src/f32-dwconv2d-chw/gen/3x3s2p1-minmax-wasmsimd-arm-loadsplat-3x4.c - platform/external/XNNPACK - Gitiles

 // Auto-generated file. Do not edit!
 //   Template: src/f32-dwconv2d-chw/3x3s2p1-wasmsimd-loadsplat.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 <wasm_simd128.h>

 #include <xnnpack/dwconv.h>
 #include <xnnpack/math.h>


 void xnn_f32_dwconv2d_chw_ukernel_3x3s2p1__wasmsimd_arm_loadsplat_3x4(
     size_t input_height,
     size_t input_width,
     const float* input,
     const float* weights,
     const float* zero,
     float* output,
     uint32_t padding_top,
     const union xnn_f32_chw_params params[restrict XNN_MIN_ELEMENTS(1)])
 {
   assert(input_height != 0);
   assert(input_width != 0);
   assert(input_width % sizeof(float) == 0);
   assert(padding_top >= 0);
   assert(padding_top <= 1);

   const v128_t vmask_even = wasm_v128_load(params->scalar.mask_even);
   const v128_t vmask_odd  = wasm_v128_load(params->scalar.mask_odd);
   const v128_t vmax = wasm_v32x4_load_splat(&params->scalar.max);
   const v128_t vmin = wasm_v32x4_load_splat(&params->scalar.min);

   const v128_t vw0123 = wasm_v128_load(weights);
   const v128_t vw4567 = wasm_v128_load(weights + 4);
   const v128_t vw89 = wasm_v64x2_load_splat(weights + 8);
   const v128_t vbias = wasm_v32x4_shuffle(vw0123, vw0123, 0, 0, 0, 0);
   const v128_t vk00 = wasm_v32x4_shuffle(vw0123, vw0123, 1, 1, 1, 1);
   const v128_t vk01 = wasm_v32x4_shuffle(vw0123, vw0123, 2, 2, 2, 2);
   const v128_t vk02 = wasm_v32x4_shuffle(vw0123, vw0123, 3, 3, 3, 3);
   const v128_t vk10 = wasm_v32x4_shuffle(vw4567, vw4567, 0, 0, 0, 0);
   const v128_t vk11 = wasm_v32x4_shuffle(vw4567, vw4567, 1, 1, 1, 1);
   const v128_t vk12 = wasm_v32x4_shuffle(vw4567, vw4567, 2, 2, 2, 2);
   const v128_t vk20 = wasm_v32x4_shuffle(vw4567, vw4567, 3, 3, 3, 3);
   const v128_t vk21 = wasm_v32x4_shuffle(vw89, vw89, 0, 0, 0, 0);
   const v128_t vk22 = wasm_v32x4_shuffle(vw89, vw89, 1, 1, 1, 1);

   const v128_t vzero = wasm_f32x4_splat(0.0f);

   const size_t input_decrement = round_down_po2(input_width, 4 /* SIMD output width */ * 2 /* subsampling */ * sizeof(float));
   const size_t output_width = round_down_po2((input_width + (2 /* padding */ - 3 /* kernel size */ + 2 /* subsampling */) * sizeof(float)) / 2, sizeof(float));

   const float* i0 = (const float*) ((uintptr_t) input - ((-padding_top) & input_width));
   const float* i1 = (const float*) ((uintptr_t) i0 + input_width);
   if XNN_UNPREDICTABLE(padding_top != 0) {
     i0 = zero;
   }
   const float* i2 = (const float*) ((uintptr_t) i1 + input_width);
   const float* i3 = (const float*) ((uintptr_t) i2 + input_width);
   const float* i4 = (const float*) ((uintptr_t) i3 + input_width);
   const float* i5 = (const float*) ((uintptr_t) i4 + input_width);
   const float* i6 = (const float*) ((uintptr_t) i5 + input_width);

   float* o0 = output;
   float* o1 = (float*) ((uintptr_t) o0 + output_width);
   float* o2 = (float*) ((uintptr_t) o1 + output_width);

   size_t padded_input_height = input_height + padding_top + 1 /* padding bottom */;
   size_t output_height = (padded_input_height - 3 /* kernel size */ + 2 /* subsampling */) / 2;
   do {
     if XNN_UNPREDICTABLE(padded_input_height < 4) {
       i2 = zero;
     }
     if XNN_UNPREDICTABLE(padded_input_height < 5) {
       i3 = zero;
       o1 = o0;
     }
     if XNN_UNPREDICTABLE(padded_input_height < 6) {
       i4 = zero;
     }
     if XNN_UNPREDICTABLE(padded_input_height < 7) {
       i5 = zero;
       o2 = o1;
     }
     if XNN_UNPREDICTABLE(padded_input_height < 8) {
       i6 = zero;
     }

