t3_               190 src/gauche/arith.h         u_long t1_, t2_, t3_, t4_;                                      \
t3_               195 src/gauche/arith.h         t3_ = t1_ + t2_;                                                \
t3_               196 src/gauche/arith.h         if (t3_ < t1_) hi += HALF_WORD;                                 \
t3_               197 src/gauche/arith.h         hi += HI(t3_);                                                  \
t3_               198 src/gauche/arith.h         t4_ = LO(t3_) << HALF_BITS;                                     \