| // Copyright (c) Facebook, Inc. and its affiliates. |
| // All rights reserved. |
| // |
| // 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 <immintrin.h> |
| |
| #include <xnnpack/dwconv.h> |
| |
| |
| void xnn_qu8_dwconv_minmax_ukernel_up8x9__sse2( |
| size_t channels, |
| size_t output_width, |
| const uint8_t** input, |
| const void* weights, |
| uint8_t* output, |
| size_t input_stride, |
| size_t output_increment, |
| size_t input_offset, |
| const uint8_t* zero, |
| const union xnn_qu8_gemm_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN |
| { |
| const __m128i vkernel_zero_point = _mm_load_si128((const __m128i*) params->sse2.kernel_zero_point); |
| const __m128i vzero = _mm_setzero_si128(); |
| |
| do { |
| const uint8_t* i0 = input[0]; |
| if XNN_UNPREDICTABLE(i0 != zero) { |
| i0 = (const uint8_t*) ((uintptr_t) i0 + input_offset); |
| } |
| const uint8_t* i1 = input[1]; |
| if XNN_UNPREDICTABLE(i1 != zero) { |
| i1 = (const uint8_t*) ((uintptr_t) i1 + input_offset); |
| } |
| const uint8_t* i2 = input[2]; |
| if XNN_UNPREDICTABLE(i2 != zero) { |
| i2 = (const uint8_t*) ((uintptr_t) i2 + input_offset); |
| } |
| const uint8_t* i3 = input[3]; |
| if XNN_UNPREDICTABLE(i3 != zero) { |
| i3 = (const uint8_t*) ((uintptr_t) i3 + input_offset); |
| } |
| const uint8_t* i4 = input[4]; |
| if XNN_UNPREDICTABLE(i4 != zero) { |
| i4 = (const uint8_t*) ((uintptr_t) i4 + input_offset); |
| } |
| const uint8_t* i5 = input[5]; |
| if XNN_UNPREDICTABLE(i5 != zero) { |
| i5 = (const uint8_t*) ((uintptr_t) i5 + input_offset); |
| } |
| const uint8_t* i6 = input[6]; |
| if XNN_UNPREDICTABLE(i6 != zero) { |
| i6 = (const uint8_t*) ((uintptr_t) i6 + input_offset); |
| } |
| const uint8_t* i7 = input[7]; |
| if XNN_UNPREDICTABLE(i7 != zero) { |
| i7 = (const uint8_t*) ((uintptr_t) i7 + input_offset); |
| } |
| const uint8_t* i8 = input[8]; |
| if XNN_UNPREDICTABLE(i8 != zero) { |
| i8 = (const uint8_t*) ((uintptr_t) i8 + input_offset); |
| } |
| |
| input = (const uint8_t**) ((uintptr_t) input + input_stride); |
| |
| size_t c = channels; |
| const void* w = weights; |
| for (; c >= 8; c -= 8) { |
| __m128i vacc_lo = _mm_loadu_si128((const __m128i*) w); |
| __m128i vacc_hi = _mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16)); |
| |
| const __m128i vi0 = _mm_loadl_epi64((const __m128i*) i0); i0 += 8; |
| const __m128i vxi0 = _mm_unpacklo_epi8(vi0, vzero); |
| const __m128i vk0 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 32)); |
| const __m128i vxk0 = _mm_sub_epi16(_mm_unpacklo_epi8(vk0, vzero), vkernel_zero_point); |
| const __m128i vprod0_odd = _mm_mullo_epi16(vxi0, vxk0); |
| const __m128i vprod0_even = _mm_mulhi_epi16(vxi0, vxk0); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod0_odd, vprod0_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod0_odd, vprod0_even)); |
| |
| const __m128i vi1 = _mm_loadl_epi64((const __m128i*) i1); i1 += 8; |
| const __m128i vxi1 = _mm_unpacklo_epi8(vi1, vzero); |
| const __m128i vk1 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 40)); |
