src/qs8-dwconv/up-sse-mul16.c.in - platform/external/XNNPACK - Git at Google

 // 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.

 $ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
 $SSE_HEADER = {2: "emmintrin.h", 3: "tmmintrin.h", 4: "smmintrin.h", 5: "ammintrin.h"}[SSE]
 $assert CHANNEL_TILE % 8 == 0
 $assert CHANNEL_TILE >= 8
 $assert KERNEL_TILE >= 2
 #include <assert.h>

 $if SSE == 5:
   #ifdef __GNUC__
     #include <x86intrin.h>
   #else
     #include <immintrin.h>
     #include <${SSE_HEADER}>
   #endif
 $else:
   #include <${SSE_HEADER}>

 #include <xnnpack/dwconv.h>


 $ISA = {2: "sse2", 3: "ssse3", 4: "sse41", 5: "xop"}[SSE]
 void xnn_qs8_dwconv_minmax_ukernel_up${CHANNEL_TILE}x${KERNEL_TILE}__${ISA}_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);

   do {
     $for K in range(KERNEL_TILE):
       const int8_t* i${K} = input[${K}];
       assert(i${K} != NULL);
       if XNN_UNPREDICTABLE(i${K} != zero) {
         i${K} = (const int8_t*) ((uintptr_t) i${K} + input_offset);
       }
     input = (const int8_t**) ((uintptr_t) input + input_stride);

     size_t c = channels;
     const int8_t* w = weights;
     for (; c >= ${CHANNEL_TILE}; c -= ${CHANNEL_TILE}) {
       __m128i vacc${ABC[0:4]} = _mm_loadu_si128((const __m128i*) w);
       $for C in range(4, CHANNEL_TILE, 4):
         __m128i vacc${ABC[C:C+4]} = _mm_loadu_si128((const __m128i*) ((uintptr_t) w + ${C} * sizeof(int32_t)));

       $for K in range(KERNEL_TILE):

         $for C in range(0, CHANNEL_TILE, 8):
           $if C == 0:
             const __m128i vi${K}x${ABC[0:8]} = _mm_loadl_epi64((const __m128i*) i${K});
           $else:
             const __m128i vi${K}x${ABC[C:C+8]} = _mm_loadl_epi64((const __m128i*) (i${K} + ${C}));
           $if SSE >= 4:
             ${"__m128i" if SSE == 5 else "const __m128i"} vxi${K}x${ABC[C:C+8]} = _mm_cvtepi8_epi16(vi${K}x${ABC[C:C+8]});
           const __m128i vk${K}x${ABC[C:C+8]} = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t) + ${K * CHANNEL_TILE + C} * sizeof(int8_t)));
           $if SSE >= 4:
             ${"__m128i" if SSE == 5 else "const __m128i"} vxk${K}x${ABC[C:C+8]} = _mm_cvtepi8_epi16(vk${K}x${ABC[C:C+8]});
         i${K} += ${CHANNEL_TILE};

         $if SSE < 4:
           $for C in range(0, CHANNEL_TILE, 8):
             const __m128i vxi${K}x${ABC[C:C+8]} = _mm_unpacklo_epi8(vi${K}x${ABC[C:C+8]}, _mm_cmpgt_epi8(_mm_setzero_si128(), vi${K}x${ABC[C:C+8]}));
             const __m128i vxk${K}x${ABC[C:C+8]} = _mm_unpacklo_epi8(vk${K}x${ABC[C:C+8]}, _mm_cmpgt_epi8(_mm_setzero_si128(), vk${K}x${ABC[C:C+8]}));

         $if SSE == 5:
           $for C in range(0, CHANNEL_TILE, 8):
             vacc${ABC[C:C+4]} = _mm_maccd_epi16(vxi${K}x${ABC[C:C+8]}, vxk${K}x${ABC[C:C+8]}, vacc${ABC[C:C+4]});
             vxi${K}x${ABC[C:C+8]} = _mm_unpackhi_epi64(vxi${K}x${ABC[C:C+8]}, vxi${K}x${ABC[C:C+8]});
             vxk${K}x${ABC[C:C+8]} = _mm_unpackhi_epi64(vxk${K}x${ABC[C:C+8]}, vxk${K}x${ABC[C:C+8]});

           $for C in range(0, CHANNEL_TILE, 8):
             vacc${ABC[C+4:C+8]} = _mm_maccd_epi16(vxi${K}x${ABC[C:C+8]}, vxk${K}x${ABC[C:C+8]}, vacc${ABC[C+4:C+8]});
         $else:
           $for C in range(0, CHANNEL_TILE, 8):
             const __m128i vp${K}x${ABC[C:C+8]}lo = _mm_mullo_epi16(vxi${K}x${ABC[C:C+8]}, vxk${K}x${ABC[C:C+8]});
             const __m128i vp${K}x${ABC[C:C+8]}hi = _mm_mulhi_epi16(vxi${K}x${ABC[C:C+8]}, vxk${K}x${ABC[C:C+8]});

           $for C in range(0, CHANNEL_TILE, 8):
             vacc${ABC[C:C+4]} = _mm_add_epi32(vacc${ABC[C:C+4]}, _mm_unpacklo_epi16(vp${K}x${ABC[C:C+8]}lo, vp${K}x${ABC[C:C+8]}hi));
             vacc${ABC[C+4:C+8]} = _mm_add_epi32(vacc${ABC[C+4:C+8]}, _mm_unpackhi_epi16(vp${K}x${ABC[C:C+8]}lo, vp${K}x${ABC[C:C+8]}hi));

       w = (const void*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t) + ${KERNEL_TILE * CHANNEL_TILE} * sizeof(int8_t));

       const __m128i vmultiplier = _mm_load_si128((const __m128i*) params->sse2.multiplier);
       const __m128i vrounding = _mm_load_si128((const __m128i*) params->sse2.rounding);

       $if SSE >= 4:
         $for C in range(0, CHANNEL_TILE, 4):
           const __m128i vacc${ABC[C+1:C+4:2]} = _mm_srli_epi64(vacc${ABC[C:C+4]}, 32);

         $for C in range(0, CHANNEL_TILE, 4):
           const __m128i vprod${ABC[C:C+4:2]} = _mm_add_epi64(_mm_mul_epi32(vacc${ABC[C:C+4]}, vmultiplier), vrounding);

         $for C in range(0, CHANNEL_TILE, 4):
           const __m128i vprod${ABC[C+1:C+4:2]} = _mm_add_epi64(_mm_mul_epi32(vacc${ABC[C+1:C+4:2]}, vmultiplier), vrounding);

         $for C in range(0, CHANNEL_TILE, 4):
           const __m128i vq31prod${ABC[C:C+4:2]} = _mm_srli_epi64(vprod${ABC[C:C+4:2]}, 31);
           const __m128i vq31prod${ABC[C+1:C+4:2]} = _mm_add_epi64(vprod${ABC[C+1:C+4:2]}, vprod${ABC[C+1:C+4:2]});

         $for C in range(0, CHANNEL_TILE, 4):
           const __m128i vq31prod${ABC[C:C+4]} = _mm_blend_epi16(vq31prod${ABC[C:C+4:2]}, vq31prod${ABC[C+1:C+4:2]}, 0xCC);
       $else:
         $for C in range(0, CHANNEL_TILE, 4):
           const __m128i vnmask${ABC[C:C+4]} = _mm_cmpgt_epi32(_mm_setzero_si128(), vacc${ABC[C:C+4]});

