iphone - Is there a popcount() for both Simulator and iOS device? -


the closest thing can find t popcount(t x) in metal standard library.

is there simpler version, like:

#include <x86intrin.h>  __builtin_popcount();

which compiles simulator not iphone device ...

don't #include <x86intrin.h>:

// #include <x86intrin.h>  __builtin_popcount();

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