| // Auto-generated file. Do not edit! |
| // Template: src/f32-velu/sse-rr2-lut16-p3.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 <emmintrin.h> |
| |
| #include <xnnpack/vunary.h> |
| #include <xnnpack/common.h> |
| |
| |
| extern XNN_INTERNAL const float xnn_table_exp2minus_k_over_16[16]; |
| |
| void xnn_f32_velu_ukernel__sse2_rr2_lut16_p3_x20( |
| size_t n, |
| const float* x, |
| float* y, |
| const union xnn_f32_elu_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS |
| { |
| assert(n != 0); |
| assert(n % sizeof(float) == 0); |
| assert(x != NULL); |
| assert(y != NULL); |
| |
| const __m128 vprescale = _mm_load_ps(params->sse2_rr2_lut16_p3.prescale); |
| const __m128 valpha = _mm_load_ps(params->sse2_rr2_lut16_p3.alpha); |
| const __m128 vbeta = _mm_load_ps(params->sse2_rr2_lut16_p3.beta); |
| const __m128 vsat_cutoff = _mm_load_ps(params->sse2_rr2_lut16_p3.sat_cutoff); |
| const __m128 vmagic_bias = _mm_load_ps(params->sse2_rr2_lut16_p3.magic_bias); |
| const __m128 vlog2e = _mm_load_ps(params->sse2_rr2_lut16_p3.log2e); |
| const __m128i vindex_mask = _mm_load_si128((const __m128i*) params->sse2_rr2_lut16_p3.index_mask); |
| const __m128 vminus_ln2_hi = _mm_load_ps(params->sse2_rr2_lut16_p3.minus_ln2_hi); |
| const __m128 vminus_ln2_lo = _mm_load_ps(params->sse2_rr2_lut16_p3.minus_ln2_lo); |
| const __m128 vc3 = _mm_load_ps(params->sse2_rr2_lut16_p3.c3); |
| const __m128 vc2 = _mm_load_ps(params->sse2_rr2_lut16_p3.c2); |
| const __m128 vone = _mm_load_ps(params->sse2_rr2_lut16_p3.one); |
| |
| for (; n >= 20 * sizeof(float); n -= 20 * sizeof(float)) { |
| __m128 vx0123 = _mm_loadu_ps(x); |
| __m128 vx4567 = _mm_loadu_ps(x + 4); |
| __m128 vx89AB = _mm_loadu_ps(x + 8); |
| __m128 vxCDEF = _mm_loadu_ps(x + 12); |
| __m128 vxGHIJ = _mm_loadu_ps(x + 16); |
| x += 20; |
| |
| const __m128 vz0123 = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx0123, vprescale)); |
| const __m128 vz4567 = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx4567, vprescale)); |
| const __m128 vz89AB = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx89AB, vprescale)); |
| const __m128 vzCDEF = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vxCDEF, vprescale)); |
| const __m128 vzGHIJ = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vxGHIJ, vprescale)); |
| |
| __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); |
| __m128 vnCDEF = _mm_add_ps(_mm_mul_ps(vzCDEF, vlog2e), vmagic_bias); |
| __m128 vnGHIJ = _mm_add_ps(_mm_mul_ps(vzGHIJ, vlog2e), vmagic_bias); |
| |
| const __m128i vidx0123 = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn0123), vindex_mask), 2); |
| const __m128i ven0123 = _mm_slli_epi32(_mm_castps_si128(vn0123), 19); |
| const __m128i vidx4567 = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn4567), vindex_mask), 2); |
| const __m128i ven4567 = _mm_slli_epi32(_mm_castps_si128(vn4567), 19); |
| const __m128i vidx89AB = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn89AB), vindex_mask), 2); |
| const __m128i ven89AB = _mm_slli_epi32(_mm_castps_si128(vn89AB), 19); |
| const __m128i vidxCDEF = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vnCDEF), vindex_mask), 2); |
| const __m128i venCDEF = _mm_slli_epi32(_mm_castps_si128(vnCDEF), 19); |
