This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [patch, vectorizer] misaligned store support


On Fri, Jun 5, 2009 at 4:25 PM, Revital1 Eres<ERES@il.ibm.com> wrote:
>
> Hello,
>
> This is an old patch written by Leehod Baruch which extends the vectorizer
> to support misaligned stores.
> It was previously posted to the mailing list ?by Dorit in the following
> mail-
> http://gcc.gnu.org/ml/gcc-patches/2007-01/msg00604.html
> (This posting also contains detailed explanation on the patch)
>
> Bootstrapped with vectorization enabled on powerpc64 and
> regtested on x86_64.
>
> OK for mainline?

Ok.

Thanks,
Richard.

> Thanks,
> Revital
>
> Changelog:
>
> ? ? ? ?* expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
> ? ? ? ?(expand_expr_real_1): Remove comment.
> ? ? ? ?* tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
> ? ? ? ?Vectorize misaligned access when the target supports it.
> ? ? ? ?(vect_supportable_dr_alignment): Check for unaligned access
> support.
> ? ? ? ?* tree-vect-stmts.c (vectorizable_store): Generate misaligned store
> ? ? ? ?and remove asset.
>
> testsuite Changelog:
>
> ? ? ? ?* lib/target-supports.exp:
> ? ? ? ?(check_effective_target_vect_hw_misalign): New procedure.
> ? ? ? ?* gcc.dg/vect/vect-50.c: Change checks to use vect_hw_misalign.
> ? ? ? ?* gcc.dg/vect/vect-33.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-92.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-58.c: Likewise.
> ? ? ? ?* gcc.dg/vect/no-section-anchors-vect-69.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-42.c: Likewise.
> ? ? ? ?* gcc.dg/vect/slp-25.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-align-1.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-align-2.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-93.c: Likewise.
> ? ? ? ?* gcc.dg/vect/no-scevccp-outer-8.c: Likewise.
> ? ? ? ?* gcc.dg/vect/costmodel/i386/costmodel-vect-31.c: Likewise.
> ? ? ? ?* gcc.dg/vect/costmodel/i386/costmodel-vect-33.c: Likewise.
> ? ? ? ?* gcc.dg/vect/costmodel/x86_64/costmodel-vect-31.c: Likewise.
> ? ? ? ?* gcc.dg/vect/costmodel/x86_64/costmodel-vect-33.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-26.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-44.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-70.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-95.c: Likewise.
> ? ? ? ?* gcc.dg/vect/no-section-anchors-vect-64.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-28.c: Likewise.
> ? ? ? ?* gcc.dg/vect/no-section-anchors-vect-31.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-87.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-109.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-54.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-96.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-multitypes-1.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-88.c: Likewise.
> ? ? ? ?* gcc.dg/vect/no-section-anchors-vect-66.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-89.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-91.c: Likewise.
> ? ? ? ?* gcc.dg/vect/no-section-anchors-vect-68.c: Likewise.
> ? ? ? ?* gcc.dg/vect/vect-multitypes-4.c: Likewise.
> ? ? ? ?* gfortran.dg/vect/vect-2.f90: Likewise.
> ? ? ? ?* gfortran.dg/vect/vect-3.f90: Likewise.
> ? ? ? ?* gfortran.dg/vect/vect-4.f90: Likewise.
> ? ? ? ?* gfortran.dg/vect/vect-5.f90: Likewise.
>
>
> (See attached file: testsuite_misalign_store_patch_5_6.txt)(See attached
> file: misalign_store_patch_4_6.txt)


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]