[PATCH] libstdc++: Fix test on x86_64 and non-simd targets

[Jonathan Wakely]

On Fri, 21 Jun 2024 at 16:07, Matthias Kretz <m.kretz@gsi.de> wrote:
>
>
> * Running a test compiled with AVX512 instructions requires
> avx512f_runtime not just avx512f.
>
> * The 'reduce2' test violated an invariant of fixed_size_simd_mask and
> thus failed on all targets without 16-Byte vector builtins enabled (in
> bits/simd.h).

OK, thanks for the quick diagnosis and fix.


>
> Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
>
> libstdc++-v3/ChangeLog:
>
>         PR libstdc++/115575
>         * testsuite/experimental/simd/pr115454_find_last_set.cc: Require
>         avx512f_runtime. Don't memcpy fixed_size masks.
> ---
>  .../testsuite/experimental/simd/pr115454_find_last_set.cc   | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
>
> --
> ──────────────────────────────────────────────────────────────────────────
>  Dr. Matthias Kretz                           https://mattkretz.github.io
>  GSI Helmholtz Centre for Heavy Ion Research               https://gsi.de
>  stdₓ::simd
> ──────────────────────────────────────────────────────────────────────────