| const __m128i vidxGHIJ = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vnGHIJ), vindex_mask), 2); |
| const __m128i venGHIJ = _mm_slli_epi32(_mm_castps_si128(vnGHIJ), 19); |
| |
| #if XNN_ARCH_X86_64 |
| const uint64_t vidx01 = (uint64_t) _mm_cvtsi128_si64(vidx0123); |
| const uint64_t vidx23 = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx0123, vidx0123)); |
| const __m128i vl0 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx01))); |
| const __m128i vl2 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx23))); |
| const __m128i vl1 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx01 >> 32)))); |
| const __m128i vl01 = _mm_unpacklo_epi32(vl0, vl1); |
| const __m128i vl3 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx23 >> 32)))); |
| const __m128i vl23 = _mm_unpacklo_epi32(vl2, vl3); |
| const __m128i vl0123 = _mm_unpacklo_epi64(vl01, vl23); |
| const uint64_t vidx45 = (uint64_t) _mm_cvtsi128_si64(vidx4567); |
| const uint64_t vidx67 = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx4567, vidx4567)); |
| const __m128i vl4 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx45))); |
| const __m128i vl6 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx67))); |
| const __m128i vl5 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx45 >> 32)))); |
| const __m128i vl45 = _mm_unpacklo_epi32(vl4, vl5); |
| const __m128i vl7 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx67 >> 32)))); |
| const __m128i vl67 = _mm_unpacklo_epi32(vl6, vl7); |
| const __m128i vl4567 = _mm_unpacklo_epi64(vl45, vl67); |
| const uint64_t vidx89 = (uint64_t) _mm_cvtsi128_si64(vidx89AB); |
| const uint64_t vidxAB = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx89AB, vidx89AB)); |
| const __m128i vl8 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx89))); |
| const __m128i vlA = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidxAB))); |
| const __m128i vl9 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx89 >> 32)))); |
| const __m128i vl89 = _mm_unpacklo_epi32(vl8, vl9); |
| const __m128i vlB = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidxAB >> 32)))); |
| const __m128i vlAB = _mm_unpacklo_epi32(vlA, vlB); |
| const __m128i vl89AB = _mm_unpacklo_epi64(vl89, vlAB); |
| const uint64_t vidxCD = (uint64_t) _mm_cvtsi128_si64(vidxCDEF); |
| const uint64_t vidxEF = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidxCDEF, vidxCDEF)); |
| const __m128i vlC = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidxCD))); |
| const __m128i vlE = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidxEF))); |
| const __m128i vlD = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidxCD >> 32)))); |
| const __m128i vlCD = _mm_unpacklo_epi32(vlC, vlD); |
| const __m128i vlF = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidxEF >> 32)))); |
| const __m128i vlEF = _mm_unpacklo_epi32(vlE, vlF); |
| const __m128i vlCDEF = _mm_unpacklo_epi64(vlCD, vlEF); |
| const uint64_t vidxGH = (uint64_t) _mm_cvtsi128_si64(vidxGHIJ); |
| const uint64_t vidxIJ = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidxGHIJ, vidxGHIJ)); |
| const __m128i vlG = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidxGH))); |
| const __m128i vlI = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidxIJ))); |
