DotProducts

Functions
int	__builtin_pulp_dotsp2 (v2s x, v2s y)
	Dot product between 2 vectors of 2 shorts. More...
int	__builtin_pulp_dotspsc2 (v2s x, short int y)
	Dot product between 1 vectors of 2 shorts and a replicated short scalar. More...
int	__builtin_pulp_dotsp4 (v4s x, v4s y)
	Dot product between 2 vectors of 4 bytes. More...
int	__builtin_pulp_dotspsc4 (v4s x, signed char y)
	Dot product between a vector of 4 bytes and a replicated byte scalar. More...
unsigned int	__builtin_pulp_dotup2 (v2u x, v2u y)
	Dot product between 2 vectors of 2 unsigned shorts. More...
unsigned int	__builtin_pulp_dotupsc2 (v2u x, unsigned short int y)
	Dot product between 1 vector of 2 unsigned shorts and a replicated unsigned short scalar. More...
unsigned int	__builtin_pulp_dotup4 (v4u x, v4u y)
	Dot product between 2 vectors of 4 unsigned bytes. More...
unsigned int	__builtin_pulp_dotupsc4 (v4u x, unsigned char y)
	Dot product between 1 vector of 4 unsigned bytes and an unsigned scalar byte replicated 4 times. More...
int	__builtin_pulp_dotusp2 (v2u x, v2s y)
	Dot product between a vector of 2 unsigned shorts and a vector of 2 signed shorts. More...
int	__builtin_pulp_dotuspsc2 (v2u x, short int y)
	Dot product between a vector of 2 unsigned shorts and a signed short scalar replicated 2 times. More...
int	__builtin_pulp_dotusp4 (v4u x, v4s y)
	Dot product between 1 vector of 4 unsigned bytes and 1 vector of 4 signed bytes. More...
int	__builtin_pulp_dotuspsc4 (v4u x, signed char y)
	Dot product between 1 vector of 4 unsigned bytes and one scalar unsigned byte replicated 4 times. More...
int	__builtin_pulp_sdotsp2 (v2s x, v2s y, int z)
	Dot products between 2 vectors of 2 shorts, accumulates result. More...
int	__builtin_pulp_sdotspsc2 (v2s x, short int y, int z)
	Dot products between 1 vectors of 2 shorts and a replicated short scalar, accumulates result. More...
int	__builtin_pulp_sdotsp4 (v4s x, v4s y, int z)
	Dot product between 2 vectors of 4 bytes, accumulates result. More...
int	__builtin_pulp_sdotspsc4 (v4s x, char y, int z)
	Dot product between a vector of 4 bytes and a replicated byte scalar, accumulates the result. More...
unsigned int	__builtin_pulp_sdotup2 (v2u x, v2u y, unsigned int z)
	Dot product between 2 vectors of 2 unsigned shorts, accumulates the result. More...
unsigned int	__builtin_pulp_sdotupsc2 (v2u x, unsigned short int y, unsigned int z)
	Dot product between 1 vector of 2 unsigned shorts and a replicated unsigned short scalar, accumulates the result. More...
unsigned int	__builtin_pulp_sdotup4 (v4u x, v4u y, unsigned int z)
	Dot product between 2 vectors of 4 unsigned bytes, accumulates the result. More...
unsigned int	__builtin_pulp_sdotupsc4 (v4u x, unsigned short int y, unsigned int z)
	Dot product between 1 vector of 4 unsigned bytes and an unsigned scalar byte replicated 4 times, accumulates the result. More...
int	__builtin_pulp_sdotusp2 (v2u x, v2s y, int z)
	Dot product between a vector of 2 unsigned shorts and a vector of 2 signed shorts, accumulates the result. More...
int	__builtin_pulp_sdotuspsc2 (v2s x, short int y, int z)
	Dot product between a vector of 2 unsigned shorts and a signed short scalar replicated 2 times, accumulates the result. More...
int	__builtin_pulp_sdotusp4 (v4u x, v4s y, int z)
	Dot product between 1 vector of 4 unsigned bytes and 1 vector of 4 signed bytes, accumulates the result. More...
int	__builtin_pulp_sdotuspsc4 (v4u x, short int y, int z)
	Dot product between 1 vector of 4 unsigned bytes and one scalar unsigned byte replicated 4 times, accumulates the result. More...

