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v811_spc009/external/gemmlowp/internal/output_neon.h

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// Copyright 2015 The Gemmlowp Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// output_neon.h: optimized NEON specializations of the templates in output.h.
#ifndef GEMMLOWP_INTERNAL_OUTPUT_NEON_H_
#define GEMMLOWP_INTERNAL_OUTPUT_NEON_H_
#include "output.h"
#include <arm_neon.h>
namespace gemmlowp {
template <>
struct OutputStageEvalBufferImpl<OutputStageSaturatingCastToUint8,
RegBufferInt32<4>> {
typedef RegBufferInt32<4> InputType;
typedef RegBufferUint8<4> OutputType;
typedef OutputStageSaturatingCastToUint8 OutputStage;
OutputStageEvalBufferImpl(const OutputStage&) {}
OutputType Eval(InputType input) const {
OutputType output;
int16x4_t res_16 = vqmovn_s32(input.reg[0]);
uint8x8_t res_8 = vqmovun_s16(vcombine_s16(res_16, res_16));
output.reg[0] = vget_lane_u32(vreinterpret_u32_u8(res_8), 0);
return output;
}
};
template <>
struct OutputStageEvalBufferImpl<OutputStageSaturatingCastToUint8,
RegBufferInt32<8>> {
typedef RegBufferInt32<8> InputType;
typedef RegBufferUint8<8> OutputType;
typedef OutputStageSaturatingCastToUint8 OutputStage;
OutputStageEvalBufferImpl(const OutputStage&) {}
OutputType Eval(InputType input) const {
OutputType output;
int16x8_t res_16 =
vcombine_s16(vqmovn_s32(input.reg[0]), vqmovn_s32(input.reg[1]));
output.reg[0] = vqmovun_s16(res_16);
return output;
}
};
template <>
struct OutputStageEvalBufferImpl<OutputStageSaturatingCastToUint8,
RegBufferInt32<16>> {
typedef RegBufferInt32<16> InputType;
typedef RegBufferUint8<16> OutputType;
typedef OutputStageSaturatingCastToUint8 OutputStage;
OutputStageEvalBufferImpl(const OutputStage&) {}
OutputType Eval(InputType input) const {
OutputType output;
int16x8_t res_16_0 =
vcombine_s16(vqmovn_s32(input.reg[0]), vqmovn_s32(input.reg[1]));
int16x8_t res_16_1 =
vcombine_s16(vqmovn_s32(input.reg[2]), vqmovn_s32(input.reg[3]));
output.reg[0] = vqmovun_s16(res_16_0);
output.reg[1] = vqmovun_s16(res_16_1);
return output;
}
};
template <>
struct OutputStageEvalBufferImpl<OutputStageSaturatingCastToUint8,
RegBufferInt32<32>> {
typedef RegBufferInt32<32> InputType;
typedef RegBufferUint8<32> OutputType;
typedef OutputStageSaturatingCastToUint8 OutputStage;
OutputStageEvalBufferImpl(const OutputStage&) {}
OutputType Eval(InputType input) const {
OutputType output;
int16x8_t res_16[4];
for (int i = 0; i < 4; i++) {
res_16[i] = vcombine_s16(vqmovn_s32(input.reg[2 * i]),
vqmovn_s32(input.reg[2 * i + 1]));
}
for (int i = 0; i < 4; i++) {
output.reg[i] = vqmovun_s16(res_16[i]);
}
return output;
}
};
template <>
struct OutputStageEvalBufferImpl<OutputStageSaturatingCastToInt8,
RegBufferInt32<4>> {
typedef RegBufferInt32<4> InputType;
typedef RegBufferInt8<4> OutputType;
typedef OutputStageSaturatingCastToInt8 OutputStage;
OutputStageEvalBufferImpl(const OutputStage&) {}
OutputType Eval(InputType input) const {
OutputType output;
int16x4_t res_16 = vqmovn_s32(input.reg[0]);
int8x8_t res_8 = vqmovn_s16(vcombine_s16(res_16, res_16));
output.reg[0] = vget_lane_s32(vreinterpret_s32_s8(res_8), 0);
return output;
}
};
template <>
struct OutputStageEvalBufferImpl<OutputStageSaturatingCastToInt8,
RegBufferInt32<8>> {
typedef RegBufferInt32<8> InputType;
typedef RegBufferInt8<8> OutputType;
typedef OutputStageSaturatingCastToInt8 OutputStage;
OutputStageEvalBufferImpl(const OutputStage&) {}
OutputType Eval(InputType input) const {
OutputType output;
int16x8_t res_16 =
vcombine_s16(vqmovn_s32(input.reg[0]), vqmovn_s32(input.reg[1]));
output.reg[0] = vqmovn_s16(res_16);
return output;
}
};
template <>
struct OutputStageEvalBufferImpl<OutputStageSaturatingCastToInt8,
RegBufferInt32<16>> {
typedef RegBufferInt32<16> InputType;
