contrib/gcc/stmt.c

2246 emit_case_bit_tests (tree index_type, tree index_expr, tree minval,
2276       lo = tree_low_cst (fold_build2 (MINUS_EXPR, index_type,
2278       hi = tree_low_cst (fold_build2 (MINUS_EXPR, index_type,
2289   index_expr = fold_build2 (MINUS_EXPR, index_type,
2290 			    fold_convert (index_type, index_expr),
2291 			    fold_convert (index_type, minval));
2295   mode = TYPE_MODE (index_type);
2347   tree index_type = TREE_TYPE (index_expr);
2348   int unsignedp = TYPE_UNSIGNED (index_type);
2369   if (index_type != error_mark_node)
2397 	  case_list = add_case_node (case_list, index_type, low, high,
2453       range = fold_build2 (MINUS_EXPR, index_type, maxval, minval);
2473 	      minval = build_int_cst (index_type, 0);
2476 	  emit_case_bit_tests (index_type, index_expr, minval, range,
2542 	  emit_case_nodes (index, case_list, default_label, index_type);
2548 	  if (! try_casesi (index_type, index_expr, minval, range,
2559 		  minval = build_int_cst (index_type, 0);
2563 	      ok = try_tablejump (index_type, index_expr, minval, range,
2580 		= tree_low_cst (fold_build2 (MINUS_EXPR, index_type,
2583 		= tree_low_cst (fold_build2 (MINUS_EXPR, index_type,
2842 node_has_low_bound (case_node_ptr node, tree index_type)
2850   if (tree_int_cst_equal (node->low, TYPE_MIN_VALUE (index_type)))
2888 node_has_high_bound (case_node_ptr node, tree index_type)
2895   if (TYPE_MAX_VALUE (index_type) == NULL)
2901   if (tree_int_cst_equal (node->high, TYPE_MAX_VALUE (index_type)))
2933 node_is_bounded (case_node_ptr node, tree index_type)
2935   return (node_has_low_bound (node, index_type)
2936 	  && node_has_high_bound (node, index_type));
2968 		 tree index_type)
2971   int unsignedp = TYPE_UNSIGNED (index_type);
2973   enum machine_mode imode = TYPE_MODE (index_type);
2981   if (node_is_bounded (node, index_type))
3003 	  if (node_is_bounded (node->right, index_type))
3012 	      emit_case_nodes (index, node->left, default_label, index_type);
3015 	  else if (node_is_bounded (node->left, index_type))
3024 	      emit_case_nodes (index, node->right, default_label, index_type);
3077 	      emit_case_nodes (index, node->left, default_label, index_type);
3084 	      emit_case_nodes (index, node->right, default_label, index_type);
3100 	      if (!node_has_low_bound (node, index_type))
3111 	      emit_case_nodes (index, node->right, default_label, index_type);
3131 	      if (!node_has_high_bound (node, index_type))
3142 	      emit_case_nodes (index, node->left, default_label, index_type);
3171 	  if (node_is_bounded (node->right, index_type))
3207 	  emit_case_nodes (index, node->left, default_label, index_type);
3218 	      emit_case_nodes (index, node->right, default_label, index_type);
3226 	  if (!node_has_low_bound (node, index_type))
3247 	  emit_case_nodes (index, node->right, default_label, index_type);
3254 	  if (!node_has_high_bound (node, index_type))
3275 	  emit_case_nodes (index, node->left, default_label, index_type);
3283 	  int high_bound = node_has_high_bound (node, index_type);
3284 	  int low_bound = node_has_low_bound (node, index_type);