| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. 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 www.aomedia.org/license/patent. |
| */ |
| |
| #include <immintrin.h> |
| |
| #include "config/aom_dsp_rtcd.h" |
| #include "aom/aom_integer.h" |
| #include "aom_dsp/x86/bitdepth_conversion_avx2.h" |
| #include "aom_ports/mem.h" |
| |
| static void hadamard_col8x2_avx2(__m256i *in, int iter) { |
| __m256i a0 = in[0]; |
| __m256i a1 = in[1]; |
| __m256i a2 = in[2]; |
| __m256i a3 = in[3]; |
| __m256i a4 = in[4]; |
| __m256i a5 = in[5]; |
| __m256i a6 = in[6]; |
| __m256i a7 = in[7]; |
| |
| __m256i b0 = _mm256_add_epi16(a0, a1); |
| __m256i b1 = _mm256_sub_epi16(a0, a1); |
| __m256i b2 = _mm256_add_epi16(a2, a3); |
| __m256i b3 = _mm256_sub_epi16(a2, a3); |
| __m256i b4 = _mm256_add_epi16(a4, a5); |
| __m256i b5 = _mm256_sub_epi16(a4, a5); |
| __m256i b6 = _mm256_add_epi16(a6, a7); |
| __m256i b7 = _mm256_sub_epi16(a6, a7); |
| |
| a0 = _mm256_add_epi16(b0, b2); |
| a1 = _mm256_add_epi16(b1, b3); |
| a2 = _mm256_sub_epi16(b0, b2); |
| a3 = _mm256_sub_epi16(b1, b3); |
| a4 = _mm256_add_epi16(b4, b6); |
| a5 = _mm256_add_epi16(b5, b7); |
| a6 = _mm256_sub_epi16(b4, b6); |
| a7 = _mm256_sub_epi16(b5, b7); |
| |
| if (iter == 0) { |
| b0 = _mm256_add_epi16(a0, a4); |
| b7 = _mm256_add_epi16(a1, a5); |
| b3 = _mm256_add_epi16(a2, a6); |
| b4 = _mm256_add_epi16(a3, a7); |
| b2 = _mm256_sub_epi16(a0, a4); |
| b6 = _mm256_sub_epi16(a1, a5); |
| b1 = _mm256_sub_epi16(a2, a6); |
| b5 = _mm256_sub_epi16(a3, a7); |
| |
| a0 = _mm256_unpacklo_epi16(b0, b1); |
| a1 = _mm256_unpacklo_epi16(b2, b3); |
| a2 = _mm256_unpackhi_epi16(b0, b1); |
| a3 = _mm256_unpackhi_epi16(b2, b3); |
| a4 = _mm256_unpacklo_epi16(b4, b5); |
| a5 = _mm256_unpacklo_epi16(b6, b7); |
| a6 = _mm256_unpackhi_epi16(b4, b5); |
| a7 = _mm256_unpackhi_epi16(b6, b7); |
| |
| b0 = _mm256_unpacklo_epi32(a0, a1); |
| b1 = _mm256_unpacklo_epi32(a4, a5); |
| b2 = _mm256_unpackhi_epi32(a0, a1); |
| b3 = _mm256_unpackhi_epi32(a4, a5); |
| b4 = _mm256_unpacklo_epi32(a2, a3); |
| b5 = _mm256_unpacklo_epi32(a6, a7); |
| b6 = _mm256_unpackhi_epi32(a2, a3); |
| b7 = _mm256_unpackhi_epi32(a6, a7); |
| |
| in[0] = _mm256_unpacklo_epi64(b0, b1); |
| in[1] = _mm256_unpackhi_epi64(b0, b1); |
| in[2] = _mm256_unpacklo_epi64(b2, b3); |
| in[3] = _mm256_unpackhi_epi64(b2, b3); |
| in[4] = _mm256_unpacklo_epi64(b4, b5); |
| in[5] = _mm256_unpackhi_epi64(b4, b5); |
| in[6] = _mm256_unpacklo_epi64(b6, b7); |
| in[7] = _mm256_unpackhi_epi64(b6, b7); |
| } else { |
| in[0] = _mm256_add_epi16(a0, a4); |
| in[7] = _mm256_add_epi16(a1, a5); |
| in[3] = _mm256_add_epi16(a2, a6); |
| in[4] = _mm256_add_epi16(a3, a7); |
| in[2] = _mm256_sub_epi16(a0, a4); |
| in[6] = _mm256_sub_epi16(a1, a5); |
| in[1] = _mm256_sub_epi16(a2, a6); |
| in[5] = _mm256_sub_epi16(a3, a7); |
| } |
| } |
| |
| void aom_hadamard_lp_8x8_dual_avx2(const int16_t *src_diff, |
| ptrdiff_t src_stride, int16_t *coeff) { |
| __m256i src[8]; |
| src[0] = _mm256_loadu_si256((const __m256i *)src_diff); |
| src[1] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); |
| src[2] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); |
| src[3] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); |
