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up8x9-neon-per-channel.c
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up8x9-neon-per-channel.c
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/*
* Copyright (c) Facebook, Inc. and its affiliates.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree.
*/
#include <arm_neon.h>
#include <qnnpack/q8dwconv.h>
#include <requantization/runtime-neon.h>
void pytorch_q8dwconv_ukernel_up8x9_per_channel__neon(
size_t channels,
size_t output_width,
const uint8_t** input,
const void* weights,
uint8_t* output,
size_t input_stride,
size_t output_increment,
const union pytorch_qnnp_conv_quantization_params
quantization_params[restrict static 1]) {
const uint8x8_t va_zero_point =
vld1_dup_u8((const uint8_t*)&quantization_params->neon.input_zero_point);
#ifdef __aarch64__
const int16x8_t voutput_zero_point =
vld1q_dup_s16(&quantization_params->neon.output_zero_point);
const uint8x8_t voutput_min =
vld1_dup_u8(&quantization_params->neon.output_min);
const uint8x8_t voutput_max =
vld1_dup_u8(&quantization_params->neon.output_max);
#else
const float32x4_t vfmin = vdupq_n_f32(quantization_params->neon.vfmin);
const float32x4_t vfmax = vdupq_n_f32(quantization_params->neon.vfmax);
const float32x4_t vfmagic = vdupq_n_f32(quantization_params->neon.vfmagic);
const int32x4_t vimagic = vdupq_n_s32(quantization_params->neon.vimagic);
#endif
#ifdef __aarch64__
/* Larger number of registers on AArch64 make it possible to process few
* pixels at a time */
if (input_stride == 3 * sizeof(void*)) {
for (; output_width >= 3; output_width -= 3) {
/*
* Following 15 values represent:
* -------------------------
*| 00 | 01 | 02 | 03 | 04 |
* -------------------------
*| 10 | 11 | 12 | 13 | 14 |
* -------------------------
*| 20 | 21 | 22 | 23 | 24 |
* -------------------------
* Thus:
* acc0 = 00 + 10 + 20 + 01 + 11 + 21 + 02 + 12 + 22
* acc1 = 01 + 11 + 21 + 02 + 12 + 22 + 03 + 13 + 23
* acc2 = 02 + 12 + 22 + 03 + 13 + 23 + 04 + 14 + 24
*
* For channel wise:
* We may have to do one less output for per perhaps? Need to look at the perf.
*/
const uint8_t* i00 = input[0];
const uint8_t* i10 = input[1];
const uint8_t* i20 = input[2];
const uint8_t* i01 = input[3];
const uint8_t* i11 = input[4];
const uint8_t* i21 = input[5];
const uint8_t* i02 = input[6];
const uint8_t* i12 = input[7];
const uint8_t* i22 = input[8];
const uint8_t* i03 = input[9];
const uint8_t* i13 = input[10];
const uint8_t* i23 = input[11];
const uint8_t* i04 = input[12];
const uint8_t* i14 = input[13];
const uint8_t* i24 = input[14];
uint8_t* output0 = output;
uint8_t* output1 = output0 + channels + output_increment;
uint8_t* output2 = output1 + channels + output_increment;
input += 9;
size_t c = channels;
const void* w = weights;
for (; c >= 8; c -= 8) {
const uint8x8_t vkernel_zero_point =
vld1_u8(&quantization_params->neon.kernel_zero_points[channels - c]);
int32x4_t vacc0_lo = vld1q_s32(w);
w = (void*)((uintptr_t)w + sizeof(int32x4_t));
int32x4_t vacc0_hi = vld1q_s32(w);
w = (void*)((uintptr_t)w + sizeof(int32x4_t));
int32x4_t vacc1_lo = vacc0_lo;
int32x4_t vacc2_lo = vacc0_lo;
int32x4_t vacc1_hi = vacc0_hi;
int32x4_t vacc2_hi = vacc0_hi;
const uint8x8_t vk00 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi00 = vld1_u8(i00);
i00 += 8;
const uint8x8_t vi01 = vld1_u8(i01);
i01 += 8;
const uint8x8_t vi02 = vld1_u8(i02);
i02 += 8;
const int16x8_t vxk00 =
vreinterpretq_s16_u16(vsubl_u8(vk00, vkernel_zero_point));
const int16x8_t vxi00 =
vreinterpretq_s16_u16(sub_zero_point(vi00, va_zero_point));
const int16x8_t vxi01 =
vreinterpretq_s16_u16(sub_zero_point(vi01, va_zero_point));
const int16x8_t vxi02 =
vreinterpretq_s16_u16(sub_zero_point(vi02, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk00), vget_low_s16(vxi00));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk00, vxi00);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk00), vget_low_s16(vxi01));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk00, vxi01);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk00), vget_low_s16(vxi02));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk00, vxi02);
const uint8x8_t vk10 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi10 = vld1_u8(i10);
i10 += 8;
const uint8x8_t vi11 = vld1_u8(i11);
i11 += 8;
const uint8x8_t vi12 = vld1_u8(i12);
i12 += 8;
const int16x8_t vxk10 =
