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[Bug tree-optimization/61634] [4.8/4.9/5 Regression] ICE in in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1423
- 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: Thu, 27 Nov 2014 09:34:04 +0000
- Subject: [Bug tree-optimization/61634] [4.8/4.9/5 Regression] ICE in in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1423
- Auto-submitted: auto-generated
- References: <bug-61634-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61634
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Nov 27 09:33:32 2014
New Revision: 218113
URL: https://gcc.gnu.org/viewcvs?rev=218113&root=gcc&view=rev
Log:
2014-11-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/61634
* tree-vect-slp.c: Include gimple-walk.h.
(vect_detect_hybrid_slp_stmts): Rewrite to propagate hybrid
down the SLP tree for one scalar statement.
(vect_detect_hybrid_slp_1): New walker function.
(vect_detect_hybrid_slp_2): Likewise.
(vect_detect_hybrid_slp): Properly handle pattern statements
in a pre-scan over all loop stmts.
* gcc.dg/vect/pr61634.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/vect/pr61634.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-slp.c