|  | /* | 
|  | * Copyright (c) 2021, Alliance for Open Media. All rights reserved | 
|  | * | 
|  | * This source code is subject to the terms of the BSD 3-Clause Clear License | 
|  | * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear | 
|  | * License was not distributed with this source code in the LICENSE file, you | 
|  | * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/.  If the | 
|  | * Alliance for Open Media Patent License 1.0 was not distributed with this | 
|  | * source code in the PATENTS file, you can obtain it at | 
|  | * aomedia.org/license/patent-license/. | 
|  | */ | 
|  |  | 
|  | #include <immintrin.h> | 
|  |  | 
|  | #include "config/av1_rtcd.h" | 
|  |  | 
|  | #include "aom_dsp/aom_dsp_common.h" | 
|  | #include "aom_dsp/x86/convolve_avx2.h" | 
|  | #include "aom_dsp/x86/synonyms.h" | 
|  |  | 
|  | void av1_convolve_y_sr_avx2(const uint8_t *src, int src_stride, uint8_t *dst, | 
|  | int dst_stride, int w, int h, | 
|  | const InterpFilterParams *filter_params_y, | 
|  | const int subpel_y_qn) { | 
|  | int i, j, vert_tap = SUBPEL_TAPS; | 
|  | // right shift is F-1 because we are already dividing | 
|  | // filter co-efficients by 2 | 
|  | const int right_shift_bits = (FILTER_BITS - 1); | 
|  | const __m128i right_shift = _mm_cvtsi32_si128(right_shift_bits); | 
|  | const __m256i right_shift_const = | 
|  | _mm256_set1_epi16((1 << right_shift_bits) >> 1); | 
|  |  | 
|  | __m256i coeffs[4], s[8]; | 
|  | __m128i d[6]; | 
|  |  | 
|  | // Condition for checking valid vert_filt taps | 
|  | const int16_t *const filter = av1_get_interp_filter_subpel_kernel( | 
|  | filter_params_y, subpel_y_qn & SUBPEL_MASK); | 
|  | if (!(filter[0] | filter[1] | filter[6] | filter[7])) { | 
|  | vert_tap = 4; | 
|  | } else if (!(filter[0] | filter[7])) { | 
|  | vert_tap = 6; | 
|  | } | 
|  |  | 
|  | if (vert_tap == 6) | 
|  | prepare_coeffs_6t_lowbd(filter_params_y, subpel_y_qn, coeffs); | 
|  | else | 
|  | prepare_coeffs_lowbd(filter_params_y, subpel_y_qn, coeffs); | 
|  |  | 
|  | // vert_filt as 4 tap | 
|  | if (vert_tap == 4) { | 
|  | const int fo_vert = 1; | 
|  | const uint8_t *const src_ptr = src - fo_vert * src_stride; | 
|  | for (j = 0; j < w; j += 16) { | 
|  | const uint8_t *data = &src_ptr[j]; | 
|  | d[0] = _mm_loadu_si128((__m128i *)(data + 0 * src_stride)); | 
|  | d[1] = _mm_loadu_si128((__m128i *)(data + 1 * src_stride)); | 
|  | d[2] = _mm_loadu_si128((__m128i *)(data + 2 * src_stride)); | 
|  | d[3] = _mm_loadu_si128((__m128i *)(data + 3 * src_stride)); | 
|  | d[4] = _mm_loadu_si128((__m128i *)(data + 4 * src_stride)); | 
|  |  | 
|  | // Load lines a and b. Line a to lower 128, line b to upper 128 | 
|  | const __m256i src_01a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256(d[0]), _mm256_castsi128_si256(d[1]), 0x20); | 
|  |  | 
|  | const __m256i src_12a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256(d[1]), _mm256_castsi128_si256(d[2]), 0x20); | 
|  |  | 
|  | const __m256i src_23a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256(d[2]), _mm256_castsi128_si256(d[3]), 0x20); | 
|  |  | 
|  | const __m256i src_34a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256(d[3]), _mm256_castsi128_si256(d[4]), 0x20); | 