| const __m128i vxk1 = _mm_sub_epi16(_mm_unpacklo_epi8(vk1, vzero), vkernel_zero_point); |
| const __m128i vprod1_odd = _mm_mullo_epi16(vxi1, vxk1); |
| const __m128i vprod1_even = _mm_mulhi_epi16(vxi1, vxk1); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod1_odd, vprod1_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod1_odd, vprod1_even)); |
| |
| const __m128i vi2 = _mm_loadl_epi64((const __m128i*) i2); i2 += 8; |
| const __m128i vxi2 = _mm_unpacklo_epi8(vi2, vzero); |
| const __m128i vk2 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 48)); |
| const __m128i vxk2 = _mm_sub_epi16(_mm_unpacklo_epi8(vk2, vzero), vkernel_zero_point); |
| const __m128i vprod2_odd = _mm_mullo_epi16(vxi2, vxk2); |
| const __m128i vprod2_even = _mm_mulhi_epi16(vxi2, vxk2); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod2_odd, vprod2_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod2_odd, vprod2_even)); |
| |
| const __m128i vi3 = _mm_loadl_epi64((const __m128i*) i3); i3 += 8; |
| const __m128i vxi3 = _mm_unpacklo_epi8(vi3, vzero); |
| const __m128i vk3 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 56)); |
| const __m128i vxk3 = _mm_sub_epi16(_mm_unpacklo_epi8(vk3, vzero), vkernel_zero_point); |
| const __m128i vprod3_odd = _mm_mullo_epi16(vxi3, vxk3); |
| const __m128i vprod3_even = _mm_mulhi_epi16(vxi3, vxk3); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod3_odd, vprod3_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod3_odd, vprod3_even)); |
| |
| const __m128i vi4 = _mm_loadl_epi64((const __m128i*) i4); i4 += 8; |
| const __m128i vxi4 = _mm_unpacklo_epi8(vi4, vzero); |
| const __m128i vk4 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 64)); |
| const __m128i vxk4 = _mm_sub_epi16(_mm_unpacklo_epi8(vk4, vzero), vkernel_zero_point); |
| const __m128i vprod4_odd = _mm_mullo_epi16(vxi4, vxk4); |
| const __m128i vprod4_even = _mm_mulhi_epi16(vxi4, vxk4); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod4_odd, vprod4_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod4_odd, vprod4_even)); |
| |
| const __m128i vi5 = _mm_loadl_epi64((const __m128i*) i5); i5 += 8; |
| const __m128i vxi5 = _mm_unpacklo_epi8(vi5, vzero); |
| const __m128i vk5 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 72)); |
| const __m128i vxk5 = _mm_sub_epi16(_mm_unpacklo_epi8(vk5, vzero), vkernel_zero_point); |
| const __m128i vprod5_odd = _mm_mullo_epi16(vxi5, vxk5); |
| const __m128i vprod5_even = _mm_mulhi_epi16(vxi5, vxk5); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod5_odd, vprod5_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod5_odd, vprod5_even)); |
| |
| const __m128i vi6 = _mm_loadl_epi64((const __m128i*) i6); i6 += 8; |
| const __m128i vxi6 = _mm_unpacklo_epi8(vi6, vzero); |
| const __m128i vk6 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 80)); |
| const __m128i vxk6 = _mm_sub_epi16(_mm_unpacklo_epi8(vk6, vzero), vkernel_zero_point); |
| const __m128i vprod6_odd = _mm_mullo_epi16(vxi6, vxk6); |
