contrib/gcc/tree-ssa-phiopt.c

630   tree smaller, larger, arg_true, arg_false;
644      operand is smaller/larger if the result of the comparison is true.  */
648       larger = TREE_OPERAND (cond, 1);
653       larger = TREE_OPERAND (cond, 0);
685 	  && operand_equal_for_phi_arg_p (arg_false, larger))
689 	     if (smaller < larger)
692 	     rslt = larger;  */
696 	       && operand_equal_for_phi_arg_p (arg_true, larger))
735 	  if (operand_equal_for_phi_arg_p (arg_false, larger))
739 		 if (smaller < larger)
743 		 r = PHI <r', larger>  --> to be turned to MIN_EXPR.  */
757 						  bound, larger)))
764 		 if (smaller < larger)
766 		     r' = MIN_EXPR (larger, bound)
773 	      if (operand_equal_for_phi_arg_p (op0, larger))
775 	      else if (operand_equal_for_phi_arg_p (op1, larger))
794 	  if (operand_equal_for_phi_arg_p (arg_true, larger))
798 		 if (smaller > larger)
802 		 r = PHI <r', larger>  --> to be turned to MAX_EXPR.  */
816 						  bound, larger)))
823 		 if (smaller > larger)
825 		     r' = MAX_EXPR (larger, bound)
832 	      if (operand_equal_for_phi_arg_p (op0, larger))
834 	      else if (operand_equal_for_phi_arg_p (op1, larger))