|  |  | 
|  | s[0] = _mm256_unpacklo_epi8(src_01a, src_12a); | 
|  | s[1] = _mm256_unpacklo_epi8(src_23a, src_34a); | 
|  |  | 
|  | s[3] = _mm256_unpackhi_epi8(src_01a, src_12a); | 
|  | s[4] = _mm256_unpackhi_epi8(src_23a, src_34a); | 
|  |  | 
|  | for (i = 0; i < h; i += 2) { | 
|  | data = &src_ptr[i * src_stride + j]; | 
|  | d[5] = _mm_loadu_si128((__m128i *)(data + 5 * src_stride)); | 
|  | const __m256i src_45a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256(d[4]), _mm256_castsi128_si256(d[5]), 0x20); | 
|  |  | 
|  | d[4] = _mm_loadu_si128((__m128i *)(data + 6 * src_stride)); | 
|  | const __m256i src_56a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256(d[5]), _mm256_castsi128_si256(d[4]), 0x20); | 
|  |  | 
|  | s[2] = _mm256_unpacklo_epi8(src_45a, src_56a); | 
|  | s[5] = _mm256_unpackhi_epi8(src_45a, src_56a); | 
|  |  | 
|  | const __m256i res_lo = convolve_lowbd_4tap(s, coeffs + 1); | 
|  | /* rounding code */ | 
|  | // shift by F - 1 | 
|  | const __m256i res_16b_lo = _mm256_sra_epi16( | 
|  | _mm256_add_epi16(res_lo, right_shift_const), right_shift); | 
|  | // 8 bit conversion and saturation to uint8 | 
|  | __m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo); | 
|  |  | 
|  | if (w - j > 8) { | 
|  | const __m256i res_hi = convolve_lowbd_4tap(s + 3, coeffs + 1); | 
|  |  | 
|  | /* rounding code */ | 
|  | // shift by F - 1 | 
|  | const __m256i res_16b_hi = _mm256_sra_epi16( | 
|  | _mm256_add_epi16(res_hi, right_shift_const), right_shift); | 
|  | // 8 bit conversion and saturation to uint8 | 
|  | __m256i res_8b_hi = _mm256_packus_epi16(res_16b_hi, res_16b_hi); | 
|  |  | 
|  | __m256i res_a = _mm256_unpacklo_epi64(res_8b_lo, res_8b_hi); | 
|  |  | 
|  | const __m128i res_0 = _mm256_castsi256_si128(res_a); | 
|  | const __m128i res_1 = _mm256_extracti128_si256(res_a, 1); | 
|  |  | 
|  | _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_0); | 
|  | _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride], | 
|  | res_1); | 
|  | } else { | 
|  | const __m128i res_0 = _mm256_castsi256_si128(res_8b_lo); | 
|  | const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1); | 
|  | if (w - j > 4) { | 
|  | _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_0); | 
|  | _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride], | 
|  | res_1); | 
|  | } else if (w - j > 2) { | 
|  | xx_storel_32(&dst[i * dst_stride + j], res_0); | 
|  | xx_storel_32(&dst[i * dst_stride + j + dst_stride], res_1); | 
|  | } else { | 
|  | __m128i *const p_0 = (__m128i *)&dst[i * dst_stride + j]; | 
|  | __m128i *const p_1 = | 
|  | (__m128i *)&dst[i * dst_stride + j + dst_stride]; | 
|  | *(uint16_t *)p_0 = (uint16_t)_mm_cvtsi128_si32(res_0); | 
|  | *(uint16_t *)p_1 = (uint16_t)_mm_cvtsi128_si32(res_1); | 
|  | } | 
|  | } | 
|  | s[0] = s[1]; | 
|  | s[1] = s[2]; | 
|  |  | 
|  | s[3] = s[4]; | 
|  | s[4] = s[5]; | 
|  | } | 
|  | } | 
|  | } else if (vert_tap == 6) { | 
|  | const int fo_vert = vert_tap / 2 - 1; | 
|  | const uint8_t *const src_ptr = src - fo_vert * src_stride; | 
|  |  | 
|  | for (j = 0; j < w; j += 16) { | 
|  | const uint8_t *data = &src_ptr[j]; | 
