On 27 June 2016 at 22:43, Richard Henderson <r...@twiddle.net> wrote: > All you need to do is byte-reverse the data. > > bswap(a + b) == bswap(a) + bswap(b).
? 0xFF + 0xFF == 0x1FE, bswap(0x1FE) == 0xFE010000 bswap(0xFF) + bswap(0xFF) == 0xFF000000 + 0xFF000000 == 0x1FE000000 (or 0xFE000000 with truncate to 32-bit). Or am I missing something? thanks -- PMM
