diff options
Diffstat (limited to 'third_party/aom/aom_dsp/x86/txfm_common_avx2.h')
-rw-r--r-- | third_party/aom/aom_dsp/x86/txfm_common_avx2.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/txfm_common_avx2.h b/third_party/aom/aom_dsp/x86/txfm_common_avx2.h new file mode 100644 index 000000000..39e9b8e2a --- /dev/null +++ b/third_party/aom/aom_dsp/x86/txfm_common_avx2.h @@ -0,0 +1,204 @@ +/* + * Copyright (c) 2016, 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_DSP_X86_TXFM_COMMON_AVX2_H +#define AOM_DSP_X86_TXFM_COMMON_AVX2_H + +#include <immintrin.h> + +#include "aom_dsp/txfm_common.h" + +#define pair256_set_epi16(a, b) \ + _mm256_set_epi16((int16_t)(b), (int16_t)(a), (int16_t)(b), (int16_t)(a), \ + (int16_t)(b), (int16_t)(a), (int16_t)(b), (int16_t)(a), \ + (int16_t)(b), (int16_t)(a), (int16_t)(b), (int16_t)(a), \ + (int16_t)(b), (int16_t)(a), (int16_t)(b), (int16_t)(a)) + +#define pair256_set_epi32(a, b) \ + _mm256_set_epi32((int)(b), (int)(a), (int)(b), (int)(a), (int)(b), (int)(a), \ + (int)(b), (int)(a)) + +static INLINE void mm256_reverse_epi16(__m256i *u) { + const __m256i control = _mm256_set_epi16( + 0x0100, 0x0302, 0x0504, 0x0706, 0x0908, 0x0B0A, 0x0D0C, 0x0F0E, 0x0100, + 0x0302, 0x0504, 0x0706, 0x0908, 0x0B0A, 0x0D0C, 0x0F0E); + __m256i v = _mm256_shuffle_epi8(*u, control); + *u = _mm256_permute2x128_si256(v, v, 1); +} + +static INLINE void mm256_transpose_16x16(__m256i *in) { + __m256i tr0_0 = _mm256_unpacklo_epi16(in[0], in[1]); + __m256i tr0_1 = _mm256_unpackhi_epi16(in[0], in[1]); + __m256i tr0_2 = _mm256_unpacklo_epi16(in[2], in[3]); + __m256i tr0_3 = _mm256_unpackhi_epi16(in[2], in[3]); + __m256i tr0_4 = _mm256_unpacklo_epi16(in[4], in[5]); + __m256i tr0_5 = _mm256_unpackhi_epi16(in[4], in[5]); + __m256i tr0_6 = _mm256_unpacklo_epi16(in[6], in[7]); + __m256i tr0_7 = _mm256_unpackhi_epi16(in[6], in[7]); + + __m256i tr0_8 = _mm256_unpacklo_epi16(in[8], in[9]); + __m256i tr0_9 = _mm256_unpackhi_epi16(in[8], in[9]); + __m256i tr0_a = _mm256_unpacklo_epi16(in[10], in[11]); + __m256i tr0_b = _mm256_unpackhi_epi16(in[10], in[11]); + __m256i tr0_c = _mm256_unpacklo_epi16(in[12], in[13]); + __m256i tr0_d = _mm256_unpackhi_epi16(in[12], in[13]); + __m256i tr0_e = _mm256_unpacklo_epi16(in[14], in[15]); + __m256i tr0_f = _mm256_unpackhi_epi16(in[14], in[15]); + + // 00 10 01 11 02 12 03 13 08 18 09 19 0a 1a 0b 1b + // 04 14 05 15 06 16 07 17 0c 1c 0d 1d 0e 1e 0f 1f + // 20 30 21 31 22 32 23 33 28 38 29 39 2a 3a 2b 3b + // 24 34 25 35 26 36 27 37 2c 3c 2d 3d 2e 3e 2f 3f + // 40 50 41 51 42 52 43 53 48 58 49 59 4a 5a 4b 5b + // 44 54 45 55 46 56 47 57 4c 5c 4d 5d 4e 5e 4f 5f + // 60 70 61 71 62 72 63 73 68 78 69 79 6a 7a 6b 7b + // 64 74 65 75 66 76 67 77 6c 7c 6d 7d 6e 7e 6f 7f + + // 80 90 81 91 82 92 83 93 88 98 89 99 8a 9a 8b 9b + // 84 94 85 95 86 96 87 97 8c 9c 8d 9d 8e 9e 8f 9f + // a0 b0 a1 b1 a2 b2 a3 b3 a8 b8 a9 b9 aa ba ab bb + // a4 