1770   operatorT op_left;  in expr()  local
1788   op_left = operatorf (&op_chars);  in expr()
1789   while (op_left != O_illegal && op_rank[(int) op_left] > rank)  in expr()
1797       rightseg = expr (op_rank[(int) op_left], &right, mode);  in expr()
1809       if (op_left == O_index)  in expr()
1822       know (op_right == O_illegal || op_left == O_index  in expr()
1823 	    || op_rank[(int) op_right] <= op_rank[(int) op_left]);  in expr()
1824       know ((int) op_left >= (int) O_multiply);  in expr()
1826       know ((int) op_left <= (int) O_index);  in expr()
1828       know ((int) op_left < (int) O_max);  in expr()
1861       if (md_optimize_expr (resultP, op_left, &right))  in expr()
1871       if (op_left == O_add && right.X_op == O_constant  in expr()
1878       else if (op_left == O_subtract  in expr()
1901       else if (op_left == O_subtract && right.X_op == O_constant  in expr()
1907       else if (op_left == O_add && resultP->X_op == O_constant  in expr()
1921 	  if (v == 0 && (op_left == O_divide || op_left == O_modulus))  in expr()
1927 	      && (op_left == O_left_shift || op_left == O_right_shift))  in expr()
1934 	  switch (op_left)  in expr()
1991 	       && (op_left == O_add  in expr()
1992 		   || op_left == O_subtract  in expr()
1997 	  resultP->X_op = op_left;  in expr()
1999 	  if (op_left == O_add)  in expr()
2001 	  else if (op_left == O_subtract)  in expr()
2021 	  resultP->X_op = op_left;  in expr()
2046 	  else if (op_left == O_subtract)  in expr()
2053       op_left = op_right;  in expr()