typedef RegBufferInt8<16> OutputType;
typedef OutputStageSaturatingCastToInt8 OutputStage;
OutputStageEvalBufferImpl(const OutputStage&) {}
OutputType Eval(InputType input) const {
OutputType output;
int16x8_t res_16_0 =
vcombine_s16(vqmovn_s32(input.reg[0]), vqmovn_s32(input.reg[1]));
int16x8_t res_16_1 =
vcombine_s16(vqmovn_s32(input.reg[2]), vqmovn_s32(input.reg[3]));
output.reg[0] = vqmovn_s16(res_16_0);
output.reg[1] = vqmovn_s16(res_16_1);
return output;
}
};
template <>
struct OutputStageEvalBufferImpl<OutputStageSaturatingCastToInt8,
RegBufferInt32<32>> {
typedef RegBufferInt32<32> InputType;
typedef RegBufferInt8<32> OutputType;
typedef OutputStageSaturatingCastToInt8 OutputStage;
OutputStageEvalBufferImpl(const OutputStage&) {}
OutputType Eval(InputType input) const {
OutputType output;
int16x8_t res_16[4];
for (int i = 0; i < 4; i++) {
res_16[i] = vcombine_s16(vqmovn_s32(input.reg[2 * i]),
vqmovn_s32(input.reg[2 * i + 1]));
}
for (int i = 0; i < 4; i++) {
output.reg[i] = vqmovn_s16(res_16[i]);
}
return output;
}
};
template <>
struct OutputStageEvalBufferImpl<OutputStageSaturatingCastToInt16,
RegBufferInt32<4>> {
typedef RegBufferInt32<4> InputType;
typedef RegBufferInt16<4> OutputType;
typedef OutputStageSaturatingCastToInt16 OutputStage;
OutputStageEvalBufferImpl(const OutputStage&) {}
OutputType Eval(InputType input) const {
OutputType output;
output.reg[0] = vqmovn_s32(input.reg[0]);
return output;
}
};
template <>
struct OutputStageEvalBufferImpl<OutputStageSaturatingCastToInt16,
RegBufferInt32<8>> {
typedef RegBufferInt32<8> InputType;
typedef RegBufferInt16<8> OutputType;
typedef OutputStageSaturatingCastToInt16 OutputStage;
OutputStageEvalBufferImpl(const OutputStage&) {}
OutputType Eval(InputType input) const {
OutputType output;
output.reg[0] =
vcombine_s16(vqmovn_s32(input.reg[0]), vqmovn_s32(input.reg[1]));
return output;
}
};
template <>
struct OutputStageEvalBufferImpl<OutputStageSaturatingCastToInt16,
RegBufferInt32<16>> {
typedef RegBufferInt32<16> InputType;
typedef RegBufferInt16<16> OutputType;
typedef OutputStageSaturatingCastToInt16 OutputStage;
OutputStageEvalBufferImpl(const OutputStage&) {}
OutputType Eval(InputType input) const {
OutputType output;
output.reg[0] =
vcombine_s16(vqmovn_s32(input.reg[0]), vqmovn_s32(input.reg[1]));
output.reg[1] =
vcombine_s16(vqmovn_s32(input.reg[2]), vqmovn_s32(input.reg[3]));
return output;
}
};
template <>
struct OutputStageEvalBufferImpl<OutputStageSaturatingCastToInt16,
RegBufferInt32<32>> {
typedef RegBufferInt32<32> InputType;
typedef RegBufferInt16<32> OutputType;
typedef OutputStageSaturatingCastToInt16 OutputStage;
OutputStageEvalBufferImpl(const OutputStage&) {}
OutputType Eval(InputType input) const {
OutputType output;
output.reg[0] =
vcombine_s16(vqmovn_s32(input.reg[0]), vqmovn_s32(input.reg[1]));
output.reg[1] =
vcombine_s16(vqmovn_s32(input.reg[2]), vqmovn_s32(input.reg[3]));
output.reg[2] =
vcombine_s16(vqmovn_s32(input.reg[4]), vqmovn_s32(input.reg[5]));
output.reg[3] =
vcombine_s16(vqmovn_s32(input.reg[6]), vqmovn_s32(input.reg[7]));
return output;
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt32<8, 1>, DstType> {
static void Run(const RegBlockInt32<8, 1>& src, DstType* dst, int row,
int col) {
if (DstType::kOrder == MapOrder::ColMajor) {
StoreInt32x4(dst->data(row, col), src.buf.reg[0]);
StoreInt32x4(dst->data(row + 4, col), src.buf.reg[1]);
} else {
vst1q_lane_s32(dst->data(row + 0, col), src.buf.reg[0], 0);
vst1q_lane_s32(dst->data(row + 1, col), src.buf.reg[0], 1);
vst1q_lane_s32(dst->data(row + 2, col), src.buf.reg[0], 2);
vst1q_lane_s32(dst->data(row + 3, col), src.buf.reg[0], 3);
vst1q_lane_s32(dst->data(row + 4, col), src.buf.reg[1], 0);
vst1q_lane_s32(dst->data(row + 5, col), src.buf.reg[1], 1);
