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/*
* Copyright (c) 2020-2021 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "arm_compute/core/Helpers.h"
#include "arm_compute/core/ITensor.h"
#include "arm_compute/core/Types.h"
#include "arm_compute/core/utils/misc/Traits.h"
#include "src/core/NEON/wrapper/wrapper.h"
#include "src/core/helpers/WindowHelpers.h"
namespace arm_compute
{
namespace cpu
{
void add_u8_u8_s16_neon(const ITensor *src0, const ITensor *src1, ITensor *dst, const ConvertPolicy &policy, const Window &window)
{
// Create input windows
Window win = window;
Window input1_win = window.broadcast_if_dimension_le_one(src0->info()->tensor_shape());
Window input2_win = window.broadcast_if_dimension_le_one(src1->info()->tensor_shape());
// Clear X Dimension on execution window as we handle manually
win.set(Window::DimX, Window::Dimension(0, 1, 1));
input1_win.set(Window::DimX, Window::Dimension(0, 1, 1));
input2_win.set(Window::DimX, Window::Dimension(0, 1, 1));
Iterator input1(src0, input1_win);
Iterator input2(src1, input2_win);
Iterator output(dst, win);
const int window_step_x = 8;
const auto window_start_x = static_cast<int>(window.x().start());
const auto window_end_x = static_cast<int>(window.x().end());
execute_window_loop(win, [&](const Coordinates &)
{
const auto input1_ptr = reinterpret_cast<const uint8_t *>(input1.ptr());
const auto input2_ptr = reinterpret_cast<const uint8_t *>(input2.ptr());
const auto output_ptr = reinterpret_cast<int16_t *>(output.ptr());
if(policy == ConvertPolicy::WRAP)
{
// Compute S elements per iteration
int x = window_start_x;
for(; x <= (window_end_x - window_step_x); x += window_step_x)
{
const auto vin1 = vreinterpretq_s16_u16(wrapper::vmovl(wrapper::vload(input1_ptr + x)));
const auto vin2 = vreinterpretq_s16_u16(wrapper::vmovl(wrapper::vload(input2_ptr + x)));
wrapper::vstore(output_ptr + x, wrapper::vadd(vin1, vin2));
}
// Compute left-over elements
for(; x < window_end_x; ++x)
{
*(output_ptr + x) = static_cast<int16_t>(*(input1_ptr + x)) + static_cast<int16_t>(*(input2_ptr + x));
}
}
else
{
// Compute S elements per iteration
int x = window_start_x;
for(; x <= (window_end_x - window_step_x); x += window_step_x)
{
const auto vin1 = vreinterpretq_s16_u16(wrapper::vmovl(wrapper::vload(input1_ptr + x)));
const auto vin2 = vreinterpretq_s16_u16(wrapper::vmovl(wrapper::vload(input2_ptr + x)));
wrapper::vstore(output_ptr + x, wrapper::vqadd(vin1, vin2));
}
// Compute left-over elements
for(; x < window_end_x; ++x)
{
*(output_ptr + x) = wrapper::add_sat(static_cast<int16_t>(*(input1_ptr + x)),
static_cast<int16_t>(*(input2_ptr + x)));
}
}
},
input1, input2, output);
}
void add_s16_u8_s16_neon(const ITensor *src0, const ITensor *src1, ITensor *dst, const ConvertPolicy &policy, const Window &window)
{
// Create input windows
Window win = window;
Window input1_win = window.broadcast_if_dimension_le_one(src0->info()->tensor_shape());
Window input2_win = window.broadcast_if_dimension_le_one(src1->info()->tensor_shape());
// Clear X Dimension on execution window as we handle manually
win.set(Window::DimX, Window::Dimension(0, 1, 1));
input1_win.set(Window::DimX, Window::Dimension(0, 1, 1));
input2_win.set(Window::DimX, Window::Dimension(0, 1, 1));
Iterator input1(src0, input1_win);
Iterator input2(src1, input2_win);
Iterator output(dst, win);
const int window_step_x = 8;
const auto window_start_x = static_cast<int>(window.x().start());
const auto window_end_x = static_cast<int>(window.x().end());
execute_window_loop(win, [&](const Coordinates &)
{
const auto input1_ptr = reinterpret_cast<const int16_t *>(input1.ptr());
const auto input2_ptr = reinterpret_cast<const uint8_t *>(input2.ptr());
const auto output_ptr = reinterpret_cast<int16_t *>(output.ptr());
if(policy == ConvertPolicy::WRAP)
{
// Compute S elements per iteration
int x = window_start_x;
for(; x <= (window_end_x - window_step_x); x += window_step_x)
{
const auto vin1 = wrapper::vloadq(input1_ptr + x);
const auto vin2 = vreinterpretq_s16_u16(wrapper::vmovl(wrapper::vload(input2_ptr + x)));
wrapper::vstore(output_ptr + x, wrapper::vadd(vin1, vin2));
}
// Compute left-over elements
for(; x < window_end_x; ++x)
{
*(output_ptr + x) = *(input1_ptr + x) + static_cast<int16_t>(*(input2_ptr + x));
}
}
else
{
// Compute S elements per iteration
int x = window_start_x;
for(; x <= (window_end_x - window_step_x); x += window_step_x)
{
const auto vin1 = wrapper::vloadq(input1_ptr + x);
const auto vin2 = vreinterpretq_s16_u16(wrapper::vmovl(wrapper::vload(input2_ptr + x)));
wrapper::vstore(output_ptr + x, wrapper::vqadd(vin1, vin2));
}
// Compute left-over elements
for(; x < window_end_x; ++x)
{
*(output_ptr + x) = wrapper::add_sat(*(input1_ptr + x), static_cast<int16_t>(*(input2_ptr + x)));
}
}
},
input1, input2, output);
}
void add_u8_s16_s16_neon(const ITensor *src0, const ITensor *src1, ITensor *dst, const ConvertPolicy &policy, const Window &window)
{
// Simply swap the two input buffers:
add_s16_u8_s16_neon(src1, src0, dst, policy, window);
}
} // namespace cpu
} // namespace arm_compute
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