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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
//===----------------------------------------------------------------------===//
//
// 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++03, c++11, c++14
// <experimental/simd>
//
// [simd.mask.class]
// simd_mask() noexcept = default;
#include "../test_utils.h"
#include <experimental/simd>
namespace ex = std::experimental::parallelism_v2;
// See https://www.open-std.org/jtc1/sc22/WG21/docs/papers/2019/n4808.pdf
// Default initialization performs no initialization of the elements; value-initialization initializes each element with T().
// Thus, default initialization leaves the elements in an indeterminate state.
template <class T, std::size_t>
struct CheckSimdMaskDefaultCtor {
template <class SimdAbi>
void operator()() {
ex::simd_mask<T, SimdAbi> pure_mask;
// trash value in default ctor
static_assert(pure_mask.size() > 0);
}
};
template <class T, std::size_t>
struct CheckSimdMaskDefaultCopyCtor {
template <class SimdAbi>
void operator()() {
ex::simd_mask<T, SimdAbi> pure_mask;
constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>;
std::array<bool, array_size> expected_value;
for (size_t i = 0; i < array_size; ++i) {
if (i % 2 == 0)
pure_mask[i] = true;
else
pure_mask[i] = false;
expected_value[i] = pure_mask[i];
}
ex::simd_mask<T, SimdAbi> from_copy_ctor(pure_mask);
assert_simd_mask_values_equal<array_size>(from_copy_ctor, expected_value);
}
};
template <class T, std::size_t>
struct CheckSimdMaskDefaultMoveCtor {
template <class SimdAbi>
void operator()() {
ex::simd_mask<T, SimdAbi> pure_mask;
constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>;
std::array<bool, array_size> expected_value;
for (size_t i = 0; i < array_size; ++i) {
if (i % 2 == 0)
pure_mask[i] = true;
else
pure_mask[i] = false;
expected_value[i] = pure_mask[i];
}
ex::simd_mask<T, SimdAbi> from_move_ctor(std::move(pure_mask));
assert_simd_mask_values_equal<array_size>(from_move_ctor, expected_value);
}
};
template <class T, std::size_t>
struct CheckSimdMaskDefaultCopyAssignment {
template <class SimdAbi>
void operator()() {
ex::simd_mask<T, SimdAbi> pure_mask;
constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>;
std::array<bool, array_size> expected_value;
for (size_t i = 0; i < array_size; ++i) {
if (i % 2 == 0)
pure_mask[i] = true;
else
pure_mask[i] = false;
expected_value[i] = pure_mask[i];
}
ex::simd_mask<T, SimdAbi> from_copy_assignment;
from_copy_assignment = pure_mask;
assert_simd_mask_values_equal<array_size>(from_copy_assignment, expected_value);
}
};
template <class T, std::size_t>
struct CheckSimdMaskDefaultMoveAssignment {
template <class SimdAbi>
void operator()() {
ex::simd_mask<T, SimdAbi> pure_mask;
constexpr std::size_t array_size = ex::simd_size_v<T, SimdAbi>;
std::array<bool, array_size> expected_value;
for (size_t i = 0; i < array_size; ++i) {
if (i % 2 == 0)
pure_mask[i] = true;
else
pure_mask[i] = false;
expected_value[i] = pure_mask[i];
}
ex::simd_mask<T, SimdAbi> from_move_assignment;
from_move_assignment = std::move(pure_mask);
assert_simd_mask_values_equal<array_size>(from_move_assignment, expected_value);
}
};
int main(int, char**) {
test_all_simd_abi<CheckSimdMaskDefaultCtor>();
test_all_simd_abi<CheckSimdMaskDefaultCopyCtor>();
test_all_simd_abi<CheckSimdMaskDefaultMoveCtor>();
test_all_simd_abi<CheckSimdMaskDefaultCopyAssignment>();
test_all_simd_abi<CheckSimdMaskDefaultMoveAssignment>();
return 0;
}
|
