9.3.113 POPCNT (I)

Description:  Returns the number of 1 bits in an integer.  
Class:  Elemental function; Generic 
Arguments:  I must be of type integer. 
Results:  The result type is the same as I. The result value is the number of 1 bits in the binary representation of the integer I.

The model for the interpretation of an integer value as a sequence of bits is shown in Section D.3.


If the value of I is B'0...00011010110', the value of POPCNT(I) is 5.

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