include/AK/SoundEngine/Platforms/SSE/AkSimd.h File Reference

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Defines
#define	AKSIMD_LOADU_V4I32(__addr__) _mm_loadu_si128( (__addr__) )
	Loads unaligned 128-bit value (see _mm_loadu_si128).
#define	AKSIMD_LOAD_V4I32(__addr__) _mm_load_si128( (__addr__) )
	Loads aligned 128-bit value (see _mm_loadu_si128).
#define	AKSIMD_SETZERO_V4I32() _mm_setzero_si128()
	Sets the four 32-bit integer values to zero (see _mm_setzero_si128).
#define	AKSIMD_SET_V4I32(__scalar__) _mm_set1_epi32( (__scalar__) )
#define	AKSIMD_SETV_V4I32(_d, _c, _b, _a) _mm_set_epi32( (_d), (_c), (_b), (_a) )
#define	AKSIMD_STORE_V4I32(__addr__, __vec__) _mm_store_si128( (__addr__), (__vec__) )
	Stores four 32-bit integer values.
#define	AKSIMD_STOREU_V4I32(__addr__, __vec__) _mm_storeu_si128( (__addr__), (__vec__) )
#define	AKSIMD_UNPACKLO_VECTOR8I16(a, b) _mm_unpacklo_epi16( a, b )
#define	AKSIMD_UNPACKHI_VECTOR8I16(a, b) _mm_unpackhi_epi16( a, b )
#define	AKSIMD_PACKS_V4I32(a, b) _mm_packs_epi32( a, b )
Platform specific defines for prefetching

#define	AKSIMD_ARCHCACHELINESIZE (64)
	Assumed cache line width for architectures on this platform.
#define	AKSIMD_ARCHMAXPREFETCHSIZE (512)
#define	AKSIMD_PREFETCHMEMORY(__offset__, __add__) _mm_prefetch(((char *)(__add__))+(__offset__), _MM_HINT_NTA )
	Cross-platform memory prefetch of effective address assuming non-temporal data.
Platform specific memory size alignment for allocation purposes

#define	AKSIMD_ALIGNSIZE(__Size__) (((__Size__) + 15) & ~15)
AKSIMD loading / setting

#define	AKSIMD_LOAD_V4F32(__addr__) _mm_load_ps( (AkReal32*)(__addr__) )
	Loads four single-precision, floating-point values (see _mm_load_ps).
#define	AKSIMD_LOADU_V4F32(__addr__) _mm_loadu_ps( (__addr__) )
#define	AKSIMD_LOAD1_V4F32(__scalar__) _mm_load1_ps( &(__scalar__) )
#define	AKSIMD_SET_V4F32(__scalar__) _mm_set_ps1( (__scalar__) )
#define	AKSIMD_SETZERO_V4F32() _mm_setzero_ps()
#define	AKSIMD_LOAD_SS_V4F32(__addr__) _mm_load_ss( (__addr__) )
AKSIMD storing

#define	AKSIMD_STORE_V4F32(__addr__, __vec__) _mm_store_ps( (AkReal32*)(__addr__), (__vec__) )
#define	AKSIMD_STOREU_V4F32(__addr__, __vec__) _mm_storeu_ps( (AkReal32*)(__addr__), (__vec__) )
#define	AKSIMD_STORE1_V4F32(__addr__, __vec__) _mm_store_ss( (AkReal32*)(__addr__), (__vec__) )
AKSIMD shuffling