         $for C in range(0, CHANNEL_TILE, 4):
           $if SSE >= 3:
             const __m128i vabsacc${ABC[C:C+4]} = _mm_abs_epi32(vacc${ABC[C:C+4]});
           $else:
             const __m128i vabsacc${ABC[C:C+4]} = _mm_sub_epi32(_mm_xor_si128(vacc${ABC[C:C+4]}, vnmask${ABC[C:C+4]}), vnmask${ABC[C:C+4]});

         $for C in range(0, CHANNEL_TILE, 4):
           const __m128i vabsacc${ABC[C+1:C+4:2]} = _mm_srli_epi64(vabsacc${ABC[C:C+4]}, 32);

         $for C in range(0, CHANNEL_TILE, 4):
           const __m128i vabsprod${ABC[C:C+4:2]} = _mm_mul_epu32(vabsacc${ABC[C:C+4]}, vmultiplier);
           const __m128i vabsprod${ABC[C+1:C+4:2]} = _mm_mul_epu32(vabsacc${ABC[C+1:C+4:2]}, vmultiplier);

         $for C in range(0, CHANNEL_TILE, 4):
           const __m128i vnmask${ABC[C:C+4:2]} = _mm_shuffle_epi32(vnmask${ABC[C:C+4]}, _MM_SHUFFLE(2, 2, 0, 0));
           const __m128i vnmask${ABC[C+1:C+4:2]} = _mm_shuffle_epi32(vnmask${ABC[C:C+4]}, _MM_SHUFFLE(3, 3, 1, 1));

         $for C in range(0, CHANNEL_TILE, 4):
           const __m128i vprod${ABC[C:C+4:2]} = _mm_sub_epi64(_mm_xor_si128(vabsprod${ABC[C:C+4:2]}, vnmask${ABC[C:C+4:2]}), vnmask${ABC[C:C+4:2]});
           const __m128i vprod${ABC[C+1:C+4:2]} = _mm_sub_epi64(_mm_xor_si128(vabsprod${ABC[C+1:C+4:2]}, vnmask${ABC[C+1:C+4:2]}), vnmask${ABC[C+1:C+4:2]});

         $for C in range(0, CHANNEL_TILE, 4):
           const __m128i vq31prod${ABC[C:C+4:2]} = _mm_srli_epi64(_mm_add_epi64(vprod${ABC[C:C+4:2]}, vrounding), 31);
           const __m128i vq31prod${ABC[C+1:C+4:2]} = _mm_srli_epi64(_mm_add_epi64(vprod${ABC[C+1:C+4:2]}, vrounding), 31);

         $for C in range(0, CHANNEL_TILE, 4):
           const __m128i vq31prod${ABC[C:C+4:2]}${ABC[C+1:C+4:2]} = _mm_castps_si128(_mm_shuffle_ps(
               _mm_castsi128_ps(vq31prod${ABC[C:C+4:2]}), _mm_castsi128_ps(vq31prod${ABC[C+1:C+4:2]}), _MM_SHUFFLE(2, 0, 2, 0)));

         $for C in range(0, CHANNEL_TILE, 4):
           const __m128i vq31prod${ABC[C:C+4]} = _mm_shuffle_epi32(vq31prod${ABC[C:C+4:2]}${ABC[C+1:C+4:2]}, _MM_SHUFFLE(3, 1, 2, 0));

       const __m128i vremainder_mask = _mm_load_si128((const __m128i*) params->sse2.remainder_mask);
       $for C in range(0, CHANNEL_TILE, 4):
         const __m128i vrem${ABC[C:C+4]} =
           _mm_add_epi32(_mm_and_si128(vq31prod${ABC[C:C+4]}, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod${ABC[C:C+4]}));

       const __m128i vremainder_threshold = _mm_load_si128((const __m128i*) params->sse2.remainder_threshold);
       const __m128i vshift = _mm_load_si128((const __m128i*) params->sse2.shift);
       $for C in range(0, CHANNEL_TILE, 4):
         vacc${ABC[C:C+4]} =
           _mm_sub_epi32(_mm_sra_epi32(vq31prod${ABC[C:C+4]}, vshift), _mm_cmpgt_epi32(vrem${ABC[C:C+4]}, vremainder_threshold));

       const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse2.output_zero_point);
       $for C in range(0, CHANNEL_TILE, 8):
         __m128i vout${ABC[C:C+8]} = _mm_adds_epi16(_mm_packs_epi32(vacc${ABC[C:C+4]}, vacc${ABC[C+4:C+8]}), voutput_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);
       $for C in range(0, CHANNEL_TILE, 8):
         vout${ABC[C:C+8]} = _mm_min_epi16(_mm_max_epi16(vout${ABC[C:C+8]}, voutput_min), voutput_max);

       $for C in range(0, CHANNEL_TILE, 16):
         $if C + 8 < CHANNEL_TILE:
           __m128i vout${ABC[C:C+16]} = _mm_packs_epi16(vout${ABC[C:C+8]}, vout${ABC[C+8:C+16]});
         $else:
           __m128i vout${ABC[C:C+8]}${ABC[C:C+8]} = _mm_packs_epi16(vout${ABC[C:C+8]}, vout${ABC[C:C+8]});

       $if CHANNEL_TILE > 8:
         _mm_storeu_si128((__m128i*) output, vout${ABC[0:16]});
       $else:
         _mm_storel_epi64((__m128i*) output, vout${ABC[0:8]}${ABC[0:8]});
       $for C in range(16, CHANNEL_TILE, 16):
         $if C + 8 < CHANNEL_TILE:
           _mm_storeu_si128((__m128i*) (output + ${C}), vout${ABC[C:C+16]});
         $else:
           _mm_storel_epi64((__m128i*) (output + ${C}), vout${ABC[C:C+8]}${ABC[C:C+8]});
       output += ${CHANNEL_TILE};
     }
     if XNN_UNLIKELY(c != 0) {
       $if CHANNEL_TILE > 8:
         const int8_t* k = (const int8_t*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t));
       ${"do " if CHANNEL_TILE > 8 else ""}{
         __m128i vacc${ABC[0:4]} = _mm_loadu_si128((const __m128i*) w);
         __m128i vacc${ABC[4:8]} = _mm_loadu_si128((const __m128i*) ((uintptr_t) w + 4 * sizeof(int32_t)));

         $for K in range(KERNEL_TILE):

           const __m128i vi${K}x${ABC[0:8]} = _mm_loadl_epi64((const __m128i*) i${K});
           $if SSE >= 4:
             ${"__m128i" if SSE == 5 else "const __m128i"} vxi${K}x${ABC[0:8]} = _mm_cvtepi8_epi16(vi${K}x${ABC[0:8]});
           $if CHANNEL_TILE > 8:
             $if K == 0:
               const __m128i vk${K}x${ABC[0:8]} = _mm_loadl_epi64((const __m128i*) k);
             $else:
               const __m128i vk${K}x${ABC[0:8]} = _mm_loadl_epi64((const __m128i*) (k + ${K * CHANNEL_TILE}));
           $else:
             const __m128i vk${K}x${ABC[0:8]} = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t) + ${K * CHANNEL_TILE} * sizeof(int8_t)));
           $if SSE >= 4:
             ${"__m128i" if SSE == 5 else "const __m128i"} vxk${K}x${ABC[0:8]} = _mm_cvtepi8_epi16(vk${K}x${ABC[0:8]});
           i${K} += 8;