vreinterpretq_s16_u16(vsubl_u8(vk10, vkernel_zero_point));
const int16x8_t vxi10 =
vreinterpretq_s16_u16(sub_zero_point(vi10, va_zero_point));
const int16x8_t vxi11 =
vreinterpretq_s16_u16(sub_zero_point(vi11, va_zero_point));
const int16x8_t vxi12 =
vreinterpretq_s16_u16(sub_zero_point(vi12, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk10), vget_low_s16(vxi10));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk10, vxi10);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk10), vget_low_s16(vxi11));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk10, vxi11);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk10), vget_low_s16(vxi12));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk10, vxi12);
const uint8x8_t vk20 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi20 = vld1_u8(i20);
i20 += 8;
const uint8x8_t vi21 = vld1_u8(i21);
i21 += 8;
const uint8x8_t vi22 = vld1_u8(i22);
i22 += 8;
const int16x8_t vxk20 =
vreinterpretq_s16_u16(vsubl_u8(vk20, vkernel_zero_point));
const int16x8_t vxi20 =
vreinterpretq_s16_u16(sub_zero_point(vi20, va_zero_point));
const int16x8_t vxi21 =
vreinterpretq_s16_u16(sub_zero_point(vi21, va_zero_point));
const int16x8_t vxi22 =
vreinterpretq_s16_u16(sub_zero_point(vi22, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk20), vget_low_s16(vxi20));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk20, vxi20);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk20), vget_low_s16(vxi21));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk20, vxi21);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk20), vget_low_s16(vxi22));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk20, vxi22);
const uint8x8_t vk01 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi03 = vld1_u8(i03);
i03 += 8;
const int16x8_t vxk01 =
vreinterpretq_s16_u16(vsubl_u8(vk01, vkernel_zero_point));
const int16x8_t vxi03 =
vreinterpretq_s16_u16(sub_zero_point(vi03, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk01), vget_low_s16(vxi01));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk01, vxi01);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk01), vget_low_s16(vxi02));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk01, vxi02);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk01), vget_low_s16(vxi03));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk01, vxi03);
const uint8x8_t vk11 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi13 = vld1_u8(i13);
i13 += 8;
const int16x8_t vxk11 =
vreinterpretq_s16_u16(vsubl_u8(vk11, vkernel_zero_point));
const int16x8_t vxi13 =
vreinterpretq_s16_u16(sub_zero_point(vi13, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk11), vget_low_s16(vxi11));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk11, vxi11);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk11), vget_low_s16(vxi12));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk11, vxi12);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk11), vget_low_s16(vxi13));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk11, vxi13);
const uint8x8_t vk21 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi23 = vld1_u8(i23);
i23 += 8;
const int16x8_t vxk21 =
vreinterpretq_s16_u16(vsubl_u8(vk21, vkernel_zero_point));
const int16x8_t vxi23 =
vreinterpretq_s16_u16(sub_zero_point(vi23, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk21), vget_low_s16(vxi21));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk21, vxi21);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk21), vget_low_s16(vxi22));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk21, vxi22);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk21), vget_low_s16(vxi23));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk21, vxi23);
const uint8x8_t vk02 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi04 = vld1_u8(i04);
i04 += 8;
const int16x8_t vxk02 =
vreinterpretq_s16_u16(vsubl_u8(vk02, vkernel_zero_point));
const int16x8_t vxi04 =
vreinterpretq_s16_u16(sub_zero_point(vi04, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk02), vget_low_s16(vxi02));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk02, vxi02);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk02), vget_low_s16(vxi03));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk02, vxi03);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk02), vget_low_s16(vxi04));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk02, vxi04);