| src[4] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); |
| src[5] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); |
| src[6] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); |
| src[7] = _mm256_loadu_si256((const __m256i *)(src_diff + src_stride)); |
| |
| hadamard_col8x2_avx2(src, 0); |
| hadamard_col8x2_avx2(src, 1); |
| |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[0], src[1], 0x20)); |
| coeff += 16; |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[2], src[3], 0x20)); |
| coeff += 16; |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[4], src[5], 0x20)); |
| coeff += 16; |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[6], src[7], 0x20)); |
| coeff += 16; |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[0], src[1], 0x31)); |
| coeff += 16; |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[2], src[3], 0x31)); |
| coeff += 16; |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[4], src[5], 0x31)); |
| coeff += 16; |
| _mm256_storeu_si256((__m256i *)coeff, |
| _mm256_permute2x128_si256(src[6], src[7], 0x31)); |
| } |
| |
| static INLINE void hadamard_16x16_avx2(const int16_t *src_diff, |
| ptrdiff_t src_stride, tran_low_t *coeff, |
| int is_final) { |
| DECLARE_ALIGNED(32, int16_t, temp_coeff[16 * 16]); |
| int16_t *t_coeff = temp_coeff; |
| int16_t *coeff16 = (int16_t *)coeff; |
| int idx; |
| for (idx = 0; idx < 2; ++idx) { |
| const int16_t *src_ptr = src_diff + idx * 8 * src_stride; |
| aom_hadamard_lp_8x8_dual_avx2(src_ptr, src_stride, |
| t_coeff + (idx * 64 * 2)); |
| } |
| |
| for (idx = 0; idx < 64; idx += 16) { |
| const __m256i coeff0 = _mm256_loadu_si256((const __m256i *)t_coeff); |
| const __m256i coeff1 = _mm256_loadu_si256((const __m256i *)(t_coeff + 64)); |
| const __m256i coeff2 = _mm256_loadu_si256((const __m256i *)(t_coeff + 128)); |
| const __m256i coeff3 = _mm256_loadu_si256((const __m256i *)(t_coeff + 192)); |
| |
| __m256i b0 = _mm256_add_epi16(coeff0, coeff1); |
| __m256i b1 = _mm256_sub_epi16(coeff0, coeff1); |
| __m256i b2 = _mm256_add_epi16(coeff2, coeff3); |
| __m256i b3 = _mm256_sub_epi16(coeff2, coeff3); |
| |
| b0 = _mm256_srai_epi16(b0, 1); |
| b1 = _mm256_srai_epi16(b1, 1); |
| b2 = _mm256_srai_epi16(b2, 1); |
| b3 = _mm256_srai_epi16(b3, 1); |
| if (is_final) { |
| store_tran_low(_mm256_add_epi16(b0, b2), coeff); |
| store_tran_low(_mm256_add_epi16(b1, b3), coeff + 64); |
| store_tran_low(_mm256_sub_epi16(b0, b2), coeff + 128); |
| store_tran_low(_mm256_sub_epi16(b1, b3), coeff + 192); |
| coeff += 16; |
| } else { |
| _mm256_storeu_si256((__m256i *)coeff16, _mm256_add_epi16(b0, b2)); |
| _mm256_storeu_si256((__m256i *)(coeff16 + 64), _mm256_add_epi16(b1, b3)); |
| _mm256_storeu_si256((__m256i *)(coeff16 + 128), _mm256_sub_epi16(b0, b2)); |
| _mm256_storeu_si256((__m256i *)(coeff16 + 192), _mm256_sub_epi16(b1, b3)); |
| coeff16 += 16; |
| } |
| t_coeff += 16; |
| } |
| } |
| |
| void aom_hadamard_16x16_avx2(const int16_t *src_diff, ptrdiff_t src_stride, |
| tran_low_t *coeff) { |
| hadamard_16x16_avx2(src_diff, src_stride, coeff, 1); |
| } |
| |
| void aom_hadamard_lp_16x16_avx2(const int16_t *src_diff, ptrdiff_t src_stride, |
| int16_t *coeff) { |
