text: // Auto-generated file. Do not edit!
  //   Template: src/qs8-vadd/sse-mul16-ld64.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 <emmintrin.h>
  
  #include <xnnpack/vadd.h>
  
  
  void xnn_qs8_vadd_minmax_ukernel__sse2_mul16_ld64_x16(
      size_t n,
      const int8_t* input_x,
      const int8_t* input_y,
      int8_t* output,
      const union xnn_qs8_add_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
  {
    const __m128i vzero_point_product = _mm_load_si128((const __m128i*) params->sse2.zero_point_product);
    const __m128i vx_multiplier_lo = _mm_load_si128((const __m128i*) params->sse2.x_multiplier_lo);
    const __m128i vx_multiplier_hi = _mm_load_si128((const __m128i*) params->sse2.x_multiplier_hi);
    const __m128i vy_multiplier_lo = _mm_load_si128((const __m128i*) params->sse2.y_multiplier_lo);
    const __m128i vy_multiplier_hi = _mm_load_si128((const __m128i*) params->sse2.y_multiplier_hi);
    const __m128i vremainder_mask = _mm_load_si128((const __m128i*) params->sse2.remainder_mask);
    const __m128i vremainder_threshold = _mm_load_si128((const __m128i*) params->sse2.remainder_threshold);
    const __m128i vshift = _mm_cvtsi32_si128((int) params->sse2.shift);
    const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse2.output_zero_point);
    const __m128i voutput_min = _mm_load_si128((const __m128i*) params->sse2.output_min);
    const __m128i voutput_max = _mm_load_si128((const __m128i*) params->sse2.output_max);
  
    for (; n >= 16 * sizeof(int8_t); n -= 16 * sizeof(int8_t)) {
      __m128i vx01234567 = _mm_loadl_epi64((const __m128i*) input_x);
      __m128i vy01234567 = _mm_loadl_epi64((const __m128i*) input_y);
      __m128i vx89ABCDEF = _mm_loadl_epi64((const __m128i*) (input_x + 8));
      __m128i vy89ABCDEF = _mm_loadl_epi64((const __m128i*) (input_y + 8));
      input_x += 16;
      input_y += 16;
  
      vx01234567 = _mm_unpacklo_epi8(vx01234567, _mm_cmpgt_epi8(_mm_setzero_si128(), vx01234567));
      vy01234567 = _mm_unpacklo_epi8(vy01234567, _mm_cmpgt_epi8(_mm_setzero_si128(), vy01234567));
      vx89ABCDEF = _mm_unpacklo_epi8(vx89ABCDEF, _mm_cmpgt_epi8(_mm_setzero_si128(), vx89ABCDEF));
      vy89ABCDEF = _mm_unpacklo_epi8(vy89ABCDEF, _mm_cmpgt_epi8(_mm_setzero_si128(), vy89ABCDEF));
  
      __m128i vxprod01234567hi = _mm_mulhi_epu16(vx01234567, vx_multiplier_lo);
      __m128i vyprod01234567hi = _mm_mulhi_epu16(vy01234567, vy_multiplier_lo);
      const __m128i vxprod01234567lo = _mm_mullo_epi16(vx01234567, vx_multiplier_lo);
      const __m128i vyprod01234567lo = _mm_mullo_epi16(vy01234567, vy_multiplier_lo);
      __m128i vxprod89ABCDEFhi = _mm_mulhi_epu16(vx89ABCDEF, vx_multiplier_lo);
      __m128i vyprod89ABCDEFhi = _mm_mulhi_epu16(vy89ABCDEF, vy_multiplier_lo);
      const __m128i vxprod89ABCDEFlo = _mm_mullo_epi16(vx89ABCDEF, vx_multiplier_lo);
      const __m128i vyprod89ABCDEFlo = _mm_mullo_epi16(vy89ABCDEF, vy_multiplier_lo);
  
      vxprod01234567hi = _mm_add_epi16(vxprod01234567hi, _mm_mullo_epi16(vx01234567, vx_multiplier_hi));
      vyprod01234567hi = _mm_add_epi16(vyprod01234567hi, _mm_mullo_epi16(vy01234567, vy_multiplier_hi));
      vxprod89ABCDEFhi = _mm_add_epi16(vxprod89ABCDEFhi, _mm_mullo_epi16(vx89ABCDEF, vx_multiplier_hi));
      vyprod89ABCDEFhi = _mm_add_epi16(vyprod89ABCDEFhi, _mm_mullo_epi16(vy89ABCDEF, vy_multiplier_hi));
  
