TIL: there are compiler intrinsics for add-with-carry. https://www.intel.com/content/www/us/en/docs/cpp-compiler/developer-guide-reference/2021-8/addcarry-u32-

TIL: there are compiler intrinsics for add-with-carry. https://www.intel.com/content/www/us/en/docs/cpp-compiler/developer-guide-reference/2021-8/addcarry-u32-addcarry-u64.html https://www.intel.com/content/www/us/en/docs/cpp-compiler/de...