sum 49 common/gcc-millicode/adddi3.c union uu aa, bb, sum; sum 53 common/gcc-millicode/adddi3.c sum.ui[L] = aa.ui[L] + bb.ui[L]; sum 54 common/gcc-millicode/adddi3.c sum.ui[H] = aa.ui[H] + bb.ui[H] + (sum.ui[L] < bb.ui[L]); sum 55 common/gcc-millicode/adddi3.c return (sum.ll); sum 500 user/testbin/psort/psort.c unsigned long sum = 0; sum 506 user/testbin/psort/psort.c sum += (unsigned char) buf[i]; sum 512 user/testbin/psort/psort.c return sum;