Agner's CPU blog

Sorry,



I found what I was looking for

https://graphics.stanford.edu/~seander/bithacks.html

Over the years these papers got mixed in my head.

Hi Agner, I was reading your book, Optimization C++, many years ago. Today I wanted to find arithmetic hacks and I wasn't able to do that. I checked random older versions on internet archive. I remember hacks such as: An int value is treated as a vector of bytes (simulation SIMD in plain C) Add numb...