified representation of how the operation works, when computed internally it will be done using pre-adding
• 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_conj_sym_nc	(	v4cacc48	acc,
		v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint32	ybuff,
		int	ystart,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex symetric conjugate multiply-accumulate intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.

acc0 += (cnj(z00)*x00 + z00*y00)
acc1 += (cnj(z10)*x10 + z10*y10)
acc2 += (cnj(z20)*x20 + z20*y20)
acc3 += (cnj(z30)*x30 + z30*y30)

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 both x and y buffers. LSB apply to first lane
ybuff	v8cint32	Right input buffer of 8 elements of type cint32
ystart	int	Starting position offset applied to all lanes for input from Y buffer.
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

• The previous pseudocode is just a simplified representation of how the operation works, when computed internally it will be done using pre-adding
• 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_conj_sym_nc	(	v4cacc48	acc,
		v16cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex symetric conjugate multiply-subtract intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer .

acc0 -= (cnj(z00)*x00 + z00*y00)
acc1 -= (cnj(z10)*x10 + z10*y10)
acc2 -= (cnj(z20)*x20 + z20*y20)
acc3 -= (cnj(z30)*x30 + z30*y30)

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 both x and y buffers. LSB apply to first lane
ystart	int	Starting position offset applied to all lanes for input from Y buffer.
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

• The previous pseudocode is just a simplified representation of how the operation works, when computed internally it will be done using pre-adding
• 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_conj_sym_nc	(	v4cacc48	acc,
		v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex symetric conjugate multiply-subtract intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.

acc0 -= (cnj(z00)*x00 + z00*y00)
acc1 -= (cnj(z10)*x10 + z10*y10)
acc2 -= (cnj(z20)*x20 + z20*y20)
acc3 -= (cnj(z30)*x30 + z30*y30)

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 both x and y buffers. LSB apply to first lane
ystart	int	Starting position offset applied to all lanes for input from Y buffer.
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

• The previous pseudocode is just a simplified representation of how the operation works, when computed internally it will be done using pre-adding
• 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_conj_sym_nc	(	v4cacc48	acc,
		v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint32	ybuff,
		int	ystart,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex symetric conjugate multiply-subtract intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.

acc0 -= (cnj(z00)*x00 + z00*y00)
acc1 -= (cnj(z10)*x10 + z10*y10)
acc2 -= (cnj(z20)*x20 + z20*y20)
acc3 -= (cnj(z30)*x30 + z30*y30)

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 both x and y buffers. LSB apply to first lane
ybuff	v8cint32	Right input buffer of 8 elements of type cint32
ystart	int	Starting position offset applied to all lanes for input from Y buffer.
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

• The previous pseudocode is just a simplified representation of how the operation works, when computed internally it will be done using pre-adding
• 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_conj_sym_nc	(	v16cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex symetric conjugate multiply intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer .

acc0 = (cnj(z00)*x00 + z00*y00)
acc1 = (cnj(z10)*x10 + z10*y10)
acc2 = (cnj(z20)*x20 + z20*y20)
acc3 = (cnj(z30)*x30 + z30*y30)

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 both x and y buffers. LSB apply to first lane
ystart	int	Starting position offset applied to all lanes for input from Y buffer.
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

• The previous pseudocode is just a simplified representation of how the operation works, when computed internally it will be done using pre-adding
• 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_conj_sym_nc	(	v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex symetric conjugate multiply intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.

acc0 = (cnj(z00)*x00 + z00*y00)
acc1 = (cnj(z10)*x10 + z10*y10)
acc2 = (cnj(z20)*x20 + z20*y20)
acc3 = (cnj(z30)*x30 + z30*y30)

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 both x and y buffers. LSB apply to first lane
ystart	int	Starting position offset applied to all lanes for input from Y buffer.
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

• The previous pseudocode is just a simplified representation of how the operation works, when computed internally it will be done using pre-adding
• 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_conj_sym_nc	(	v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint32	ybuff,
		int	ystart,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex symetric conjugate multiply intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.

acc0 = (cnj(z00)*x00 + z00*y00)
acc1 = (cnj(z10)*x10 + z10*y10)
acc2 = (cnj(z20)*x20 + z20*y20)
acc3 = (cnj(z30)*x30 + z30*y30)

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 both x and y buffers. LSB apply to first lane
ybuff	v8cint32	Right input buffer of 8 elements of type cint32
ystart	int	Starting position offset applied to all lanes for input from Y buffer.
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

• The previous pseudocode is just a simplified representation of how the operation works, when computed internally it will be done using pre-adding
• 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_conj_sym_nc	(	v16cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex symetric conjugate multiply-negate intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer .

acc0 = -( (cnj(z00)*x00 + z00*y00) )
acc1 = -( (cnj(z10)*x10 + z10*y10) )
acc2 = -( (cnj(z20)*x20 + z20*y20) )
acc3 = -( (cnj(z30)*x30 + z30*y30) )

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 both x and y buffers. LSB apply to first lane
ystart	int	Starting position offset applied to all lanes for input from Y buffer.
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

• The previous pseudocode is just a simplified representation of how the operation works, when computed internally it will be done using pre-adding
• 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_conj_sym_nc	(	v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex symetric conjugate multiply-negate intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.

acc0 = -( (cnj(z00)*x00 + z00*y00) )
acc1 = -( (cnj(z10)*x10 + z10*y10) )
acc2 = -( (cnj(z20)*x20 + z20*y20) )
acc3 = -( (cnj(z30)*x30 + z30*y30) )

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 both x and y buffers. LSB apply to first lane
ystart	int	Starting position offset applied to all lanes for input from Y buffer.
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

• The previous pseudocode is just a simplified representation of how the operation works, when computed internally it will be done using pre-adding
• 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_conj_sym_nc	(	v8cint32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v8cint32	ybuff,
		int	ystart,
		v8cint16	zbuff,
		int	zstart,
		unsigned int	zoffsets
	)

Complex symetric conjugate multiply-negate intrinsic function with z buffer conjugation after computing the selected lanes from the input buffer using small X input buffer.

acc0 = -( (cnj(z00)*x00 + z00*y00) )
acc1 = -( (cnj(z10)*x10 + z10*y10) )
acc2 = -( (cnj(z20)*x20 + z20*y20) )
acc3 = -( (cnj(z30)*x30 + z30*y30) )

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 both x and y buffers. LSB apply to first lane
ybuff	v8cint32	Right input buffer of 8 elements of type cint32
ystart	int	Starting position offset applied to all lanes for input from Y buffer.
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

• The previous pseudocode is just a simplified representation of how the operation works, when computed internally it will be done using pre-adding
• 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.