| const __m128i vprod6_even = _mm_mulhi_epi16(vxi6, vxk6); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod6_odd, vprod6_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod6_odd, vprod6_even)); |
| |
| const __m128i vi7 = _mm_loadl_epi64((const __m128i*) i7); i7 += 8; |
| const __m128i vxi7 = _mm_unpacklo_epi8(vi7, vzero); |
| const __m128i vk7 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 88)); |
| const __m128i vxk7 = _mm_sub_epi16(_mm_unpacklo_epi8(vk7, vzero), vkernel_zero_point); |
| const __m128i vprod7_odd = _mm_mullo_epi16(vxi7, vxk7); |
| const __m128i vprod7_even = _mm_mulhi_epi16(vxi7, vxk7); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod7_odd, vprod7_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod7_odd, vprod7_even)); |
| |
| const __m128i vi8 = _mm_loadl_epi64((const __m128i*) i8); i8 += 8; |
| const __m128i vxi8 = _mm_unpacklo_epi8(vi8, vzero); |
| const __m128i vk8 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 96)); |
| const __m128i vxk8 = _mm_sub_epi16(_mm_unpacklo_epi8(vk8, vzero), vkernel_zero_point); |
| const __m128i vprod8_odd = _mm_mullo_epi16(vxi8, vxk8); |
| const __m128i vprod8_even = _mm_mulhi_epi16(vxi8, vxk8); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod8_odd, vprod8_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod8_odd, vprod8_even)); |
| |
| w = (void*) ((uintptr_t) w + 104); |
| |
| const __m128i vmultiplier = _mm_load_si128((const __m128i*) params->sse2.multiplier); |
| const __m128i vrounding = _mm_load_si128((const __m128i*) params->sse2.rounding); |
| |
| const __m128i vnmask_lo0123 = _mm_cmpgt_epi32(_mm_setzero_si128(), vacc_lo); |
| const __m128i vnmask_hi0123 = _mm_cmpgt_epi32(_mm_setzero_si128(), vacc_hi); |
| |
| const __m128i vabsacc_lo0123 = _mm_sub_epi32(_mm_xor_si128(vacc_lo, vnmask_lo0123), vnmask_lo0123); |
| const __m128i vabsacc_hi0123 = _mm_sub_epi32(_mm_xor_si128(vacc_hi, vnmask_hi0123), vnmask_hi0123); |
| |
| const __m128i vabsacc_lo1032 = _mm_shuffle_epi32(vabsacc_lo0123, _MM_SHUFFLE(2, 3, 0, 1)); |
| const __m128i vabsacc_hi1032 = _mm_shuffle_epi32(vabsacc_hi0123, _MM_SHUFFLE(2, 3, 0, 1)); |
| |
| const __m128i vabsprod_lo02 = _mm_mul_epu32(vabsacc_lo0123, vmultiplier); |
| const __m128i vabsprod_hi02 = _mm_mul_epu32(vabsacc_hi0123, vmultiplier); |
| |
| const __m128i vnmask_lo02 = _mm_shuffle_epi32(vnmask_lo0123, _MM_SHUFFLE(2, 2, 0, 0)); |
| const __m128i vnmask_hi02 = _mm_shuffle_epi32(vnmask_hi0123, _MM_SHUFFLE(2, 2, 0, 0)); |
| |
| const __m128i vprod_lo02 = _mm_sub_epi64(_mm_xor_si128(vabsprod_lo02, vnmask_lo02), vnmask_lo02); |
| const __m128i vprod_hi02 = _mm_sub_epi64(_mm_xor_si128(vabsprod_hi02, vnmask_hi02), vnmask_hi02); |
| |
| const __m128i vq31prod_lo02 = _mm_srli_epi64(_mm_add_epi64(vprod_lo02, vrounding), 31); |
| const __m128i vq31prod_hi02 = _mm_srli_epi64(_mm_add_epi64(vprod_hi02, vrounding), 31); |
| |
| const __m128i vabsprod_lo13 = _mm_mul_epu32(vabsacc_lo1032, vmultiplier); |
| const __m128i vabsprod_hi13 = _mm_mul_epu32(vabsacc_hi1032, vmultiplier); |
| |
| const __m128i vnmask_lo13 = _mm_shuffle_epi32(vnmask_lo0123, _MM_SHUFFLE(3, 3, 1, 1)); |
