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From: "aoliva at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/114803] simd conversion to [[gnu::vector_size(N)]]
 type hits invalid code in experimental/bits/simd_builtin.h
Date: Thu, 30 May 2024 08:14:17 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114803

Alexandre Oliva <aoliva at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |aoliva at gcc dot gnu.org

--- Comment #7 from Alexandre Oliva <aoliva at gcc dot gnu.org> ---
FWIW, since the backport, this test started failing in gcc-13 on arm and
aarch64 targets.  Presumably this affects earlier branches as well.

.../libstdc++-v3/testsuite/experimental/simd/pr114803_vecbuiltin_cvt.cc: In
instantiation of 'void maybe_test() [with T =3D char]':
.../libstdc++-v3/testsuite/experimental/simd/pr114803_vecbuiltin_cvt.cc:87:=
=20=20
required from here
.../libstdc++-v3/testsuite/experimental/simd/pr114803_vecbuiltin_cvt.cc:68:
error: invalid 'static_cast' from type 'V' {aka
'std::experimental::parallelism_v2::simd<char,
std::experimental::parallelism_v2::simd_abi::_VecBuiltin<16> >'} to type
'uint8x16_t'=