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Diffstat (limited to 'test/std/experimental/simd/simd.cons/load.pass.cpp')
-rw-r--r-- | test/std/experimental/simd/simd.cons/load.pass.cpp | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/test/std/experimental/simd/simd.cons/load.pass.cpp b/test/std/experimental/simd/simd.cons/load.pass.cpp new file mode 100644 index 000000000000..8c87fe7a5554 --- /dev/null +++ b/test/std/experimental/simd/simd.cons/load.pass.cpp @@ -0,0 +1,118 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// UNSUPPORTED: c++98, c++03, c++11, c++14 + +// <experimental/simd> +// +// [simd.class] +// template <class U, class Flags> simd(const U* mem, Flags f); + +#include <cstdint> +#include <experimental/simd> + +#include "test_macros.h" + +namespace ex = std::experimental::parallelism_v2; + +template <class T, class... Args> +auto not_supported_native_simd_ctor(Args&&... args) + -> decltype(ex::native_simd<T>(std::forward<Args>(args)...), + void()) = delete; + +template <class T> +void not_supported_native_simd_ctor(...) {} + +template <class T, class... Args> +auto supported_native_simd_ctor(Args&&... args) + -> decltype(ex::native_simd<T>(std::forward<Args>(args)...), void()) {} + +template <class T> +void supported_native_simd_ctor(...) = delete; + +void compile_load_ctor() { + supported_native_simd_ctor<int>((int*)nullptr, ex::element_aligned_tag()); + supported_native_simd_ctor<uint32_t>((int*)nullptr, + ex::element_aligned_tag()); + supported_native_simd_ctor<double>((float*)nullptr, + ex::element_aligned_tag()); + supported_native_simd_ctor<uint16_t>((unsigned int*)nullptr, + ex::element_aligned_tag()); + supported_native_simd_ctor<uint32_t>((float*)nullptr, + ex::element_aligned_tag()); + + not_supported_native_simd_ctor<int>((int*)nullptr, int()); +} + +template <typename SimdType> +void test_load_ctor() { + alignas(32) int32_t buffer[] = {4, 3, 2, 1}; + { + SimdType a(buffer, ex::element_aligned_tag()); + assert(a[0] == 4); + assert(a[1] == 3); + assert(a[2] == 2); + assert(a[3] == 1); + } + { + SimdType a(buffer, ex::vector_aligned_tag()); + assert(a[0] == 4); + assert(a[1] == 3); + assert(a[2] == 2); + assert(a[3] == 1); + } + { + SimdType a(buffer, ex::overaligned_tag<32>()); + assert(a[0] == 4); + assert(a[1] == 3); + assert(a[2] == 2); + assert(a[3] == 1); + } + + { + SimdType a(buffer, ex::element_aligned); + assert(a[0] == 4); + assert(a[1] == 3); + assert(a[2] == 2); + assert(a[3] == 1); + } + { + SimdType a(buffer, ex::vector_aligned); + assert(a[0] == 4); + assert(a[1] == 3); + assert(a[2] == 2); + assert(a[3] == 1); + } + { + SimdType a(buffer, ex::overaligned<32>); + assert(a[0] == 4); + assert(a[1] == 3); + assert(a[2] == 2); + assert(a[3] == 1); + } +} + +template <typename SimdType> +void test_converting_load_ctor() { + float buffer[] = {1., 2., 4., 8.}; + SimdType a(buffer, ex::element_aligned_tag()); + assert(a[0] == 1); + assert(a[1] == 2); + assert(a[2] == 4); + assert(a[3] == 8); +} + +int main() { + // TODO: adjust the tests when this assertion fails. + assert(ex::native_simd<int32_t>::size() >= 4); + test_load_ctor<ex::native_simd<int32_t>>(); + test_load_ctor<ex::fixed_size_simd<int32_t, 4>>(); + test_converting_load_ctor<ex::native_simd<int32_t>>(); + test_converting_load_ctor<ex::fixed_size_simd<int32_t, 4>>(); +} |