t2_               190 src/gauche/arith.h         u_long t1_, t2_, t3_, t4_;                                      \
t2_               193 src/gauche/arith.h         t2_ = xh_ * yl_;                                                \
t2_               195 src/gauche/arith.h         t3_ = t1_ + t2_;                                                \