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Re: [PATCH] Fix gcc.dg/vect/no-section-anchors-vect-64.c (PR testsuite/45429)
- From: Richard Guenther <richard dot guenther at gmail dot com>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Wed, 17 Nov 2010 12:20:29 +0100
- Subject: Re: [PATCH] Fix gcc.dg/vect/no-section-anchors-vect-64.c (PR testsuite/45429)
- References: <20101117110320.GQ29412@tyan-ft48-01.lab.bos.redhat.com>
On Wed, Nov 17, 2010 at 12:03 PM, Jakub Jelinek <jakub@redhat.com> wrote:
> Hi!
>
> This testcase expects peeling to be done in 2 loops to ensure proper
> alignment. ?As ia64 uses vectorization factor 2, the earlier change
> from
> int id[N][N][N];
> to
> int id[N][N][N+1];
> made the 3rd loop:
> ?/* Multidimensional array. Not aligned: vectorizable. */
> ?for (i = 0; i < N; i++)
> ? ?{
> ? ? ?for (j = 0; j < N; j++)
> ? ? ? ?{
> ? ? ? ? ? id[i][1][j+1] = ib[i];
> ? ? ? ?}
> ? ?}
> actually sufficiently aligned on ia64.
> This patch changes it so that it is not aligned anywhere.
>
> Ok for trunk?
Ok.
Thanks,
Richard.
> 2010-11-17 ?Jakub Jelinek ?<jakub@redhat.com>
>
> ? ? ? ?PR testsuite/45429
> ? ? ? ?* gcc.dg/vect/no-section-anchors-vect-64.c: New test.
>
> --- gcc/testsuite/gcc.dg/vect/no-section-anchors-vect-64.c.jj ? 2010-11-17 11:18:22.000000000 +0100
> +++ gcc/testsuite/gcc.dg/vect/no-section-anchors-vect-64.c ? ? ?2010-11-17 11:17:39.000000000 +0100
> @@ -8,7 +8,7 @@
> ?int ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
> ?int ia[N][4][N+1];
> ?int ic[N][N][3][N+1];
> -int id[N][N][N+1];
> +int id[N][N][N+4];
>
> ?__attribute__ ((noinline))
> ?int main1 ()
>
> ? ? ? ?Jakub
>