arm_compute v18.02
[platform/upstream/armcl.git] / src / core / NEON / kernels / NEBitwiseAndKernel.cpp
1 /*
2  * Copyright (c) 2016-2018 ARM Limited.
3  *
4  * SPDX-License-Identifier: MIT
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to
8  * deal in the Software without restriction, including without limitation the
9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10  * sell copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in all
14  * copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  */
24 #include "arm_compute/core/NEON/kernels/NEBitwiseAndKernel.h"
25
26 #include "arm_compute/core/Helpers.h"
27 #include "arm_compute/core/ITensor.h"
28 #include "arm_compute/core/NEON/wrapper/wrapper.h"
29 #include "arm_compute/core/Types.h"
30 #include "arm_compute/core/Validate.h"
31
32 #include <arm_neon.h>
33 #include <cstdint>
34
35 using namespace arm_compute;
36 using namespace arm_compute::wrapper;
37
38 namespace arm_compute
39 {
40 class Coordinates;
41 } // namespace arm_compute
42
43 namespace
44 {
45 template <typename T, int S>
46 inline void bitwise_and(const T *__restrict input1, const T *__restrict input2, T *__restrict output)
47 {
48     using type      = typename wrapper::traits::neon_vector<T, S>::type;
49     const type val1 = vloadq(static_cast<const T *>(input1));
50     const type val2 = vloadq(static_cast<const T *>(input2));
51
52     vstore(static_cast<T *>(output), vand(val1, val2));
53 }
54 } // namespace
55
56 NEBitwiseAndKernel::NEBitwiseAndKernel()
57     : _input1(nullptr), _input2(nullptr), _output(nullptr)
58 {
59 }
60
61 void NEBitwiseAndKernel::configure(const ITensor *input1, const ITensor *input2, ITensor *output)
62 {
63     ARM_COMPUTE_ERROR_ON_NULLPTR(input1, input2, output);
64
65     set_shape_if_empty(*output->info(), input1->info()->tensor_shape());
66
67     set_format_if_unknown(*output->info(), Format::U8);
68     set_format_if_unknown(*input1->info(), Format::U8);
69     set_format_if_unknown(*input2->info(), Format::U8);
70
71     ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input1, input2, output);
72     ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input1, 1, DataType::U8);
73     ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input2, 1, DataType::U8);
74     ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8);
75     ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input1, input2, output);
76
77     _input1 = input1;
78     _input2 = input2;
79     _output = output;
80
81     constexpr unsigned int num_elems_processed_per_iteration = 16;
82
83     // Configure kernel window
84     Window                 win = calculate_max_window(*input1->info(), Steps(num_elems_processed_per_iteration));
85     AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration);
86
87     update_window_and_padding(win,
88                               AccessWindowHorizontal(input1->info(), 0, num_elems_processed_per_iteration),
89                               AccessWindowHorizontal(input2->info(), 0, num_elems_processed_per_iteration),
90                               output_access);
91
92     const ValidRegion valid_region = intersect_valid_regions(input1->info()->valid_region(),
93                                                              input2->info()->valid_region());
94
95     output_access.set_valid_region(win, valid_region);
96
97     INEKernel::configure(win);
98 }
99
100 void NEBitwiseAndKernel::run(const Window &window, const ThreadInfo &info)
101 {
102     ARM_COMPUTE_UNUSED(info);
103     ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
104     ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window);
105     Iterator input1(_input1, window);
106     Iterator input2(_input2, window);
107     Iterator output(_output, window);
108
109     execute_window_loop(window, [&](const Coordinates & id)
110     {
111         bitwise_and<uint8_t, 16>(input1.ptr(), input2.ptr(), output.ptr());
112     },
113     input1, input2, output);
114 }