r196768 - in /trunk/gcc: ChangeLog tree-ssa-loo...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Mar 18 08:42:57 2013
New Revision: 196768

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196768
Log:
2013-03-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/39326
	* tree-ssa-loop-im.c (refs_independent_p): Exploit symmetry.
	(struct mem_ref): Replace mem member with ao_ref typed member.
	(MEM_ANALYZABLE): Adjust.
	(memref_eq): Likewise.
	(mem_ref_alloc): Likewise.
	(gather_mem_refs_stmt): Likewise.
	(mem_refs_may_alias_p): Use the ao_ref to query the alias oracle.
	(execute_sm_if_changed_flag_set): Adjust.
	(execute_sm): Likewise.
	(ref_always_accessed_p): Likewise.
	(refs_independent_p): Likewise.
	(can_sm_ref_p): Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-loop-im.c