Funnily enough this is the code I was reading today https://github.com/constructor-igor/cudafy/blob/11cdd4def4e7cc349d9771e8251327d771a481c1/Cudafy/Cudafy.Tran

Funnily enough this is the code I was reading today https://github.com/constructor-igor/cudafy/blob/11cdd4def4e7cc349d9771e8251327d771a481c1/Cudafy/Cudafy.Translator/Resources/simd_functions.h#L1178-L1193 https://github.com/constructor-igor/cudafy/blob/11cdd4def4e7... s = a ^ b; // sum bits r = a & 0x7f7f7f7f; // clear msbs t = b & 0x7f7f7f7f; // clear msbs s = s & 0x80808080; // msb sum bits r = r + t; // add without msbs, record carry-out in msbs r = r ^ s; // sum of msb sum and carry-in bits, w/o carry-out