Description

Function Documentation

int __builtin_pulp_dotsp2	(	v2s	x,
		v2s	y
	)

Dot product between 2 vectors of 2 shorts.

Returns: ((short)(x)[0]*(short)(y)[0] + (short)(x)[1]*(short)(y)[1])

Available macros:

    gap8_dotp2(x, y)
    __DOTP2(x, y)

Parameters

x	A vector of 2 shorts
y	A vector of 2 shorts

Referenced by __DOTP2(), and gap8_dotp2().

int __builtin_pulp_dotsp4	(	v4s	x,
		v4s	y
	)

Dot product between 2 vectors of 4 bytes.

Returns: ((char)(x)[0]*(char)(y)[0] + (char)(x)[1]*(char)(y)[1] + (char)(x)[2]*(char)(y)[2] + (char)(x)[3]*(char)(y)[3])

Available macros:

    gap8_dotp4(x, y)
    __DOTP4(x, y)

Parameters

x	A vector of 4 bytes
y	A vector of 4 bytes

Referenced by __DOTP4(), and gap8_dotp4().

int __builtin_pulp_dotspsc2	(	v2s	x,
		short int	y
	)

Dot product between 2 vectors of 2 shorts and a replicated short scalar.

Returns: ((short)(x)[0]*(short)(y) + (short)(x)[1]*(short)(y))

Available macros:

    gap8_dotpsc2(x, y)
    __DOTPSC2(x, y)

Parameters

x	A vector of 2 shorts
y	A short scalar, will be replicated 2 times

Referenced by __DOTPSC2(), and gap8_dotpsc2().

int __builtin_pulp_dotspsc4	(	v4s	x,
		signed char	y
	)

Dot product between a vector of 4 bytes and a replicated byte scalar.

Returns: ((char)(x)[0]*(char)(y) + (char)(x)[1]*(char)(y) + (char)(x)[2]*(char)(y) + (char)(x)[3]*(char)(y))

Available macros:

    gap8_dotpsc4(x, y)
    __DOTPSC4(x, y)

Parameters

x	a Vector of 4 bytes
y	A byte scalar, will be replicated 4 times

Referenced by __DOTPSC4(), and gap8_dotpsc4().

unsigned int __builtin_pulp_dotup2	(	v2u	x,
		v2u	y
	)

Dot product between 2 vectors of 2 unsigned shorts.

Returns: ((unsigned short)(x)[0]*(unsigned short)(y)[0] + (unsigned short)(x)[1]*(unsigned short)(y)[1])

Available macros:

    gap8_dotup2(x, y)
    __DOTPU2(x, y)

Parameters

x	A vector of 2 unsigned shorts
y	A vector of 2 unsigned shorts

Referenced by __DOTPU2(), and gap8_dotpu2().

unsigned int __builtin_pulp_dotup4	(	v4u	x,
		v4u	y
	)

Dot product between 2 vectors of 4 unsigned bytes.

Returns: ((unsigned char)(x)[0]*(unsigned char)(y)[0] + (unsigned char)(x)[1]*(unsigned char)(y)[1] + (unsigned char)(x)[2]*(unsigned char)(y)[2] + (unsigned char)(x)[3]*(unsigned char)(y)[3])

Available macros:

    gap8_dotpu4(x, y)
    __DOTPU4(x, y)

Parameters

x	A vector of 4 unsigned bytes
y	An unsigned byte scalar, will be replicated 4 times

Referenced by __DOTPU4(), and gap8_dotpu4().

unsigned int __builtin_pulp_dotupsc2	(	v2u	x,
		unsigned short int	y
	)

Dot product between 1 vector of 2 unsigned shorts and a replicated unsigned short scalar.

