text: // Auto-generated file. Do not edit!
  //   Template: src/f32-igemm/MRx2c4-wasmsimd.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/igemm.h>
  
  
  void xnn_f32_igemm_relu_ukernel_4x2c4__wasmsimd(
      size_t mr,
      size_t nc,
      size_t kc,
      size_t ks,
      const float**restrict a,
      const float*restrict w,
      float*restrict c,
      size_t cm_stride,
      size_t cn_stride,
      size_t a_offset,
      const float* zero,
      const union xnn_f32_relu_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(float) == 0);
    assert(ks != 0);
    assert(ks % (4 * sizeof(void*)) == 0);
    assert(a_offset % sizeof(float) == 0);
    assert(a != NULL);
    assert(w != NULL);
    assert(c != NULL);
  
    float* c0 = c;
    float* c1 = (float*) ((uintptr_t) c0 + cm_stride);
    if XNN_UNPREDICTABLE(mr < 2) {
      c1 = c0;
    }
    float* c2 = (float*) ((uintptr_t) c1 + cm_stride);
    if XNN_UNPREDICTABLE(mr <= 2) {
      c2 = c1;
    }
    float* c3 = (float*) ((uintptr_t) c2 + cm_stride);
    if XNN_UNPREDICTABLE(mr != 4) {
      c3 = c2;
    }
  
    do {
      v128_t vacc0x0c4 = wasm_f32x4_replace_lane(wasm_f32x4_const_splat(0.0f), 0, w[0]);
      v128_t vacc0x1c4 = wasm_f32x4_replace_lane(vacc0x0c4, 0, w[1]);
      v128_t vacc1x0c4 = vacc0x0c4;
      v128_t vacc1x1c4 = vacc0x1c4;
      v128_t vacc2x0c4 = vacc0x0c4;
      v128_t vacc2x1c4 = vacc0x1c4;
      v128_t vacc3x0c4 = vacc0x0c4;
      v128_t vacc3x1c4 = vacc0x1c4;
      w += 2;
  
      size_t p = ks;
      do {
        const float* restrict a0 = a[0];
        assert(a0 != NULL);
        if XNN_UNPREDICTABLE(a0 != zero) {
          a0 = (const float*) ((uintptr_t) a0 + a_offset);
        }
        const float* restrict a1 = a[1];
        assert(a1 != NULL);
        if XNN_UNPREDICTABLE(a1 != zero) {
          a1 = (const float*) ((uintptr_t) a1 + a_offset);
        }
        const float* restrict a2 = a[2];
        assert(a2 != NULL);
        if XNN_UNPREDICTABLE(a2 != zero) {
          a2 = (const float*) ((uintptr_t) a2 + a_offset);
        }
        const float* restrict a3 = a[3];
        assert(a3 != NULL);
        if XNN_UNPREDICTABLE(a3 != zero) {
          a3 = (const float*) ((uintptr_t) a3 + a_offset);
        }
        a += 4;
  
        size_t k = kc;
        for (; k >= 4 * sizeof(float); k -= 4 * sizeof(float)) {
          const v128_t va0 = wasm_v128_load(a0);
          a0 += 4;
          const v128_t va1 = wasm_v128_load(a1);
          a1 += 4;
          const v128_t va2 = wasm_v128_load(a2);
          a2 += 4;
          const v128_t va3 = wasm_v128_load(a3);
          a3 += 4;
  
          const v128_t vb0 = wasm_v128_load(w);
          const v128_t vb1 = wasm_v128_load(w + 4);
          w += 8;
  
          vacc0x0c4 = wasm_f32x4_add(vacc0x0c4, wasm_f32x4_mul(va0, vb0));
          vacc0x1c4 = wasm_f32x4_add(vacc0x1c4, wasm_f32x4_mul(va0, vb1));
          vacc1x0c4 = wasm_f32x4_add(vacc1x0c4, wasm_f32x4_mul(va1, vb0));
          vacc1x1c4 = wasm_f32x4_add(vacc1x1c4, wasm_f32x4_mul(va1, vb1));
          vacc2x0c4 = wasm_f32x4_add(vacc2x0c4, wasm_f32x4_mul(va2, vb0));
          vacc2x1c4 = wasm_f32x4_add(vacc2x1c4, wasm_f32x4_mul(va2, vb1));
          vacc3x0c4 = wasm_f32x4_add(vacc3x0c4, wasm_f32x4_mul(va3, vb0));
          vacc3x1c4 = wasm_f32x4_add(vacc3x1c4, wasm_f32x4_mul(va3, vb1));
        }
        if XNN_UNLIKELY(k != 0) {
          const v128_t va0 = wasm_v128_load(a0);
          const v128_t va1 = wasm_v128_load(a1);
          const v128_t va2 = wasm_v128_load(a2);
          const v128_t va3 = wasm_v128_load(a3);
  
          const v128_t vb0 = wasm_v128_load(w);
          const v128_t vb1 = wasm_v128_load(w + 4);
          w += 8;
  