| int16_t *t_coeff = coeff; |
| for (int idx = 0; idx < 2; ++idx) { |
| const int16_t *src_ptr = src_diff + idx * 8 * src_stride; |
| aom_hadamard_lp_8x8_dual_avx2(src_ptr, src_stride, |
| t_coeff + (idx * 64 * 2)); |
| } |
| |
| for (int idx = 0; idx < 64; idx += 16) { |
| const __m256i coeff0 = _mm256_loadu_si256((const __m256i *)t_coeff); |
| const __m256i coeff1 = _mm256_loadu_si256((const __m256i *)(t_coeff + 64)); |
| const __m256i coeff2 = _mm256_loadu_si256((const __m256i *)(t_coeff + 128)); |
| const __m256i coeff3 = _mm256_loadu_si256((const __m256i *)(t_coeff + 192)); |
| |
| __m256i b0 = _mm256_add_epi16(coeff0, coeff1); |
| __m256i b1 = _mm256_sub_epi16(coeff0, coeff1); |
| __m256i b2 = _mm256_add_epi16(coeff2, coeff3); |
| __m256i b3 = _mm256_sub_epi16(coeff2, coeff3); |
| |
| b0 = _mm256_srai_epi16(b0, 1); |
| b1 = _mm256_srai_epi16(b1, 1); |
| b2 = _mm256_srai_epi16(b2, 1); |
| b3 = _mm256_srai_epi16(b3, 1); |
| _mm256_storeu_si256((__m256i *)coeff, _mm256_add_epi16(b0, b2)); |
| _mm256_storeu_si256((__m256i *)(coeff + 64), _mm256_add_epi16(b1, b3)); |
| _mm256_storeu_si256((__m256i *)(coeff + 128), _mm256_sub_epi16(b0, b2)); |
| _mm256_storeu_si256((__m256i *)(coeff + 192), _mm256_sub_epi16(b1, b3)); |
| coeff += 16; |
| t_coeff += 16; |
| } |
| } |
| |
| void aom_hadamard_32x32_avx2(const int16_t *src_diff, ptrdiff_t src_stride, |
| tran_low_t *coeff) { |
| // For high bitdepths, it is unnecessary to store_tran_low |
| // (mult/unpack/store), then load_tran_low (load/pack) the same memory in the |
| // next stage. Output to an intermediate buffer first, then store_tran_low() |
| // in the final stage. |
| DECLARE_ALIGNED(32, int16_t, temp_coeff[32 * 32]); |
| int16_t *t_coeff = temp_coeff; |
| int idx; |
| for (idx = 0; idx < 4; ++idx) { |
| // src_diff: 9 bit, dynamic range [-255, 255] |
| const int16_t *src_ptr = |
| src_diff + (idx >> 1) * 16 * src_stride + (idx & 0x01) * 16; |
| hadamard_16x16_avx2(src_ptr, src_stride, |
| (tran_low_t *)(t_coeff + idx * 256), 0); |
| } |
| |
| for (idx = 0; idx < 256; idx += 16) { |
| const __m256i coeff0 = _mm256_loadu_si256((const __m256i *)t_coeff); |
| const __m256i coeff1 = _mm256_loadu_si256((const __m256i *)(t_coeff + 256)); |
| const __m256i coeff2 = _mm256_loadu_si256((const __m256i *)(t_coeff + 512)); |
| const __m256i coeff3 = _mm256_loadu_si256((const __m256i *)(t_coeff + 768)); |
| |
| __m256i b0 = _mm256_add_epi16(coeff0, coeff1); |
| __m256i b1 = _mm256_sub_epi16(coeff0, coeff1); |
| __m256i b2 = _mm256_add_epi16(coeff2, coeff3); |
| __m256i b3 = _mm256_sub_epi16(coeff2, coeff3); |
| |
| b0 = _mm256_srai_epi16(b0, 2); |
| b1 = _mm256_srai_epi16(b1, 2); |
| b2 = _mm256_srai_epi16(b2, 2); |
| b3 = _mm256_srai_epi16(b3, 2); |
| |
| store_tran_low(_mm256_add_epi16(b0, b2), coeff); |
| store_tran_low(_mm256_add_epi16(b1, b3), coeff + 256); |
| store_tran_low(_mm256_sub_epi16(b0, b2), coeff + 512); |
| store_tran_low(_mm256_sub_epi16(b1, b3), coeff + 768); |
| |
| coeff += 16; |
| t_coeff += 16; |
| } |
| } |
| |
| #if CONFIG_AV1_HIGHBITDEPTH |
| static void highbd_hadamard_col8_avx2(__m256i *in, int iter) { |
| __m256i a0 = in[0]; |
| __m256i a1 = in[1]; |
| __m256i a2 = in[2]; |
| __m256i a3 = in[3]; |
