// Auto-generated file. Do not edit! // Template: src/f32-sigmoid/sse-p5-div.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 #include #include #include void xnn_f32_sigmoid_ukernel__sse41_p5_div_x12( size_t n, const float* x, float* y, const void* params) XNN_DISABLE_TSAN { assert(n % sizeof(float) == 0); const __m128 vsign_mask = _mm_set1_ps(-0.0f); const __m128 vmagic_bias = _mm_set1_ps(0x1.8000FEp23f); const __m128 vlog2e = _mm_set1_ps(0x1.715476p0f); const __m128 vminus_ln2_hi = _mm_set1_ps(-0x1.62E400p-1f); const __m128 vminus_ln2_lo = _mm_set1_ps(-0x1.7F7D1Cp-20f); const __m128 vc5 = _mm_set1_ps(0x1.0F9F9Cp-7f); const __m128 vc4 = _mm_set1_ps(0x1.573A1Ap-5f); const __m128 vc3 = _mm_set1_ps(0x1.555A80p-3f); const __m128 vc2 = _mm_set1_ps(0x1.FFFDC6p-2f); const __m128 vc1 = _mm_set1_ps(0x1.FFFFF6p-1f); const __m128 vone = _mm_set1_ps(1.0f); const __m128 vdenorm_cutoff = _mm_set1_ps(-0x1.5D589Ep+6f); for (; n >= 12 * sizeof(float); n -= 12 * sizeof(float)) { const __m128 vx0123 = _mm_loadu_ps(x); const __m128 vx4567 = _mm_loadu_ps(x + 4); const __m128 vx89AB = _mm_loadu_ps(x + 8); const __m128 vz0123 = _mm_or_ps(vx0123, vsign_mask); const __m128 vz4567 = _mm_or_ps(vx4567, vsign_mask); const __m128 vz89AB = _mm_or_ps(vx89AB, vsign_mask); __m128 vn0123 = _mm_add_ps(_mm_mul_ps(vz0123, vlog2e), vmagic_bias); __m128 vn4567 = _mm_add_ps(_mm_mul_ps(vz4567, vlog2e), vmagic_bias); __m128 vn89AB = _mm_add_ps(_mm_mul_ps(vz89AB, vlog2e), vmagic_bias); const __m128 vs0123 = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn0123), 23)); const __m128 vs4567 = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn4567), 23)); const __m128 vs89AB = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn89AB), 23)); vn0123 = _mm_sub_ps(vn0123, vmagic_bias); vn4567 = _mm_sub_ps(vn4567, vmagic_bias); vn89AB = _mm_sub_ps(vn89AB, vmagic_bias); __m128 vt0123 = _mm_add_ps(_mm_mul_ps(vn0123, vminus_ln2_hi), vz0123); __m128 vt4567 = _mm_add_ps(_mm_mul_ps(vn4567, vminus_ln2_hi), vz4567); __m128 vt89AB = _mm_add_ps(_mm_mul_ps(vn89AB, vminus_ln2_hi), vz89AB); vt0123 = _mm_add_ps(_mm_mul_ps(vn0123, vminus_ln2_lo), vt0123); vt4567 = _mm_add_ps(_mm_mul_ps(vn4567, vminus_ln2_lo), vt4567); vt89AB = _mm_add_ps(_mm_mul_ps(vn89AB, vminus_ln2_lo), vt89AB); __m128 vp0123 = _mm_add_ps(_mm_mul_ps(vc5, vt0123), vc4); __m128 vp4567 = _mm_add_ps(_mm_mul_ps(vc5, vt4567), vc4); __m128 vp89AB = _mm_add_ps(_mm_mul_ps(vc5, vt89AB), vc4); vp0123 = _mm_add_ps(_mm_mul_ps(vp0123, vt0123), vc3); vp4567 = _mm_add_ps(_mm_mul_ps(vp4567, vt4567), vc3); vp89AB = _mm_add_ps(_mm_mul_ps(vp89AB, vt89AB), vc3); vp0123 = _mm_add_ps(_mm_mul_ps(vp0123, vt0123), vc2); vp4567 = _mm_add_ps(_mm_mul_ps(vp4567, vt4567), vc2); vp89AB = _mm_add_ps(_mm_mul_ps(vp89AB, vt89AB), vc2); vp0123 = _mm_add_ps(_mm_mul_ps(vp0123, vt0123), vc1); vp4567 = _mm_add_ps(_mm_mul_ps(vp4567, vt4567), vc1); vp89AB = _mm_add_ps(_mm_mul_ps(vp89AB, vt89AB), vc1); vt0123 = _mm_mul_ps(vt0123, vs0123); vt4567 = _mm_mul_ps(vt4567, vs4567); vt89AB = _mm_mul_ps(vt89AB, vs89AB); __m128 ve0123 = _mm_add_ps(_mm_mul_ps(vt0123, vp0123), vs0123); __m128 ve4567 = _mm_add_ps(_mm_mul_ps(vt4567, vp4567), vs4567); __m128 ve89AB = _mm_add_ps(_mm_mul_ps(vt89AB, vp89AB), vs89AB); __m128 vd0123 = _mm_add_ps(ve0123, vone); __m128 vd4567 = _mm_add_ps(ve4567, vone); __m128 vd89AB = _mm_add_ps(ve89AB, vone); __m128 vf0123 = _mm_div_ps(ve0123, vd0123); __m128 vf4567 = _mm_div_ps(ve4567, vd4567); __m128 vf89AB = _mm_div_ps(ve89AB, vd89AB); vf0123 = _mm_andnot_ps(_mm_cmplt_ps(vz0123, vdenorm_cutoff), vf0123); vf4567 = _mm_andnot_ps(_mm_cmplt_ps(vz4567, vdenorm_cutoff), vf4567); vf89AB = _mm_andnot_ps(_mm_cmplt_ps(vz89AB, vdenorm_cutoff), vf89AB); vf0123 = _mm_blendv_ps(_mm_sub_ps(vone, vf0123), vf0123, vx0123); vf4567 = _mm_blendv_ps(_mm_sub_ps(vone, vf4567), vf4567, vx4567); vf89AB = _mm_blendv_ps(_mm_sub_ps(vone, vf89AB), vf89AB, vx89AB); _mm_storeu_ps(y, vf0123); _mm_storeu_ps(y + 4, vf4567); _mm_storeu_ps(y + 8, vf89AB); x += 12; y += 12; } for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) { const __m128 vx = _mm_loadu_ps(x); const __m128 vz = _mm_or_ps(vx, vsign_mask); __m128 vn = _mm_add_ps(_mm_mul_ps(vz, vlog2e), vmagic_bias); const __m128 vs = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn), 23)); vn = _mm_sub_ps(vn, vmagic_bias); __m128 vt = _mm_add_ps(_mm_mul_ps(vn, vminus_ln2_hi), vz); vt = _mm_add_ps(_mm_mul_ps(vn, vminus_ln2_lo), vt); __m128 vp = _mm_add_ps(_mm_mul_ps(vc5, vt), vc4); vp = _mm_add_ps(_mm_mul_ps(vp, vt), vc3); vp = _mm_add_ps(_mm_mul_ps(vp, vt), vc2); vp = _mm_add_ps(_mm_mul_ps(vp, vt), vc1); vt = _mm_mul_ps(vt, vs); __m128 ve = _mm_add_ps(_mm_mul_ps(vt, vp), vs); __m128 vd = _mm_add_ps(ve, vone); __m128 vf = _mm_div_ps(ve, vd); vf = _mm_andnot_ps(_mm_cmplt_ps(vz, vdenorm_cutoff), vf); vf = _mm_blendv_ps(_mm_sub_ps(vone, vf), vf, vx); _mm_storeu_ps(y, vf); x += 4; y += 4; } if XNN_UNLIKELY(n != 0) { const __m128 vx = _mm_loadu_ps(x); const __m128 vz = _mm_or_ps(vx, vsign_mask); __m128 vn = _mm_add_ps(_mm_mul_ps(vz, vlog2e), vmagic_bias); const __m128 vs = _mm_castsi128_ps(_mm_slli_epi32(_mm_castps_si128(vn), 23)); vn = _mm_sub_ps(vn, vmagic_bias); __m128 vt = _mm_add_ps(_mm_mul_ps(vn, vminus_ln2_hi), vz); vt = _mm_add_ps(_mm_mul_ps(vn, vminus_ln2_lo), vt); __m128 vp = _mm_add_ps(_mm_mul_ps(vc5, vt), vc4); vp = _mm_add_ps(_mm_mul_ps(vp, vt), vc3); vp = _mm_add_ps(_mm_mul_ps(vp, vt), vc2); vp = _mm_add_ps(_mm_mul_ps(vp, vt), vc1); vt = _mm_mul_ps(vt, vs); __m128 ve = _mm_add_ps(_mm_mul_ps(vt, vp), vs); __m128 vd = _mm_add_ps(ve, vone); __m128 vf = _mm_div_ps(ve, vd); vf = _mm_andnot_ps(_mm_cmplt_ps(vz, vdenorm_cutoff), vf); vf = _mm_blendv_ps(_mm_sub_ps(vone, vf), vf, vx); if (n & (2 * sizeof(float))) { _mm_storel_pi((__m64*) y, vf); vf = _mm_movehl_ps(vf, vf); y += 2; } if (n & (1 * sizeof(float))) { _mm_store_ss(y, vf); } } }