dos/__divdi3.c

   1 /*
   2  * arch/i386/libgcc/__divdi3.c
   3  */
   4
   5 #include <stdint.h>
   6 #include <stddef.h>
   7
   8 extern uint64_t __udivmoddi4(uint64_t num, uint64_t den, uint64_t *rem);
   9
  10 int64_t __divdi3(int64_t num, int64_t den)
  11 {
  12   int minus = 0;
  13   int64_t v;
  14
  15   if ( num < 0 ) {
  16     num = -num;
  17     minus = 1;
  18   }
  19   if ( den < 0 ) {
  20     den = -den;
  21     minus ^= 1;
  22   }
  23
  24   v = __udivmoddi4(num, den, NULL);
  25   if ( minus )
  26     v = -v;
  27
  28   return v;
  29 }