text: // Auto-generated file. Do not edit!
  //   Template: src/qs8-gemm/MRx4c2-sse.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>
  
  #if defined(__GNUC__) || defined(__clang__)
    #include <x86intrin.h>
  #else
    #include <immintrin.h>
    #include <ammintrin.h>
  #endif
  
  #include <xnnpack/gemm.h>
  #include <xnnpack/math.h>
  
  
  
  void xnn_qc8_gemm_minmax_fp32_ukernel_4x4c2__xop_ld128(
      size_t mr,
      size_t nc,
      size_t kc,
      const int8_t* restrict a,
      size_t a_stride,
      const void* restrict w,
      int8_t* restrict c,
      size_t cm_stride,
      size_t cn_stride,
      const union xnn_qs8_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
  {
    assert(mr != 0);
    assert(mr <= 4);
    assert(nc != 0);
    assert(kc != 0);
    assert(kc % sizeof(int8_t) == 0);
    assert(a != NULL);
    assert(w != NULL);
    assert(c != NULL);
  
    kc = round_up_po2(kc, 2);
    const int8_t* a0 = a;
    int8_t* c0 = c;
    const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
    int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
    if XNN_UNPREDICTABLE(mr < 2) {
      a1 = a0;
      c1 = c0;
    }
    const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride);
    int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
    if XNN_UNPREDICTABLE(mr <= 2) {
      a2 = a1;
      c2 = c1;
    }
    const int8_t* a3 = (const int8_t*) ((uintptr_t) a2 + a_stride);
    int8_t* c3 = (int8_t*) ((uintptr_t) c2 + cm_stride);
    if XNN_UNPREDICTABLE(mr != 4) {
      a3 = a2;
      c3 = c2;
    }
  
    do {
      __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w);
      __m128i vacc1x0123 = vacc0x0123;
      __m128i vacc2x0123 = vacc0x0123;
      __m128i vacc3x0123 = vacc0x0123;
      w = (const void*) ((const int32_t*) w + 4);
  
      size_t k = kc;
      while (k >= 8 * sizeof(int8_t)) {
        const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
        const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
        a0 += 8;
        const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
        const __m128i vxa1 = _mm_cvtepi8_epi16(va1);
        a1 += 8;
        const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
        const __m128i vxa2 = _mm_cvtepi8_epi16(va2);
        a2 += 8;
        const __m128i va3 = _mm_loadl_epi64((const __m128i*) a3);
        const __m128i vxa3 = _mm_cvtepi8_epi16(va3);
        a3 += 8;
  
        const __m128i vb01 = _mm_loadu_si128((const __m128i*) w);
        const __m128i vxb0 = _mm_cvtepi8_epi16(vb01);
        const __m128i vxb1 = _mm_srai_epi16(_mm_unpackhi_epi8(vb01, vb01), 8);
  
        vacc0x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc0x0123);
        vacc1x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc1x0123);
        vacc2x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc2x0123);
        vacc3x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc3x0123);
  
        vacc0x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc0x0123);
        vacc1x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc1x0123);
        vacc2x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc2x0123);
        vacc3x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc3x0123);
        const __m128i vb23 = _mm_loadu_si128((const __m128i*) ((const int8_t*) w + 16));
        const __m128i vxb2 = _mm_cvtepi8_epi16(vb23);
        const __m128i vxb3 = _mm_srai_epi16(_mm_unpackhi_epi8(vb23, vb23), 8);
  
        vacc0x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc0x0123);
        vacc1x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc1x0123);
        vacc2x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc2x0123);
        vacc3x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc3x0123);
  
        vacc0x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(3, 3, 3, 3)), vxb3, vacc0x0123);
        vacc1x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(3, 3, 3, 3)), vxb3, vacc1x0123);
        vacc2x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(3, 3, 3, 3)), vxb3, vacc2x0123);
        vacc3x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(3, 3, 3, 3)), vxb3, vacc3x0123);
  
        w = (const void*) ((const int8_t*) w + 32);
        k -= 8 * sizeof(int8_t);
      }
      if (k != 0) {
        const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
        const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
        a0 = (const int8_t*) ((uintptr_t) a0 + k);
        const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
        const __m128i vxa1 = _mm_cvtepi8_epi16(va1);
        a1 = (const int8_t*) ((uintptr_t) a1 + k);
        const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
        const __m128i vxa2 = _mm_cvtepi8_epi16(va2);
        a2 = (const int8_t*) ((uintptr_t) a2 + k);
        const __m128i va3 = _mm_loadl_epi64((const __m128i*) a3);
        const __m128i vxa3 = _mm_cvtepi8_epi16(va3);
        a3 = (const int8_t*) ((uintptr_t) a3 + k);
  
