// BitlDecoder.cpp #include "StdAfx.h" #include "BitlDecoder.h" namespace NBitl { #if defined(Z7_BITL_USE_REVERSE_BITS_TABLE) MY_ALIGN(64) Byte kReverseTable[256]; static struct CReverseerTableInitializer { CReverseerTableInitializer() { for (unsigned i = 0; i < 256; i++) { unsigned x = ((i & 0x55) << 1) | ((i >> 1) & 0x55); x = ((x & 0x33) << 2) | ((x >> 2) & 0x33); kReverseTable[i] = (Byte)((x << 4) | (x >> 4)); } } } g_ReverseerTableInitializer; #elif 0 unsigned ReverseBits8test(unsigned i) { return ReverseBits8(i); } #endif }