const uint8x8_t vk12 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi14 = vld1_u8(i14);
i14 += 8;
const int16x8_t vxk12 =
vreinterpretq_s16_u16(vsubl_u8(vk12, vkernel_zero_point));
const int16x8_t vxi14 =
vreinterpretq_s16_u16(sub_zero_point(vi14, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk12), vget_low_s16(vxi12));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk12, vxi12);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk12), vget_low_s16(vxi13));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk12, vxi13);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk12), vget_low_s16(vxi14));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk12, vxi14);
const uint8x8_t vk22 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi24 = vld1_u8(i24);
i24 += 8;
const int16x8_t vxk22 =
vreinterpretq_s16_u16(vsubl_u8(vk22, vkernel_zero_point));
const int16x8_t vxi24 =
vreinterpretq_s16_u16(sub_zero_point(vi24, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk22), vget_low_s16(vxi22));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk22, vxi22);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk22), vget_low_s16(vxi23));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk22, vxi23);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk22), vget_low_s16(vxi24));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk22, vxi24);
const float32x4_t requantization_scale_v_lo =
vld1q_f32(&quantization_params->neon.requantization_scales[channels - c]);
const float32x4_t requantization_scale_v_hi =
vld1q_f32(&quantization_params->neon.requantization_scales[channels - c + 4]);
vacc0_lo = vcvtnq_s32_f32(
vmulq_f32(vcvtq_f32_s32(vacc0_lo), requantization_scale_v_lo));
vacc0_hi = vcvtnq_s32_f32(
vmulq_f32(vcvtq_f32_s32(vacc0_hi), requantization_scale_v_hi));
vacc1_lo = vcvtnq_s32_f32(
vmulq_f32(vcvtq_f32_s32(vacc1_lo), requantization_scale_v_lo));
vacc1_hi = vcvtnq_s32_f32(
vmulq_f32(vcvtq_f32_s32(vacc1_hi), requantization_scale_v_hi));
vacc2_lo = vcvtnq_s32_f32(
vmulq_f32(vcvtq_f32_s32(vacc2_lo), requantization_scale_v_lo));
vacc2_hi = vcvtnq_s32_f32(
vmulq_f32(vcvtq_f32_s32(vacc2_hi), requantization_scale_v_hi));
const int16x8_t vacc0 = vqaddq_s16(
vqmovn_high_s32(vqmovn_s32(vacc0_lo), vacc0_hi),
voutput_zero_point);
const int16x8_t vacc1 = vqaddq_s16(
vqmovn_high_s32(vqmovn_s32(vacc1_lo), vacc1_hi),
voutput_zero_point);
const int16x8_t vacc2 = vqaddq_s16(
vqmovn_high_s32(vqmovn_s32(vacc2_lo), vacc2_hi),
voutput_zero_point);
uint8x8_t vout0 = vqmovun_s16(vacc0);
uint8x8_t vout1 = vqmovun_s16(vacc1);
uint8x8_t vout2 = vqmovun_s16(vacc2);
vout0 = vmax_u8(vout0, voutput_min);
vout1 = vmax_u8(vout1, voutput_min);
vout2 = vmax_u8(vout2, voutput_min);
vout0 = vmin_u8(vout0, voutput_max);
vout1 = vmin_u8(vout1, voutput_max);
vout2 = vmin_u8(vout2, voutput_max);
vst1_u8(output0, vout0);
output0 += 8;
vst1_u8(output1, vout1);
output1 += 8;
vst1_u8(output2, vout2);
output2 += 8;
}
if (c != 0) {
const size_t c_predecrement = 8 - c;
const int64x1_t vi_shift = vmov_n_s64(-8 * c_predecrement);
i00 -= c_predecrement;
i10 -= c_predecrement;
i20 -= c_predecrement;
i01 -= c_predecrement;
i11 -= c_predecrement;
i21 -= c_predecrement;
i02 -= c_predecrement;
i12 -= c_predecrement;
i22 -= c_predecrement;
i03 -= c_predecrement;
i13 -= c_predecrement;
i23 -= c_predecrement;
i04 -= c_predecrement;
i14 -= c_predecrement;
i24 -= c_predecrement;
const uint8x8_t vkernel_zero_point =
vld1_u8(&quantization_params->neon.kernel_zero_points[channels - c]);
int32x4_t vacc0_lo = vld1q_s32(w);
w = (void*)((uintptr_t)w + sizeof(int32x4_t));
int32x4_t vacc0_hi = vld1q_s32(w);
w = (void*)((uintptr_t)w + sizeof(int32x4_t));
int32x4_t vacc1_lo = vacc0_lo;
int32x4_t vacc2_lo = vacc0_lo;
int32x4_t vacc1_hi = vacc0_hi;
int32x4_t vacc2_hi = vacc0_hi;
const uint8x8_t vk00 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi00 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i00)), vi_shift));
const uint8x8_t vi01 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i01)), vi_shift));
const uint8x8_t vi02 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i02)), vi_shift));
const int16x8_t vxk00 =
vreinterpretq_s16_u16(vsubl_u8(vk00, vkernel_zero_point));
const int16x8_t vxi00 =
vreinterpretq_s16_u16(sub_zero_point(vi00, va_zero_point));
const int16x8_t vxi01 =
vreinterpretq_s16_u16(sub_zero_point(vi01, va_zero_point));
