dist/gcc/cse.c

4658       rtx src_folded;
4677 	 contents of src_folded before using it.  */
4719       src_folded = fold_rtx (src, NULL);
4723 	 Suppose src is (CONST_INT -1), and that after truncation src_folded
4724 	 is (CONST_INT 3).  Suppose src_folded is then used for src_const.
4738 	    src_folded
4866 	  && (CONSTANT_P (src_folded)
4870 	      || (GET_CODE (src_folded) == MINUS
4871 		  && GET_CODE (XEXP (src_folded, 0)) == LABEL_REF
4872 		  && GET_CODE (XEXP (src_folded, 1)) == LABEL_REF)))
4873 	src_const = src_folded, src_const_elt = elt;
5065       if (src == src_folded)
5066 	src_folded = 0;
5103 	  else if (src_folded && GET_CODE (src_folded) == code
5104 		   && rtx_equal_p (src_folded, p->exp))
5105 	    src_folded = 0;
5148       if (src_folded)
5150 	  if (rtx_equal_p (src_folded, dest))
5154 	      src_folded_cost = COST (src_folded, mode);
5155 	      src_folded_regcost = approx_reg_cost (src_folded);
5185 	src_folded = src_const, src_folded_cost = src_folded_regcost = -1;
5223 	     src_folded, src, src_eqv, src_related and hash table entry.  */
5224 	  if (src_folded
5234 	      trial = src_folded, src_folded_cost = MAX_COST;
5430 	     pool entry.  Put it in src_folded unless we already have done
5435 		   && (src_folded == 0
5436 		       || (!MEM_P (src_folded)
5442 	      src_folded = trial;