| const __m128i vlH = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidxGH >> 32)))); |
| const __m128i vlGH = _mm_unpacklo_epi32(vlG, vlH); |
| const __m128i vlJ = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidxIJ >> 32)))); |
| const __m128i vlIJ = _mm_unpacklo_epi32(vlI, vlJ); |
| const __m128i vlGHIJ = _mm_unpacklo_epi64(vlGH, vlIJ); |
| #else // !XNN_ARCH_X86_64 |
| const uint32_t vidx0 = (uint32_t) _mm_cvtsi128_si32(vidx0123); |
| const uint32_t vidx1 = (uint32_t) _mm_extract_epi16(vidx0123, 2); |
| const uint32_t vidx2 = (uint32_t) _mm_extract_epi16(vidx0123, 4); |
| const uint32_t vidx3 = (uint32_t) _mm_extract_epi16(vidx0123, 6); |
| const __m128i vl0 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx0))); |
| const __m128i vl2 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx2))); |
| const __m128i vl1 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx1))); |
| const __m128i vl01 = _mm_unpacklo_epi32(vl0, vl1); |
| const __m128i vl3 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx3))); |
| const __m128i vl23 = _mm_unpacklo_epi32(vl2, vl3); |
| const __m128i vl0123 = _mm_unpacklo_epi64(vl01, vl23); |
| const uint32_t vidx4 = (uint32_t) _mm_cvtsi128_si32(vidx4567); |
| const uint32_t vidx5 = (uint32_t) _mm_extract_epi16(vidx4567, 2); |
| const uint32_t vidx6 = (uint32_t) _mm_extract_epi16(vidx4567, 4); |
| const uint32_t vidx7 = (uint32_t) _mm_extract_epi16(vidx4567, 6); |
| const __m128i vl4 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx4))); |
| const __m128i vl6 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx6))); |
| const __m128i vl5 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx5))); |
| const __m128i vl45 = _mm_unpacklo_epi32(vl4, vl5); |
| const __m128i vl7 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx7))); |
| const __m128i vl67 = _mm_unpacklo_epi32(vl6, vl7); |
| const __m128i vl4567 = _mm_unpacklo_epi64(vl45, vl67); |
| const uint32_t vidx8 = (uint32_t) _mm_cvtsi128_si32(vidx89AB); |
| const uint32_t vidx9 = (uint32_t) _mm_extract_epi16(vidx89AB, 2); |
| const uint32_t vidxA = (uint32_t) _mm_extract_epi16(vidx89AB, 4); |
| const uint32_t vidxB = (uint32_t) _mm_extract_epi16(vidx89AB, 6); |
| const __m128i vl8 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx8))); |
| const __m128i vlA = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxA))); |
| const __m128i vl9 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidx9))); |
| const __m128i vl89 = _mm_unpacklo_epi32(vl8, vl9); |
| const __m128i vlB = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxB))); |
| const __m128i vlAB = _mm_unpacklo_epi32(vlA, vlB); |
| const __m128i vl89AB = _mm_unpacklo_epi64(vl89, vlAB); |
| const uint32_t vidxC = (uint32_t) _mm_cvtsi128_si32(vidxCDEF); |
| const uint32_t vidxD = (uint32_t) _mm_extract_epi16(vidxCDEF, 2); |
| const uint32_t vidxE = (uint32_t) _mm_extract_epi16(vidxCDEF, 4); |
| const uint32_t vidxF = (uint32_t) _mm_extract_epi16(vidxCDEF, 6); |
| const __m128i vlC = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxC))); |
| const __m128i vlE = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxE))); |
| const __m128i vlD = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxD))); |
