1 #include "libgcc.h" 2 3 long long __ashldi3(long long u, word_type b) 4 { 5 DWunion uu, w; 6 word_type bm; 7 8 if (b == 0) 9 return u; 10 11 uu.ll = u; 12 bm = 32 - b; 13 14 if (bm <= 0) { 15 w.s.low = 0; 16 w.s.high = (unsigned int) uu.s.low << -bm; 17 } else { 18 const unsigned int carries = (unsigned int) uu.s.low >> bm; 19 20 w.s.low = (unsigned int) uu.s.low << b; 21 w.s.high = ((unsigned int) uu.s.high << b) | carries; 22 } 23 24 return w.ll; 25 } 26