     v128_t vi0x1357 = vzero;
     v128_t vi1x1357 = vzero;
     v128_t vi2x1357 = vzero;
     v128_t vi3x1357 = vzero;
     v128_t vi4x1357 = vzero;
     v128_t vi5x1357 = vzero;
     v128_t vi6x1357 = vzero;

     size_t w = input_width;
     for (; w >= 8 * sizeof(float); w -= 8 * sizeof(float)) {
       v128_t vo0p0 = vbias;
       v128_t vo1p0 = vbias;
       v128_t vo2p0 = vbias;

       const v128_t vi0x89AB = wasm_v128_load(i0);
       const v128_t vi0xCDEF = wasm_v128_load(i0 + 4);
       i0 += 8;
       const v128_t vi1x89AB = wasm_v128_load(i1);
       const v128_t vi1xCDEF = wasm_v128_load(i1 + 4);
       i1 += 8;
       const v128_t vi2x89AB = wasm_v128_load(i2);
       const v128_t vi2xCDEF = wasm_v128_load(i2 + 4);
       i2 += 8;
       const v128_t vi3x89AB = wasm_v128_load(i3);
       const v128_t vi3xCDEF = wasm_v128_load(i3 + 4);
       i3 += 8;
       const v128_t vi4x89AB = wasm_v128_load(i4);
       const v128_t vi4xCDEF = wasm_v128_load(i4 + 4);
       i4 += 8;
       const v128_t vi5x89AB = wasm_v128_load(i5);
       const v128_t vi5xCDEF = wasm_v128_load(i5 + 4);
       i5 += 8;
       const v128_t vi6x89AB = wasm_v128_load(i6);
       const v128_t vi6xCDEF = wasm_v128_load(i6 + 4);
       i6 += 8;

       const v128_t vi0x8ACE = wasm_v32x4_shuffle(vi0x89AB, vi0xCDEF, 0, 2, 4, 6);
       const v128_t vi0x9BDF = wasm_v32x4_shuffle(vi0x89AB, vi0xCDEF, 1, 3, 5, 7);
       const v128_t vi1x8ACE = wasm_v32x4_shuffle(vi1x89AB, vi1xCDEF, 0, 2, 4, 6);
       const v128_t vi1x9BDF = wasm_v32x4_shuffle(vi1x89AB, vi1xCDEF, 1, 3, 5, 7);
       const v128_t vi2x8ACE = wasm_v32x4_shuffle(vi2x89AB, vi2xCDEF, 0, 2, 4, 6);
       const v128_t vi2x9BDF = wasm_v32x4_shuffle(vi2x89AB, vi2xCDEF, 1, 3, 5, 7);
       const v128_t vi3x8ACE = wasm_v32x4_shuffle(vi3x89AB, vi3xCDEF, 0, 2, 4, 6);
       const v128_t vi3x9BDF = wasm_v32x4_shuffle(vi3x89AB, vi3xCDEF, 1, 3, 5, 7);
       const v128_t vi4x8ACE = wasm_v32x4_shuffle(vi4x89AB, vi4xCDEF, 0, 2, 4, 6);
       const v128_t vi4x9BDF = wasm_v32x4_shuffle(vi4x89AB, vi4xCDEF, 1, 3, 5, 7);
       const v128_t vi5x8ACE = wasm_v32x4_shuffle(vi5x89AB, vi5xCDEF, 0, 2, 4, 6);
       const v128_t vi5x9BDF = wasm_v32x4_shuffle(vi5x89AB, vi5xCDEF, 1, 3, 5, 7);
       const v128_t vi6x8ACE = wasm_v32x4_shuffle(vi6x89AB, vi6xCDEF, 0, 2, 4, 6);
       const v128_t vi6x9BDF = wasm_v32x4_shuffle(vi6x89AB, vi6xCDEF, 1, 3, 5, 7);

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x8ACE, vk01));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi2x8ACE, vk01));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi4x8ACE, vk01));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x8ACE, vk11));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi3x8ACE, vk11));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi5x8ACE, vk11));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x8ACE, vk21));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi4x8ACE, vk21));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi6x8ACE, vk21));

       const v128_t vi0x7BDF = wasm_v32x4_shuffle(vi0x1357, vi0x9BDF, 3, 4, 5, 6);
       vi0x1357 = vi0x9BDF;
       const v128_t vi1x7BDF = wasm_v32x4_shuffle(vi1x1357, vi1x9BDF, 3, 4, 5, 6);
       vi1x1357 = vi1x9BDF;
       const v128_t vi2x7BDF = wasm_v32x4_shuffle(vi2x1357, vi2x9BDF, 3, 4, 5, 6);
       vi2x1357 = vi2x9BDF;
       const v128_t vi3x7BDF = wasm_v32x4_shuffle(vi3x1357, vi3x9BDF, 3, 4, 5, 6);
       vi3x1357 = vi3x9BDF;
       const v128_t vi4x7BDF = wasm_v32x4_shuffle(vi4x1357, vi4x9BDF, 3, 4, 5, 6);
       vi4x1357 = vi4x9BDF;
       const v128_t vi5x7BDF = wasm_v32x4_shuffle(vi5x1357, vi5x9BDF, 3, 4, 5, 6);
       vi5x1357 = vi5x9BDF;
       const v128_t vi6x7BDF = wasm_v32x4_shuffle(vi6x1357, vi6x9BDF, 3, 4, 5, 6);
       vi6x1357 = vi6x9BDF;

