egcs/./gcc ChangeLog except.h except.c functio ...

[Jeffrey A. Law]

CVSROOT:	/egcs/carton/cvsfiles
Module name:	egcs
Changes by:	law@egcs.cygnus.com	98/09/09 21:48:44

Modified files:
	gcc            : ChangeLog except.h except.c function.h flow.c 

Log message:
	* except.h (current_function_eh_stub_label): Declare.
	(current_function_eh_old_stub_label): Declare.
	* function.h (struct function): New members eh_stub_label and
	eh_old_stub_label.
	* except.c (current_function_eh_stub_label): New variable.
	(current_function_eh_old_stub_label): New variable.
	(init_eh_for_function): Clear them.
	(save_eh_status): Save them.
	(restore_eh_status): Restore them.
	(expand_builtin_eh_stub): Set current_function_eh_stub_label.
	(expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
	* flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
	make an edge from the block that contains it to the block starting
	with the label if this label is one of the eh stub labels.
	If eh stub labels exist, show they are reachable from the last block
	in the function.