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BitPack SIMD

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powturbo
2015-06-16 17:16:36 +02:00
parent 90198e8624
commit 814911af0e
1 changed files with 2 additions and 3 deletions
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5
bitpackv.c
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@ -39,7 +39,7 @@ unsigned char *bitpackv16(unsigned short *__restrict in, unsigned n, unsigned ch
#undef IPP
//------------------------------------------------------------------------------------------------------------------------------
#define VSTI(__ip, __i, __iv, __sv) v = _mm_loadu_si128(__ip++); __iv = DELTAV(v,__sv); __sv = v
#define VSTI(__ip, __i, __iv, __sv) v = _mm_loadu_si128(__ip++); __iv = DELTA128_32(v,__sv); __sv = v
#define IPP(ip, i, __iv) __iv
#include __FILE__
@ -50,7 +50,7 @@ unsigned char *bitdpackv32(unsigned *__restrict in, unsigned n, unsigned c
#undef VSTI
//------------------------------------------------------------------------------------------------------------------------------
#define VSTI(__ip, __i, __iv, __sv) v = _mm_loadu_si128(__ip++); __iv = _mm_sub_epi32(DELTAV(v,__sv),cv); __sv = v
#define VSTI(__ip, __i, __iv, __sv) v = _mm_loadu_si128(__ip++); __iv = _mm_sub_epi32(DELTA128_32(v,__sv),cv); __sv = v
unsigned char *bitd1packv32(unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start, unsigned b) { unsigned char *pout = out+PAD8(n*b);
__m128i v, sv = _mm_set1_epi32(start), cv = _mm_set1_epi32(1);
@ -103,4 +103,3 @@ unsigned char *bitd1packv32(unsigned *__restrict in, unsigned n, unsigned
}\
}
#endif