extern tree build_type_copy ();
-/* Return the mode for data of a given size SIZE and mode class CLASS.
- If LIMIT is nonzero, then don't use modes bigger than MAX_FIXED_MODE_SIZE.
- The value is BLKmode if no other mode is found. */
-
-extern enum machine_mode mode_for_size ();
-
/* Given a ..._TYPE node, calculate the TYPE_SIZE, TYPE_SIZE_UNIT,
TYPE_ALIGN and TYPE_MODE fields.
If called more than once on one node, does nothing except
extern tree save_expr ();
+/* variable_size (EXP) is like save_expr (EXP) except that it
+ is for the special case of something that is part of a
+ variable size for a data type. It makes special arrangements
+ to compute the value at the right time when the data type
+ belongs to a function parameter. */
+
+extern tree variable_size ();
+
/* stabilize_reference (EXP) returns an reference equivalent to EXP
but it can be used multiple times
and only evaluate the subexpressions once. */