| __m256i a4 = in[4]; |
| __m256i a5 = in[5]; |
| __m256i a6 = in[6]; |
| __m256i a7 = in[7]; |
| |
| __m256i b0 = _mm256_add_epi32(a0, a1); |
| __m256i b1 = _mm256_sub_epi32(a0, a1); |
| __m256i b2 = _mm256_add_epi32(a2, a3); |
| __m256i b3 = _mm256_sub_epi32(a2, a3); |
| __m256i b4 = _mm256_add_epi32(a4, a5); |
| __m256i b5 = _mm256_sub_epi32(a4, a5); |
| __m256i b6 = _mm256_add_epi32(a6, a7); |
| __m256i b7 = _mm256_sub_epi32(a6, a7); |
| |
| a0 = _mm256_add_epi32(b0, b2); |
| a1 = _mm256_add_epi32(b1, b3); |
| a2 = _mm256_sub_epi32(b0, b2); |
| a3 = _mm256_sub_epi32(b1, b3); |
| a4 = _mm256_add_epi32(b4, b6); |
| a5 = _mm256_add_epi32(b5, b7); |
| a6 = _mm256_sub_epi32(b4, b6); |
| a7 = _mm256_sub_epi32(b5, b7); |
| |
| if (iter == 0) { |
| b0 = _mm256_add_epi32(a0, a4); |
| b7 = _mm256_add_epi32(a1, a5); |
| b3 = _mm256_add_epi32(a2, a6); |
| b4 = _mm256_add_epi32(a3, a7); |
| b2 = _mm256_sub_epi32(a0, a4); |
| b6 = _mm256_sub_epi32(a1, a5); |
| b1 = _mm256_sub_epi32(a2, a6); |
| b5 = _mm256_sub_epi32(a3, a7); |
| |
| a0 = _mm256_unpacklo_epi32(b0, b1); |
| a1 = _mm256_unpacklo_epi32(b2, b3); |
| a2 = _mm256_unpackhi_epi32(b0, b1); |
| a3 = _mm256_unpackhi_epi32(b2, b3); |
| a4 = _mm256_unpacklo_epi32(b4, b5); |
| a5 = _mm256_unpacklo_epi32(b6, b7); |
| a6 = _mm256_unpackhi_epi32(b4, b5); |
| a7 = _mm256_unpackhi_epi32(b6, b7); |
| |
| b0 = _mm256_unpacklo_epi64(a0, a1); |
| b1 = _mm256_unpacklo_epi64(a4, a5); |
| b2 = _mm256_unpackhi_epi64(a0, a1); |
| b3 = _mm256_unpackhi_epi64(a4, a5); |
| b4 = _mm256_unpacklo_epi64(a2, a3); |
| b5 = _mm256_unpacklo_epi64(a6, a7); |
| b6 = _mm256_unpackhi_epi64(a2, a3); |
| b7 = _mm256_unpackhi_epi64(a6, a7); |
| |
| in[0] = _mm256_permute2x128_si256(b0, b1, 0x20); |
| in[1] = _mm256_permute2x128_si256(b0, b1, 0x31); |
| in[2] = _mm256_permute2x128_si256(b2, b3, 0x20); |
| in[3] = _mm256_permute2x128_si256(b2, b3, 0x31); |
| in[4] = _mm256_permute2x128_si256(b4, b5, 0x20); |
| in[5] = _mm256_permute2x128_si256(b4, b5, 0x31); |
| in[6] = _mm256_permute2x128_si256(b6, b7, 0x20); |
| in[7] = _mm256_permute2x128_si256(b6, b7, 0x31); |
| } else { |
| in[0] = _mm256_add_epi32(a0, a4); |
| in[7] = _mm256_add_epi32(a1, a5); |
| in[3] = _mm256_add_epi32(a2, a6); |
| in[4] = _mm256_add_epi32(a3, a7); |
| in[2] = _mm256_sub_epi32(a0, a4); |
| in[6] = _mm256_sub_epi32(a1, a5); |
| in[1] = _mm256_sub_epi32(a2, a6); |
| in[5] = _mm256_sub_epi32(a3, a7); |
| } |
| } |
| |
| void aom_highbd_hadamard_8x8_avx2(const int16_t *src_diff, ptrdiff_t src_stride, |
| tran_low_t *coeff) { |
| __m128i src16[8]; |
| __m256i src32[8]; |
| |
| src16[0] = _mm_loadu_si128((const __m128i *)src_diff); |
| src16[1] = _mm_loadu_si128((const __m128i *)(src_diff += src_stride)); |
| src16[2] = _mm_loadu_si128((const __m128i *)(src_diff += src_stride)); |
| src16[3] = _mm_loadu_si128((const __m128i *)(src_diff += src_stride)); |
| src16[4] = _mm_loadu_si128((const __m128i *)(src_diff += src_stride)); |
| src16[5] = _mm_loadu_si128((const __m128i *)(src_diff += src_stride)); |
| src16[6] = _mm_loadu_si128((const __m128i *)(src_diff += src_stride)); |
| src16[7] = _mm_loadu_si128((const __m128i *)(src_diff + src_stride)); |
| |
| src32[0] = _mm256_cvtepi16_epi32(src16[0]); |