Returns: ((unsigned short)(x)[0]*(unsigned short)(y) + (unsigned short)(x)[1]*(unsigned short)(y))

Available macros:

    gap8_dotpusc2(x, y)
    __DOTPUSC2(x, y)

Parameters

x	A vector of 2 unsigned shorts
y	An unsigned short scalar, will be replicated 2 times

Referenced by __DOTPUSC2(), and gap8_dotpusc2().

unsigned int __builtin_pulp_dotupsc4	(	v4u	x,
		unsigned char	y
	)

Dot product between 1 vector of 4 unsigned bytes and an unsigned scalar byte replicated 4 times.

Returns: ((unsigned char)(x)[0]*(unsigned char)(y) + (unsigned char)(x)[1]*(unsigned char)(y) + (unsigned char)(x)[2]*(unsigned char)(y) + (unsigned char)(x)[3]*(unsigned char)(y))

Available macros:

    gap8_dotpusc4(x, y)
    __DOTPUSC4(x, y)

Parameters

x	A vector of 4 unsigned bytes
y	An unsigned byte scalar, will be replicated 4 times

Referenced by __DOTPUSC4(), and gap8_dotpusc4().

int __builtin_pulp_dotusp2	(	v2u	x,
		v2s	y
	)

Dot product between a vector of 2 unsigned shorts and a vector of 2 signed shorts.

Returns: ((unsigned short)(x)[0]*(short)(y)[0] + (unsigned short)(x)[1]*(short)(y)[1])

Available macros:

    gap8_dotpus2(x, y)
    __DOTPUS2(x, y)

Parameters

x	A vector of 2 unsigned shorts
y	A vector of 2 signed shorts

Referenced by __DOTPUS2(), and gap8_dotpus2().

int __builtin_pulp_dotusp4	(	v4u	x,
		v4s	y
	)

Dot product between 1 vector of 4 unsigned bytes and 1 vector of 4 signed bytes.

Returns: ((unsigned char)(x)[0]*(char)(y)[0] + (unsigned char)(x)[1]*(char)(y)[1] + (unsigned char)(x)[2]*(char)(y)[2] + (unsigned char)(x)[3]*(char)(y)[3])

Available macros:

    gap8_dotpus4(x, y)
    __DOTPUS4(x, y)

Parameters

x	A vector of 4 unsigned bytes
y	A vector of 4 signed bytes

Referenced by __DOTPUS4(), and gap8_dotpus4().

int __builtin_pulp_dotuspsc2	(	v2u	x,
		short int	y
	)

Dot product between a vector of 2 unsigned shorts and a signed short scalar replicated 2 times.

Returns: ((unsigned short)(x)[0]*(short)(y) + (unsigned short)(x)[1]*(short)(y))

Available macros:

    gap8_dotpussc2(x, y)
    __DOTPUSSC2(x, y)

Parameters

x	A vector of 2 unsigned shorts
y	A short scalar, will be replicated 2 times

Referenced by __DOTPUSSC2(), and gap8_dotpussc2().

int __builtin_pulp_dotuspsc4	(	v4u	x,
		signed char	y
	)

Dot product between 1 vector of 4 unsigned bytes and one scalar unsigned byte replicated 4 times.

Returns: ((unsigned char)(x)[0]*(char)(y) + (unsigned char)(x)[1]*(char)(y) + (unsigned char)(x)[2]*(char)(y) + (unsigned char)(x)[3]*(char)(y))

Available macros:

    gap8_dotpussc4(x, y)
    __DOTPUSSC4(x, y)

Parameters

x	A vector of 4 unsigned bytes
y	A signed byte scalar, will be replicated 4 times

Referenced by __DOTPUSSC4(), and gap8_dotpussc4().

int __builtin_pulp_sdotsp2	(	v2s	x,
		v2s	y,
		int	z
	)

Dot products between 2 vectors of 2 shorts, accumulates result.