vst1q_lane_s32(dst->data(row + 6, col), src.buf.reg[1], 2);
vst1q_lane_s32(dst->data(row + 7, col), src.buf.reg[1], 3);
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt16<4, 1>, DstType> {
static void Run(const RegBlockInt16<4, 1>& src, DstType* dst, int row,
int col) {
if (DstType::kOrder == MapOrder::ColMajor) {
StoreInt16x4(dst->data(row, col), src.buf.reg[0]);
} else {
vst1_lane_s16(dst->data(row + 0, col), src.buf.reg[0], 0);
vst1_lane_s16(dst->data(row + 1, col), src.buf.reg[0], 1);
vst1_lane_s16(dst->data(row + 2, col), src.buf.reg[0], 2);
vst1_lane_s16(dst->data(row + 3, col), src.buf.reg[0], 3);
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt16<8, 1>, DstType> {
static void Run(const RegBlockInt16<8, 1>& src, DstType* dst, int row,
int col) {
if (DstType::kOrder == MapOrder::ColMajor) {
StoreInt16x8(dst->data(row, col), src.buf.reg[0]);
} else {
vst1q_lane_s16(dst->data(row + 0, col), src.buf.reg[0], 0);
vst1q_lane_s16(dst->data(row + 1, col), src.buf.reg[0], 1);
vst1q_lane_s16(dst->data(row + 2, col), src.buf.reg[0], 2);
vst1q_lane_s16(dst->data(row + 3, col), src.buf.reg[0], 3);
vst1q_lane_s16(dst->data(row + 4, col), src.buf.reg[0], 4);
vst1q_lane_s16(dst->data(row + 5, col), src.buf.reg[0], 5);
vst1q_lane_s16(dst->data(row + 6, col), src.buf.reg[0], 6);
vst1q_lane_s16(dst->data(row + 7, col), src.buf.reg[0], 7);
}
}
};
inline RegBlockInt32<4, 4> Transpose(const RegBlockInt32<4, 4>& src) {
const int32x4x2_t t0 = vtrnq_s32(src.buf.reg[0], src.buf.reg[1]);
const int32x4x2_t t1 = vtrnq_s32(src.buf.reg[2], src.buf.reg[3]);
RegBlockInt32<4, 4> result;
result.buf.reg[0] =
vcombine_s32(vget_low_s32(t0.val[0]), vget_low_s32(t1.val[0]));
result.buf.reg[1] =
vcombine_s32(vget_low_s32(t0.val[1]), vget_low_s32(t1.val[1]));
result.buf.reg[2] =
vcombine_s32(vget_high_s32(t0.val[0]), vget_high_s32(t1.val[0]));
result.buf.reg[3] =
vcombine_s32(vget_high_s32(t0.val[1]), vget_high_s32(t1.val[1]));
return result;
}
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt32<4, 4>, DstType> {
static void Run(const RegBlockInt32<4, 4>& src, DstType* dst, int row,
int col) {
const auto& block =
DstType::kOrder == MapOrder::ColMajor ? src : Transpose(src);
std::int32_t* dst_ptr = dst->data(row, col);
int stride = dst->stride();
for (int i = 0; i < 4; i++) {
vst1q_s32(dst_ptr + i * stride, block.buf.reg[i]);
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt16<4, 4>, DstType> {
static void Run(const RegBlockInt16<4, 4>& src, DstType* dst, int row,
int col) {
if (DstType::kOrder == MapOrder::ColMajor) {
vst1_s16(dst->data(row, col + 0), vget_low_s16(src.buf.reg[0]));
vst1_s16(dst->data(row, col + 1), vget_high_s16(src.buf.reg[0]));
vst1_s16(dst->data(row, col + 2), vget_low_s16(src.buf.reg[1]));
vst1_s16(dst->data(row, col + 3), vget_high_s16(src.buf.reg[1]));
} else {
const int16x4x2_t t0 =
vtrn_s16(vget_low_s16(src.buf.reg[0]), vget_high_s16(src.buf.reg[0]));
const int16x4x2_t t1 =
vtrn_s16(vget_low_s16(src.buf.reg[1]), vget_high_s16(src.buf.reg[1]));
const int32x4x2_t t =
vtrnq_s32(vreinterpretq_s32_s16(vcombine_s16(t0.val[0], t0.val[1])),
vreinterpretq_s32_s16(vcombine_s16(t1.val[0], t1.val[1])));
vst1_s16(dst->data(row + 0, col),
vget_low_s16(vreinterpretq_s16_s32(t.val[0])));
vst1_s16(dst->data(row + 1, col),
vget_high_s16(vreinterpretq_s16_s32(t.val[0])));
vst1_s16(dst->data(row + 2, col),
vget_low_s16(vreinterpretq_s16_s32(t.val[1])));
vst1_s16(dst->data(row + 3, col),
vget_high_s16(vreinterpretq_s16_s32(t.val[1])));
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt32<8, 4>, DstType> {
static void Run(const RegBlockInt32<8, 4>& src, DstType* dst, int row,
int col) {
std::int32_t* dst_ptr = dst->data(row, col);
if (DstType::kOrder == MapOrder::ColMajor) {
int col_stride = dst->cols_stride();
for (int i = 0; i < 4; i++) {