          const v128_t vzero = wasm_f32x4_const_splat(0.0f);
          const v128_t vmask0 = wasm_f32x4_eq(vb0, vzero);
          const v128_t vmask1 = wasm_f32x4_eq(vb1, vzero);
  
          vacc0x0c4 = wasm_f32x4_add(vacc0x0c4, wasm_f32x4_mul(wasm_v128_andnot(va0, vmask0), vb0));
          vacc0x1c4 = wasm_f32x4_add(vacc0x1c4, wasm_f32x4_mul(wasm_v128_andnot(va0, vmask1), vb1));
          vacc1x0c4 = wasm_f32x4_add(vacc1x0c4, wasm_f32x4_mul(wasm_v128_andnot(va1, vmask0), vb0));
          vacc1x1c4 = wasm_f32x4_add(vacc1x1c4, wasm_f32x4_mul(wasm_v128_andnot(va1, vmask1), vb1));
          vacc2x0c4 = wasm_f32x4_add(vacc2x0c4, wasm_f32x4_mul(wasm_v128_andnot(va2, vmask0), vb0));
          vacc2x1c4 = wasm_f32x4_add(vacc2x1c4, wasm_f32x4_mul(wasm_v128_andnot(va2, vmask1), vb1));
          vacc3x0c4 = wasm_f32x4_add(vacc3x0c4, wasm_f32x4_mul(wasm_v128_andnot(va3, vmask0), vb0));
          vacc3x1c4 = wasm_f32x4_add(vacc3x1c4, wasm_f32x4_mul(wasm_v128_andnot(va3, vmask1), vb1));
        }
        p -= 4 * sizeof(void*);
      } while (p != 0);
  
      const v128_t vacc0x01c2 = wasm_f32x4_add(
        wasm_v32x4_shuffle(vacc0x0c4, vacc0x1c4, 0, 4, 1, 5),
        wasm_v32x4_shuffle(vacc0x0c4, vacc0x1c4, 2, 6, 3, 7));
      const v128_t vacc1x01c2 = wasm_f32x4_add(
        wasm_v32x4_shuffle(vacc1x0c4, vacc1x1c4, 0, 4, 1, 5),
        wasm_v32x4_shuffle(vacc1x0c4, vacc1x1c4, 2, 6, 3, 7));
      const v128_t vacc2x01c2 = wasm_f32x4_add(
        wasm_v32x4_shuffle(vacc2x0c4, vacc2x1c4, 0, 4, 1, 5),
        wasm_v32x4_shuffle(vacc2x0c4, vacc2x1c4, 2, 6, 3, 7));
      const v128_t vacc3x01c2 = wasm_f32x4_add(
        wasm_v32x4_shuffle(vacc3x0c4, vacc3x1c4, 0, 4, 1, 5),
        wasm_v32x4_shuffle(vacc3x0c4, vacc3x1c4, 2, 6, 3, 7));
  
      v128_t vacc01x01 = wasm_f32x4_add(
        wasm_v32x4_shuffle(vacc0x01c2, vacc1x01c2, 0, 1, 4, 5),
        wasm_v32x4_shuffle(vacc0x01c2, vacc1x01c2, 2, 3, 6, 7));
      v128_t vacc23x01 = wasm_f32x4_add(
        wasm_v32x4_shuffle(vacc2x01c2, vacc3x01c2, 0, 1, 4, 5),
        wasm_v32x4_shuffle(vacc2x01c2, vacc3x01c2, 2, 3, 6, 7));
  
      const v128_t vzero = wasm_i32x4_const_splat(0);
      vacc01x01 = wasm_i32x4_max(vacc01x01, vzero);
      vacc23x01 = wasm_i32x4_max(vacc23x01, vzero);
  
      if XNN_LIKELY(nc >= 2) {
        *((double*) c3) = wasm_f64x2_extract_lane(vacc23x01, 1);
        c3 = (float*) ((uintptr_t) c3 + cn_stride);
        *((double*) c2) = wasm_f64x2_extract_lane(vacc23x01, 0);
        c2 = (float*) ((uintptr_t) c2 + cn_stride);
        *((double*) c1) = wasm_f64x2_extract_lane(vacc01x01, 1);
        c1 = (float*) ((uintptr_t) c1 + cn_stride);
        *((double*) c0) = wasm_f64x2_extract_lane(vacc01x01, 0);
        c0 = (float*) ((uintptr_t) c0 + cn_stride);
  
        a = (const float**restrict) ((uintptr_t) a - ks);
        nc -= 2;
      } else {
        assert(nc == 1);
        *c3 = wasm_f32x4_extract_lane(vacc23x01, 2);
        *c2 = wasm_f32x4_extract_lane(vacc23x01, 0);
        *c1 = wasm_f32x4_extract_lane(vacc01x01, 2);
        *c0 = wasm_f32x4_extract_lane(vacc01x01, 0);
  
        nc = 0;
      }
    } while (nc != 0);
  }
  