b4 a5 b5 a6 b6 a7 b7 ac bc ad bd ae be af bf + // c0 d0 c1 d1 c2 d2 c3 d3 c8 d8 c9 d9 ca da cb db + // c4 d4 c5 d5 c6 d6 c7 d7 cc dc cd dd ce de cf df + // e0 f0 e1 f1 e2 f2 e3 f3 e8 f8 e9 f9 ea fa eb fb + // e4 f4 e5 f5 e6 f6 e7 f7 ec fc ed fd ee fe ef ff + + __m256i tr1_0 = _mm256_unpacklo_epi32(tr0_0, tr0_2); + __m256i tr1_1 = _mm256_unpackhi_epi32(tr0_0, tr0_2); + __m256i tr1_2 = _mm256_unpacklo_epi32(tr0_1, tr0_3); + __m256i tr1_3 = _mm256_unpackhi_epi32(tr0_1, tr0_3); + __m256i tr1_4 = _mm256_unpacklo_epi32(tr0_4, tr0_6); + __m256i tr1_5 = _mm256_unpackhi_epi32(tr0_4, tr0_6); + __m256i tr1_6 = _mm256_unpacklo_epi32(tr0_5, tr0_7); + __m256i tr1_7 = _mm256_unpackhi_epi32(tr0_5, tr0_7); + + __m256i tr1_8 = _mm256_unpacklo_epi32(tr0_8, tr0_a); + __m256i tr1_9 = _mm256_unpackhi_epi32(tr0_8, tr0_a); + __m256i tr1_a = _mm256_unpacklo_epi32(tr0_9, tr0_b); + __m256i tr1_b = _mm256_unpackhi_epi32(tr0_9, tr0_b); + __m256i tr1_c = _mm256_unpacklo_epi32(tr0_c, tr0_e); + __m256i tr1_d = _mm256_unpackhi_epi32(tr0_c, tr0_e); + __m256i tr1_e = _mm256_unpacklo_epi32(tr0_d, tr0_f); + __m256i tr1_f = _mm256_unpackhi_epi32(tr0_d, tr0_f); + + // 00 10 20 30 01 11 21 31 08 18 28 38 09 19 29 39 + // 02 12 22 32 03 13 23 33 0a 1a 2a 3a 0b 1b 2b 3b + // 04 14 24 34 05 15 25 35 0c 1c 2c 3c 0d 1d 2d 3d + // 06 16 26 36 07 17 27 37 0e 1e 2e 3e 0f 1f 2f 3f + // 40 50 60 70 41 51 61 71 48 58 68 78 49 59 69 79 + // 42 52 62 72 43 53 63 73 4a 5a 6a 7a 4b 5b 6b 7b + // 44 54 64 74 45 55 65 75 4c 5c 6c 7c 4d 5d 6d 7d + // 46 56 66 76 47 57 67 77 4e 5e 6e 7e 4f 5f 6f 7f + + // 80 90 a0 b0 81 91 a1 b1 88 98 a8 b8 89 99 a9 b9 + // 82 92 a2 b2 83 93 a3 b3 8a 9a aa ba 8b 9b ab bb + // 84 94 a4 b4 85 95 a5 b5 8c 9c ac bc 8d 9d ad bd + // 86 96 a6 b6 87 97 a7 b7 8e ae 9e be 8f 9f af bf + // c0 d0 e0 f0 c1 d1 e1 f1 c8 d8 e8 f8 c9 d9 e9 f9 + // c2 d2 e2 f2 c3 d3 e3 f3 ca da ea fa cb db eb fb + // c4 d4 e4 f4 c5 d5 e5 f5 cc dc ef fc cd dd ed fd + // c6 d6 e6 f6 c7 d7 e7 f7 ce de ee fe cf df ef ff + + tr0_0 = _mm256_unpacklo_epi64(tr1_0, tr1_4); + tr0_1 = _mm256_unpackhi_epi64(tr1_0, tr1_4); + tr0_2 = _mm256_unpacklo_epi64(tr1_1, tr1_5); + tr0_3 = _mm256_unpackhi_epi64(tr1_1, tr1_5); + tr0_4 = _mm256_unpacklo_epi64(tr1_2, tr1_6); + tr0_5 = _mm256_unpackhi_epi64(tr1_2, tr1_6); + tr0_6 = _mm256_unpacklo_epi64(tr1_3, tr1_7); + tr0_7 = _mm256_unpackhi_epi64(tr1_3, tr1_7); + + tr0_8 = _mm256_unpacklo_epi64(tr1_8, tr1_c); + tr0_9 = _mm256_unpackhi_epi64(tr1_8, tr1_c); + tr0_a = _mm256_unpacklo_epi64(tr1_9, tr1_d); + tr0_b = _mm256_unpackhi_epi64(tr1_9, tr1_d); + tr0_c = _mm256_unpacklo_epi64(tr1_a, tr1_e); + tr0_d = _mm256_unpackhi_epi64(tr1_a, tr1_e); + tr0_e = _mm256_unpacklo_epi64(tr1_b, tr1_f); + tr0_f = _mm256_unpackhi_epi64(tr1_b, tr1_f); + + // 00 10 20 30 40 50 60 70 08 18 28 38 48 58 68 78 + // 01 11 21 31 41 51 61 71 09 19 29 39 49 59 69 79 + // 02 12 22 32 42 52 62 72 0a 1a 2a 3a 4a 5a 6a 7a + // 03 13 23 33 43 53 63 73 0b 1b 2b 3b 4b 5b 6b 7b + // 04 14 24 34 44 54 64 74 0c 1c 2c 3c 4c 5c 6c 7c + // 05 15 25 35 45 55 65 75 0d 1d 2d 3d 4d 5d 6d 7d + // 06 16 26 36 46 56 66 76 0e 1e 2e 3e 4e 5e 6e 7e + // 07 17 27 37 47 57 67 77 0f 1f 2f 3f 4f 5f 6f 7f + + // 80 90 a0 b0 c0 d0 e0 f0 88 98 a8 b8 c8 d8 e8 f8 + // 81 91 a1 b1 c1 d1 e1 f1 89 99 a9 b9 c9 d9 e9 f9 + // 82 92 a2 b2 c2 d2 e2 f2 8a 9a aa ba ca da ea fa + // 83 93 a3 b3 c3 d3 e3 f3 8b 9b ab bb cb db eb fb + // 84 94 a4 b4 c4 d4 e4 f4 8c 9c ac bc cc dc ef fc + // 85 95 a5 b5 c5 d5 e5 f5 8d 9d ad bd cd dd ed fd + // 86 96 a6 b6 c6 d6 e6 f6 8e ae 9e be ce de ee fe + // 87 97 a7 b7 c7 d7 e7 f7 8f 9f af bf cf df ef ff + + in[0] = _mm256_permute2x128_si256(tr0_0, tr0_8, 0x20); // 0010 0000 + in[8] = _mm256_permute2x128_si256(tr0_0, tr0_8, 0x31); // 0011 0001 + in[1] = _mm256_permute2x128_si256(tr0_1, tr0_9, 0x20); + in[9] = _mm256_permute2x128_si256(tr0_1, tr0_9, 0x31); + in[2] = _mm256_permute2x128_si256(tr0_2, tr0_a, 0x20); + in[10] = _mm256_permute2x128_si256(tr0_2, tr0_a, 0x31); + in[3] = _mm256_permute2x128_si256(tr0_3, tr0_b, 0x20); + in[11] = _mm256_permute2x128_si256(tr0_3, tr0_b, 0x31); + + in[4] = _mm256_permute2x128_si256(tr0_4, tr0_c, 0x20); + in[12] = _mm256_permute2x128_si256(tr0_4, tr0_c, 0x31); + in[5] = _mm256_permute2x128_si256(tr0_5, tr0_d, 0x20); + in[13] = _mm256_permute2x128_si256(tr0_5, tr0_d, 0x31); + in[6] = _mm256_permute2x128_si256(tr0_6, tr0_e, 0x20); + in[14] = _mm256_permute2x128_si256(tr0_6, tr0_e, 0x31); + in[7] = _mm256_permute2x128_si256(tr0_7, tr0_f, 0x20); + in[15] = _mm256_permute2x128_si256(tr0_7, tr0_f, 0x31); +} + +static INLINE __m256i butter_fly(__m256i a0, __m256i a1, const __m256i cospi) { + const __m256i dct_rounding = _mm256_set1_epi32(DCT_CONST_ROUNDING); + __m256i y0 = _mm256_madd_epi16(a0, cospi); + __m256i y1 = _mm256_madd_epi16(a1, cospi); + + y0 = _mm256_add_epi32(y0, dct_rounding); + y1 = _mm256_add_epi32(y1, dct_rounding); + y0 = _mm256_srai_epi32(y0, DCT_CONST_BITS); + y1 = _mm256_srai_epi32(y1, DCT_CONST_BITS); + + return _mm256_packs_epi32(y0, y1); +} + +static INLINE void txfm_scaling16_avx2(const int16_t c, __m256i *in) { + const __m256i zero = _mm256_setzero_si256(); + const __m256i sqrt2_epi16 = _mm256_set1_epi16(c); + const __m256i dct_const_rounding = _mm256_set1_epi32(DCT_CONST_ROUNDING); + __m256i u0, u1; + int i = 0; + + while (i < 16) { + in[i] = _mm256_slli_epi16(in[i], 1); + + u0 = _mm256_unpacklo_epi16(zero, in[i]); + u1 = _mm256_unpackhi_epi16(zero, in[i]); + + u0 = _mm256_madd_epi16(u0, sqrt2_epi16); + u1 = _mm256_madd_epi16(u1, sqrt2_epi16); + + u0 = _mm256_add_epi32(u0, dct_const_rounding); + u1 = _mm256_add_epi32(u1, dct_const_rounding); + + u0 = _mm256_srai_epi32(u0, DCT_CONST_BITS); + u1 = _mm256_srai_epi32(u1, DCT_CONST_BITS); + in[i] = _mm256_packs_epi32(u0, u1); + i++; + } +} + +#endif // AOM_DSP_X86_TXFM_COMMON_AVX2_H |