const int16x8_t vxi02 =
vreinterpretq_s16_u16(sub_zero_point(vi02, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk00), vget_low_s16(vxi00));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk00, vxi00);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk00), vget_low_s16(vxi01));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk00, vxi01);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk00), vget_low_s16(vxi02));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk00, vxi02);
const uint8x8_t vk10 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi10 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i10)), vi_shift));
const uint8x8_t vi11 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i11)), vi_shift));
const uint8x8_t vi12 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i12)), vi_shift));
const int16x8_t vxk10 =
vreinterpretq_s16_u16(vsubl_u8(vk10, vkernel_zero_point));
const int16x8_t vxi10 =
vreinterpretq_s16_u16(sub_zero_point(vi10, va_zero_point));
const int16x8_t vxi11 =
vreinterpretq_s16_u16(sub_zero_point(vi11, va_zero_point));
const int16x8_t vxi12 =
vreinterpretq_s16_u16(sub_zero_point(vi12, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk10), vget_low_s16(vxi10));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk10, vxi10);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk10), vget_low_s16(vxi11));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk10, vxi11);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk10), vget_low_s16(vxi12));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk10, vxi12);
const uint8x8_t vk20 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi20 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i20)), vi_shift));
const uint8x8_t vi21 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i21)), vi_shift));
const uint8x8_t vi22 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i22)), vi_shift));
const int16x8_t vxk20 =
vreinterpretq_s16_u16(vsubl_u8(vk20, vkernel_zero_point));
const int16x8_t vxi20 =
vreinterpretq_s16_u16(sub_zero_point(vi20, va_zero_point));
const int16x8_t vxi21 =
vreinterpretq_s16_u16(sub_zero_point(vi21, va_zero_point));
const int16x8_t vxi22 =
vreinterpretq_s16_u16(sub_zero_point(vi22, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk20), vget_low_s16(vxi20));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk20, vxi20);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk20), vget_low_s16(vxi21));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk20, vxi21);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk20), vget_low_s16(vxi22));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk20, vxi22);
const uint8x8_t vk01 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi03 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i03)), vi_shift));
const int16x8_t vxk01 =
vreinterpretq_s16_u16(vsubl_u8(vk01, vkernel_zero_point));
const int16x8_t vxi03 =
vreinterpretq_s16_u16(sub_zero_point(vi03, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk01), vget_low_s16(vxi01));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk01, vxi01);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk01), vget_low_s16(vxi02));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk01, vxi02);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk01), vget_low_s16(vxi03));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk01, vxi03);
const uint8x8_t vk11 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi13 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i13)), vi_shift));
const int16x8_t vxk11 =
vreinterpretq_s16_u16(vsubl_u8(vk11, vkernel_zero_point));
const int16x8_t vxi13 =
vreinterpretq_s16_u16(sub_zero_point(vi13, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk11), vget_low_s16(vxi11));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk11, vxi11);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk11), vget_low_s16(vxi12));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk11, vxi12);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk11), vget_low_s16(vxi13));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk11, vxi13);
const uint8x8_t vk21 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi23 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i23)), vi_shift));
const int16x8_t vxk21 =
vreinterpretq_s16_u16(vsubl_u8(vk21, vkernel_zero_point));
