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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/aom_dsp/x86/convolve_sse4_1.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/convolve_sse4_1.h b/third_party/aom/aom_dsp/x86/convolve_sse4_1.h new file mode 100644 index 0000000000..b1a3bb4664 --- /dev/null +++ b/third_party/aom/aom_dsp/x86/convolve_sse4_1.h @@ -0,0 +1,53 @@ +/* + * 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_AOM_DSP_X86_CONVOLVE_SSE4_1_H_ +#define AOM_AOM_DSP_X86_CONVOLVE_SSE4_1_H_ + +// Note: +// This header file should be put below any x86 intrinsics head file + +static INLINE void mult_add_store(CONV_BUF_TYPE *const dst, + const __m128i *const res, + const __m128i *const wt0, + const __m128i *const wt1, + const int do_average) { + __m128i d; + if (do_average) { + d = _mm_load_si128((__m128i *)dst); + d = _mm_add_epi32(_mm_mullo_epi32(d, *wt0), _mm_mullo_epi32(*res, *wt1)); + d = _mm_srai_epi32(d, DIST_PRECISION_BITS); + } else { + d = *res; + } + _mm_store_si128((__m128i *)dst, d); +} + +static INLINE __m128i highbd_comp_avg_sse4_1(const __m128i *const data_ref_0, + const __m128i *const res_unsigned, + const __m128i *const wt0, + const __m128i *const wt1, + const int use_dist_wtd_avg) { + __m128i res; + if (use_dist_wtd_avg) { + const __m128i wt0_res = _mm_mullo_epi32(*data_ref_0, *wt0); + const __m128i wt1_res = _mm_mullo_epi32(*res_unsigned, *wt1); + + const __m128i wt_res = _mm_add_epi32(wt0_res, wt1_res); + res = _mm_srai_epi32(wt_res, DIST_PRECISION_BITS); + } else { + const __m128i wt_res = _mm_add_epi32(*data_ref_0, *res_unsigned); + res = _mm_srai_epi32(wt_res, 1); + } + return res; +} + +#endif // AOM_AOM_DSP_X86_CONVOLVE_SSE4_1_H_ |