in aten/src/ATen/native/quantized/cpu/qnnpack/src/q8dwconv/mp8x27-neon.c [27:1044]
void pytorch_q8dwconv_ukernel_mp8x27__neon(
size_t channels,
size_t output_height,
size_t output_width,
const uint8_t** input,
const void* weights,
int32_t* outacc32,
uint8_t* output,
size_t input_row_stride, // Stride between rows in the indirection buffer
size_t input_col_stride, // Stride between columns in the indirection buffer
size_t
output_increment, // Padding between output pixels in the output buffer
const union pytorch_qnnp_conv_quantization_params
quantization_params[restrict static 1]) {
const uint8x8_t vinput_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
for (size_t output_y = 0; output_y < output_height; output_y++) {
const uint8_t** input_row_start = input;
for (size_t output_x = 0; output_x < output_width; output_x++) {
uint8_t* output_start = output;
int32_t* outacc = outacc32;
const void* w = weights;
{
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];
size_t c = channels;
const uint8_t* kernel_zero_points_ptr =
quantization_params->neon.kernel_zero_points + channels;
for (; c >= 8; c -= 8) {
const uint8x8_t vkernel_zero_point =
vld1_u8(kernel_zero_points_ptr - 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 += 8;
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(vsubl_u8(vi0, vinput_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 += 8;
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(vsubl_u8(vi1, vinput_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 += 8;
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(vsubl_u8(vi2, vinput_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 += 8;
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(vsubl_u8(vi3, vinput_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(vsubl_u8(vi4, vinput_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(vsubl_u8(vi5, vinput_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(vsubl_u8(vi6, vinput_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(vsubl_u8(vi7, vinput_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(vsubl_u8(vi8, vinput_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);
vst1q_s32(outacc, vacc_lo);
outacc += 4;
vst1q_s32(outacc, vacc_hi);
outacc += 4;
}
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(vsubl_u8(vi0, vinput_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(vsubl_u8(vi1, vinput_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(vsubl_u8(vi2, vinput_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(vsubl_u8(vi3, vinput_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(vsubl_u8(vi4, vinput_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(vsubl_u8(vi5, vinput_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(vsubl_u8(vi6, vinput_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(vsubl_u8(vi7, vinput_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 = 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(vsubl_u8(vi8, vinput_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);
vst1q_s32(outacc, vacc_lo);
outacc += 4;
vst1q_s32(outacc, vacc_hi);
outacc += 4;
}
}
{
const uint8_t* i0 = input[9];
const uint8_t* i1 = input[10];
const uint8_t* i2 = input[11];
const uint8_t* i3 = input[12];
const uint8_t* i4 = input[13];
const uint8_t* i5 = input[14];
const uint8_t* i6 = input[15];
const uint8_t* i7 = input[16];
const uint8_t* i8 = input[17];
output = output_start;
outacc = outacc32;
size_t c = channels;
const uint8_t* kernel_zero_points_ptr =
quantization_params->neon.kernel_zero_points + channels;
for (; c >= 8; c -= 8) {
const uint8x8_t vkernel_zero_point =
vld1_u8(kernel_zero_points_ptr - c);
const uint8x8_t vk0 = vld1_u8(w);
w += 8;
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(vsubl_u8(vi0, vinput_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 += 8;
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(vsubl_u8(vi1, vinput_zero_point));
int32x4_t vaccX1_lo =
vmull_s16(vget_low_s16(vxk1), vget_low_s16(vxi1));
int32x4_t vaccX1_hi =
vmull_s16(vget_high_s16(vxk1), vget_high_s16(vxi1));
const uint8x8_t vk2 = vld1_u8(w);
w += 8;
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(vsubl_u8(vi2, vinput_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 += 8;
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(vsubl_u8(vi3, vinput_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(vsubl_u8(vi4, vinput_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(vsubl_u8(vi5, vinput_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(vsubl_u8(vi6, vinput_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(vsubl_u8(vi7, vinput_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(vsubl_u8(vi8, vinput_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 int32x4_t vacc_lo_old = vld1q_s32(outacc);
const int32x4_t vacc_hi_old = vld1q_s32(outacc + 4);