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x7BDF, vk00));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi2x7BDF, vk00));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi4x7BDF, vk00));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x7BDF, vk10));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi3x7BDF, vk10));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi5x7BDF, vk10));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x7BDF, vk20));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi4x7BDF, vk20));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi6x7BDF, vk20));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x9BDF, vk02));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi2x9BDF, vk02));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi4x9BDF, vk02));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x9BDF, vk12));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi3x9BDF, vk12));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi5x9BDF, vk12));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x9BDF, vk22));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi4x9BDF, vk22));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi6x9BDF, vk22));


       v128_t vo0 = wasm_f32x4_max(vo0p0, vmin);
       v128_t vo1 = wasm_f32x4_max(vo1p0, vmin);
       v128_t vo2 = wasm_f32x4_max(vo2p0, vmin);
       vo0 = wasm_f32x4_min(vo0, vmax);
       vo1 = wasm_f32x4_min(vo1, vmax);
       vo2 = wasm_f32x4_min(vo2, vmax);

       wasm_v128_store(o2, vo2); o2 += 4;
       wasm_v128_store(o1, vo1); o1 += 4;
       wasm_v128_store(o0, vo0); o0 += 4;
     }
     // Last block has 0-7 pixels to process.
     assert(w < 8 * sizeof(float));
     if XNN_LIKELY(w != 0) {
       v128_t vo0p0 = vbias;
       v128_t vo1p0 = vbias;
       v128_t vo2p0 = vbias;

       const v128_t vi0x89AB = wasm_v128_load(i0);
       const v128_t vi0xCDEF = wasm_v128_load(i0 + 4);
       const v128_t vi1x89AB = wasm_v128_load(i1);
       const v128_t vi1xCDEF = wasm_v128_load(i1 + 4);
       const v128_t vi2x89AB = wasm_v128_load(i2);
       const v128_t vi2xCDEF = wasm_v128_load(i2 + 4);
       const v128_t vi3x89AB = wasm_v128_load(i3);
       const v128_t vi3xCDEF = wasm_v128_load(i3 + 4);
       const v128_t vi4x89AB = wasm_v128_load(i4);
       const v128_t vi4xCDEF = wasm_v128_load(i4 + 4);
       const v128_t vi5x89AB = wasm_v128_load(i5);
       const v128_t vi5xCDEF = wasm_v128_load(i5 + 4);
       const v128_t vi6x89AB = wasm_v128_load(i6);
       const v128_t vi6xCDEF = wasm_v128_load(i6 + 4);

       const v128_t vi0x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi0x89AB, vi0xCDEF, 0, 2, 4, 6));
       const v128_t vi0x9BDF = wasm_v128_and(vmask_odd,  wasm_v32x4_shuffle(vi0x89AB, vi0xCDEF, 1, 3, 5, 7));
       const v128_t vi1x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi1x89AB, vi1xCDEF, 0, 2, 4, 6));
       const v128_t vi1x9BDF = wasm_v128_and(vmask_odd,  wasm_v32x4_shuffle(vi1x89AB, vi1xCDEF, 1, 3, 5, 7));
       const v128_t vi2x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi2x89AB, vi2xCDEF, 0, 2, 4, 6));
       const v128_t vi2x9BDF = wasm_v128_and(vmask_odd,  wasm_v32x4_shuffle(vi2x89AB, vi2xCDEF, 1, 3, 5, 7));
       const v128_t vi3x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi3x89AB, vi3xCDEF, 0, 2, 4, 6));
       const v128_t vi3x9BDF = wasm_v128_and(vmask_odd,  wasm_v32x4_shuffle(vi3x89AB, vi3xCDEF, 1, 3, 5, 7));
       const v128_t vi4x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi4x89AB, vi4xCDEF, 0, 2, 4, 6));
       const v128_t vi4x9BDF = wasm_v128_and(vmask_odd,  wasm_v32x4_shuffle(vi4x89AB, vi4xCDEF, 1, 3, 5, 7));
       const v128_t vi5x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi5x89AB, vi5xCDEF, 0, 2, 4, 6));
       const v128_t vi5x9BDF = wasm_v128_and(vmask_odd,  wasm_v32x4_shuffle(vi5x89AB, vi5xCDEF, 1, 3, 5, 7));
       const v128_t vi6x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi6x89AB, vi6xCDEF, 0, 2, 4, 6));
       const v128_t vi6x9BDF = wasm_v128_and(vmask_odd,  wasm_v32x4_shuffle(vi6x89AB, vi6xCDEF, 1, 3, 5, 7));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x8ACE, vk01));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi2x8ACE, vk01));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi4x8ACE, vk01));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x8ACE, vk11));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi3x8ACE, vk11));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi5x8ACE, vk11));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x8ACE, vk21));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi4x8ACE, vk21));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi6x8ACE, vk21));