      vxprod01234567hi = _mm_sub_epi16(vxprod01234567hi, _mm_and_si128(_mm_srai_epi16(vx01234567, 15), vx_multiplier_lo));
      vyprod01234567hi = _mm_sub_epi16(vyprod01234567hi, _mm_and_si128(_mm_srai_epi16(vy01234567, 15), vy_multiplier_lo));
      vxprod89ABCDEFhi = _mm_sub_epi16(vxprod89ABCDEFhi, _mm_and_si128(_mm_srai_epi16(vx89ABCDEF, 15), vx_multiplier_lo));
      vyprod89ABCDEFhi = _mm_sub_epi16(vyprod89ABCDEFhi, _mm_and_si128(_mm_srai_epi16(vy89ABCDEF, 15), vy_multiplier_lo));
  
      __m128i vacc0123 = _mm_add_epi32(vzero_point_product, _mm_unpacklo_epi16(vxprod01234567lo, vxprod01234567hi));
      __m128i vacc4567 = _mm_add_epi32(vzero_point_product, _mm_unpackhi_epi16(vxprod01234567lo, vxprod01234567hi));
      __m128i vacc89AB = _mm_add_epi32(vzero_point_product, _mm_unpacklo_epi16(vxprod89ABCDEFlo, vxprod89ABCDEFhi));
      __m128i vaccCDEF = _mm_add_epi32(vzero_point_product, _mm_unpackhi_epi16(vxprod89ABCDEFlo, vxprod89ABCDEFhi));
  
      vacc0123 = _mm_add_epi32(vacc0123, _mm_unpacklo_epi16(vyprod01234567lo, vyprod01234567hi));
      vacc4567 = _mm_add_epi32(vacc4567, _mm_unpackhi_epi16(vyprod01234567lo, vyprod01234567hi));
      vacc89AB = _mm_add_epi32(vacc89AB, _mm_unpacklo_epi16(vyprod89ABCDEFlo, vyprod89ABCDEFhi));
      vaccCDEF = _mm_add_epi32(vaccCDEF, _mm_unpackhi_epi16(vyprod89ABCDEFlo, vyprod89ABCDEFhi));
  
      const __m128i vrem0123 = _mm_add_epi32(_mm_and_si128(vacc0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vacc0123));
      const __m128i vrem4567 = _mm_add_epi32(_mm_and_si128(vacc4567, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vacc4567));
      const __m128i vrem89AB = _mm_add_epi32(_mm_and_si128(vacc89AB, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vacc89AB));
      const __m128i vremCDEF = _mm_add_epi32(_mm_and_si128(vaccCDEF, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vaccCDEF));
  
      vacc0123 = _mm_sub_epi32(_mm_sra_epi32(vacc0123, vshift), _mm_cmpgt_epi32(vrem0123, vremainder_threshold));
      vacc4567 = _mm_sub_epi32(_mm_sra_epi32(vacc4567, vshift), _mm_cmpgt_epi32(vrem4567, vremainder_threshold));
      vacc89AB = _mm_sub_epi32(_mm_sra_epi32(vacc89AB, vshift), _mm_cmpgt_epi32(vrem89AB, vremainder_threshold));
      vaccCDEF = _mm_sub_epi32(_mm_sra_epi32(vaccCDEF, vshift), _mm_cmpgt_epi32(vremCDEF, vremainder_threshold));
  
      __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
      __m128i vout89ABCDEF = _mm_adds_epi16(_mm_packs_epi32(vacc89AB, vaccCDEF), voutput_zero_point);
  
      vout01234567 = _mm_max_epi16(vout01234567, voutput_min);
      vout89ABCDEF = _mm_max_epi16(vout89ABCDEF, voutput_min);
  
      vout01234567 = _mm_min_epi16(vout01234567, voutput_max);
      vout89ABCDEF = _mm_min_epi16(vout89ABCDEF, voutput_max);
  
      const __m128i vout0123456789ABCDEF = _mm_packs_epi16(vout01234567, vout89ABCDEF);
  
