Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/CANDASM/ADD64_1.C


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#include "int64.h"

void add_64(int64 *dest, int64 *src1, int64 *src2)
{ unsigned hibit1=src1->lo >> 31, hibit2=src2->lo >> 31, hibit3;
  dest->lo=src1->lo + src2->lo;
  hibit3=dest->lo >> 31;
  dest->hi=src1->hi + src2->hi +
           ((hibit1 & hibit2) || (hibit1!= hibit3));
  return;
}