| src32[1] = _mm256_cvtepi16_epi32(src16[1]); |
| src32[2] = _mm256_cvtepi16_epi32(src16[2]); |
| src32[3] = _mm256_cvtepi16_epi32(src16[3]); |
| src32[4] = _mm256_cvtepi16_epi32(src16[4]); |
| src32[5] = _mm256_cvtepi16_epi32(src16[5]); |
| src32[6] = _mm256_cvtepi16_epi32(src16[6]); |
| src32[7] = _mm256_cvtepi16_epi32(src16[7]); |
| |
| highbd_hadamard_col8_avx2(src32, 0); |
| highbd_hadamard_col8_avx2(src32, 1); |
| |
| _mm256_storeu_si256((__m256i *)coeff, src32[0]); |
| coeff += 8; |
| _mm256_storeu_si256((__m256i *)coeff, src32[1]); |
| coeff += 8; |
| _mm256_storeu_si256((__m256i *)coeff, src32[2]); |
| coeff += 8; |
| _mm256_storeu_si256((__m256i *)coeff, src32[3]); |
| coeff += 8; |
| _mm256_storeu_si256((__m256i *)coeff, src32[4]); |
| coeff += 8; |
| _mm256_storeu_si256((__m256i *)coeff, src32[5]); |
| coeff += 8; |
| _mm256_storeu_si256((__m256i *)coeff, src32[6]); |
| coeff += 8; |
| _mm256_storeu_si256((__m256i *)coeff, src32[7]); |
| } |
| |
| void aom_highbd_hadamard_16x16_avx2(const int16_t *src_diff, |
| ptrdiff_t src_stride, tran_low_t *coeff) { |
| int idx; |
| tran_low_t *t_coeff = coeff; |
| for (idx = 0; idx < 4; ++idx) { |
| const int16_t *src_ptr = |
| src_diff + (idx >> 1) * 8 * src_stride + (idx & 0x01) * 8; |
| aom_highbd_hadamard_8x8_avx2(src_ptr, src_stride, t_coeff + idx * 64); |
| } |
| |
| for (idx = 0; idx < 64; idx += 8) { |
| __m256i coeff0 = _mm256_loadu_si256((const __m256i *)t_coeff); |
| __m256i coeff1 = _mm256_loadu_si256((const __m256i *)(t_coeff + 64)); |
| __m256i coeff2 = _mm256_loadu_si256((const __m256i *)(t_coeff + 128)); |
| __m256i coeff3 = _mm256_loadu_si256((const __m256i *)(t_coeff + 192)); |
| |
| __m256i b0 = _mm256_add_epi32(coeff0, coeff1); |
| __m256i b1 = _mm256_sub_epi32(coeff0, coeff1); |
| __m256i b2 = _mm256_add_epi32(coeff2, coeff3); |
| __m256i b3 = _mm256_sub_epi32(coeff2, coeff3); |
| |
| b0 = _mm256_srai_epi32(b0, 1); |
| b1 = _mm256_srai_epi32(b1, 1); |
| b2 = _mm256_srai_epi32(b2, 1); |
| b3 = _mm256_srai_epi32(b3, 1); |
| |
| coeff0 = _mm256_add_epi32(b0, b2); |
| coeff1 = _mm256_add_epi32(b1, b3); |
| coeff2 = _mm256_sub_epi32(b0, b2); |
| coeff3 = _mm256_sub_epi32(b1, b3); |
| |
| _mm256_storeu_si256((__m256i *)coeff, coeff0); |
| _mm256_storeu_si256((__m256i *)(coeff + 64), coeff1); |
| _mm256_storeu_si256((__m256i *)(coeff + 128), coeff2); |
| _mm256_storeu_si256((__m256i *)(coeff + 192), coeff3); |
| |
| coeff += 8; |
| t_coeff += 8; |
| } |
| } |
| |
| void aom_highbd_hadamard_32x32_avx2(const int16_t *src_diff, |
| ptrdiff_t src_stride, tran_low_t *coeff) { |
| int idx; |
| tran_low_t *t_coeff = coeff; |
| for (idx = 0; idx < 4; ++idx) { |
| const int16_t *src_ptr = |
| src_diff + (idx >> 1) * 16 * src_stride + (idx & 0x01) * 16; |
| aom_highbd_hadamard_16x16_avx2(src_ptr, src_stride, t_coeff + idx * 256); |
| } |
| |
| for (idx = 0; idx < 256; idx += 8) { |
| __m256i coeff0 = _mm256_loadu_si256((const __m256i *)t_coeff); |
| __m256i coeff1 = _mm256_loadu_si256((const __m256i *)(t_coeff + 256)); |
| __m256i coeff2 = _mm256_loadu_si256((const __m256i *)(t_coeff + 512)); |
| __m256i coeff3 = _mm256_loadu_si256((const __m256i *)(t_coeff + 768)); |
| |
