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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/av1/encoder/x86/highbd_fwd_txfm_avx2.c | 3132 |
1 files changed, 3132 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/x86/highbd_fwd_txfm_avx2.c b/third_party/aom/av1/encoder/x86/highbd_fwd_txfm_avx2.c new file mode 100644 index 0000000000..9cdf21fc7c --- /dev/null +++ b/third_party/aom/av1/encoder/x86/highbd_fwd_txfm_avx2.c @@ -0,0 +1,3132 @@ +/* + * Copyright (c) 2018, 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 <assert.h> +#include <immintrin.h> /*AVX2*/ + +#include "config/aom_config.h" +#include "config/av1_rtcd.h" +#include "av1/common/av1_txfm.h" +#include "av1/encoder/av1_fwd_txfm1d_cfg.h" +#include "aom_dsp/txfm_common.h" +#include "aom_ports/mem.h" +#include "aom_dsp/x86/txfm_common_sse2.h" +#include "aom_dsp/x86/txfm_common_avx2.h" + +static INLINE void load_buffer_8x8_avx2(const int16_t *input, __m256i *out, + int stride, int flipud, int fliplr, + int shift) { + __m128i out1[8]; + if (!flipud) { + out1[0] = _mm_load_si128((const __m128i *)(input + 0 * stride)); + out1[1] = _mm_load_si128((const __m128i *)(input + 1 * stride)); + out1[2] = _mm_load_si128((const __m128i *)(input + 2 * stride)); + out1[3] = _mm_load_si128((const __m128i *)(input + 3 * stride)); + out1[4] = _mm_load_si128((const __m128i *)(input + 4 * stride)); + out1[5] = _mm_load_si128((const __m128i *)(input + 5 * stride)); + out1[6] = _mm_load_si128((const __m128i *)(input + 6 * stride)); + out1[7] = _mm_load_si128((const __m128i *)(input + 7 * stride)); + + } else { + out1[7] = _mm_load_si128((const __m128i *)(input + 0 * stride)); + out1[6] = _mm_load_si128((const __m128i *)(input + 1 * stride)); + out1[5] = _mm_load_si128((const __m128i *)(input + 2 * stride)); + out1[4] = _mm_load_si128((const __m128i *)(input + 3 * stride)); + out1[3] = _mm_load_si128((const __m128i *)(input + 4 * stride)); + out1[2] = _mm_load_si128((const __m128i *)(input + 5 * stride)); + out1[1] = _mm_load_si128((const __m128i *)(input + 6 * stride)); + out1[0] = _mm_load_si128((const __m128i *)(input + 7 * stride)); + } + if (!fliplr) { + out[0] = _mm256_cvtepi16_epi32(out1[0]); + out[1] = _mm256_cvtepi16_epi32(out1[1]); + out[2] = _mm256_cvtepi16_epi32(out1[2]); + out[3] = _mm256_cvtepi16_epi32(out1[3]); + out[4] = _mm256_cvtepi16_epi32(out1[4]); + out[5] = _mm256_cvtepi16_epi32(out1[5]); + out[6] = _mm256_cvtepi16_epi32(out1[6]); + out[7] = _mm256_cvtepi16_epi32(out1[7]); + + } else { + out[0] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[0])); + out[1] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[1])); + out[2] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[2])); + out[3] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[3])); + out[4] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[4])); + out[5] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[5])); + out[6] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[6])); + out[7] = _mm256_cvtepi16_epi32(mm_reverse_epi16(out1[7])); + } + out[0] = _mm256_slli_epi32(out[0], shift); + out[1] = _mm256_slli_epi32(out[1], shift); + out[2] = _mm256_slli_epi32(out[2], shift); + out[3] = _mm256_slli_epi32(out[3], shift); + out[4] = _mm256_slli_epi32(out[4], shift); + out[5] = _mm256_slli_epi32(out[5], shift); + out[6] = _mm256_slli_epi32(out[6], shift); + out[7] = _mm256_slli_epi32(out[7], shift); +} +static INLINE void col_txfm_8x8_rounding(__m256i *in, int shift) { + const __m256i rounding = _mm256_set1_epi32(1 << (shift - 1)); + + in[0] = _mm256_add_epi32(in[0], rounding); + in[1] = _mm256_add_epi32(in[1], rounding); + in[2] = _mm256_add_epi32(in[2], rounding); + in[3] = _mm256_add_epi32(in[3], rounding); + in[4] = _mm256_add_epi32(in[4], rounding); + in[5] = _mm256_add_epi32(in[5], rounding); + in[6] = _mm256_add_epi32(in[6], rounding); + in[7] = _mm256_add_epi32(in[7], rounding); + + in[0] = _mm256_srai_epi32(in[0], shift); + in[1] = _mm256_srai_epi32(in[1], shift); + in[2] = _mm256_srai_epi32(in[2], shift); + in[3] = _mm256_srai_epi32(in[3], shift); + in[4] = _mm256_srai_epi32(in[4], shift); + in[5] = _mm256_srai_epi32(in[5], shift); + in[6] = _mm256_srai_epi32(in[6], shift); + in[7] = _mm256_srai_epi32(in[7], shift); +} +static INLINE void load_buffer_8x16_avx2(const int16_t *input, __m256i *out, + int stride, int flipud, int fliplr, + int shift) { + const int16_t *topL = input; + const int16_t *botL = input + 8 * stride; + + const int16_t *tmp; + + if (flipud) { + tmp = topL; + topL = botL; + botL = tmp; + } + load_buffer_8x8_avx2(topL, out, stride, flipud, fliplr, shift); + load_buffer_8x8_avx2(botL, out + 8, stride, flipud, fliplr, shift); +} +static INLINE void load_buffer_16xn_avx2(const int16_t *input, __m256i *out, + int stride, int height, int outstride, + int flipud, int fliplr) { + __m256i out1[64]; + if (!flipud) { + for (int i = 0; i < height; i++) { + out1[i] = _mm256_loadu_si256((const __m256i *)(input + i * stride)); + } + } else { + for (int i = 0; i < height; i++) { + out1[(height - 1) - i] = + _mm256_loadu_si256((const __m256i *)(input + i * stride)); + } + } + if (!fliplr) { + for (int i = 0; i < height; i++) { + out[i * outstride] = + _mm256_cvtepi16_epi32(_mm256_castsi256_si128(out1[i])); + out[i * outstride + 1] = + _mm256_cvtepi16_epi32(_mm256_extractf128_si256(out1[i], 1)); + } + } else { + for (int i = 0; i < height; i++) { + out[i * outstride + 1] = _mm256_cvtepi16_epi32( + mm_reverse_epi16(_mm256_castsi256_si128(out1[i]))); + out[i * outstride + 0] = _mm256_cvtepi16_epi32( + mm_reverse_epi16(_mm256_extractf128_si256(out1[i], 1))); + } + } +} + +static void fwd_txfm_transpose_8x8_avx2(const __m256i *in, __m256i *out, + const int instride, + const int outstride) { + __m256i u0, u1, u2, u3, u4, u5, u6, u7; + __m256i x0, x1; + + u0 = _mm256_unpacklo_epi32(in[0 * instride], in[1 * instride]); + u1 = _mm256_unpackhi_epi32(in[0 * instride], in[1 * instride]); + + u2 = _mm256_unpacklo_epi32(in[2 * instride], in[3 * instride]); + u3 = _mm256_unpackhi_epi32(in[2 * instride], in[3 * instride]); + + u4 = _mm256_unpacklo_epi32(in[4 * instride], in[5 * instride]); + u5 = _mm256_unpackhi_epi32(in[4 * instride], in[5 * instride]); + + u6 = _mm256_unpacklo_epi32(in[6 * instride], in[7 * instride]); + u7 = _mm256_unpackhi_epi32(in[6 * instride], in[7 * instride]); + + x0 = _mm256_unpacklo_epi64(u0, u2); + x1 = _mm256_unpacklo_epi64(u4, u6); + out[0 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x20); + out[4 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x31); + + x0 = _mm256_unpackhi_epi64(u0, u2); + x1 = _mm256_unpackhi_epi64(u4, u6); + out[1 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x20); + out[5 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x31); + + x0 = _mm256_unpacklo_epi64(u1, u3); + x1 = _mm256_unpacklo_epi64(u5, u7); + out[2 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x20); + out[6 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x31); + + x0 = _mm256_unpackhi_epi64(u1, u3); + x1 = _mm256_unpackhi_epi64(u5, u7); + out[3 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x20); + out[7 * outstride] = _mm256_permute2f128_si256(x0, x1, 0x31); +} +static INLINE void round_shift_32_8xn_avx2(__m256i *in, int size, int bit, + int stride) { + if (bit < 0) { + bit = -bit; + __m256i round = _mm256_set1_epi32(1 << (bit - 1)); + for (int i = 0; i < size; ++i) { + in[stride * i] = _mm256_add_epi32(in[stride * i], round); + in[stride * i] = _mm256_srai_epi32(in[stride * i], bit); + } + } else if (bit > 0) { + for (int i = 0; i < size; ++i) { + in[stride * i] = _mm256_slli_epi32(in[stride * i], bit); + } + } +} +static INLINE void store_buffer_avx2(const __m256i *const in, int32_t *out, + const int stride, const int out_size) { + for (int i = 0; i < out_size; ++i) { + _mm256_store_si256((__m256i *)(out), in[i]); + out += stride; + } +} +static INLINE void fwd_txfm_transpose_16x16_avx2(const __m256i *in, + __m256i *out) { + fwd_txfm_transpose_8x8_avx2(&in[0], &out[0], 2, 2); + fwd_txfm_transpose_8x8_avx2(&in[1], &out[16], 2, 2); + fwd_txfm_transpose_8x8_avx2(&in[16], &out[1], 2, 2); + fwd_txfm_transpose_8x8_avx2(&in[17], &out[17], 2, 2); +} + +static INLINE __m256i av1_half_btf_avx2(const __m256i *w0, const __m256i *n0, + const __m256i *w1, const __m256i *n1, + const __m256i *rounding, int bit) { + __m256i x, y; + + x = _mm256_mullo_epi32(*w0, *n0); + y = _mm256_mullo_epi32(*w1, *n1); + x = _mm256_add_epi32(x, y); + x = _mm256_add_epi32(x, *rounding); + x = _mm256_srai_epi32(x, bit); + return x; +} +#define btf_32_avx2_type0(w0, w1, in0, in1, out0, out1, bit) \ + do { \ + const __m256i ww0 = _mm256_set1_epi32(w0); \ + const __m256i ww1 = _mm256_set1_epi32(w1); \ + const __m256i in0_w0 = _mm256_mullo_epi32(in0, ww0); \ + const __m256i in1_w1 = _mm256_mullo_epi32(in1, ww1); \ + out0 = _mm256_add_epi32(in0_w0, in1_w1); \ + round_shift_32_8xn_avx2(&out0, 1, -bit, 1); \ + const __m256i in0_w1 = _mm256_mullo_epi32(in0, ww1); \ + const __m256i in1_w0 = _mm256_mullo_epi32(in1, ww0); \ + out1 = _mm256_sub_epi32(in0_w1, in1_w0); \ + round_shift_32_8xn_avx2(&out1, 1, -bit, 1); \ + } while (0) + +#define btf_32_type0_avx2_new(ww0, ww1, in0, in1, out0, out1, r, bit) \ + do { \ + const __m256i in0_w0 = _mm256_mullo_epi32(in0, ww0); \ + const __m256i in1_w1 = _mm256_mullo_epi32(in1, ww1); \ + out0 = _mm256_add_epi32(in0_w0, in1_w1); \ + out0 = _mm256_add_epi32(out0, r); \ + out0 = _mm256_srai_epi32(out0, bit); \ + const __m256i in0_w1 = _mm256_mullo_epi32(in0, ww1); \ + const __m256i in1_w0 = _mm256_mullo_epi32(in1, ww0); \ + out1 = _mm256_sub_epi32(in0_w1, in1_w0); \ + out1 = _mm256_add_epi32(out1, r); \ + out1 = _mm256_srai_epi32(out1, bit); \ + } while (0) + +typedef void (*transform_1d_avx2)(__m256i *in, __m256i *out, + const int8_t cos_bit, int instride, + int outstride); +static void fdct8_avx2(__m256i *in, __m256i *out, const int8_t bit, + const int col_num, const int outstride) { + const int32_t *cospi = cospi_arr(bit); + const __m256i cospi32 = _mm256_set1_epi32(cospi[32]); + const __m256i cospim32 = _mm256_set1_epi32(-cospi[32]); + const __m256i cospi48 = _mm256_set1_epi32(cospi[48]); + const __m256i cospi16 = _mm256_set1_epi32(cospi[16]); + const __m256i cospi56 = _mm256_set1_epi32(cospi[56]); + const __m256i cospi8 = _mm256_set1_epi32(cospi[8]); + const __m256i cospi24 = _mm256_set1_epi32(cospi[24]); + const __m256i cospi40 = _mm256_set1_epi32(cospi[40]); + const __m256i rnding = _mm256_set1_epi32(1 << (bit - 1)); + __m256i u[8], v[8]; + for (int col = 0; col < col_num; ++col) { + u[0] = _mm256_add_epi32(in[0 * col_num + col], in[7 * col_num + col]); + v[7] = _mm256_sub_epi32(in[0 * col_num + col], in[7 * col_num + col]); + u[1] = _mm256_add_epi32(in[1 * col_num + col], in[6 * col_num + col]); + u[6] = _mm256_sub_epi32(in[1 * col_num + col], in[6 * col_num + col]); + u[2] = _mm256_add_epi32(in[2 * col_num + col], in[5 * col_num + col]); + u[5] = _mm256_sub_epi32(in[2 * col_num + col], in[5 * col_num + col]); + u[3] = _mm256_add_epi32(in[3 * col_num + col], in[4 * col_num + col]); + v[4] = _mm256_sub_epi32(in[3 * col_num + col], in[4 * col_num + col]); + v[0] = _mm256_add_epi32(u[0], u[3]); + v[3] = _mm256_sub_epi32(u[0], u[3]); + v[1] = _mm256_add_epi32(u[1], u[2]); + v[2] = _mm256_sub_epi32(u[1], u[2]); + + v[5] = _mm256_mullo_epi32(u[5], cospim32); + v[6] = _mm256_mullo_epi32(u[6], cospi32); + v[5] = _mm256_add_epi32(v[5], v[6]); + v[5] = _mm256_add_epi32(v[5], rnding); + v[5] = _mm256_srai_epi32(v[5], bit); + + u[0] = _mm256_mullo_epi32(u[5], cospi32); + v[6] = _mm256_mullo_epi32(u[6], cospim32); + v[6] = _mm256_sub_epi32(u[0], v[6]); + v[6] = _mm256_add_epi32(v[6], rnding); + v[6] = _mm256_srai_epi32(v[6], bit); + + // stage 3 + // type 0 + v[0] = _mm256_mullo_epi32(v[0], cospi32); + v[1] = _mm256_mullo_epi32(v[1], cospi32); + u[0] = _mm256_add_epi32(v[0], v[1]); + u[0] = _mm256_add_epi32(u[0], rnding); + u[0] = _mm256_srai_epi32(u[0], bit); + + u[1] = _mm256_sub_epi32(v[0], v[1]); + u[1] = _mm256_add_epi32(u[1], rnding); + u[1] = _mm256_srai_epi32(u[1], bit); + + // type 1 + v[0] = _mm256_mullo_epi32(v[2], cospi48); + v[1] = _mm256_mullo_epi32(v[3], cospi16); + u[2] = _mm256_add_epi32(v[0], v[1]); + u[2] = _mm256_add_epi32(u[2], rnding); + u[2] = _mm256_srai_epi32(u[2], bit); + + v[0] = _mm256_mullo_epi32(v[2], cospi16); + v[1] = _mm256_mullo_epi32(v[3], cospi48); + u[3] = _mm256_sub_epi32(v[1], v[0]); + u[3] = _mm256_add_epi32(u[3], rnding); + u[3] = _mm256_srai_epi32(u[3], bit); + + u[4] = _mm256_add_epi32(v[4], v[5]); + u[5] = _mm256_sub_epi32(v[4], v[5]); + u[6] = _mm256_sub_epi32(v[7], v[6]); + u[7] = _mm256_add_epi32(v[7], v[6]); + + // stage 4 + // stage 5 + v[0] = _mm256_mullo_epi32(u[4], cospi56); + v[1] = _mm256_mullo_epi32(u[7], cospi8); + v[0] = _mm256_add_epi32(v[0], v[1]); + v[0] = _mm256_add_epi32(v[0], rnding); + out[1 * outstride + col] = _mm256_srai_epi32(v[0], bit); // buf0[4] + + v[0] = _mm256_mullo_epi32(u[4], cospi8); + v[1] = _mm256_mullo_epi32(u[7], cospi56); + v[0] = _mm256_sub_epi32(v[1], v[0]); + v[0] = _mm256_add_epi32(v[0], rnding); + out[7 * outstride + col] = _mm256_srai_epi32(v[0], bit); // buf0[7] + + v[0] = _mm256_mullo_epi32(u[5], cospi24); + v[1] = _mm256_mullo_epi32(u[6], cospi40); + v[0] = _mm256_add_epi32(v[0], v[1]); + v[0] = _mm256_add_epi32(v[0], rnding); + out[5 * outstride + col] = _mm256_srai_epi32(v[0], bit); // buf0[5] + + v[0] = _mm256_mullo_epi32(u[5], cospi40); + v[1] = _mm256_mullo_epi32(u[6], cospi24); + v[0] = _mm256_sub_epi32(v[1], v[0]); + v[0] = _mm256_add_epi32(v[0], rnding); + out[3 * outstride + col] = _mm256_srai_epi32(v[0], bit); // buf0[6] + + out[0 * outstride + col] = u[0]; // buf0[0] + out[4 * outstride + col] = u[1]; // buf0[1] + out[2 * outstride + col] = u[2]; // buf0[2] + out[6 * outstride + col] = u[3]; // buf0[3] + } +} +static void fadst8_avx2(__m256i *in, __m256i *out, const int8_t bit, + const int col_num, const int outstirde) { + (void)col_num; + const int32_t *cospi = cospi_arr(bit); + const __m256i cospi32 = _mm256_set1_epi32(cospi[32]); + const __m256i cospi16 = _mm256_set1_epi32(cospi[16]); + const __m256i cospim16 = _mm256_set1_epi32(-cospi[16]); + const __m256i cospi48 = _mm256_set1_epi32(cospi[48]); + const __m256i cospim48 = _mm256_set1_epi32(-cospi[48]); + const __m256i cospi4 = _mm256_set1_epi32(cospi[4]); + const __m256i cospim4 = _mm256_set1_epi32(-cospi[4]); + const __m256i cospi60 = _mm256_set1_epi32(cospi[60]); + const __m256i cospi20 = _mm256_set1_epi32(cospi[20]); + const __m256i cospim20 = _mm256_set1_epi32(-cospi[20]); + const __m256i cospi44 = _mm256_set1_epi32(cospi[44]); + const __m256i cospi28 = _mm256_set1_epi32(cospi[28]); + const __m256i cospi36 = _mm256_set1_epi32(cospi[36]); + const __m256i cospim36 = _mm256_set1_epi32(-cospi[36]); + const __m256i cospi52 = _mm256_set1_epi32(cospi[52]); + const __m256i cospim52 = _mm256_set1_epi32(-cospi[52]); + const __m256i cospi12 = _mm256_set1_epi32(cospi[12]); + const __m256i rnding = _mm256_set1_epi32(1 << (bit - 1)); + const __m256i zero = _mm256_setzero_si256(); + __m256i u0, u1, u2, u3, u4, u5, u6, u7; + __m256i v0, v1, v2, v3, v4, v5, v6, v7; + __m256i x, y; + for (int col = 0; col < col_num; ++col) { + u0 = in[0 * col_num + col]; + u1 = _mm256_sub_epi32(zero, in[7 * col_num + col]); + u2 = _mm256_sub_epi32(zero, in[3 * col_num + col]); + u3 = in[4 * col_num + col]; + u4 = _mm256_sub_epi32(zero, in[1 * col_num + col]); + u5 = in[6 * col_num + col]; + u6 = in[2 * col_num + col]; + u7 = _mm256_sub_epi32(zero, in[5 * col_num + col]); + + // stage 2 + v0 = u0; + v1 = u1; + + x = _mm256_mullo_epi32(u2, cospi32); + y = _mm256_mullo_epi32(u3, cospi32); + v2 = _mm256_add_epi32(x, y); + v2 = _mm256_add_epi32(v2, rnding); + v2 = _mm256_srai_epi32(v2, bit); + + v3 = _mm256_sub_epi32(x, y); + v3 = _mm256_add_epi32(v3, rnding); + v3 = _mm256_srai_epi32(v3, bit); + + v4 = u4; + v5 = u5; + + x = _mm256_mullo_epi32(u6, cospi32); + y = _mm256_mullo_epi32(u7, cospi32); + v6 = _mm256_add_epi32(x, y); + v6 = _mm256_add_epi32(v6, rnding); + v6 = _mm256_srai_epi32(v6, bit); + + v7 = _mm256_sub_epi32(x, y); + v7 = _mm256_add_epi32(v7, rnding); + v7 = _mm256_srai_epi32(v7, bit); + + // stage 3 + u0 = _mm256_add_epi32(v0, v2); + u1 = _mm256_add_epi32(v1, v3); + u2 = _mm256_sub_epi32(v0, v2); + u3 = _mm256_sub_epi32(v1, v3); + u4 = _mm256_add_epi32(v4, v6); + u5 = _mm256_add_epi32(v5, v7); + u6 = _mm256_sub_epi32(v4, v6); + u7 = _mm256_sub_epi32(v5, v7); + + // stage 4 + v0 = u0; + v1 = u1; + v2 = u2; + v3 = u3; + + x = _mm256_mullo_epi32(u4, cospi16); + y = _mm256_mullo_epi32(u5, cospi48); + v4 = _mm256_add_epi32(x, y); + v4 = _mm256_add_epi32(v4, rnding); + v4 = _mm256_srai_epi32(v4, bit); + + x = _mm256_mullo_epi32(u4, cospi48); + y = _mm256_mullo_epi32(u5, cospim16); + v5 = _mm256_add_epi32(x, y); + v5 = _mm256_add_epi32(v5, rnding); + v5 = _mm256_srai_epi32(v5, bit); + + x = _mm256_mullo_epi32(u6, cospim48); + y = _mm256_mullo_epi32(u7, cospi16); + v6 = _mm256_add_epi32(x, y); + v6 = _mm256_add_epi32(v6, rnding); + v6 = _mm256_srai_epi32(v6, bit); + + x = _mm256_mullo_epi32(u6, cospi16); + y = _mm256_mullo_epi32(u7, cospi48); + v7 = _mm256_add_epi32(x, y); + v7 = _mm256_add_epi32(v7, rnding); + v7 = _mm256_srai_epi32(v7, bit); + + // stage 5 + u0 = _mm256_add_epi32(v0, v4); + u1 = _mm256_add_epi32(v1, v5); + u2 = _mm256_add_epi32(v2, v6); + u3 = _mm256_add_epi32(v3, v7); + u4 = _mm256_sub_epi32(v0, v4); + u5 = _mm256_sub_epi32(v1, v5); + u6 = _mm256_sub_epi32(v2, v6); + u7 = _mm256_sub_epi32(v3, v7); + + // stage 6 + x = _mm256_mullo_epi32(u0, cospi4); + y = _mm256_mullo_epi32(u1, cospi60); + v0 = _mm256_add_epi32(x, y); + v0 = _mm256_add_epi32(v0, rnding); + v0 = _mm256_srai_epi32(v0, bit); + + x = _mm256_mullo_epi32(u0, cospi60); + y = _mm256_mullo_epi32(u1, cospim4); + v1 = _mm256_add_epi32(x, y); + v1 = _mm256_add_epi32(v1, rnding); + v1 = _mm256_srai_epi32(v1, bit); + + x = _mm256_mullo_epi32(u2, cospi20); + y = _mm256_mullo_epi32(u3, cospi44); + v2 = _mm256_add_epi32(x, y); + v2 = _mm256_add_epi32(v2, rnding); + v2 = _mm256_srai_epi32(v2, bit); + + x = _mm256_mullo_epi32(u2, cospi44); + y = _mm256_mullo_epi32(u3, cospim20); + v3 = _mm256_add_epi32(x, y); + v3 = _mm256_add_epi32(v3, rnding); + v3 = _mm256_srai_epi32(v3, bit); + + x = _mm256_mullo_epi32(u4, cospi36); + y = _mm256_mullo_epi32(u5, cospi28); + v4 = _mm256_add_epi32(x, y); + v4 = _mm256_add_epi32(v4, rnding); + v4 = _mm256_srai_epi32(v4, bit); + + x = _mm256_mullo_epi32(u4, cospi28); + y = _mm256_mullo_epi32(u5, cospim36); + v5 = _mm256_add_epi32(x, y); + v5 = _mm256_add_epi32(v5, rnding); + v5 = _mm256_srai_epi32(v5, bit); + + x = _mm256_mullo_epi32(u6, cospi52); + y = _mm256_mullo_epi32(u7, cospi12); + v6 = _mm256_add_epi32(x, y); + v6 = _mm256_add_epi32(v6, rnding); + v6 = _mm256_srai_epi32(v6, bit); + + x = _mm256_mullo_epi32(u6, cospi12); + y = _mm256_mullo_epi32(u7, cospim52); + v7 = _mm256_add_epi32(x, y); + v7 = _mm256_add_epi32(v7, rnding); + v7 = _mm256_srai_epi32(v7, bit); + + // stage 7 + out[0 * outstirde + col] = v1; + out[1 * outstirde + col] = v6; + out[2 * outstirde + col] = v3; + out[3 * outstirde + col] = v4; + out[4 * outstirde + col] = v5; + out[5 * outstirde + col] = v2; + out[6 * outstirde + col] = v7; + out[7 * outstirde + col] = v0; + } +} +static void idtx8_avx2(__m256i *in, __m256i *out, const int8_t bit, int col_num, + int outstride) { + (void)bit; + (void)outstride; + int num_iters = 8 * col_num; + for (int i = 0; i < num_iters; i += 8) { + out[i] = _mm256_add_epi32(in[i], in[i]); + out[i + 1] = _mm256_add_epi32(in[i + 1], in[i + 1]); + out[i + 2] = _mm256_add_epi32(in[i + 2], in[i + 2]); + out[i + 3] = _mm256_add_epi32(in[i + 3], in[i + 3]); + out[i + 4] = _mm256_add_epi32(in[i + 4], in[i + 4]); + out[i + 5] = _mm256_add_epi32(in[i + 5], in[i + 5]); + out[i + 6] = _mm256_add_epi32(in[i + 6], in[i + 6]); + out[i + 7] = _mm256_add_epi32(in[i + 7], in[i + 7]); + } +} +void av1_fwd_txfm2d_8x8_avx2(const int16_t *input, int32_t *coeff, int stride, + TX_TYPE tx_type, int bd) { + __m256i in[8], out[8]; + const TX_SIZE tx_size = TX_8X8; + const int8_t *shift = av1_fwd_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int width = tx_size_wide[tx_size]; + const int width_div8 = (width >> 3); + + switch (tx_type) { + case DCT_DCT: + load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]); + fdct8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + fdct8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case ADST_DCT: + load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]); + fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + fdct8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case DCT_ADST: + load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]); + fdct8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + fadst8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case ADST_ADST: + load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]); + fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + fadst8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case FLIPADST_DCT: + load_buffer_8x8_avx2(input, in, stride, 1, 0, shift[0]); + fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + fdct8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case DCT_FLIPADST: + load_buffer_8x8_avx2(input, in, stride, 0, 1, shift[0]); + fdct8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + fadst8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case FLIPADST_FLIPADST: + load_buffer_8x8_avx2(input, in, stride, 1, 1, shift[0]); + fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + fadst8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case ADST_FLIPADST: + load_buffer_8x8_avx2(input, in, stride, 0, 1, shift[0]); + fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + fadst8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case FLIPADST_ADST: + load_buffer_8x8_avx2(input, in, stride, 1, 0, shift[0]); + fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + fadst8_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case IDTX: + load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]); + idtx8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + idtx8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case V_DCT: + load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]); + fdct8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + idtx8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case H_DCT: + load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]); + idtx8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + fdct8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case V_ADST: + load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]); + fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + idtx8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case H_ADST: + load_buffer_8x8_avx2(input, in, stride, 0, 0, shift[0]); + idtx8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case V_FLIPADST: + load_buffer_8x8_avx2(input, in, stride, 1, 0, shift[0]); + fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + idtx8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + case H_FLIPADST: + load_buffer_8x8_avx2(input, in, stride, 0, 1, shift[0]); + idtx8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + col_txfm_8x8_rounding(out, -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, width_div8, width_div8); + fadst8_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 8); + break; + default: assert(0); + } + (void)bd; +} + +static void fdct16_avx2(__m256i *in, __m256i *out, const int8_t bit, + const int col_num, const int outstride) { + const int32_t *cospi = cospi_arr(bit); + const __m256i cospi32 = _mm256_set1_epi32(cospi[32]); + const __m256i cospim32 = _mm256_set1_epi32(-cospi[32]); + const __m256i cospi48 = _mm256_set1_epi32(cospi[48]); + const __m256i cospi16 = _mm256_set1_epi32(cospi[16]); + const __m256i cospim48 = _mm256_set1_epi32(-cospi[48]); + const __m256i cospim16 = _mm256_set1_epi32(-cospi[16]); + const __m256i cospi56 = _mm256_set1_epi32(cospi[56]); + const __m256i cospi8 = _mm256_set1_epi32(cospi[8]); + const __m256i cospi24 = _mm256_set1_epi32(cospi[24]); + const __m256i cospi40 = _mm256_set1_epi32(cospi[40]); + const __m256i cospi60 = _mm256_set1_epi32(cospi[60]); + const __m256i cospi4 = _mm256_set1_epi32(cospi[4]); + const __m256i cospi28 = _mm256_set1_epi32(cospi[28]); + const __m256i cospi36 = _mm256_set1_epi32(cospi[36]); + const __m256i cospi44 = _mm256_set1_epi32(cospi[44]); + const __m256i cospi20 = _mm256_set1_epi32(cospi[20]); + const __m256i cospi12 = _mm256_set1_epi32(cospi[12]); + const __m256i cospi52 = _mm256_set1_epi32(cospi[52]); + const __m256i rnding = _mm256_set1_epi32(1 << (bit - 1)); + __m256i u[16], v[16], x; + int col; + + // Calculate the column 0, 1, 2, 3 + for (col = 0; col < col_num; ++col) { + // stage 0 + // stage 1 + u[0] = _mm256_add_epi32(in[0 * col_num + col], in[15 * col_num + col]); + u[15] = _mm256_sub_epi32(in[0 * col_num + col], in[15 * col_num + col]); + u[1] = _mm256_add_epi32(in[1 * col_num + col], in[14 * col_num + col]); + u[14] = _mm256_sub_epi32(in[1 * col_num + col], in[14 * col_num + col]); + u[2] = _mm256_add_epi32(in[2 * col_num + col], in[13 * col_num + col]); + u[13] = _mm256_sub_epi32(in[2 * col_num + col], in[13 * col_num + col]); + u[3] = _mm256_add_epi32(in[3 * col_num + col], in[12 * col_num + col]); + u[12] = _mm256_sub_epi32(in[3 * col_num + col], in[12 * col_num + col]); + u[4] = _mm256_add_epi32(in[4 * col_num + col], in[11 * col_num + col]); + u[11] = _mm256_sub_epi32(in[4 * col_num + col], in[11 * col_num + col]); + u[5] = _mm256_add_epi32(in[5 * col_num + col], in[10 * col_num + col]); + u[10] = _mm256_sub_epi32(in[5 * col_num + col], in[10 * col_num + col]); + u[6] = _mm256_add_epi32(in[6 * col_num + col], in[9 * col_num + col]); + u[9] = _mm256_sub_epi32(in[6 * col_num + col], in[9 * col_num + col]); + u[7] = _mm256_add_epi32(in[7 * col_num + col], in[8 * col_num + col]); + u[8] = _mm256_sub_epi32(in[7 * col_num + col], in[8 * col_num + col]); + + // stage 2 + v[0] = _mm256_add_epi32(u[0], u[7]); + v[7] = _mm256_sub_epi32(u[0], u[7]); + v[1] = _mm256_add_epi32(u[1], u[6]); + v[6] = _mm256_sub_epi32(u[1], u[6]); + v[2] = _mm256_add_epi32(u[2], u[5]); + v[5] = _mm256_sub_epi32(u[2], u[5]); + v[3] = _mm256_add_epi32(u[3], u[4]); + v[4] = _mm256_sub_epi32(u[3], u[4]); + v[8] = u[8]; + v[9] = u[9]; + + v[10] = _mm256_mullo_epi32(u[10], cospim32); + x = _mm256_mullo_epi32(u[13], cospi32); + v[10] = _mm256_add_epi32(v[10], x); + v[10] = _mm256_add_epi32(v[10], rnding); + v[10] = _mm256_srai_epi32(v[10], bit); + + v[13] = _mm256_mullo_epi32(u[10], cospi32); + x = _mm256_mullo_epi32(u[13], cospim32); + v[13] = _mm256_sub_epi32(v[13], x); + v[13] = _mm256_add_epi32(v[13], rnding); + v[13] = _mm256_srai_epi32(v[13], bit); + + v[11] = _mm256_mullo_epi32(u[11], cospim32); + x = _mm256_mullo_epi32(u[12], cospi32); + v[11] = _mm256_add_epi32(v[11], x); + v[11] = _mm256_add_epi32(v[11], rnding); + v[11] = _mm256_srai_epi32(v[11], bit); + + v[12] = _mm256_mullo_epi32(u[11], cospi32); + x = _mm256_mullo_epi32(u[12], cospim32); + v[12] = _mm256_sub_epi32(v[12], x); + v[12] = _mm256_add_epi32(v[12], rnding); + v[12] = _mm256_srai_epi32(v[12], bit); + v[14] = u[14]; + v[15] = u[15]; + + // stage 3 + u[0] = _mm256_add_epi32(v[0], v[3]); + u[3] = _mm256_sub_epi32(v[0], v[3]); + u[1] = _mm256_add_epi32(v[1], v[2]); + u[2] = _mm256_sub_epi32(v[1], v[2]); + u[4] = v[4]; + + u[5] = _mm256_mullo_epi32(v[5], cospim32); + x = _mm256_mullo_epi32(v[6], cospi32); + u[5] = _mm256_add_epi32(u[5], x); + u[5] = _mm256_add_epi32(u[5], rnding); + u[5] = _mm256_srai_epi32(u[5], bit); + + u[6] = _mm256_mullo_epi32(v[5], cospi32); + x = _mm256_mullo_epi32(v[6], cospim32); + u[6] = _mm256_sub_epi32(u[6], x); + u[6] = _mm256_add_epi32(u[6], rnding); + u[6] = _mm256_srai_epi32(u[6], bit); + + u[7] = v[7]; + u[8] = _mm256_add_epi32(v[8], v[11]); + u[11] = _mm256_sub_epi32(v[8], v[11]); + u[9] = _mm256_add_epi32(v[9], v[10]); + u[10] = _mm256_sub_epi32(v[9], v[10]); + u[12] = _mm256_sub_epi32(v[15], v[12]); + u[15] = _mm256_add_epi32(v[15], v[12]); + u[13] = _mm256_sub_epi32(v[14], v[13]); + u[14] = _mm256_add_epi32(v[14], v[13]); + + // stage 4 + u[0] = _mm256_mullo_epi32(u[0], cospi32); + u[1] = _mm256_mullo_epi32(u[1], cospi32); + v[0] = _mm256_add_epi32(u[0], u[1]); + v[0] = _mm256_add_epi32(v[0], rnding); + v[0] = _mm256_srai_epi32(v[0], bit); + + v[1] = _mm256_sub_epi32(u[0], u[1]); + v[1] = _mm256_add_epi32(v[1], rnding); + v[1] = _mm256_srai_epi32(v[1], bit); + + v[2] = _mm256_mullo_epi32(u[2], cospi48); + x = _mm256_mullo_epi32(u[3], cospi16); + v[2] = _mm256_add_epi32(v[2], x); + v[2] = _mm256_add_epi32(v[2], rnding); + v[2] = _mm256_srai_epi32(v[2], bit); + + v[3] = _mm256_mullo_epi32(u[2], cospi16); + x = _mm256_mullo_epi32(u[3], cospi48); + v[3] = _mm256_sub_epi32(x, v[3]); + v[3] = _mm256_add_epi32(v[3], rnding); + v[3] = _mm256_srai_epi32(v[3], bit); + + v[4] = _mm256_add_epi32(u[4], u[5]); + v[5] = _mm256_sub_epi32(u[4], u[5]); + v[6] = _mm256_sub_epi32(u[7], u[6]); + v[7] = _mm256_add_epi32(u[7], u[6]); + v[8] = u[8]; + + v[9] = _mm256_mullo_epi32(u[9], cospim16); + x = _mm256_mullo_epi32(u[14], cospi48); + v[9] = _mm256_add_epi32(v[9], x); + v[9] = _mm256_add_epi32(v[9], rnding); + v[9] = _mm256_srai_epi32(v[9], bit); + + v[14] = _mm256_mullo_epi32(u[9], cospi48); + x = _mm256_mullo_epi32(u[14], cospim16); + v[14] = _mm256_sub_epi32(v[14], x); + v[14] = _mm256_add_epi32(v[14], rnding); + v[14] = _mm256_srai_epi32(v[14], bit); + + v[10] = _mm256_mullo_epi32(u[10], cospim48); + x = _mm256_mullo_epi32(u[13], cospim16); + v[10] = _mm256_add_epi32(v[10], x); + v[10] = _mm256_add_epi32(v[10], rnding); + v[10] = _mm256_srai_epi32(v[10], bit); + + v[13] = _mm256_mullo_epi32(u[10], cospim16); + x = _mm256_mullo_epi32(u[13], cospim48); + v[13] = _mm256_sub_epi32(v[13], x); + v[13] = _mm256_add_epi32(v[13], rnding); + v[13] = _mm256_srai_epi32(v[13], bit); + + v[11] = u[11]; + v[12] = u[12]; + v[15] = u[15]; + + // stage 5 + u[0] = v[0]; + u[1] = v[1]; + u[2] = v[2]; + u[3] = v[3]; + + u[4] = _mm256_mullo_epi32(v[4], cospi56); + x = _mm256_mullo_epi32(v[7], cospi8); + u[4] = _mm256_add_epi32(u[4], x); + u[4] = _mm256_add_epi32(u[4], rnding); + u[4] = _mm256_srai_epi32(u[4], bit); + + u[7] = _mm256_mullo_epi32(v[4], cospi8); + x = _mm256_mullo_epi32(v[7], cospi56); + u[7] = _mm256_sub_epi32(x, u[7]); + u[7] = _mm256_add_epi32(u[7], rnding); + u[7] = _mm256_srai_epi32(u[7], bit); + + u[5] = _mm256_mullo_epi32(v[5], cospi24); + x = _mm256_mullo_epi32(v[6], cospi40); + u[5] = _mm256_add_epi32(u[5], x); + u[5] = _mm256_add_epi32(u[5], rnding); + u[5] = _mm256_srai_epi32(u[5], bit); + + u[6] = _mm256_mullo_epi32(v[5], cospi40); + x = _mm256_mullo_epi32(v[6], cospi24); + u[6] = _mm256_sub_epi32(x, u[6]); + u[6] = _mm256_add_epi32(u[6], rnding); + u[6] = _mm256_srai_epi32(u[6], bit); + + u[8] = _mm256_add_epi32(v[8], v[9]); + u[9] = _mm256_sub_epi32(v[8], v[9]); + u[10] = _mm256_sub_epi32(v[11], v[10]); + u[11] = _mm256_add_epi32(v[11], v[10]); + u[12] = _mm256_add_epi32(v[12], v[13]); + u[13] = _mm256_sub_epi32(v[12], v[13]); + u[14] = _mm256_sub_epi32(v[15], v[14]); + u[15] = _mm256_add_epi32(v[15], v[14]); + + // stage 6 + v[0] = u[0]; + v[1] = u[1]; + v[2] = u[2]; + v[3] = u[3]; + v[4] = u[4]; + v[5] = u[5]; + v[6] = u[6]; + v[7] = u[7]; + + v[8] = _mm256_mullo_epi32(u[8], cospi60); + x = _mm256_mullo_epi32(u[15], cospi4); + v[8] = _mm256_add_epi32(v[8], x); + v[8] = _mm256_add_epi32(v[8], rnding); + v[8] = _mm256_srai_epi32(v[8], bit); + + v[15] = _mm256_mullo_epi32(u[8], cospi4); + x = _mm256_mullo_epi32(u[15], cospi60); + v[15] = _mm256_sub_epi32(x, v[15]); + v[15] = _mm256_add_epi32(v[15], rnding); + v[15] = _mm256_srai_epi32(v[15], bit); + + v[9] = _mm256_mullo_epi32(u[9], cospi28); + x = _mm256_mullo_epi32(u[14], cospi36); + v[9] = _mm256_add_epi32(v[9], x); + v[9] = _mm256_add_epi32(v[9], rnding); + v[9] = _mm256_srai_epi32(v[9], bit); + + v[14] = _mm256_mullo_epi32(u[9], cospi36); + x = _mm256_mullo_epi32(u[14], cospi28); + v[14] = _mm256_sub_epi32(x, v[14]); + v[14] = _mm256_add_epi32(v[14], rnding); + v[14] = _mm256_srai_epi32(v[14], bit); + + v[10] = _mm256_mullo_epi32(u[10], cospi44); + x = _mm256_mullo_epi32(u[13], cospi20); + v[10] = _mm256_add_epi32(v[10], x); + v[10] = _mm256_add_epi32(v[10], rnding); + v[10] = _mm256_srai_epi32(v[10], bit); + + v[13] = _mm256_mullo_epi32(u[10], cospi20); + x = _mm256_mullo_epi32(u[13], cospi44); + v[13] = _mm256_sub_epi32(x, v[13]); + v[13] = _mm256_add_epi32(v[13], rnding); + v[13] = _mm256_srai_epi32(v[13], bit); + + v[11] = _mm256_mullo_epi32(u[11], cospi12); + x = _mm256_mullo_epi32(u[12], cospi52); + v[11] = _mm256_add_epi32(v[11], x); + v[11] = _mm256_add_epi32(v[11], rnding); + v[11] = _mm256_srai_epi32(v[11], bit); + + v[12] = _mm256_mullo_epi32(u[11], cospi52); + x = _mm256_mullo_epi32(u[12], cospi12); + v[12] = _mm256_sub_epi32(x, v[12]); + v[12] = _mm256_add_epi32(v[12], rnding); + v[12] = _mm256_srai_epi32(v[12], bit); + + out[0 * outstride + col] = v[0]; + out[1 * outstride + col] = v[8]; + out[2 * outstride + col] = v[4]; + out[3 * outstride + col] = v[12]; + out[4 * outstride + col] = v[2]; + out[5 * outstride + col] = v[10]; + out[6 * outstride + col] = v[6]; + out[7 * outstride + col] = v[14]; + out[8 * outstride + col] = v[1]; + out[9 * outstride + col] = v[9]; + out[10 * outstride + col] = v[5]; + out[11 * outstride + col] = v[13]; + out[12 * outstride + col] = v[3]; + out[13 * outstride + col] = v[11]; + out[14 * outstride + col] = v[7]; + out[15 * outstride + col] = v[15]; + } +} +static void fadst16_avx2(__m256i *in, __m256i *out, const int8_t bit, + const int num_cols, const int outstride) { + const int32_t *cospi = cospi_arr(bit); + const __m256i cospi32 = _mm256_set1_epi32(cospi[32]); + const __m256i cospi48 = _mm256_set1_epi32(cospi[48]); + const __m256i cospi16 = _mm256_set1_epi32(cospi[16]); + const __m256i cospim16 = _mm256_set1_epi32(-cospi[16]); + const __m256i cospim48 = _mm256_set1_epi32(-cospi[48]); + const __m256i cospi8 = _mm256_set1_epi32(cospi[8]); + const __m256i cospi56 = _mm256_set1_epi32(cospi[56]); + const __m256i cospim56 = _mm256_set1_epi32(-cospi[56]); + const __m256i cospim8 = _mm256_set1_epi32(-cospi[8]); + const __m256i cospi24 = _mm256_set1_epi32(cospi[24]); + const __m256i cospim24 = _mm256_set1_epi32(-cospi[24]); + const __m256i cospim40 = _mm256_set1_epi32(-cospi[40]); + const __m256i cospi40 = _mm256_set1_epi32(cospi[40]); + const __m256i cospi2 = _mm256_set1_epi32(cospi[2]); + const __m256i cospi62 = _mm256_set1_epi32(cospi[62]); + const __m256i cospim2 = _mm256_set1_epi32(-cospi[2]); + const __m256i cospi10 = _mm256_set1_epi32(cospi[10]); + const __m256i cospi54 = _mm256_set1_epi32(cospi[54]); + const __m256i cospim10 = _mm256_set1_epi32(-cospi[10]); + const __m256i cospi18 = _mm256_set1_epi32(cospi[18]); + const __m256i cospi46 = _mm256_set1_epi32(cospi[46]); + const __m256i cospim18 = _mm256_set1_epi32(-cospi[18]); + const __m256i cospi26 = _mm256_set1_epi32(cospi[26]); + const __m256i cospi38 = _mm256_set1_epi32(cospi[38]); + const __m256i cospim26 = _mm256_set1_epi32(-cospi[26]); + const __m256i cospi34 = _mm256_set1_epi32(cospi[34]); + const __m256i cospi30 = _mm256_set1_epi32(cospi[30]); + const __m256i cospim34 = _mm256_set1_epi32(-cospi[34]); + const __m256i cospi42 = _mm256_set1_epi32(cospi[42]); + const __m256i cospi22 = _mm256_set1_epi32(cospi[22]); + const __m256i cospim42 = _mm256_set1_epi32(-cospi[42]); + const __m256i cospi50 = _mm256_set1_epi32(cospi[50]); + const __m256i cospi14 = _mm256_set1_epi32(cospi[14]); + const __m256i cospim50 = _mm256_set1_epi32(-cospi[50]); + const __m256i cospi58 = _mm256_set1_epi32(cospi[58]); + const __m256i cospi6 = _mm256_set1_epi32(cospi[6]); + const __m256i cospim58 = _mm256_set1_epi32(-cospi[58]); + const __m256i rnding = _mm256_set1_epi32(1 << (bit - 1)); + const __m256i zero = _mm256_setzero_si256(); + + __m256i u[16], v[16], x, y; + int col; + + for (col = 0; col < num_cols; ++col) { + // stage 0 + // stage 1 + u[0] = in[0 * num_cols + col]; + u[1] = _mm256_sub_epi32(zero, in[15 * num_cols + col]); + u[2] = _mm256_sub_epi32(zero, in[7 * num_cols + col]); + u[3] = in[8 * num_cols + col]; + u[4] = _mm256_sub_epi32(zero, in[3 * num_cols + col]); + u[5] = in[12 * num_cols + col]; + u[6] = in[4 * num_cols + col]; + u[7] = _mm256_sub_epi32(zero, in[11 * num_cols + col]); + u[8] = _mm256_sub_epi32(zero, in[1 * num_cols + col]); + u[9] = in[14 * num_cols + col]; + u[10] = in[6 * num_cols + col]; + u[11] = _mm256_sub_epi32(zero, in[9 * num_cols + col]); + u[12] = in[2 * num_cols + col]; + u[13] = _mm256_sub_epi32(zero, in[13 * num_cols + col]); + u[14] = _mm256_sub_epi32(zero, in[5 * num_cols + col]); + u[15] = in[10 * num_cols + col]; + + // stage 2 + v[0] = u[0]; + v[1] = u[1]; + + x = _mm256_mullo_epi32(u[2], cospi32); + y = _mm256_mullo_epi32(u[3], cospi32); + v[2] = _mm256_add_epi32(x, y); + v[2] = _mm256_add_epi32(v[2], rnding); + v[2] = _mm256_srai_epi32(v[2], bit); + + v[3] = _mm256_sub_epi32(x, y); + v[3] = _mm256_add_epi32(v[3], rnding); + v[3] = _mm256_srai_epi32(v[3], bit); + + v[4] = u[4]; + v[5] = u[5]; + + x = _mm256_mullo_epi32(u[6], cospi32); + y = _mm256_mullo_epi32(u[7], cospi32); + v[6] = _mm256_add_epi32(x, y); + v[6] = _mm256_add_epi32(v[6], rnding); + v[6] = _mm256_srai_epi32(v[6], bit); + + v[7] = _mm256_sub_epi32(x, y); + v[7] = _mm256_add_epi32(v[7], rnding); + v[7] = _mm256_srai_epi32(v[7], bit); + + v[8] = u[8]; + v[9] = u[9]; + + x = _mm256_mullo_epi32(u[10], cospi32); + y = _mm256_mullo_epi32(u[11], cospi32); + v[10] = _mm256_add_epi32(x, y); + v[10] = _mm256_add_epi32(v[10], rnding); + v[10] = _mm256_srai_epi32(v[10], bit); + + v[11] = _mm256_sub_epi32(x, y); + v[11] = _mm256_add_epi32(v[11], rnding); + v[11] = _mm256_srai_epi32(v[11], bit); + + v[12] = u[12]; + v[13] = u[13]; + + x = _mm256_mullo_epi32(u[14], cospi32); + y = _mm256_mullo_epi32(u[15], cospi32); + v[14] = _mm256_add_epi32(x, y); + v[14] = _mm256_add_epi32(v[14], rnding); + v[14] = _mm256_srai_epi32(v[14], bit); + + v[15] = _mm256_sub_epi32(x, y); + v[15] = _mm256_add_epi32(v[15], rnding); + v[15] = _mm256_srai_epi32(v[15], bit); + + // stage 3 + u[0] = _mm256_add_epi32(v[0], v[2]); + u[1] = _mm256_add_epi32(v[1], v[3]); + u[2] = _mm256_sub_epi32(v[0], v[2]); + u[3] = _mm256_sub_epi32(v[1], v[3]); + u[4] = _mm256_add_epi32(v[4], v[6]); + u[5] = _mm256_add_epi32(v[5], v[7]); + u[6] = _mm256_sub_epi32(v[4], v[6]); + u[7] = _mm256_sub_epi32(v[5], v[7]); + u[8] = _mm256_add_epi32(v[8], v[10]); + u[9] = _mm256_add_epi32(v[9], v[11]); + u[10] = _mm256_sub_epi32(v[8], v[10]); + u[11] = _mm256_sub_epi32(v[9], v[11]); + u[12] = _mm256_add_epi32(v[12], v[14]); + u[13] = _mm256_add_epi32(v[13], v[15]); + u[14] = _mm256_sub_epi32(v[12], v[14]); + u[15] = _mm256_sub_epi32(v[13], v[15]); + + // stage 4 + v[0] = u[0]; + v[1] = u[1]; + v[2] = u[2]; + v[3] = u[3]; + v[4] = av1_half_btf_avx2(&cospi16, &u[4], &cospi48, &u[5], &rnding, bit); + v[5] = av1_half_btf_avx2(&cospi48, &u[4], &cospim16, &u[5], &rnding, bit); + v[6] = av1_half_btf_avx2(&cospim48, &u[6], &cospi16, &u[7], &rnding, bit); + v[7] = av1_half_btf_avx2(&cospi16, &u[6], &cospi48, &u[7], &rnding, bit); + v[8] = u[8]; + v[9] = u[9]; + v[10] = u[10]; + v[11] = u[11]; + v[12] = av1_half_btf_avx2(&cospi16, &u[12], &cospi48, &u[13], &rnding, bit); + v[13] = + av1_half_btf_avx2(&cospi48, &u[12], &cospim16, &u[13], &rnding, bit); + v[14] = + av1_half_btf_avx2(&cospim48, &u[14], &cospi16, &u[15], &rnding, bit); + v[15] = av1_half_btf_avx2(&cospi16, &u[14], &cospi48, &u[15], &rnding, bit); + + // stage 5 + u[0] = _mm256_add_epi32(v[0], v[4]); + u[1] = _mm256_add_epi32(v[1], v[5]); + u[2] = _mm256_add_epi32(v[2], v[6]); + u[3] = _mm256_add_epi32(v[3], v[7]); + u[4] = _mm256_sub_epi32(v[0], v[4]); + u[5] = _mm256_sub_epi32(v[1], v[5]); + u[6] = _mm256_sub_epi32(v[2], v[6]); + u[7] = _mm256_sub_epi32(v[3], v[7]); + u[8] = _mm256_add_epi32(v[8], v[12]); + u[9] = _mm256_add_epi32(v[9], v[13]); + u[10] = _mm256_add_epi32(v[10], v[14]); + u[11] = _mm256_add_epi32(v[11], v[15]); + u[12] = _mm256_sub_epi32(v[8], v[12]); + u[13] = _mm256_sub_epi32(v[9], v[13]); + u[14] = _mm256_sub_epi32(v[10], v[14]); + u[15] = _mm256_sub_epi32(v[11], v[15]); + + // stage 6 + v[0] = u[0]; + v[1] = u[1]; + v[2] = u[2]; + v[3] = u[3]; + v[4] = u[4]; + v[5] = u[5]; + v[6] = u[6]; + v[7] = u[7]; + v[8] = av1_half_btf_avx2(&cospi8, &u[8], &cospi56, &u[9], &rnding, bit); + v[9] = av1_half_btf_avx2(&cospi56, &u[8], &cospim8, &u[9], &rnding, bit); + v[10] = av1_half_btf_avx2(&cospi40, &u[10], &cospi24, &u[11], &rnding, bit); + v[11] = + av1_half_btf_avx2(&cospi24, &u[10], &cospim40, &u[11], &rnding, bit); + v[12] = av1_half_btf_avx2(&cospim56, &u[12], &cospi8, &u[13], &rnding, bit); + v[13] = av1_half_btf_avx2(&cospi8, &u[12], &cospi56, &u[13], &rnding, bit); + v[14] = + av1_half_btf_avx2(&cospim24, &u[14], &cospi40, &u[15], &rnding, bit); + v[15] = av1_half_btf_avx2(&cospi40, &u[14], &cospi24, &u[15], &rnding, bit); + + // stage 7 + u[0] = _mm256_add_epi32(v[0], v[8]); + u[1] = _mm256_add_epi32(v[1], v[9]); + u[2] = _mm256_add_epi32(v[2], v[10]); + u[3] = _mm256_add_epi32(v[3], v[11]); + u[4] = _mm256_add_epi32(v[4], v[12]); + u[5] = _mm256_add_epi32(v[5], v[13]); + u[6] = _mm256_add_epi32(v[6], v[14]); + u[7] = _mm256_add_epi32(v[7], v[15]); + u[8] = _mm256_sub_epi32(v[0], v[8]); + u[9] = _mm256_sub_epi32(v[1], v[9]); + u[10] = _mm256_sub_epi32(v[2], v[10]); + u[11] = _mm256_sub_epi32(v[3], v[11]); + u[12] = _mm256_sub_epi32(v[4], v[12]); + u[13] = _mm256_sub_epi32(v[5], v[13]); + u[14] = _mm256_sub_epi32(v[6], v[14]); + u[15] = _mm256_sub_epi32(v[7], v[15]); + + // stage 8 + v[0] = av1_half_btf_avx2(&cospi2, &u[0], &cospi62, &u[1], &rnding, bit); + v[1] = av1_half_btf_avx2(&cospi62, &u[0], &cospim2, &u[1], &rnding, bit); + v[2] = av1_half_btf_avx2(&cospi10, &u[2], &cospi54, &u[3], &rnding, bit); + v[3] = av1_half_btf_avx2(&cospi54, &u[2], &cospim10, &u[3], &rnding, bit); + v[4] = av1_half_btf_avx2(&cospi18, &u[4], &cospi46, &u[5], &rnding, bit); + v[5] = av1_half_btf_avx2(&cospi46, &u[4], &cospim18, &u[5], &rnding, bit); + v[6] = av1_half_btf_avx2(&cospi26, &u[6], &cospi38, &u[7], &rnding, bit); + v[7] = av1_half_btf_avx2(&cospi38, &u[6], &cospim26, &u[7], &rnding, bit); + v[8] = av1_half_btf_avx2(&cospi34, &u[8], &cospi30, &u[9], &rnding, bit); + v[9] = av1_half_btf_avx2(&cospi30, &u[8], &cospim34, &u[9], &rnding, bit); + v[10] = av1_half_btf_avx2(&cospi42, &u[10], &cospi22, &u[11], &rnding, bit); + v[11] = + av1_half_btf_avx2(&cospi22, &u[10], &cospim42, &u[11], &rnding, bit); + v[12] = av1_half_btf_avx2(&cospi50, &u[12], &cospi14, &u[13], &rnding, bit); + v[13] = + av1_half_btf_avx2(&cospi14, &u[12], &cospim50, &u[13], &rnding, bit); + v[14] = av1_half_btf_avx2(&cospi58, &u[14], &cospi6, &u[15], &rnding, bit); + v[15] = av1_half_btf_avx2(&cospi6, &u[14], &cospim58, &u[15], &rnding, bit); + + // stage 9 + out[0 * outstride + col] = v[1]; + out[1 * outstride + col] = v[14]; + out[2 * outstride + col] = v[3]; + out[3 * outstride + col] = v[12]; + out[4 * outstride + col] = v[5]; + out[5 * outstride + col] = v[10]; + out[6 * outstride + col] = v[7]; + out[7 * outstride + col] = v[8]; + out[8 * outstride + col] = v[9]; + out[9 * outstride + col] = v[6]; + out[10 * outstride + col] = v[11]; + out[11 * outstride + col] = v[4]; + out[12 * outstride + col] = v[13]; + out[13 * outstride + col] = v[2]; + out[14 * outstride + col] = v[15]; + out[15 * outstride + col] = v[0]; + } +} +static void idtx16_avx2(__m256i *in, __m256i *out, const int8_t bit, + int col_num, const int outstride) { + (void)bit; + (void)outstride; + __m256i fact = _mm256_set1_epi32(2 * NewSqrt2); + __m256i offset = _mm256_set1_epi32(1 << (NewSqrt2Bits - 1)); + __m256i a_low; + + int num_iters = 16 * col_num; + for (int i = 0; i < num_iters; i++) { + a_low = _mm256_mullo_epi32(in[i], fact); + a_low = _mm256_add_epi32(a_low, offset); + out[i] = _mm256_srai_epi32(a_low, NewSqrt2Bits); + } +} +static const transform_1d_avx2 col_highbd_txfm8x16_arr[TX_TYPES] = { + fdct16_avx2, // DCT_DCT + fadst16_avx2, // ADST_DCT + fdct16_avx2, // DCT_ADST + fadst16_avx2, // ADST_ADST + fadst16_avx2, // FLIPADST_DCT + fdct16_avx2, // DCT_FLIPADST + fadst16_avx2, // FLIPADST_FLIPADST + fadst16_avx2, // ADST_FLIPADST + fadst16_avx2, // FLIPADST_ADST + idtx16_avx2, // IDTX + fdct16_avx2, // V_DCT + idtx16_avx2, // H_DCT + fadst16_avx2, // V_ADST + idtx16_avx2, // H_ADST + fadst16_avx2, // V_FLIPADST + idtx16_avx2 // H_FLIPADST +}; +static const transform_1d_avx2 row_highbd_txfm8x8_arr[TX_TYPES] = { + fdct8_avx2, // DCT_DCT + fdct8_avx2, // ADST_DCT + fadst8_avx2, // DCT_ADST + fadst8_avx2, // ADST_ADST + fdct8_avx2, // FLIPADST_DCT + fadst8_avx2, // DCT_FLIPADST + fadst8_avx2, // FLIPADST_FLIPADST + fadst8_avx2, // ADST_FLIPADST + fadst8_avx2, // FLIPADST_ADST + idtx8_avx2, // IDTX + idtx8_avx2, // V_DCT + fdct8_avx2, // H_DCT + idtx8_avx2, // V_ADST + fadst8_avx2, // H_ADST + idtx8_avx2, // V_FLIPADST + fadst8_avx2 // H_FLIPADST +}; +void av1_fwd_txfm2d_8x16_avx2(const int16_t *input, int32_t *coeff, int stride, + TX_TYPE tx_type, int bd) { + __m256i in[16], out[16]; + const int8_t *shift = av1_fwd_txfm_shift_ls[TX_8X16]; + const int txw_idx = get_txw_idx(TX_8X16); + const int txh_idx = get_txh_idx(TX_8X16); + const transform_1d_avx2 col_txfm = col_highbd_txfm8x16_arr[tx_type]; + const transform_1d_avx2 row_txfm = row_highbd_txfm8x8_arr[tx_type]; + const int8_t bit = av1_fwd_cos_bit_col[txw_idx][txh_idx]; + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + load_buffer_8x16_avx2(input, in, stride, ud_flip, lr_flip, shift[0]); + col_txfm(in, out, bit, 1, 1); + col_txfm_8x8_rounding(out, -shift[1]); + col_txfm_8x8_rounding(&out[8], -shift[1]); + fwd_txfm_transpose_8x8_avx2(out, in, 1, 2); + fwd_txfm_transpose_8x8_avx2(&out[8], &in[1], 1, 2); + row_txfm(in, out, bit, 2, 2); + round_shift_rect_array_32_avx2(out, in, 16, -shift[2], NewSqrt2); + store_buffer_avx2(in, coeff, 8, 16); + (void)bd; +} +static const transform_1d_avx2 col_highbd_txfm8x8_arr[TX_TYPES] = { + fdct8_avx2, // DCT_DCT + fadst8_avx2, // ADST_DCT + fdct8_avx2, // DCT_ADST + fadst8_avx2, // ADST_ADST + fadst8_avx2, // FLIPADST_DCT + fdct8_avx2, // DCT_FLIPADST + fadst8_avx2, // FLIPADST_FLIPADST + fadst8_avx2, // ADST_FLIPADST + fadst8_avx2, // FLIPADST_ADST + idtx8_avx2, // IDTX + fdct8_avx2, // V_DCT + idtx8_avx2, // H_DCT + fadst8_avx2, // V_ADST + idtx8_avx2, // H_ADST + fadst8_avx2, // V_FLIPADST + idtx8_avx2 // H_FLIPADST +}; +static const transform_1d_avx2 row_highbd_txfm8x16_arr[TX_TYPES] = { + fdct16_avx2, // DCT_DCT + fdct16_avx2, // ADST_DCT + fadst16_avx2, // DCT_ADST + fadst16_avx2, // ADST_ADST + fdct16_avx2, // FLIPADST_DCT + fadst16_avx2, // DCT_FLIPADST + fadst16_avx2, // FLIPADST_FLIPADST + fadst16_avx2, // ADST_FLIPADST + fadst16_avx2, // FLIPADST_ADST + idtx16_avx2, // IDTX + idtx16_avx2, // V_DCT + fdct16_avx2, // H_DCT + idtx16_avx2, // V_ADST + fadst16_avx2, // H_ADST + idtx16_avx2, // V_FLIPADST + fadst16_avx2 // H_FLIPADST +}; +void av1_fwd_txfm2d_16x8_avx2(const int16_t *input, int32_t *coeff, int stride, + TX_TYPE tx_type, int bd) { + __m256i in[16], out[16]; + const int8_t *shift = av1_fwd_txfm_shift_ls[TX_16X8]; + const int txw_idx = get_txw_idx(TX_16X8); + const int txh_idx = get_txh_idx(TX_16X8); + const transform_1d_avx2 col_txfm = col_highbd_txfm8x8_arr[tx_type]; + const transform_1d_avx2 row_txfm = row_highbd_txfm8x16_arr[tx_type]; + const int8_t bit = av1_fwd_cos_bit_col[txw_idx][txh_idx]; + int ud_flip, lr_flip; + get_flip_cfg(tx_type, &ud_flip, &lr_flip); + + load_buffer_16xn_avx2(input, in, stride, 8, 2, ud_flip, lr_flip); + round_shift_32_8xn_avx2(in, 16, shift[0], 1); + col_txfm(in, out, bit, 2, 2); + round_shift_32_8xn_avx2(out, 16, shift[1], 1); + fwd_txfm_transpose_8x8_avx2(out, in, 2, 1); + fwd_txfm_transpose_8x8_avx2(&out[1], &in[8], 2, 1); + row_txfm(in, out, bit, 1, 1); + round_shift_rect_array_32_avx2(out, out, 16, -shift[2], NewSqrt2); + store_buffer_avx2(out, coeff, 8, 16); + (void)bd; +} +void av1_fwd_txfm2d_16x16_avx2(const int16_t *input, int32_t *coeff, int stride, + TX_TYPE tx_type, int bd) { + __m256i in[32], out[32]; + const TX_SIZE tx_size = TX_16X16; + const int8_t *shift = av1_fwd_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int width = tx_size_wide[tx_size]; + const int height = tx_size_high[tx_size]; + const int width_div8 = (width >> 3); + const int width_div16 = (width >> 4); + const int size = (height << 1); + switch (tx_type) { + case DCT_DCT: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + fdct16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + fdct16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case ADST_DCT: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + fdct16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case DCT_ADST: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + fdct16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case ADST_ADST: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case FLIPADST_DCT: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 1, 0); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + fdct16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case DCT_FLIPADST: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 1); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + fdct16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case FLIPADST_FLIPADST: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 1, 1); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case ADST_FLIPADST: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 1); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case FLIPADST_ADST: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 1, 0); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case IDTX: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + idtx16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + idtx16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case V_DCT: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + fdct16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + idtx16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case H_DCT: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + idtx16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + fdct16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case V_ADST: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + idtx16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case H_ADST: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 0); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + idtx16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case V_FLIPADST: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 1, 0); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + fadst16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + idtx16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + case H_FLIPADST: + load_buffer_16xn_avx2(input, in, stride, height, width_div8, 0, 1); + round_shift_32_8xn_avx2(in, size, shift[0], width_div16); + idtx16_avx2(in, out, av1_fwd_cos_bit_col[txw_idx][txh_idx], width_div8, + width_div8); + round_shift_32_8xn_avx2(out, size, shift[1], width_div16); + fwd_txfm_transpose_16x16_avx2(out, in); + fadst16_avx2(in, out, av1_fwd_cos_bit_row[txw_idx][txh_idx], width_div8, + width_div8); + store_buffer_avx2(out, coeff, 8, 32); + break; + default: assert(0); + } + (void)bd; +} +static INLINE void fdct32_avx2(__m256i *input, __m256i *output, + const int8_t cos_bit, const int instride, + const int outstride) { + __m256i buf0[32]; + __m256i buf1[32]; + const int32_t *cospi; + int startidx = 0 * instride; + int endidx = 31 * instride; + // stage 0 + // stage 1 + buf1[0] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[31] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[1] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[30] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[2] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[29] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[3] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[28] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[4] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[27] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[5] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[26] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[6] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[25] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[7] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[24] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[8] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[23] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[9] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[22] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[10] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[21] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[11] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[20] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[12] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[19] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[13] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[18] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[14] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[17] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + buf1[15] = _mm256_add_epi32(input[startidx], input[endidx]); + buf1[16] = _mm256_sub_epi32(input[startidx], input[endidx]); + + // stage 2 + cospi = cospi_arr(cos_bit); + buf0[0] = _mm256_add_epi32(buf1[0], buf1[15]); + buf0[15] = _mm256_sub_epi32(buf1[0], buf1[15]); + buf0[1] = _mm256_add_epi32(buf1[1], buf1[14]); + buf0[14] = _mm256_sub_epi32(buf1[1], buf1[14]); + buf0[2] = _mm256_add_epi32(buf1[2], buf1[13]); + buf0[13] = _mm256_sub_epi32(buf1[2], buf1[13]); + buf0[3] = _mm256_add_epi32(buf1[3], buf1[12]); + buf0[12] = _mm256_sub_epi32(buf1[3], buf1[12]); + buf0[4] = _mm256_add_epi32(buf1[4], buf1[11]); + buf0[11] = _mm256_sub_epi32(buf1[4], buf1[11]); + buf0[5] = _mm256_add_epi32(buf1[5], buf1[10]); + buf0[10] = _mm256_sub_epi32(buf1[5], buf1[10]); + buf0[6] = _mm256_add_epi32(buf1[6], buf1[9]); + buf0[9] = _mm256_sub_epi32(buf1[6], buf1[9]); + buf0[7] = _mm256_add_epi32(buf1[7], buf1[8]); + buf0[8] = _mm256_sub_epi32(buf1[7], buf1[8]); + buf0[16] = buf1[16]; + buf0[17] = buf1[17]; + buf0[18] = buf1[18]; + buf0[19] = buf1[19]; + btf_32_avx2_type0(-cospi[32], cospi[32], buf1[20], buf1[27], buf0[20], + buf0[27], cos_bit); + btf_32_avx2_type0(-cospi[32], cospi[32], buf1[21], buf1[26], buf0[21], + buf0[26], cos_bit); + btf_32_avx2_type0(-cospi[32], cospi[32], buf1[22], buf1[25], buf0[22], + buf0[25], cos_bit); + btf_32_avx2_type0(-cospi[32], cospi[32], buf1[23], buf1[24], buf0[23], + buf0[24], cos_bit); + buf0[28] = buf1[28]; + buf0[29] = buf1[29]; + buf0[30] = buf1[30]; + buf0[31] = buf1[31]; + + // stage 3 + cospi = cospi_arr(cos_bit); + buf1[0] = _mm256_add_epi32(buf0[0], buf0[7]); + buf1[7] = _mm256_sub_epi32(buf0[0], buf0[7]); + buf1[1] = _mm256_add_epi32(buf0[1], buf0[6]); + buf1[6] = _mm256_sub_epi32(buf0[1], buf0[6]); + buf1[2] = _mm256_add_epi32(buf0[2], buf0[5]); + buf1[5] = _mm256_sub_epi32(buf0[2], buf0[5]); + buf1[3] = _mm256_add_epi32(buf0[3], buf0[4]); + buf1[4] = _mm256_sub_epi32(buf0[3], buf0[4]); + buf1[8] = buf0[8]; + buf1[9] = buf0[9]; + btf_32_avx2_type0(-cospi[32], cospi[32], buf0[10], buf0[13], buf1[10], + buf1[13], cos_bit); + btf_32_avx2_type0(-cospi[32], cospi[32], buf0[11], buf0[12], buf1[11], + buf1[12], cos_bit); + buf1[14] = buf0[14]; + buf1[15] = buf0[15]; + buf1[16] = _mm256_add_epi32(buf0[16], buf0[23]); + buf1[23] = _mm256_sub_epi32(buf0[16], buf0[23]); + buf1[17] = _mm256_add_epi32(buf0[17], buf0[22]); + buf1[22] = _mm256_sub_epi32(buf0[17], buf0[22]); + buf1[18] = _mm256_add_epi32(buf0[18], buf0[21]); + buf1[21] = _mm256_sub_epi32(buf0[18], buf0[21]); + buf1[19] = _mm256_add_epi32(buf0[19], buf0[20]); + buf1[20] = _mm256_sub_epi32(buf0[19], buf0[20]); + buf1[24] = _mm256_sub_epi32(buf0[31], buf0[24]); + buf1[31] = _mm256_add_epi32(buf0[31], buf0[24]); + buf1[25] = _mm256_sub_epi32(buf0[30], buf0[25]); + buf1[30] = _mm256_add_epi32(buf0[30], buf0[25]); + buf1[26] = _mm256_sub_epi32(buf0[29], buf0[26]); + buf1[29] = _mm256_add_epi32(buf0[29], buf0[26]); + buf1[27] = _mm256_sub_epi32(buf0[28], buf0[27]); + buf1[28] = _mm256_add_epi32(buf0[28], buf0[27]); + + // stage 4 + cospi = cospi_arr(cos_bit); + buf0[0] = _mm256_add_epi32(buf1[0], buf1[3]); + buf0[3] = _mm256_sub_epi32(buf1[0], buf1[3]); + buf0[1] = _mm256_add_epi32(buf1[1], buf1[2]); + buf0[2] = _mm256_sub_epi32(buf1[1], buf1[2]); + buf0[4] = buf1[4]; + btf_32_avx2_type0(-cospi[32], cospi[32], buf1[5], buf1[6], buf0[5], buf0[6], + cos_bit); + buf0[7] = buf1[7]; + buf0[8] = _mm256_add_epi32(buf1[8], buf1[11]); + buf0[11] = _mm256_sub_epi32(buf1[8], buf1[11]); + buf0[9] = _mm256_add_epi32(buf1[9], buf1[10]); + buf0[10] = _mm256_sub_epi32(buf1[9], buf1[10]); + buf0[12] = _mm256_sub_epi32(buf1[15], buf1[12]); + buf0[15] = _mm256_add_epi32(buf1[15], buf1[12]); + buf0[13] = _mm256_sub_epi32(buf1[14], buf1[13]); + buf0[14] = _mm256_add_epi32(buf1[14], buf1[13]); + buf0[16] = buf1[16]; + buf0[17] = buf1[17]; + btf_32_avx2_type0(-cospi[16], cospi[48], buf1[18], buf1[29], buf0[18], + buf0[29], cos_bit); + btf_32_avx2_type0(-cospi[16], cospi[48], buf1[19], buf1[28], buf0[19], + buf0[28], cos_bit); + btf_32_avx2_type0(-cospi[48], -cospi[16], buf1[20], buf1[27], buf0[20], + buf0[27], cos_bit); + btf_32_avx2_type0(-cospi[48], -cospi[16], buf1[21], buf1[26], buf0[21], + buf0[26], cos_bit); + buf0[22] = buf1[22]; + buf0[23] = buf1[23]; + buf0[24] = buf1[24]; + buf0[25] = buf1[25]; + buf0[30] = buf1[30]; + buf0[31] = buf1[31]; + + // stage 5 + cospi = cospi_arr(cos_bit); + btf_32_avx2_type0(cospi[32], cospi[32], buf0[0], buf0[1], buf1[0], buf1[1], + cos_bit); + btf_32_avx2_type0(cospi[16], cospi[48], buf0[3], buf0[2], buf1[2], buf1[3], + cos_bit); + buf1[4] = _mm256_add_epi32(buf0[4], buf0[5]); + buf1[5] = _mm256_sub_epi32(buf0[4], buf0[5]); + buf1[6] = _mm256_sub_epi32(buf0[7], buf0[6]); + buf1[7] = _mm256_add_epi32(buf0[7], buf0[6]); + buf1[8] = buf0[8]; + btf_32_avx2_type0(-cospi[16], cospi[48], buf0[9], buf0[14], buf1[9], buf1[14], + cos_bit); + btf_32_avx2_type0(-cospi[48], -cospi[16], buf0[10], buf0[13], buf1[10], + buf1[13], cos_bit); + buf1[11] = buf0[11]; + buf1[12] = buf0[12]; + buf1[15] = buf0[15]; + buf1[16] = _mm256_add_epi32(buf0[16], buf0[19]); + buf1[19] = _mm256_sub_epi32(buf0[16], buf0[19]); + buf1[17] = _mm256_add_epi32(buf0[17], buf0[18]); + buf1[18] = _mm256_sub_epi32(buf0[17], buf0[18]); + buf1[20] = _mm256_sub_epi32(buf0[23], buf0[20]); + buf1[23] = _mm256_add_epi32(buf0[23], buf0[20]); + buf1[21] = _mm256_sub_epi32(buf0[22], buf0[21]); + buf1[22] = _mm256_add_epi32(buf0[22], buf0[21]); + buf1[24] = _mm256_add_epi32(buf0[24], buf0[27]); + buf1[27] = _mm256_sub_epi32(buf0[24], buf0[27]); + buf1[25] = _mm256_add_epi32(buf0[25], buf0[26]); + buf1[26] = _mm256_sub_epi32(buf0[25], buf0[26]); + buf1[28] = _mm256_sub_epi32(buf0[31], buf0[28]); + buf1[31] = _mm256_add_epi32(buf0[31], buf0[28]); + buf1[29] = _mm256_sub_epi32(buf0[30], buf0[29]); + buf1[30] = _mm256_add_epi32(buf0[30], buf0[29]); + + // stage 6 + cospi = cospi_arr(cos_bit); + buf0[0] = buf1[0]; + buf0[1] = buf1[1]; + buf0[2] = buf1[2]; + buf0[3] = buf1[3]; + btf_32_avx2_type0(cospi[8], cospi[56], buf1[7], buf1[4], buf0[4], buf0[7], + cos_bit); + btf_32_avx2_type0(cospi[40], cospi[24], buf1[6], buf1[5], buf0[5], buf0[6], + cos_bit); + buf0[8] = _mm256_add_epi32(buf1[8], buf1[9]); + buf0[9] = _mm256_sub_epi32(buf1[8], buf1[9]); + buf0[10] = _mm256_sub_epi32(buf1[11], buf1[10]); + buf0[11] = _mm256_add_epi32(buf1[11], buf1[10]); + buf0[12] = _mm256_add_epi32(buf1[12], buf1[13]); + buf0[13] = _mm256_sub_epi32(buf1[12], buf1[13]); + buf0[14] = _mm256_sub_epi32(buf1[15], buf1[14]); + buf0[15] = _mm256_add_epi32(buf1[15], buf1[14]); + buf0[16] = buf1[16]; + btf_32_avx2_type0(-cospi[8], cospi[56], buf1[17], buf1[30], buf0[17], + buf0[30], cos_bit); + btf_32_avx2_type0(-cospi[56], -cospi[8], buf1[18], buf1[29], buf0[18], + buf0[29], cos_bit); + buf0[19] = buf1[19]; + buf0[20] = buf1[20]; + btf_32_avx2_type0(-cospi[40], cospi[24], buf1[21], buf1[26], buf0[21], + buf0[26], cos_bit); + btf_32_avx2_type0(-cospi[24], -cospi[40], buf1[22], buf1[25], buf0[22], + buf0[25], cos_bit); + buf0[23] = buf1[23]; + buf0[24] = buf1[24]; + buf0[27] = buf1[27]; + buf0[28] = buf1[28]; + buf0[31] = buf1[31]; + + // stage 7 + cospi = cospi_arr(cos_bit); + buf1[0] = buf0[0]; + buf1[1] = buf0[1]; + buf1[2] = buf0[2]; + buf1[3] = buf0[3]; + buf1[4] = buf0[4]; + buf1[5] = buf0[5]; + buf1[6] = buf0[6]; + buf1[7] = buf0[7]; + btf_32_avx2_type0(cospi[4], cospi[60], buf0[15], buf0[8], buf1[8], buf1[15], + cos_bit); + btf_32_avx2_type0(cospi[36], cospi[28], buf0[14], buf0[9], buf1[9], buf1[14], + cos_bit); + btf_32_avx2_type0(cospi[20], cospi[44], buf0[13], buf0[10], buf1[10], + buf1[13], cos_bit); + btf_32_avx2_type0(cospi[52], cospi[12], buf0[12], buf0[11], buf1[11], + buf1[12], cos_bit); + buf1[16] = _mm256_add_epi32(buf0[16], buf0[17]); + buf1[17] = _mm256_sub_epi32(buf0[16], buf0[17]); + buf1[18] = _mm256_sub_epi32(buf0[19], buf0[18]); + buf1[19] = _mm256_add_epi32(buf0[19], buf0[18]); + buf1[20] = _mm256_add_epi32(buf0[20], buf0[21]); + buf1[21] = _mm256_sub_epi32(buf0[20], buf0[21]); + buf1[22] = _mm256_sub_epi32(buf0[23], buf0[22]); + buf1[23] = _mm256_add_epi32(buf0[23], buf0[22]); + buf1[24] = _mm256_add_epi32(buf0[24], buf0[25]); + buf1[25] = _mm256_sub_epi32(buf0[24], buf0[25]); + buf1[26] = _mm256_sub_epi32(buf0[27], buf0[26]); + buf1[27] = _mm256_add_epi32(buf0[27], buf0[26]); + buf1[28] = _mm256_add_epi32(buf0[28], buf0[29]); + buf1[29] = _mm256_sub_epi32(buf0[28], buf0[29]); + buf1[30] = _mm256_sub_epi32(buf0[31], buf0[30]); + buf1[31] = _mm256_add_epi32(buf0[31], buf0[30]); + + // stage 8 + cospi = cospi_arr(cos_bit); + buf0[0] = buf1[0]; + buf0[1] = buf1[1]; + buf0[2] = buf1[2]; + buf0[3] = buf1[3]; + buf0[4] = buf1[4]; + buf0[5] = buf1[5]; + buf0[6] = buf1[6]; + buf0[7] = buf1[7]; + buf0[8] = buf1[8]; + buf0[9] = buf1[9]; + buf0[10] = buf1[10]; + buf0[11] = buf1[11]; + buf0[12] = buf1[12]; + buf0[13] = buf1[13]; + buf0[14] = buf1[14]; + buf0[15] = buf1[15]; + btf_32_avx2_type0(cospi[2], cospi[62], buf1[31], buf1[16], buf0[16], buf0[31], + cos_bit); + btf_32_avx2_type0(cospi[34], cospi[30], buf1[30], buf1[17], buf0[17], + buf0[30], cos_bit); + btf_32_avx2_type0(cospi[18], cospi[46], buf1[29], buf1[18], buf0[18], + buf0[29], cos_bit); + btf_32_avx2_type0(cospi[50], cospi[14], buf1[28], buf1[19], buf0[19], + buf0[28], cos_bit); + btf_32_avx2_type0(cospi[10], cospi[54], buf1[27], buf1[20], buf0[20], + buf0[27], cos_bit); + btf_32_avx2_type0(cospi[42], cospi[22], buf1[26], buf1[21], buf0[21], + buf0[26], cos_bit); + btf_32_avx2_type0(cospi[26], cospi[38], buf1[25], buf1[22], buf0[22], + buf0[25], cos_bit); + btf_32_avx2_type0(cospi[58], cospi[6], buf1[24], buf1[23], buf0[23], buf0[24], + cos_bit); + + startidx = 0 * outstride; + endidx = 31 * outstride; + // stage 9 + output[startidx] = buf0[0]; + output[endidx] = buf0[31]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[16]; + output[endidx] = buf0[15]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[8]; + output[endidx] = buf0[23]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[24]; + output[endidx] = buf0[7]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[4]; + output[endidx] = buf0[27]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[20]; + output[endidx] = buf0[11]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[12]; + output[endidx] = buf0[19]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[28]; + output[endidx] = buf0[3]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[2]; + output[endidx] = buf0[29]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[18]; + output[endidx] = buf0[13]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[10]; + output[endidx] = buf0[21]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[26]; + output[endidx] = buf0[5]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[6]; + output[endidx] = buf0[25]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[22]; + output[endidx] = buf0[9]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[14]; + output[endidx] = buf0[17]; + startidx += outstride; + endidx -= outstride; + output[startidx] = buf0[30]; + output[endidx] = buf0[1]; +} +static INLINE void idtx32x32_avx2(__m256i *input, __m256i *output, + const int8_t cos_bit, int instride, + int outstride) { + (void)cos_bit; + for (int i = 0; i < 32; i += 8) { + output[i * outstride] = _mm256_slli_epi32(input[i * instride], 2); + output[(i + 1) * outstride] = + _mm256_slli_epi32(input[(i + 1) * instride], 2); + output[(i + 2) * outstride] = + _mm256_slli_epi32(input[(i + 2) * instride], 2); + output[(i + 3) * outstride] = + _mm256_slli_epi32(input[(i + 3) * instride], 2); + output[(i + 4) * outstride] = + _mm256_slli_epi32(input[(i + 4) * instride], 2); + output[(i + 5) * outstride] = + _mm256_slli_epi32(input[(i + 5) * instride], 2); + output[(i + 6) * outstride] = + _mm256_slli_epi32(input[(i + 6) * instride], 2); + output[(i + 7) * outstride] = + _mm256_slli_epi32(input[(i + 7) * instride], 2); + } +} +static const transform_1d_avx2 col_txfm8x32_arr[TX_TYPES] = { + fdct32_avx2, // DCT_DCT + NULL, // ADST_DCT + NULL, // DCT_ADST + NULL, // ADST_ADST + NULL, // FLIPADST_DCT + NULL, // DCT_FLIPADST + NULL, // FLIPADST_FLIPADST + NULL, // ADST_FLIPADST + NULL, // FLIPADST_ADST + idtx32x32_avx2, // IDTX + NULL, // V_DCT + NULL, // H_DCT + NULL, // V_ADST + NULL, // H_ADST + NULL, // V_FLIPADST + NULL // H_FLIPADST +}; +static const transform_1d_avx2 row_txfm8x32_arr[TX_TYPES] = { + fdct32_avx2, // DCT_DCT + NULL, // ADST_DCT + NULL, // DCT_ADST + NULL, // ADST_ADST + NULL, // FLIPADST_DCT + NULL, // DCT_FLIPADST + NULL, // FLIPADST_FLIPADST + NULL, // ADST_FLIPADST + NULL, // FLIPADST_ADST + idtx32x32_avx2, // IDTX + NULL, // V_DCT + NULL, // H_DCT + NULL, // V_ADST + NULL, // H_ADST + NULL, // V_FLIPADST + NULL // H_FLIPADST +}; +void av1_fwd_txfm2d_32x32_avx2(const int16_t *input, int32_t *output, + int stride, TX_TYPE tx_type, int bd) { + (void)bd; + __m256i