| const __m128i vnmask_hi13 = _mm_shuffle_epi32(vnmask_hi0123, _MM_SHUFFLE(3, 3, 1, 1)); |
| |
| const __m128i vprod_lo13 = _mm_sub_epi64(_mm_xor_si128(vabsprod_lo13, vnmask_lo13), vnmask_lo13); |
| const __m128i vprod_hi13 = _mm_sub_epi64(_mm_xor_si128(vabsprod_hi13, vnmask_hi13), vnmask_hi13); |
| |
| const __m128i vq31prod_lo13 = _mm_srli_epi64(_mm_add_epi64(vprod_lo13, vrounding), 31); |
| const __m128i vq31prod_hi13 = _mm_srli_epi64(_mm_add_epi64(vprod_hi13, vrounding), 31); |
| |
| const __m128i vq31prod_lo0213 = _mm_castps_si128(_mm_shuffle_ps( |
| _mm_castsi128_ps(vq31prod_lo02), _mm_castsi128_ps(vq31prod_lo13), _MM_SHUFFLE(2, 0, 2, 0))); |
| const __m128i vq31prod_hi0213 = _mm_castps_si128(_mm_shuffle_ps( |
| _mm_castsi128_ps(vq31prod_hi02), _mm_castsi128_ps(vq31prod_hi13), _MM_SHUFFLE(2, 0, 2, 0))); |
| |
| const __m128i vq31prod_lo0123 = _mm_shuffle_epi32(vq31prod_lo0213, _MM_SHUFFLE(3, 1, 2, 0)); |
| const __m128i vq31prod_hi0123 = _mm_shuffle_epi32(vq31prod_hi0213, _MM_SHUFFLE(3, 1, 2, 0)); |
| |
| const __m128i vremainder_mask = _mm_load_si128((const __m128i*) params->sse2.remainder_mask); |
| |
| const __m128i vrem_lo0123 = |
| _mm_add_epi32(_mm_and_si128(vq31prod_lo0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod_lo0123)); |
| const __m128i vrem_hi0123 = |
| _mm_add_epi32(_mm_and_si128(vq31prod_hi0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod_hi0123)); |
| |
| const __m128i vremainder_threshold = _mm_load_si128((const __m128i*) params->sse2.remainder_threshold); |
| const __m128i vshift = _mm_load_si128((const __m128i*) params->sse2.shift); |
| |
| const __m128i vout_lo = _mm_sub_epi32(_mm_sra_epi32(vq31prod_lo0123, vshift), _mm_cmpgt_epi32(vrem_lo0123, vremainder_threshold)); |
| const __m128i vout_hi = _mm_sub_epi32(_mm_sra_epi32(vq31prod_hi0123, vshift), _mm_cmpgt_epi32(vrem_hi0123, vremainder_threshold)); |
| |
| const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse2.output_zero_point); |
| __m128i vout = _mm_adds_epi16(_mm_packs_epi32(vout_lo, vout_hi), voutput_zero_point); |
| vout = _mm_packus_epi16(vout, vout); |
| vout = _mm_min_epu8(vout, _mm_load_si128((const __m128i*) params->sse2.output_max)); |
| vout = _mm_max_epu8(vout, _mm_load_si128((const __m128i*) params->sse2.output_min)); |
| |
| _mm_storel_epi64((__m128i*) output, vout); output += 8; |
| } |
| if (c != 0) { |
| __m128i vacc_lo = _mm_loadu_si128((const __m128i*) w); |
| __m128i vacc_hi = _mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16)); |
| |
| const __m128i vi0 = _mm_loadl_epi64((const __m128i*) i0); i0 += 8; |
| const __m128i vxi0 = _mm_unpacklo_epi8(vi0, vzero); |
| const __m128i vk0 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 32)); |
| const __m128i vxk0 = _mm_sub_epi16(_mm_unpacklo_epi8(vk0, vzero), vkernel_zero_point); |
| const __m128i vprod0_odd = _mm_mullo_epi16(vxi0, vxk0); |
| const __m128i vprod0_even = _mm_mulhi_epi16(vxi0, vxk0); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod0_odd, vprod0_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod0_odd, vprod0_even)); |