vst1q_s32(dst_ptr + i * col_stride + 0, src.buf.reg[2 * i + 0]);
vst1q_s32(dst_ptr + i * col_stride + 4, src.buf.reg[2 * i + 1]);
}
} else {
int row_stride = dst->rows_stride();
RegBlockInt32<4, 4> top;
top.buf.reg[0] = src.buf.reg[0];
top.buf.reg[1] = src.buf.reg[2];
top.buf.reg[2] = src.buf.reg[4];
top.buf.reg[3] = src.buf.reg[6];
const auto transpose_top = Transpose(top);
for (int i = 0; i < 4; i++) {
vst1q_s32(dst_ptr + i * row_stride, transpose_top.buf.reg[i]);
}
RegBlockInt32<4, 4> bottom;
bottom.buf.reg[0] = src.buf.reg[1];
bottom.buf.reg[1] = src.buf.reg[3];
bottom.buf.reg[2] = src.buf.reg[5];
bottom.buf.reg[3] = src.buf.reg[7];
const auto transpose_bottom = Transpose(bottom);
for (int i = 0; i < 4; i++) {
vst1q_s32(dst_ptr + (i + 4) * row_stride, transpose_bottom.buf.reg[i]);
}
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt16<8, 4>, DstType> {
static void Run(const RegBlockInt16<8, 4>& src, DstType* dst, int row,
int col) {
if (DstType::kOrder == MapOrder::ColMajor) {
vst1q_s16(dst->data(row, col + 0), src.buf.reg[0]);
vst1q_s16(dst->data(row, col + 1), src.buf.reg[1]);
vst1q_s16(dst->data(row, col + 2), src.buf.reg[2]);
vst1q_s16(dst->data(row, col + 3), src.buf.reg[3]);
} else {
const int16x8x2_t t0 = vtrnq_s16(src.buf.reg[0], src.buf.reg[1]);
const int16x8x2_t t1 = vtrnq_s16(src.buf.reg[2], src.buf.reg[3]);
const int32x4x2_t u0 = vtrnq_s32(vreinterpretq_s32_s16(t0.val[0]),
vreinterpretq_s32_s16(t1.val[0]));
const int32x4x2_t u1 = vtrnq_s32(vreinterpretq_s32_s16(t0.val[1]),
vreinterpretq_s32_s16(t1.val[1]));
vst1_s16(dst->data(row + 0, col),
vget_low_s16(vreinterpretq_s16_s32(u0.val[0])));
vst1_s16(dst->data(row + 1, col),
vget_low_s16(vreinterpretq_s16_s32(u1.val[0])));
vst1_s16(dst->data(row + 2, col),
vget_low_s16(vreinterpretq_s16_s32(u0.val[1])));
vst1_s16(dst->data(row + 3, col),
vget_low_s16(vreinterpretq_s16_s32(u1.val[1])));
vst1_s16(dst->data(row + 4, col),
vget_high_s16(vreinterpretq_s16_s32(u0.val[0])));
vst1_s16(dst->data(row + 5, col),
vget_high_s16(vreinterpretq_s16_s32(u1.val[0])));
vst1_s16(dst->data(row + 6, col),
vget_high_s16(vreinterpretq_s16_s32(u0.val[1])));
vst1_s16(dst->data(row + 7, col),
vget_high_s16(vreinterpretq_s16_s32(u1.val[1])));
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt32<8, 8>, DstType> {
static void Run(const RegBlockInt32<8, 8>& src, DstType* dst, int row,
int col) {
std::int32_t* dst_ptr = dst->data(row, col);
if (DstType::kOrder == MapOrder::ColMajor) {
int col_stride = dst->cols_stride();
for (int i = 0; i < 8; i++) {
vst1q_s32(dst_ptr + i * col_stride, src.buf.reg[2 * i]);
vst1q_s32(dst_ptr + i * col_stride + 4, src.buf.reg[2 * i + 1]);
}
} else {
int row_stride = dst->rows_stride();
RegBlockInt32<4, 4> top_left;
top_left.buf.reg[0] = src.buf.reg[0];
top_left.buf.reg[1] = src.buf.reg[2];
top_left.buf.reg[2] = src.buf.reg[4];
top_left.buf.reg[3] = src.buf.reg[6];
const auto transpose_top_left = Transpose(top_left);
for (int i = 0; i < 4; i++) {
vst1q_s32(dst_ptr + i * row_stride, transpose_top_left.buf.reg[i]);
}
RegBlockInt32<4, 4> bottom_left;
bottom_left.buf.reg[0] = src.buf.reg[1];
bottom_left.buf.reg[1] = src.buf.reg[3];
bottom_left.buf.reg[2] = src.buf.reg[5];
bottom_left.buf.reg[3] = src.buf.reg[7];
const auto transpose_bottom_left = Transpose(bottom_left);
for (int i = 0; i < 4; i++) {
vst1q_s32(dst_ptr + (i + 4) * row_stride,
transpose_bottom_left.buf.reg[i]);
}
RegBlockInt32<4, 4> top_right;
top_right.buf.reg[0] = src.buf.reg[8];
top_right.buf.reg[1] = src.buf.reg[10];
top_right.buf.reg[2] = src.buf.reg[12];
top_right.buf.reg[3] = src.buf.reg[14];
const auto transpose_top_right = Transpose(top_right);
for (int i = 0; i < 4; i++) {
vst1q_s32(dst_ptr + i * row_stride + 4, transpose_top_right.buf.reg[i]);
}
RegBlockInt32<4, 4> bottom_right;
bottom_right.buf.reg[0] = src.buf.reg[9];