|  | __m256i src6; | 
|  |  | 
|  | d[0] = _mm_loadu_si128((__m128i *)(data + 0 * src_stride)); | 
|  | d[1] = _mm_loadu_si128((__m128i *)(data + 1 * src_stride)); | 
|  | d[2] = _mm_loadu_si128((__m128i *)(data + 2 * src_stride)); | 
|  | d[3] = _mm_loadu_si128((__m128i *)(data + 3 * src_stride)); | 
|  | // Load lines a and b. Line a to lower 128, line b to upper 128 | 
|  | const __m256i src_01a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256(d[0]), _mm256_castsi128_si256(d[1]), 0x20); | 
|  |  | 
|  | const __m256i src_12a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256(d[1]), _mm256_castsi128_si256(d[2]), 0x20); | 
|  |  | 
|  | const __m256i src_23a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256(d[2]), _mm256_castsi128_si256(d[3]), 0x20); | 
|  |  | 
|  | src6 = _mm256_castsi128_si256( | 
|  | _mm_loadu_si128((__m128i *)(data + 4 * src_stride))); | 
|  | const __m256i src_34a = | 
|  | _mm256_permute2x128_si256(_mm256_castsi128_si256(d[3]), src6, 0x20); | 
|  |  | 
|  | s[0] = _mm256_unpacklo_epi8(src_01a, src_12a); | 
|  | s[1] = _mm256_unpacklo_epi8(src_23a, src_34a); | 
|  |  | 
|  | s[3] = _mm256_unpackhi_epi8(src_01a, src_12a); | 
|  | s[4] = _mm256_unpackhi_epi8(src_23a, src_34a); | 
|  |  | 
|  | for (i = 0; i < h; i += 2) { | 
|  | data = &src_ptr[i * src_stride + j]; | 
|  | const __m256i src_45a = _mm256_permute2x128_si256( | 
|  | src6, | 
|  | _mm256_castsi128_si256( | 
|  | _mm_loadu_si128((__m128i *)(data + 5 * src_stride))), | 
|  | 0x20); | 
|  |  | 
|  | src6 = _mm256_castsi128_si256( | 
|  | _mm_loadu_si128((__m128i *)(data + 6 * src_stride))); | 
|  | const __m256i src_56a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256( | 
|  | _mm_loadu_si128((__m128i *)(data + 5 * src_stride))), | 
|  | src6, 0x20); | 
|  |  | 
|  | s[2] = _mm256_unpacklo_epi8(src_45a, src_56a); | 
|  | s[5] = _mm256_unpackhi_epi8(src_45a, src_56a); | 
|  |  | 
|  | const __m256i res_lo = convolve_lowbd_6tap(s, coeffs); | 
|  |  | 
|  | /* rounding code */ | 
|  | // shift by F - 1 | 
|  | const __m256i res_16b_lo = _mm256_sra_epi16( | 
|  | _mm256_add_epi16(res_lo, right_shift_const), right_shift); | 
|  | // 8 bit conversion and saturation to uint8 | 
|  | __m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo); | 
|  |  | 
|  | if (w - j > 8) { | 
|  | const __m256i res_hi = convolve_lowbd_6tap(s + 3, coeffs); | 
|  |  | 
|  | /* rounding code */ | 
|  | // shift by F - 1 | 
|  | const __m256i res_16b_hi = _mm256_sra_epi16( | 
|  | _mm256_add_epi16(res_hi, right_shift_const), right_shift); | 
|  | // 8 bit conversion and saturation to uint8 | 
|  | __m256i res_8b_hi = _mm256_packus_epi16(res_16b_hi, res_16b_hi); | 
|  |  | 
|  | __m256i res_a = _mm256_unpacklo_epi64(res_8b_lo, res_8b_hi); | 
|  |  | 
|  | const __m128i res_0 = _mm256_castsi256_si128(res_a); | 
|  | const __m128i res_1 = _mm256_extracti128_si256(res_a, 1); | 
|  |  | 
|  | _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_0); | 
|  | _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride], | 
|  | res_1); | 
|  | } else { | 
|  | const __m128i res_0 = _mm256_castsi256_si128(res_8b_lo); | 
|  | const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1); | 