           $if SSE < 4:
             const __m128i vxi${K}x${ABC[0:8]} = _mm_unpacklo_epi8(vi${K}x${ABC[0:8]}, _mm_cmpgt_epi8(_mm_setzero_si128(), vi${K}x${ABC[0:8]}));
             const __m128i vxk${K}x${ABC[0:8]} = _mm_unpacklo_epi8(vk${K}x${ABC[0:8]}, _mm_cmpgt_epi8(_mm_setzero_si128(), vk${K}x${ABC[0:8]}));

           $if SSE == 5:
             vacc${ABC[0:4]} = _mm_maccd_epi16(vxi${K}x${ABC[0:8]}, vxk${K}x${ABC[0:8]}, vacc${ABC[0:4]});
             vxi${K}x${ABC[0:8]} = _mm_unpackhi_epi64(vxi${K}x${ABC[0:8]}, vxi${K}x${ABC[0:8]});
             vxk${K}x${ABC[0:8]} = _mm_unpackhi_epi64(vxk${K}x${ABC[0:8]}, vxk${K}x${ABC[0:8]});
             vacc${ABC[4:8]} = _mm_maccd_epi16(vxi${K}x${ABC[0:8]}, vxk${K}x${ABC[0:8]}, vacc${ABC[4:8]});
           $else:
             const __m128i vp${K}x${ABC[0:8]}lo = _mm_mullo_epi16(vxi${K}x${ABC[0:8]}, vxk${K}x${ABC[0:8]});
             const __m128i vp${K}x${ABC[0:8]}hi = _mm_mulhi_epi16(vxi${K}x${ABC[0:8]}, vxk${K}x${ABC[0:8]});

             vacc${ABC[0:4]} = _mm_add_epi32(vacc${ABC[0:4]}, _mm_unpacklo_epi16(vp${K}x${ABC[0:8]}lo, vp${K}x${ABC[0:8]}hi));
             vacc${ABC[4:8]} = _mm_add_epi32(vacc${ABC[4:8]}, _mm_unpackhi_epi16(vp${K}x${ABC[0:8]}lo, vp${K}x${ABC[0:8]}hi));

         w = (const void*) ((uintptr_t) w + 8 * sizeof(int32_t));
         $if CHANNEL_TILE > 8:
           k += 8;

         const __m128i vmultiplier = _mm_load_si128((const __m128i*) params->sse2.multiplier);
         const __m128i vrounding = _mm_load_si128((const __m128i*) params->sse2.rounding);

         $if SSE >= 4:
           const __m128i vacc${ABC[1:4:2]} = _mm_srli_epi64(vacc${ABC[0:4]}, 32);
           const __m128i vacc${ABC[5:8:2]} = _mm_srli_epi64(vacc${ABC[4:8]}, 32);

           const __m128i vprod${ABC[0:4:2]} = _mm_add_epi64(_mm_mul_epi32(vacc${ABC[0:4]}, vmultiplier), vrounding);
           const __m128i vprod${ABC[4:8:2]} = _mm_add_epi64(_mm_mul_epi32(vacc${ABC[4:8]}, vmultiplier), vrounding);

           const __m128i vprod${ABC[1:4:2]} = _mm_add_epi64(_mm_mul_epi32(vacc${ABC[1:4:2]}, vmultiplier), vrounding);
           const __m128i vprod${ABC[5:8:2]} = _mm_add_epi64(_mm_mul_epi32(vacc${ABC[5:8:2]}, vmultiplier), vrounding);

           const __m128i vq31prod${ABC[0:4:2]} = _mm_srli_epi64(vprod${ABC[0:4:2]}, 31);
           const __m128i vq31prod${ABC[1:4:2]} = _mm_add_epi64(vprod${ABC[1:4:2]}, vprod${ABC[1:4:2]});
           const __m128i vq31prod${ABC[4:8:2]} = _mm_srli_epi64(vprod${ABC[4:8:2]}, 31);
           const __m128i vq31prod${ABC[5:8:2]} = _mm_add_epi64(vprod${ABC[5:8:2]}, vprod${ABC[5:8:2]});

           const __m128i vq31prod${ABC[0:4]} = _mm_blend_epi16(vq31prod${ABC[0:4:2]}, vq31prod${ABC[1:4:2]}, 0xCC);
           const __m128i vq31prod${ABC[4:8]} = _mm_blend_epi16(vq31prod${ABC[4:8:2]}, vq31prod${ABC[5:8:2]}, 0xCC);
         $else:
           const __m128i vnmask${ABC[0:4]} = _mm_cmpgt_epi32(_mm_setzero_si128(), vacc${ABC[0:4]});
           const __m128i vnmask${ABC[4:8]} = _mm_cmpgt_epi32(_mm_setzero_si128(), vacc${ABC[4:8]});

           $if SSE >= 3:
             const __m128i vabsacc${ABC[0:4]} = _mm_abs_epi32(vacc${ABC[0:4]});
             const __m128i vabsacc${ABC[4:8]} = _mm_abs_epi32(vacc${ABC[4:8]});
           $else:
             const __m128i vabsacc${ABC[0:4]} = _mm_sub_epi32(_mm_xor_si128(vacc${ABC[0:4]}, vnmask${ABC[0:4]}), vnmask${ABC[0:4]});
             const __m128i vabsacc${ABC[4:8]} = _mm_sub_epi32(_mm_xor_si128(vacc${ABC[4:8]}, vnmask${ABC[4:8]}), vnmask${ABC[4:8]});

           const __m128i vabsacc${ABC[1:4:2]} = _mm_srli_epi64(vabsacc${ABC[0:4]}, 32);
           const __m128i vabsacc${ABC[5:8:2]} = _mm_srli_epi64(vabsacc${ABC[4:8]}, 32);

           const __m128i vabsprod${ABC[0:4:2]} = _mm_mul_epu32(vabsacc${ABC[0:4]}, vmultiplier);
           const __m128i vabsprod${ABC[1:4:2]} = _mm_mul_epu32(vabsacc${ABC[1:4:2]}, vmultiplier);
           const __m128i vabsprod${ABC[4:8:2]} = _mm_mul_epu32(vabsacc${ABC[4:8]}, vmultiplier);
           const __m128i vabsprod${ABC[5:8:2]} = _mm_mul_epu32(vabsacc${ABC[5:8:2]}, vmultiplier);

           const __m128i vnmask${ABC[0:4:2]} = _mm_shuffle_epi32(vnmask${ABC[0:4]}, _MM_SHUFFLE(2, 2, 0, 0));
           const __m128i vnmask${ABC[1:4:2]} = _mm_shuffle_epi32(vnmask${ABC[0:4]}, _MM_SHUFFLE(3, 3, 1, 1));
           const __m128i vnmask${ABC[4:8:2]} = _mm_shuffle_epi32(vnmask${ABC[4:8]}, _MM_SHUFFLE(2, 2, 0, 0));
           const __m128i vnmask${ABC[5:8:2]} = _mm_shuffle_epi32(vnmask${ABC[4:8]}, _MM_SHUFFLE(3, 3, 1, 1));