bottom_right.buf.reg[1] = src.buf.reg[11];
bottom_right.buf.reg[2] = src.buf.reg[13];
bottom_right.buf.reg[3] = src.buf.reg[15];
const auto transpose_bottom_right = Transpose(bottom_right);
for (int i = 0; i < 4; i++) {
vst1q_s32(dst_ptr + (i + 4) * row_stride + 4,
transpose_bottom_right.buf.reg[i]);
}
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt32<4, 1>, DstType> {
static void Run(const RegBlockInt32<4, 1>& src, DstType* dst, int row,
int col) {
std::int32_t* dst_ptr = dst->data(row, col);
if (DstType::kOrder == MapOrder::ColMajor) {
vst1q_s32(dst_ptr, src.buf.reg[0]);
} else {
int row_stride = dst->rows_stride();
vst1q_lane_s32(dst_ptr + 0 * row_stride, src.buf.reg[0], 0);
vst1q_lane_s32(dst_ptr + 1 * row_stride, src.buf.reg[0], 1);
vst1q_lane_s32(dst_ptr + 2 * row_stride, src.buf.reg[0], 2);
vst1q_lane_s32(dst_ptr + 3 * row_stride, src.buf.reg[0], 3);
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt32<1, 4>, DstType> {
static void Run(const RegBlockInt32<1, 4>& src, DstType* dst, int row,
int col) {
std::int32_t* dst_ptr = dst->data(row, col);
if (DstType::kOrder == MapOrder::RowMajor) {
vst1q_s32(dst_ptr, src.buf.reg[0]);
} else {
int col_stride = dst->cols_stride();
vst1q_lane_s32(dst_ptr + 0 * col_stride, src.buf.reg[0], 0);
vst1q_lane_s32(dst_ptr + 1 * col_stride, src.buf.reg[0], 1);
vst1q_lane_s32(dst_ptr + 2 * col_stride, src.buf.reg[0], 2);
vst1q_lane_s32(dst_ptr + 3 * col_stride, src.buf.reg[0], 3);
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt16<1, 4>, DstType> {
static void Run(const RegBlockInt16<1, 4>& src, DstType* dst, int row,
int col) {
std::int16_t* dst_ptr = dst->data(row, col);
if (DstType::kOrder == MapOrder::RowMajor) {
vst1_s16(dst_ptr, src.buf.reg[0]);
} else {
int col_stride = dst->cols_stride();
vst1_lane_s16(dst_ptr + 0 * col_stride, src.buf.reg[0], 0);
vst1_lane_s16(dst_ptr + 1 * col_stride, src.buf.reg[0], 1);
vst1_lane_s16(dst_ptr + 2 * col_stride, src.buf.reg[0], 2);
vst1_lane_s16(dst_ptr + 3 * col_stride, src.buf.reg[0], 3);
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockUint8<4, 1>, DstType> {
static void Run(const RegBlockUint8<4, 1>& src, DstType* dst, int row,
int col) {
const std::uint32_t src_reg = src.buf.reg[0];
for (int i = 0; i < 4; i++) {
*dst->data(row + i, col) = (src_reg >> (8 * i));
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockUint8<1, 4>, DstType> {
static void Run(const RegBlockUint8<1, 4>& src, DstType* dst, int row,
int col) {
for (int i = 0; i < 4; i++) {
*dst->data(row, col + i) = (src.buf.reg[0] >> (8 * i));
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockUint8<8, 1>, DstType> {
static void Run(const RegBlockUint8<8, 1>& src, DstType* dst, int row,
int col) {
std::uint8_t* dst_ptr = dst->data(row, col);
if (DstType::kOrder == MapOrder::ColMajor) {
vst1_u8(dst_ptr, src.buf.reg[0]);
} else {
const int row_stride = dst->rows_stride();
vst1_lane_u8(dst_ptr + 0 * row_stride, src.buf.reg[0], 0);
vst1_lane_u8(dst_ptr + 1 * row_stride, src.buf.reg[0], 1);
vst1_lane_u8(dst_ptr + 2 * row_stride, src.buf.reg[0], 2);
vst1_lane_u8(dst_ptr + 3 * row_stride, src.buf.reg[0], 3);
vst1_lane_u8(dst_ptr + 4 * row_stride, src.buf.reg[0], 4);
vst1_lane_u8(dst_ptr + 5 * row_stride, src.buf.reg[0], 5);
vst1_lane_u8(dst_ptr + 6 * row_stride, src.buf.reg[0], 6);
vst1_lane_u8(dst_ptr + 7 * row_stride, src.buf.reg[0], 7);
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockUint8<4, 4>, DstType> {
static void Run(const RegBlockUint8<4, 4>& src, DstType* dst, int row,
int col) {
std::uint8_t* dst_ptr = dst->data(row, col);
const int row_stride = dst->rows_stride();
const int col_stride = dst->cols_stride();
for (int i = 0; i < 2; i++) {
vst1_lane_u8(dst_ptr + 0 * row_stride + (2 * i + 0) * col_stride,
src.buf.reg[i], 0);
