r239326 - in /trunk/gcc: ChangeLog tree-ssa-loo...

[hjl@gcc.gnu.org]

Author: hjl
Date: Wed Aug 10 15:03:02 2016
New Revision: 239326

URL: https://gcc.gnu.org/viewcvs?rev=239326&root=gcc&view=rev
Log:
Fix PR tree-optimization/71734

2016-08-10  Yuri Rumyantsev  <ysrumyan@gmail.com>

	PR tree-optimization/71734
	* tree-ssa-loop-im.c (ref_indep_loop_p): Add new argument
	REF_LOOP, invoke ref_indep_loop_p_1.
	(outermost_indep_loop): Pass LOOP argumnet where REF was defined
	to ref_indep_loop_p.
	(ref_indep_loop_p_1): Fix commentary, add argument REF_LOOP,
	combine it with ref_indep_lopp_p_2, update SAFELEN if only REF
	is inside LOOP, do not cache dpendence value for loops with
	non-zero SAFELEN.
	(ref_indep_loop_p_2): Delete function.
	(can_sm_ref_p): Pass LOOP as additional argument to
	ref_indep_loop_p.

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