text: // Auto-generated file. Do not edit!
  //   Template: src/qs8-vaddc/neon.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/vadd.h>
  
  
  void xnn_qs8_vaddc_minmax_ukernel__neon_ld64_x24(
      size_t n,
      const int8_t* input_a,
      const int8_t* input_b,
      int8_t* output,
      const union xnn_qs8_add_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN XNN_DISABLE_MSAN
  {
    const int8x8_t va_zero_point = vld1_dup_s8(&params->neon.a_zero_point);
    const int32x4_t va_multiplier = vld1q_dup_s32(&params->neon.a_multiplier);
    const int32x4_t vright_shift = vld1q_dup_s32(&params->neon.right_shift);
    const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->neon.output_zero_point);
    const int8x16_t voutput_min = vld1q_dup_s8(&params->neon.output_min);
    const int8x16_t voutput_max = vld1q_dup_s8(&params->neon.output_max);
  
    const int32_t vxb = (int32_t) *input_b - (int32_t) params->neon.b_zero_point;
    const int32_t vb = params->neon.b_multiplier;
    const int32x4_t vbias = vdupq_n_s32(vxb * vb);
  
    for (; n >= 24 * sizeof(int8_t); n -= 24 * sizeof(int8_t)) {
      const int8x8_t va01234567 = vld1_s8(input_a); input_a += 8;
      const int8x8_t va89ABCDEF = vld1_s8(input_a); input_a += 8;
      const int8x8_t vaGHIJKLMN = vld1_s8(input_a); input_a += 8;
  
      const int16x8_t vxa01234567 = vsubl_s8(va01234567, va_zero_point);
      const int16x8_t vxa89ABCDEF = vsubl_s8(va89ABCDEF, va_zero_point);
      const int16x8_t vxaGHIJKLMN = vsubl_s8(vaGHIJKLMN, va_zero_point);
  
      int32x4_t vacc0123 = vmlaq_s32(vbias, vmovl_s16(vget_low_s16(vxa01234567)), va_multiplier);
      int32x4_t vacc4567 = vmlaq_s32(vbias, vmovl_s16(vget_high_s16(vxa01234567)), va_multiplier);
      int32x4_t vacc89AB = vmlaq_s32(vbias, vmovl_s16(vget_low_s16(vxa89ABCDEF)), va_multiplier);
      int32x4_t vaccCDEF = vmlaq_s32(vbias, vmovl_s16(vget_high_s16(vxa89ABCDEF)), va_multiplier);
      int32x4_t vaccGHIJ = vmlaq_s32(vbias, vmovl_s16(vget_low_s16(vxaGHIJKLMN)), va_multiplier);
      int32x4_t vaccKLMN = vmlaq_s32(vbias, vmovl_s16(vget_high_s16(vxaGHIJKLMN)), va_multiplier);
  
      vacc0123 = vrshlq_s32(vacc0123, vright_shift);
      vacc4567 = vrshlq_s32(vacc4567, vright_shift);
      vacc89AB = vrshlq_s32(vacc89AB, vright_shift);
      vaccCDEF = vrshlq_s32(vaccCDEF, vright_shift);
      vaccGHIJ = vrshlq_s32(vaccGHIJ, vright_shift);
      vaccKLMN = vrshlq_s32(vaccKLMN, vright_shift);
  
      const int16x8_t vacc01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567)), voutput_zero_point);
      const int16x8_t vacc89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc89AB), vqmovn_s32(vaccCDEF)), voutput_zero_point);
      const int16x8_t vaccGHIJKLMN = vqaddq_s16(vcombine_s16(vqmovn_s32(vaccGHIJ), vqmovn_s32(vaccKLMN)), voutput_zero_point);
  
      int8x16_t vout0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc01234567), vqmovn_s16(vacc89ABCDEF));
      int8x8_t voutGHIJKLMN = vqmovn_s16(vaccGHIJKLMN);
  
      vout0123456789ABCDEF = vmaxq_s8(vout0123456789ABCDEF, voutput_min);
      voutGHIJKLMN = vmax_s8(voutGHIJKLMN, vget_low_s8(voutput_min));
  
      vout0123456789ABCDEF = vminq_s8(vout0123456789ABCDEF, voutput_max);
      voutGHIJKLMN = vmin_s8(voutGHIJKLMN, vget_low_s8(voutput_max));
  
      vst1q_s8(output, vout0123456789ABCDEF); output += 16;
      vst1_s8(output, voutGHIJKLMN); output += 8;
    }
    if XNN_UNLIKELY(n != 0) {
      do {
        const int8x8_t va01234567 = vld1_s8(input_a); input_a += 8;
  
        const int16x8_t vxa01234567 = vsubl_s8(va01234567, va_zero_point);
  
        int32x4_t vacc0123 = vmlaq_s32(vbias, vmovl_s16(vget_low_s16(vxa01234567)), va_multiplier);
        int32x4_t vacc4567 = vmlaq_s32(vbias, vmovl_s16(vget_high_s16(vxa01234567)), va_multiplier);
  
        vacc0123 = vrshlq_s32(vacc0123, vright_shift);
        vacc4567 = vrshlq_s32(vacc4567, vright_shift);
  
        const int16x8_t vacc01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567)), voutput_zero_point);
  
        int8x8_t vout01234567 = vqmovn_s16(vacc01234567);
        vout01234567 = vmax_s8(vout01234567, vget_low_s8(voutput_min));
        vout01234567 = vmin_s8(vout01234567, vget_low_s8(voutput_max));
  
        if XNN_LIKELY(n >= (8 * sizeof(int8_t))) {
          vst1_s8(output, vout01234567); output += 8;
          n -= 8 * sizeof(int8_t);
        } else {
          if (n & (4 * sizeof(int8_t))) {
            vst1_lane_u32(__builtin_assume_aligned(output, 1), vreinterpret_u32_s8(vout01234567), 0); output += 4;
            vout01234567 = vext_s8(vout01234567, vout01234567, 4);
          }
          if (n & (2 * sizeof(int8_t))) {
            vst1_lane_u16(__builtin_assume_aligned(output, 1), vreinterpret_u16_s8(vout01234567), 0); output += 2;
            vout01234567 = vext_s8(vout01234567, vout01234567, 2);
          }
          if (n & (1 * sizeof(int8_t))) {
            vst1_lane_s8(output, vout01234567, 0);
          }
          n = 0;
        }
      } while (n != 0);
    }
  }
  