JSLL_L2D          387 extra_lib/include/js/jslong.h #define JSLL_L2F(f, l)        { double _d; JSLL_L2D(_d, l); (f) = (JSFloat64)_d; }
JSLL_L2D          418 extra_lib/include/js/jslong.h     JSLL_L2D(_d_hi, l); \