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[Bug tree-optimization/66036] strided group loads are not vectorized
- 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: Fri, 08 May 2015 15:14:27 +0000
- Subject: [Bug tree-optimization/66036] strided group loads are not vectorized
- Auto-submitted: auto-generated
- References: <bug-66036-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66036
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri May 8 15:13:55 2015
New Revision: 222914
URL: https://gcc.gnu.org/viewcvs?rev=222914&root=gcc&view=rev
Log:
2015-05-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/66036
* tree-vect-data-refs.c (vect_compute_data_ref_alignment):
Handle strided group loads.
(vect_verify_datarefs_alignment): Likewise.
(vect_enhance_data_refs_alignment): Likewise.
(vect_analyze_group_access): Likewise.
(vect_analyze_data_ref_access): Likewise.
(vect_analyze_data_ref_accesses): Likewise.
* tree-vect-stmts.c (vect_model_load_cost): Likewise.
(vectorizable_load): Likewise.
* gcc.dg/vect/slp-41.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/vect/slp-41.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-data-refs.c
trunk/gcc/tree-vect-stmts.c