https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43432
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |egallager at gcc dot gnu.org
--- Comment #4 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Michael Matz from comment #3)
> Subject: Bug 43432
>
> Author: matz
> Date: Fri Sep 17 13:26:43 2010
> New Revision: 164367
>
> URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164367
> Log:
> PR tree-optimization/43432
> * tree-vect-data-refs.c (vect_analyze_data_ref_access):
> Accept backwards consecutive accesses.
> (vect_create_data_ref_ptr): If step is negative generate
> decreasing IVs.
> * tree-vect-stmts.c (vectorizable_store): Reject negative steps.
> (perm_mask_for_reverse, reverse_vec_elements): New functions.
> (vectorizable_load): Handle loads with negative steps when easily
> possible.
>
> testsuite/
> PR tree-optimization/43432
> * lib/target-supports.exp (check_effective_target_vect_perm_byte,
> check_effective_target_vect_perm_short): New predicates.
> (check_effective_target_vect_perm): Include x86_64.
> * gcc.dg/vect/pr43432.c: New test.
> * gcc.dg/vect/vect-114.c: Adjust.
> * gcc.dg/vect/vect-15.c: Ditto.
> * gcc.dg/vect/slp-perm-8.c: Use new predicate.
> * gcc.dg/vect/slp-perm-9.c: Ditto.
>
> Added:
> trunk/gcc/testsuite/gcc.dg/vect/pr43432.c
> Modified:
> trunk/gcc/ChangeLog
> trunk/gcc/testsuite/ChangeLog
> trunk/gcc/testsuite/gcc.dg/vect/slp-perm-8.c
> trunk/gcc/testsuite/gcc.dg/vect/slp-perm-9.c
> trunk/gcc/testsuite/gcc.dg/vect/vect-114.c
> trunk/gcc/testsuite/gcc.dg/vect/vect-15.c
> trunk/gcc/testsuite/lib/target-supports.exp
> trunk/gcc/tree-vect-data-refs.c
> trunk/gcc/tree-vect-stmts.c
Did this fix it?
