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154f393a5c
...with proper guarding #ifdefs for unsupported C++11. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@338318 91177308-0d34-0410-b5e6-96231b3b80d8
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11, c++14
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// <experimental/simd>
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//
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// [simd.abi]
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#include <experimental/simd>
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#include <cstdint>
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namespace ex = std::experimental::parallelism_v2;
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constexpr inline int reg_width() {
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#if defined(__AVX__)
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return 32;
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#else
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return 16;
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#endif
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}
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#ifndef _LIBCPP_HAS_NO_VECTOR_EXTENSION
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static_assert(
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sizeof(ex::simd<char, ex::__simd_abi<ex::_StorageKind::_VecExt, 1>>) == 1,
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"");
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static_assert(
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sizeof(ex::simd<char, ex::__simd_abi<ex::_StorageKind::_VecExt, 2>>) == 2,
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"");
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static_assert(
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sizeof(ex::simd<char, ex::__simd_abi<ex::_StorageKind::_VecExt, 3>>) == 4,
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"");
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static_assert(
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sizeof(ex::simd<char, ex::__simd_abi<ex::_StorageKind::_VecExt, 12>>) == 16,
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"");
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static_assert(
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sizeof(ex::simd<int32_t, ex::__simd_abi<ex::_StorageKind::_VecExt, 3>>) ==
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16,
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"");
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static_assert(
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sizeof(ex::simd<int32_t, ex::__simd_abi<ex::_StorageKind::_VecExt, 5>>) ==
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32,
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"");
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static_assert(
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std::is_same<ex::simd_abi::native<int8_t>,
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ex::__simd_abi<ex::_StorageKind::_VecExt, reg_width()>>::value,
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"");
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#else
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static_assert(
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std::is_same<ex::simd_abi::native<int8_t>,
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ex::__simd_abi<ex::_StorageKind::_Array, reg_width()>>::value,
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"");
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#endif
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static_assert(std::is_same<ex::simd_abi::compatible<int8_t>,
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ex::__simd_abi<ex::_StorageKind::_Array, 16>>::value,
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"");
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int main() {}
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