Intel® C++ Compiler 16.0 User and Reference Guide

__popcnt8

Counts the number of set bits in an 8-bit unsigned integer.This topic only applies to Intel® 64 and IA-32 architectures targeting Intel® Graphics Technology.

Syntax

unsigned char __popcnt8(unsigned char value);

Parameters

value

An 8-bit unsigned integer.

Description

This function counts the number of set bits in value.

Return Values

The number of bits set to 1.

Parent topic: Built-in Functions for Intel® Graphics Technology