> * Missing operations such as … simultaneous div/rem Doesn't the div function do this? > * There's no "bitcast" operator that changes the type of a value wit

> * Missing operations such as … simultaneous div/rem Doesn't the div function do this? > * There's no "bitcast" operator that changes the type of a value without affecting the value. The most common workaround involves going through memory and praying the compiler will optimize that away (while violating strict aliasing semantics to boot). > * Missing operations such as popcount, cttz, … or rotates. Thankfully, these are coming in C++20.