blob: 49b2b557284225d6eb1e3ecfb8358ef6377360d2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
//===----------------------------------------------------------------------===//
//
// 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
// See GCC PR63723.
// UNSUPPORTED: gcc-4.9
// <experimental/simd>
//
// [simd.class]
// template <class U> simd(U&& value);
#include <cstdint>
#include <experimental/simd>
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_narrowing_conversion() {
supported_native_simd_ctor<int8_t>(3);
supported_native_simd_ctor<int16_t>(3);
supported_native_simd_ctor<int32_t>(3);
supported_native_simd_ctor<int64_t>(3);
supported_native_simd_ctor<uint8_t>(3);
supported_native_simd_ctor<uint16_t>(3);
supported_native_simd_ctor<uint32_t>(3);
supported_native_simd_ctor<uint64_t>(3);
supported_native_simd_ctor<float>(3.f);
supported_native_simd_ctor<double>(3.);
supported_native_simd_ctor<long double>(3.);
not_supported_native_simd_ctor<float>(3.);
not_supported_native_simd_ctor<int8_t>(long(3));
not_supported_native_simd_ctor<float>(long(3));
not_supported_native_simd_ctor<int>(3.);
}
void compile_convertible() {
struct ConvertibleToInt {
operator int64_t() const;
};
supported_native_simd_ctor<int64_t>(ConvertibleToInt());
struct NotConvertibleToInt {};
not_supported_native_simd_ctor<int64_t>(NotConvertibleToInt());
}
void compile_unsigned() {
not_supported_native_simd_ctor<int>(3u);
supported_native_simd_ctor<uint16_t>(3u);
}
template <typename SimdType>
void test_broadcast() {
SimdType a(3);
for (size_t i = 0; i < a.size(); i++) {
assert(a[i] == 3);
}
}
int main() {
test_broadcast<ex::native_simd<int>>();
test_broadcast<ex::fixed_size_simd<int, 4>>();
test_broadcast<ex::fixed_size_simd<int, 15>>();
}
|