|  | if (w - j > 4) { | 
|  | _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_0); | 
|  | _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride], | 
|  | res_1); | 
|  | } else if (w - j > 2) { | 
|  | xx_storel_32(&dst[i * dst_stride + j], res_0); | 
|  | xx_storel_32(&dst[i * dst_stride + j + dst_stride], res_1); | 
|  | } else { | 
|  | __m128i *const p_0 = (__m128i *)&dst[i * dst_stride + j]; | 
|  | __m128i *const p_1 = | 
|  | (__m128i *)&dst[i * dst_stride + j + dst_stride]; | 
|  | *(uint16_t *)p_0 = (uint16_t)_mm_cvtsi128_si32(res_0); | 
|  | *(uint16_t *)p_1 = (uint16_t)_mm_cvtsi128_si32(res_1); | 
|  | } | 
|  | } | 
|  | s[0] = s[1]; | 
|  | s[1] = s[2]; | 
|  | s[3] = s[4]; | 
|  | s[4] = s[5]; | 
|  | } | 
|  | } | 
|  | } else { | 
|  | const int fo_vert = filter_params_y->taps / 2 - 1; | 
|  | const uint8_t *const src_ptr = src - fo_vert * src_stride; | 
|  |  | 
|  | for (j = 0; j < w; j += 16) { | 
|  | const uint8_t *data = &src_ptr[j]; | 
|  | __m256i src6; | 
|  |  | 
|  | d[0] = _mm_loadu_si128((__m128i *)(data + 0 * src_stride)); | 
|  | d[1] = _mm_loadu_si128((__m128i *)(data + 1 * src_stride)); | 
|  | d[2] = _mm_loadu_si128((__m128i *)(data + 2 * src_stride)); | 
|  | d[3] = _mm_loadu_si128((__m128i *)(data + 3 * src_stride)); | 
|  | d[4] = _mm_loadu_si128((__m128i *)(data + 4 * src_stride)); | 
|  | d[5] = _mm_loadu_si128((__m128i *)(data + 5 * src_stride)); | 
|  | // Load lines a and b. Line a to lower 128, line b to upper 128 | 
|  | const __m256i src_01a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256(d[0]), _mm256_castsi128_si256(d[1]), 0x20); | 
|  |  | 
|  | const __m256i src_12a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256(d[1]), _mm256_castsi128_si256(d[2]), 0x20); | 
|  |  | 
|  | const __m256i src_23a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256(d[2]), _mm256_castsi128_si256(d[3]), 0x20); | 
|  |  | 
|  | const __m256i src_34a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256(d[3]), _mm256_castsi128_si256(d[4]), 0x20); | 
|  |  | 
|  | const __m256i src_45a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256(d[4]), _mm256_castsi128_si256(d[5]), 0x20); | 
|  |  | 
|  | src6 = _mm256_castsi128_si256( | 
|  | _mm_loadu_si128((__m128i *)(data + 6 * src_stride))); | 
|  | const __m256i src_56a = | 
|  | _mm256_permute2x128_si256(_mm256_castsi128_si256(d[5]), src6, 0x20); | 
|  |  | 
|  | s[0] = _mm256_unpacklo_epi8(src_01a, src_12a); | 
|  | s[1] = _mm256_unpacklo_epi8(src_23a, src_34a); | 
|  | s[2] = _mm256_unpacklo_epi8(src_45a, src_56a); | 
|  |  | 
|  | s[4] = _mm256_unpackhi_epi8(src_01a, src_12a); | 
|  | s[5] = _mm256_unpackhi_epi8(src_23a, src_34a); | 
|  | s[6] = _mm256_unpackhi_epi8(src_45a, src_56a); | 
|  |  | 
|  | for (i = 0; i < h; i += 2) { | 
|  | data = &src_ptr[i * src_stride + j]; | 
|  | const __m256i src_67a = _mm256_permute2x128_si256( | 
|  | src6, | 
|  | _mm256_castsi128_si256( | 
|  | _mm_loadu_si128((__m128i *)(data + 7 * src_stride))), | 
|  | 0x20); | 
|  |  | 
|  | src6 = _mm256_castsi128_si256( | 
|  | _mm_loadu_si128((__m128i *)(data + 8 * src_stride))); | 
|  | const __m256i src_78a = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256( | 
