riscv/insns/div.h

   1 sreg_t lhs = sext_xlen(RS1);
   2 sreg_t rhs = sext_xlen(RS2);
   3 if(rhs == 0)
   4   WRITE_RD(UINT64_MAX);
   5 else if(lhs == INT64_MIN && rhs == -1)
   6   WRITE_RD(lhs);
   7 else
   8   WRITE_RD(sext_xlen(lhs / rhs));