3 ms·
A CPU cycle is Fetch,Decode,Execute,Writeback. The 'zero idiom' instructions do not consume any 'Execute' resources. Apart from this.. as the other poster said,
by ksk 13y ago
A CPU cycle is Fetch,Decode,Execute,Writeback. The 'zero idiom' instructions do not consume any 'Execute' resources. Apart from this.. as the other poster said, smaller opcodes means more instructions can fit inside the caches.