On Thu, Jan 30, 2025 at 8:49 PM Alexandre Oliva <ol...@adacore.com> wrote:
>
>
> The test expects transformations that depend on -Ofast on x86*, but
> that option is only passed when the avx_runtime is available.
>
> Split -Ofast out of the avx conditional, so that it is passed on the
> same targets that expect the transformation.
It effectively would require -Ofast on all targets (it's vectorizing a
FP reduction),
so I'd say -Ofast should not depend on x86 only.
> Regstrapped on x86_64-linux-gnu, also tested with gcc-14 targeting
> x86_64-elf. Ok to install?
>
>
> for gcc/testsuite/ChangeLog
>
> * gcc.dg/vect/vect-ifcvt-18.c: Split -Ofast out of
> avx_runtime.
> ---
> gcc/testsuite/gcc.dg/vect/vect-ifcvt-18.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/gcc/testsuite/gcc.dg/vect/vect-ifcvt-18.c
> b/gcc/testsuite/gcc.dg/vect/vect-ifcvt-18.c
> index c1d3c27d81933..228011ae07bce 100644
> --- a/gcc/testsuite/gcc.dg/vect/vect-ifcvt-18.c
> +++ b/gcc/testsuite/gcc.dg/vect/vect-ifcvt-18.c
> @@ -1,6 +1,7 @@
> /* { dg-require-effective-target vect_condition } */
> /* { dg-require-effective-target vect_float } */
> -/* { dg-additional-options "-Ofast -mavx" { target avx_runtime } } */
> +/* { dg-additional-options "-Ofast" { target i?86-*-* x86_64-*-* } } */
> +/* { dg-additional-options "-mavx" { target avx_runtime } } */
>
>
> int A0[4] = {36,39,42,45};
>
> --
> Alexandre Oliva, happy hacker https://FSFLA.org/blogs/lxo/
> Free Software Activist GNU Toolchain Engineer
> More tolerance and less prejudice are key for inclusion and diversity
> Excluding neuro-others for not behaving ""normal"" is *not* inclusive
