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#include "uint64.h"
#include "uint32.h"
#ifndef __INLINE_UINT_MSB
uint64 uint64_get_msb(const unsigned char b[4])
{
#ifdef HAS_ULONG64
uint64 r;
r = b[0];
r <<= 8;
r += b[1];
r <<= 8;
r += b[2];
r <<= 8;
r += b[3];
r <<= 8;
r += b[4];
r <<= 8;
r += b[5];
r <<= 8;
r += b[6];
r <<= 8;
r += b[7];
return r;
#else
/* 64-bit operations are painfully expensive on 32-bit systems */
uint32 hi, lo;
hi = b[0];
hi <<= 8;
hi += b[1];
hi <<= 8;
hi += b[2];
hi <<= 8;
hi += b[3];
lo = b[4];
lo <<= 8;
lo += b[5];
lo <<= 8;
lo += b[6];
lo <<= 8;
lo += b[7];
return (((uint64)hi) << 32) + lo;
#endif
}
#endif
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