" adcl $0, %0\n"
" notl %0\n"
"2:"
- /* Since the input registers which are loaded with iph and ipl
+ /* Since the input registers which are loaded with iph and ihl
are modified, we must also specify them as outputs, or gcc
will assume they contain their original values. */
: "=r" (sum), "=r" (iph), "=r" (ihl)