| __m256i b0 = _mm256_add_epi32(coeff0, coeff1); |
| __m256i b1 = _mm256_sub_epi32(coeff0, coeff1); |
| __m256i b2 = _mm256_add_epi32(coeff2, coeff3); |
| __m256i b3 = _mm256_sub_epi32(coeff2, coeff3); |
| |
| b0 = _mm256_srai_epi32(b0, 2); |
| b1 = _mm256_srai_epi32(b1, 2); |
| b2 = _mm256_srai_epi32(b2, 2); |
| b3 = _mm256_srai_epi32(b3, 2); |
| |
| coeff0 = _mm256_add_epi32(b0, b2); |
| coeff1 = _mm256_add_epi32(b1, b3); |
| coeff2 = _mm256_sub_epi32(b0, b2); |
| coeff3 = _mm256_sub_epi32(b1, b3); |
| |
| _mm256_storeu_si256((__m256i *)coeff, coeff0); |
| _mm256_storeu_si256((__m256i *)(coeff + 256), coeff1); |
| _mm256_storeu_si256((__m256i *)(coeff + 512), coeff2); |
| _mm256_storeu_si256((__m256i *)(coeff + 768), coeff3); |
| |
| coeff += 8; |
| t_coeff += 8; |
| } |
| } |
| #endif // CONFIG_AV1_HIGHBITDEPTH |
| |
| int aom_satd_avx2(const tran_low_t *coeff, int length) { |
| __m256i accum = _mm256_setzero_si256(); |
| int i; |
| |
| for (i = 0; i < length; i += 8, coeff += 8) { |
| const __m256i src_line = _mm256_loadu_si256((const __m256i *)coeff); |
| const __m256i abs = _mm256_abs_epi32(src_line); |
| accum = _mm256_add_epi32(accum, abs); |
| } |
| |
| { // 32 bit horizontal add |
| const __m256i a = _mm256_srli_si256(accum, 8); |
| const __m256i b = _mm256_add_epi32(accum, a); |
| const __m256i c = _mm256_srli_epi64(b, 32); |
| const __m256i d = _mm256_add_epi32(b, c); |
| const __m128i accum_128 = _mm_add_epi32(_mm256_castsi256_si128(d), |
| _mm256_extractf128_si256(d, 1)); |
| return _mm_cvtsi128_si32(accum_128); |
| } |
| } |
| |
| int aom_satd_lp_avx2(const int16_t *coeff, int length) { |
| const __m256i one = _mm256_set1_epi16(1); |
| __m256i accum = _mm256_setzero_si256(); |
| |
| for (int i = 0; i < length; i += 16) { |
| const __m256i src_line = _mm256_loadu_si256((const __m256i *)coeff); |
| const __m256i abs = _mm256_abs_epi16(src_line); |
| const __m256i sum = _mm256_madd_epi16(abs, one); |
| accum = _mm256_add_epi32(accum, sum); |
| coeff += 16; |
| } |
| |
| { // 32 bit horizontal add |
| const __m256i a = _mm256_srli_si256(accum, 8); |
| const __m256i b = _mm256_add_epi32(accum, a); |
| const __m256i c = _mm256_srli_epi64(b, 32); |
| const __m256i d = _mm256_add_epi32(b, c); |
| const __m128i accum_128 = _mm_add_epi32(_mm256_castsi256_si128(d), |
| _mm256_extractf128_si256(d, 1)); |
| return _mm_cvtsi128_si32(accum_128); |
| } |
| } |
| |
| static INLINE __m256i calc_avg_8x8_dual_avx2(const uint8_t *s, int p) { |
| const __m256i s0 = |
| _mm256_cvtepu8_epi16(_mm_loadu_si128((const __m128i *)(s))); |
| const __m256i s1 = |
| _mm256_cvtepu8_epi16(_mm_loadu_si128((const __m128i *)(s + p))); |
| const __m256i s2 = |
| _mm256_cvtepu8_epi16(_mm_loadu_si128((const __m128i *)(s + 2 * p))); |
| const __m256i s3 = |
| _mm256_cvtepu8_epi16(_mm_loadu_si128((const __m128i *)(s + 3 * p))); |
| const __m256i sum0 = |
| _mm256_add_epi16(_mm256_add_epi16(s0, s1), _mm256_add_epi16(s2, s3)); |
| const __m256i s4 = |
| _mm256_cvtepu8_epi16(_mm_loadu_si128((const __m128i *)(s + 4 * p))); |
| const __m256i s5 = |
| _mm256_cvtepu8_epi16(_mm_loadu_si128((const __m128i *)(s + 5 * p))); |
| const __m256i s6 = |
| _mm256_cvtepu8_epi16(_mm_loadu_si128((const __m128i *)(s + 6 * p))); |
