text: // Auto-generated file. Do not edit!
  //   Template: src/f32-hswish/avx.c.in
  //   Generator: tools/xngen
  //
  // Copyright 2019 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 <immintrin.h>
  
  #include <xnnpack/common.h>
  #include <xnnpack/vbinary.h>
  
  
  static const int32_t mask_table[14] = {-1, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0};
  
  void xnn_f32_hswish_ukernel__fma3_x16(
      size_t n,
      const float* x,
      float* y,
      const union xnn_f32_hswish_params params[restrict XNN_MIN_ELEMENTS(1)])
  {
    assert(n != 0);
    assert(n % sizeof(float) == 0);
  
    const __m256 vsixth = _mm256_broadcast_ps((const __m128*) params->sse.sixth);
    const __m256 vhalf = _mm256_broadcast_ps((const __m128*) params->sse.half);
    const __m256 vone = _mm256_broadcast_ps((const __m128*) params->sse.one);
    const __m256 vzero = _mm256_setzero_ps();
  
    for (; n >= 16 * sizeof(float); n -= 16 * sizeof(float)) {
      const __m256 vx01234567 = _mm256_loadu_ps(x);
      const __m256 vx89ABCDEF = _mm256_loadu_ps(x + 8);
      x += 16;
  
      __m256 vacc01234567 = _mm256_fmadd_ps(vx01234567, vsixth, vhalf);
      __m256 vacc89ABCDEF = _mm256_fmadd_ps(vx89ABCDEF, vsixth, vhalf);
  
      vacc01234567 = _mm256_max_ps(vacc01234567, vzero);
      vacc89ABCDEF = _mm256_max_ps(vacc89ABCDEF, vzero);
  
      vacc01234567 = _mm256_min_ps(vacc01234567, vone);
      vacc89ABCDEF = _mm256_min_ps(vacc89ABCDEF, vone);
  
      vacc01234567 = _mm256_mul_ps(vacc01234567, vx01234567);
      vacc89ABCDEF = _mm256_mul_ps(vacc89ABCDEF, vx89ABCDEF);
  
      _mm256_storeu_ps(y, vacc01234567);
      _mm256_storeu_ps(y + 8, vacc89ABCDEF);
      y += 16;
    }
    for (; n >= 8 * sizeof(float); n -= 8 * sizeof(float)) {
      const __m256 vx = _mm256_loadu_ps(x);
      x += 8;
      __m256 vacc = _mm256_fmadd_ps(vx, vsixth, vhalf);
      vacc = _mm256_max_ps(vacc, vzero);
      vacc = _mm256_min_ps(vacc, vone);
      vacc = _mm256_mul_ps(vacc, vx);
      _mm256_storeu_ps(y, vacc);
      y += 8;
    }
    if XNN_UNLIKELY(n != 0) {
      assert(n >= 1 * sizeof(float));
      assert(n <= 7 * sizeof(float));
      __m256i vmask = _mm256_loadu_si256((const __m256i*) ((uintptr_t) &mask_table[7] - n));
  
      const __m256 vx = _mm256_maskload_ps(x, vmask);
      __m256 vacc = _mm256_fmadd_ps(vx, vsixth, vhalf);
      vacc = _mm256_max_ps(vacc, vzero);
      vacc = _mm256_min_ps(vacc, vone);
      vacc = _mm256_mul_ps(vacc, vx);
  
      // _mm256_maskstore_ps(y, vmask, vacc) could be used here, but triggers msan failures (probably an msan bug).
      __m128 vacc_lo = _mm256_castps256_ps128(vacc);
      if (n & (4 * sizeof(float))) {
        _mm_storeu_ps(y, vacc_lo);
        vacc_lo = _mm256_extractf128_ps(vacc, 1);
        y += 4;
      }
      if (n & (2 * sizeof(float))) {
        _mm_storel_pi((__m64*) y, vacc_lo);
        vacc_lo = _mm_movehl_ps(vacc_lo, vacc_lo);
        y += 2;
      }
      if (n & (1 * sizeof(float))) {
        _mm_store_ss(y, vacc_lo);
      }
    }
  }
  