       const v128_t vi0x7BDF = wasm_v32x4_shuffle(vi0x1357, vi0x9BDF, 3, 4, 5, 6);
       const v128_t vi1x7BDF = wasm_v32x4_shuffle(vi1x1357, vi1x9BDF, 3, 4, 5, 6);
       const v128_t vi2x7BDF = wasm_v32x4_shuffle(vi2x1357, vi2x9BDF, 3, 4, 5, 6);
       const v128_t vi3x7BDF = wasm_v32x4_shuffle(vi3x1357, vi3x9BDF, 3, 4, 5, 6);
       const v128_t vi4x7BDF = wasm_v32x4_shuffle(vi4x1357, vi4x9BDF, 3, 4, 5, 6);
       const v128_t vi5x7BDF = wasm_v32x4_shuffle(vi5x1357, vi5x9BDF, 3, 4, 5, 6);
       const v128_t vi6x7BDF = wasm_v32x4_shuffle(vi6x1357, vi6x9BDF, 3, 4, 5, 6);

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x7BDF, vk00));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi2x7BDF, vk00));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi4x7BDF, vk00));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x7BDF, vk10));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi3x7BDF, vk10));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi5x7BDF, vk10));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x7BDF, vk20));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi4x7BDF, vk20));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi6x7BDF, vk20));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x9BDF, vk02));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi2x9BDF, vk02));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi4x9BDF, vk02));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x9BDF, vk12));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi3x9BDF, vk12));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi5x9BDF, vk12));

       vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x9BDF, vk22));
       vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi4x9BDF, vk22));
       vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi6x9BDF, vk22));


       v128_t vo0 = wasm_f32x4_max(vo0p0, vmin);
       v128_t vo1 = wasm_f32x4_max(vo1p0, vmin);
       v128_t vo2 = wasm_f32x4_max(vo2p0, vmin);
       vo0 = wasm_f32x4_min(vo0, vmax);
       vo1 = wasm_f32x4_min(vo1, vmax);
       vo2 = wasm_f32x4_min(vo2, vmax);

       w += 1 * sizeof(float);
       if (w & (8 * sizeof(float))) {
         wasm_v128_store(o2, vo2); o2 += 4;
         wasm_v128_store(o1, vo1); o1 += 4;
         wasm_v128_store(o0, vo0); o0 += 4;
       } else {
         if (w & (4 * sizeof(float))) {
           *((double*) o2) = wasm_f64x2_extract_lane(vo2, 0); o2 += 2;
           *((double*) o1) = wasm_f64x2_extract_lane(vo1, 0); o1 += 2;
           *((double*) o0) = wasm_f64x2_extract_lane(vo0, 0); o0 += 2;

           vo0 = wasm_v32x4_shuffle(vo0, vo0, 2, 3, 0, 1);
           vo1 = wasm_v32x4_shuffle(vo1, vo1, 2, 3, 0, 1);
           vo2 = wasm_v32x4_shuffle(vo2, vo2, 2, 3, 0, 1);
         }
         if (w & (2 * sizeof(float))) {
           *o2 = wasm_f32x4_extract_lane(vo2, 0); o2 += 1;
           *o1 = wasm_f32x4_extract_lane(vo1, 0); o1 += 1;
           *o0 = wasm_f32x4_extract_lane(vo0, 0); o0 += 1;
         }
       }
     }

     i0 = (const float*) ((uintptr_t) i6 - input_decrement);
     i1 = (const float*) ((uintptr_t) i0 + input_width);
     i2 = (const float*) ((uintptr_t) i1 + input_width);
     i3 = (const float*) ((uintptr_t) i2 + input_width);
     i4 = (const float*) ((uintptr_t) i3 + input_width);
     i5 = (const float*) ((uintptr_t) i4 + input_width);
     i6 = (const float*) ((uintptr_t) i5 + input_width);

     o0 = o2;
     o1 = (float*) ((uintptr_t) o0 + output_width);
     o2 = (float*) ((uintptr_t) o1 + output_width);

     output_height = doz(output_height, 3);
     padded_input_height = doz(padded_input_height, 6);
   } while (output_height != 0);
 }
	// Auto-generated file. Do not edit!
	// Template: src/f32-dwconv2d-chw/3x3s2p1-wasmsimd-loadsplat.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 <wasm_simd128.h>