#define	AKSIMD_SHUFFLE(fp3, fp2, fp1, fp0) _MM_SHUFFLE( (fp3), (fp2), (fp1), (fp0) )
#define	AKSIMD_SHUFFLE_V4F32(a, b, i) _mm_shuffle_ps( a, b, i )
#define	AKSIMD_MOVEHL_V4F32(a, b) _mm_movehl_ps( a, b )
#define	AKSIMD_MOVELH_V4F32(a, b) _mm_movelh_ps( a, b )
#define	AKSIMD_SHUFFLE_BADC(__a__) _mm_shuffle_ps( (__a__), (__a__), _MM_SHUFFLE(2,3,0,1))
	Swap the 2 lower floats together and the 2 higher floats together.
#define	AKSIMD_SHUFFLE_CDAB(__a__) _mm_shuffle_ps( (__a__), (__a__), _MM_SHUFFLE(1,0,3,2))
	Swap the 2 lower floats with the 2 higher floats.
#define	AKSIMD_SHUFFLE_BCDA(__a__) AKSIMD_SHUFFLE_V4F32( (__a__), (__a__), _MM_SHUFFLE(0,3,2,1))
	Barrel-shift all floats by one.
#define	AKSIMD_DUP_ODD(__vv) AKSIMD_SHUFFLE_V4F32(__vv, __vv, AKSIMD_SHUFFLE(3,3,1,1))
	Duplicates the odd items into the even items (d c b a -> d d b b ).
#define	AKSIMD_DUP_EVEN(__vv) AKSIMD_SHUFFLE_V4F32(__vv, __vv, AKSIMD_SHUFFLE(2,2,0,0))
	Duplicates the even items into the odd items (d c b a -> c c a a ).
AKSIMD integer arithmetic

#define	AKSIMD_ADD_V4I32(a, b) _mm_add_epi32( a, b )
	Adds the four integer values of a and b.
AKSIMD packing / unpacking

#define	AKSIMD_UNPACKLO_V4F32(a, b) _mm_unpacklo_ps( a, b )
#define	AKSIMD_UNPACKHI_V4F32(a, b) _mm_unpackhi_ps( a, b )
AKSIMD conversion

#define	AKSIMD_CONVERT_V4I32_TO_V4F32(__vec__) _mm_cvtepi32_ps( (__vec__) )
#define	AKSIMD_CONVERT_V4F32_TO_V4I32(__vec__) _mm_cvtps_epi32( (__vec__) )
#define	AKSIMD_TRUNCATE_V4F32_TO_V4I32(__vec__) _mm_cvttps_epi32( (__vec__) )
#define	AKSIMD_AND_V4I32(__a__, __b__) _mm_and_si128( (__a__), (__b__) )
#define	AKSIMD_CMPGT_V8I16(__a__, __b__) _mm_cmpgt_epi16( (__a__), (__b__) )
AKSIMD shifting

#define	AKSIMD_SHIFTLEFT_V4I32(__vec__, __shiftBy__) _mm_slli_epi32( (__vec__), (__shiftBy__) )
#define	AKSIMD_SHIFTRIGHTARITH_V4I32(__vec__, __shiftBy__) _mm_srai_epi32( (__vec__), (__shiftBy__) )
Typedefs
typedef __m128i	AKSIMD_V4I32
	Vector of 4 32-bit signed integers.
typedef AKSIMD_V4I32	AKSIMD_V4ICOND
AKSIMD types

#define	AKSIMD_V4F32_SUPPORTED
typedef float	AKSIMD_F32
	32-bit float
typedef __m128	AKSIMD_V4F32
	Vector of 4 32-bit floats.
typedef AKSIMD_V4F32	AKSIMD_V4COND
	Vector of 4 comparison results.
typedef AKSIMD_V4F32	AKSIMD_V4FCOND
	Vector of 4 comparison results.
AKSIMD arithmetic