| |
| const __m128i vi1 = _mm_loadl_epi64((const __m128i*) i1); i1 += 8; |
| const __m128i vxi1 = _mm_unpacklo_epi8(vi1, vzero); |
| const __m128i vk1 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 40)); |
| const __m128i vxk1 = _mm_sub_epi16(_mm_unpacklo_epi8(vk1, vzero), vkernel_zero_point); |
| const __m128i vprod1_odd = _mm_mullo_epi16(vxi1, vxk1); |
| const __m128i vprod1_even = _mm_mulhi_epi16(vxi1, vxk1); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod1_odd, vprod1_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod1_odd, vprod1_even)); |
| |
| const __m128i vi2 = _mm_loadl_epi64((const __m128i*) i2); i2 += 8; |
| const __m128i vxi2 = _mm_unpacklo_epi8(vi2, vzero); |
| const __m128i vk2 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 48)); |
| const __m128i vxk2 = _mm_sub_epi16(_mm_unpacklo_epi8(vk2, vzero), vkernel_zero_point); |
| const __m128i vprod2_odd = _mm_mullo_epi16(vxi2, vxk2); |
| const __m128i vprod2_even = _mm_mulhi_epi16(vxi2, vxk2); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod2_odd, vprod2_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod2_odd, vprod2_even)); |
| |
| const __m128i vi3 = _mm_loadl_epi64((const __m128i*) i3); i3 += 8; |
| const __m128i vxi3 = _mm_unpacklo_epi8(vi3, vzero); |
| const __m128i vk3 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 56)); |
| const __m128i vxk3 = _mm_sub_epi16(_mm_unpacklo_epi8(vk3, vzero), vkernel_zero_point); |
| const __m128i vprod3_odd = _mm_mullo_epi16(vxi3, vxk3); |
| const __m128i vprod3_even = _mm_mulhi_epi16(vxi3, vxk3); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod3_odd, vprod3_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod3_odd, vprod3_even)); |
| |
| const __m128i vi4 = _mm_loadl_epi64((const __m128i*) i4); i4 += 8; |
| const __m128i vxi4 = _mm_unpacklo_epi8(vi4, vzero); |
| const __m128i vk4 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 64)); |
| const __m128i vxk4 = _mm_sub_epi16(_mm_unpacklo_epi8(vk4, vzero), vkernel_zero_point); |
| const __m128i vprod4_odd = _mm_mullo_epi16(vxi4, vxk4); |
| const __m128i vprod4_even = _mm_mulhi_epi16(vxi4, vxk4); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod4_odd, vprod4_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod4_odd, vprod4_even)); |
| |
| const __m128i vi5 = _mm_loadl_epi64((const __m128i*) i5); i5 += 8; |
| const __m128i vxi5 = _mm_unpacklo_epi8(vi5, vzero); |
| const __m128i vk5 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 72)); |
| const __m128i vxk5 = _mm_sub_epi16(_mm_unpacklo_epi8(vk5, vzero), vkernel_zero_point); |
| const __m128i vprod5_odd = _mm_mullo_epi16(vxi5, vxk5); |
| const __m128i vprod5_even = _mm_mulhi_epi16(vxi5, vxk5); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod5_odd, vprod5_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod5_odd, vprod5_even)); |
| |
| const __m128i vi6 = _mm_loadl_epi64((const __m128i*) i6); i6 += 8; |
| const __m128i vxi6 = _mm_unpacklo_epi8(vi6, vzero); |