	#include <xnnpack/dwconv.h>
	#include <xnnpack/math.h>



	void xnn_f32_dwconv2d_chw_ukernel_3x3s2p1__wasmsimd_arm_loadsplat_3x4(
	size_t input_height,
	size_t input_width,
	const float* input,
	const float* weights,
	const float* zero,
	float* output,
	uint32_t padding_top,
	const union xnn_f32_chw_params params[restrict XNN_MIN_ELEMENTS(1)])
	{
	assert(input_height != 0);
	assert(input_width != 0);
	assert(input_width % sizeof(float) == 0);
	assert(padding_top >= 0);
	assert(padding_top <= 1);

	const v128_t vmask_even = wasm_v128_load(params->scalar.mask_even);
	const v128_t vmask_odd = wasm_v128_load(params->scalar.mask_odd);
	const v128_t vmax = wasm_v32x4_load_splat(&params->scalar.max);
	const v128_t vmin = wasm_v32x4_load_splat(&params->scalar.min);

	const v128_t vw0123 = wasm_v128_load(weights);
	const v128_t vw4567 = wasm_v128_load(weights + 4);
	const v128_t vw89 = wasm_v64x2_load_splat(weights + 8);
	const v128_t vbias = wasm_v32x4_shuffle(vw0123, vw0123, 0, 0, 0, 0);
	const v128_t vk00 = wasm_v32x4_shuffle(vw0123, vw0123, 1, 1, 1, 1);
	const v128_t vk01 = wasm_v32x4_shuffle(vw0123, vw0123, 2, 2, 2, 2);
	const v128_t vk02 = wasm_v32x4_shuffle(vw0123, vw0123, 3, 3, 3, 3);
	const v128_t vk10 = wasm_v32x4_shuffle(vw4567, vw4567, 0, 0, 0, 0);
	const v128_t vk11 = wasm_v32x4_shuffle(vw4567, vw4567, 1, 1, 1, 1);
	const v128_t vk12 = wasm_v32x4_shuffle(vw4567, vw4567, 2, 2, 2, 2);
	const v128_t vk20 = wasm_v32x4_shuffle(vw4567, vw4567, 3, 3, 3, 3);
	const v128_t vk21 = wasm_v32x4_shuffle(vw89, vw89, 0, 0, 0, 0);
	const v128_t vk22 = wasm_v32x4_shuffle(vw89, vw89, 1, 1, 1, 1);

	const v128_t vzero = wasm_f32x4_splat(0.0f);

	const size_t input_decrement = round_down_po2(input_width, 4 /* SIMD output width / 2 /* subsampling / sizeof(float));
	const size_t output_width = round_down_po2((input_width + (2 /* padding / - 3 / kernel size / + 2 / subsampling /) sizeof(float)) / 2, sizeof(float));

	const float* i0 = (const float*) ((uintptr_t) input - ((-padding_top) & input_width));
	const float* i1 = (const float*) ((uintptr_t) i0 + input_width);
	if XNN_UNPREDICTABLE(padding_top != 0) {
	i0 = zero;
	}
	const float* i2 = (const float*) ((uintptr_t) i1 + input_width);
	const float* i3 = (const float*) ((uintptr_t) i2 + input_width);
	const float* i4 = (const float*) ((uintptr_t) i3 + input_width);
	const float* i5 = (const float*) ((uintptr_t) i4 + input_width);
	const float* i6 = (const float*) ((uintptr_t) i5 + input_width);

	float* o0 = output;
	float* o1 = (float*) ((uintptr_t) o0 + output_width);
	float* o2 = (float*) ((uintptr_t) o1 + output_width);

	size_t padded_input_height = input_height + padding_top + 1 /* padding bottom */;
	size_t output_height = (padded_input_height - 3 /* kernel size / + 2 / subsampling */) / 2;
	do {
	if XNN_UNPREDICTABLE(padded_input_height < 4) {
	i2 = zero;
	}
	if XNN_UNPREDICTABLE(padded_input_height < 5) {
	i3 = zero;
	o1 = o0;
	}
	if XNN_UNPREDICTABLE(padded_input_height < 6) {
	i4 = zero;
	}
	if XNN_UNPREDICTABLE(padded_input_height < 7) {
	i5 = zero;
	o2 = o1;
	}
	if XNN_UNPREDICTABLE(padded_input_height < 8) {
	i6 = zero;
	}

	v128_t vi0x1357 = vzero;
	v128_t vi1x1357 = vzero;
	v128_t vi2x1357 = vzero;
	v128_t vi3x1357 = vzero;
	v128_t vi4x1357 = vzero;
	v128_t vi5x1357 = vzero;
	v128_t vi6x1357 = vzero;