const int16x8_t vxi23 =
vreinterpretq_s16_u16(sub_zero_point(vi23, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk21), vget_low_s16(vxi21));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk21, vxi21);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk21), vget_low_s16(vxi22));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk21, vxi22);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk21), vget_low_s16(vxi23));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk21, vxi23);
const uint8x8_t vk02 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi04 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i04)), vi_shift));
const int16x8_t vxk02 =
vreinterpretq_s16_u16(vsubl_u8(vk02, vkernel_zero_point));
const int16x8_t vxi04 =
vreinterpretq_s16_u16(sub_zero_point(vi04, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk02), vget_low_s16(vxi02));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk02, vxi02);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk02), vget_low_s16(vxi03));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk02, vxi03);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk02), vget_low_s16(vxi04));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk02, vxi04);
const uint8x8_t vk12 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi14 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i14)), vi_shift));
const int16x8_t vxk12 =
vreinterpretq_s16_u16(vsubl_u8(vk12, vkernel_zero_point));
const int16x8_t vxi14 =
vreinterpretq_s16_u16(sub_zero_point(vi14, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk12), vget_low_s16(vxi12));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk12, vxi12);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk12), vget_low_s16(vxi13));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk12, vxi13);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk12), vget_low_s16(vxi14));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk12, vxi14);
const uint8x8_t vk22 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi24 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i24)), vi_shift));
const int16x8_t vxk22 =
vreinterpretq_s16_u16(vsubl_u8(vk22, vkernel_zero_point));
const int16x8_t vxi24 =
vreinterpretq_s16_u16(sub_zero_point(vi24, va_zero_point));
vacc0_lo =
vmlal_s16(vacc0_lo, vget_low_s16(vxk22), vget_low_s16(vxi22));
vacc0_hi = vmlal_high_s16(vacc0_hi, vxk22, vxi22);
vacc1_lo =
vmlal_s16(vacc1_lo, vget_low_s16(vxk22), vget_low_s16(vxi23));
vacc1_hi = vmlal_high_s16(vacc1_hi, vxk22, vxi23);
vacc2_lo =
vmlal_s16(vacc2_lo, vget_low_s16(vxk22), vget_low_s16(vxi24));
vacc2_hi = vmlal_high_s16(vacc2_hi, vxk22, vxi24);
const float32x4_t requantization_scale_v_lo =
vld1q_f32(&quantization_params->neon.requantization_scales[channels - c]);
const float32x4_t requantization_scale_v_hi =
vld1q_f32(&quantization_params->neon.requantization_scales[channels - c + 4]);
vacc0_lo = vcvtnq_s32_f32(
vmulq_f32(vcvtq_f32_s32(vacc0_lo), requantization_scale_v_lo));
vacc0_hi = vcvtnq_s32_f32(
vmulq_f32(vcvtq_f32_s32(vacc0_hi), requantization_scale_v_hi));
vacc1_lo = vcvtnq_s32_f32(
vmulq_f32(vcvtq_f32_s32(vacc1_lo), requantization_scale_v_lo));
vacc1_hi = vcvtnq_s32_f32(
vmulq_f32(vcvtq_f32_s32(vacc1_hi), requantization_scale_v_hi));
vacc2_lo = vcvtnq_s32_f32(
vmulq_f32(vcvtq_f32_s32(vacc2_lo), requantization_scale_v_lo));
vacc2_hi = vcvtnq_s32_f32(
vmulq_f32(vcvtq_f32_s32(vacc2_hi), requantization_scale_v_hi));
const int16x8_t vacc0 = vqaddq_s16(
vqmovn_high_s32(vqmovn_s32(vacc0_lo), vacc0_hi),
voutput_zero_point);
const int16x8_t vacc1 = vqaddq_s16(
vqmovn_high_s32(vqmovn_s32(vacc1_lo), vacc1_hi),
voutput_zero_point);
const int16x8_t vacc2 = vqaddq_s16(
vqmovn_high_s32(vqmovn_s32(vacc2_lo), vacc2_hi),
voutput_zero_point);
uint8x8_t vout0 = vqmovun_s16(vacc0);
uint8x8_t vout1 = vqmovun_s16(vacc1);
uint8x8_t vout2 = vqmovun_s16(vacc2);
vout0 = vmax_u8(vout0, voutput_min);
vout1 = vmax_u8(vout1, voutput_min);
vout2 = vmax_u8(vout2, voutput_min);
vout0 = vmin_u8(vout0, voutput_max);
vout1 = vmin_u8(vout1, voutput_max);
vout2 = vmin_u8(vout2, voutput_max);
if (c & 4) {
vst1_lane_u32(
__builtin_assume_aligned(output0, 1),
vreinterpret_u32_u8(vout0),
0);
output0 += 4;
vst1_lane_u32(
__builtin_assume_aligned(output1, 1),
vreinterpret_u32_u8(vout1),
0);
output1 += 4;
vst1_lane_u32(
__builtin_assume_aligned(output2, 1),
vreinterpret_u32_u8(vout2),
