r192548 - in /trunk/gcc: ChangeLog alias.c ifcv...

[aldyh@gcc.gnu.org]

Author: aldyh
Date: Wed Oct 17 20:59:40 2012
New Revision: 192548

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192548
Log:
	PR rtl-optimization/54900
	* ifcvt.c (noce_can_store_speculate_p): Call
	memory_must_be_modified_in_insn_p.
	* alias.c (memory_must_be_modified_in_insn_p): New.
	(set_dest_equal_p): New.
	* rtl.h (memory_must_be_modified_in_p): Protoize.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/alias.c
    trunk/gcc/ifcvt.c
    trunk/gcc/rtl.h