(call): Use struct value pattern is struct size is not equal to zero instead of great...

(call): Use struct value pattern is struct size is not equal to zero instead of greater than zero.

(call): Use struct value pattern is struct size is not
equal to zero instead of greater than zero.
(call+7, call+8): New patterns for untyped calls.
(untyped_call): Revise to emit explicit rtl for all operation.
Delete four old patterns that matched the unexpanded untyped_call
pattern.
(blockage): New pattern.
(flush_register_windows): Modify from 0 to 1.
(goto_handler_and_restore): Modify from 1 to 2.
(flush): Modify from 2 to 3.

From-SVN: r8172