	size_t w = input_width;
	for (; w >= 8 * sizeof(float); w -= 8 * sizeof(float)) {
	v128_t vo0p0 = vbias;
	v128_t vo1p0 = vbias;
	v128_t vo2p0 = vbias;

	const v128_t vi0x89AB = wasm_v128_load(i0);
	const v128_t vi0xCDEF = wasm_v128_load(i0 + 4);
	i0 += 8;
	const v128_t vi1x89AB = wasm_v128_load(i1);
	const v128_t vi1xCDEF = wasm_v128_load(i1 + 4);
	i1 += 8;
	const v128_t vi2x89AB = wasm_v128_load(i2);
	const v128_t vi2xCDEF = wasm_v128_load(i2 + 4);
	i2 += 8;
	const v128_t vi3x89AB = wasm_v128_load(i3);
	const v128_t vi3xCDEF = wasm_v128_load(i3 + 4);
	i3 += 8;
	const v128_t vi4x89AB = wasm_v128_load(i4);
	const v128_t vi4xCDEF = wasm_v128_load(i4 + 4);
	i4 += 8;
	const v128_t vi5x89AB = wasm_v128_load(i5);
	const v128_t vi5xCDEF = wasm_v128_load(i5 + 4);
	i5 += 8;
	const v128_t vi6x89AB = wasm_v128_load(i6);
	const v128_t vi6xCDEF = wasm_v128_load(i6 + 4);
	i6 += 8;

	const v128_t vi0x8ACE = wasm_v32x4_shuffle(vi0x89AB, vi0xCDEF, 0, 2, 4, 6);
	const v128_t vi0x9BDF = wasm_v32x4_shuffle(vi0x89AB, vi0xCDEF, 1, 3, 5, 7);
	const v128_t vi1x8ACE = wasm_v32x4_shuffle(vi1x89AB, vi1xCDEF, 0, 2, 4, 6);
	const v128_t vi1x9BDF = wasm_v32x4_shuffle(vi1x89AB, vi1xCDEF, 1, 3, 5, 7);
	const v128_t vi2x8ACE = wasm_v32x4_shuffle(vi2x89AB, vi2xCDEF, 0, 2, 4, 6);
	const v128_t vi2x9BDF = wasm_v32x4_shuffle(vi2x89AB, vi2xCDEF, 1, 3, 5, 7);
	const v128_t vi3x8ACE = wasm_v32x4_shuffle(vi3x89AB, vi3xCDEF, 0, 2, 4, 6);
	const v128_t vi3x9BDF = wasm_v32x4_shuffle(vi3x89AB, vi3xCDEF, 1, 3, 5, 7);
	const v128_t vi4x8ACE = wasm_v32x4_shuffle(vi4x89AB, vi4xCDEF, 0, 2, 4, 6);
	const v128_t vi4x9BDF = wasm_v32x4_shuffle(vi4x89AB, vi4xCDEF, 1, 3, 5, 7);
	const v128_t vi5x8ACE = wasm_v32x4_shuffle(vi5x89AB, vi5xCDEF, 0, 2, 4, 6);
	const v128_t vi5x9BDF = wasm_v32x4_shuffle(vi5x89AB, vi5xCDEF, 1, 3, 5, 7);
	const v128_t vi6x8ACE = wasm_v32x4_shuffle(vi6x89AB, vi6xCDEF, 0, 2, 4, 6);
	const v128_t vi6x9BDF = wasm_v32x4_shuffle(vi6x89AB, vi6xCDEF, 1, 3, 5, 7);

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x8ACE, vk01));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi2x8ACE, vk01));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi4x8ACE, vk01));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x8ACE, vk11));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi3x8ACE, vk11));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi5x8ACE, vk11));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x8ACE, vk21));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi4x8ACE, vk21));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi6x8ACE, vk21));

	const v128_t vi0x7BDF = wasm_v32x4_shuffle(vi0x1357, vi0x9BDF, 3, 4, 5, 6);
	vi0x1357 = vi0x9BDF;
	const v128_t vi1x7BDF = wasm_v32x4_shuffle(vi1x1357, vi1x9BDF, 3, 4, 5, 6);
	vi1x1357 = vi1x9BDF;
	const v128_t vi2x7BDF = wasm_v32x4_shuffle(vi2x1357, vi2x9BDF, 3, 4, 5, 6);
	vi2x1357 = vi2x9BDF;
	const v128_t vi3x7BDF = wasm_v32x4_shuffle(vi3x1357, vi3x9BDF, 3, 4, 5, 6);
	vi3x1357 = vi3x9BDF;
	const v128_t vi4x7BDF = wasm_v32x4_shuffle(vi4x1357, vi4x9BDF, 3, 4, 5, 6);
	vi4x1357 = vi4x9BDF;
	const v128_t vi5x7BDF = wasm_v32x4_shuffle(vi5x1357, vi5x9BDF, 3, 4, 5, 6);
	vi5x1357 = vi5x9BDF;
	const v128_t vi6x7BDF = wasm_v32x4_shuffle(vi6x1357, vi6x9BDF, 3, 4, 5, 6);
	vi6x1357 = vi6x9BDF;

