text: // Auto-generated file. Do not edit!
  //   Template: src/f32-vsigmoid/avx512f-rr1-lut16-p3-perm-scalef.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 <immintrin.h>
  
  #include <xnnpack/common.h>
  #include <xnnpack/intrinsics-polyfill.h>
  #include <xnnpack/vunary.h>
  
  
  void xnn_f32_vsigmoid_ukernel__avx512f_rr1_lut16_p3_perm_scalef_div_x128(
      size_t n,
      const float* x,
      float* y,
      const union xnn_f32_sigmoid_params params[restrict XNN_MIN_ELEMENTS(1)])
  {
    assert(n % sizeof(float) == 0);
  
    const __m512i vsign_mask = _mm512_set1_epi32((int) params->avx512_rr1_lut16_p3.sign_mask);
    const __m512 vmagic_bias = _mm512_set1_ps(params->avx512_rr1_lut16_p3.magic_bias);
    const __m512 vlog2e = _mm512_set1_ps(params->avx512_rr1_lut16_p3.log2e);
    const __m512 vtable = _mm512_load_ps(params->avx512_rr1_lut16_p3.table);
    const __m512 vminus_ln2 = _mm512_set1_ps(params->avx512_rr1_lut16_p3.minus_ln2);
    const __m512 vc3 = _mm512_set1_ps(params->avx512_rr1_lut16_p3.c3);
    const __m512 vc2 = _mm512_set1_ps(params->avx512_rr1_lut16_p3.c2);
    const __m512 vone = _mm512_set1_ps(params->avx512_rr1_lut16_p3.one);
  
    for (; n >= 128 * sizeof(float); n -= 128 * sizeof(float)) {
      const __m512 vx0 = _mm512_loadu_ps(x);
      const __m512 vx1 = _mm512_loadu_ps(x + 16);
      const __m512 vx2 = _mm512_loadu_ps(x + 32);
      const __m512 vx3 = _mm512_loadu_ps(x + 48);
      const __m512 vx4 = _mm512_loadu_ps(x + 64);
      const __m512 vx5 = _mm512_loadu_ps(x + 80);
      const __m512 vx6 = _mm512_loadu_ps(x + 96);
      const __m512 vx7 = _mm512_loadu_ps(x + 112);
      x += 128;
  
      const __m512 vz0 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx0), vsign_mask));
      const __m512 vz1 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx1), vsign_mask));
      const __m512 vz2 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx2), vsign_mask));
      const __m512 vz3 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx3), vsign_mask));
      const __m512 vz4 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx4), vsign_mask));
      const __m512 vz5 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx5), vsign_mask));
      const __m512 vz6 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx6), vsign_mask));
      const __m512 vz7 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx7), vsign_mask));
  
      __m512 vn0 = _mm512_fmadd_ps(vz0, vlog2e, vmagic_bias);
      __m512 vn1 = _mm512_fmadd_ps(vz1, vlog2e, vmagic_bias);
      __m512 vn2 = _mm512_fmadd_ps(vz2, vlog2e, vmagic_bias);
      __m512 vn3 = _mm512_fmadd_ps(vz3, vlog2e, vmagic_bias);
      __m512 vn4 = _mm512_fmadd_ps(vz4, vlog2e, vmagic_bias);
      __m512 vn5 = _mm512_fmadd_ps(vz5, vlog2e, vmagic_bias);
      __m512 vn6 = _mm512_fmadd_ps(vz6, vlog2e, vmagic_bias);
      __m512 vn7 = _mm512_fmadd_ps(vz7, vlog2e, vmagic_bias);
  
      const __m512 vl0 = _mm512_permutexvar_ps(_mm512_castps_si512(vn0), vtable);
      const __m512 vl1 = _mm512_permutexvar_ps(_mm512_castps_si512(vn1), vtable);
      const __m512 vl2 = _mm512_permutexvar_ps(_mm512_castps_si512(vn2), vtable);
      const __m512 vl3 = _mm512_permutexvar_ps(_mm512_castps_si512(vn3), vtable);
      const __m512 vl4 = _mm512_permutexvar_ps(_mm512_castps_si512(vn4), vtable);
      const __m512 vl5 = _mm512_permutexvar_ps(_mm512_castps_si512(vn5), vtable);
      const __m512 vl6 = _mm512_permutexvar_ps(_mm512_castps_si512(vn6), vtable);
      const __m512 vl7 = _mm512_permutexvar_ps(_mm512_castps_si512(vn7), vtable);
  
      vn0 = _mm512_sub_ps(vn0, vmagic_bias);
      vn1 = _mm512_sub_ps(vn1, vmagic_bias);
      vn2 = _mm512_sub_ps(vn2, vmagic_bias);
      vn3 = _mm512_sub_ps(vn3, vmagic_bias);
      vn4 = _mm512_sub_ps(vn4, vmagic_bias);
      vn5 = _mm512_sub_ps(vn5, vmagic_bias);
      vn6 = _mm512_sub_ps(vn6, vmagic_bias);
      vn7 = _mm512_sub_ps(vn7, vmagic_bias);
  
