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//===----------------------------------------------------------------------===//
//
// 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>
//
// // stores [simd.store]
// template <class U, class Flags> void copy_to(U* mem, Flags f) const;
#include <experimental/simd>
#include <cstdint>
#include "test_macros.h"
namespace ex = std::experimental::parallelism_v2;
template <typename SimdType>
void test_store() {
SimdType a([](int i) { return 4 - i; });
{
alignas(32) int32_t buffer[4] = {0};
a.copy_to(buffer, ex::element_aligned_tag());
assert(buffer[0] == 4);
assert(buffer[1] == 3);
assert(buffer[2] == 2);
assert(buffer[3] == 1);
}
{
alignas(32) int32_t buffer[4] = {0};
a.copy_to(buffer, ex::vector_aligned_tag());
assert(buffer[0] == 4);
assert(buffer[1] == 3);
assert(buffer[2] == 2);
assert(buffer[3] == 1);
}
{
alignas(32) int32_t buffer[4] = {0};
a.copy_to(buffer, ex::overaligned_tag<32>());
assert(buffer[0] == 4);
assert(buffer[1] == 3);
assert(buffer[2] == 2);
assert(buffer[3] == 1);
}
{
alignas(32) int32_t buffer[4] = {0};
a.copy_to(buffer, ex::element_aligned);
assert(buffer[0] == 4);
assert(buffer[1] == 3);
assert(buffer[2] == 2);
assert(buffer[3] == 1);
}
{
alignas(32) int32_t buffer[4] = {0};
a.copy_to(buffer, ex::vector_aligned);
assert(buffer[0] == 4);
assert(buffer[1] == 3);
assert(buffer[2] == 2);
assert(buffer[3] == 1);
}
{
alignas(32) int32_t buffer[4] = {0};
a.copy_to(buffer, ex::overaligned<32>);
assert(buffer[0] == 4);
assert(buffer[1] == 3);
assert(buffer[2] == 2);
assert(buffer[3] == 1);
}
}
template <typename SimdType>
void test_converting_store() {
float buffer[4] = {0.};
SimdType a([](int i) { return 1 << i; });
a.copy_to(buffer, ex::element_aligned_tag());
assert(buffer[0] == 1.);
assert(buffer[1] == 2.);
assert(buffer[2] == 4.);
assert(buffer[3] == 8.);
}
int main() {
// TODO: adjust the tests when this assertion fails.
test_store<ex::native_simd<int32_t>>();
test_store<ex::fixed_size_simd<int32_t, 4>>();
test_converting_store<ex::native_simd<int32_t>>();
test_converting_store<ex::fixed_size_simd<int32_t, 4>>();
}
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