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x7BDF, vk00));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi2x7BDF, vk00));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi4x7BDF, vk00));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x7BDF, vk10));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi3x7BDF, vk10));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi5x7BDF, vk10));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x7BDF, vk20));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi4x7BDF, vk20));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi6x7BDF, vk20));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x9BDF, vk02));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi2x9BDF, vk02));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi4x9BDF, vk02));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x9BDF, vk12));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi3x9BDF, vk12));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi5x9BDF, vk12));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x9BDF, vk22));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi4x9BDF, vk22));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi6x9BDF, vk22));


	v128_t vo0 = wasm_f32x4_max(vo0p0, vmin);
	v128_t vo1 = wasm_f32x4_max(vo1p0, vmin);
	v128_t vo2 = wasm_f32x4_max(vo2p0, vmin);
	vo0 = wasm_f32x4_min(vo0, vmax);
	vo1 = wasm_f32x4_min(vo1, vmax);
	vo2 = wasm_f32x4_min(vo2, vmax);

	wasm_v128_store(o2, vo2); o2 += 4;
	wasm_v128_store(o1, vo1); o1 += 4;
	wasm_v128_store(o0, vo0); o0 += 4;
	}
	// Last block has 0-7 pixels to process.
	assert(w < 8 * sizeof(float));
	if XNN_LIKELY(w != 0) {
	v128_t vo0p0 = vbias;
	v128_t vo1p0 = vbias;
	v128_t vo2p0 = vbias;

	const v128_t vi0x89AB = wasm_v128_load(i0);
	const v128_t vi0xCDEF = wasm_v128_load(i0 + 4);
	const v128_t vi1x89AB = wasm_v128_load(i1);
	const v128_t vi1xCDEF = wasm_v128_load(i1 + 4);
	const v128_t vi2x89AB = wasm_v128_load(i2);
	const v128_t vi2xCDEF = wasm_v128_load(i2 + 4);
	const v128_t vi3x89AB = wasm_v128_load(i3);
	const v128_t vi3xCDEF = wasm_v128_load(i3 + 4);
	const v128_t vi4x89AB = wasm_v128_load(i4);
	const v128_t vi4xCDEF = wasm_v128_load(i4 + 4);
	const v128_t vi5x89AB = wasm_v128_load(i5);
	const v128_t vi5xCDEF = wasm_v128_load(i5 + 4);
	const v128_t vi6x89AB = wasm_v128_load(i6);
	const v128_t vi6xCDEF = wasm_v128_load(i6 + 4);

	const v128_t vi0x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi0x89AB, vi0xCDEF, 0, 2, 4, 6));
	const v128_t vi0x9BDF = wasm_v128_and(vmask_odd, wasm_v32x4_shuffle(vi0x89AB, vi0xCDEF, 1, 3, 5, 7));
	const v128_t vi1x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi1x89AB, vi1xCDEF, 0, 2, 4, 6));
	const v128_t vi1x9BDF = wasm_v128_and(vmask_odd, wasm_v32x4_shuffle(vi1x89AB, vi1xCDEF, 1, 3, 5, 7));
	const v128_t vi2x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi2x89AB, vi2xCDEF, 0, 2, 4, 6));
	const v128_t vi2x9BDF = wasm_v128_and(vmask_odd, wasm_v32x4_shuffle(vi2x89AB, vi2xCDEF, 1, 3, 5, 7));
	const v128_t vi3x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi3x89AB, vi3xCDEF, 0, 2, 4, 6));
	const v128_t vi3x9BDF = wasm_v128_and(vmask_odd, wasm_v32x4_shuffle(vi3x89AB, vi3xCDEF, 1, 3, 5, 7));
	const v128_t vi4x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi4x89AB, vi4xCDEF, 0, 2, 4, 6));
	const v128_t vi4x9BDF = wasm_v128_and(vmask_odd, wasm_v32x4_shuffle(vi4x89AB, vi4xCDEF, 1, 3, 5, 7));
	const v128_t vi5x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi5x89AB, vi5xCDEF, 0, 2, 4, 6));
	const v128_t vi5x9BDF = wasm_v128_and(vmask_odd, wasm_v32x4_shuffle(vi5x89AB, vi5xCDEF, 1, 3, 5, 7));
	const v128_t vi6x8ACE = wasm_v128_and(vmask_even, wasm_v32x4_shuffle(vi6x89AB, vi6xCDEF, 0, 2, 4, 6));
	const v128_t vi6x9BDF = wasm_v128_and(vmask_odd, wasm_v32x4_shuffle(vi6x89AB, vi6xCDEF, 1, 3, 5, 7));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x8ACE, vk01));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi2x8ACE, vk01));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi4x8ACE, vk01));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x8ACE, vk11));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi3x8ACE, vk11));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi5x8ACE, vk11));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x8ACE, vk21));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi4x8ACE, vk21));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi6x8ACE, vk21));

