https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110050
Bug ID: 110050
Summary: experimental/simd/pr109822_cast_functions.cc fails on
arm after g:668d43502f465d48adbc1fe2956b979f36657e5f
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: clyon at gcc dot gnu.org
Target Milestone: ---
After commit g:668d43502f465d48adbc1fe2956b979f36657e5f, I've noticed that
experimental/simd/pr109822_cast_functions.cc is now failing on arm targets:
FAIL: experimental/simd/pr109822_cast_functions.cc -ffast-math -O2 -Wno-psabi
(test for excess errors)
Excess errors:
/libstdc++-v3/include/experimental/bits/simd.h:2418: error: static assertion
failed: should use explicit specialization above
/libstdc++-v3/include/experimental/bits/simd.h:2421: error: invalid use of
incomplete type 'struct
std::experimental::parallelism_v2::__intrinsic_type<long double, 16, void>'
/libstdc++-v3/include/experimental/bits/simd_builtin.h:827: error: invalid
application of '__alignof__' to incomplete type
'std::experimental::parallelism_v2::_GnuTraits<long double, long long int,
std::experimental::parallelism_v2::simd_abi::_VecBuiltin<16>, 2>::_SimdMember'
{aka 'std::experimental::parallelism_v2::_SimdWrapper<long double, 2, void>'}
/libstdc++-v3/include/experimental/bits/simd.h:5492: error: requested alignment
is not an integer constant
/libstdc++-v3/include/experimental/bits/simd.h:5492: error:
'std::experimental::parallelism_v2::simd<_Tp, _Abi>::_M_data' has incomplete
type
/libstdc++-v3/include/experimental/bits/simd.h:4529: [ skipping 2
instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
[...]
I noticed this on trunk, I didn't check all the releases branches, but I
noticed that this commit was backported to gcc 11, 12 and 13.