0);
output2 += 4;
vout0 = vext_u8(vout0, vout0, 4);
vout1 = vext_u8(vout1, vout1, 4);
vout2 = vext_u8(vout2, vout2, 4);
}
if (c & 2) {
vst1_lane_u16(
__builtin_assume_aligned(output0, 1),
vreinterpret_u16_u8(vout0),
0);
output0 += 2;
vst1_lane_u16(
__builtin_assume_aligned(output1, 1),
vreinterpret_u16_u8(vout1),
0);
output1 += 2;
vst1_lane_u16(
__builtin_assume_aligned(output2, 1),
vreinterpret_u16_u8(vout2),
0);
output2 += 2;
vout0 = vext_u8(vout0, vout0, 2);
vout1 = vext_u8(vout1, vout1, 2);
vout2 = vext_u8(vout2, vout2, 2);
}
if (c & 1) {
vst1_lane_u8(__builtin_assume_aligned(output0, 1), vout0, 0);
output0++;
vst1_lane_u8(__builtin_assume_aligned(output1, 1), vout1, 0);
output1++;
vst1_lane_u8(__builtin_assume_aligned(output2, 1), vout2, 0);
output2++;
}
}
output = (uint8_t*)((uintptr_t)output2 + output_increment);
}
if (output_width == 0) {
return;
}
}
#endif
do {
const uint8_t* i0 = input[0];
const uint8_t* i1 = input[1];
const uint8_t* i2 = input[2];
const uint8_t* i3 = input[3];
const uint8_t* i4 = input[4];
const uint8_t* i5 = input[5];
const uint8_t* i6 = input[6];
const uint8_t* i7 = input[7];
const uint8_t* i8 = input[8];
input = (const uint8_t**)((uintptr_t)input + input_stride);
size_t c = channels;
const void* w = weights;
for (; c >= 8; c -= 8) {
const uint8x8_t vkernel_zero_point =
vld1_u8(&quantization_params->neon.kernel_zero_points[channels - c]);
int32x4_t vaccX1_lo = vld1q_s32(w);
w = (void*)((uintptr_t)w + sizeof(int32x4_t));
int32x4_t vaccX1_hi = vld1q_s32(w);
w = (void*)((uintptr_t)w + sizeof(int32x4_t));
const uint8x8_t vk0 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi0 = vld1_u8(i0);
i0 += 8;
const int16x8_t vxk0 =
vreinterpretq_s16_u16(vsubl_u8(vk0, vkernel_zero_point));
const int16x8_t vxi0 =
vreinterpretq_s16_u16(sub_zero_point(vi0, va_zero_point));
int32x4_t vaccX0_lo = vmull_s16(vget_low_s16(vxk0), vget_low_s16(vxi0));
int32x4_t vaccX0_hi = vmull_s16(vget_high_s16(vxk0), vget_high_s16(vxi0));
const uint8x8_t vk1 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi1 = vld1_u8(i1);
i1 += 8;
const int16x8_t vxk1 =
vreinterpretq_s16_u16(vsubl_u8(vk1, vkernel_zero_point));
const int16x8_t vxi1 =
vreinterpretq_s16_u16(sub_zero_point(vi1, va_zero_point));
vaccX1_lo = vmlal_s16(vaccX1_lo, vget_low_s16(vxk1), vget_low_s16(vxi1));
vaccX1_hi =
vmlal_s16(vaccX1_hi, vget_high_s16(vxk1), vget_high_s16(vxi1));
const uint8x8_t vk2 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi2 = vld1_u8(i2);
i2 += 8;
const int16x8_t vxk2 =
vreinterpretq_s16_u16(vsubl_u8(vk2, vkernel_zero_point));
const int16x8_t vxi2 =
vreinterpretq_s16_u16(sub_zero_point(vi2, va_zero_point));
vaccX0_lo = vmlal_s16(vaccX0_lo, vget_low_s16(vxk2), vget_low_s16(vxi2));
vaccX0_hi =
vmlal_s16(vaccX0_hi, vget_high_s16(vxk2), vget_high_s16(vxi2));
const uint8x8_t vk3 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi3 = vld1_u8(i3);
i3 += 8;
const int16x8_t vxk3 =
vreinterpretq_s16_u16(vsubl_u8(vk3, vkernel_zero_point));
const int16x8_t vxi3 =
vreinterpretq_s16_u16(sub_zero_point(vi3, va_zero_point));
vaccX1_lo = vmlal_s16(vaccX1_lo, vget_low_s16(vxk3), vget_low_s16(vxi3));
vaccX1_hi =
vmlal_s16(vaccX1_hi, vget_high_s16(vxk3), vget_high_s16(vxi3));
const uint8x8_t vk4 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi4 = vld1_u8(i4);
i4 += 8;
const int16x8_t vxk4 =
vreinterpretq_s16_u16(vsubl_u8(vk4, vkernel_zero_point));
const int16x8_t vxi4 =
vreinterpretq_s16_u16(sub_zero_point(vi4, va_zero_point));
vaccX0_lo = vmlal_s16(vaccX0_lo, vget_low_s16(vxk4), vget_low_s16(vxi4));
vaccX0_hi =
vmlal_s16(vaccX0_hi, vget_high_s16(vxk4), vget_high_s16(vxi4));
const uint8x8_t vk5 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi5 = vld1_u8(i5);
i5 += 8;
const int16x8_t vxk5 =
vreinterpretq_s16_u16(vsubl_u8(vk5, vkernel_zero_point));
const int16x8_t vxi5 =
vreinterpretq_s16_u16(sub_zero_point(vi5, va_zero_point));
vaccX1_lo = vmlal_s16(vaccX1_lo, vget_low_s16(vxk5), vget_low_s16(vxi5));
vaccX1_hi =
vmlal_s16(vaccX1_hi, vget_high_s16(vxk5), vget_high_s16(vxi5));
const uint8x8_t vk6 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi6 = vld1_u8(i6);
i6 += 8;
const int16x8_t vxk6 =
vreinterpretq_s16_u16(vsubl_u8(vk6, vkernel_zero_point));
const int16x8_t vxi6 =
vreinterpretq_s16_u16(sub_zero_point(vi6, va_zero_point));
vaccX0_lo = vmlal_s16(vaccX0_lo, vget_low_s16(vxk6), vget_low_s16(vxi6));
