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BitUtil: c/c++ header

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2018-03-09 17:57:51 +01:00
parent 26365470a2
commit c536cd6d05
1 changed files with 2 additions and 1 deletions
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bitutil.h
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@ -94,6 +94,7 @@ static inline int64_t zigzagdec64(uint64_t x) { return x >> 1 ^
#include <tmmintrin.h> #include <tmmintrin.h>
#define DELTA128x16(_v_, _sv_) _mm_sub_epi16(_v_, _mm_alignr_epi8(_v_, _sv_, 14)) #define DELTA128x16(_v_, _sv_) _mm_sub_epi16(_v_, _mm_alignr_epi8(_v_, _sv_, 14))
#define DELTA128x32(_v_, _sv_) _mm_sub_epi32(_v_, _mm_alignr_epi8(_v_, _sv_, 12)) #define DELTA128x32(_v_, _sv_) _mm_sub_epi32(_v_, _mm_alignr_epi8(_v_, _sv_, 12))
// SIMD Scan ( prefix sum ) // SIMD Scan ( prefix sum )
#define SCAN128x16( _v_, _sv_) {\ #define SCAN128x16( _v_, _sv_) {\
_v_ = _mm_add_epi16(_v_, _mm_slli_si128(_v_, 2));\ _v_ = _mm_add_epi16(_v_, _mm_slli_si128(_v_, 2));\