1 #include <linux/export.h> 2 3 #include "libgcc.h" 4 5 long long __ashldi3(long long u, word_type b) 6 { 7 DWunion uu, w; 8 word_type bm; 9 10 if (b == 0) 11 return u; 12 13 uu.ll = u; 14 bm = 32 - b; 15 16 if (bm <= 0) { 17 w.s.low = 0; 18 w.s.high = (unsigned int) uu.s.low << -bm; 19 } else { 20 const unsigned int carries = (unsigned int) uu.s.low >> bm; 21 22 w.s.low = (unsigned int) uu.s.low << b; 23 w.s.high = ((unsigned int) uu.s.high << b) | carries; 24 } 25 26 return w.ll; 27 } 28 EXPORT_SYMBOL(__ashldi3); 29