r231005 - in /trunk/gcc: ChangeLog gimple.c gim...

[bernds@gcc.gnu.org]

Author: bernds
Date: Fri Nov 27 10:05:36 2015
New Revision: 231005

URL: https://gcc.gnu.org/viewcvs?rev=231005&root=gcc&view=rev
Log:
Be more careful about barriers when speculating conditional stores.

	* gimple.h (nonbarrier_call_p): Declare.
	* gimple.c (nonbarrier_call_p): New function.
	* tree-ssa-phiopt.c (nontrapping_dom_walker::before_dom_children):
	Also increment call phase for ASMs with vdef and potential barrier
	calls.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple.c
    trunk/gcc/gimple.h
    trunk/gcc/tree-ssa-phiopt.c