On Mon, May 8, 2017 at 2:41 PM, Wilco Dijkstra <wilco.dijks...@arm.com> wrote:
> This fixes a few failures on ARM and AArch64 due to a recent change in
> alignment peeling by switching the vector cost model off
> (https://gcc.gnu.org/ml/gcc-patches/2017-05/msg00407.html).
>
> Tested on AArch64, ARM and x64 - committed as obvious.
Thanks. Note that I'm not sure what -fno-vect-cost-model actually means when
peeling for alignment, so this fix might not "prevail".
Richard.
> ChangeLog:
> 2017-05-08 Wilco Dijkstra <wdijk...@arm.com>
>
> * testsuite/gcc.dg/vect/vect-44.c: Add -fno-vect-cost-model.
> * gcc/testsuite/gcc.dg/vect/vect-50.c: Likewise.
> --
>
> diff --git a/gcc/testsuite/gcc.dg/vect/vect-44.c
> b/gcc/testsuite/gcc.dg/vect/vect-44.c
> index
> 186f9cfc9e26d6eb53514dec0fac176d696ec578..fbc593572429422c8e527c5e5559c515efd38aa6
> 100644
> --- a/gcc/testsuite/gcc.dg/vect/vect-44.c
> +++ b/gcc/testsuite/gcc.dg/vect/vect-44.c
> @@ -1,4 +1,5 @@
> /* { dg-require-effective-target vect_float } */
> +/* { dg-options "-fno-vect-cost-model" } */
>
> #include <stdarg.h>
> #include "tree-vect.h"
> diff --git a/gcc/testsuite/gcc.dg/vect/vect-50.c
> b/gcc/testsuite/gcc.dg/vect/vect-50.c
> index
> 78bfd8d3920445fe51c7393a82870ea85f62bb55..0d5febc165ee3bf3b7b595237168d9d4b9604d4b
> 100644
> --- a/gcc/testsuite/gcc.dg/vect/vect-50.c
> +++ b/gcc/testsuite/gcc.dg/vect/vect-50.c
> @@ -1,4 +1,5 @@
> /* { dg-require-effective-target vect_float } */
> +/* { dg-options "-fno-vect-cost-model" } */
>
> #include <stdarg.h>
> #include "tree-vect.h"