|  | _mm_loadu_si128((__m128i *)(data + 7 * src_stride))), | 
|  | src6, 0x20); | 
|  |  | 
|  | s[3] = _mm256_unpacklo_epi8(src_67a, src_78a); | 
|  | s[7] = _mm256_unpackhi_epi8(src_67a, src_78a); | 
|  |  | 
|  | const __m256i res_lo = convolve_lowbd(s, coeffs); | 
|  |  | 
|  | /* rounding code */ | 
|  | // shift by F - 1 | 
|  | const __m256i res_16b_lo = _mm256_sra_epi16( | 
|  | _mm256_add_epi16(res_lo, right_shift_const), right_shift); | 
|  | // 8 bit conversion and saturation to uint8 | 
|  | __m256i res_8b_lo = _mm256_packus_epi16(res_16b_lo, res_16b_lo); | 
|  |  | 
|  | if (w - j > 8) { | 
|  | const __m256i res_hi = convolve_lowbd(s + 4, coeffs); | 
|  |  | 
|  | /* rounding code */ | 
|  | // shift by F - 1 | 
|  | const __m256i res_16b_hi = _mm256_sra_epi16( | 
|  | _mm256_add_epi16(res_hi, right_shift_const), right_shift); | 
|  | // 8 bit conversion and saturation to uint8 | 
|  | __m256i res_8b_hi = _mm256_packus_epi16(res_16b_hi, res_16b_hi); | 
|  |  | 
|  | __m256i res_a = _mm256_unpacklo_epi64(res_8b_lo, res_8b_hi); | 
|  |  | 
|  | const __m128i res_0 = _mm256_castsi256_si128(res_a); | 
|  | const __m128i res_1 = _mm256_extracti128_si256(res_a, 1); | 
|  |  | 
|  | _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_0); | 
|  | _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride], | 
|  | res_1); | 
|  | } else { | 
|  | const __m128i res_0 = _mm256_castsi256_si128(res_8b_lo); | 
|  | const __m128i res_1 = _mm256_extracti128_si256(res_8b_lo, 1); | 
|  | if (w - j > 4) { | 
|  | _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_0); | 
|  | _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride], | 
|  | res_1); | 
|  | } else if (w - j > 2) { | 
|  | xx_storel_32(&dst[i * dst_stride + j], res_0); | 
|  | xx_storel_32(&dst[i * dst_stride + j + dst_stride], res_1); | 
|  | } else { | 
|  | __m128i *const p_0 = (__m128i *)&dst[i * dst_stride + j]; | 
|  | __m128i *const p_1 = | 
|  | (__m128i *)&dst[i * dst_stride + j + dst_stride]; | 
|  | *(uint16_t *)p_0 = (uint16_t)_mm_cvtsi128_si32(res_0); | 
|  | *(uint16_t *)p_1 = (uint16_t)_mm_cvtsi128_si32(res_1); | 
|  | } | 
|  | } | 
|  | s[0] = s[1]; | 
|  | s[1] = s[2]; | 
|  | s[2] = s[3]; | 
|  |  | 
|  | s[4] = s[5]; | 
|  | s[5] = s[6]; | 
|  | s[6] = s[7]; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | void av1_convolve_x_sr_avx2(const uint8_t *src, int src_stride, uint8_t *dst, | 
|  | int dst_stride, int w, int h, | 
|  | const InterpFilterParams *filter_params_x, | 
|  | const int subpel_x_qn, | 
|  | ConvolveParams *conv_params) { | 
|  | const int bits = FILTER_BITS - conv_params->round_0; | 
|  |  | 
|  | const __m256i round_0_const = | 
|  | _mm256_set1_epi16((1 << (conv_params->round_0 - 1)) >> 1); | 
|  | const __m128i round_0_shift = _mm_cvtsi32_si128(conv_params->round_0 - 1); | 
|  | const __m256i round_const = _mm256_set1_epi16((1 << bits) >> 1); | 
|  | const __m128i round_shift = _mm_cvtsi32_si128(bits); | 
|  | int i, horiz_tap = SUBPEL_TAPS; | 
|  |  | 
|  | assert(bits >= 0); | 
|  | assert((FILTER_BITS - conv_params->round_1) >= 0 || | 
|  | ((conv_params->round_0 + conv_params->round_1) == 2 * FILTER_BITS)); | 
