r179848 - in /trunk/gcc: ChangeLog function.c

[bernds@gcc.gnu.org]

Author: bernds
Date: Wed Oct 12 12:04:04 2011
New Revision: 179848

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179848
Log:
	* function.c (prepare_shrink_wrap, bb_active_p): New function.
	(thread_prologue_and_epilogue_insns): Use bb_active_p.
	Call prepare_shrink_wrap, then recompute bb_active_p for the
	last block.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/function.c