| #include "libgcc.h" | |
| DWtype __lshrdi3(DWtype u, word_type b) | |
| { | |
| const DWunion uu = {.ll = u}; | |
| const word_type bm = (sizeof (Wtype) * BITS_PER_UNIT) - b; | |
| DWunion w; | |
| if (b == 0) | |
| return u; | |
| if (bm <= 0) { | |
| w.s.high = 0; | |
| w.s.low = (UWtype) uu.s.high >> -bm; | |
| } else { | |
| const UWtype carries = (UWtype) uu.s.high << bm; | |
| w.s.high = (UWtype) uu.s.high >> b; | |
| w.s.low = ((UWtype) uu.s.low >> b) | carries; | |
| } | |
| return w.ll; | |
| } |