search for: _udiv128

Displaying 1 result from an estimated 1 matches for "_udiv128".

2020 May 21
2
on division of __int128 bit integer
...bserver that division of __int128 bit is very heavy operation. It internally call a routine '__udivti3', which internally call ' __udivmodti4'. Due to it the overall performance is much much slower (almost 15 time slower than if I do it via a combination of 64-bit or microsoft '_udiv128'). Also what to know if I can directly call below routine directly from my code : *unsigned long long* *__udivmodti4* *(unsigned long long *a*, unsigned long long *b*, unsigned long long **c*)* This is against statement "Conceptually,in operation, like ‘/’ or ‘%’, no function is called,...