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[Bug tree-optimization/59822] [4.9 Regression] ice in compute_live_loop_exits with -O3
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 15 Jan 2014 15:13:41 +0000
- Subject: [Bug tree-optimization/59822] [4.9 Regression] ice in compute_live_loop_exits with -O3
- Auto-submitted: auto-generated
- References: <bug-59822-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59822
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Jan 15 15:13:08 2014
New Revision: 206630
URL: http://gcc.gnu.org/viewcvs?rev=206630&root=gcc&view=rev
Log:
2014-01-15 Richard Biener <rguenther@suse.de>
PR tree-optimization/59822
* tree-vect-stmts.c (hoist_defs_of_uses): New function.
(vectorizable_load): Use it to hoist defs of uses of invariant
loads out of the loop.
* g++.dg/torture/pr59822.C: New testcase.
Added:
trunk/gcc/testsuite/g++.dg/torture/pr59822.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-stmts.c