| /* |
| * 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_COMMON_INTRIN_H_ |
| #define AOM_AOM_DSP_X86_CONVOLVE_COMMON_INTRIN_H_ |
| |
| // Note: |
| // This header file should be put below any x86 intrinsics head file |
| |
| static inline void add_store(CONV_BUF_TYPE *const dst, const __m128i *const res, |
| const int do_average) { |
| __m128i d; |
| if (do_average) { |
| d = _mm_load_si128((__m128i *)dst); |
| d = _mm_add_epi32(d, *res); |
| d = _mm_srai_epi32(d, 1); |
| } else { |
| d = *res; |
| } |
| _mm_store_si128((__m128i *)dst, d); |
| } |
| |
| static inline void prepare_coeffs_12tap(const InterpFilterParams *filter_params, |
| int subpel_q4, |
| __m128i *coeffs /* [6] */) { |
| const int16_t *const y_filter = av1_get_interp_filter_subpel_kernel( |
| filter_params, subpel_q4 & SUBPEL_MASK); |
| |
| __m128i coeffs_y = _mm_loadu_si128((__m128i *)y_filter); |
| |
| coeffs[0] = _mm_shuffle_epi32(coeffs_y, 0); // coeffs 0 1 0 1 0 1 0 1 |
| coeffs[1] = _mm_shuffle_epi32(coeffs_y, 85); // coeffs 2 3 2 3 2 3 2 3 |
| coeffs[2] = _mm_shuffle_epi32(coeffs_y, 170); // coeffs 4 5 4 5 4 5 4 5 |
| coeffs[3] = _mm_shuffle_epi32(coeffs_y, 255); // coeffs 6 7 6 7 6 7 6 7 |
| |
| coeffs_y = _mm_loadl_epi64((__m128i *)(y_filter + 8)); |
| |
| coeffs[4] = _mm_shuffle_epi32(coeffs_y, 0); // coeffs 8 9 8 9 8 9 8 9 |
| coeffs[5] = |
| _mm_shuffle_epi32(coeffs_y, 85); // coeffs 10 11 10 11 10 11 10 11 |
| } |
| |
| static inline __m128i convolve_12tap(const __m128i *s, const __m128i *coeffs) { |
| const __m128i d0 = _mm_madd_epi16(s[0], coeffs[0]); |
| const __m128i d1 = _mm_madd_epi16(s[1], coeffs[1]); |
| const __m128i d2 = _mm_madd_epi16(s[2], coeffs[2]); |
| const __m128i d3 = _mm_madd_epi16(s[3], coeffs[3]); |
| const __m128i d4 = _mm_madd_epi16(s[4], coeffs[4]); |
| const __m128i d5 = _mm_madd_epi16(s[5], coeffs[5]); |
| const __m128i d_0123 = |
| _mm_add_epi32(_mm_add_epi32(d0, d1), _mm_add_epi32(d2, d3)); |
| const __m128i d = _mm_add_epi32(_mm_add_epi32(d4, d5), d_0123); |
| return d; |
| } |
| |
| static inline __m128i convolve_lo_x_12tap(const __m128i *s, |
| const __m128i *coeffs, |
| const __m128i zero) { |
| __m128i ss[6]; |
| ss[0] = _mm_unpacklo_epi8(s[0], zero); // 0 1 1 2 2 3 3 4 |
| ss[1] = _mm_unpacklo_epi8(s[1], zero); // 2 3 3 4 4 5 5 6 |
| ss[2] = _mm_unpacklo_epi8(s[2], zero); // 4 5 5 6 6 7 7 8 |
| ss[3] = _mm_unpacklo_epi8(s[3], zero); // 6 7 7 8 8 9 9 10 |
| ss[4] = _mm_unpackhi_epi8(s[2], zero); // 8 9 9 10 10 11 11 12 |
| ss[5] = _mm_unpackhi_epi8(s[3], zero); // 10 11 11 12 12 13 13 14 |
| return convolve_12tap(ss, coeffs); |
| } |
| |
| static inline __m128i convolve_lo_y_12tap(const __m128i *s, |
| const __m128i *coeffs) { |
| __m128i ss[6]; |
| const __m128i zero = _mm_setzero_si128(); |
| ss[0] = _mm_unpacklo_epi8(s[0], zero); |
| ss[1] = _mm_unpacklo_epi8(s[2], zero); |
| ss[2] = _mm_unpacklo_epi8(s[4], zero); |
| ss[3] = _mm_unpacklo_epi8(s[6], zero); |
| ss[4] = _mm_unpacklo_epi8(s[8], zero); |
| ss[5] = _mm_unpacklo_epi8(s[10], zero); |
| return convolve_12tap(ss, coeffs); |
| } |
| |
| static inline __m128i convolve_hi_y_12tap(const __m128i *s, |
| const __m128i *coeffs) { |
| __m128i ss[6]; |
| const __m128i zero = _mm_setzero_si128(); |
| ss[0] = _mm_unpackhi_epi8(s[0], zero); |
| ss[1] = _mm_unpackhi_epi8(s[2], zero); |
| ss[2] = _mm_unpackhi_epi8(s[4], zero); |
| ss[3] = _mm_unpackhi_epi8(s[6], zero); |
| ss[4] = _mm_unpackhi_epi8(s[8], zero); |
| ss[5] = _mm_unpackhi_epi8(s[10], zero); |
| return convolve_12tap(ss, coeffs); |
| } |
| #endif // AOM_AOM_DSP_X86_CONVOLVE_COMMON_INTRIN_H_ |