| const __m128i vk6 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 80)); |
| const __m128i vxk6 = _mm_sub_epi16(_mm_unpacklo_epi8(vk6, vzero), vkernel_zero_point); |
| const __m128i vprod6_odd = _mm_mullo_epi16(vxi6, vxk6); |
| const __m128i vprod6_even = _mm_mulhi_epi16(vxi6, vxk6); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod6_odd, vprod6_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod6_odd, vprod6_even)); |
| |
| const __m128i vi7 = _mm_loadl_epi64((const __m128i*) i7); i7 += 8; |
| const __m128i vxi7 = _mm_unpacklo_epi8(vi7, vzero); |
| const __m128i vk7 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 88)); |
| const __m128i vxk7 = _mm_sub_epi16(_mm_unpacklo_epi8(vk7, vzero), vkernel_zero_point); |
| const __m128i vprod7_odd = _mm_mullo_epi16(vxi7, vxk7); |
| const __m128i vprod7_even = _mm_mulhi_epi16(vxi7, vxk7); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod7_odd, vprod7_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod7_odd, vprod7_even)); |
| |
| const __m128i vi8 = _mm_loadl_epi64((const __m128i*) i8); i8 += 8; |
| const __m128i vxi8 = _mm_unpacklo_epi8(vi8, vzero); |
| const __m128i vk8 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 96)); |
| const __m128i vxk8 = _mm_sub_epi16(_mm_unpacklo_epi8(vk8, vzero), vkernel_zero_point); |
| const __m128i vprod8_odd = _mm_mullo_epi16(vxi8, vxk8); |
| const __m128i vprod8_even = _mm_mulhi_epi16(vxi8, vxk8); |
| vacc_lo = _mm_add_epi32(vacc_lo, _mm_unpacklo_epi16(vprod8_odd, vprod8_even)); |
| vacc_hi = _mm_add_epi32(vacc_hi, _mm_unpackhi_epi16(vprod8_odd, vprod8_even)); |
| |
| const __m128i vmultiplier = _mm_load_si128((const __m128i*) params->sse2.multiplier); |
| const __m128i vrounding = _mm_load_si128((const __m128i*) params->sse2.rounding); |
| |
| const __m128i vnmask_lo0123 = _mm_cmpgt_epi32(_mm_setzero_si128(), vacc_lo); |
| const __m128i vnmask_hi0123 = _mm_cmpgt_epi32(_mm_setzero_si128(), vacc_hi); |
| |
| const __m128i vabsacc_lo0123 = _mm_sub_epi32(_mm_xor_si128(vacc_lo, vnmask_lo0123), vnmask_lo0123); |
| const __m128i vabsacc_hi0123 = _mm_sub_epi32(_mm_xor_si128(vacc_hi, vnmask_hi0123), vnmask_hi0123); |
| |
| const __m128i vabsacc_lo1032 = _mm_shuffle_epi32(vabsacc_lo0123, _MM_SHUFFLE(2, 3, 0, 1)); |
| const __m128i vabsacc_hi1032 = _mm_shuffle_epi32(vabsacc_hi0123, _MM_SHUFFLE(2, 3, 0, 1)); |
| |
| const __m128i vabsprod_lo02 = _mm_mul_epu32(vabsacc_lo0123, vmultiplier); |
| const __m128i vabsprod_hi02 = _mm_mul_epu32(vabsacc_hi0123, vmultiplier); |
| |
| const __m128i vnmask_lo02 = _mm_shuffle_epi32(vnmask_lo0123, _MM_SHUFFLE(2, 2, 0, 0)); |
| const __m128i vnmask_hi02 = _mm_shuffle_epi32(vnmask_hi0123, _MM_SHUFFLE(2, 2, 0, 0)); |
| |
| const __m128i vprod_lo02 = _mm_sub_epi64(_mm_xor_si128(vabsprod_lo02, vnmask_lo02), vnmask_lo02); |
| const __m128i vprod_hi02 = _mm_sub_epi64(_mm_xor_si128(vabsprod_hi02, vnmask_hi02), vnmask_hi02); |
| |
| const __m128i vq31prod_lo02 = _mm_srli_epi64(_mm_add_epi64(vprod_lo02, vrounding), 31); |
| const __m128i vq31prod_hi02 = _mm_srli_epi64(_mm_add_epi64(vprod_hi02, vrounding), 31); |
