2138  	  tree conflicts_a, conflicts_b, difference;  in compute_subscript_distance()  local
2171 	  difference = chrec_fold_minus   in compute_subscript_distance()
2174  	  if (evolution_function_is_constant_p (difference))  in compute_subscript_distance()
2175  	    SUB_DISTANCE (subscript) = difference;  in compute_subscript_distance()
2353   tree difference;  in analyze_ziv_subscript()  local
2361   difference = chrec_fold_minus (integer_type_node, chrec_a, chrec_b);  in analyze_ziv_subscript()
2363   switch (TREE_CODE (difference))  in analyze_ziv_subscript()
2366       if (integer_zerop (difference))  in analyze_ziv_subscript()
2434   tree difference;  in analyze_siv_subscript_cst_affine()  local
2438   difference = chrec_fold_minus   in analyze_siv_subscript_cst_affine()
2441   if (!chrec_is_positive (initial_condition (difference), &value0))  in analyze_siv_subscript_cst_affine()
2476 		  if (tree_fold_divides_p (CHREC_RIGHT (chrec_b), difference))  in analyze_siv_subscript_cst_affine()
2485 							      difference),  in analyze_siv_subscript_cst_affine()
2556 		  if (tree_fold_divides_p (CHREC_RIGHT (chrec_b), difference))  in analyze_siv_subscript_cst_affine()
2563 				      		 integer_type_node, difference,   in analyze_siv_subscript_cst_affine()
3310   tree difference;  in analyze_miv_subscript()  local
3317   difference = chrec_fold_minus (integer_type_node, chrec_a, chrec_b);  in analyze_miv_subscript()
3329   else if (evolution_function_is_constant_p (difference)  in analyze_miv_subscript()
3332 	   && chrec_steps_divide_constant_p (chrec_a, difference, &divide_p)  in analyze_miv_subscript()