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BitUnpack SIMD

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This commit is contained in:
powturbo
2015-07-08 16:16:31 +02:00
parent 984289e4fa
commit d51c4ba83d
1 changed files with 20 additions and 1 deletions
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21
bitunpackv.c
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@ -48,7 +48,21 @@
unsigned char *bitunpackv32( unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned b) { unsigned char *ip = in+PAD8(n*b); __m128i sv; BITUNPACKV32(in, n, b, out, sv); return ip; }
#undef VSTO
#undef BITUNPACK0
#undef BITUNPACK0
//------------------------------------------------------
#define VSTO(__op, i, __ov, __sv) __ov = UNZIGZAG128_32(__ov); SCAN128_32(__ov,__sv); _mm_storeu_si128(__op++, __sv)
#include __FILE__
#define BITUNPACK0(__parm)
unsigned char *bitzunpackv32( unsigned char *__restrict in, unsigned n, unsigned *__restrict out, unsigned start, unsigned b) { unsigned char *ip = in+PAD8(n*b);
__m128i sv = _mm_set1_epi32(start);
BITUNPACKV32(in, n, b, out, sv); return ip;
}
#undef VSTO
#undef BITUNPACK0
//------------------------------------------------------
#define VSTO(__op, i, __ov, __sv) SCAN128_32(__ov,__sv); _mm_storeu_si128(__op++, __sv)
@ -62,6 +76,7 @@ unsigned char *bitdunpackv32( unsigned char *__restrict in, unsigned n, unsigned
#undef VSTO
#undef BITUNBLKV32_0
#undef BITUNPACK0
//---------------------------------------------------------------------------------------------------------------------------------------------
#define VSTO(__op, i, __ov, __sv) SCANI128_32(__ov,__sv,cv); _mm_storeu_si128(__op++, __sv);
@ -82,6 +97,10 @@ unsigned char *bitd1unpackv32( unsigned char *__restrict in, unsigned n, unsigne
__m128i sv = _mm_set1_epi32(start), cv = _mm_set_epi32(4,3,2,1);
BITUNPACKV32(in, n, b, out, sv); return ip;
}
#undef VSTO
#undef BITUNBLKV32_0
#undef BITUNPACK0
#else
#include <strings.h>
#include <emmintrin.h>