Z buffer conjugation

Overview

32 bit real by 32 bit complex using Z buffer conjugation

Functions
v2cacc80	lmac2_sym_ct_c (v2cacc80 acc, v32int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
	Complex symetric multiply-accumulate intrinsic function with center-tap optimization with z buffer conjugation with pre-add from x input buffer .
v2cacc80	lmac2_sym_ct_c (v2cacc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
	Complex symetric multiply-accumulate intrinsic function with center-tap optimization with z buffer conjugation with pre-add from x input buffer using small X input buffer.
v2cacc80	lmac2_sym_ct_c (v2cacc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, v16int32 ybuff, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
	Complex symetric multiply-accumulate intrinsic function with center-tap optimization with z buffer conjugation with pre-add from x and y input buffers using small X input buffer.
v2cacc80	lmsc2_sym_ct_c (v2cacc80 acc, v32int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
	Complex symetric multiply-subtract intrinsic function with center-tap optimization with z buffer conjugation with pre-add from x input buffer .
v2cacc80	lmsc2_sym_ct_c (v2cacc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
	Complex symetric multiply-subtract intrinsic function with center-tap optimization with z buffer conjugation with pre-add from x input buffer using small X input buffer.
v2cacc80	lmsc2_sym_ct_c (v2cacc80 acc, v16int32 xbuff, int xstart, unsigned int xoffsets, v16int32 ybuff, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
	Complex symetric multiply-subtract intrinsic function with center-tap optimization with z buffer conjugation with pre-add from x and y input buffers using small X input buffer.
v2cacc80	lmul2_sym_ct_c (v32int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
	Complex symetric multiply intrinsic function with center-tap optimization with z buffer conjugation with pre-add from x input buffer .
v2cacc80	lmul2_sym_ct_c (v16int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
	Complex symetric multiply intrinsic function with center-tap optimization with z buffer conjugation with pre-add from x input buffer using small X input buffer.
v2cacc80	lmul2_sym_ct_c (v16int32 xbuff, int xstart, unsigned int xoffsets, v16int32 ybuff, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
	Complex symetric multiply intrinsic function with center-tap optimization with z buffer conjugation with pre-add from x and y input buffers using small X input buffer.
v2cacc80	lnegmul2_sym_ct_c (v32int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
	Complex symetric multiply-negate intrinsic function with center-tap optimization with z buffer conjugation with pre-add from x input buffer .
v2cacc80	lnegmul2_sym_ct_c (v16int32 xbuff, int xstart, unsigned int xoffsets, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
	Complex symetric multiply-negate intrinsic function with center-tap optimization with z buffer conjugation with pre-add from x input buffer using small X input buffer.
v2cacc80	lnegmul2_sym_ct_c (v16int32 xbuff, int xstart, unsigned int xoffsets, v16int32 ybuff, int ystart, unsigned int mtap, v4cint32 zbuff, int zstart, unsigned int zoffsets, int zstep)
	Complex symetric multiply-negate intrinsic function with center-tap optimization with z buffer conjugation with pre-add from x and y input buffers using small X input buffer.

Function Documentation

v2cacc80 lmac2_sym_ct_c	(	v2cacc80	acc,
		v32int32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		unsigned int	mtap,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		int	zstep
	)

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

acc0 += cnj(z00)*(x00 + y00) + cnj(z01)*x01
acc1 += cnj(z10)*(x10 + y10) + cnj(z11)*x11

Returns

Returned accumulation vector (2 x cint80 lanes)

Parameters

acc	Incoming accumulation vector (2 x cint80 lanes)
xbuff	Input buffer of 32 elements of type int32
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-adding 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.

v2cacc80 lmac2_sym_ct_c	(	v2cacc80	acc,
		v16int32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		unsigned int	mtap,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		int	zstep
	)

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

acc0 += cnj(z00)*(x00 + y00) + cnj(z01)*x01
acc1 += cnj(z10)*(x10 + y10) + cnj(z11)*x11

Returns

Returned accumulation vector (2 x cint80 lanes)

Parameters

acc	Incoming accumulation vector (2 x cint80 lanes)
xbuff	Input buffer of 16 elements of type int32
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-adding 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.

v2cacc80 lmac2_sym_ct_c	(	v2cacc80	acc,
		v16int32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v16int32	ybuff,
		int	ystart,
		unsigned int	mtap,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		int	zstep
	)

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

acc0 += cnj(z00)*(x00 + y00) + cnj(z01)*x01
acc1 += cnj(z10)*(x10 + y10) + cnj(z11)*x11

Returns

Returned accumulation vector (2 x cint80 lanes)

Parameters

acc	Incoming accumulation vector (2 x cint80 lanes)
xbuff	Input buffer of 16 elements of type int32
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 int32
ystart	Starting position offset applied to all lanes for input from Y buffer.
mtap	Selector for partial pre-adding 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.

v2cacc80 lmsc2_sym_ct_c	(	v2cacc80	acc,
		v32int32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		unsigned int	mtap,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		int	zstep
	)