| |
| const __m128i vabsprod_lo13 = _mm_mul_epu32(vabsacc_lo1032, vmultiplier); |
| const __m128i vabsprod_hi13 = _mm_mul_epu32(vabsacc_hi1032, vmultiplier); |
| |
| const __m128i vnmask_lo13 = _mm_shuffle_epi32(vnmask_lo0123, _MM_SHUFFLE(3, 3, 1, 1)); |
| const __m128i vnmask_hi13 = _mm_shuffle_epi32(vnmask_hi0123, _MM_SHUFFLE(3, 3, 1, 1)); |
| |
| const __m128i vprod_lo13 = _mm_sub_epi64(_mm_xor_si128(vabsprod_lo13, vnmask_lo13), vnmask_lo13); |
| const __m128i vprod_hi13 = _mm_sub_epi64(_mm_xor_si128(vabsprod_hi13, vnmask_hi13), vnmask_hi13); |
| |
| const __m128i vq31prod_lo13 = _mm_srli_epi64(_mm_add_epi64(vprod_lo13, vrounding), 31); |
| const __m128i vq31prod_hi13 = _mm_srli_epi64(_mm_add_epi64(vprod_hi13, vrounding), 31); |
| |
| const __m128i vq31prod_lo0213 = _mm_castps_si128(_mm_shuffle_ps( |
| _mm_castsi128_ps(vq31prod_lo02), _mm_castsi128_ps(vq31prod_lo13), _MM_SHUFFLE(2, 0, 2, 0))); |
| const __m128i vq31prod_hi0213 = _mm_castps_si128(_mm_shuffle_ps( |
| _mm_castsi128_ps(vq31prod_hi02), _mm_castsi128_ps(vq31prod_hi13), _MM_SHUFFLE(2, 0, 2, 0))); |
| |
| const __m128i vq31prod_lo0123 = _mm_shuffle_epi32(vq31prod_lo0213, _MM_SHUFFLE(3, 1, 2, 0)); |
| const __m128i vq31prod_hi0123 = _mm_shuffle_epi32(vq31prod_hi0213, _MM_SHUFFLE(3, 1, 2, 0)); |
| |
| const __m128i vremainder_mask = _mm_load_si128((const __m128i*) params->sse2.remainder_mask); |
| |
| const __m128i vrem_lo0123 = |
| _mm_add_epi32(_mm_and_si128(vq31prod_lo0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod_lo0123)); |
| const __m128i vrem_hi0123 = |
| _mm_add_epi32(_mm_and_si128(vq31prod_hi0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod_hi0123)); |
| |
| const __m128i vremainder_threshold = _mm_load_si128((const __m128i*) params->sse2.remainder_threshold); |
| const __m128i vshift = _mm_load_si128((const __m128i*) params->sse2.shift); |
| |
| const __m128i vout_lo = _mm_sub_epi32(_mm_sra_epi32(vq31prod_lo0123, vshift), _mm_cmpgt_epi32(vrem_lo0123, vremainder_threshold)); |
| const __m128i vout_hi = _mm_sub_epi32(_mm_sra_epi32(vq31prod_hi0123, vshift), _mm_cmpgt_epi32(vrem_hi0123, vremainder_threshold)); |
| |
| const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse2.output_zero_point); |
| __m128i vout = _mm_adds_epi16(_mm_packs_epi32(vout_lo, vout_hi), voutput_zero_point); |
| vout = _mm_packus_epi16(vout, vout); |
| vout = _mm_min_epu8(vout, _mm_load_si128((const __m128i*) params->sse2.output_max)); |
| vout = _mm_max_epu8(vout, _mm_load_si128((const __m128i*) params->sse2.output_min)); |
| |
| if (c & 4) { |
| *((uint32_t*) output) = (uint32_t) _mm_cvtsi128_si32(vout); |
| output += 4; |
| vout = _mm_srli_epi64(vout, 32); |
| } |
| if (c & 2) { |
| *((uint16_t*) output) = (uint16_t) _mm_extract_epi16(vout, 0); |
| output += 2; |
| vout = _mm_srli_epi32(vout, 16); |
| } |
| if (c & 1) { |
| *((uint8_t*) output) = (uint8_t) _mm_cvtsi128_si32(vout); |
| output += 1; |
| } |
| } |
| |
| output = (uint8_t*) ((uintptr_t) output + output_increment); |
| } while (--output_width != 0); |
| } |