      _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
      output += 16;
    }
    if XNN_UNLIKELY(n != 0) {
      do {
        __m128i vx01234567 = _mm_loadl_epi64((const __m128i*) input_x);
        __m128i vy01234567 = _mm_loadl_epi64((const __m128i*) input_y);
        input_x += 8;
        input_y += 8;
  
        vx01234567 = _mm_unpacklo_epi8(vx01234567, _mm_cmpgt_epi8(_mm_setzero_si128(), vx01234567));
        vy01234567 = _mm_unpacklo_epi8(vy01234567, _mm_cmpgt_epi8(_mm_setzero_si128(), vy01234567));
  
        __m128i vxprod01234567hi = _mm_mulhi_epu16(vx01234567, vx_multiplier_lo);
        __m128i vyprod01234567hi = _mm_mulhi_epu16(vy01234567, vy_multiplier_lo);
        const __m128i vxprod01234567lo = _mm_mullo_epi16(vx01234567, vx_multiplier_lo);
        const __m128i vyprod01234567lo = _mm_mullo_epi16(vy01234567, vy_multiplier_lo);
  
        vxprod01234567hi = _mm_add_epi16(vxprod01234567hi, _mm_mullo_epi16(vx01234567, vx_multiplier_hi));
        vyprod01234567hi = _mm_add_epi16(vyprod01234567hi, _mm_mullo_epi16(vy01234567, vy_multiplier_hi));
  
        vxprod01234567hi = _mm_sub_epi16(vxprod01234567hi, _mm_and_si128(_mm_srai_epi16(vx01234567, 15), vx_multiplier_lo));
        vyprod01234567hi = _mm_sub_epi16(vyprod01234567hi, _mm_and_si128(_mm_srai_epi16(vy01234567, 15), vy_multiplier_lo));
  
        __m128i vacc0123 = _mm_add_epi32(vzero_point_product, _mm_unpacklo_epi16(vxprod01234567lo, vxprod01234567hi));
        __m128i vacc4567 = _mm_add_epi32(vzero_point_product, _mm_unpackhi_epi16(vxprod01234567lo, vxprod01234567hi));
  
        vacc0123 = _mm_add_epi32(vacc0123, _mm_unpacklo_epi16(vyprod01234567lo, vyprod01234567hi));
        vacc4567 = _mm_add_epi32(vacc4567, _mm_unpackhi_epi16(vyprod01234567lo, vyprod01234567hi));
  
        const __m128i vrem0123 = _mm_add_epi32(_mm_and_si128(vacc0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vacc0123));
        const __m128i vrem4567 = _mm_add_epi32(_mm_and_si128(vacc4567, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vacc4567));
  
        vacc0123 = _mm_sub_epi32(_mm_sra_epi32(vacc0123, vshift), _mm_cmpgt_epi32(vrem0123, vremainder_threshold));
        vacc4567 = _mm_sub_epi32(_mm_sra_epi32(vacc4567, vshift), _mm_cmpgt_epi32(vrem4567, vremainder_threshold));
  
        __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
        vout01234567 = _mm_max_epi16(vout01234567, voutput_min);
        vout01234567 = _mm_min_epi16(vout01234567, voutput_max);
  
        __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
  
        if XNN_LIKELY(n >= (8 * sizeof(int8_t))) {
          _mm_storel_epi64((__m128i*) output, vout0123456701234567);
          output += 8;
          n -= 8 * sizeof(int8_t);
        } else {
          if (n & (4 * sizeof(int8_t))) {
            *((uint32_t*) output) = (uint32_t) _mm_cvtsi128_si32(vout0123456701234567);
            vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
            output += 4;
          }
          if (n & (2 * sizeof(int8_t))) {
            *((uint16_t*) output) = (uint16_t) _mm_extract_epi16(vout0123456701234567, 0);
            vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
            output += 2;
          }
          if (n & (1 * sizeof(int8_t))) {
            *output = (int32_t) _mm_cvtsi128_si32(vout0123456701234567);
          }
          n = 0;
        }
      } while (n != 0);
    }
  }
  