           const __m128i vprod${ABC[0:4:2]} = _mm_sub_epi64(_mm_xor_si128(vabsprod${ABC[0:4:2]}, vnmask${ABC[0:4:2]}), vnmask${ABC[0:4:2]});
           const __m128i vprod${ABC[1:4:2]} = _mm_sub_epi64(_mm_xor_si128(vabsprod${ABC[1:4:2]}, vnmask${ABC[1:4:2]}), vnmask${ABC[1:4:2]});
           const __m128i vprod${ABC[4:8:2]} = _mm_sub_epi64(_mm_xor_si128(vabsprod${ABC[4:8:2]}, vnmask${ABC[4:8:2]}), vnmask${ABC[4:8:2]});
           const __m128i vprod${ABC[5:8:2]} = _mm_sub_epi64(_mm_xor_si128(vabsprod${ABC[5:8:2]}, vnmask${ABC[5:8:2]}), vnmask${ABC[5:8:2]});

           const __m128i vq31prod${ABC[0:4:2]} = _mm_srli_epi64(_mm_add_epi64(vprod${ABC[0:4:2]}, vrounding), 31);
           const __m128i vq31prod${ABC[1:4:2]} = _mm_srli_epi64(_mm_add_epi64(vprod${ABC[1:4:2]}, vrounding), 31);
           const __m128i vq31prod${ABC[4:8:2]} = _mm_srli_epi64(_mm_add_epi64(vprod${ABC[4:8:2]}, vrounding), 31);
           const __m128i vq31prod${ABC[5:8:2]} = _mm_srli_epi64(_mm_add_epi64(vprod${ABC[5:8:2]}, vrounding), 31);

           const __m128i vq31prod${ABC[0:4:2]}${ABC[1:4:2]} = _mm_castps_si128(_mm_shuffle_ps(
               _mm_castsi128_ps(vq31prod${ABC[0:4:2]}), _mm_castsi128_ps(vq31prod${ABC[1:4:2]}), _MM_SHUFFLE(2, 0, 2, 0)));
           const __m128i vq31prod${ABC[4:8:2]}${ABC[5:8:2]} = _mm_castps_si128(_mm_shuffle_ps(
               _mm_castsi128_ps(vq31prod${ABC[4:8:2]}), _mm_castsi128_ps(vq31prod${ABC[5:8:2]}), _MM_SHUFFLE(2, 0, 2, 0)));

           const __m128i vq31prod${ABC[0:4]} = _mm_shuffle_epi32(vq31prod${ABC[0:4:2]}${ABC[1:4:2]}, _MM_SHUFFLE(3, 1, 2, 0));
           const __m128i vq31prod${ABC[4:8]} = _mm_shuffle_epi32(vq31prod${ABC[4:8:2]}${ABC[5:8:2]}, _MM_SHUFFLE(3, 1, 2, 0));

         const __m128i vremainder_mask = _mm_load_si128((const __m128i*) params->sse2.remainder_mask);
         const __m128i vrem${ABC[0:4]} =
           _mm_add_epi32(_mm_and_si128(vq31prod${ABC[0:4]}, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod${ABC[0:4]}));
         const __m128i vrem${ABC[4:8]} =
           _mm_add_epi32(_mm_and_si128(vq31prod${ABC[4:8]}, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod${ABC[4:8]}));

         const __m128i vremainder_threshold = _mm_load_si128((const __m128i*) params->sse2.remainder_threshold);
         const __m128i vshift = _mm_load_si128((const __m128i*) params->sse2.shift);
         vacc${ABC[0:4]} =
           _mm_sub_epi32(_mm_sra_epi32(vq31prod${ABC[0:4]}, vshift), _mm_cmpgt_epi32(vrem${ABC[0:4]}, vremainder_threshold));
         vacc${ABC[4:8]} =
           _mm_sub_epi32(_mm_sra_epi32(vq31prod${ABC[4:8]}, vshift), _mm_cmpgt_epi32(vrem${ABC[4:8]}, vremainder_threshold));

         const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse2.output_zero_point);
         __m128i vout${ABC[0:8]} = _mm_adds_epi16(_mm_packs_epi32(vacc${ABC[0:4]}, vacc${ABC[4:8]}), voutput_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);
         vout${ABC[0:8]} = _mm_min_epi16(_mm_max_epi16(vout${ABC[0:8]}, voutput_min), voutput_max);

         __m128i vout${ABC[0:8]}${ABC[0:8]} = _mm_packs_epi16(vout${ABC[0:8]}, vout${ABC[0:8]});

         $if CHANNEL_TILE > 8:
           if XNN_LIKELY(c >= 8) {
             _mm_storel_epi64((__m128i*) output, vout${ABC[0:8]}${ABC[0:8]});
             output += 8;
             c -= 8;
           } else {
             if (c & 4) {
               *((uint32_t*) output) = (uint32_t) _mm_cvtsi128_si32(vout${ABC[0:8]}${ABC[0:8]});
               vout${ABC[0:8]}${ABC[0:8]} = _mm_srli_epi64(vout${ABC[0:8]}${ABC[0:8]}, 32);
               output += 4;
             }
             if (c & 2) {
               *((uint16_t*) output) = (uint16_t) _mm_extract_epi16(vout${ABC[0:8]}${ABC[0:8]}, 0);
               vout${ABC[0:8]}${ABC[0:8]} = _mm_srli_epi32(vout${ABC[0:8]}${ABC[0:8]}, 16);
               output += 2;
             }
             if (c & 1) {
               $if SSE >= 4:
                 *output = (int8_t) _mm_extract_epi8(vout${ABC[0:8]}${ABC[0:8]}, 0);
               $else:
                 *output = (int32_t) _mm_cvtsi128_si32(vout${ABC[0:8]}${ABC[0:8]});
               output += 1;
             }
             c = 0;
           }
         $else:
           if (c & 4) {
             *((uint32_t*) output) = (uint32_t) _mm_cvtsi128_si32(vout${ABC[0:8]}${ABC[0:8]});
             vout${ABC[0:8]}${ABC[0:8]} = _mm_srli_epi64(vout${ABC[0:8]}${ABC[0:8]}, 32);
             output += 4;
           }
           if (c & 2) {
             *((uint16_t*) output) = (uint16_t) _mm_extract_epi16(vout${ABC[0:8]}${ABC[0:8]}, 0);
             vout${ABC[0:8]}${ABC[0:8]} = _mm_srli_epi32(vout${ABC[0:8]}${ABC[0:8]}, 16);
             output += 2;
           }
           if (c & 1) {
             $if SSE >= 4:
               *output = (int8_t) _mm_extract_epi8(vout${ABC[0:8]}${ABC[0:8]}, 0);
             $else:
               *output = (int32_t) _mm_cvtsi128_si32(vout${ABC[0:8]}${ABC[0:8]});
             output += 1;
           }
       }${" while (c != 0);" if CHANNEL_TILE > 8 else ""}
     }