#define	AKSIMD_SUB_V4F32(a, b) _mm_sub_ps( a, b )
#define	AKSIMD_SUB_SS_V4F32(a, b) _mm_sub_ss( a, b )
#define	AKSIMD_ADD_V4F32(a, b) _mm_add_ps( a, b )
#define	AKSIMD_ADD_SS_V4F32(a, b) _mm_add_ss( a, b )
#define	AKSIMD_MUL_V4F32(a, b) _mm_mul_ps( a, b )
#define	AKSIMD_DIV_V4F32(a, b) _mm_div_ps( a, b )
#define	AKSIMD_MUL_SS_V4F32(a, b) _mm_mul_ss( a, b )
#define	AKSIMD_MADD_V4F32(__a__, __b__, __c__) _mm_add_ps( _mm_mul_ps( (__a__), (__b__) ), (__c__) )
	Vector multiply-add operation.
#define	AKSIMD_MSUB_V4F32(__a__, __b__, __c__) _mm_sub_ps( _mm_mul_ps( (__a__), (__b__) ), (__c__) )
#define	AKSIMD_MADD_SS_V4F32(__a__, __b__, __c__) _mm_add_ss( _mm_mul_ss( (__a__), (__b__) ), (__c__) )
	Vector multiply-add operation.
#define	AKSIMD_MIN_V4F32(a, b) _mm_min_ps( a, b )
#define	AKSIMD_MAX_V4F32(a, b) _mm_max_ps( a, b )
#define	AKSIMD_ABS_V4F32(a) _mm_andnot_ps(_mm_set1_ps(-0.f), a)
	Computes the absolute value.
#define	AKSIMD_NEG_V4F32(__a__) _mm_xor_ps(_mm_set1_ps(-0.f), __a__)
	Changes the sign.
#define	AKSIMD_SQRT_V4F32(__a__) _mm_sqrt_ps( (__a__) )
	Vector square root aproximation (see _mm_sqrt_ps).
#define	AKSIMD_ASSERTFLUSHZEROMODE AKASSERT( _MM_GET_FLUSH_ZERO_MODE() == _MM_FLUSH_ZERO_ON )
static AkForceInline void	AKSIMD_HORIZONTALADD (AKSIMD_V4F32 &vVec)
static AkForceInline AKSIMD_V4F32	AKSIMD_DOTPRODUCT (AKSIMD_V4F32 &vVec, const AKSIMD_V4F32 &vfSigns)
static AkForceInline AKSIMD_V4F32	AKSIMD_COMPLEXMUL (const AKSIMD_V4F32 vCIn1, const AKSIMD_V4F32 vCIn2)
	Cross-platform SIMD multiplication of 2 complex data elements with interleaved real and imaginary parts.
AKSIMD vector comparison
Apart from AKSIMD_SEL_GTEQ_V4F32, these implementations are limited to a few platforms.
#define	AKSIMD_CMP_CTRLMASK __m128
#define	AKSIMD_LTEQ_V4F32(__a__, __b__) _mm_cmple_ps( (__a__), (__b__) )
	Vector "<=" operation (see _mm_cmple_ps).
#define	AKSIMD_GTEQ_V4F32(__a__, __b__) _mm_cmpge_ps( (__a__), (__b__) )
	Vector ">=" operation (see _mm_cmple_ps).
#define	AKSIMD_EQ_V4F32(__a__, __b__) _mm_cmpeq_ps( (__a__), (__b__) )
	Vector "==" operation (see _mm_cmpeq_ps).
#define	AKSIMD_SEL_GTEQ_V4F32(__a__, __b__, __cond1__, __cond2__) AKSIMD_VSEL_V4F32( __a__, __b__, AKSIMD_GTEQ_V4F32( __cond1__, __cond2__ ) )
#define	AKSIMD_SEL_GTEZ_V4F32(__a__, __b__, __c__) AKSIMD_VSEL_V4F32( (__c__), (__b__), AKSIMD_GTEQ_V4F32( __a__, _mm_set1_ps(0) ) )
#define	AKSIMD_SPLAT_V4F32(var, idx) AKSIMD_SHUFFLE_V4F32(var,var, AKSIMD_SHUFFLE(idx,idx,idx,idx))
static AkForceInline AKSIMD_V4F32	AKSIMD_VSEL_V4F32 (AKSIMD_V4F32 vA, AKSIMD_V4F32 vB, AKSIMD_V4F32 vMask)
	Return a when control mask is 0, return b when control mask is non zero, control mask is in c and usually provided by above comparison operations.

Detailed Description

AKSIMD - SSE implementation

Definition in file AkSimd.h.

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include/AK/SoundEngine/Platforms/SSE/AkSimd.h File Reference

Defines

Typedefs

AKSIMD types

AKSIMD arithmetic

AKSIMD vector comparison

Detailed Description

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지원이 필요하신가요?

작업하는 프로젝트에 대해 알려주세요. 언제든지 도와드릴 준비가 되어 있습니다.