      __m512 vt0 = _mm512_fmadd_ps(vn0, vminus_ln2, vz0);
      __m512 vt1 = _mm512_fmadd_ps(vn1, vminus_ln2, vz1);
      __m512 vt2 = _mm512_fmadd_ps(vn2, vminus_ln2, vz2);
      __m512 vt3 = _mm512_fmadd_ps(vn3, vminus_ln2, vz3);
      __m512 vt4 = _mm512_fmadd_ps(vn4, vminus_ln2, vz4);
      __m512 vt5 = _mm512_fmadd_ps(vn5, vminus_ln2, vz5);
      __m512 vt6 = _mm512_fmadd_ps(vn6, vminus_ln2, vz6);
      __m512 vt7 = _mm512_fmadd_ps(vn7, vminus_ln2, vz7);
  
      __m512 vp0 = _mm512_fmadd_ps(vt0, vc3, vc2);
      __m512 vp1 = _mm512_fmadd_ps(vt1, vc3, vc2);
      __m512 vp2 = _mm512_fmadd_ps(vt2, vc3, vc2);
      __m512 vp3 = _mm512_fmadd_ps(vt3, vc3, vc2);
      __m512 vp4 = _mm512_fmadd_ps(vt4, vc3, vc2);
      __m512 vp5 = _mm512_fmadd_ps(vt5, vc3, vc2);
      __m512 vp6 = _mm512_fmadd_ps(vt6, vc3, vc2);
      __m512 vp7 = _mm512_fmadd_ps(vt7, vc3, vc2);
  
      vp0 = _mm512_mul_ps(vp0, vt0);
      vp1 = _mm512_mul_ps(vp1, vt1);
      vp2 = _mm512_mul_ps(vp2, vt2);
      vp3 = _mm512_mul_ps(vp3, vt3);
      vp4 = _mm512_mul_ps(vp4, vt4);
      vp5 = _mm512_mul_ps(vp5, vt5);
      vp6 = _mm512_mul_ps(vp6, vt6);
      vp7 = _mm512_mul_ps(vp7, vt7);
  
      vp0 = _mm512_fmadd_ps(vt0, vp0, vt0);
      vp1 = _mm512_fmadd_ps(vt1, vp1, vt1);
      vp2 = _mm512_fmadd_ps(vt2, vp2, vt2);
      vp3 = _mm512_fmadd_ps(vt3, vp3, vt3);
      vp4 = _mm512_fmadd_ps(vt4, vp4, vt4);
      vp5 = _mm512_fmadd_ps(vt5, vp5, vt5);
      vp6 = _mm512_fmadd_ps(vt6, vp6, vt6);
      vp7 = _mm512_fmadd_ps(vt7, vp7, vt7);
  
      vp0 = _mm512_fmadd_ps(vl0, vp0, vl0);
      vp1 = _mm512_fmadd_ps(vl1, vp1, vl1);
      vp2 = _mm512_fmadd_ps(vl2, vp2, vl2);
      vp3 = _mm512_fmadd_ps(vl3, vp3, vl3);
      vp4 = _mm512_fmadd_ps(vl4, vp4, vl4);
      vp5 = _mm512_fmadd_ps(vl5, vp5, vl5);
      vp6 = _mm512_fmadd_ps(vl6, vp6, vl6);
      vp7 = _mm512_fmadd_ps(vl7, vp7, vl7);
  
      const __m512 ve0 = _mm512_scalef_ps(vp0, vn0);
      const __m512 ve1 = _mm512_scalef_ps(vp1, vn1);
      const __m512 ve2 = _mm512_scalef_ps(vp2, vn2);
      const __m512 ve3 = _mm512_scalef_ps(vp3, vn3);
      const __m512 ve4 = _mm512_scalef_ps(vp4, vn4);
      const __m512 ve5 = _mm512_scalef_ps(vp5, vn5);
      const __m512 ve6 = _mm512_scalef_ps(vp6, vn6);
      const __m512 ve7 = _mm512_scalef_ps(vp7, vn7);
  
      const __m512 vd0 = _mm512_add_ps(ve0, vone);
      const __m512 vd1 = _mm512_add_ps(ve1, vone);
      const __m512 vd2 = _mm512_add_ps(ve2, vone);
      const __m512 vd3 = _mm512_add_ps(ve3, vone);
      const __m512 vd4 = _mm512_add_ps(ve4, vone);
      const __m512 vd5 = _mm512_add_ps(ve5, vone);
      const __m512 vd6 = _mm512_add_ps(ve6, vone);
      const __m512 vd7 = _mm512_add_ps(ve7, vone);
  