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

	$ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
	$SSE_HEADER = {2: "emmintrin.h", 3: "tmmintrin.h", 4: "smmintrin.h", 5: "ammintrin.h"}[SSE]
	$assert CHANNEL_TILE % 8 == 0
	$assert CHANNEL_TILE >= 8
	$assert KERNEL_TILE >= 2
	#include <assert.h>

	$if SSE == 5:
	#ifdef __GNUC__
	#include <x86intrin.h>
	#else
	#include <immintrin.h>
	#include <${SSE_HEADER}>
	#endif
	$else:
	#include <${SSE_HEADER}>

	#include <xnnpack/dwconv.h>


	$ISA = {2: "sse2", 3: "ssse3", 4: "sse41", 5: "xop"}[SSE]
	void xnn_qs8_dwconv_minmax_ukernel_up${CHANNEL_TILE}x${KERNEL_TILE}__${ISA}_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);

	do {
	$for K in range(KERNEL_TILE):
	const int8_t* i${K} = input[${K}];
	assert(i${K} != NULL);
	if XNN_UNPREDICTABLE(i${K} != zero) {
	i${K} = (const int8_t*) ((uintptr_t) i${K} + input_offset);
	}
	input = (const int8_t**) ((uintptr_t) input + input_stride);

	size_t c = channels;
	const int8_t* w = weights;
	for (; c >= ${CHANNEL_TILE}; c -= ${CHANNEL_TILE}) {
	__m128i vacc${ABC[0:4]} = _mm_loadu_si128((const __m128i*) w);
	$for C in range(4, CHANNEL_TILE, 4):
	__m128i vacc${ABC[C:C+4]} = _mm_loadu_si128((const __m128i) ((uintptr_t) w + ${C} sizeof(int32_t)));

	$for K in range(KERNEL_TILE):

	$for C in range(0, CHANNEL_TILE, 8):
	$if C == 0:
	const __m128i vi${K}x${ABC[0:8]} = _mm_loadl_epi64((const __m128i*) i${K});
	$else:
	const __m128i vi${K}x${ABC[C:C+8]} = _mm_loadl_epi64((const __m128i*) (i${K} + ${C}));
	$if SSE >= 4:
	${"__m128i" if SSE == 5 else "const __m128i"} vxi${K}x${ABC[C:C+8]} = _mm_cvtepi8_epi16(vi${K}x${ABC[C:C+8]});
	const __m128i vk${K}x${ABC[C:C+8]} = _mm_loadl_epi64((const __m128i) ((uintptr_t) w + ${CHANNEL_TILE} sizeof(int32_t) + ${K * CHANNEL_TILE + C} * sizeof(int8_t)));
	$if SSE >= 4:
	${"__m128i" if SSE == 5 else "const __m128i"} vxk${K}x${ABC[C:C+8]} = _mm_cvtepi8_epi16(vk${K}x${ABC[C:C+8]});
	i${K} += ${CHANNEL_TILE};

	$if SSE < 4:
	$for C in range(0, CHANNEL_TILE, 8):
	const __m128i vxi${K}x${ABC[C:C+8]} = _mm_unpacklo_epi8(vi${K}x${ABC[C:C+8]}, _mm_cmpgt_epi8(_mm_setzero_si128(), vi${K}x${ABC[C:C+8]}));
	const __m128i vxk${K}x${ABC[C:C+8]} = _mm_unpacklo_epi8(vk${K}x${ABC[C:C+8]}, _mm_cmpgt_epi8(_mm_setzero_si128(), vk${K}x${ABC[C:C+8]}));

	$if SSE == 5:
	$for C in range(0, CHANNEL_TILE, 8):
	vacc${ABC[C:C+4]} = _mm_maccd_epi16(vxi${K}x${ABC[C:C+8]}, vxk${K}x${ABC[C:C+8]}, vacc${ABC[C:C+4]});
	vxi${K}x${ABC[C:C+8]} = _mm_unpackhi_epi64(vxi${K}x${ABC[C:C+8]}, vxi${K}x${ABC[C:C+8]});
	vxk${K}x${ABC[C:C+8]} = _mm_unpackhi_epi64(vxk${K}x${ABC[C:C+8]}, vxk${K}x${ABC[C:C+8]});

	$for C in range(0, CHANNEL_TILE, 8):
	vacc${ABC[C+4:C+8]} = _mm_maccd_epi16(vxi${K}x${ABC[C:C+8]}, vxk${K}x${ABC[C:C+8]}, vacc${ABC[C+4:C+8]});
	$else:
	$for C in range(0, CHANNEL_TILE, 8):
	const __m128i vp${K}x${ABC[C:C+8]}lo = _mm_mullo_epi16(vxi${K}x${ABC[C:C+8]}, vxk${K}x${ABC[C:C+8]});
	const __m128i vp${K}x${ABC[C:C+8]}hi = _mm_mulhi_epi16(vxi${K}x${ABC[C:C+8]}, vxk${K}x${ABC[C:C+8]});

	$for C in range(0, CHANNEL_TILE, 8):
	vacc${ABC[C:C+4]} = _mm_add_epi32(vacc${ABC[C:C+4]}, _mm_unpacklo_epi16(vp${K}x${ABC[C:C+8]}lo, vp${K}x${ABC[C:C+8]}hi));
	vacc${ABC[C+4:C+8]} = _mm_add_epi32(vacc${ABC[C+4:C+8]}, _mm_unpackhi_epi16(vp${K}x${ABC[C:C+8]}lo, vp${K}x${ABC[C:C+8]}hi));

	w = (const void) ((uintptr_t) w + ${CHANNEL_TILE} sizeof(int32_t) + ${KERNEL_TILE * CHANNEL_TILE} * sizeof(int8_t));

	const __m128i vmultiplier = _mm_load_si128((const __m128i*) params->sse2.multiplier);
	const __m128i vrounding = _mm_load_si128((const __m128i*) params->sse2.rounding);

	$if SSE >= 4:
	$for C in range(0, CHANNEL_TILE, 4):
	const __m128i vacc${ABC[C+1:C+4:2]} = _mm_srli_epi64(vacc${ABC[C:C+4]}, 32);

	$for C in range(0, CHANNEL_TILE, 4):
	const __m128i vprod${ABC[C:C+4:2]} = _mm_add_epi64(_mm_mul_epi32(vacc${ABC[C:C+4]}, vmultiplier), vrounding);

	$for C in range(0, CHANNEL_TILE, 4):
	const __m128i vprod${ABC[C+1:C+4:2]} = _mm_add_epi64(_mm_mul_epi32(vacc${ABC[C+1:C+4:2]}, vmultiplier), vrounding);

	$for C in range(0, CHANNEL_TILE, 4):
	const __m128i vq31prod${ABC[C:C+4:2]} = _mm_srli_epi64(vprod${ABC[C:C+4:2]}, 31);
	const __m128i vq31prod${ABC[C+1:C+4:2]} = _mm_add_epi64(vprod${ABC[C+1:C+4:2]}, vprod${ABC[C+1:C+4:2]});

	$for C in range(0, CHANNEL_TILE, 4):
	const __m128i vq31prod${ABC[C:C+4]} = _mm_blend_epi16(vq31prod${ABC[C:C+4:2]}, vq31prod${ABC[C+1:C+4:2]}, 0xCC);
	$else:
	$for C in range(0, CHANNEL_TILE, 4):
	const __m128i vnmask${ABC[C:C+4]} = _mm_cmpgt_epi32(_mm_setzero_si128(), vacc${ABC[C:C+4]});

