search for: saddo_portable2

...o easy. I tried 2 versions, but the result is quite far away from the optimal assembly. int saddo_native(int a, int b, int* s) { return __builtin_add_overflow(a, b, s); } int saddo_portable(int a, int b, int* s) { *s = (unsigned)a + (unsigned)b; return (a > 0) ? *s <= b : *s > b; } int saddo_portable2(int a, int b, int* s) { *s = (unsigned)a + (unsigned)b; int cond = a > 0; int check = *s > b; return (cond & !check) | (!cond & check); } Assembly: saddo_native: # @saddo_native xor eax, eax add edi, esi seto al mov dword ptr [rdx], edi ret saddo_portable: # @saddo_portable lea eax,...