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Re: [patch] Fix PR tree-optimization/45902 on 4.5


On Mon, Nov 1, 2010 at 9:16 AM, Ira Rosen <IRAR@il.ibm.com> wrote:
>
> Hi,
>
> This patch fixes pr45902 on 4.5 similar to
> http://gcc.gnu.org/ml/gcc-patches/2010-10/msg01820.html.
>
> Bootstrapped and tested on powerpc64-suse-linux.
> OK for 4.5?

Ok.

Thanks
RIchard.

> Thanks,
> Ira
>
> ChangeLog:
>
> ? ? ? ?PR tree-optimization/45902
> ? ? ? ?* tree-vectorizer.h (enum stmt_vec_info_type): Add new value for
> ? ? ? ?shift.
> ? ? ? ?(vect_get_slp_defs): Add arguments.
> ? ? ? ?* tree-vect-stmts.c (cost_for_stmt): Handle shifts.
> ? ? ? ?(vect_get_vec_def_for_operand): Use operand's
> ? ? ? ?type to determine number of units in the created vector.
> ? ? ? ?(vect_get_vec_defs): Pass scalar operands to vect_get_slp_defs.
> ? ? ? ?(vectorizable_shift): New function.
> ? ? ? ?(vectorizable_operation): Move code that handles shifts to
> ? ? ? ?vectorizable_shift.
> ? ? ? ?(vectorizable_type_demotion): Pass scalar operands to
> ? ? ? ?vect_get_slp_defs.
> ? ? ? ?(vectorizable_type_promotion, vectorizable_store): Likewise.
> ? ? ? ?(vect_analyze_stmt): Call vectorizable_shift.
> ? ? ? ?(vect_transform_stmt): Likewise.
> ? ? ? ?* tree-vect-slp.c (vect_get_constant_vectors): Add new argument.
> ? ? ? ?Use it as the operand to create vectors except for stores.
> ? ? ? ?(vect_get_slp_defs): Add new arguments. Pass them to
> ? ? ? ?vect_get_constant_vectors.
>
> testsuite/ChangeLog:
>
> ? ? ? ?PR tree-optimization/45902
> ? ? ? ?* gcc.dg/vect/pr45902.c: New.
>
> (See attached file: patch.txt)


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