	$for C in range(0, CHANNEL_TILE, 4):
	$if SSE >= 3:
	const __m128i vabsacc${ABC[C:C+4]} = _mm_abs_epi32(vacc${ABC[C:C+4]});
	$else:
	const __m128i vabsacc${ABC[C:C+4]} = _mm_sub_epi32(_mm_xor_si128(vacc${ABC[C:C+4]}, vnmask${ABC[C:C+4]}), vnmask${ABC[C:C+4]});

	$for C in range(0, CHANNEL_TILE, 4):
	const __m128i vabsacc${ABC[C+1:C+4:2]} = _mm_srli_epi64(vabsacc${ABC[C:C+4]}, 32);

	$for C in range(0, CHANNEL_TILE, 4):
	const __m128i vabsprod${ABC[C:C+4:2]} = _mm_mul_epu32(vabsacc${ABC[C:C+4]}, vmultiplier);
	const __m128i vabsprod${ABC[C+1:C+4:2]} = _mm_mul_epu32(vabsacc${ABC[C+1:C+4:2]}, vmultiplier);

	$for C in range(0, CHANNEL_TILE, 4):
	const __m128i vnmask${ABC[C:C+4:2]} = _mm_shuffle_epi32(vnmask${ABC[C:C+4]}, _MM_SHUFFLE(2, 2, 0, 0));
	const __m128i vnmask${ABC[C+1:C+4:2]} = _mm_shuffle_epi32(vnmask${ABC[C:C+4]}, _MM_SHUFFLE(3, 3, 1, 1));

	$for C in range(0, CHANNEL_TILE, 4):
	const __m128i vprod${ABC[C:C+4:2]} = _mm_sub_epi64(_mm_xor_si128(vabsprod${ABC[C:C+4:2]}, vnmask${ABC[C:C+4:2]}), vnmask${ABC[C:C+4:2]});
	const __m128i vprod${ABC[C+1:C+4:2]} = _mm_sub_epi64(_mm_xor_si128(vabsprod${ABC[C+1:C+4:2]}, vnmask${ABC[C+1:C+4:2]}), vnmask${ABC[C+1:C+4:2]});

	$for C in range(0, CHANNEL_TILE, 4):
	const __m128i vq31prod${ABC[C:C+4:2]} = _mm_srli_epi64(_mm_add_epi64(vprod${ABC[C:C+4:2]}, vrounding), 31);
	const __m128i vq31prod${ABC[C+1:C+4:2]} = _mm_srli_epi64(_mm_add_epi64(vprod${ABC[C+1:C+4:2]}, vrounding), 31);

	$for C in range(0, CHANNEL_TILE, 4):
	const __m128i vq31prod${ABC[C:C+4:2]}${ABC[C+1:C+4:2]} = _mm_castps_si128(_mm_shuffle_ps(
	_mm_castsi128_ps(vq31prod${ABC[C:C+4:2]}), _mm_castsi128_ps(vq31prod${ABC[C+1:C+4:2]}), _MM_SHUFFLE(2, 0, 2, 0)));

	$for C in range(0, CHANNEL_TILE, 4):
	const __m128i vq31prod${ABC[C:C+4]} = _mm_shuffle_epi32(vq31prod${ABC[C:C+4:2]}${ABC[C+1:C+4:2]}, _MM_SHUFFLE(3, 1, 2, 0));

	const __m128i vremainder_mask = _mm_load_si128((const __m128i*) params->sse2.remainder_mask);
	$for C in range(0, CHANNEL_TILE, 4):
	const __m128i vrem${ABC[C:C+4]} =
	_mm_add_epi32(_mm_and_si128(vq31prod${ABC[C:C+4]}, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod${ABC[C:C+4]}));

	const __m128i vremainder_threshold = _mm_load_si128((const __m128i*) params->sse2.remainder_threshold);
	const __m128i vshift = _mm_load_si128((const __m128i*) params->sse2.shift);
	$for C in range(0, CHANNEL_TILE, 4):
	vacc${ABC[C:C+4]} =
	_mm_sub_epi32(_mm_sra_epi32(vq31prod${ABC[C:C+4]}, vshift), _mm_cmpgt_epi32(vrem${ABC[C:C+4]}, vremainder_threshold));

	const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse2.output_zero_point);
	$for C in range(0, CHANNEL_TILE, 8):
	__m128i vout${ABC[C:C+8]} = _mm_adds_epi16(_mm_packs_epi32(vacc${ABC[C:C+4]}, vacc${ABC[C+4:C+8]}), voutput_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);
	$for C in range(0, CHANNEL_TILE, 8):
	vout${ABC[C:C+8]} = _mm_min_epi16(_mm_max_epi16(vout${ABC[C:C+8]}, voutput_min), voutput_max);

	$for C in range(0, CHANNEL_TILE, 16):
	$if C + 8 < CHANNEL_TILE:
	__m128i vout${ABC[C:C+16]} = _mm_packs_epi16(vout${ABC[C:C+8]}, vout${ABC[C+8:C+16]});
	$else:
	__m128i vout${ABC[C:C+8]}${ABC[C:C+8]} = _mm_packs_epi16(vout${ABC[C:C+8]}, vout${ABC[C:C+8]});

	$if CHANNEL_TILE > 8:
	_mm_storeu_si128((__m128i*) output, vout${ABC[0:16]});
	$else:
	_mm_storel_epi64((__m128i*) output, vout${ABC[0:8]}${ABC[0:8]});
	$for C in range(16, CHANNEL_TILE, 16):
	$if C + 8 < CHANNEL_TILE:
	_mm_storeu_si128((__m128i*) (output + ${C}), vout${ABC[C:C+16]});
	$else:
	_mm_storel_epi64((__m128i*) (output + ${C}), vout${ABC[C:C+8]}${ABC[C:C+8]});
	output += ${CHANNEL_TILE};
	}
	if XNN_UNLIKELY(c != 0) {
	$if CHANNEL_TILE > 8:
	const int8_t* k = (const int8_t) ((uintptr_t) w + ${CHANNEL_TILE} sizeof(int32_t));
	${"do " if CHANNEL_TILE > 8 else ""}{
	__m128i vacc${ABC[0:4]} = _mm_loadu_si128((const __m128i*) w);
	__m128i vacc${ABC[4:8]} = _mm_loadu_si128((const __m128i) ((uintptr_t) w + 4 sizeof(int32_t)));

	$for K in range(KERNEL_TILE):

	const __m128i vi${K}x${ABC[0:8]} = _mm_loadl_epi64((const __m128i*) i${K});
	$if SSE >= 4:
	${"__m128i" if SSE == 5 else "const __m128i"} vxi${K}x${ABC[0:8]} = _mm_cvtepi8_epi16(vi${K}x${ABC[0:8]});
	$if CHANNEL_TILE > 8:
	$if K == 0:
	const __m128i vk${K}x${ABC[0:8]} = _mm_loadl_epi64((const __m128i*) k);
	$else:
	const __m128i vk${K}x${ABC[0:8]} = _mm_loadl_epi64((const __m128i) (k + ${K CHANNEL_TILE}));
	$else:
	const __m128i vk${K}x${ABC[0:8]} = _mm_loadl_epi64((const __m128i) ((uintptr_t) w + ${CHANNEL_TILE} sizeof(int32_t) + ${K * CHANNEL_TILE} * sizeof(int8_t)));
	$if SSE >= 4:
	${"__m128i" if SSE == 5 else "const __m128i"} vxk${K}x${ABC[0:8]} = _mm_cvtepi8_epi16(vk${K}x${ABC[0:8]});
	i${K} += 8;

