1 /*
2 * Copyright (c) 2016-2021 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 "src/core/NEON/kernels/NEBitwiseXorKernel.h"
25
26 #include "arm_compute/core/Helpers.h"
27 #include "arm_compute/core/ITensor.h"
28 #include "arm_compute/core/Types.h"
29 #include "arm_compute/core/Validate.h"
30 #include "src/core/helpers/AutoConfiguration.h"
31 #include "src/core/helpers/WindowHelpers.h"
32
33 #include <arm_neon.h>
34 #include <cstdint>
35
36 using namespace arm_compute;
37
38 namespace arm_compute
39 {
40 class Coordinates;
41 } // namespace arm_compute
42
43 namespace
44 {
bitwise_xor_U8_U8_U8(const uint8_t * __restrict input1,const uint8_t * __restrict input2,uint8_t * __restrict output)45 inline void bitwise_xor_U8_U8_U8(const uint8_t *__restrict input1, const uint8_t *__restrict input2, uint8_t *__restrict output)
46 {
47 const uint8x16_t val1 = vld1q_u8(input1);
48 const uint8x16_t val2 = vld1q_u8(input2);
49
50 vst1q_u8(output, veorq_u8(val1, val2));
51 }
52 } // namespace
53
NEBitwiseXorKernel()54 NEBitwiseXorKernel::NEBitwiseXorKernel()
55 : _input1(nullptr), _input2(nullptr), _output(nullptr)
56 {
57 }
58
configure(const ITensor * input1,const ITensor * input2,ITensor * output)59 void NEBitwiseXorKernel::configure(const ITensor *input1, const ITensor *input2, ITensor *output)
60 {
61 ARM_COMPUTE_ERROR_ON_NULLPTR(input1, input2, output);
62
63 set_shape_if_empty(*output->info(), input1->info()->tensor_shape());
64
65 set_format_if_unknown(*output->info(), Format::U8);
66 set_format_if_unknown(*input1->info(), Format::U8);
67 set_format_if_unknown(*input2->info(), Format::U8);
68
69 ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input1, input2, output);
70 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input1, 1, DataType::U8);
71 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input2, 1, DataType::U8);
72 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8);
73 ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input1, input2, output);
74
75 _input1 = input1;
76 _input2 = input2;
77 _output = output;
78
79 constexpr unsigned int num_elems_processed_per_iteration = 16;
80
81 Window win = calculate_max_window(*input1->info(), Steps(num_elems_processed_per_iteration));
82 AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration);
83
84 update_window_and_padding(win, AccessWindowHorizontal(input1->info(), 0, num_elems_processed_per_iteration),
85 AccessWindowHorizontal(input2->info(), 0, num_elems_processed_per_iteration), output_access);
86
87 INEKernel::configure(win);
88 }
89
run(const Window & window,const ThreadInfo & info)90 void NEBitwiseXorKernel::run(const Window &window, const ThreadInfo &info)
91 {
92 ARM_COMPUTE_UNUSED(info);
93 ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
94 ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window);
95 Iterator input1(_input1, window);
96 Iterator input2(_input2, window);
97 Iterator output(_output, window);
98
99 execute_window_loop(window, [&](const Coordinates &)
100 {
101 bitwise_xor_U8_U8_U8(input1.ptr(), input2.ptr(), output.ptr());
102 },
103 input1, input2, output);
104 }
105