      __m512 vf0 = _mm512_div_ps(ve0, vd0);
      __m512 vf1 = _mm512_div_ps(ve1, vd1);
      __m512 vf2 = _mm512_div_ps(ve2, vd2);
      __m512 vf3 = _mm512_div_ps(ve3, vd3);
      __m512 vf4 = _mm512_div_ps(ve4, vd4);
      __m512 vf5 = _mm512_div_ps(ve5, vd5);
      __m512 vf6 = _mm512_div_ps(ve6, vd6);
      __m512 vf7 = _mm512_div_ps(ve7, vd7);
  
      vf0 = _mm512_mask_sub_ps(vf0, _mm512_testn_epi32_mask(_mm512_castps_si512(vx0), vsign_mask), vone, vf0);
      vf1 = _mm512_mask_sub_ps(vf1, _mm512_testn_epi32_mask(_mm512_castps_si512(vx1), vsign_mask), vone, vf1);
      vf2 = _mm512_mask_sub_ps(vf2, _mm512_testn_epi32_mask(_mm512_castps_si512(vx2), vsign_mask), vone, vf2);
      vf3 = _mm512_mask_sub_ps(vf3, _mm512_testn_epi32_mask(_mm512_castps_si512(vx3), vsign_mask), vone, vf3);
      vf4 = _mm512_mask_sub_ps(vf4, _mm512_testn_epi32_mask(_mm512_castps_si512(vx4), vsign_mask), vone, vf4);
      vf5 = _mm512_mask_sub_ps(vf5, _mm512_testn_epi32_mask(_mm512_castps_si512(vx5), vsign_mask), vone, vf5);
      vf6 = _mm512_mask_sub_ps(vf6, _mm512_testn_epi32_mask(_mm512_castps_si512(vx6), vsign_mask), vone, vf6);
      vf7 = _mm512_mask_sub_ps(vf7, _mm512_testn_epi32_mask(_mm512_castps_si512(vx7), vsign_mask), vone, vf7);
  
      _mm512_storeu_ps(y, vf0);
      _mm512_storeu_ps(y + 16, vf1);
      _mm512_storeu_ps(y + 32, vf2);
      _mm512_storeu_ps(y + 48, vf3);
      _mm512_storeu_ps(y + 64, vf4);
      _mm512_storeu_ps(y + 80, vf5);
      _mm512_storeu_ps(y + 96, vf6);
      _mm512_storeu_ps(y + 112, vf7);
      y += 128;
    }
    for (; n >= 16 * sizeof(float); n -= 16 * sizeof(float)) {
      const __m512 vx = _mm512_loadu_ps(x);
      x += 16;
  
      const __m512 vz = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx), vsign_mask));
  
      __m512 vn = _mm512_fmadd_ps(vz, vlog2e, vmagic_bias);
      const __m512 vl = _mm512_permutexvar_ps(_mm512_castps_si512(vn), vtable);
      vn = _mm512_sub_ps(vn, vmagic_bias);
  
      __m512 vt = _mm512_fmadd_ps(vn, vminus_ln2, vz);
  
      __m512 vp = _mm512_fmadd_ps(vt, vc3, vc2);
      vp = _mm512_mul_ps(vp, vt);
      vp = _mm512_fmadd_ps(vt, vp, vt);
      vp = _mm512_fmadd_ps(vl, vp, vl);
  
      const __m512 ve = _mm512_scalef_ps(vp, vn);
      const __m512 vd = _mm512_add_ps(ve, vone);
  
      __m512 vf = _mm512_div_ps(ve, vd);
  
      vf = _mm512_mask_sub_ps(vf, _mm512_testn_epi32_mask(_mm512_castps_si512(vx), vsign_mask), vone, vf);
  
      _mm512_storeu_ps(y, vf);
      y += 16;
    }
    if XNN_UNLIKELY(n != 0) {
      assert(n >= 1 * sizeof(float));
      assert(n <= 15 * sizeof(float));
  
      // Prepare mask for valid 32-bit elements (depends on n).
      n >>= 2 /* log2(sizeof(float)) */;
      const __mmask16 vmask = _cvtu32_mask16((uint16_t) ((uint32_t) (UINT32_C(1) << n) - UINT32_C(1)));
  
      const __m512 vx = _mm512_maskz_loadu_ps(vmask, x);
      const __m512 vz = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx), vsign_mask));
  
      __m512 vn = _mm512_fmadd_ps(vz, vlog2e, vmagic_bias);
      const __m512 vl = _mm512_permutexvar_ps(_mm512_castps_si512(vn), vtable);
      vn = _mm512_sub_ps(vn, vmagic_bias);
  
      __m512 vt = _mm512_fmadd_ps(vn, vminus_ln2, vz);
  
      __m512 vp = _mm512_fmadd_ps(vt, vc3, vc2);
      vp = _mm512_mul_ps(vp, vt);
      vp = _mm512_fmadd_ps(vt, vp, vt);
      vp = _mm512_fmadd_ps(vl, vp, vl);
  
      const __m512 ve = _mm512_scalef_ps(vp, vn);
      const __m512 vd = _mm512_add_ps(ve, vone);
  
      __m512 vf = _mm512_div_ps(ve, vd);
  
      vf = _mm512_mask_sub_ps(vf, _mm512_testn_epi32_mask(_mm512_castps_si512(vx), vsign_mask), vone, vf);
  
      _mm512_mask_storeu_ps(y, vmask, vf);
    }
  }
  