	$if SSE < 4:
	const __m128i vxi${K}x${ABC[0:8]} = _mm_unpacklo_epi8(vi${K}x${ABC[0:8]}, _mm_cmpgt_epi8(_mm_setzero_si128(), vi${K}x${ABC[0:8]}));
	const __m128i vxk${K}x${ABC[0:8]} = _mm_unpacklo_epi8(vk${K}x${ABC[0:8]}, _mm_cmpgt_epi8(_mm_setzero_si128(), vk${K}x${ABC[0:8]}));

	$if SSE == 5:
	vacc${ABC[0:4]} = _mm_maccd_epi16(vxi${K}x${ABC[0:8]}, vxk${K}x${ABC[0:8]}, vacc${ABC[0:4]});
	vxi${K}x${ABC[0:8]} = _mm_unpackhi_epi64(vxi${K}x${ABC[0:8]}, vxi${K}x${ABC[0:8]});
	vxk${K}x${ABC[0:8]} = _mm_unpackhi_epi64(vxk${K}x${ABC[0:8]}, vxk${K}x${ABC[0:8]});
	vacc${ABC[4:8]} = _mm_maccd_epi16(vxi${K}x${ABC[0:8]}, vxk${K}x${ABC[0:8]}, vacc${ABC[4:8]});
	$else:
	const __m128i vp${K}x${ABC[0:8]}lo = _mm_mullo_epi16(vxi${K}x${ABC[0:8]}, vxk${K}x${ABC[0:8]});
	const __m128i vp${K}x${ABC[0:8]}hi = _mm_mulhi_epi16(vxi${K}x${ABC[0:8]}, vxk${K}x${ABC[0:8]});

	vacc${ABC[0:4]} = _mm_add_epi32(vacc${ABC[0:4]}, _mm_unpacklo_epi16(vp${K}x${ABC[0:8]}lo, vp${K}x${ABC[0:8]}hi));
	vacc${ABC[4:8]} = _mm_add_epi32(vacc${ABC[4:8]}, _mm_unpackhi_epi16(vp${K}x${ABC[0:8]}lo, vp${K}x${ABC[0:8]}hi));

	w = (const void) ((uintptr_t) w + 8 sizeof(int32_t));
	$if CHANNEL_TILE > 8:
	k += 8;

	const __m128i vmultiplier = _mm_load_si128((const __m128i*) params->sse2.multiplier);
	const __m128i vrounding = _mm_load_si128((const __m128i*) params->sse2.rounding);

	$if SSE >= 4:
	const __m128i vacc${ABC[1:4:2]} = _mm_srli_epi64(vacc${ABC[0:4]}, 32);
	const __m128i vacc${ABC[5:8:2]} = _mm_srli_epi64(vacc${ABC[4:8]}, 32);

	const __m128i vprod${ABC[0:4:2]} = _mm_add_epi64(_mm_mul_epi32(vacc${ABC[0:4]}, vmultiplier), vrounding);
	const __m128i vprod${ABC[4:8:2]} = _mm_add_epi64(_mm_mul_epi32(vacc${ABC[4:8]}, vmultiplier), vrounding);

	const __m128i vprod${ABC[1:4:2]} = _mm_add_epi64(_mm_mul_epi32(vacc${ABC[1:4:2]}, vmultiplier), vrounding);
	const __m128i vprod${ABC[5:8:2]} = _mm_add_epi64(_mm_mul_epi32(vacc${ABC[5:8:2]}, vmultiplier), vrounding);

	const __m128i vq31prod${ABC[0:4:2]} = _mm_srli_epi64(vprod${ABC[0:4:2]}, 31);
	const __m128i vq31prod${ABC[1:4:2]} = _mm_add_epi64(vprod${ABC[1:4:2]}, vprod${ABC[1:4:2]});
	const __m128i vq31prod${ABC[4:8:2]} = _mm_srli_epi64(vprod${ABC[4:8:2]}, 31);
	const __m128i vq31prod${ABC[5:8:2]} = _mm_add_epi64(vprod${ABC[5:8:2]}, vprod${ABC[5:8:2]});

	const __m128i vq31prod${ABC[0:4]} = _mm_blend_epi16(vq31prod${ABC[0:4:2]}, vq31prod${ABC[1:4:2]}, 0xCC);
	const __m128i vq31prod${ABC[4:8]} = _mm_blend_epi16(vq31prod${ABC[4:8:2]}, vq31prod${ABC[5:8:2]}, 0xCC);
	$else:
	const __m128i vnmask${ABC[0:4]} = _mm_cmpgt_epi32(_mm_setzero_si128(), vacc${ABC[0:4]});
	const __m128i vnmask${ABC[4:8]} = _mm_cmpgt_epi32(_mm_setzero_si128(), vacc${ABC[4:8]});

	$if SSE >= 3:
	const __m128i vabsacc${ABC[0:4]} = _mm_abs_epi32(vacc${ABC[0:4]});
	const __m128i vabsacc${ABC[4:8]} = _mm_abs_epi32(vacc${ABC[4:8]});
	$else:
	const __m128i vabsacc${ABC[0:4]} = _mm_sub_epi32(_mm_xor_si128(vacc${ABC[0:4]}, vnmask${ABC[0:4]}), vnmask${ABC[0:4]});
	const __m128i vabsacc${ABC[4:8]} = _mm_sub_epi32(_mm_xor_si128(vacc${ABC[4:8]}, vnmask${ABC[4:8]}), vnmask${ABC[4:8]});

	const __m128i vabsacc${ABC[1:4:2]} = _mm_srli_epi64(vabsacc${ABC[0:4]}, 32);
	const __m128i vabsacc${ABC[5:8:2]} = _mm_srli_epi64(vabsacc${ABC[4:8]}, 32);

	const __m128i vabsprod${ABC[0:4:2]} = _mm_mul_epu32(vabsacc${ABC[0:4]}, vmultiplier);
	const __m128i vabsprod${ABC[1:4:2]} = _mm_mul_epu32(vabsacc${ABC[1:4:2]}, vmultiplier);
	const __m128i vabsprod${ABC[4:8:2]} = _mm_mul_epu32(vabsacc${ABC[4:8]}, vmultiplier);
	const __m128i vabsprod${ABC[5:8:2]} = _mm_mul_epu32(vabsacc${ABC[5:8:2]}, vmultiplier);

	const __m128i vnmask${ABC[0:4:2]} = _mm_shuffle_epi32(vnmask${ABC[0:4]}, _MM_SHUFFLE(2, 2, 0, 0));
	const __m128i vnmask${ABC[1:4:2]} = _mm_shuffle_epi32(vnmask${ABC[0:4]}, _MM_SHUFFLE(3, 3, 1, 1));
	const __m128i vnmask${ABC[4:8:2]} = _mm_shuffle_epi32(vnmask${ABC[4:8]}, _MM_SHUFFLE(2, 2, 0, 0));
	const __m128i vnmask${ABC[5:8:2]} = _mm_shuffle_epi32(vnmask${ABC[4:8]}, _MM_SHUFFLE(3, 3, 1, 1));