buf0[128], buf1[128]; + const int tx_size = TX_32X32; + const int8_t *shift = av1_fwd_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = av1_fwd_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = av1_fwd_cos_bit_row[txw_idx][txh_idx]; + const int width = tx_size_wide[tx_size]; + const int height = tx_size_high[tx_size]; + const transform_1d_avx2 col_txfm = col_txfm8x32_arr[tx_type]; + const transform_1d_avx2 row_txfm = row_txfm8x32_arr[tx_type]; + int r, c; + const int width_div16 = (width >> 4); + const int width_div8 = (width >> 3); + + for (int i = 0; i < width_div16; i++) { + load_buffer_16xn_avx2(input + (i << 4), &buf0[(i << 1)], stride, height, + width_div8, 0, 0); + round_shift_32_8xn_avx2(&buf0[(i << 1)], height, shift[0], width_div8); + round_shift_32_8xn_avx2(&buf0[(i << 1) + 1], height, shift[0], width_div8); + col_txfm(&buf0[(i << 1)], &buf0[(i << 1)], cos_bit_col, width_div8, + width_div8); + col_txfm(&buf0[(i << 1) + 1], &buf0[(i << 1) + 1], cos_bit_col, width_div8, + width_div8); + round_shift_32_8xn_avx2(&buf0[(i << 1)], height, shift[1], width_div8); + round_shift_32_8xn_avx2(&buf0[(i << 1) + 1], height, shift[1], width_div8); + } + + for (r = 0; r < height; r += 8) { + for (c = 0; c < width_div8; c++) { + fwd_txfm_transpose_8x8_avx2(&buf0[r * width_div8 + c], + &buf1[c * 8 * width_div8 + (r >> 3)], + width_div8, width_div8); + } + } + + for (int i = 0; i < width_div16; i++) { + row_txfm(&buf1[(i << 1)], &buf1[(i << 1)], cos_bit_row, width_div8, + width_div8); + row_txfm(&buf1[(i << 1) + 1], &buf1[(i << 1) + 1], cos_bit_row, width_div8, + width_div8); + round_shift_32_8xn_avx2(&buf1[(i << 1)], height, shift[2], width_div8); + round_shift_32_8xn_avx2(&buf1[(i << 1) + 1], height, shift[2], width_div8); + } + + store_buffer_avx2(buf1, output, 8, 128); +} +static INLINE void fdct64_stage2_avx2(__m256i *x1, __m256i *x2, + __m256i *cospi_m32, __m256i *cospi_p32, + const __m256i *__rounding, + int8_t cos_bit) { + x2[0] = _mm256_add_epi32(x1[0], x1[31]); + x2[31] = _mm256_sub_epi32(x1[0], x1[31]); + x2[1] = _mm256_add_epi32(x1[1], x1[30]); + x2[30] = _mm256_sub_epi32(x1[1], x1[30]); + x2[2] = _mm256_add_epi32(x1[2], x1[29]); + x2[29] = _mm256_sub_epi32(x1[2], x1[29]); + x2[3] = _mm256_add_epi32(x1[3], x1[28]); + x2[28] = _mm256_sub_epi32(x1[3], x1[28]); + x2[4] = _mm256_add_epi32(x1[4], x1[27]); + x2[27] = _mm256_sub_epi32(x1[4], x1[27]); + x2[5] = _mm256_add_epi32(x1[5], x1[26]); + x2[26] = _mm256_sub_epi32(x1[5], x1[26]); + x2[6] = _mm256_add_epi32(x1[6], x1[25]); + x2[25] = _mm256_sub_epi32(x1[6], x1[25]); + x2[7] = _mm256_add_epi32(x1[7], x1[24]); + x2[24] = _mm256_sub_epi32(x1[7], x1[24]); + x2[8] = _mm256_add_epi32(x1[8], x1[23]); + x2[23] = _mm256_sub_epi32(x1[8], x1[23]); + x2[9] = _mm256_add_epi32(x1[9], x1[22]); + x2[22] = _mm256_sub_epi32(x1[9], x1[22]); + x2[10] = _mm256_add_epi32(x1[10], x1[21]); + x2[21] = _mm256_sub_epi32(x1[10], x1[21]); + x2[11] = _mm256_add_epi32(x1[11], x1[20]); + x2[20] = _mm256_sub_epi32(x1[11], x1[20]); + x2[12] = _mm256_add_epi32(x1[12], x1[19]); + x2[19] = _mm256_sub_epi32(x1[12], x1[19]); + x2[13] = _mm256_add_epi32(x1[13], x1[18]); + x2[18] = _mm256_sub_epi32(x1[13], x1[18]); + x2[14] = _mm256_add_epi32(x1[14], x1[17]); + x2[17] = _mm256_sub_epi32(x1[14], x1[17]); + x2[15] = _mm256_add_epi32(x1[15], x1[16]); + x2[16] = _mm256_sub_epi32(x1[15], x1[16]); + x2[32] = x1[32]; + x2[33] = x1[33]; + x2[34] = x1[34]; + x2[35] = x1[35]; + x2[36] = x1[36]; + x2[37] = x1[37]; + x2[38] = x1[38]; + x2[39] = x1[39]; + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[40], x1[55], x2[40], x2[55], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[41], x1[54], x2[41], x2[54], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[42], x1[53], x2[42], x2[53], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[43], x1[52], x2[43], x2[52], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[44], x1[51], x2[44], x2[51], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[45], x1[50], x2[45], x2[50], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[46], x1[49], x2[46], x2[49], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x1[47], x1[48], x2[47], x2[48], + *__rounding, cos_bit); + x2[56] = x1[56]; + x2[57] = x1[57]; + x2[58] = x1[58]; + x2[59] = x1[59]; + x2[60] = x1[60]; + x2[61] = x1[61]; + x2[62] = x1[62]; + x2[63] = x1[63]; +} +static INLINE void fdct64_stage3_avx2(__m256i *x2, __m256i *x3, + __m256i *cospi_m32, __m256i *cospi_p32, + const __m256i *__rounding, + int8_t cos_bit) { + x3[0] = _mm256_add_epi32(x2[0], x2[15]); + x3[15] = _mm256_sub_epi32(x2[0], x2[15]); + x3[1] = _mm256_add_epi32(x2[1], x2[14]); + x3[14] = _mm256_sub_epi32(x2[1], x2[14]); + x3[2] = _mm256_add_epi32(x2[2], x2[13]); + x3[13] = _mm256_sub_epi32(x2[2], x2[13]); + x3[3] = _mm256_add_epi32(x2[3], x2[12]); + x3[12] = _mm256_sub_epi32(x2[3], x2[12]); + x3[4] = _mm256_add_epi32(x2[4], x2[11]); + x3[11] = _mm256_sub_epi32(x2[4], x2[11]); + x3[5] = _mm256_add_epi32(x2[5], x2[10]); + x3[10] = _mm256_sub_epi32(x2[5], x2[10]); + x3[6] = _mm256_add_epi32(x2[6], x2[9]); + x3[9] = _mm256_sub_epi32(x2[6], x2[9]); + x3[7] = _mm256_add_epi32(x2[7], x2[8]); + x3[8] = _mm256_sub_epi32(x2[7], x2[8]); + x3[16] = x2[16]; + x3[17] = x2[17]; + x3[18] = x2[18]; + x3[19] = x2[19]; + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x2[20], x2[27], x3[20], x3[27], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x2[21], x2[26], x3[21], x3[26], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x2[22], x2[25], x3[22], x3[25], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x2[23], x2[24], x3[23], x3[24], + *__rounding, cos_bit); + x3[28] = x2[28]; + x3[29] = x2[29]; + x3[30] = x2[30]; + x3[31] = x2[31]; + x3[32] = _mm256_add_epi32(x2[32], x2[47]); + x3[47] = _mm256_sub_epi32(x2[32], x2[47]); + x3[33] = _mm256_add_epi32(x2[33], x2[46]); + x3[46] = _mm256_sub_epi32(x2[33], x2[46]); + x3[34] = _mm256_add_epi32(x2[34], x2[45]); + x3[45] = _mm256_sub_epi32(x2[34], x2[45]); + x3[35] = _mm256_add_epi32(x2[35], x2[44]); + x3[44] = _mm256_sub_epi32(x2[35], x2[44]); + x3[36] = _mm256_add_epi32(x2[36], x2[43]); + x3[43] = _mm256_sub_epi32(x2[36], x2[43]); + x3[37] = _mm256_add_epi32(x2[37], x2[42]); + x3[42] = _mm256_sub_epi32(x2[37], x2[42]); + x3[38] = _mm256_add_epi32(x2[38], x2[41]); + x3[41] = _mm256_sub_epi32(x2[38], x2[41]); + x3[39] = _mm256_add_epi32(x2[39], x2[40]); + x3[40] = _mm256_sub_epi32(x2[39], x2[40]); + x3[48] = _mm256_sub_epi32(x2[63], x2[48]); + x3[63] = _mm256_add_epi32(x2[63], x2[48]); + x3[49] = _mm256_sub_epi32(x2[62], x2[49]); + x3[62] = _mm256_add_epi32(x2[62], x2[49]); + x3[50] = _mm256_sub_epi32(x2[61], x2[50]); + x3[61] = _mm256_add_epi32(x2[61], x2[50]); + x3[51] = _mm256_sub_epi32(x2[60], x2[51]); + x3[60] = _mm256_add_epi32(x2[60], x2[51]); + x3[52] = _mm256_sub_epi32(x2[59], x2[52]); + x3[59] = _mm256_add_epi32(x2[59], x2[52]); + x3[53] = _mm256_sub_epi32(x2[58], x2[53]); + x3[58] = _mm256_add_epi32(x2[58], x2[53]); + x3[54] = _mm256_sub_epi32(x2[57], x2[54]); + x3[57] = _mm256_add_epi32(x2[57], x2[54]); + x3[55] = _mm256_sub_epi32(x2[56], x2[55]); + x3[56] = _mm256_add_epi32(x2[56], x2[55]); +} +static INLINE void fdct64_stage4_avx2(__m256i *x3, __m256i *x4, + __m256i *cospi_m32, __m256i *cospi_p32, + __m256i *cospi_m16, __m256i *cospi_p48, + __m256i *cospi_m48, + const __m256i *__rounding, + int8_t cos_bit) { + x4[0] = _mm256_add_epi32(x3[0], x3[7]); + x4[7] = _mm256_sub_epi32(x3[0], x3[7]); + x4[1] = _mm256_add_epi32(x3[1], x3[6]); + x4[6] = _mm256_sub_epi32(x3[1], x3[6]); + x4[2] = _mm256_add_epi32(x3[2], x3[5]); + x4[5] = _mm256_sub_epi32(x3[2], x3[5]); + x4[3] = _mm256_add_epi32(x3[3], x3[4]); + x4[4] = _mm256_sub_epi32(x3[3], x3[4]); + x4[8] = x3[8]; + x4[9] = x3[9]; + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x3[10], x3[13], x4[10], x4[13], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x3[11], x3[12], x4[11], x4[12], + *__rounding, cos_bit); + x4[14] = x3[14]; + x4[15] = x3[15]; + x4[16] = _mm256_add_epi32(x3[16], x3[23]); + x4[23] = _mm256_sub_epi32(x3[16], x3[23]); + x4[17] = _mm256_add_epi32(x3[17], x3[22]); + x4[22] = _mm256_sub_epi32(x3[17], x3[22]); + x4[18] = _mm256_add_epi32(x3[18], x3[21]); + x4[21] = _mm256_sub_epi32(x3[18], x3[21]); + x4[19] = _mm256_add_epi32(x3[19], x3[20]); + x4[20] = _mm256_sub_epi32(x3[19], x3[20]); + x4[24] = _mm256_sub_epi32(x3[31], x3[24]); + x4[31] = _mm256_add_epi32(x3[31], x3[24]); + x4[25] = _mm256_sub_epi32(x3[30], x3[25]); + x4[30] = _mm256_add_epi32(x3[30], x3[25]); + x4[26] = _mm256_sub_epi32(x3[29], x3[26]); + x4[29] = _mm256_add_epi32(x3[29], x3[26]); + x4[27] = _mm256_sub_epi32(x3[28], x3[27]); + x4[28] = _mm256_add_epi32(x3[28], x3[27]); + x4[32] = x3[32]; + x4[33] = x3[33]; + x4[34] = x3[34]; + x4[35] = x3[35]; + btf_32_type0_avx2_new(*cospi_m16, *cospi_p48, x3[36], x3[59], x4[36], x4[59], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m16, *cospi_p48, x3[37], x3[58], x4[37], x4[58], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m16, *cospi_p48, x3[38], x3[57], x4[38], x4[57], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m16, *cospi_p48, x3[39], x3[56], x4[39], x4[56], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m48, *cospi_m16, x3[40], x3[55], x4[40], x4[55], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m48, *cospi_m16, x3[41], x3[54], x4[41], x4[54], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m48, *cospi_m16, x3[42], x3[53], x4[42], x4[53], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m48, *cospi_m16, x3[43], x3[52], x4[43], x4[52], + *__rounding, cos_bit); + x4[44] = x3[44]; + x4[45] = x3[45]; + x4[46] = x3[46]; + x4[47] = x3[47]; + x4[48] = x3[48]; + x4[49] = x3[49]; + x4[50] = x3[50]; + x4[51] = x3[51]; + x4[60] = x3[60]; + x4[61] = x3[61]; + x4[62] = x3[62]; + x4[63] = x3[63]; +} +static INLINE void fdct64_stage5_avx2(__m256i *x4, __m256i *x5, + __m256i *cospi_m32, __m256i *cospi_p32, + __m256i *cospi_m16, __m256i *cospi_p48, + __m256i *cospi_m48, + const __m256i *__rounding, + int8_t cos_bit) { + x5[0] = _mm256_add_epi32(x4[0], x4[3]); + x5[3] = _mm256_sub_epi32(x4[0], x4[3]); + x5[1] = _mm256_add_epi32(x4[1], x4[2]); + x5[2] = _mm256_sub_epi32(x4[1], x4[2]); + x5[4] = x4[4]; + btf_32_type0_avx2_new(*cospi_m32, *cospi_p32, x4[5], x4[6], x5[5], x5[6], + *__rounding, cos_bit); + x5[7] = x4[7]; + x5[8] = _mm256_add_epi32(x4[8], x4[11]); + x5[11] = _mm256_sub_epi32(x4[8], x4[11]); + x5[9] = _mm256_add_epi32(x4[9], x4[10]); + x5[10] = _mm256_sub_epi32(x4[9], x4[10]); + x5[12] = _mm256_sub_epi32(x4[15], x4[12]); + x5[15] = _mm256_add_epi32(x4[15], x4[12]); + x5[13] = _mm256_sub_epi32(x4[14], x4[13]); + x5[14] = _mm256_add_epi32(x4[14], x4[13]); + x5[16] = x4[16]; + x5[17] = x4[17]; + btf_32_type0_avx2_new(*cospi_m16, *cospi_p48, x4[18], x4[29], x5[18], x5[29], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m16, *cospi_p48, x4[19], x4[28], x5[19], x5[28], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m48, *cospi_m16, x4[20], x4[27], x5[20], x5[27], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m48, *cospi_m16, x4[21], x4[26], x5[21], x5[26], + *__rounding, cos_bit); + x5[22] = x4[22]; + x5[23] = x4[23]; + x5[24] = x4[24]; + x5[25] = x4[25]; + x5[30] = x4[30]; + x5[31] = x4[31]; + x5[32] = _mm256_add_epi32(x4[32], x4[39]); + x5[39] = _mm256_sub_epi32(x4[32], x4[39]); + x5[33] = _mm256_add_epi32(x4[33], x4[38]); + x5[38] = _mm256_sub_epi32(x4[33], x4[38]); + x5[34] = _mm256_add_epi32(x4[34], x4[37]); + x5[37] = _mm256_sub_epi32(x4[34], x4[37]); + x5[35] = _mm256_add_epi32(x4[35], x4[36]); + x5[36] = _mm256_sub_epi32(x4[35], x4[36]); + x5[40] = _mm256_sub_epi32(x4[47], x4[40]); + x5[47] = _mm256_add_epi32(x4[47], x4[40]); + x5[41] = _mm256_sub_epi32(x4[46], x4[41]); + x5[46] = _mm256_add_epi32(x4[46], x4[41]); + x5[42] = _mm256_sub_epi32(x4[45], x4[42]); + x5[45] = _mm256_add_epi32(x4[45], x4[42]); + x5[43] = _mm256_sub_epi32(x4[44], x4[43]); + x5[44] = _mm256_add_epi32(x4[44], x4[43]); + x5[48] = _mm256_add_epi32(x4[48], x4[55]); + x5[55] = _mm256_sub_epi32(x4[48], x4[55]); + x5[49] = _mm256_add_epi32(x4[49], x4[54]); + x5[54] = _mm256_sub_epi32(x4[49], x4[54]); + x5[50] = _mm256_add_epi32(x4[50], x4[53]); + x5[53] = _mm256_sub_epi32(x4[50], x4[53]); + x5[51] = _mm256_add_epi32(x4[51], x4[52]); + x5[52] = _mm256_sub_epi32(x4[51], x4[52]); + x5[56] = _mm256_sub_epi32(x4[63], x4[56]); + x5[63] = _mm256_add_epi32(x4[63], x4[56]); + x5[57] = _mm256_sub_epi32(x4[62], x4[57]); + x5[62] = _mm256_add_epi32(x4[62], x4[57]); + x5[58] = _mm256_sub_epi32(x4[61], x4[58]); + x5[61] = _mm256_add_epi32(x4[61], x4[58]); + x5[59] = _mm256_sub_epi32(x4[60], x4[59]); + x5[60] = _mm256_add_epi32(x4[60], x4[59]); +} +static INLINE void fdct64_stage6_avx2( + __m256i *x5, __m256i *x6, __m256i *cospi_p16, __m256i *cospi_p32, + __m256i *cospi_m16, __m256i *cospi_p48, __m256i *cospi_m48, + __m256i *cospi_m08, __m256i *cospi_p56, __m256i *cospi_m56, + __m256i *cospi_m40, __m256i *cospi_p24, __m256i *cospi_m24, + const __m256i *__rounding, int8_t