r106257 - in /branches/dataflow-branch/gcc: Cha...

[hubicka@gcc.gnu.org]

Author: hubicka
Date: Sun Oct 30 23:55:24 2005
New Revision: 106257

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=106257
Log:

	* reg-stack.c (subst_stack_regs_pat): Expect USEs to be ignored for
	liveness.
	(change_stack): Initialize partially dead registers.
	(convert_regs_1): Handle dead return values.
	(reg_to_stack): Switch to partial liveness. 
	(propagate_stack): Push in partially live stuff.

Modified:
    branches/dataflow-branch/gcc/ChangeLog.dataflow
    branches/dataflow-branch/gcc/reg-stack.c