| const __m256i s7 = |
| _mm256_cvtepu8_epi16(_mm_loadu_si128((const __m128i *)(s + 7 * p))); |
| const __m256i sum1 = |
| _mm256_add_epi16(_mm256_add_epi16(s4, s5), _mm256_add_epi16(s6, s7)); |
| |
| // The result of two 8x8 sub-blocks in 16x16 block. |
| return _mm256_add_epi16(sum0, sum1); |
| } |
| |
| void aom_avg_8x8_quad_avx2(const uint8_t *s, int p, int x16_idx, int y16_idx, |
| int *avg) { |
| // Process 1st and 2nd 8x8 sub-blocks in a 16x16 block. |
| const uint8_t *s_tmp = s + y16_idx * p + x16_idx; |
| __m256i result_0 = calc_avg_8x8_dual_avx2(s_tmp, p); |
| |
| // Process 3rd and 4th 8x8 sub-blocks in a 16x16 block. |
| s_tmp = s + ((y16_idx + 8) * p) + x16_idx; |
| __m256i result_1 = calc_avg_8x8_dual_avx2(s_tmp, p); |
| |
| const __m256i constant_32 = _mm256_set1_epi16(32); |
| result_0 = _mm256_hadd_epi16(result_0, result_1); |
| result_1 = _mm256_adds_epu16(result_0, _mm256_srli_si256(result_0, 4)); |
| result_0 = _mm256_adds_epu16(result_1, _mm256_srli_si256(result_1, 2)); |
| result_0 = _mm256_adds_epu16(result_0, constant_32); |
| result_0 = _mm256_srli_epi16(result_0, 6); |
| avg[0] = _mm_extract_epi16(_mm256_castsi256_si128(result_0), 0); |
| avg[1] = _mm_extract_epi16(_mm256_extracti128_si256(result_0, 1), 0); |
| avg[2] = _mm_extract_epi16(_mm256_castsi256_si128(result_0), 4); |
| avg[3] = _mm_extract_epi16(_mm256_extracti128_si256(result_0, 1), 4); |
| } |
| |
| void aom_int_pro_row_avx2(int16_t *hbuf, const uint8_t *ref, |
| const int ref_stride, const int width, |
| const int height, int norm_factor) { |
| // SIMD implementation assumes width and height to be multiple of 16 and 2 |
| // respectively. For any odd width or height, SIMD support needs to be added. |
| assert(width % 16 == 0 && height % 2 == 0); |
| |
| if (width % 32 == 0) { |
| const __m256i zero = _mm256_setzero_si256(); |
| for (int wd = 0; wd < width; wd += 32) { |
| const uint8_t *ref_tmp = ref + wd; |
| int16_t *hbuf_tmp = hbuf + wd; |
| __m256i s0 = zero; |
| __m256i s1 = zero; |
| int idx = 0; |
| do { |
| __m256i src_line = _mm256_loadu_si256((const __m256i *)ref_tmp); |
| __m256i t0 = _mm256_unpacklo_epi8(src_line, zero); |
| __m256i t1 = _mm256_unpackhi_epi8(src_line, zero); |
| s0 = _mm256_adds_epu16(s0, t0); |
| s1 = _mm256_adds_epu16(s1, t1); |
| ref_tmp += ref_stride; |
| |
| src_line = _mm256_loadu_si256((const __m256i *)ref_tmp); |
| t0 = _mm256_unpacklo_epi8(src_line, zero); |
| t1 = _mm256_unpackhi_epi8(src_line, zero); |
| s0 = _mm256_adds_epu16(s0, t0); |
| s1 = _mm256_adds_epu16(s1, t1); |
| ref_tmp += ref_stride; |
| idx += 2; |
| } while (idx < height); |
| s0 = _mm256_srai_epi16(s0, norm_factor); |
| s1 = _mm256_srai_epi16(s1, norm_factor); |
| _mm_storeu_si128((__m128i *)(hbuf_tmp), _mm256_castsi256_si128(s0)); |
| _mm_storeu_si128((__m128i *)(hbuf_tmp + 8), _mm256_castsi256_si128(s1)); |
| _mm_storeu_si128((__m128i *)(hbuf_tmp + 16), |
| _mm256_extractf128_si256(s0, 1)); |
| _mm_storeu_si128((__m128i *)(hbuf_tmp + 24), |
| _mm256_extractf128_si256(s1, 1)); |
| } |
| } else if (width % 16 == 0) { |
| aom_int_pro_row_sse2(hbuf, ref, ref_stride, width, height, norm_factor); |
| } |
| } |
| |
| void aom_int_pro_col_avx2(int16_t *vbuf, const uint8_t *ref, |