cos_bit) { + btf_32_type0_avx2_new(*cospi_p32, *cospi_p32, x5[0], x5[1], x6[0], x6[1], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_p16, *cospi_p48, x5[3], x5[2], x6[2], x6[3], + *__rounding, cos_bit); + x6[4] = _mm256_add_epi32(x5[4], x5[5]); + x6[5] = _mm256_sub_epi32(x5[4], x5[5]); + x6[6] = _mm256_sub_epi32(x5[7], x5[6]); + x6[7] = _mm256_add_epi32(x5[7], x5[6]); + x6[8] = x5[8]; + btf_32_type0_avx2_new(*cospi_m16, *cospi_p48, x5[9], x5[14], x6[9], x6[14], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m48, *cospi_m16, x5[10], x5[13], x6[10], x6[13], + *__rounding, cos_bit); + x6[11] = x5[11]; + x6[12] = x5[12]; + x6[15] = x5[15]; + x6[16] = _mm256_add_epi32(x5[16], x5[19]); + x6[19] = _mm256_sub_epi32(x5[16], x5[19]); + x6[17] = _mm256_add_epi32(x5[17], x5[18]); + x6[18] = _mm256_sub_epi32(x5[17], x5[18]); + x6[20] = _mm256_sub_epi32(x5[23], x5[20]); + x6[23] = _mm256_add_epi32(x5[23], x5[20]); + x6[21] = _mm256_sub_epi32(x5[22], x5[21]); + x6[22] = _mm256_add_epi32(x5[22], x5[21]); + x6[24] = _mm256_add_epi32(x5[24], x5[27]); + x6[27] = _mm256_sub_epi32(x5[24], x5[27]); + x6[25] = _mm256_add_epi32(x5[25], x5[26]); + x6[26] = _mm256_sub_epi32(x5[25], x5[26]); + x6[28] = _mm256_sub_epi32(x5[31], x5[28]); + x6[31] = _mm256_add_epi32(x5[31], x5[28]); + x6[29] = _mm256_sub_epi32(x5[30], x5[29]); + x6[30] = _mm256_add_epi32(x5[30], x5[29]); + x6[32] = x5[32]; + x6[33] = x5[33]; + btf_32_type0_avx2_new(*cospi_m08, *cospi_p56, x5[34], x5[61], x6[34], x6[61], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m08, *cospi_p56, x5[35], x5[60], x6[35], x6[60], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m56, *cospi_m08, x5[36], x5[59], x6[36], x6[59], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m56, *cospi_m08, x5[37], x5[58], x6[37], x6[58], + *__rounding, cos_bit); + x6[38] = x5[38]; + x6[39] = x5[39]; + x6[40] = x5[40]; + x6[41] = x5[41]; + btf_32_type0_avx2_new(*cospi_m40, *cospi_p24, x5[42], x5[53], x6[42], x6[53], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m40, *cospi_p24, x5[43], x5[52], x6[43], x6[52], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m24, *cospi_m40, x5[44], x5[51], x6[44], x6[51], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m24, *cospi_m40, x5[45], x5[50], x6[45], x6[50], + *__rounding, cos_bit); + x6[46] = x5[46]; + x6[47] = x5[47]; + x6[48] = x5[48]; + x6[49] = x5[49]; + x6[54] = x5[54]; + x6[55] = x5[55]; + x6[56] = x5[56]; + x6[57] = x5[57]; + x6[62] = x5[62]; + x6[63] = x5[63]; +} +static INLINE void fdct64_stage7_avx2(__m256i *x6, __m256i *x7, + __m256i *cospi_p08, __m256i *cospi_p56, + __m256i *cospi_p40, __m256i *cospi_p24, + __m256i *cospi_m08, __m256i *cospi_m56, + __m256i *cospi_m40, __m256i *cospi_m24, + const __m256i *__rounding, + int8_t cos_bit) { + x7[0] = x6[0]; + x7[1] = x6[1]; + x7[2] = x6[2]; + x7[3] = x6[3]; + btf_32_type0_avx2_new(*cospi_p08, *cospi_p56, x6[7], x6[4], x7[4], x7[7], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_p40, *cospi_p24, x6[6], x6[5], x7[5], x7[6], + *__rounding, cos_bit); + x7[8] = _mm256_add_epi32(x6[8], x6[9]); + x7[9] = _mm256_sub_epi32(x6[8], x6[9]); + x7[10] = _mm256_sub_epi32(x6[11], x6[10]); + x7[11] = _mm256_add_epi32(x6[11], x6[10]); + x7[12] = _mm256_add_epi32(x6[12], x6[13]); + x7[13] = _mm256_sub_epi32(x6[12], x6[13]); + x7[14] = _mm256_sub_epi32(x6[15], x6[14]); + x7[15] = _mm256_add_epi32(x6[15], x6[14]); + x7[16] = x6[16]; + btf_32_type0_avx2_new(*cospi_m08, *cospi_p56, x6[17], x6[30], x7[17], x7[30], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m56, *cospi_m08, x6[18], x6[29], x7[18], x7[29], + *__rounding, cos_bit); + x7[19] = x6[19]; + x7[20] = x6[20]; + btf_32_type0_avx2_new(*cospi_m40, *cospi_p24, x6[21], x6[26], x7[21], x7[26], + *__rounding, cos_bit); + btf_32_type0_avx2_new(*cospi_m24, *cospi_m40, x6[22], x6[25], x7[22], x7[25], + *__rounding, cos_bit); + x7[23] = x6[23]; + x7[24] = x6[24]; + x7[27] = x6[27]; + x7[28] = x6[28]; + x7[31] = x6[31]; + x7[32] = _mm256_add_epi32(x6[32], x6[35]); + x7[35] = _mm256_sub_epi32(x6[32], x6[35]); + x7[33] = _mm256_add_epi32(x6[33], x6[34]); + x7[34] = _mm256_sub_epi32(x6[33], x6[34]); + x7[36] = _mm256_sub_epi32(x6[39], x6[36]); + x7[39] = _mm256_add_epi32(x6[39], x6[36]); + x7[37] = _mm256_sub_epi32(x6[38], x6[37]); + x7[38] = _mm256_add_epi32(x6[38], x6[37]); + x7[40] = _mm256_add_epi32(x6[40], x6[43]); + x7[43] = _mm256_sub_epi32(x6[40], x6[43]); + x7[41] = _mm256_add_epi32(x6[41], x6[42]); + x7[42] = _mm256_sub_epi32(x6[41], x6[42]); + x7[44] = _mm256_sub_epi32(x6[47], x6[44]); + x7[47] = _mm256_add_epi32(x6[47], x6[44]); + x7[45] = _mm256_sub_epi32(x6[46], x6[45]); + x7[46] = _mm256_add_epi32(x6[46], x6[45]); + x7[48] = _mm256_add_epi32(x6[48], x6[51]); + x7[51] = _mm256_sub_epi32(x6[48], x6[51]); + x7[49] = _mm256_add_epi32(x6[49], x6[50]); + x7[50] = _mm256_sub_epi32(x6[49], x6[50]); + x7[52] = _mm256_sub_epi32(x6[55], x6[52]); + x7[55] = _mm256_add_epi32(x6[55], x6[52]); + x7[53] = _mm256_sub_epi32(x6[54], x6[53]); + x7[54] = _mm256_add_epi32(x6[54], x6[53]); + x7[56] = _mm256_add_epi32(x6[56], x6[59]); + x7[59] = _mm256_sub_epi32(x6[56], x6[59]); + x7[57] = _mm256_add_epi32(x6[57], x6[58]); + x7[58] = _mm256_sub_epi32(x6[57], x6[58]); + x7[60] = _mm256_sub_epi32(x6[63], x6[60]); + x7[63] = _mm256_add_epi32(x6[63], x6[60]); + x7[61] = _mm256_sub_epi32(x6[62], x6[61]); + x7[62] = _mm256_add_epi32(x6[62], x6[61]); +} +static INLINE void fdct64_stage8_avx2(__m256i *x7, __m256i *x8, + const int32_t *cospi, + const __m256i *__rounding, + int8_t cos_bit) { + __m256i cospi_p60 = _mm256_set1_epi32(cospi[60]); + __m256i cospi_p04 = _mm256_set1_epi32(cospi[4]); + __m256i cospi_p28 = _mm256_set1_epi32(cospi[28]); + __m256i cospi_p36 = _mm256_set1_epi32(cospi[36]); + __m256i cospi_p44 = _mm256_set1_epi32(cospi[44]); + __m256i cospi_p20 = _mm256_set1_epi32(cospi[20]); + __m256i cospi_p12 = _mm256_set1_epi32(cospi[12]); + __m256i cospi_p52 = _mm256_set1_epi32(cospi[52]); + __m256i cospi_m04 = _mm256_set1_epi32(-cospi[4]); + __m256i cospi_m60 = _mm256_set1_epi32(-cospi[60]); + __m256i cospi_m36 = _mm256_set1_epi32(-cospi[36]); + __m256i cospi_m28 = _mm256_set1_epi32(-cospi[28]); + __m256i cospi_m20 = _mm256_set1_epi32(-cospi[20]); + __m256i cospi_m44 = _mm256_set1_epi32(-cospi[44]); + __m256i cospi_m52 = _mm256_set1_epi32(-cospi[52]); + __m256i cospi_m12 = _mm256_set1_epi32(-cospi[12]); + + x8[0] = x7[0]; + x8[1] = x7[1]; + x8[2] = x7[2]; + x8[3] = x7[3]; + x8[4] = x7[4]; + x8[5] = x7[5]; + x8[6] = x7[6]; + x8[7] = x7[7]; + + btf_32_type0_avx2_new(cospi_p04, cospi_p60, x7[15], x7[8], x8[8], x8[15], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p36, cospi_p28, x7[14], x7[9], x8[9], x8[14], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p20, cospi_p44, x7[13], x7[10], x8[10], x8[13], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p52, cospi_p12, x7[12], x7[11], x8[11], x8[12], + *__rounding, cos_bit); + x8[16] = _mm256_add_epi32(x7[16], x7[17]); + x8[17] = _mm256_sub_epi32(x7[16], x7[17]); + x8[18] = _mm256_sub_epi32(x7[19], x7[18]); + x8[19] = _mm256_add_epi32(x7[19], x7[18]); + x8[20] = _mm256_add_epi32(x7[20], x7[21]); + x8[21] = _mm256_sub_epi32(x7[20], x7[21]); + x8[22] = _mm256_sub_epi32(x7[23], x7[22]); + x8[23] = _mm256_add_epi32(x7[23], x7[22]); + x8[24] = _mm256_add_epi32(x7[24], x7[25]); + x8[25] = _mm256_sub_epi32(x7[24], x7[25]); + x8[26] = _mm256_sub_epi32(x7[27], x7[26]); + x8[27] = _mm256_add_epi32(x7[27], x7[26]); + x8[28] = _mm256_add_epi32(x7[28], x7[29]); + x8[29] = _mm256_sub_epi32(x7[28], x7[29]); + x8[30] = _mm256_sub_epi32(x7[31], x7[30]); + x8[31] = _mm256_add_epi32(x7[31], x7[30]); + x8[32] = x7[32]; + btf_32_type0_avx2_new(cospi_m04, cospi_p60, x7[33], x7[62], x8[33], x8[62], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_m60, cospi_m04, x7[34], x7[61], x8[34], x8[61], + *__rounding, cos_bit); + x8[35] = x7[35]; + x8[36] = x7[36]; + btf_32_type0_avx2_new(cospi_m36, cospi_p28, x7[37], x7[58], x8[37], x8[58], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_m28, cospi_m36, x7[38], x7[57], x8[38], x8[57], + *__rounding, cos_bit); + x8[39] = x7[39]; + x8[40] = x7[40]; + btf_32_type0_avx2_new(cospi_m20, cospi_p44, x7[41], x7[54], x8[41], x8[54], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_m44, cospi_m20, x7[42], x7[53], x8[42], x8[53], + *__rounding, cos_bit); + x8[43] = x7[43]; + x8[44] = x7[44]; + btf_32_type0_avx2_new(cospi_m52, cospi_p12, x7[45], x7[50], x8[45], x8[50], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_m12, cospi_m52, x7[46], x7[49], x8[46], x8[49], + *__rounding, cos_bit); + x8[47] = x7[47]; + x8[48] = x7[48]; + x8[51] = x7[51]; + x8[52] = x7[52]; + x8[55] = x7[55]; + x8[56] = x7[56]; + x8[59] = x7[59]; + x8[60] = x7[60]; + x8[63] = x7[63]; +} +static INLINE void fdct64_stage9_avx2(__m256i *x8, __m256i *x9, + const int32_t *cospi, + const __m256i *__rounding, + int8_t cos_bit) { + __m256i cospi_p62 = _mm256_set1_epi32(cospi[62]); + __m256i cospi_p02 = _mm256_set1_epi32(cospi[2]); + __m256i cospi_p30 = _mm256_set1_epi32(cospi[30]); + __m256i cospi_p34 = _mm256_set1_epi32(cospi[34]); + __m256i cospi_p46 = _mm256_set1_epi32(cospi[46]); + __m256i cospi_p18 = _mm256_set1_epi32(cospi[18]); + __m256i cospi_p14 = _mm256_set1_epi32(cospi[14]); + __m256i cospi_p50 = _mm256_set1_epi32(cospi[50]); + __m256i cospi_p54 = _mm256_set1_epi32(cospi[54]); + __m256i cospi_p10 = _mm256_set1_epi32(cospi[10]); + __m256i cospi_p22 = _mm256_set1_epi32(cospi[22]); + __m256i cospi_p42 = _mm256_set1_epi32(cospi[42]); + __m256i cospi_p38 = _mm256_set1_epi32(cospi[38]); + __m256i cospi_p26 = _mm256_set1_epi32(cospi[26]); + __m256i cospi_p06 = _mm256_set1_epi32(cospi[6]); + __m256i cospi_p58 = _mm256_set1_epi32(cospi[58]); + + x9[0] = x8[0]; + x9[1] = x8[1]; + x9[2] = x8[2]; + x9[3] = x8[3]; + x9[4] = x8[4]; + x9[5] = x8[5]; + x9[6] = x8[6]; + x9[7] = x8[7]; + x9[8] = x8[8]; + x9[9] = x8[9]; + x9[10] = x8[10]; + x9[11] = x8[11]; + x9[12] = x8[12]; + x9[13] = x8[13]; + x9[14] = x8[14]; + x9[15] = x8[15]; + btf_32_type0_avx2_new(cospi_p02, cospi_p62, x8[31], x8[16], x9[16], x9[31], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p34, cospi_p30, x8[30], x8[17], x9[17], x9[30], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p18, cospi_p46, x8[29], x8[18], x9[18], x9[29], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p50, cospi_p14, x8[28], x8[19], x9[19], x9[28], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p10, cospi_p54, x8[27], x8[20], x9[20], x9[27], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p42, cospi_p22, x8[26], x8[21], x9[21], x9[26], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p26, cospi_p38, x8[25], x8[22], x9[22], x9[25], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p58, cospi_p06, x8[24], x8[23], x9[23], x9[24], + *__rounding, cos_bit); + x9[32] = _mm256_add_epi32(x8[32], x8[33]); + x9[33] = _mm256_sub_epi32(x8[32], x8[33]); + x9[34] = _mm256_sub_epi32(x8[35], x8[34]); + x9[35] = _mm256_add_epi32(x8[35], x8[34]); + x9[36] = _mm256_add_epi32(x8[36], x8[37]); + x9[37] = _mm256_sub_epi32(x8[36], x8[37]); + x9[38] = _mm256_sub_epi32(x8[39], x8[38]); + x9[39] = _mm256_add_epi32(x8[39], x8[38]); + x9[40] = _mm256_add_epi32(x8[40], x8[41]); + x9[41] = _mm256_sub_epi32(x8[40], x8[41]); + x9[42] = _mm256_sub_epi32(x8[43], x8[42]); + x9[43] = _mm256_add_epi32(x8[43], x8[42]); + x9[44] = _mm256_add_epi32(x8[44], x8[45]); + x9[45] = _mm256_sub_epi32(x8[44], x8[45]); + x9[46] = _mm256_sub_epi32(x8[47], x8[46]); + x9[47] = _mm256_add_epi32(x8[47], x8[46]); + x9[48] = _mm256_add_epi32(x8[48], x8[49]); + x9[49] = _mm256_sub_epi32(x8[48], x8[49]); + x9[50] = _mm256_sub_epi32(x8[51], x8[50]); + x9[51] = _mm256_add_epi32(x8[51], x8[50]); + x9[52] = _mm256_add_epi32(x8[52], x8[53]); + x9[53] = _mm256_sub_epi32(x8[52], x8[53]); + x9[54] = _mm256_sub_epi32(x8[55], x8[54]); + x9[55] = _mm256_add_epi32(x8[55], x8[54]); + x9[56] = _mm256_add_epi32(x8[56], x8[57]); + x9[57] = _mm256_sub_epi32(x8[56], x8[57]); + x9[58] = _mm256_sub_epi32(x8[59], x8[58]); + x9[59] = _mm256_add_epi32(x8[59], x8[58]); + x9[60] = _mm256_add_epi32(x8[60], x8[61]); + x9[61] = _mm256_sub_epi32(x8[60], x8[61]); + x9[62] = _mm256_sub_epi32(x8[63], x8[62]); + x9[63] = _mm256_add_epi32(x8[63], x8[62]); +} +static INLINE void fdct64_stage10_avx2(__m256i *x9, __m256i *x10, + const int32_t *cospi, + const __m256i *__rounding, + int8_t cos_bit) { + __m256i cospi_p63 = _mm256_set1_epi32(cospi[63]); + __m256i cospi_p01 = _mm256_set1_epi32(cospi[1]); + __m256i cospi_p31 = _mm256_set1_epi32(cospi[31]); + __m256i cospi_p33 = _mm256_set1_epi32(cospi[33]); + __m256i cospi_p47 = _mm256_set1_epi32(cospi[47]); + __m256i cospi_p17 = _mm256_set1_epi32(cospi[17]); + __m256i cospi_p15 = _mm256_set1_epi32(cospi[15]); + __m256i cospi_p49 = _mm256_set1_epi32(cospi[49]); + __m256i cospi_p55 = _mm256_set1_epi32(cospi[55]); + __m256i cospi_p09 = _mm256_set1_epi32(cospi[9]); + __m256i cospi_p23 = _mm256_set1_epi32(cospi[23]); + __m256i cospi_p41 = _mm256_set1_epi32(cospi[41]); + __m256i cospi_p39 = _mm256_set1_epi32(cospi[39]); + __m256i cospi_p25 = _mm256_set1_epi32(cospi[25]); + __m256i cospi_p07 = _mm256_set1_epi32(cospi[7]); + __m256i cospi_p57 = _mm256_set1_epi32(cospi[57]); + __m256i cospi_p59 = _mm256_set1_epi32(cospi[59]); + __m256i cospi_p05 = _mm256_set1_epi32(cospi[5]); + __m256i cospi_p27 = _mm256_set1_epi32(cospi[27]); + __m256i cospi_p37 = _mm256_set1_epi32(cospi[37]); + __m256i cospi_p43 = _mm256_set1_epi32(cospi[43]); + __m256i cospi_p21 = _mm256_set1_epi32(cospi[21]); + __m256i cospi_p11 = _mm256_set1_epi32(cospi[11]); + __m256i