Returns: z + ((x)[0]*(y)[0] + (x)[1]*(y)[1])

Available macros:

    gap8_sumdotp2(x, y, z)
    __SUMDOTP2(x, y, z)

Parameters

x	A vector of 2 shorts
y	A vector of 2 shorts
z	The accumulator

Referenced by __SUMDOTP2(), and gap8_sumdotp2().

int __builtin_pulp_sdotsp4	(	v4s	x,
		v4s	y,
		int	z
	)

Dot product between 2 vectors of 4 bytes, accumulates result.

Returns: z + ((char)(x)[0]*(char)(y)[0] + (char)(x)[1]*(char)(y)[1] + (char)(x)[2]*(char)(y)[2] + (char)(x)[3]*(char)(y)[3])

Available macros:

    gap8_sumdotp4(x, y, z)
    __SUMDOTP4(x, y, z)

Parameters

x	A vector of 4 bytes
y	A vector of 4 bytes
z	The accumulator

Referenced by __SUMDOTP4(), and gap8_sumdotp4().

int __builtin_pulp_sdotspsc2	(	v2s	x,
		short int	y,
		int	z
	)

Dot products between 2 vectors of 2 shorts and a replicated short scalar, accumulates result.

Returns: z + ((x)[0]*(y) + (x)[1]*(y))

Available macros:

    gap8_sumdotpsc2(x, y, z)
    __SUMDOTPSC2(x, y, z)

Parameters

x	A vector of 2 shorts
y	A short scalar, will be replicated 2 times
z	The accumulator

Referenced by __SUMDOTPSC2(), and gap8_sumdotpsc2().

int __builtin_pulp_sdotspsc4	(	v4s	x,
		char	y,
		int	z
	)

Dot product between a vector of 4 bytes and a replicated byte scalar, accumulates the result.

Returns: z + ((char)(x)[0]*(char)(y) + (char)(x)[1]*(char)(y) + (char)(x)[2]*(char)(y) + (char)(x)[3]*(char)(y))

Available macros:

    gap8_sumdotpsc4(x, y, z)
    __SUMDOTPSC4(x, y, z)

Parameters

x	A vector of 4 bytes
y	A byte scalar, will be replicated 4 times
z	The accumulator

Referenced by __SUMDOTPSC4(), and gap8_sumdotpsc4().

unsigned int __builtin_pulp_sdotup2	(	v2u	x,
		v2u	y,
		unsigned int	z
	)

Dot product between 2 vectors of 2 unsigned shorts, accumulates the result.

Returns: z + ((unsigned short)(x)[0]*(unsigned short)(y)[0] + (unsigned short)(x)[1]*(unsigned short)(y)[1])

Available macros:

    gap8_sumdotup2(x, y, z)
    __SUMDOTPU2(x, y, z)

Parameters

x	A vector of 2 unsigned shorts
y	A vector of 2 unsigned shorts
z	The accumulator

Referenced by __SUMDOTPU2(), and gap8_sumdotpu2().

unsigned int __builtin_pulp_sdotup4	(	v4u	x,
		v4u	y,
		unsigned int	z
	)

Dot product between 2 vectors of 4 unsigned bytes, accumulates the result.

Returns: z + ((unsigned char)(x)[0]*(unsigned char)(y)[0] + (unsigned char)(x)[1]*(unsigned char)(y)[1] + (unsigned char)(x)[2]*(unsigned char)(y)[2] + (unsigned char)(x)[3]*(unsigned char)(y)[3])

Available macros:

    gap8_sumdotpu4(x, y, z) 
    __SUMDOTPU4(x, y, z)

Parameters

x	A vector of 4 unsigned bytes
y	A vector of 4 unsigned bytes
z	The accumulator

Referenced by __SUMDOTPU4(), and gap8_sumdotpu4().

unsigned int __builtin_pulp_sdotupsc2	(	v2u	x,
		unsigned short int	y,
		unsigned int	z
	)

Dot product between 1 vector of 2 unsigned shorts and a replicated unsigned short scalar, accumulates the result.