|  | assert(conv_params->round_0 > 0); | 
|  |  | 
|  | __m256i coeffs[4], filt[4]; | 
|  | filt[0] = _mm256_load_si256((__m256i const *)(filt_global_avx2)); | 
|  | filt[1] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32)); | 
|  |  | 
|  | const int16_t *const filter = av1_get_interp_filter_subpel_kernel( | 
|  | filter_params_x, subpel_x_qn & SUBPEL_MASK); | 
|  | if (!(filter[0] | filter[1] | filter[6] | filter[7])) { | 
|  | horiz_tap = 4; | 
|  | } else if (!(filter[0] | filter[7])) { | 
|  | horiz_tap = 6; | 
|  | } | 
|  |  | 
|  | if (horiz_tap == 6) | 
|  | prepare_coeffs_6t_lowbd(filter_params_x, subpel_x_qn, coeffs); | 
|  | else | 
|  | prepare_coeffs_lowbd(filter_params_x, subpel_x_qn, coeffs); | 
|  |  | 
|  | // horz_filt as 4 tap | 
|  | if (horiz_tap == 4) { | 
|  | const int fo_horiz = 1; | 
|  | const uint8_t *const src_ptr = src - fo_horiz; | 
|  | if (w <= 8) { | 
|  | for (i = 0; i < h; i += 2) { | 
|  | const __m256i data = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256( | 
|  | _mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride]))), | 
|  | _mm256_castsi128_si256(_mm_loadu_si128( | 
|  | (__m128i *)(&src_ptr[i * src_stride + src_stride]))), | 
|  | 0x20); | 
|  |  | 
|  | __m256i res_16b = convolve_lowbd_x_4tap(data, coeffs + 1, filt); | 
|  |  | 
|  | res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const), | 
|  | round_0_shift); | 
|  |  | 
|  | res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const), | 
|  | round_shift); | 
|  |  | 
|  | /* rounding code */ | 
|  | // 8 bit conversion and saturation to uint8 | 
|  | __m256i res_8b = _mm256_packus_epi16(res_16b, res_16b); | 
|  |  | 
|  | const __m128i res_0 = _mm256_castsi256_si128(res_8b); | 
|  | const __m128i res_1 = _mm256_extracti128_si256(res_8b, 1); | 
|  |  | 
|  | if (w > 4) { | 
|  | _mm_storel_epi64((__m128i *)&dst[i * dst_stride], res_0); | 
|  | _mm_storel_epi64((__m128i *)&dst[i * dst_stride + dst_stride], res_1); | 
|  | } else if (w > 2) { | 
|  | xx_storel_32(&dst[i * dst_stride], res_0); | 
|  | xx_storel_32(&dst[i * dst_stride + dst_stride], res_1); | 
|  | } else { | 
|  | __m128i *const p_0 = (__m128i *)&dst[i * dst_stride]; | 
|  | __m128i *const p_1 = (__m128i *)&dst[i * dst_stride + dst_stride]; | 
|  | *(uint16_t *)p_0 = (uint16_t)_mm_cvtsi128_si32(res_0); | 
|  | *(uint16_t *)p_1 = (uint16_t)_mm_cvtsi128_si32(res_1); | 
|  | } | 
|  | } | 
|  | } else { | 
|  | for (i = 0; i < h; ++i) { | 
|  | for (int j = 0; j < w; j += 16) { | 
|  | // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 8 9 10 11 12 13 14 15 16 17 | 
|  | // 18 19 20 21 22 23 | 
|  | const __m256i data = _mm256_inserti128_si256( | 
|  | _mm256_loadu_si256((__m256i *)&src_ptr[(i * src_stride) + j]), | 
|  | _mm_loadu_si128((__m128i *)&src_ptr[(i * src_stride) + (j + 8)]), | 
|  | 1); | 
|  |  | 
|  | __m256i res_16b = convolve_lowbd_x_4tap(data, coeffs + 1, filt); | 
|  |  | 
|  | res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const), | 
|  | round_0_shift); | 
|  |  | 
|  | res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const), | 
|  | round_shift); | 
|  |  | 
|  | /* rounding code */ | 
