| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // 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 <experimental/simd> |
| #include <cstdint> |
| #include <cassert> |
| |
| #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(int, char**) { |
| // 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>>(); |
| |
| return 0; |
| } |