| const __m128i vlCD = _mm_unpacklo_epi32(vlC, vlD); |
| const __m128i vlF = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxF))); |
| const __m128i vlEF = _mm_unpacklo_epi32(vlE, vlF); |
| const __m128i vlCDEF = _mm_unpacklo_epi64(vlCD, vlEF); |
| const uint32_t vidxG = (uint32_t) _mm_cvtsi128_si32(vidxGHIJ); |
| const uint32_t vidxH = (uint32_t) _mm_extract_epi16(vidxGHIJ, 2); |
| const uint32_t vidxI = (uint32_t) _mm_extract_epi16(vidxGHIJ, 4); |
| const uint32_t vidxJ = (uint32_t) _mm_extract_epi16(vidxGHIJ, 6); |
| const __m128i vlG = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxG))); |
| const __m128i vlI = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxI))); |
| const __m128i vlH = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxH))); |
| const __m128i vlGH = _mm_unpacklo_epi32(vlG, vlH); |
| const __m128i vlJ = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + vidxJ))); |
| const __m128i vlIJ = _mm_unpacklo_epi32(vlI, vlJ); |
| const __m128i vlGHIJ = _mm_unpacklo_epi64(vlGH, vlIJ); |
| #endif // XNN_ARCH_X86_64 |
| |
| vn0123 = _mm_sub_ps(vn0123, vmagic_bias); |
| __m128 vs0123 = _mm_castsi128_ps(_mm_add_epi32(vl0123, ven0123)); |
| vn4567 = _mm_sub_ps(vn4567, vmagic_bias); |
| __m128 vs4567 = _mm_castsi128_ps(_mm_add_epi32(vl4567, ven4567)); |
| vn89AB = _mm_sub_ps(vn89AB, vmagic_bias); |
| __m128 vs89AB = _mm_castsi128_ps(_mm_add_epi32(vl89AB, ven89AB)); |
| vnCDEF = _mm_sub_ps(vnCDEF, vmagic_bias); |
| __m128 vsCDEF = _mm_castsi128_ps(_mm_add_epi32(vlCDEF, venCDEF)); |
| vnGHIJ = _mm_sub_ps(vnGHIJ, vmagic_bias); |
| __m128 vsGHIJ = _mm_castsi128_ps(_mm_add_epi32(vlGHIJ, venGHIJ)); |
| |
| __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); |
| __m128 vtCDEF = _mm_add_ps(_mm_mul_ps(vnCDEF, vminus_ln2_hi), vzCDEF); |
| __m128 vtGHIJ = _mm_add_ps(_mm_mul_ps(vnGHIJ, vminus_ln2_hi), vzGHIJ); |
| |
| 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); |
| vtCDEF = _mm_add_ps(_mm_mul_ps(vnCDEF, vminus_ln2_lo), vtCDEF); |
| vtGHIJ = _mm_add_ps(_mm_mul_ps(vnGHIJ, vminus_ln2_lo), vtGHIJ); |
| |
| __m128 vp0123 = _mm_add_ps(_mm_mul_ps(vc3, vt0123), vc2); |
| __m128 vp4567 = _mm_add_ps(_mm_mul_ps(vc3, vt4567), vc2); |
| __m128 vp89AB = _mm_add_ps(_mm_mul_ps(vc3, vt89AB), vc2); |
| __m128 vpCDEF = _mm_add_ps(_mm_mul_ps(vc3, vtCDEF), vc2); |
| __m128 vpGHIJ = _mm_add_ps(_mm_mul_ps(vc3, vtGHIJ), vc2); |
| |
| vp0123 = _mm_mul_ps(vp0123, vt0123); |
| vp4567 = _mm_mul_ps(vp4567, vt4567); |
| vp89AB = _mm_mul_ps(vp89AB, vt89AB); |
| vpCDEF = _mm_mul_ps(vpCDEF, vtCDEF); |
| vpGHIJ = _mm_mul_ps(vpGHIJ, vtGHIJ); |
| |
| vt0123 = _mm_mul_ps(vt0123, vs0123); |
| vs0123 = _mm_sub_ps(vs0123, vone); |
| vt4567 = _mm_mul_ps(vt4567, vs4567); |
| vs4567 = _mm_sub_ps(vs4567, vone); |
| vt89AB = _mm_mul_ps(vt89AB, vs89AB); |
| vs89AB = _mm_sub_ps(vs89AB, vone); |
| vtCDEF = _mm_mul_ps(vtCDEF, vsCDEF); |
| vsCDEF = _mm_sub_ps(vsCDEF, vone); |
| vtGHIJ = _mm_mul_ps(vtGHIJ, vsGHIJ); |
| vsGHIJ = _mm_sub_ps(vsGHIJ, vone); |
| |
| vp0123 = _mm_add_ps(_mm_mul_ps(vp0123, vt0123), vt0123); |
| vp4567 = _mm_add_ps(_mm_mul_ps(vp4567, vt4567), vt4567); |
| vp89AB = _mm_add_ps(_mm_mul_ps(vp89AB, vt89AB), vt89AB); |
| vpCDEF = _mm_add_ps(_mm_mul_ps(vpCDEF, vtCDEF), vtCDEF); |