vst1_lane_u8(dst_ptr + 1 * row_stride + (2 * i + 0) * col_stride,
src.buf.reg[i], 1);
vst1_lane_u8(dst_ptr + 2 * row_stride + (2 * i + 0) * col_stride,
src.buf.reg[i], 2);
vst1_lane_u8(dst_ptr + 3 * row_stride + (2 * i + 0) * col_stride,
src.buf.reg[i], 3);
vst1_lane_u8(dst_ptr + 0 * row_stride + (2 * i + 1) * col_stride,
src.buf.reg[i], 4);
vst1_lane_u8(dst_ptr + 1 * row_stride + (2 * i + 1) * col_stride,
src.buf.reg[i], 5);
vst1_lane_u8(dst_ptr + 2 * row_stride + (2 * i + 1) * col_stride,
src.buf.reg[i], 6);
vst1_lane_u8(dst_ptr + 3 * row_stride + (2 * i + 1) * col_stride,
src.buf.reg[i], 7);
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockUint8<8, 4>, DstType> {
static void Run(const RegBlockUint8<8, 4>& src, DstType* dst, int row,
int col) {
std::uint8_t* dst_ptr = dst->data(row, col);
if (DstType::kOrder == MapOrder::ColMajor) {
int col_stride = dst->cols_stride();
for (int i = 0; i < 4; i++) {
vst1_u8(dst_ptr + i * col_stride, src.buf.reg[i]);
}
} else {
int row_stride = dst->rows_stride();
for (int i = 0; i < 4; i++) {
std::uint8_t* col_ptr = dst_ptr + i;
vst1_lane_u8(col_ptr + 0 * row_stride, src.buf.reg[i], 0);
vst1_lane_u8(col_ptr + 1 * row_stride, src.buf.reg[i], 1);
vst1_lane_u8(col_ptr + 2 * row_stride, src.buf.reg[i], 2);
vst1_lane_u8(col_ptr + 3 * row_stride, src.buf.reg[i], 3);
vst1_lane_u8(col_ptr + 4 * row_stride, src.buf.reg[i], 4);
vst1_lane_u8(col_ptr + 5 * row_stride, src.buf.reg[i], 5);
vst1_lane_u8(col_ptr + 6 * row_stride, src.buf.reg[i], 6);
vst1_lane_u8(col_ptr + 7 * row_stride, src.buf.reg[i], 7);
}
}
}
};
inline RegBlockUint8<8, 8> Transpose(const RegBlockUint8<8, 8>& src) {
uint8x8x2_t a[4];
a[0] = vtrn_u8(src.buf.reg[0], src.buf.reg[1]);
a[1] = vtrn_u8(src.buf.reg[2], src.buf.reg[3]);
a[2] = vtrn_u8(src.buf.reg[4], src.buf.reg[5]);
a[3] = vtrn_u8(src.buf.reg[6], src.buf.reg[7]);
uint16x4x2_t b[4];
b[0] = vtrn_u16(vreinterpret_u16_u8(a[0].val[0]),
vreinterpret_u16_u8(a[1].val[0]));
b[1] = vtrn_u16(vreinterpret_u16_u8(a[0].val[1]),
vreinterpret_u16_u8(a[1].val[1]));
b[2] = vtrn_u16(vreinterpret_u16_u8(a[2].val[0]),
vreinterpret_u16_u8(a[3].val[0]));
b[3] = vtrn_u16(vreinterpret_u16_u8(a[2].val[1]),
vreinterpret_u16_u8(a[3].val[1]));
uint32x2x2_t c[4];
c[0] = vtrn_u32(vreinterpret_u32_u16(b[0].val[0]),
vreinterpret_u32_u16(b[2].val[0]));
c[1] = vtrn_u32(vreinterpret_u32_u16(b[1].val[0]),
vreinterpret_u32_u16(b[3].val[0]));
c[2] = vtrn_u32(vreinterpret_u32_u16(b[0].val[1]),
vreinterpret_u32_u16(b[2].val[1]));
c[3] = vtrn_u32(vreinterpret_u32_u16(b[1].val[1]),
vreinterpret_u32_u16(b[3].val[1]));
RegBlockUint8<8, 8> result;
result.buf.reg[0] = vreinterpret_u8_u32(c[0].val[0]);
result.buf.reg[1] = vreinterpret_u8_u32(c[1].val[0]);
result.buf.reg[2] = vreinterpret_u8_u32(c[2].val[0]);
result.buf.reg[3] = vreinterpret_u8_u32(c[3].val[0]);
result.buf.reg[4] = vreinterpret_u8_u32(c[0].val[1]);
result.buf.reg[5] = vreinterpret_u8_u32(c[1].val[1]);
result.buf.reg[6] = vreinterpret_u8_u32(c[2].val[1]);
result.buf.reg[7] = vreinterpret_u8_u32(c[3].val[1]);
return result;
}
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockUint8<8, 8>, DstType> {
static void Run(const RegBlockUint8<8, 8>& src, DstType* dst, int row,
int col) {
const auto& block =
DstType::kOrder == MapOrder::ColMajor ? src : Transpose(src);
std::uint8_t* dst_ptr = dst->data(row, col);
int stride = dst->stride();
for (int i = 0; i < 8; i++) {
vst1_u8(dst_ptr + i * stride, block.buf.reg[i]);
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt8<4, 1>, DstType> {
static void Run(const RegBlockInt8<4, 1>& src, DstType* dst, int row,
int col) {
const std::int32_t src_reg = src.buf.reg[0];
for (int i = 0; i < 4; i++) {
*dst->data(row + i, col) = (src_reg >> (8 * i));
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt8<1, 4>, DstType> {
