ocelot/ocelot/translator/implementation/PTXToILTranslator.cpp
inline int _Log2(unsigned int n)
	{
		int r = 0;
		while (n >>= 1) r++;
		return r;
	}
/* returns the log base 2 of a power of 2 number */
returns the log base 2 of a power of 2 number
returns the log base 2 of a power of 2 number
inline int _Log2(unsigned int n)
	{
		int r = 0;
		while (n >>= 1) r++;
		return r;
	}
inline int _Log2 ( unsigned int n ) { int r = 0 ; while ( n >>= 1 ) r ++ ; return r ; }
returns the log base 2 of a power of 2 number
returns the log base 2 of a power of 2 number