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TurboPFor: Bit Pack/UnPack

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2023-03-21 13:23:22 +01:00
parent eed3330ea8
commit 103d63d3cd
1 changed files with 0 additions and 9 deletions
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include_/bitpack.h
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@ -166,15 +166,6 @@ unsigned char *bitunpack64( const unsigned char *__restrict in, unsigned n, uint
// ---------------- Direct Access to a single packed integer array entry -------------------------------------------------------------- // ---------------- Direct Access to a single packed integer array entry --------------------------------------------------------------
#ifdef TURBOPFOR_DAC #ifdef TURBOPFOR_DAC
#ifdef __BMI2__
#include <immintrin.h>
#define bzhi64(_u_, _b_) _bzhi_u64(_u_, _b_)
#define bzhi32(_u_, _b_) _bzhi_u32(_u_, _b_)
#else
#define bzhi64(_u_, _b_) ((_u_) & ((1ull<<(_b_))-1))
#define bzhi32(_u_, _b_) ((_u_) & ((1u <<(_b_))-1))
#endif
#include "conf.h" #include "conf.h"
static ALWAYS_INLINE unsigned bitgetx32(const unsigned char *__restrict in, unsigned idx, unsigned b) { unsigned bidx = b*idx; return bzhi64( ctou64((uint32_t *)in+(bidx>>5)) >> (bidx&0x1f), b ); } static ALWAYS_INLINE unsigned bitgetx32(const unsigned char *__restrict in, unsigned idx, unsigned b) { unsigned bidx = b*idx; return bzhi64( ctou64((uint32_t *)in+(bidx>>5)) >> (bidx&0x1f), b ); }