| vpGHIJ = _mm_add_ps(_mm_mul_ps(vpGHIJ, vtGHIJ), vtGHIJ); |
| |
| const __m128 ve0123 = _mm_mul_ps(_mm_add_ps(vp0123, vs0123), valpha); |
| const __m128 ve4567 = _mm_mul_ps(_mm_add_ps(vp4567, vs4567), valpha); |
| const __m128 ve89AB = _mm_mul_ps(_mm_add_ps(vp89AB, vs89AB), valpha); |
| const __m128 veCDEF = _mm_mul_ps(_mm_add_ps(vpCDEF, vsCDEF), valpha); |
| const __m128 veGHIJ = _mm_mul_ps(_mm_add_ps(vpGHIJ, vsGHIJ), valpha); |
| |
| const __m128 vm0123 = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx0123))); |
| vx0123 = _mm_mul_ps(vx0123, vbeta); |
| const __m128 vm4567 = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx4567))); |
| vx4567 = _mm_mul_ps(vx4567, vbeta); |
| const __m128 vm89AB = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx89AB))); |
| vx89AB = _mm_mul_ps(vx89AB, vbeta); |
| const __m128 vmCDEF = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vxCDEF))); |
| vxCDEF = _mm_mul_ps(vxCDEF, vbeta); |
| const __m128 vmGHIJ = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vxGHIJ))); |
| vxGHIJ = _mm_mul_ps(vxGHIJ, vbeta); |
| |
| const __m128 vy0123 = _mm_or_ps(_mm_and_ps(ve0123, vm0123), _mm_andnot_ps(vm0123, vx0123)); |
| const __m128 vy4567 = _mm_or_ps(_mm_and_ps(ve4567, vm4567), _mm_andnot_ps(vm4567, vx4567)); |
| const __m128 vy89AB = _mm_or_ps(_mm_and_ps(ve89AB, vm89AB), _mm_andnot_ps(vm89AB, vx89AB)); |
| const __m128 vyCDEF = _mm_or_ps(_mm_and_ps(veCDEF, vmCDEF), _mm_andnot_ps(vmCDEF, vxCDEF)); |
| const __m128 vyGHIJ = _mm_or_ps(_mm_and_ps(veGHIJ, vmGHIJ), _mm_andnot_ps(vmGHIJ, vxGHIJ)); |
| |
| _mm_storeu_ps(y, vy0123); |
| _mm_storeu_ps(y + 4, vy4567); |
| _mm_storeu_ps(y + 8, vy89AB); |
| _mm_storeu_ps(y + 12, vyCDEF); |
| _mm_storeu_ps(y + 16, vyGHIJ); |
| y += 20; |
| } |
| for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) { |
| __m128 vx = _mm_loadu_ps(x); |
| x += 4; |
| |
| const __m128 vz = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx, vprescale)); |
| |
| __m128 vn = _mm_add_ps(_mm_mul_ps(vz, vlog2e), vmagic_bias); |
| |
| const __m128i ven = _mm_slli_epi32(_mm_castps_si128(vn), 19); |
| const __m128i vidx = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn), vindex_mask), 2); |
| #if XNN_ARCH_X86_64 |
| const uint64_t vidx_lo = (uint64_t) _mm_cvtsi128_si64(vidx); |
| const uint64_t vidx_hi = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx, vidx)); |
| const __m128i vl_ll = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx_lo))); |
| const __m128i vl_hl = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx_hi))); |
| const __m128i vl_lh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx_lo >> 32)))); |
| const __m128i vl_lo = _mm_unpacklo_epi32(vl_ll, vl_lh); |
| const __m128i vl_hh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx_hi >> 32)))); |
| const __m128i vl_hi = _mm_unpacklo_epi32(vl_hl, vl_hh); |
| #else // !XNN_ARCH_X86_64 |
| const __m128i vl_ll = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_cvtsi128_si32(vidx)))); |
| const __m128i vl_hl = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_extract_epi16(vidx, 4)))); |
| const __m128i vl_lh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_extract_epi16(vidx, 2)))); |
| const __m128i vl_lo = _mm_unpacklo_epi32(vl_ll, vl_lh); |
