"Kewen.Lin" <li...@linux.ibm.com> writes:
> Hi,
>
> As PR94023 shows, the expected SLP requires misaligned vector access
> support. This patch is to guard the check under the target condition
> vect_hw_misalign to ensure that.
>
> Verified it on ppc64-redhat-linux (Power7 BE).
>
> Is it ok for trunk, and backport to GCC 9 after some burn-in time?
OK for both, thanks.
Richard
>
>
> BR,
> Kewen
> --------
>
> gcc/testsuite/ChangeLog
>
> 2020-03-04 Kewen Lin <li...@gcc.gnu.org>
>
> PR testsuite/94023
> * gcc.dg/vect/slp-perm-12.c: Expect loop vectorized messages only on
> vect_hw_misalign targets.
>
>
> diff --git a/gcc/testsuite/gcc.dg/vect/slp-perm-12.c
> b/gcc/testsuite/gcc.dg/vect/slp-perm-12.c
> index 4d4c534..113223a 100644
> --- a/gcc/testsuite/gcc.dg/vect/slp-perm-12.c
> +++ b/gcc/testsuite/gcc.dg/vect/slp-perm-12.c
> @@ -49,4 +49,4 @@ int main()
> return 0;
> }
>
> -/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect"
> { target vect_perm } } } */
> +/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect"
> { target { vect_perm && vect_hw_misalign } } } } */
