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TurboPFor: Bit Unpacking

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2017-01-29 19:49:21 +01:00
parent 3f5317ec71
commit 748970383d
1 changed files with 13 additions and 0 deletions
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13
bitunpack.c
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@ -263,6 +263,19 @@ unsigned char *_bitdunpack128v32( const unsigned char *__restrict in, unsigned n
BITUNPACK128V32(in, b, out, sv);
return (unsigned char *)ip;
}
#define VEXP(_i_, _ov_) if(!((_i_) & 1)) m = (*bb) & 0xf;else m = (*bb++) >> 4; _ov_ = _mm_add_epi32(_ov_, _mm_shuffle_epi8(_mm_slli_epi32(_mm_loadu_si128((__m128i*)pex), b), _mm_load_si128((__m128i*)shuffles[m]) ) ); pex += popcnt32(m)
#define VSTO( _op_, _i_, _ov_, _sv_) VEXP( _i_, _ov_); _ov_ = UNZIGZAG128x32(_ov_); SCAN128x32(_ov_,_sv_); _mm_storeu_si128(_op_++, _sv_);
#define VEXP0(_i_, _ov_) if(!((_i_) & 1)) m = (*bb) & 0xf;else m = (*bb++) >> 4; _ov_ = _mm_shuffle_epi8(_mm_loadu_si128((__m128i*)pex),_mm_load_si128((__m128i*)shuffles[m]) ); pex += popcnt32(m)
#define VSTO0(_op_, _i_, _ov_, _sv_) VEXP0( _i_, _ov_); _ov_ = UNZIGZAG128x32(_ov_); SCAN128x32(_ov_,_sv_); _mm_storeu_si128(_op_++, _sv_);
#include "bitunpack_.h"
#define BITUNPACK0(_parm_)
unsigned char *_bitzunpack128v32( const unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start, unsigned b, unsigned *__restrict pex, unsigned char *bb) {
const unsigned char *ip = in+PAD8(128*b); unsigned m;
__m128i sv = _mm_set1_epi32(start);
BITUNPACK128V32(in, b, out, sv);
return (unsigned char *)ip;
}
#endif
#define VSTO(_op_, i, _ov_, __sv) SCANI128x32(_ov_,__sv,cv); _mm_storeu_si128(_op_++, __sv);