|  | // 8 bit conversion and saturation to uint8 | 
|  | __m256i res_8b = _mm256_packus_epi16(res_16b, res_16b); | 
|  |  | 
|  | // Store values into the destination buffer | 
|  | // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | 
|  | res_8b = _mm256_permute4x64_epi64(res_8b, 216); | 
|  | __m128i res = _mm256_castsi256_si128(res_8b); | 
|  | _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res); | 
|  | } | 
|  | } | 
|  | } | 
|  | } else if (horiz_tap == 6) { | 
|  | const int fo_horiz = horiz_tap / 2 - 1; | 
|  | const uint8_t *const src_ptr = src - fo_horiz; | 
|  | filt[2] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 2)); | 
|  | filt[3] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 3)); | 
|  |  | 
|  | if (w <= 8) { | 
|  | for (i = 0; i < h; i += 2) { | 
|  | const __m256i data = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256( | 
|  | _mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride]))), | 
|  | _mm256_castsi128_si256(_mm_loadu_si128( | 
|  | (__m128i *)(&src_ptr[i * src_stride + src_stride]))), | 
|  | 0x20); | 
|  |  | 
|  | __m256i res_16b = convolve_lowbd_x_6tap(data, coeffs, filt); | 
|  |  | 
|  | res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const), | 
|  | round_0_shift); | 
|  |  | 
|  | res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const), | 
|  | round_shift); | 
|  |  | 
|  | /* rounding code */ | 
|  | // 8 bit conversion and saturation to uint8 | 
|  | __m256i res_8b = _mm256_packus_epi16(res_16b, res_16b); | 
|  |  | 
|  | const __m128i res_0 = _mm256_castsi256_si128(res_8b); | 
|  | const __m128i res_1 = _mm256_extracti128_si256(res_8b, 1); | 
|  | if (w > 4) { | 
|  | _mm_storel_epi64((__m128i *)&dst[i * dst_stride], res_0); | 
|  | _mm_storel_epi64((__m128i *)&dst[i * dst_stride + dst_stride], res_1); | 
|  | } else if (w > 2) { | 
|  | xx_storel_32(&dst[i * dst_stride], res_0); | 
|  | xx_storel_32(&dst[i * dst_stride + dst_stride], res_1); | 
|  | } else { | 
|  | __m128i *const p_0 = (__m128i *)&dst[i * dst_stride]; | 
|  | __m128i *const p_1 = (__m128i *)&dst[i * dst_stride + dst_stride]; | 
|  | *(uint16_t *)p_0 = _mm_cvtsi128_si32(res_0); | 
|  | *(uint16_t *)p_1 = _mm_cvtsi128_si32(res_1); | 
|  | } | 
|  | } | 
|  | } else { | 
|  | for (i = 0; i < h; ++i) { | 
|  | for (int j = 0; j < w; j += 16) { | 
|  | // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 8 9 10 11 12 13 14 15 16 17 | 
|  | // 18 19 20 21 22 23 | 
|  | const __m256i data = _mm256_inserti128_si256( | 
|  | _mm256_loadu_si256((__m256i *)&src_ptr[(i * src_stride) + j]), | 
|  | _mm_loadu_si128((__m128i *)&src_ptr[(i * src_stride) + (j + 8)]), | 
|  | 1); | 
|  |  | 
|  | __m256i res_16b = convolve_lowbd_x_6tap(data, coeffs, filt); | 
|  |  | 
|  | res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const), | 
|  | round_0_shift); | 
|  |  | 
|  | res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const), | 
|  | round_shift); | 
|  |  | 
|  | /* rounding code */ | 
|  | // 8 bit conversion and saturation to uint8 | 
|  | __m256i res_8b = _mm256_packus_epi16(res_16b, res_16b); | 
|  |  | 
|  | // Store values into the destination buffer | 
|  | // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | 