| const int ref_stride, const int width, |
| const int height, int norm_factor) { |
| // SIMD implementation assumes width to be multiple of 16. For any odd width, |
| // SIMD support needs to be added. |
| assert(width % 16 == 0); |
| |
| if (width == 128) { |
| const __m256i zero = _mm256_setzero_si256(); |
| for (int ht = 0; ht < height; ++ht) { |
| const __m256i src_line0 = _mm256_loadu_si256((const __m256i *)ref); |
| const __m256i src_line1 = _mm256_loadu_si256((const __m256i *)(ref + 32)); |
| const __m256i src_line2 = _mm256_loadu_si256((const __m256i *)(ref + 64)); |
| const __m256i src_line3 = _mm256_loadu_si256((const __m256i *)(ref + 96)); |
| const __m256i s0 = _mm256_sad_epu8(src_line0, zero); |
| const __m256i s1 = _mm256_sad_epu8(src_line1, zero); |
| const __m256i s2 = _mm256_sad_epu8(src_line2, zero); |
| const __m256i s3 = _mm256_sad_epu8(src_line3, zero); |
| const __m256i result0_256bit = _mm256_adds_epu16(s0, s1); |
| const __m256i result1_256bit = _mm256_adds_epu16(s2, s3); |
| const __m256i result_256bit = |
| _mm256_adds_epu16(result0_256bit, result1_256bit); |
| |
| const __m128i result = |
| _mm_adds_epu16(_mm256_castsi256_si128(result_256bit), |
| _mm256_extractf128_si256(result_256bit, 1)); |
| __m128i result1 = _mm_adds_epu16(result, _mm_srli_si128(result, 8)); |
| vbuf[ht] = _mm_extract_epi16(result1, 0) >> norm_factor; |
| ref += ref_stride; |
| } |
| } else if (width == 64) { |
| const __m256i zero = _mm256_setzero_si256(); |
| for (int ht = 0; ht < height; ++ht) { |
| const __m256i src_line0 = _mm256_loadu_si256((const __m256i *)ref); |
| const __m256i src_line1 = _mm256_loadu_si256((const __m256i *)(ref + 32)); |
| const __m256i s1 = _mm256_sad_epu8(src_line0, zero); |
| const __m256i s2 = _mm256_sad_epu8(src_line1, zero); |
| const __m256i result_256bit = _mm256_adds_epu16(s1, s2); |
| |
| const __m128i result = |
| _mm_adds_epu16(_mm256_castsi256_si128(result_256bit), |
| _mm256_extractf128_si256(result_256bit, 1)); |
| __m128i result1 = _mm_adds_epu16(result, _mm_srli_si128(result, 8)); |
| vbuf[ht] = _mm_extract_epi16(result1, 0) >> norm_factor; |
| ref += ref_stride; |
| } |
| } else if (width == 32) { |
| assert(height % 2 == 0); |
| const __m256i zero = _mm256_setzero_si256(); |
| for (int ht = 0; ht < height; ht += 2) { |
| const __m256i src_line0 = _mm256_loadu_si256((const __m256i *)ref); |
| const __m256i src_line1 = |
| _mm256_loadu_si256((const __m256i *)(ref + ref_stride)); |
| const __m256i s0 = _mm256_sad_epu8(src_line0, zero); |
| const __m256i s1 = _mm256_sad_epu8(src_line1, zero); |
| |
| __m128i result0 = _mm_adds_epu16(_mm256_castsi256_si128(s0), |
| _mm256_extractf128_si256(s0, 1)); |
| __m128i result1 = _mm_adds_epu16(_mm256_castsi256_si128(s1), |
| _mm256_extractf128_si256(s1, 1)); |
| __m128i result2 = _mm_adds_epu16(result0, _mm_srli_si128(result0, 8)); |
| __m128i result3 = _mm_adds_epu16(result1, _mm_srli_si128(result1, 8)); |
| |
| vbuf[ht] = _mm_extract_epi16(result2, 0) >> norm_factor; |
| vbuf[ht + 1] = _mm_extract_epi16(result3, 0) >> norm_factor; |
| ref += (2 * ref_stride); |
| } |
| } else if (width == 16) { |
| aom_int_pro_col_sse2(vbuf, ref, ref_stride, width, height, norm_factor); |
| } |
| } |