vaccX0_hi =
vmlal_s16(vaccX0_hi, vget_high_s16(vxk6), vget_high_s16(vxi6));
const uint8x8_t vk7 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi7 = vld1_u8(i7);
i7 += 8;
const int16x8_t vxk7 =
vreinterpretq_s16_u16(vsubl_u8(vk7, vkernel_zero_point));
const int16x8_t vxi7 =
vreinterpretq_s16_u16(sub_zero_point(vi7, va_zero_point));
vaccX1_lo = vmlal_s16(vaccX1_lo, vget_low_s16(vxk7), vget_low_s16(vxi7));
vaccX1_hi =
vmlal_s16(vaccX1_hi, vget_high_s16(vxk7), vget_high_s16(vxi7));
const uint8x8_t vk8 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi8 = vld1_u8(i8);
i8 += 8;
const int16x8_t vxk8 =
vreinterpretq_s16_u16(vsubl_u8(vk8, vkernel_zero_point));
const int16x8_t vxi8 =
vreinterpretq_s16_u16(sub_zero_point(vi8, va_zero_point));
vaccX0_lo = vmlal_s16(vaccX0_lo, vget_low_s16(vxk8), vget_low_s16(vxi8));
vaccX0_hi =
vmlal_s16(vaccX0_hi, vget_high_s16(vxk8), vget_high_s16(vxi8));
int32x4_t vacc_lo = vaddq_s32(vaccX0_lo, vaccX1_lo);
int32x4_t vacc_hi = vaddq_s32(vaccX0_hi, vaccX1_hi);
const float32x4_t requantization_scale_v_lo =
vld1q_f32(&quantization_params->neon.requantization_scales[channels - c]);
const float32x4_t requantization_scale_v_hi =
vld1q_f32(&quantization_params->neon.requantization_scales[channels - c + 4]);
const float32x4_t vacc_lo_f =
vmulq_f32(vcvtq_f32_s32(vacc_lo), requantization_scale_v_lo);
const float32x4_t vacc_hi_f =
vmulq_f32(vcvtq_f32_s32(vacc_hi), requantization_scale_v_hi);
#ifdef __aarch64__
vacc_lo = vcvtnq_s32_f32(vacc_lo_f);
vacc_hi = vcvtnq_s32_f32(vacc_hi_f);
const int16x8_t vacc = vqaddq_s16(
vqmovn_high_s32(vqmovn_s32(vacc_lo), vacc_hi), voutput_zero_point);
uint8x8_t vout = vqmovun_s16(vacc);
vout = vmax_u8(vout, voutput_min);
vout = vmin_u8(vout, voutput_max);
#else
const float32x4_t vacc_lo_f_clamped =
vminq_f32(vmaxq_f32(vacc_lo_f, vfmin), vfmax);
const float32x4_t vacc_hi_f_clamped =
vminq_f32(vmaxq_f32(vacc_hi_f, vfmin), vfmax);
vacc_lo = vsubq_s32(
vreinterpretq_s32_f32(vaddq_f32(vacc_lo_f_clamped, vfmagic)), vimagic);
vacc_hi = vsubq_s32(
vreinterpretq_s32_f32(vaddq_f32(vacc_hi_f_clamped, vfmagic)), vimagic);
const int16x8_t vacc =
vcombine_s16(vqmovn_s32(vacc_lo), vqmovn_s32(vacc_hi));
uint8x8_t vout = vqmovun_s16(vacc);
#endif
vst1_u8(output, vout);
output += 8;
}
if (c != 0) {
const size_t c_predecrement = 8 - c;
const int64x1_t vi_shift = vmov_n_s64(-8 * c_predecrement);
i0 -= c_predecrement;
i1 -= c_predecrement;
i2 -= c_predecrement;
i3 -= c_predecrement;
i4 -= c_predecrement;
i5 -= c_predecrement;
i6 -= c_predecrement;
i7 -= c_predecrement;
i8 -= c_predecrement;
const uint8x8_t vkernel_zero_point =
vld1_u8(&quantization_params->neon.kernel_zero_points[channels - c]);
int32x4_t vaccX1_lo = vld1q_s32(w);
w = (void*)((uintptr_t)w + sizeof(int32x4_t));
int32x4_t vaccX1_hi = vld1q_s32(w);
w = (void*)((uintptr_t)w + sizeof(int32x4_t));
const uint8x8_t vk0 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi0 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i0)), vi_shift));
const int16x8_t vxk0 =
vreinterpretq_s16_u16(vsubl_u8(vk0, vkernel_zero_point));
const int16x8_t vxi0 =
vreinterpretq_s16_u16(sub_zero_point(vi0, va_zero_point));
int32x4_t vaccX0_lo = vmull_s16(vget_low_s16(vxk0), vget_low_s16(vxi0));
int32x4_t vaccX0_hi = vmull_s16(vget_high_s16(vxk0), vget_high_s16(vxi0));
const uint8x8_t vk1 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi1 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i1)), vi_shift));
const int16x8_t vxk1 =
vreinterpretq_s16_u16(vsubl_u8(vk1, vkernel_zero_point));
const int16x8_t vxi1 =
vreinterpretq_s16_u16(sub_zero_point(vi1, va_zero_point));
vaccX1_lo = vmlal_s16(vaccX1_lo, vget_low_s16(vxk1), vget_low_s16(vxi1));
vaccX1_hi =
vmlal_s16(vaccX1_hi, vget_high_s16(vxk1), vget_high_s16(vxi1));
const uint8x8_t vk2 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi2 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i2)), vi_shift));
const int16x8_t vxk2 =
vreinterpretq_s16_u16(vsubl_u8(vk2, vkernel_zero_point));
const int16x8_t vxi2 =
vreinterpretq_s16_u16(sub_zero_point(vi2, va_zero_point));
vaccX0_lo = vmlal_s16(vaccX0_lo, vget_low_s16(vxk2), vget_low_s16(vxi2));
vaccX0_hi =
vmlal_s16(vaccX0_hi, vget_high_s16(vxk2), vget_high_s16(vxi2));
const uint8x8_t vk3 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi3 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i3)), vi_shift));
const int16x8_t vxk3 =
