hi0bits           595 Source/wtf/dtoa.cpp         *bits = (32 * i) - hi0bits(x[i - 1]);
hi0bits          1054 Source/wtf/dtoa.cpp     if ((i = ((s5 ? 32 - hi0bits(S.words()[S.size() - 1]) : 1) + s2) & 0x1f))