Float

Overview

Float vector comparison.

Performs the comparison between lanes and return the result of the comparison as a bit in the return word.

Functions
unsigned int	fpge (v8float acc, v16float xbuf, int xstart, unsigned int xoffs)
	Greater-equal comparison for single precision real floating point vectors.
unsigned int	fpge (v8float acc, v32float xbuf, int xstart, unsigned int xoffs)
	Greater-equal comparison for single precision real floating point vectors.
unsigned int	fpge (v8float acc, v8float xbuf, int xstart, unsigned int xoffs)
	Greater-equal comparison for single precision real floating point vectors.
unsigned int	fpge_abs (v8float acc, v32float xbuf, int xstart, unsigned int xoffs)
	Take absolute value and perform greater-equal comparison for single precision real floating point vectors.
unsigned int	fpge_abs (v8float acc, v8float xbuf)
	Take absolute value and perform greater-equal comparison for single precision real floating point vectors.
unsigned int	fpge_abs (v8float acc, v8float xbuf, int xstart, unsigned int xoffs)
	Take absolute value and perform greater-equal comparison for single precision real floating point vectors.
unsigned int	fplt (v8float acc, v16float xbuf, int xstart, unsigned int xoffs)
	Less-than comparision for single precision real floating point vectors.
unsigned int	fplt (v8float acc, v32float xbuf, int xstart, unsigned int xoffs)
	Less-than comparision for single precision real floating point vectors.
unsigned int	fplt (v8float acc, v8float xbuf, int xstart, unsigned int xoffs)
	Less-than comparision for single precision real floating point vectors.
unsigned int	fplt_abs (v8float acc, v32float xbuf, int xstart, unsigned int xoffs)
	Take absolute value and perform less-than comparison for single precision real floating point vectors.
unsigned int	fplt_abs (v8float acc, v8float xbuf)
	Take absolute value and perform less-than comparison for single precision real floating point vectors.
unsigned int	fplt_abs (v8float acc, v8float xbuf, int xstart, unsigned int xoffs)
	Take absolute value and perform less-than comparison for single precision real floating point vectors.

Variables
return	cmp
v8float	ret
v16float	xbuf
v16float int unsigned int	xoffs
v16float int	xstart

Function Documentation

fpge() [1/3]

unsigned int fpge	(	v8float	acc,
		v16float	xbuf,
		int	xstart,
		unsigned int	xoffs
	)

Greater-equal comparison for single precision real floating point vectors.

for (i = 0; i < 8; i++)
  ret[i] = acc[i] >= xbuf[xstart + xoffs[i]]

Returns

Scalar integer with one comparison result per bit.

Parameters

acc	Incoming accumulation vector.
xbuf	Input buffer.
xstart	Starting offset for all lanes of X.
xoffs	8 x 4 bits: Additional lane-dependent offset for X.

fpge() [2/3]

unsigned int fpge	(	v8float	acc,
		v32float	xbuf,
		int	xstart,
		unsigned int	xoffs
	)

Greater-equal comparison for single precision real floating point vectors.

for (i = 0; i < 8; i++)
  ret[i] = acc[i] >= xbuf[xstart + xoffs[i]]

Returns

Scalar integer with one comparison result per bit.

Parameters

acc	Incoming accumulation vector.
xbuf	Input buffer.
xstart	Starting offset for all lanes of X.
xoffs	8 x 4 bits: Additional lane-dependent offset for X.

fpge() [3/3]

unsigned int fpge	(	v8float	acc,
		v8float	xbuf,
		int	xstart,
		unsigned int	xoffs
	)

Greater-equal comparison for single precision real floating point vectors.

for (i = 0; i < 8; i++)
  ret[i] = acc[i] >= xbuf[xstart + xoffs[i]]

Returns

Scalar integer with one comparison result per bit.

Parameters

acc	Incoming accumulation vector.
xbuf	Input buffer.
xstart	Starting offset for all lanes of X.
xoffs	8 x 4 bits: Additional lane-dependent offset for X.

fpge_abs() [1/3]

unsigned int fpge_abs	(	v8float	acc,
		v32float	xbuf,
		int	xstart,
		unsigned int	xoffs
	)

Take absolute value and perform greater-equal comparison for single precision real floating point vectors.

for (i = 0; i < 8; i++)
  ret[i] = acc[i] >= abs(xbuf[xstart + xoffs[i]]

Returns

Scalar integer with one comparison result per bit.

Parameters

acc	Incoming accumulation vector.
xbuf	Input buffer.
xstart	Starting offset for all lanes of X.
xoffs	8 x 4 bits: Additional lane-dependent offset for X.

fpge_abs() [2/3]

unsigned int fpge_abs	(	v8float	acc,
		v8float	xbuf
	)

Take absolute value and perform greater-equal comparison for single precision real floating point vectors.

for (i = 0 ; i < 8 ; i++)
  ret[i] = acc[i] >= abs(xbuf[i]

Returns

Scalar integer with one comparison result per bit.

