building error and warning

[yaozhongxiao]

version / revision	Operating System	Compiler & Version	Compiler Flags	CPU
std_simd::master	Linux	gcc (GCC) 11.0.0 20210119 (experimental)	make test	x86_64

Testcase

ninja/make build_tests

Actual Results

building pass without error

Expected Results

1. building warning from _MaskImplBuiltin::_S_set

$workspace/cpp_libs/std-simd/tests/mask.cpp:124:4:   required from ‘static void Tests::operators_<M>::run() [with M = ⠶simd_mask<char, ⠶simd_abi::_VecBuiltin<32> >]’
$workspace/cpp_libs/std-simd/tests/virtest/vir/test.h:1015:33:   required from ‘int vir::test::detail::addTestInstantiations(const char*, vir::Typelist<Bs ...>) [with 
TestWrapper = Tests::operators_; Ts = {⠶simd_mask<long long int, ⠶simd_abi::_Scalar>, ⠶simd_mask<long long int, ⠶simd_abi::_VecBuiltin<16> >, ⠶simd_mask<long long int, 
⠶simd_abi::_VecBuiltin<24> >, ⠶simd_mask<long long int, ⠶simd_abi::_VecBuiltin<32> >, ⠶simd_mask<long int, ⠶simd_abi::_Scalar>, ⠶simd_mask<long int, ⠶simd_abi::_VecBuiltin<16> >, 
⠶simd_mask<long int, ⠶simd_abi::_VecBuiltin<24> >, ⠶simd_mask<long int, ⠶simd_abi::_VecBuiltin<32> >, ⠶simd_mask<long long unsigned int, ⠶simd_abi::_Scalar>, ⠶simd_mask<long long unsigned int, 
⠶simd_abi::_VecBuiltin<16> >, ⠶simd_mask<long long unsigned int, ⠶simd_abi::_VecBuiltin<24> >, ⠶simd_mask<long long unsigned int, ⠶simd_abi::_VecBuiltin<32> >, ⠶simd_mask<long unsigned int, 
⠶simd_abi::_Scalar>, ⠶simd_mask<long unsigned int, ⠶simd_abi::_VecBuiltin<16> >, ⠶simd_mask<long unsigned int, ⠶simd_abi::_VecBuiltin<24> >, ⠶simd_mask<long unsigned int, 
⠶simd_abi::_VecBuiltin<32> >, ⠶simd_mask<char, ⠶simd_abi::_Scalar>, ⠶simd_mask<char, ⠶simd_abi::_VecBuiltin<8> >, ⠶simd_mask<char, ⠶simd_abi::_VecBuiltin<16> >, ⠶simd_mask<char, 
⠶simd_abi::_VecBuiltin<24> >, ⠶simd_mask<char, ⠶simd_abi::_VecBuiltin<32> >, ⠶simd_mask<wchar_t, ⠶simd_abi::_Scalar>, ⠶simd_mask<wchar_t, ⠶simd_abi::_VecBuiltin<8> >, ⠶simd_mask<wchar_t, 
⠶simd_abi::_VecBuiltin<16> >, ⠶simd_mask<wchar_t, ⠶simd_abi::_VecBuiltin<24> >, ⠶simd_mask<wchar_t, ⠶simd_abi::_VecBuiltin<32> >}]’
$workspace/cpp_libs/std-simd/tests/mask.cpp:108:1:   required from here
$workspace/cpp_libs/std-simd/tests/../experimental/bits/simd_builtin.h:2853:29: warning: comparison of integer expressions of different signedness: ‘int’ and 
‘⠶integral_constant<long unsigned int, 31>::value_type’ {aka ‘long unsigned int’} [-Wsign-compare]

2. building error from _SimdImplBuiltin::_S_isfinite
   if we use the _SimdImplBuiltin::_S_isfinite directly, there is an building error from _S_isfinite