static void Run(const RegBlockInt8<1, 4>& src, DstType* dst, int row,
int col) {
for (int i = 0; i < 4; i++) {
*dst->data(row, col + i) = (src.buf.reg[0] >> (8 * i));
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt8<8, 1>, DstType> {
static void Run(const RegBlockInt8<8, 1>& src, DstType* dst, int row,
int col) {
std::int8_t* dst_ptr = dst->data(row, col);
if (DstType::kOrder == MapOrder::ColMajor) {
vst1_s8(dst_ptr, src.buf.reg[0]);
} else {
const int row_stride = dst->rows_stride();
vst1_lane_s8(dst_ptr + 0 * row_stride, src.buf.reg[0], 0);
vst1_lane_s8(dst_ptr + 1 * row_stride, src.buf.reg[0], 1);
vst1_lane_s8(dst_ptr + 2 * row_stride, src.buf.reg[0], 2);
vst1_lane_s8(dst_ptr + 3 * row_stride, src.buf.reg[0], 3);
vst1_lane_s8(dst_ptr + 4 * row_stride, src.buf.reg[0], 4);
vst1_lane_s8(dst_ptr + 5 * row_stride, src.buf.reg[0], 5);
vst1_lane_s8(dst_ptr + 6 * row_stride, src.buf.reg[0], 6);
vst1_lane_s8(dst_ptr + 7 * row_stride, src.buf.reg[0], 7);
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt8<4, 4>, DstType> {
static void Run(const RegBlockInt8<4, 4>& src, DstType* dst, int row,
int col) {
std::int8_t* dst_ptr = dst->data(row, col);
const int row_stride = dst->rows_stride();
const int col_stride = dst->cols_stride();
for (int i = 0; i < 2; i++) {
vst1_lane_s8(dst_ptr + 0 * row_stride + (2 * i + 0) * col_stride,
src.buf.reg[i], 0);
vst1_lane_s8(dst_ptr + 1 * row_stride + (2 * i + 0) * col_stride,
src.buf.reg[i], 1);
vst1_lane_s8(dst_ptr + 2 * row_stride + (2 * i + 0) * col_stride,
src.buf.reg[i], 2);
vst1_lane_s8(dst_ptr + 3 * row_stride + (2 * i + 0) * col_stride,
src.buf.reg[i], 3);
vst1_lane_s8(dst_ptr + 0 * row_stride + (2 * i + 1) * col_stride,
src.buf.reg[i], 4);
vst1_lane_s8(dst_ptr + 1 * row_stride + (2 * i + 1) * col_stride,
src.buf.reg[i], 5);
vst1_lane_s8(dst_ptr + 2 * row_stride + (2 * i + 1) * col_stride,
src.buf.reg[i], 6);
vst1_lane_s8(dst_ptr + 3 * row_stride + (2 * i + 1) * col_stride,
src.buf.reg[i], 7);
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt8<8, 4>, DstType> {
static void Run(const RegBlockInt8<8, 4>& src, DstType* dst, int row,
int col) {
std::int8_t* dst_ptr = dst->data(row, col);
if (DstType::kOrder == MapOrder::ColMajor) {
int col_stride = dst->cols_stride();
for (int i = 0; i < 4; i++) {
vst1_s8(dst_ptr + i * col_stride, src.buf.reg[i]);
}
} else {
int row_stride = dst->rows_stride();
for (int i = 0; i < 4; i++) {
std::int8_t* col_ptr = dst_ptr + i;
vst1_lane_s8(col_ptr + 0 * row_stride, src.buf.reg[i], 0);
vst1_lane_s8(col_ptr + 1 * row_stride, src.buf.reg[i], 1);
vst1_lane_s8(col_ptr + 2 * row_stride, src.buf.reg[i], 2);
vst1_lane_s8(col_ptr + 3 * row_stride, src.buf.reg[i], 3);
vst1_lane_s8(col_ptr + 4 * row_stride, src.buf.reg[i], 4);
vst1_lane_s8(col_ptr + 5 * row_stride, src.buf.reg[i], 5);
vst1_lane_s8(col_ptr + 6 * row_stride, src.buf.reg[i], 6);
vst1_lane_s8(col_ptr + 7 * row_stride, src.buf.reg[i], 7);
}
}
}
};
inline RegBlockInt8<8, 8> Transpose(const RegBlockInt8<8, 8>& src) {
int8x8x2_t a[4];
a[0] = vtrn_s8(src.buf.reg[0], src.buf.reg[1]);
a[1] = vtrn_s8(src.buf.reg[2], src.buf.reg[3]);
a[2] = vtrn_s8(src.buf.reg[4], src.buf.reg[5]);
a[3] = vtrn_s8(src.buf.reg[6], src.buf.reg[7]);
int16x4x2_t b[4];
b[0] = vtrn_s16(vreinterpret_s16_s8(a[0].val[0]),
vreinterpret_s16_s8(a[1].val[0]));
b[1] = vtrn_s16(vreinterpret_s16_s8(a[0].val[1]),
vreinterpret_s16_s8(a[1].val[1]));
b[2] = vtrn_s16(vreinterpret_s16_s8(a[2].val[0]),
vreinterpret_s16_s8(a[3].val[0]));
b[3] = vtrn_s16(vreinterpret_s16_s8(a[2].val[1]),
vreinterpret_s16_s8(a[3].val[1]));
int32x2x2_t c[4];
c[0] = vtrn_s32(vreinterpret_s32_s16(b[0].val[0]),
vreinterpret_s32_s16(b[2].val[0]));
c[1] = vtrn_s32(vreinterpret_s32_s16(b[1].val[0]),
vreinterpret_s32_s16(b[3].val[0]));
c[2] = vtrn_s32(vreinterpret_s32_s16(b[0].val[1]),
