xl_ 189 src/gauche/arith.h u_long xl_ = LO(x), xh_ = HI(x), yl_ = LO(y), yh_ = HI(y); \ xl_ 191 src/gauche/arith.h lo = xl_ * yl_; \ xl_ 192 src/gauche/arith.h t1_ = xl_ * yh_; \