Returns: z + ((unsigned short)(x)[0]*(unsigned short)(y) + (unsigned short)(x)[1]*(unsigned short)(y))

Available macros:

    gap8_sumdotpusc2(x, y, z)
    __SUMDOTPUSC2(x, y, z)

Parameters

x	A vector of 2 unsigned shorts
y	An unsigned short scalar, will be replicated 2 times
z	The accumulator

Referenced by __SUMDOTPUSC2(), and gap8_sumdotpusc2().

unsigned int __builtin_pulp_sdotupsc4	(	v4u	x,
		unsigned short int	y,
		unsigned int	z
	)

Dot product between 1 vector of 4 unsigned bytes and an unsigned scalar byte replicated 4 times, accumulates the result.

Returns: z + ((unsigned char)(x)[0]*(unsigned char)(y) + (unsigned char)(x)[1]*(unsigned char)(y) + (unsigned char)(x)[2]*(unsigned char)(y) + (unsigned char)(x)[3]*(unsigned char)(y))

Available macros:

    gap8_sumdotpusc4(x, y, z)
    __SUMDOTPUSC4(x, y, z)

Parameters

x	A vector of 4 unsigned bytes
y	An unsigned scalar byte, will be replicated 4 times
z	The accumulator

Referenced by __SUMDOTPUSC4(), and gap8_sumdotpusc4().

int __builtin_pulp_sdotusp2	(	v2u	x,
		v2s	y,
		int	z
	)

Dot product between a vector of 2 unsigned shorts and a vector of 2 signed shorts, accumulates the result.

Returns: z + ((unsigned short)(x)[0]*(short)(y)[0] + (unsigned short)(x)[1]*(short)(y)[1])

Available macros:

    gap8_sumdotpus2(x, y, z)
    __SUMDOTPUS2(x, y, z)

Parameters

x	A vector of 2 unsigned shorts
y	A vector of 2 signed shorts
z	The accumulator

Referenced by __SUMDOTPUS2(), and gap8_sumdotpus2().

int __builtin_pulp_sdotusp4	(	v4u	x,
		v4s	y,
		int	z
	)

Dot product between 1 vector of 4 unsigned bytes and 1 vector of 4 signed bytes, accumulates the result.

Returns: z + ((unsigned char)(x)[0]*(char)(y)[0] + (unsigned char)(x)[1]*(char)(y)[1] + (unsigned char)(x)[2]*(char)(y)[2] + (unsigned char)(x)[3]*(char)(y)[3])

Available macros:

    gap8_sumdotpus4(x, y, z) 
    __SUMDOTPUS4(x, y, z)

Parameters

x	A vector of 4 unsigned bytes
y	A vector of 4 signed bytes
z	The accumulator

Referenced by __SUMDOTPUS4(), and gap8_sumdotpus4().

int __builtin_pulp_sdotuspsc2	(	v2s	x,
		short int	y,
		int	z
	)

Dot product between a vector of 2 unsigned shorts and a signed short scalar replicated 2 times, accumulates the result.

Returns: z + ((unsigned short)(x)[0]*(short)(y) + (unsigned short)(x)[1]*(short)(y))

Available macros:

    gap8_sumdotpussc2(x, y, z)
    __SUMDOTPUSSC2(x, y, z)

Parameters

x	A vector of 2 unsigned shorts
y	A signed scalar short, will be replicated 2 times
z	The accumulator

Referenced by __SUMDOTPUSSC2(), and gap8_sumdotpussc2().

int __builtin_pulp_sdotuspsc4	(	v4u	x,
		short int	y,
		int	z
	)

Dot product between 1 vector of 4 unsigned bytes and one scalar unsigned byte replicated 4 times, accumulates the result.

Returns: z + ((unsigned char)(x)[0]*(char)(y) + (unsigned char)(x)[1]*(char)(y) + (unsigned char)(x)[2]*(char)(y) + (unsigned char)(x)[3]*(char)(y))

Available macros:

    gap8_sumdotpussc4(x, y, z) 
    __SUMDOTPUSSC4(x, y, z)

Parameters

x	A vector of 4 unsigned bytes
y	A signed scalar byte, will be replicated 4 times
z	The accumulator

Referenced by __SUMDOTPUSSC4(), and gap8_sumdotpussc4().