        const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
        const __m128i vxb0 = _mm_cvtepi8_epi16(vb0);
        w = (const void*) ((const int8_t*) w + 8);
  
        vacc0x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc0x0123);
        vacc1x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc1x0123);
        vacc2x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc2x0123);
        vacc3x0123 = _mm_maddd_epi16(
          _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc3x0123);
  
        if (k > 2 * sizeof(int8_t)) {
          const __m128i vb1 = _mm_loadl_epi64((const __m128i*) w);
          const __m128i vxb1 = _mm_cvtepi8_epi16(vb1);
          w = (const void*) ((const int8_t*) w + 8);
  
          vacc0x0123 = _mm_maddd_epi16(
            _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc0x0123);
          vacc1x0123 = _mm_maddd_epi16(
            _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc1x0123);
          vacc2x0123 = _mm_maddd_epi16(
            _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc2x0123);
          vacc3x0123 = _mm_maddd_epi16(
            _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc3x0123);
  
          if (k > 4 * sizeof(int8_t)) {
            const __m128i vb2 = _mm_loadl_epi64((const __m128i*) w);
            const __m128i vxb2 = _mm_cvtepi8_epi16(vb2);
            w = (const void*) ((const int8_t*) w + 8);
  
            vacc0x0123 = _mm_maddd_epi16(
              _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc0x0123);
            vacc1x0123 = _mm_maddd_epi16(
              _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc1x0123);
            vacc2x0123 = _mm_maddd_epi16(
              _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc2x0123);
            vacc3x0123 = _mm_maddd_epi16(
              _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc3x0123);
          }
        }
      }
  
      __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
      __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
      __m128 vscaled2x0123 = _mm_cvtepi32_ps(vacc2x0123);
      __m128 vscaled3x0123 = _mm_cvtepi32_ps(vacc3x0123);
  
      const __m128 vscale0123 = _mm_loadu_ps((const float*) w);
      w = (const void*) ((const float*) w + 4);
      vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale0123);
      vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale0123);
      vscaled2x0123 = _mm_mul_ps(vscaled2x0123, vscale0123);
      vscaled3x0123 = _mm_mul_ps(vscaled3x0123, vscale0123);
  
      const __m128 voutput_max_less_zero_point = _mm_load_ps(params->sse4.output_max_less_zero_point);
      vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
      vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
      vscaled2x0123 = _mm_min_ps(vscaled2x0123, voutput_max_less_zero_point);
      vscaled3x0123 = _mm_min_ps(vscaled3x0123, voutput_max_less_zero_point);
  
      vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
      vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
      vacc2x0123 = _mm_cvtps_epi32(vscaled2x0123);
      vacc3x0123 = _mm_cvtps_epi32(vscaled3x0123);
  
      const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse4.output_zero_point);
      __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
      __m128i vacc23x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc3x0123), voutput_zero_point);
  
  
      __m128i vout = _mm_packs_epi16(vacc01x0123, vacc23x0123);
  
      vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->sse4.output_min));
  
      if (nc >= 4) {
        *((uint32_t*) c0) = (uint32_t) _mm_cvtsi128_si32(vout);
        *((uint32_t*) c1) = (uint32_t) _mm_extract_epi32(vout, 1);
        *((uint32_t*) c2) = (uint32_t) _mm_extract_epi32(vout, 2);
        *((uint32_t*) c3) = (uint32_t) _mm_extract_epi32(vout, 3);
  
        c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
        c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
        c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
        c3 = (int8_t*) ((uintptr_t) c3 + cn_stride);
  
        a0 = (const int8_t*) ((uintptr_t) a0 - kc);
        a1 = (const int8_t*) ((uintptr_t) a1 - kc);
        a2 = (const int8_t*) ((uintptr_t) a2 - kc);
        a3 = (const int8_t*) ((uintptr_t) a3 - kc);
  
        nc -= 4;
      } else {
        if (nc & 2) {
          *((uint16_t*) c0) = (uint16_t) _mm_extract_epi16(vout, 0);
          c0 += 2;
          *((uint16_t*) c1) = (uint16_t) _mm_extract_epi16(vout, 2);
          c1 += 2;
          *((uint16_t*) c2) = (uint16_t) _mm_extract_epi16(vout, 4);
          c2 += 2;
          *((uint16_t*) c3) = (uint16_t) _mm_extract_epi16(vout, 6);
          c3 += 2;
          vout = _mm_srli_epi32(vout, 16);
        }
        if (nc & 1) {
          *c0 = (int8_t) _mm_extract_epi8(vout, 0);
          *c1 = (int8_t) _mm_extract_epi8(vout, 4);
          *c2 = (int8_t) _mm_extract_epi8(vout, 8);
          *c3 = (int8_t) _mm_extract_epi8(vout, 12);
        }
  
        nc = 0;
      }
    } while (nc != 0);
  }
  