vacc_lo = vaddq_s32(vacc_lo, vacc_lo_old);
vacc_hi = vaddq_s32(vacc_hi, vacc_hi_old);
vst1q_s32(outacc, vacc_lo);
outacc += 4;
vst1q_s32(outacc, vacc_hi);
outacc += 4;
}
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]);
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(vsubl_u8(vi0, vinput_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(vsubl_u8(vi1, vinput_zero_point));
int32x4_t vaccX1_lo =
vmull_s16(vget_low_s16(vxk1), vget_low_s16(vxi1));
int32x4_t vaccX1_hi =
vmull_s16(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(vsubl_u8(vi2, vinput_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(vsubl_u8(vi3, vinput_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(vsubl_u8(vi4, vinput_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(vsubl_u8(vi5, vinput_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(vsubl_u8(vi6, vinput_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(vsubl_u8(vi7, vinput_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 = 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(vsubl_u8(vi8, vinput_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 int32x4_t vacc_lo_old = vld1q_s32(outacc);
const int32x4_t vacc_hi_old = vld1q_s32(outacc + 4);
vacc_lo = vaddq_s32(vacc_lo, vacc_lo_old);
vacc_hi = vaddq_s32(vacc_hi, vacc_hi_old);
vst1q_s32(outacc, vacc_lo);
outacc += 4;
vst1q_s32(outacc, vacc_hi);
outacc += 4;
}
}
{
const uint8_t* i0 = input[18];
const uint8_t* i1 = input[19];
const uint8_t* i2 = input[20];
const uint8_t* i3 = input[21];
const uint8_t* i4 = input[22];
const uint8_t* i5 = input[23];
const uint8_t* i6 = input[24];
const uint8_t* i7 = input[25];
const uint8_t* i8 = input[26];
input = (const uint8_t**)((uintptr_t)input + input_col_stride);
output = output_start;
outacc = outacc32;
size_t c = channels;
const uint8_t* kernel_zero_points_ptr =
quantization_params->neon.kernel_zero_points + channels;
const float* requantization_scales_ptr =
quantization_params->neon.requantization_scales + channels;
for (; c >= 8; c -= 8) {
const uint8x8_t vkernel_zero_point =
vld1_u8(kernel_zero_points_ptr - c);
const uint8x8_t vk0 = vld1_u8(w);
w += 8;
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(vsubl_u8(vi0, vinput_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 += 8;
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(vsubl_u8(vi1, vinput_zero_point));
int32x4_t vaccX1_lo =
vmull_s16(vget_low_s16(vxk1), vget_low_s16(vxi1));
int32x4_t vaccX1_hi =
vmull_s16(vget_high_s16(vxk1), vget_high_s16(vxi1));
const uint8x8_t vk2 = vld1_u8(w);
w += 8;
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(vsubl_u8(vi2, vinput_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 += 8;
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(vsubl_u8(vi3, vinput_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(vsubl_u8(vi4, vinput_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(vsubl_u8(vi5, vinput_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(vsubl_u8(vi6, vinput_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(vsubl_u8(vi7, vinput_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(vsubl_u8(vi8, vinput_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 int32x4_t vacc_lo_old = vld1q_s32(outacc);
outacc += 4;
const int32x4_t vacc_hi_old = vld1q_s32(outacc);
outacc += 4;
vacc_lo = vaddq_s32(vacc_lo, vacc_lo_old);
vacc_hi = vaddq_s32(vacc_hi, vacc_hi_old);
const float32x4_t requantization_scale_v_lo =
vld1q_f32(requantization_scales_ptr - c);
const float32x4_t requantization_scale_v_hi =
vld1q_f32(requantization_scales_ptr - 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]);
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(vsubl_u8(vi0, vinput_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(vsubl_u8(vi1, vinput_zero_point));
int32x4_t vaccX1_lo =
vmull_s16(vget_low_s16(vxk1), vget_low_s16(vxi1));
int32x4_t vaccX1_hi =
vmull_s16(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(vsubl_u8(vi2, vinput_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(vsubl_u8(vi3, vinput_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(vsubl_u8(vi4, vinput_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(vsubl_u8(vi5, vinput_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(vsubl_u8(vi6, vinput_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(vsubl_u8(vi7, vinput_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 = 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(vsubl_u8(vi8, vinput_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 int32x4_t vacc_lo_old = vld1q_s32(outacc);
const int32x4_t vacc_hi_old = vld1q_s32(outacc + 4);
vacc_lo = vaddq_s32(vacc_lo, vacc_lo_old);
vacc_hi = vaddq_s32(vacc_hi, vacc_hi_old);
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);
}
input = (const uint8_t**)((uintptr_t)input_row_start + input_row_stride);
}
}