vreinterpretq_s16_u16(vsubl_u8(vk3, vkernel_zero_point));
const int16x8_t vxi3 =
vreinterpretq_s16_u16(sub_zero_point(vi3, va_zero_point));
vaccX1_lo = vmlal_s16(vaccX1_lo, vget_low_s16(vxk3), vget_low_s16(vxi3));
vaccX1_hi =
vmlal_s16(vaccX1_hi, vget_high_s16(vxk3), vget_high_s16(vxi3));
const uint8x8_t vk4 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi4 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i4)), vi_shift));
const int16x8_t vxk4 =
vreinterpretq_s16_u16(vsubl_u8(vk4, vkernel_zero_point));
const int16x8_t vxi4 =
vreinterpretq_s16_u16(sub_zero_point(vi4, va_zero_point));
vaccX0_lo = vmlal_s16(vaccX0_lo, vget_low_s16(vxk4), vget_low_s16(vxi4));
vaccX0_hi =
vmlal_s16(vaccX0_hi, vget_high_s16(vxk4), vget_high_s16(vxi4));
const uint8x8_t vk5 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi5 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i5)), vi_shift));
const int16x8_t vxk5 =
vreinterpretq_s16_u16(vsubl_u8(vk5, vkernel_zero_point));
const int16x8_t vxi5 =
vreinterpretq_s16_u16(sub_zero_point(vi5, va_zero_point));
vaccX1_lo = vmlal_s16(vaccX1_lo, vget_low_s16(vxk5), vget_low_s16(vxi5));
vaccX1_hi =
vmlal_s16(vaccX1_hi, vget_high_s16(vxk5), vget_high_s16(vxi5));
const uint8x8_t vk6 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi6 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i6)), vi_shift));
const int16x8_t vxk6 =
vreinterpretq_s16_u16(vsubl_u8(vk6, vkernel_zero_point));
const int16x8_t vxi6 =
vreinterpretq_s16_u16(sub_zero_point(vi6, va_zero_point));
vaccX0_lo = vmlal_s16(vaccX0_lo, vget_low_s16(vxk6), vget_low_s16(vxi6));
vaccX0_hi =
vmlal_s16(vaccX0_hi, vget_high_s16(vxk6), vget_high_s16(vxi6));
const uint8x8_t vk7 = vld1_u8(w);
w = (void*)((uintptr_t)w + sizeof(uint8x8_t));
const uint8x8_t vi7 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i7)), vi_shift));
const int16x8_t vxk7 =
vreinterpretq_s16_u16(vsubl_u8(vk7, vkernel_zero_point));
const int16x8_t vxi7 =
vreinterpretq_s16_u16(sub_zero_point(vi7, va_zero_point));
vaccX1_lo = vmlal_s16(vaccX1_lo, vget_low_s16(vxk7), vget_low_s16(vxi7));
vaccX1_hi =
vmlal_s16(vaccX1_hi, vget_high_s16(vxk7), vget_high_s16(vxi7));
const uint8x8_t vk8 = vld1_u8(w);
const uint8x8_t vi8 = vreinterpret_u8_u64(
vshl_u64(vreinterpret_u64_u8(vld1_u8(i8)), vi_shift));
const int16x8_t vxk8 =
vreinterpretq_s16_u16(vsubl_u8(vk8, vkernel_zero_point));
const int16x8_t vxi8 =
vreinterpretq_s16_u16(sub_zero_point(vi8, va_zero_point));
vaccX0_lo = vmlal_s16(vaccX0_lo, vget_low_s16(vxk8), vget_low_s16(vxi8));
vaccX0_hi =
vmlal_s16(vaccX0_hi, vget_high_s16(vxk8), vget_high_s16(vxi8));
int32x4_t vacc_lo = vaddq_s32(vaccX0_lo, vaccX1_lo);
int32x4_t vacc_hi = vaddq_s32(vaccX0_hi, vaccX1_hi);
const float32x4_t requantization_scale_v_lo =
vld1q_f32(&quantization_params->neon.requantization_scales[channels - c]);
const float32x4_t requantization_scale_v_hi =
vld1q_f32(&quantization_params->neon.requantization_scales[channels - c + 4]);
const float32x4_t vacc_lo_f =
vmulq_f32(vcvtq_f32_s32(vacc_lo), requantization_scale_v_lo);
const float32x4_t vacc_hi_f =
vmulq_f32(vcvtq_f32_s32(vacc_hi), requantization_scale_v_hi);
#ifdef __aarch64__
vacc_lo = vcvtnq_s32_f32(vacc_lo_f);
vacc_hi = vcvtnq_s32_f32(vacc_hi_f);
const int16x8_t vacc = vqaddq_s16(
vqmovn_high_s32(vqmovn_s32(vacc_lo), vacc_hi), voutput_zero_point);
uint8x8_t vout = vqmovun_s16(vacc);
vout = vmax_u8(vout, voutput_min);
vout = vmin_u8(vout, voutput_max);
#else
const float32x4_t vacc_lo_f_clamped =
vminq_f32(vmaxq_f32(vacc_lo_f, vfmin), vfmax);
const float32x4_t vacc_hi_f_clamped =
vminq_f32(vmaxq_f32(vacc_hi_f, vfmin), vfmax);
vacc_lo = vsubq_s32(
vreinterpretq_s32_f32(vaddq_f32(vacc_lo_f_clamped, vfmagic)), vimagic);
vacc_hi = vsubq_s32(
vreinterpretq_s32_f32(vaddq_f32(vacc_hi_f_clamped, vfmagic)), vimagic);
const int16x8_t vacc =
vcombine_s16(vqmovn_s32(vacc_lo), vqmovn_s32(vacc_hi));
uint8x8_t vout = vqmovun_s16(vacc);
#endif
if (c & 4) {
vst1_lane_u32(
__builtin_assume_aligned(output, 1), vreinterpret_u32_u8(vout), 0);
output += 4;
vout = vext_u8(vout, vout, 4);
}
if (c & 2) {
vst1_lane_u16(
__builtin_assume_aligned(output, 1), vreinterpret_u16_u8(vout), 0);
output += 2;
vout = vext_u8(vout, vout, 2);
}
if (c & 1) {
vst1_lane_u8(__builtin_assume_aligned(output, 1), vout, 0);
output++;
}
}
output = (uint8_t*)((uintptr_t)output + output_increment);
} while (--output_width != 0);
}