| const __m128i vl_hh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_extract_epi16(vidx, 6)))); |
| const __m128i vl_hi = _mm_unpacklo_epi32(vl_hl, vl_hh); |
| #endif // XNN_ARCH_X86_64 |
| const __m128i vl = _mm_unpacklo_epi64(vl_lo, vl_hi); |
| __m128 vs = _mm_castsi128_ps(_mm_add_epi32(vl, ven)); |
| 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(vc3, vt), vc2); |
| vp = _mm_mul_ps(vp, vt); |
| |
| vt = _mm_mul_ps(vt, vs); |
| vs = _mm_sub_ps(vs, vone); |
| vp = _mm_add_ps(_mm_mul_ps(vp, vt), vt); |
| const __m128 ve = _mm_mul_ps(_mm_add_ps(vp, vs), valpha); |
| |
| const __m128 vm = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx))); |
| vx = _mm_mul_ps(vx, vbeta); |
| const __m128 vy = _mm_or_ps(_mm_and_ps(ve, vm), _mm_andnot_ps(vm, vx)); |
| |
| _mm_storeu_ps(y, vy); |
| y += 4; |
| } |
| if XNN_UNLIKELY(n != 0) { |
| __m128 vx = _mm_loadu_ps(x); |
| |
| const __m128 vz = _mm_max_ps(vsat_cutoff, _mm_mul_ps(vx, vprescale)); |
| |
| __m128 vn = _mm_add_ps(_mm_mul_ps(vz, vlog2e), vmagic_bias); |
| |
| const __m128i ven = _mm_slli_epi32(_mm_castps_si128(vn), 19); |
| const __m128i vidx = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn), vindex_mask), 2); |
| #if XNN_ARCH_X86_64 |
| const uint64_t vidx_lo = (uint64_t) _mm_cvtsi128_si64(vidx); |
| const uint64_t vidx_hi = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx, vidx)); |
| const __m128i vl_ll = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx_lo))); |
| const __m128i vl_hl = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) vidx_hi))); |
| const __m128i vl_lh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx_lo >> 32)))); |
| const __m128i vl_lo = _mm_unpacklo_epi32(vl_ll, vl_lh); |
| const __m128i vl_hh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) (vidx_hi >> 32)))); |
| const __m128i vl_hi = _mm_unpacklo_epi32(vl_hl, vl_hh); |
| #else // !XNN_ARCH_X86_64 |
| const __m128i vl_ll = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_cvtsi128_si32(vidx)))); |
| const __m128i vl_hl = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_extract_epi16(vidx, 4)))); |
| const __m128i vl_lh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_extract_epi16(vidx, 2)))); |
| const __m128i vl_lo = _mm_unpacklo_epi32(vl_ll, vl_lh); |
| const __m128i vl_hh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_16 + (uint32_t) _mm_extract_epi16(vidx, 6)))); |
| const __m128i vl_hi = _mm_unpacklo_epi32(vl_hl, vl_hh); |
| #endif // XNN_ARCH_X86_64 |
| const __m128i vl = _mm_unpacklo_epi64(vl_lo, vl_hi); |
| __m128 vs = _mm_castsi128_ps(_mm_add_epi32(vl, ven)); |
| 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(vc3, vt), vc2); |
| vp = _mm_mul_ps(vp, vt); |
| |
| vt = _mm_mul_ps(vt, vs); |
| vs = _mm_sub_ps(vs, vone); |
| vp = _mm_add_ps(_mm_mul_ps(vp, vt), vt); |
| const __m128 ve = _mm_mul_ps(_mm_add_ps(vp, vs), valpha); |
| |
| const __m128 vm = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx))); |
| vx = _mm_mul_ps(vx, vbeta); |
| __m128 vy = _mm_or_ps(_mm_and_ps(ve, vm), _mm_andnot_ps(vm, vx)); |
| |
| if (n & (2 * sizeof(float))) { |
| _mm_storel_pi((__m64*) y, vy); |
| vy = _mm_movehl_ps(vy, vy); |
| y += 2; |
| } |
| if (n & (1 * sizeof(float))) { |
| _mm_store_ss(y, vy); |
| } |
| } |
| } |