#workspace/cpp_libs/std-simd/tests/../experimental/bits/simd_builtin.h:2287:33: error: could not convert ‘((((__vector(16) int)__absn) <= ((__vector(16) int)__maxn)) ? (__vector(16) int){-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1} : (__vector(16) int){0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0})’ from ‘__vector(16) int’ to ‘std::experimental::parallelism_v2::_SimdImplBuiltin<std::experimental::parallelism_v2::simd_abi::_VecBltnBtmsk<64> >::_MaskMember<float>’ {aka ‘std::experimental::parallelism_v2::_SimdWrapper<bool, 16, void>’}
 2287 |         return (__absn <= __maxn);
      |                                 ^
      |                                 |
      |                                 __vector(16) int
#workspace/cpp_libs/std-simd/tests/../experimental/bits/simd_builtin.h: In instantiation of ‘static std::experimental::parallelism_v2::_SimdImplBuiltin<_Abi>::_MaskMember<_Tp> std::experimental::parallelism_v2::_SimdImplBuiltin<_Abi>::_S_isfinite(std::experimental::parallelism_v2::_SimdWrapper<_Tp, _Np>) [with _Tp = double; long unsigned int _Np = 8; _Abi = std::experimental::parallelism_v2::simd_abi::_VecBltnBtmsk<64>; std::experimental::parallelism_v2::_SimdImplBuiltin<_Abi>::_MaskMember<_Tp> = std::experimental::parallelism_v2::_SimdWrapper<bool, 8, void>]’:
#workspace/cpp_libs/std-simd/tests/../experimental/bits/simd_x86.h:3012:29:   required from ‘static std::experimental::parallelism_v2::_SimdImplX86<_Abi>::_MaskMember<_Tp> std::experimental::parallelism_v2::_SimdImplX86<_Abi>::_S_isfinite(std::experimental::parallelism_v2::_SimdWrapper<_Tp, _Np>) [with _Tp = double; long unsigned int _Np = 8; _Abi = std::experimental::parallelism_v2::simd_abi::_VecBltnBtmsk<64>; std::experimental::parallelism_v2::_SimdImplX86<_Abi>::_MaskMember<_Tp> = std::experimental::parallelism_v2::_SimdWrapper<bool, 8, void>]’
#workspace/cpp_libs/std-simd/tests/../experimental/bits/simd_math.h:1334:1:   required from ‘std::enable_if_t<is_floating_point_v<_Tp>, _R> std::experimental::parallelism_v2::isfinite(std::experimental::parallelism_v2::simd<_Tp, _Ap>) [with _Tp = double; _Abi = std::experimental::parallelism_v2::simd_abi::_VecBltnBtmsk<64>; <template-parameter-1-3> = {}; _R = std::experimental::parallelism_v2::simd_mask<double, std::experimental::parallelism_v2::simd_abi::_VecBltnBtmsk<64> >; std::enable_if_t<is_floating_point_v<_Tp>, _R> = std::experimental::parallelism_v2::simd_mask<double, std::experimental::parallelism_v2::simd_abi::_VecBltnBtmsk<64> >]’
#workspace/cpp_libs/std-simd/tests/math.cpp:159:2:   required from ‘static void Tests::fpclassify_<V>::run() [with V = std::experimental::parallelism_v2::simd<double, std::experimental::parallelism_v2::simd_abi::_VecBltnBtmsk<64> >]’
#workspace/cpp_libs/std-simd/tests/virtest/vir/test.h:1015:33:   required from ‘int vir::test::detail::addTestInstantiations(const char*, vir::Typelist<Bs ...>) [with TestWrapper = Tests::fpclassify_; Ts = {std::experimental::parallelism_v2::simd<float, std::experimental::parallelism_v2::simd_abi::_VecBltnBtmsk<64> >, std::experimental::parallelism_v2::simd<double, std::experimental::parallelism_v2::simd_abi::_VecBltnBtmsk<64> >}]’
#workspace/cpp_libs/std-simd/tests/math.cpp:125:1:   required from here
#workspace/cpp_libs/std-simd/tests/../experimental/bits/simd_builtin.h:2287:33: error: could not convert ‘((((__vector(8) long int)__absn) <= ((__vector(8) long int)__maxn)) ? (__vector(8) long int){-1, -1, -1, -1, -1, -1, -1, -1} : (__vector(8) long int){0, 0, 0, 0, 0, 0, 0, 0})’ from ‘__vector(8) long int’ to ‘std::experimental::parallelism_v2::_SimdImplBuiltin<std::experimental::parallelism_v2::simd_abi::_VecBltnBtmsk<64> >::_MaskMember<double>’ {aka ‘std::experimental::parallelism_v2::_SimdWrapper<bool, 8, void>’}
ninja: build stopped: subcommand failed.