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Refactor isPowerOfTwo function implementation #1

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Refactor isPowerOfTwo function implementation #1

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3 changes: 2 additions & 1 deletion SystemConfiguration.h
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Original file line number Diff line number Diff line change
Expand Up @@ -203,7 +203,8 @@ unsigned inline dramsim_log2(unsigned value)
}
inline bool isPowerOfTwo(unsigned long x)
{
return (1UL<<dramsim_log2(x)) == x;
return (x && !(x & (x - 1))); //shall be faster needs test
// return (1UL<<dramsim_log2(x)) == x;
}


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