vreinterpret_s32_s16(b[2].val[1]));
c[3] = vtrn_s32(vreinterpret_s32_s16(b[1].val[1]),
vreinterpret_s32_s16(b[3].val[1]));
RegBlockInt8<8, 8> result;
result.buf.reg[0] = vreinterpret_s8_s32(c[0].val[0]);
result.buf.reg[1] = vreinterpret_s8_s32(c[1].val[0]);
result.buf.reg[2] = vreinterpret_s8_s32(c[2].val[0]);
result.buf.reg[3] = vreinterpret_s8_s32(c[3].val[0]);
result.buf.reg[4] = vreinterpret_s8_s32(c[0].val[1]);
result.buf.reg[5] = vreinterpret_s8_s32(c[1].val[1]);
result.buf.reg[6] = vreinterpret_s8_s32(c[2].val[1]);
result.buf.reg[7] = vreinterpret_s8_s32(c[3].val[1]);
return result;
}
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt8<8, 8>, DstType> {
static void Run(const RegBlockInt8<8, 8>& src, DstType* dst, int row,
int col) {
const auto& block =
DstType::kOrder == MapOrder::ColMajor ? src : Transpose(src);
std::int8_t* dst_ptr = dst->data(row, col);
int stride = dst->stride();
for (int i = 0; i < 8; i++) {
vst1_s8(dst_ptr + i * stride, block.buf.reg[i]);
}
}
};
template <typename DstType>
struct StoreFinalOutputImpl<RegBlockInt16<8, 8>, DstType> {
static void Run(const RegBlockInt16<8, 8>& src, DstType* dst, int row,
int col) {
if (DstType::kOrder == MapOrder::ColMajor) {
vst1q_s16(dst->data(row, col + 0), src.buf.reg[0]);
vst1q_s16(dst->data(row, col + 1), src.buf.reg[1]);
vst1q_s16(dst->data(row, col + 2), src.buf.reg[2]);
vst1q_s16(dst->data(row, col + 3), src.buf.reg[3]);
vst1q_s16(dst->data(row, col + 4), src.buf.reg[4]);
vst1q_s16(dst->data(row, col + 5), src.buf.reg[5]);
vst1q_s16(dst->data(row, col + 6), src.buf.reg[6]);
vst1q_s16(dst->data(row, col + 7), src.buf.reg[7]);
} else {
int16x8x2_t a[4];
a[0] = vtrnq_s16(src.buf.reg[0], src.buf.reg[1]);
a[1] = vtrnq_s16(src.buf.reg[2], src.buf.reg[3]);
a[2] = vtrnq_s16(src.buf.reg[4], src.buf.reg[5]);
a[3] = vtrnq_s16(src.buf.reg[6], src.buf.reg[7]);
int32x4x2_t b[4];
b[0] = vtrnq_s32(vreinterpretq_s32_s16(a[0].val[0]),
vreinterpretq_s32_s16(a[1].val[0]));
b[1] = vtrnq_s32(vreinterpretq_s32_s16(a[0].val[1]),
vreinterpretq_s32_s16(a[1].val[1]));
b[2] = vtrnq_s32(vreinterpretq_s32_s16(a[2].val[0]),
vreinterpretq_s32_s16(a[3].val[0]));
b[3] = vtrnq_s32(vreinterpretq_s32_s16(a[2].val[1]),
vreinterpretq_s32_s16(a[3].val[1]));
vst1_s16(dst->data(row + 0, col + 0),
vget_low_s16(vreinterpretq_s16_s32(b[0].val[0])));
vst1_s16(dst->data(row + 0, col + 4),
vget_low_s16(vreinterpretq_s16_s32(b[2].val[0])));
vst1_s16(dst->data(row + 1, col + 0),
vget_low_s16(vreinterpretq_s16_s32(b[1].val[0])));
vst1_s16(dst->data(row + 1, col + 4),
vget_low_s16(vreinterpretq_s16_s32(b[3].val[0])));
vst1_s16(dst->data(row + 2, col + 0),
vget_low_s16(vreinterpretq_s16_s32(b[0].val[1])));
vst1_s16(dst->data(row + 2, col + 4),
vget_low_s16(vreinterpretq_s16_s32(b[2].val[1])));
vst1_s16(dst->data(row + 3, col + 0),
vget_low_s16(vreinterpretq_s16_s32(b[1].val[1])));
vst1_s16(dst->data(row + 3, col + 4),
vget_low_s16(vreinterpretq_s16_s32(b[3].val[1])));
vst1_s16(dst->data(row + 4, col + 0),
vget_high_s16(vreinterpretq_s16_s32(b[0].val[0])));
vst1_s16(dst->data(row + 4, col + 4),
vget_high_s16(vreinterpretq_s16_s32(b[2].val[0])));
vst1_s16(dst->data(row + 5, col + 0),
vget_high_s16(vreinterpretq_s16_s32(b[1].val[0])));
vst1_s16(dst->data(row + 5, col + 4),
vget_high_s16(vreinterpretq_s16_s32(b[3].val[0])));
vst1_s16(dst->data(row + 6, col + 0),
vget_high_s16(vreinterpretq_s16_s32(b[0].val[1])));
vst1_s16(dst->data(row + 6, col + 4),
vget_high_s16(vreinterpretq_s16_s32(b[2].val[1])));
vst1_s16(dst->data(row + 7, col + 0),
vget_high_s16(vreinterpretq_s16_s32(b[1].val[1])));
vst1_s16(dst->data(row + 7, col + 4),
vget_high_s16(vreinterpretq_s16_s32(b[3].val[1])));
}
}
};
} // namespace gemmlowp
#endif // GEMMLOWP_INTERNAL_OUTPUT_NEON_H_
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