|  | res_8b = _mm256_permute4x64_epi64(res_8b, 216); | 
|  | __m128i res = _mm256_castsi256_si128(res_8b); | 
|  | _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res); | 
|  | } | 
|  | } | 
|  | } | 
|  | } else { | 
|  | const int fo_horiz = filter_params_x->taps / 2 - 1; | 
|  | const uint8_t *const src_ptr = src - fo_horiz; | 
|  | filt[2] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 2)); | 
|  | filt[3] = _mm256_load_si256((__m256i const *)(filt_global_avx2 + 32 * 3)); | 
|  |  | 
|  | if (w <= 8) { | 
|  | for (i = 0; i < h; i += 2) { | 
|  | const __m256i data = _mm256_permute2x128_si256( | 
|  | _mm256_castsi128_si256( | 
|  | _mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride]))), | 
|  | _mm256_castsi128_si256(_mm_loadu_si128( | 
|  | (__m128i *)(&src_ptr[i * src_stride + src_stride]))), | 
|  | 0x20); | 
|  |  | 
|  | __m256i res_16b = convolve_lowbd_x(data, coeffs, filt); | 
|  |  | 
|  | res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const), | 
|  | round_0_shift); | 
|  |  | 
|  | res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const), | 
|  | round_shift); | 
|  |  | 
|  | /* rounding code */ | 
|  | // 8 bit conversion and saturation to uint8 | 
|  | __m256i res_8b = _mm256_packus_epi16(res_16b, res_16b); | 
|  |  | 
|  | const __m128i res_0 = _mm256_castsi256_si128(res_8b); | 
|  | const __m128i res_1 = _mm256_extracti128_si256(res_8b, 1); | 
|  | if (w > 4) { | 
|  | _mm_storel_epi64((__m128i *)&dst[i * dst_stride], res_0); | 
|  | _mm_storel_epi64((__m128i *)&dst[i * dst_stride + dst_stride], res_1); | 
|  | } else if (w > 2) { | 
|  | xx_storel_32(&dst[i * dst_stride], res_0); | 
|  | xx_storel_32(&dst[i * dst_stride + dst_stride], res_1); | 
|  | } else { | 
|  | __m128i *const p_0 = (__m128i *)&dst[i * dst_stride]; | 
|  | __m128i *const p_1 = (__m128i *)&dst[i * dst_stride + dst_stride]; | 
|  | *(uint16_t *)p_0 = _mm_cvtsi128_si32(res_0); | 
|  | *(uint16_t *)p_1 = _mm_cvtsi128_si32(res_1); | 
|  | } | 
|  | } | 
|  | } else { | 
|  | for (i = 0; i < h; ++i) { | 
|  | for (int j = 0; j < w; j += 16) { | 
|  | // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 8 9 10 11 12 13 14 15 16 17 | 
|  | // 18 19 20 21 22 23 | 
|  | const __m256i data = _mm256_inserti128_si256( | 
|  | _mm256_loadu_si256((__m256i *)&src_ptr[(i * src_stride) + j]), | 
|  | _mm_loadu_si128((__m128i *)&src_ptr[(i * src_stride) + (j + 8)]), | 
|  | 1); | 
|  |  | 
|  | __m256i res_16b = convolve_lowbd_x(data, coeffs, filt); | 
|  |  | 
|  | res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_0_const), | 
|  | round_0_shift); | 
|  |  | 
|  | res_16b = _mm256_sra_epi16(_mm256_add_epi16(res_16b, round_const), | 
|  | round_shift); | 
|  |  | 
|  | /* rounding code */ | 
|  | // 8 bit conversion and saturation to uint8 | 
|  | __m256i res_8b = _mm256_packus_epi16(res_16b, res_16b); | 
|  |  | 
|  | // Store values into the destination buffer | 
|  | // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | 
|  | res_8b = _mm256_permute4x64_epi64(res_8b, 216); | 
|  | __m128i res = _mm256_castsi256_si128(res_8b); | 
|  | _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } |