sse.h File Reference

#include <xmmintrin.h>

Include dependency graph for sse.h:

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Macros
#define	POLY0(x, c0)   _mm_set1_ps(c0)
#define	POLY1(x, c0, c1)   _mm_add_ps(_mm_mul_ps(POLY0(x, c1), x), _mm_set1_ps(c0))
#define	POLY2(x, c0, c1, c2)   _mm_add_ps(_mm_mul_ps(POLY1(x, c1, c2), x), _mm_set1_ps(c0))
#define	POLY3(x, c0, c1, c2, c3)   _mm_add_ps(_mm_mul_ps(POLY2(x, c1, c2, c3), x), _mm_set1_ps(c0))
#define	POLY4(x, c0, c1, c2, c3, c4)   _mm_add_ps(_mm_mul_ps(POLY3(x, c1, c2, c3, c4), x), _mm_set1_ps(c0))
#define	POLY5(x, c0, c1, c2, c3, c4, c5)   _mm_add_ps(_mm_mul_ps(POLY4(x, c1, c2, c3, c4, c5), x), _mm_set1_ps(c0))
#define	EXP_POLY_DEGREE   4
#define	LOG_POLY_DEGREE   5

Functions
static __m128	_mm_exp2_ps (__m128 x)
static __m128	_mm_log2_ps (__m128 x)
static __m128	_mm_pow_ps (__m128 x, __m128 y)
static __m128	_mm_pow_ps1 (__m128 x, float y)
static float	_mm_vectorGetByIndex (__m128 V, unsigned int i)

Macro Definition Documentation

EXP_POLY_DEGREE

#define EXP_POLY_DEGREE   4

Definition at line 37 of file sse.h.

LOG_POLY_DEGREE

#define LOG_POLY_DEGREE   5

Definition at line 38 of file sse.h.

POLY0

#define POLY0	(		x,
			c0
	)		_mm_set1_ps(c0)

Fast SSE2 implementation of special math functions.

Definition at line 30 of file sse.h.

POLY1

#define POLY1	(		x,
			c0,
			c1
	)		_mm_add_ps(_mm_mul_ps(POLY0(x, c1), x), _mm_set1_ps(c0))

Definition at line 31 of file sse.h.

POLY2

#define POLY2	(		x,
			c0,
			c1,
			c2
	)		_mm_add_ps(_mm_mul_ps(POLY1(x, c1, c2), x), _mm_set1_ps(c0))

Definition at line 32 of file sse.h.

POLY3

#define POLY3	(		x,
			c0,
			c1,
			c2,
			c3
	)		_mm_add_ps(_mm_mul_ps(POLY2(x, c1, c2, c3), x), _mm_set1_ps(c0))

Definition at line 33 of file sse.h.

POLY4

#define POLY4	(		x,
			c0,
			c1,
			c2,
			c3,
			c4
	)		_mm_add_ps(_mm_mul_ps(POLY3(x, c1, c2, c3, c4), x), _mm_set1_ps(c0))

Definition at line 34 of file sse.h.

POLY5

#define POLY5	(		x,
			c0,
			c1,
			c2,
			c3,
			c4,
			c5
	)		_mm_add_ps(_mm_mul_ps(POLY4(x, c1, c2, c3, c4, c5), x), _mm_set1_ps(c0))

Definition at line 35 of file sse.h.

Function Documentation

_mm_exp2_ps()

static __m128 _mm_exp2_ps ( __m128  x )

inlinestatic

See http://www.devmaster.net/forums/showthread.php?p=43580

Definition at line 43 of file sse.h.

References POLY2, POLY3, POLY4, POLY5, and x.

Referenced by _mm_pow_ps(), and _mm_pow_ps1().

_mm_log2_ps()

static __m128 _mm_log2_ps ( __m128  x )

inlinestatic

See http://www.devmaster.net/forums/showthread.php?p=43580

Definition at line 81 of file sse.h.

References i, POLY2, POLY3, POLY4, POLY5, and x.

Referenced by _mm_pow_ps(), and _mm_pow_ps1().

_mm_pow_ps()

static __m128 _mm_pow_ps ( __m128  x, __m128  y  )

inlinestatic

Definition at line 122 of file sse.h.

References _mm_exp2_ps(), _mm_log2_ps(), and x.

_mm_pow_ps1()

static __m128 _mm_pow_ps1 ( __m128  x, float  y  )

inlinestatic

Definition at line 127 of file sse.h.

References _mm_exp2_ps(), _mm_log2_ps(), and x.

_mm_vectorGetByIndex()

static float _mm_vectorGetByIndex ( __m128  V, unsigned int  i  )

inlinestatic

Allow access of the content of a SSE vector

Definition at line 137 of file sse.h.

References i, V, and v.