[PATCH 4/7] libstdc++: Use a PCH to speed up check-simd

[Jonathan Wakely]

On Wed, 15 Feb 2023 at 20:54, Matthias Kretz via Libstdc++
<libstdc++@gcc.gnu.org> wrote:
>
>
> Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
>
> libstdc++-v3/ChangeLog:
>
>         * testsuite/experimental/simd/generate_makefile.sh: Generate and
>         pre-compile pch.h, which includes all headers that do not depend
>         on command-line macros.
>         * testsuite/experimental/simd/tests/bits/conversions.h: Add
>         include guard.
>         (genHalfBits): Simplify.
>         * testsuite/experimental/simd/tests/bits/make_vec.h: Add include
>         guard.
>         (make_alternating_mask): Moved from mask_loadstore.
>         * testsuite/experimental/simd/tests/bits/mathreference.h: Add
>         include guard.
>         * testsuite/experimental/simd/tests/bits/test_values.h: Ditto.
>         * testsuite/experimental/simd/tests/mask_loadstore.cc
>         (make_mask, make_alternating_mask): Removed.
>         * testsuite/experimental/simd/tests/mask_reductions.cc: Ditto.
>         * testsuite/experimental/simd/tests/operators.cc (genHalfBits):
>         Removed.
>         * testsuite/experimental/simd/tests/abs.cc: Only include
>         bits/main.h.
>         * testsuite/experimental/simd/tests/algorithms.cc: Ditto.
>         * testsuite/experimental/simd/tests/broadcast.cc: Ditto.
>         * testsuite/experimental/simd/tests/casts.cc: Ditto.
>         * testsuite/experimental/simd/tests/fpclassify.cc: Ditto.
>         * testsuite/experimental/simd/tests/frexp.cc: Ditto.
>         * testsuite/experimental/simd/tests/generator.cc: Ditto.
>         * testsuite/experimental/simd/tests/hypot3_fma.cc: Ditto.
>         * testsuite/experimental/simd/tests/integer_operators.cc: Ditto.
>         * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
>         Ditto.
>         * testsuite/experimental/simd/tests/loadstore.cc: Ditto.
>         * testsuite/experimental/simd/tests/logarithm.cc: Ditto.
>         * testsuite/experimental/simd/tests/mask_broadcast.cc: Ditto.
>         * testsuite/experimental/simd/tests/mask_implicit_cvt.cc: Ditto.
>         * testsuite/experimental/simd/tests/mask_operator_cvt.cc: Ditto.
>         * testsuite/experimental/simd/tests/mask_operators.cc: Ditto.
>         * testsuite/experimental/simd/tests/math_1arg.cc: Ditto.
>         * testsuite/experimental/simd/tests/math_2arg.cc: Ditto.
>         * testsuite/experimental/simd/tests/operator_cvt.cc: Ditto.
>         * testsuite/experimental/simd/tests/reductions.cc: Ditto.
>         * testsuite/experimental/simd/tests/remqo.cc: Ditto.
>         * testsuite/experimental/simd/tests/sincos.cc: Ditto.
>         * testsuite/experimental/simd/tests/split_concat.cc: Ditto.
>         * testsuite/experimental/simd/tests/trigonometric.cc: Ditto.
>         * testsuite/experimental/simd/tests/trunc_ceil_floor.cc: Ditto.
>         * testsuite/experimental/simd/tests/where.cc: Ditto.

OK for trunk (for now, probably fine to backport at some point too).