diff options
Diffstat (limited to 'media/libaom/src/av1/encoder/x86/av1_fwd_txfm_avx2.h')
| -rw-r--r-- | media/libaom/src/av1/encoder/x86/av1_fwd_txfm_avx2.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/media/libaom/src/av1/encoder/x86/av1_fwd_txfm_avx2.h b/media/libaom/src/av1/encoder/x86/av1_fwd_txfm_avx2.h new file mode 100644 index 000000000..38707137c --- /dev/null +++ b/media/libaom/src/av1/encoder/x86/av1_fwd_txfm_avx2.h @@ -0,0 +1,103 @@ +/* + * 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. + */ + +#ifndef AOM_AV1_ENCODER_X86_AV1_FWD_TXFM_AVX2_H_ +#define AOM_AV1_ENCODER_X86_AV1_FWD_TXFM_AVX2_H_ +#include <immintrin.h> + +static INLINE __m256i av1_round_shift_32_avx2(__m256i vec, int bit) { + __m256i tmp, round; + round = _mm256_set1_epi32(1 << (bit - 1)); + tmp = _mm256_add_epi32(vec, round); + return _mm256_srai_epi32(tmp, bit); +} + +// 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_ |