Parameters

acc	Incoming accumulation vector.
xbuf	Input buffer.

fpge_abs() [3/3]

unsigned int fpge_abs	(	v8float	acc,
		v8float	xbuf,
		int	xstart,
		unsigned int	xoffs
	)

Take absolute value and perform greater-equal comparison for single precision real floating point vectors.

for (i = 0; i < 8; i++)
  ret[i] = acc[i] >= abs(xbuf[xstart + xoffs[i]]

Returns

Scalar integer with one comparison result per bit.

Parameters

acc	Incoming accumulation vector.
xbuf	Input buffer.
xstart	Starting offset for all lanes of X.
xoffs	8 x 4 bits: Additional lane-dependent offset for X.

fplt() [1/3]

unsigned int fplt	(	v8float	acc,
		v16float	xbuf,
		int	xstart,
		unsigned int	xoffs
	)

Less-than comparision for single precision real floating point vectors.

for (i = 0; i < 8; i++)
  ret[i] = acc[i] < xbuf[xstart + xoffs[i]]

Returns

Scalar integer with one comparison result per bit.

Parameters

acc	Incoming accumulation vector.
xbuf	Input buffer.
xstart	Starting offset for all lanes of X.
xoffs	8 x 4 bits: Additional lane-dependent offset for X.

fplt() [2/3]

unsigned int fplt	(	v8float	acc,
		v32float	xbuf,
		int	xstart,
		unsigned int	xoffs
	)

Less-than comparision for single precision real floating point vectors.

for (i = 0; i < 8; i++)
  ret[i] = acc[i] < xbuf[xstart + xoffs[i]]

Returns

Scalar integer with one comparison result per bit.

Parameters

acc	Incoming accumulation vector.
xbuf	Input buffer.
xstart	Starting offset for all lanes of X.
xoffs	8 x 4 bits: Additional lane-dependent offset for X.

fplt() [3/3]

unsigned int fplt	(	v8float	acc,
		v8float	xbuf,
		int	xstart,
		unsigned int	xoffs
	)

Less-than comparision for single precision real floating point vectors.

for (i = 0; i < 8; i++)
  ret[i] = acc[i] < xbuf[xstart + xoffs[i]]

Returns

Scalar integer with one comparison result per bit.

Parameters

acc	Incoming accumulation vector.
xbuf	Input buffer.
xstart	Starting offset for all lanes of X.
xoffs	8 x 4 bits: Additional lane-dependent offset for X.

fplt_abs() [1/3]

unsigned int fplt_abs	(	v8float	acc,
		v32float	xbuf,
		int	xstart,
		unsigned int	xoffs
	)

Take absolute value and perform less-than comparison for single precision real floating point vectors.

for (i = 0; i < 8; i++)
  ret[i] = acc[i] < abs(xbuf[xstart + xoffs[i]]

Returns

Scalar integer with one comparison result per bit.

Parameters

acc	Incoming accumulation vector.
xbuf	Input buffer.
xstart	Starting offset for all lanes of X.
xoffs	8 x 4 bits: Additional lane-dependent offset for X.

fplt_abs() [2/3]

unsigned int fplt_abs	(	v8float	acc,
		v8float	xbuf
	)

Take absolute value and perform less-than comparison for single precision real floating point vectors.

for (i = 0 ; i < 8 ; i++)
  ret[i] = acc[i] < abs(xbuf[i]

Returns

Scalar integer with one comparison result per bit.

Parameters

acc	Incoming accumulation vector.
xbuf	Input buffer.

fplt_abs() [3/3]

unsigned int fplt_abs	(	v8float	acc,
		v8float	xbuf,
		int	xstart,
		unsigned int	xoffs
	)

Take absolute value and perform less-than comparison for single precision real floating point vectors.

for (i = 0; i < 8; i++)
  ret[i] = acc[i] < abs(xbuf[xstart + xoffs[i]]

Returns

Scalar integer with one comparison result per bit.

Parameters

acc	Incoming accumulation vector.
xbuf	Input buffer.
xstart	Starting offset for all lanes of X.
xoffs	8 x 4 bits: Additional lane-dependent offset for X.

Variable Documentation

cmp

return cmp

ret

v8float ret

Initial value:

= fpmac_conf(acc,
                      xbuf,xstart,xoffs,
                      undef_v8float(),0,0,
                      true,true,fpadd_sub,0x00,fpcmp_ge
                      ,cmp)

xbuf

v16float xbuf

xoffs

v16float int unsigned int xoffs

Initial value:

{
    unsigned int cmp

xstart

v16float int xstart