+2000-07-31 Jim Wilson <wilson@cygnus.com>
+
+ * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
+ when computing offset.
+
Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
* genpeep.c (main): Handle DEFINE_PEEPHOLE2.
int offset = 0;
enum machine_mode hfa_mode = VOIDmode;
- /* Arguments larger than 8 bytes start at the next even boundary. */
- if (words > 1 && (cum->words & 1))
+ /* Integer and float arguments larger than 8 bytes start at the next even
+ boundary. Aggregates larger than 8 bytes start at the next even boundary
+ if the aggregate has 16 byte alignment. */
+ /* ??? The ABI does not specify how to handle aggregates with alignment from
+ 9 to 15 bytes, or greater than 16. We handle them all as if they had
+ 16 byte alignment. Such aggregates can occur only if gcc extensions are
+ used. */
+ if ((TYPE_ALIGN (type) > 8 * BITS_PER_UNIT) && (cum->words & 1))
offset = 1;
/* If all argument slots are used, then it must go on the stack. */