## 9.3.115 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.

Examples

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

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