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

acc0 -= cnj(z00)*(x00 + y00) + cnj(z01)*x01
acc1 -= cnj(z10)*(x10 + y10) + cnj(z11)*x11

Returns

Returned accumulation vector (2 x cint80 lanes)

Parameters

acc	Incoming accumulation vector (2 x cint80 lanes)
xbuff	Input buffer of 32 elements of type int32
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-adding 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.

v2cacc80 lmsc2_sym_ct_c	(	v2cacc80	acc,
		v16int32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		unsigned int	mtap,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		int	zstep
	)

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

acc0 -= cnj(z00)*(x00 + y00) + cnj(z01)*x01
acc1 -= cnj(z10)*(x10 + y10) + cnj(z11)*x11

Returns

Returned accumulation vector (2 x cint80 lanes)

Parameters

acc	Incoming accumulation vector (2 x cint80 lanes)
xbuff	Input buffer of 16 elements of type int32
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-adding 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.

v2cacc80 lmsc2_sym_ct_c	(	v2cacc80	acc,
		v16int32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v16int32	ybuff,
		int	ystart,
		unsigned int	mtap,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		int	zstep
	)

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

acc0 -= cnj(z00)*(x00 + y00) + cnj(z01)*x01
acc1 -= cnj(z10)*(x10 + y10) + cnj(z11)*x11

Returns

Returned accumulation vector (2 x cint80 lanes)

Parameters

acc	Incoming accumulation vector (2 x cint80 lanes)
xbuff	Input buffer of 16 elements of type int32
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 int32
ystart	Starting position offset applied to all lanes for input from Y buffer.
mtap	Selector for partial pre-adding 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.

v2cacc80 lmul2_sym_ct_c	(	v32int32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		unsigned int	mtap,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		int	zstep
	)

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

acc0 = cnj(z00)*(x00 + y00) + cnj(z01)*x01
acc1 = cnj(z10)*(x10 + y10) + cnj(z11)*x11

Returns

Returned accumulation vector (2 x cint80 lanes)

Parameters

xbuff	Input buffer of 32 elements of type int32
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-adding 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.

v2cacc80 lmul2_sym_ct_c	(	v16int32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		unsigned int	mtap,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		int	zstep
	)

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

acc0 = cnj(z00)*(x00 + y00) + cnj(z01)*x01
acc1 = cnj(z10)*(x10 + y10) + cnj(z11)*x11

Returns

Returned accumulation vector (2 x cint80 lanes)

Parameters

xbuff	Input buffer of 16 elements of type int32
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-adding 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.

v2cacc80 lmul2_sym_ct_c	(	v16int32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v16int32	ybuff,
		int	ystart,
		unsigned int	mtap,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		int	zstep
	)

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

acc0 = cnj(z00)*(x00 + y00) + cnj(z01)*x01
acc1 = cnj(z10)*(x10 + y10) + cnj(z11)*x11

Returns

Returned accumulation vector (2 x cint80 lanes)

Parameters

xbuff	Input buffer of 16 elements of type int32
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 int32
ystart	Starting position offset applied to all lanes for input from Y buffer.
mtap	Selector for partial pre-adding 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.

v2cacc80 lnegmul2_sym_ct_c	(	v32int32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		unsigned int	mtap,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		int	zstep
	)

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

acc0 = -( cnj(z00)*(x00 + y00) + cnj(z01)*x01 )
acc1 = -( cnj(z10)*(x10 + y10) + cnj(z11)*x11 )

Returns

Returned accumulation vector (2 x cint80 lanes)

Parameters

xbuff	Input buffer of 32 elements of type int32
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-adding 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.

v2cacc80 lnegmul2_sym_ct_c	(	v16int32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		int	ystart,
		unsigned int	mtap,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		int	zstep
	)

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

acc0 = -( cnj(z00)*(x00 + y00) + cnj(z01)*x01 )
acc1 = -( cnj(z10)*(x10 + y10) + cnj(z11)*x11 )

Returns

Returned accumulation vector (2 x cint80 lanes)

Parameters

xbuff	Input buffer of 16 elements of type int32
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-adding 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.

v2cacc80 lnegmul2_sym_ct_c	(	v16int32	xbuff,
		int	xstart,
		unsigned int	xoffsets,
		v16int32	ybuff,
		int	ystart,
		unsigned int	mtap,
		v4cint32	zbuff,
		int	zstart,
		unsigned int	zoffsets,
		int	zstep
	)

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

acc0 = -( cnj(z00)*(x00 + y00) + cnj(z01)*x01 )
acc1 = -( cnj(z10)*(x10 + y10) + cnj(z11)*x11 )

Returns

Returned accumulation vector (2 x cint80 lanes)

Parameters

xbuff	Input buffer of 16 elements of type int32
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 int32
ystart	Starting position offset applied to all lanes for input from Y buffer.
mtap	Selector for partial pre-adding 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.