	const __m128i vprod${ABC[0:4:2]} = _mm_sub_epi64(_mm_xor_si128(vabsprod${ABC[0:4:2]}, vnmask${ABC[0:4:2]}), vnmask${ABC[0:4:2]});
	const __m128i vprod${ABC[1:4:2]} = _mm_sub_epi64(_mm_xor_si128(vabsprod${ABC[1:4:2]}, vnmask${ABC[1:4:2]}), vnmask${ABC[1:4:2]});
	const __m128i vprod${ABC[4:8:2]} = _mm_sub_epi64(_mm_xor_si128(vabsprod${ABC[4:8:2]}, vnmask${ABC[4:8:2]}), vnmask${ABC[4:8:2]});
	const __m128i vprod${ABC[5:8:2]} = _mm_sub_epi64(_mm_xor_si128(vabsprod${ABC[5:8:2]}, vnmask${ABC[5:8:2]}), vnmask${ABC[5:8:2]});

	const __m128i vq31prod${ABC[0:4:2]} = _mm_srli_epi64(_mm_add_epi64(vprod${ABC[0:4:2]}, vrounding), 31);
	const __m128i vq31prod${ABC[1:4:2]} = _mm_srli_epi64(_mm_add_epi64(vprod${ABC[1:4:2]}, vrounding), 31);
	const __m128i vq31prod${ABC[4:8:2]} = _mm_srli_epi64(_mm_add_epi64(vprod${ABC[4:8:2]}, vrounding), 31);
	const __m128i vq31prod${ABC[5:8:2]} = _mm_srli_epi64(_mm_add_epi64(vprod${ABC[5:8:2]}, vrounding), 31);

	const __m128i vq31prod${ABC[0:4:2]}${ABC[1:4:2]} = _mm_castps_si128(_mm_shuffle_ps(
	_mm_castsi128_ps(vq31prod${ABC[0:4:2]}), _mm_castsi128_ps(vq31prod${ABC[1:4:2]}), _MM_SHUFFLE(2, 0, 2, 0)));
	const __m128i vq31prod${ABC[4:8:2]}${ABC[5:8:2]} = _mm_castps_si128(_mm_shuffle_ps(
	_mm_castsi128_ps(vq31prod${ABC[4:8:2]}), _mm_castsi128_ps(vq31prod${ABC[5:8:2]}), _MM_SHUFFLE(2, 0, 2, 0)));

	const __m128i vq31prod${ABC[0:4]} = _mm_shuffle_epi32(vq31prod${ABC[0:4:2]}${ABC[1:4:2]}, _MM_SHUFFLE(3, 1, 2, 0));
	const __m128i vq31prod${ABC[4:8]} = _mm_shuffle_epi32(vq31prod${ABC[4:8:2]}${ABC[5:8:2]}, _MM_SHUFFLE(3, 1, 2, 0));

	const __m128i vremainder_mask = _mm_load_si128((const __m128i*) params->sse2.remainder_mask);
	const __m128i vrem${ABC[0:4]} =
	_mm_add_epi32(_mm_and_si128(vq31prod${ABC[0:4]}, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod${ABC[0:4]}));
	const __m128i vrem${ABC[4:8]} =
	_mm_add_epi32(_mm_and_si128(vq31prod${ABC[4:8]}, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod${ABC[4:8]}));

	const __m128i vremainder_threshold = _mm_load_si128((const __m128i*) params->sse2.remainder_threshold);
	const __m128i vshift = _mm_load_si128((const __m128i*) params->sse2.shift);
	vacc${ABC[0:4]} =
	_mm_sub_epi32(_mm_sra_epi32(vq31prod${ABC[0:4]}, vshift), _mm_cmpgt_epi32(vrem${ABC[0:4]}, vremainder_threshold));
	vacc${ABC[4:8]} =
	_mm_sub_epi32(_mm_sra_epi32(vq31prod${ABC[4:8]}, vshift), _mm_cmpgt_epi32(vrem${ABC[4:8]}, vremainder_threshold));

	const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse2.output_zero_point);
	__m128i vout${ABC[0:8]} = _mm_adds_epi16(_mm_packs_epi32(vacc${ABC[0:4]}, vacc${ABC[4:8]}), voutput_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);
	vout${ABC[0:8]} = _mm_min_epi16(_mm_max_epi16(vout${ABC[0:8]}, voutput_min), voutput_max);

	__m128i vout${ABC[0:8]}${ABC[0:8]} = _mm_packs_epi16(vout${ABC[0:8]}, vout${ABC[0:8]});

	$if CHANNEL_TILE > 8:
	if XNN_LIKELY(c >= 8) {
	_mm_storel_epi64((__m128i*) output, vout${ABC[0:8]}${ABC[0:8]});
	output += 8;
	c -= 8;
	} else {
	if (c & 4) {
	((uint32_t) output) = (uint32_t) _mm_cvtsi128_si32(vout${ABC[0:8]}${ABC[0:8]});
	vout${ABC[0:8]}${ABC[0:8]} = _mm_srli_epi64(vout${ABC[0:8]}${ABC[0:8]}, 32);
	output += 4;
	}
	if (c & 2) {
	((uint16_t) output) = (uint16_t) _mm_extract_epi16(vout${ABC[0:8]}${ABC[0:8]}, 0);
	vout${ABC[0:8]}${ABC[0:8]} = _mm_srli_epi32(vout${ABC[0:8]}${ABC[0:8]}, 16);
	output += 2;
	}
	if (c & 1) {
	$if SSE >= 4:
	*output = (int8_t) _mm_extract_epi8(vout${ABC[0:8]}${ABC[0:8]}, 0);
	$else:
	*output = (int32_t) _mm_cvtsi128_si32(vout${ABC[0:8]}${ABC[0:8]});
	output += 1;
	}
	c = 0;
	}
	$else:
	if (c & 4) {
	((uint32_t) output) = (uint32_t) _mm_cvtsi128_si32(vout${ABC[0:8]}${ABC[0:8]});
	vout${ABC[0:8]}${ABC[0:8]} = _mm_srli_epi64(vout${ABC[0:8]}${ABC[0:8]}, 32);
	output += 4;
	}
	if (c & 2) {
	((uint16_t) output) = (uint16_t) _mm_extract_epi16(vout${ABC[0:8]}${ABC[0:8]}, 0);
	vout${ABC[0:8]}${ABC[0:8]} = _mm_srli_epi32(vout${ABC[0:8]}${ABC[0:8]}, 16);
	output += 2;
	}
	if (c & 1) {
	$if SSE >= 4:
	*output = (int8_t) _mm_extract_epi8(vout${ABC[0:8]}${ABC[0:8]}, 0);
	$else:
	*output = (int32_t) _mm_cvtsi128_si32(vout${ABC[0:8]}${ABC[0:8]});
	output += 1;
	}
	}${" while (c != 0);" if CHANNEL_TILE > 8 else ""}
	}

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