// Auto-generated file. Do not edit!
//   Template: src/qs8-dwconv/unipass-neon-mul16.c.in
//   Generator: tools/xngen
//
// Copyright 2020 Google LLC
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.

#include <assert.h>

#include <arm_neon.h>

#include <xnnpack/dwconv.h>


void xnn_qs8_dwconv_minmax_ukernel_up8x9__neon_mul16(
    size_t channels,
    size_t output_width,
    const int8_t** input,
    const void* weights,
    int8_t* output,
    size_t input_stride,
    size_t output_increment,
    size_t input_offset,
    const int8_t* zero,
    const union xnn_qs8_gemm_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
{
  assert(channels != 0);
  assert(output_width != 0);

  const int32x4_t vmultiplier = vld1q_dup_s32(&params->neon.multiplier);
  const int32x4_t vright_shift = vld1q_dup_s32(&params->neon.right_shift);
  const int32x4_t vzero_shift_mask = vreinterpretq_s32_u32(vceqq_s32(vright_shift, vmovq_n_s32(0)));
  const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->neon.output_zero_point);
  const int8x8_t voutput_min = vld1_dup_s8(&params->neon.output_min);
  const int8x8_t voutput_max = vld1_dup_s8(&params->neon.output_max);
  do {
    const int8_t* i0 = input[0];
    assert(i0 != NULL);
    if XNN_UNPREDICTABLE(i0 != zero) {
      i0 = (const int8_t*) ((uintptr_t) i0 + input_offset);
    }
    const int8_t* i1 = input[1];
    assert(i1 != NULL);
    if XNN_UNPREDICTABLE(i1 != zero) {
      i1 = (const int8_t*) ((uintptr_t) i1 + input_offset);
    }
    const int8_t* i2 = input[2];
    assert(i2 != NULL);
    if XNN_UNPREDICTABLE(i2 != zero) {
      i2 = (const int8_t*) ((uintptr_t) i2 + input_offset);
    }
    const int8_t* i3 = input[3];
    assert(i3 != NULL);
    if XNN_UNPREDICTABLE(i3 != zero) {
      i3 = (const int8_t*) ((uintptr_t) i3 + input_offset);
    }
    const int8_t* i4 = input[4];
    assert(i4 != NULL);
    if XNN_UNPREDICTABLE(i4 != zero) {
      i4 = (const int8_t*) ((uintptr_t) i4 + input_offset);
    }
    const int8_t* i5 = input[5];
    assert(i5 != NULL);
    if XNN_UNPREDICTABLE(i5 != zero) {
      i5 = (const int8_t*) ((uintptr_t) i5 + input_offset);
    }
    const int8_t* i6 = input[6];
    assert(i6 != NULL);
    if XNN_UNPREDICTABLE(i6 != zero) {
      i6 = (const int8_t*) ((uintptr_t) i6 + input_offset);
    }
    const int8_t* i7 = input[7];
    assert(i7 != NULL);
    if XNN_UNPREDICTABLE(i7 != zero) {
      i7 = (const int8_t*) ((uintptr_t) i7 + input_offset);
    }
    const int8_t* i8 = input[8];
    assert(i8 != NULL);
    if XNN_UNPREDICTABLE(i8 != zero) {
      i8 = (const int8_t*) ((uintptr_t) i8 + input_offset);
    }
    input = (const int8_t**) ((uintptr_t) input + input_stride);

    size_t c = channels;
    const void* w = weights;
    for (; c >= 8; c -= 8) {
      int32x4_t vacc0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
      int32x4_t vacc4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));


      const int16x8_t vi0x01234567 = vmovl_s8(vld1_s8(i0)); i0 += 8;
      const int16x8_t vk0x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));

      vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi0x01234567), vget_low_s16(vk0x01234567));
      vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi0x01234567), vget_high_s16(vk0x01234567));

      const int16x8_t vi1x01234567 = vmovl_s8(vld1_s8(i1)); i1 += 8;
      const int16x8_t vk1x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));

      vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi1x01234567), vget_low_s16(vk1x01234567));
      vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi1x01234567), vget_high_s16(vk1x01234567));

      const int16x8_t vi2x01234567 = vmovl_s8(vld1_s8(i2)); i2 += 8;
      const int16x8_t vk2x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));

      vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi2x01234567), vget_low_s16(vk2x01234567));
      vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi2x01234567), vget_high_s16(vk2x01234567));

      const int16x8_t vi3x01234567 = vmovl_s8(vld1_s8(i3)); i3 += 8;
      const int16x8_t vk3x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));

      vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi3x01234567), vget_low_s16(vk3x01234567));
      vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi3x01234567), vget_high_s16(vk3x01234567));

      const int16x8_t vi4x01234567 = vmovl_s8(vld1_s8(i4)); i4 += 8;
      const int16x8_t vk4x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));

      vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi4x01234567), vget_low_s16(vk4x01234567));
      vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi4x01234567), vget_high_s16(vk4x01234567));

      const int16x8_t vi5x01234567 = vmovl_s8(vld1_s8(i5)); i5 += 8;
      const int16x8_t vk5x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));

      vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi5x01234567), vget_low_s16(vk5x01234567));
      vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi5x01234567), vget_high_s16(vk5x01234567));

      const int16x8_t vi6x01234567 = vmovl_s8(vld1_s8(i6)); i6 += 8;
      const int16x8_t vk6x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));

      vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi6x01234567), vget_low_s16(vk6x01234567));
      vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi6x01234567), vget_high_s16(vk6x01234567));

      const int16x8_t vi7x01234567 = vmovl_s8(vld1_s8(i7)); i7 += 8;
      const int16x8_t vk7x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));

      vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi7x01234567), vget_low_s16(vk7x01234567));
      vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi7x01234567), vget_high_s16(vk7x01234567));

      const int16x8_t vi8x01234567 = vmovl_s8(vld1_s8(i8)); i8 += 8;
      const int16x8_t vk8x01234567 = vmovl_s8(vld1_s8(w)); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));

      vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi8x01234567), vget_low_s16(vk8x01234567));
      vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi8x01234567), vget_high_s16(vk8x01234567));

      vacc0123 = vqrdmulhq_s32(vacc0123, vmultiplier);
      vacc4567 = vqrdmulhq_s32(vacc4567, vmultiplier);

      vacc0123 = vsraq_n_s32(vacc0123, vbicq_s32(vacc0123, vzero_shift_mask), 31);
      vacc4567 = vsraq_n_s32(vacc4567, vbicq_s32(vacc4567, vzero_shift_mask), 31);

      vacc0123 = vrshlq_s32(vacc0123, vright_shift);
      vacc4567 = vrshlq_s32(vacc4567, vright_shift);

#if XNN_ARCH_ARM64
      const int16x8_t vacc01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0123), vacc4567), voutput_zero_point);

      int8x8_t vout01234567 = vqmovn_s16(vacc01234567);
#else
      const int16x8_t vacc01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567)), voutput_zero_point);

      int8x8_t vout01234567 = vqmovn_s16(vacc01234567);
#endif

      vout01234567 = vmax_s8(vout01234567, voutput_min);

      vout01234567 = vmin_s8(vout01234567, voutput_max);

      vst1_s8(output, vout01234567); output += 8;
    }
    if XNN_UNLIKELY(c != 0) {
      {
        int32x4_t vacc0123 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
        int32x4_t vacc4567 = vld1q_s32(w); w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));

        const int16x8_t vi0x01234567 = vmovl_s8(vld1_s8(i0));
        const int16x8_t vk0x01234567 = vmovl_s8(vld1_s8(w));

        vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi0x01234567), vget_low_s16(vk0x01234567));
        vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi0x01234567), vget_high_s16(vk0x01234567));
        const int16x8_t vi1x01234567 = vmovl_s8(vld1_s8(i1));
        const int16x8_t vk1x01234567 = vmovl_s8(vld1_s8((const void*) ((uintptr_t) w + 8 * sizeof(int8_t))));

        vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi1x01234567), vget_low_s16(vk1x01234567));
        vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi1x01234567), vget_high_s16(vk1x01234567));
        const int16x8_t vi2x01234567 = vmovl_s8(vld1_s8(i2));
        const int16x8_t vk2x01234567 = vmovl_s8(vld1_s8((const void*) ((uintptr_t) w + 16 * sizeof(int8_t))));

        vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi2x01234567), vget_low_s16(vk2x01234567));
        vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi2x01234567), vget_high_s16(vk2x01234567));
        const int16x8_t vi3x01234567 = vmovl_s8(vld1_s8(i3));
        const int16x8_t vk3x01234567 = vmovl_s8(vld1_s8((const void*) ((uintptr_t) w + 24 * sizeof(int8_t))));

        vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi3x01234567), vget_low_s16(vk3x01234567));
        vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi3x01234567), vget_high_s16(vk3x01234567));
        const int16x8_t vi4x01234567 = vmovl_s8(vld1_s8(i4));
        const int16x8_t vk4x01234567 = vmovl_s8(vld1_s8((const void*) ((uintptr_t) w + 32 * sizeof(int8_t))));

        vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi4x01234567), vget_low_s16(vk4x01234567));
        vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi4x01234567), vget_high_s16(vk4x01234567));
        const int16x8_t vi5x01234567 = vmovl_s8(vld1_s8(i5));
        const int16x8_t vk5x01234567 = vmovl_s8(vld1_s8((const void*) ((uintptr_t) w + 40 * sizeof(int8_t))));

        vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi5x01234567), vget_low_s16(vk5x01234567));
        vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi5x01234567), vget_high_s16(vk5x01234567));
        const int16x8_t vi6x01234567 = vmovl_s8(vld1_s8(i6));
        const int16x8_t vk6x01234567 = vmovl_s8(vld1_s8((const void*) ((uintptr_t) w + 48 * sizeof(int8_t))));

        vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi6x01234567), vget_low_s16(vk6x01234567));
        vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi6x01234567), vget_high_s16(vk6x01234567));
        const int16x8_t vi7x01234567 = vmovl_s8(vld1_s8(i7));
        const int16x8_t vk7x01234567 = vmovl_s8(vld1_s8((const void*) ((uintptr_t) w + 56 * sizeof(int8_t))));

        vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi7x01234567), vget_low_s16(vk7x01234567));
        vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi7x01234567), vget_high_s16(vk7x01234567));
        const int16x8_t vi8x01234567 = vmovl_s8(vld1_s8(i8));
        const int16x8_t vk8x01234567 = vmovl_s8(vld1_s8((const void*) ((uintptr_t) w + 64 * sizeof(int8_t))));

        vacc0123 = vmlal_s16(vacc0123, vget_low_s16(vi8x01234567), vget_low_s16(vk8x01234567));
        vacc4567 = vmlal_s16(vacc4567, vget_high_s16(vi8x01234567), vget_high_s16(vk8x01234567));

        vacc0123 = vqrdmulhq_s32(vacc0123, vmultiplier);
        vacc4567 = vqrdmulhq_s32(vacc4567, vmultiplier);

        vacc0123 = vsraq_n_s32(vacc0123, vbicq_s32(vacc0123, vzero_shift_mask), 31);
        vacc4567 = vsraq_n_s32(vacc4567, vbicq_s32(vacc4567, vzero_shift_mask), 31);

        vacc0123 = vrshlq_s32(vacc0123, vright_shift);
        vacc4567 = vrshlq_s32(vacc4567, vright_shift);

#if XNN_ARCH_ARM64
        const int16x8_t vacc01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0123), vacc4567), voutput_zero_point);

        int8x8_t vout01234567 = vqmovn_s16(vacc01234567);
#else
        const int16x8_t vacc01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567)), voutput_zero_point);

        int8x8_t vout01234567 = vqmovn_s16(vacc01234567);
#endif

        vout01234567 = vmax_s8(vout01234567, voutput_min);
        vout01234567 = vmin_s8(vout01234567, voutput_max);

        if (c & 4) {
          vst1_lane_u32(__builtin_assume_aligned(output, 1), vreinterpret_u32_s8(vout01234567), 0); output += 4;
          vout01234567 = vext_s8(vout01234567, vout01234567, 4);
        }
        if (c & 2) {
          vst1_lane_u16(__builtin_assume_aligned(output, 1), vreinterpret_u16_s8(vout01234567), 0); output += 2;
          vout01234567 = vext_s8(vout01234567, vout01234567, 2);
        }
        if (c & 1) {
          vst1_lane_s8(output, vout01234567, 0); output += 1;
        }
      }
    }

    output = (int8_t*) ((uintptr_t) output + output_increment);
  } while (--output_width != 0);
}