cospi_p53 = _mm256_set1_epi32(cospi[53]); + __m256i cospi_p51 = _mm256_set1_epi32(cospi[51]); + __m256i cospi_p13 = _mm256_set1_epi32(cospi[13]); + __m256i cospi_p19 = _mm256_set1_epi32(cospi[19]); + __m256i cospi_p45 = _mm256_set1_epi32(cospi[45]); + __m256i cospi_p35 = _mm256_set1_epi32(cospi[35]); + __m256i cospi_p29 = _mm256_set1_epi32(cospi[29]); + __m256i cospi_p03 = _mm256_set1_epi32(cospi[3]); + __m256i cospi_p61 = _mm256_set1_epi32(cospi[61]); + + x10[0] = x9[0]; + x10[1] = x9[1]; + x10[2] = x9[2]; + x10[3] = x9[3]; + x10[4] = x9[4]; + x10[5] = x9[5]; + x10[6] = x9[6]; + x10[7] = x9[7]; + x10[8] = x9[8]; + x10[9] = x9[9]; + x10[10] = x9[10]; + x10[11] = x9[11]; + x10[12] = x9[12]; + x10[13] = x9[13]; + x10[14] = x9[14]; + x10[15] = x9[15]; + x10[16] = x9[16]; + x10[17] = x9[17]; + x10[18] = x9[18]; + x10[19] = x9[19]; + x10[20] = x9[20]; + x10[21] = x9[21]; + x10[22] = x9[22]; + x10[23] = x9[23]; + x10[24] = x9[24]; + x10[25] = x9[25]; + x10[26] = x9[26]; + x10[27] = x9[27]; + x10[28] = x9[28]; + x10[29] = x9[29]; + x10[30] = x9[30]; + x10[31] = x9[31]; + btf_32_type0_avx2_new(cospi_p01, cospi_p63, x9[63], x9[32], x10[32], x10[63], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p33, cospi_p31, x9[62], x9[33], x10[33], x10[62], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p17, cospi_p47, x9[61], x9[34], x10[34], x10[61], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p49, cospi_p15, x9[60], x9[35], x10[35], x10[60], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p09, cospi_p55, x9[59], x9[36], x10[36], x10[59], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p41, cospi_p23, x9[58], x9[37], x10[37], x10[58], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p25, cospi_p39, x9[57], x9[38], x10[38], x10[57], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p57, cospi_p07, x9[56], x9[39], x10[39], x10[56], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p05, cospi_p59, x9[55], x9[40], x10[40], x10[55], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p37, cospi_p27, x9[54], x9[41], x10[41], x10[54], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p21, cospi_p43, x9[53], x9[42], x10[42], x10[53], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p53, cospi_p11, x9[52], x9[43], x10[43], x10[52], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p13, cospi_p51, x9[51], x9[44], x10[44], x10[51], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p45, cospi_p19, x9[50], x9[45], x10[45], x10[50], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p29, cospi_p35, x9[49], x9[46], x10[46], x10[49], + *__rounding, cos_bit); + btf_32_type0_avx2_new(cospi_p61, cospi_p03, x9[48], x9[47], x10[47], x10[48], + *__rounding, cos_bit); +} +static void fdct64_avx2(__m256i *input, __m256i *output, int8_t cos_bit, + const int instride, const int outstride) { + const int32_t *cospi = cospi_arr(cos_bit); + const __m256i __rounding = _mm256_set1_epi32(1 << (cos_bit - 1)); + __m256i cospi_m32 = _mm256_set1_epi32(-cospi[32]); + __m256i cospi_p32 = _mm256_set1_epi32(cospi[32]); + __m256i cospi_m16 = _mm256_set1_epi32(-cospi[16]); + __m256i cospi_p48 = _mm256_set1_epi32(cospi[48]); + __m256i cospi_m48 = _mm256_set1_epi32(-cospi[48]); + __m256i cospi_p16 = _mm256_set1_epi32(cospi[16]); + __m256i cospi_m08 = _mm256_set1_epi32(-cospi[8]); + __m256i cospi_p56 = _mm256_set1_epi32(cospi[56]); + __m256i cospi_m56 = _mm256_set1_epi32(-cospi[56]); + __m256i cospi_m40 = _mm256_set1_epi32(-cospi[40]); + __m256i cospi_p24 = _mm256_set1_epi32(cospi[24]); + __m256i cospi_m24 = _mm256_set1_epi32(-cospi[24]); + __m256i cospi_p08 = _mm256_set1_epi32(cospi[8]); + __m256i cospi_p40 = _mm256_set1_epi32(cospi[40]); + + int startidx = 0 * instride; + int endidx = 63 * instride; + // stage 1 + __m256i x1[64]; + x1[0] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[63] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[1] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[62] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[2] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[61] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[3] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[60] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[4] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[59] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[5] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[58] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[6] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[57] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[7] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[56] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[8] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[55] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[9] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[54] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[10] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[53] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[11] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[52] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[12] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[51] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[13] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[50] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[14] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[49] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[15] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[48] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[16] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[47] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[17] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[46] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[18] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[45] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[19] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[44] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[20] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[43] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[21] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[42] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[22] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[41] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[23] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[40] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[24] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[39] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[25] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[38] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[26] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[37] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[27] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[36] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[28] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[35] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[29] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[34] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[30] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[33] = _mm256_sub_epi32(input[startidx], input[endidx]); + startidx += instride; + endidx -= instride; + x1[31] = _mm256_add_epi32(input[startidx], input[endidx]); + x1[32] = _mm256_sub_epi32(input[startidx], input[endidx]); + + // stage 2 + __m256i x2[64]; + fdct64_stage2_avx2(x1, x2, &cospi_m32, &cospi_p32, &__rounding, cos_bit); + // stage 3 + fdct64_stage3_avx2(x2, x1, &cospi_m32, &cospi_p32, &__rounding, cos_bit); + // stage 4 + fdct64_stage4_avx2(x1, x2, &cospi_m32, &cospi_p32, &cospi_m16, &cospi_p48, + &cospi_m48, &__rounding, cos_bit); + // stage 5 + fdct64_stage5_avx2(x2, x1, &cospi_m32, &cospi_p32, &cospi_m16, &cospi_p48, + &cospi_m48, &__rounding, cos_bit); + // stage 6 + fdct64_stage6_avx2(x1, x2, &cospi_p16, &cospi_p32, &cospi_m16, &cospi_p48, + &cospi_m48, &cospi_m08, &cospi_p56, &cospi_m56, &cospi_m40, + &cospi_p24, &cospi_m24, &__rounding, cos_bit); + // stage 7 + fdct64_stage7_avx2(x2, x1, &cospi_p08, &cospi_p56, &cospi_p40, &cospi_p24, + &cospi_m08, &cospi_m56, &cospi_m40, &cospi_m24, + &__rounding, cos_bit); + // stage 8 + fdct64_stage8_avx2(x1, x2, cospi, &__rounding, cos_bit); + // stage 9 + fdct64_stage9_avx2(x2, x1, cospi, &__rounding, cos_bit); + // stage 10 + fdct64_stage10_avx2(x1, x2, cospi, &__rounding, cos_bit); + + startidx = 0 * outstride; + endidx = 63 * outstride; + + // stage 11 + output[startidx] = x2[0]; + output[endidx] = x2[63]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[32]; + output[endidx] = x2[31]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[16]; + output[endidx] = x2[47]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[48]; + output[endidx] = x2[15]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[8]; + output[endidx] = x2[55]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[40]; + output[endidx] = x2[23]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[24]; + output[endidx] = x2[39]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[56]; + output[endidx] = x2[7]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[4]; + output[endidx] = x2[59]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[36]; + output[endidx] = x2[27]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[20]; + output[endidx] = x2[43]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[52]; + output[endidx] = x2[11]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[12]; + output[endidx] = x2[51]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[44]; + output[endidx] = x2[19]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[28]; + output[endidx] = x2[35]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[60]; + output[endidx] = x2[3]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[2]; + output[endidx] = x2[61]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[34]; + output[endidx] = x2[29]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[18]; + output[endidx] = x2[45]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[50]; + output[endidx] = x2[13]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[10]; + output[endidx] = x2[53]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[42]; + output[endidx] = x2[21]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[26]; + output[endidx] = x2[37]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[58]; + output[endidx] = x2[5]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[6]; + output[endidx] = x2[57]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[38]; + output[endidx] = x2[25]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[22]; + output[endidx] = x2[41]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[54]; + output[endidx] = x2[9]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[14]; + output[endidx] = x2[49]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[46]; + output[endidx] = x2[17]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[30]; + output[endidx] = x2[33]; + startidx += outstride; + endidx -= outstride; + output[startidx] = x2[62]; + output[endidx] = x2[1]; +} +void av1_fwd_txfm2d_64x64_avx2(const int16_t *input, int32_t *output, + int stride, TX_TYPE tx_type, int bd) { + (void)bd; + (void)tx_type; + assert(tx_type == DCT_DCT); + const TX_SIZE tx_size = TX_64X64; + __m256i buf0[512], buf1[512]; + const int8_t *shift = av1_fwd_txfm_shift_ls[tx_size]; + const int txw_idx = get_txw_idx(tx_size); + const int txh_idx = get_txh_idx(tx_size); + const int cos_bit_col = av1_fwd_cos_bit_col[txw_idx][txh_idx]; + const int cos_bit_row = av1_fwd_cos_bit_row[txw_idx][txh_idx]; + const int width = tx_size_wide[tx_size]; + const int height = tx_size_high[tx_size]; + const transform_1d_avx2 col_txfm = fdct64_avx2; + const transform_1d_avx2 row_txfm = fdct64_avx2; + const int width_div16 = (width >> 4); + const int width_div8 = (width >> 3); + int r, c; + for (int i = 0; i < width_div16; i++) { + load_buffer_16xn_avx2(input + (i << 4), &buf0[i << 1], stride, height, + width_div8, 0, 0); + round_shift_32_8xn_avx2(&buf0[i << 1], height, shift[0], width_div8); + round_shift_32_8xn_avx2(&buf0[(i << 1) + 1], height, shift[0], width_div8); + col_txfm(&buf0[i << 1], &buf0[i << 1], cos_bit_col, width_div8, width_div8); + col_txfm(&buf0[(i << 1) + 1], &buf0[(i << 1) + 1], cos_bit_col, width_div8, + width_div8); + round_shift_32_8xn_avx2(&buf0[i << 1], height, shift[1], width_div8); + round_shift_32_8xn_avx2(&buf0[(i << 1) + 1], height, shift[1], width_div8); + } + + for (r = 0; r < height; r += 8) { + for (c = 0; c < width_div8; c++) { + fwd_txfm_transpose_8x8_avx2(&buf0[r * width_div8 + c], + &buf1[c * 8 * width_div8 + (r >> 3)], + width_div8, width_div8); + } + } + + for (int i = 0; i < 2; i++) { + row_txfm(&buf1[i << 1], &buf0[i << 1], cos_bit_row, width_div8, + width_div16); + row_txfm(&buf1[(i << 1) + 1], &buf0[(i << 1) + 1], cos_bit_row, width_div8, + width_div16); + round_shift_32_8xn_avx2(&buf0[i << 1], (height >> 1), shift[2], + width_div16); + round_shift_32_8xn_avx2(&buf0[(i << 1) + 1], (height >> 1), shift[2], + width_div16); + } + + store_buffer_avx2(buf0, output, 8, 128); +} |