t1_ 190 src/gauche/arith.h u_long t1_, t2_, t3_, t4_; \ t1_ 192 src/gauche/arith.h t1_ = xl_ * yh_; \ t1_ 195 src/gauche/arith.h t3_ = t1_ + t2_; \ t1_ 196 src/gauche/arith.h if (t3_ < t1_) hi += HALF_WORD; \