test/std/experimental/simd/simd.abi/vector_extension.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 // UNSUPPORTED: c++98, c++03, c++11, c++14
  11
  12 // <experimental/simd>
  13 //
  14 // [simd.abi]
  15
  16 #include <experimental/simd>
  17 #include <cstdint>
  18
  19 namespace ex = std::experimental::parallelism_v2;
  20
  21 constexpr inline int reg_width() {
  22 #if defined(__AVX__)
  23   return 32;
  24 #else
  25   return 16;
  26 #endif
  27 }
  28
  29 #ifndef _LIBCPP_HAS_NO_VECTOR_EXTENSION
  30
  31 static_assert(
  32     sizeof(ex::simd<char, ex::__simd_abi<ex::_StorageKind::_VecExt, 1>>) == 1,
  33     "");
  34 static_assert(
  35     sizeof(ex::simd<char, ex::__simd_abi<ex::_StorageKind::_VecExt, 2>>) == 2,
  36     "");
  37 static_assert(
  38     sizeof(ex::simd<char, ex::__simd_abi<ex::_StorageKind::_VecExt, 3>>) == 4,
  39     "");
  40 static_assert(
  41     sizeof(ex::simd<char, ex::__simd_abi<ex::_StorageKind::_VecExt, 12>>) == 16,
  42     "");
  43 static_assert(
  44     sizeof(ex::simd<int32_t, ex::__simd_abi<ex::_StorageKind::_VecExt, 3>>) ==
  45         16,
  46     "");
  47 static_assert(
  48     sizeof(ex::simd<int32_t, ex::__simd_abi<ex::_StorageKind::_VecExt, 5>>) ==
  49         32,
  50     "");
  51 static_assert(
  52     std::is_same<ex::simd_abi::native<int8_t>,
  53                  ex::__simd_abi<ex::_StorageKind::_VecExt, reg_width()>>::value,
  54     "");
  55 #else
  56 static_assert(
  57     std::is_same<ex::simd_abi::native<int8_t>,
  58                  ex::__simd_abi<ex::_StorageKind::_Array, reg_width()>>::value,
  59     "");
  60
  61 #endif
  62
  63 static_assert(std::is_same<ex::simd_abi::compatible<int8_t>,
  64                            ex::__simd_abi<ex::_StorageKind::_Array, 16>>::value,
  65               "");
  66
  67 int main() {}