dist/gcc/cse.c

4663       rtx src_related = 0;
4903 	  src_related = use_related_value (src_const, src_const_elt);
4904 	  if (src_related)
4907 		= lookup (src_related, HASH (src_related, mode), mode);
4917 		  src_related = 0;
4928       if (src_const && src_related == 0 && CONST_INT_P (src_const)
4949 		    src_related = gen_lowpart (int_mode, const_elt->exp);
4953 	      if (src_related != 0)
4964       if (flag_expensive_optimizations && ! src_related
4993 			src_related
4998 		  if (src_related)
5010       if (flag_expensive_optimizations && src_related == 0
5043 		    src_related = gen_lowpart (int_mode, larger_elt->exp);
5047 	      if (src_related)
5056 	  && !src_related
5060 	  src_related = try_const_anchors (src_const, mode);
5061 	  src_related_is_const_anchor = src_related != NULL_RTX;
5077 	 `src_related'.  */
5109 	  else if (src_related && GET_CODE (src_related) == code
5110 		   && rtx_equal_p (src_related, p->exp))
5111 	    src_related = 0;
5114 	     to prefer it.  Copy it to src_related.  The code below will
5117 	    src_related = p->exp;
5159       if (src_related)
5161 	  if (rtx_equal_p (src_related, dest))
5165 	      src_related_cost = COST (src_related, mode);
5166 	      src_related_regcost = approx_reg_cost (src_related);
5223 	     src_folded, src, src_eqv, src_related and hash table entry.  */
5256 	  else if (src_related
5259 	    trial = src_related, src_related_cost = MAX_COST;