| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. If the |
| * Alliance for Open Media Patent License 1.0 was not distributed with this |
| * source code in the PATENTS file, you can obtain it at |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #ifndef AOM_AV1_ENCODER_X86_AV1_FWD_TXFM_AVX2_H_ |
| #define AOM_AV1_ENCODER_X86_AV1_FWD_TXFM_AVX2_H_ |
| #include <immintrin.h> |
| |
| // out0 = in0*w0 + in1*w1 |
| // out1 = -in1*w0 + in0*w1 |
| static INLINE void btf_32_avx2_type0(const int32_t w0, const int32_t w1, |
| __m256i *in0, __m256i *in1, |
| const __m256i _r, const int32_t cos_bit) { |
| __m256i _in0 = *in0; |
| __m256i _in1 = *in1; |
| 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); |
| __m256i temp0 = _mm256_add_epi32(in0_w0, in1_w1); |
| temp0 = _mm256_add_epi32(temp0, _r); |
| *in0 = _mm256_srai_epi32(temp0, cos_bit); |
| const __m256i in0_w1 = _mm256_mullo_epi32(_in0, ww1); |
| const __m256i in1_w0 = _mm256_mullo_epi32(_in1, ww0); |
| __m256i temp1 = _mm256_sub_epi32(in0_w1, in1_w0); |
| temp1 = _mm256_add_epi32(temp1, _r); |
| *in1 = _mm256_srai_epi32(temp1, cos_bit); |
| } |
| |
| static INLINE void btf_32_avx2_type1(const int32_t w0, const int32_t w1, |
| __m256i *in0, __m256i *in1, |
| const __m256i _r, const int32_t cos_bit) { |
| __m256i _in0 = *in0; |
| __m256i _in1 = *in1; |
| 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); |
| __m256i temp0 = _mm256_add_epi32(in0_w0, in1_w1); |
| temp0 = _mm256_add_epi32(temp0, _r); |
| *in0 = _mm256_srai_epi32(temp0, cos_bit); |
| const __m256i in0_w1 = _mm256_mullo_epi32(_in0, ww1); |
| const __m256i in1_w0 = _mm256_mullo_epi32(_in1, ww0); |
| __m256i temp1 = _mm256_sub_epi32(in1_w0, in0_w1); |
| temp1 = _mm256_add_epi32(temp1, _r); |
| *in1 = _mm256_srai_epi32(temp1, cos_bit); |
| } |
| |
| // out0 = in0*w0 + in1*w1 |
| // out1 = -in1*w0 + in0*w1 |
| static INLINE void btf_32_avx2_type0_new(const __m256i ww0, const __m256i ww1, |
| __m256i *in0, __m256i *in1, |
| const __m256i _r, |
| const int32_t cos_bit) { |
| __m256i _in0 = *in0; |
| __m256i _in1 = *in1; |
| const __m256i in0_w0 = _mm256_mullo_epi32(_in0, ww0); |
| const __m256i in1_w1 = _mm256_mullo_epi32(_in1, ww1); |
| __m256i temp0 = _mm256_add_epi32(in0_w0, in1_w1); |
| temp0 = _mm256_add_epi32(temp0, _r); |
| *in0 = _mm256_srai_epi32(temp0, cos_bit); |
| const __m256i in0_w1 = _mm256_mullo_epi32(_in0, ww1); |
| const __m256i in1_w0 = _mm256_mullo_epi32(_in1, ww0); |
| __m256i temp1 = _mm256_sub_epi32(in0_w1, in1_w0); |
| temp1 = _mm256_add_epi32(temp1, _r); |
| *in1 = _mm256_srai_epi32(temp1, cos_bit); |
| } |
| |
| // out0 = in0*w0 + in1*w1 |
| // out1 = in1*w0 - in0*w1 |
| static INLINE void btf_32_avx2_type1_new(const __m256i ww0, const __m256i ww1, |
| __m256i *in0, __m256i *in1, |
| const __m256i _r, |
| const int32_t cos_bit) { |
| __m256i _in0 = *in0; |
| __m256i _in1 = *in1; |
| const __m256i in0_w0 = _mm256_mullo_epi32(_in0, ww0); |
| const __m256i in1_w1 = _mm256_mullo_epi32(_in1, ww1); |
| __m256i temp0 = _mm256_add_epi32(in0_w0, in1_w1); |
| temp0 = _mm256_add_epi32(temp0, _r); |
| *in0 = _mm256_srai_epi32(temp0, cos_bit); |
| const __m256i in0_w1 = _mm256_mullo_epi32(_in0, ww1); |
| const __m256i in1_w0 = _mm256_mullo_epi32(_in1, ww0); |
| __m256i temp1 = _mm256_sub_epi32(in1_w0, in0_w1); |
| temp1 = _mm256_add_epi32(temp1, _r); |
| *in1 = _mm256_srai_epi32(temp1, cos_bit); |
| } |
| |
| #endif // AOM_AV1_ENCODER_X86_AV1_FWD_TXFM_AVX2_H_ |