	const v128_t vi0x7BDF = wasm_v32x4_shuffle(vi0x1357, vi0x9BDF, 3, 4, 5, 6);
	const v128_t vi1x7BDF = wasm_v32x4_shuffle(vi1x1357, vi1x9BDF, 3, 4, 5, 6);
	const v128_t vi2x7BDF = wasm_v32x4_shuffle(vi2x1357, vi2x9BDF, 3, 4, 5, 6);
	const v128_t vi3x7BDF = wasm_v32x4_shuffle(vi3x1357, vi3x9BDF, 3, 4, 5, 6);
	const v128_t vi4x7BDF = wasm_v32x4_shuffle(vi4x1357, vi4x9BDF, 3, 4, 5, 6);
	const v128_t vi5x7BDF = wasm_v32x4_shuffle(vi5x1357, vi5x9BDF, 3, 4, 5, 6);
	const v128_t vi6x7BDF = wasm_v32x4_shuffle(vi6x1357, vi6x9BDF, 3, 4, 5, 6);

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x7BDF, vk00));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi2x7BDF, vk00));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi4x7BDF, vk00));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x7BDF, vk10));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi3x7BDF, vk10));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi5x7BDF, vk10));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x7BDF, vk20));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi4x7BDF, vk20));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi6x7BDF, vk20));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi0x9BDF, vk02));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi2x9BDF, vk02));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi4x9BDF, vk02));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi1x9BDF, vk12));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi3x9BDF, vk12));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi5x9BDF, vk12));

	vo0p0 = wasm_f32x4_add(vo0p0, wasm_f32x4_mul(vi2x9BDF, vk22));
	vo1p0 = wasm_f32x4_add(vo1p0, wasm_f32x4_mul(vi4x9BDF, vk22));
	vo2p0 = wasm_f32x4_add(vo2p0, wasm_f32x4_mul(vi6x9BDF, vk22));


	v128_t vo0 = wasm_f32x4_max(vo0p0, vmin);
	v128_t vo1 = wasm_f32x4_max(vo1p0, vmin);
	v128_t vo2 = wasm_f32x4_max(vo2p0, vmin);
	vo0 = wasm_f32x4_min(vo0, vmax);
	vo1 = wasm_f32x4_min(vo1, vmax);
	vo2 = wasm_f32x4_min(vo2, vmax);

	w += 1 * sizeof(float);
	if (w & (8 * sizeof(float))) {
	wasm_v128_store(o2, vo2); o2 += 4;
	wasm_v128_store(o1, vo1); o1 += 4;
	wasm_v128_store(o0, vo0); o0 += 4;
	} else {
	if (w & (4 * sizeof(float))) {
	((double) o2) = wasm_f64x2_extract_lane(vo2, 0); o2 += 2;
	((double) o1) = wasm_f64x2_extract_lane(vo1, 0); o1 += 2;
	((double) o0) = wasm_f64x2_extract_lane(vo0, 0); o0 += 2;

	vo0 = wasm_v32x4_shuffle(vo0, vo0, 2, 3, 0, 1);
	vo1 = wasm_v32x4_shuffle(vo1, vo1, 2, 3, 0, 1);
	vo2 = wasm_v32x4_shuffle(vo2, vo2, 2, 3, 0, 1);
	}
	if (w & (2 * sizeof(float))) {
	*o2 = wasm_f32x4_extract_lane(vo2, 0); o2 += 1;
	*o1 = wasm_f32x4_extract_lane(vo1, 0); o1 += 1;
	*o0 = wasm_f32x4_extract_lane(vo0, 0); o0 += 1;
	}
	}
	}

	i0 = (const float*) ((uintptr_t) i6 - input_decrement);
	i1 = (const float*) ((uintptr_t) i0 + input_width);
	i2 = (const float*) ((uintptr_t) i1 + input_width);
	i3 = (const float*) ((uintptr_t) i2 + input_width);
	i4 = (const float*) ((uintptr_t) i3 + input_width);
	i5 = (const float*) ((uintptr_t) i4 + input_width);
	i6 = (const float*) ((uintptr_t) i5 + input_width);

	o0 = o2;
	o1 = (float*) ((uintptr_t) o0 + output_width);
	o2 = (float*) ((uintptr_t) o1 + output_width);

	output_height = doz(output_height, 3);
	padded_input_height = doz(padded_input_height, 6);
	} while (output_height != 0);
	}