Marco Bodrato <bodrato at mail.dm.unipi.it> writes: No, there are branches in the code above, once compiled. Note "gcc" on shell is clang, which produces much inferior code for GMP. To see what gcc produces on shell, please use the commands gcc8, gcc7, gcc6, etc. (I should do something about that gcc points to clang.) -- Torbjörn Please encrypt, key id 0xC8601622