text: // Auto-generated file. Do not edit!
  //   Template: src/qs8-vmul/sse-mul16-ld64.c.in
  //   Generator: tools/xngen
  //
  // Copyright 2021 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 <smmintrin.h>
  
  #include <xnnpack/vmul.h>
  
  
  void xnn_qu8_vmul_minmax_fp32_ukernel__sse41_mul16_ld64_x16(
      size_t n,
      const uint8_t* input_a,
      const uint8_t* input_b,
      uint8_t* output,
      const union xnn_qu8_mul_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
  
  {
    const __m128i va_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.a_zero_point);
    const __m128i vb_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.b_zero_point);
    const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale);
    const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
    const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse2.output_min);
    const __m128i voutput_max = _mm_load_si128((const __m128i*) params->fp32_sse2.output_max);
  
    for (; n >= 16 * sizeof(uint8_t); n -= 16 * sizeof(uint8_t)) {
      const __m128i va01234567 = _mm_cvtepu8_epi16(_mm_loadl_epi64((const __m128i*) input_a));
      const __m128i vb01234567 = _mm_cvtepu8_epi16(_mm_loadl_epi64((const __m128i*) input_b));
      const __m128i va89ABCDEF = _mm_cvtepu8_epi16(_mm_loadl_epi64((const __m128i*) (input_a + 8)));
      const __m128i vb89ABCDEF = _mm_cvtepu8_epi16(_mm_loadl_epi64((const __m128i*) (input_b + 8)));
      input_a += 16;
      input_b += 16;
  
  
      const __m128i vxa01234567 = _mm_sub_epi16(va01234567, va_zero_point);
      const __m128i vxb01234567 = _mm_sub_epi16(vb01234567, vb_zero_point);
      const __m128i vxa89ABCDEF = _mm_sub_epi16(va89ABCDEF, va_zero_point);
      const __m128i vxb89ABCDEF = _mm_sub_epi16(vb89ABCDEF, vb_zero_point);
  
      const __m128i vprod01234567lo = _mm_mullo_epi16(vxa01234567, vxb01234567);
      const __m128i vprod01234567hi = _mm_mulhi_epi16(vxa01234567, vxb01234567);
      const __m128i vprod89ABCDEFlo = _mm_mullo_epi16(vxa89ABCDEF, vxb89ABCDEF);
      const __m128i vprod89ABCDEFhi = _mm_mulhi_epi16(vxa89ABCDEF, vxb89ABCDEF);
  
      const __m128i vprod0123 = _mm_unpacklo_epi16(vprod01234567lo, vprod01234567hi);
      const __m128i vprod4567 = _mm_unpackhi_epi16(vprod01234567lo, vprod01234567hi);
      const __m128i vprod89AB = _mm_unpacklo_epi16(vprod89ABCDEFlo, vprod89ABCDEFhi);
      const __m128i vprodCDEF = _mm_unpackhi_epi16(vprod89ABCDEFlo, vprod89ABCDEFhi);
  
      __m128 vfpacc0123 = _mm_cvtepi32_ps(vprod0123);
      __m128 vfpacc4567 = _mm_cvtepi32_ps(vprod4567);
      __m128 vfpacc89AB = _mm_cvtepi32_ps(vprod89AB);
      __m128 vfpaccCDEF = _mm_cvtepi32_ps(vprodCDEF);
  
      vfpacc0123 = _mm_mul_ps(vfpacc0123, vscale);
      vfpacc4567 = _mm_mul_ps(vfpacc4567, vscale);
      vfpacc89AB = _mm_mul_ps(vfpacc89AB, vscale);
      vfpaccCDEF = _mm_mul_ps(vfpaccCDEF, vscale);
  
      const __m128i vacc0123 = _mm_cvtps_epi32(vfpacc0123);
      const __m128i vacc4567 = _mm_cvtps_epi32(vfpacc4567);
      const __m128i vacc89AB = _mm_cvtps_epi32(vfpacc89AB);
      const __m128i vaccCDEF = _mm_cvtps_epi32(vfpaccCDEF);
  
      __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);
  
  
      __m128i vout0123456789ABCDEF = _mm_packus_epi16(vout01234567, vout89ABCDEF);
  
      vout0123456789ABCDEF = _mm_max_epu8(vout0123456789ABCDEF, voutput_min);
  
      vout0123456789ABCDEF = _mm_min_epu8(vout0123456789ABCDEF, voutput_max);
  
      _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
      output += 16;
    }
    if XNN_UNLIKELY(n != 0) {
      do {
        const __m128i va01234567 = _mm_cvtepu8_epi16(_mm_loadl_epi64((const __m128i*) input_a));
        const __m128i vb01234567 = _mm_cvtepu8_epi16(_mm_loadl_epi64((const __m128i*) input_b));
        input_a += 8;
        input_b += 8;
  
  
        const __m128i vxa01234567 = _mm_sub_epi16(va01234567, va_zero_point);
        const __m128i vxb01234567 = _mm_sub_epi16(vb01234567, vb_zero_point);
  
        const __m128i vprod01234567lo = _mm_mullo_epi16(vxa01234567, vxb01234567);
        const __m128i vprod01234567hi = _mm_mulhi_epi16(vxa01234567, vxb01234567);
  
        const __m128i vprod0123 = _mm_unpacklo_epi16(vprod01234567lo, vprod01234567hi);
        const __m128i vprod4567 = _mm_unpackhi_epi16(vprod01234567lo, vprod01234567hi);
  
        __m128 vfpacc0123 = _mm_cvtepi32_ps(vprod0123);
        __m128 vfpacc4567 = _mm_cvtepi32_ps(vprod4567);
  
        vfpacc0123 = _mm_mul_ps(vfpacc0123, vscale);
        vfpacc4567 = _mm_mul_ps(vfpacc4567, vscale);
  
        const __m128i vacc0123 = _mm_cvtps_epi32(vfpacc0123);
        const __m128i vacc4567 = _mm_cvtps_epi32(vfpacc4567);
  
        __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
  
        __m128i vout0123456701234567 = _mm_packus_epi16(vout01234567, vout01234567);
        vout0123456701234567 = _mm_max_epu8(vout0123456701234567, voutput_min);
        vout0123456701234567 = _mm_min_epu8(vout0123456701234567, voutput_max);
  
        if XNN_LIKELY(n >= (8 * sizeof(uint8_t))) {
          _mm_storel_epi64((__m128i*) output, vout0123456701234567);
          output += 8;
          n -= 8 * sizeof(uint8_t);
        } else {
          if (n & (4 * sizeof(uint8_t))) {
            *((uint32_t*) output) = (uint32_t) _mm_cvtsi128_si32(vout0123456701234567);
            vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
            output += 4;
          }
          if (n & (2 * sizeof(uint8_t))) {
            *((uint16_t*) output) = (uint16_t) _mm_extract_epi16(vout0123456701234567, 0);
            vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
            output += 2;
          }
          if (n & (1 * sizeof(uint8_t))) {
            *output = (uint8_t) _mm_extract_epi8(vout0123456701234567, 0);
          }
          n = 0;
        }
      } while (n != 0);
    }
  }
  