This is the mail archive of the
gcc-cvs@gcc.gnu.org
mailing list for the GCC project.
r198001 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 16 Apr 2013 15:32:27 -0000
- Subject: r198001 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: rguenth
Date: Tue Apr 16 15:32:26 2013
New Revision: 198001
URL: http://gcc.gnu.org/viewcvs?rev=198001&root=gcc&view=rev
Log:
2013-04-16 Richard Biener <rguenther@suse.de>
PR tree-optimization/56756
* tree-ssa-loop-im.c (struct first_mem_ref_loc_1): New functor.
(first_mem_ref_loc): New.
(execute_sm): Place the load temporarily before a previous
access instead of in the latch edge to ensure its SSA dependencies
are defined at points dominating the load.
* gcc.dg/torture/pr56756.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr56756.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-loop-im.c