Re: [PATCH] testsuite/vect: Make check more accurate.

[Richard Biener <richard.guenther@gmail.com>]

On Tue, Nov 7, 2023 at 9:22 AM Robin Dapp <rdapp.gcc@gmail.com> wrote:
>
> Hi,
>
> similar to before this modifies a check so we do only match a
> vectorization attempt if it succeeded.  On riscv we potentially try
> several modes of which some may fail.

OK.

> I tested on riscv, aarch64 and x86 but on the cfarm machines
> there is no vect_fold_extract_last.  Maybe gcn would work?
>
> Regards
>  Robin
>
> gcc/testsuite/ChangeLog:
>
>         * gcc.dg/vect/vect-cond-reduc-4.c: Make check more accurate.
> ---
>  gcc/testsuite/gcc.dg/vect/vect-cond-reduc-4.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/gcc/testsuite/gcc.dg/vect/vect-cond-reduc-4.c b/gcc/testsuite/gcc.dg/vect/vect-cond-reduc-4.c
> index 8ea8c538713..c5aa989ec29 100644
> --- a/gcc/testsuite/gcc.dg/vect/vect-cond-reduc-4.c
> +++ b/gcc/testsuite/gcc.dg/vect/vect-cond-reduc-4.c
> @@ -42,7 +42,7 @@ main (void)
>  }
>
>  /* { dg-final { scan-tree-dump-times "LOOP VECTORIZED" 2 "vect" } } */
> -/* { dg-final { scan-tree-dump-times "optimizing condition reduction with FOLD_EXTRACT_LAST" 2 "vect" { target { vect_fold_extract_last && vect_pack_trunc } } } } */
> +/* { dg-final { scan-tree-dump-times "optimizing condition reduction with FOLD_EXTRACT_LAST(?:(?!failed)(?!Re-trying).)*succeeded" 2 "vect" { target { vect_fold_extract_last && vect_pack_trunc } } } } */
>  /* { dg-final { scan-tree-dump-times "optimizing condition reduction with FOLD_EXTRACT_LAST" 4 "vect" { target { { vect_fold_extract_last } && { ! vect_pack_trunc } } } } } */
>  /* { dg-final { scan-tree-dump-times "condition expression based on integer induction." 2 "vect" { target { ! vect_fold_extract_last } } } } */
>
> --
> 2.41.0
>