diff options
Diffstat (limited to 'third_party/aom/aom_dsp/x86/loopfilter_sse2.c')
| -rw-r--r-- | third_party/aom/aom_dsp/x86/loopfilter_sse2.c | 2385 |
1 files changed, 2385 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/loopfilter_sse2.c b/third_party/aom/aom_dsp/x86/loopfilter_sse2.c new file mode 100644 index 0000000000..9d88b5e493 --- /dev/null +++ b/third_party/aom/aom_dsp/x86/loopfilter_sse2.c @@ -0,0 +1,2385 @@ +/* + * 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. + */ + +#include <emmintrin.h> // SSE2 + +#include "config/aom_dsp_rtcd.h" + +#include "aom_dsp/x86/synonyms.h" +#include "aom_ports/mem.h" +#include "aom_ports/emmintrin_compat.h" + +static INLINE __m128i abs_diff(__m128i a, __m128i b) { + return _mm_or_si128(_mm_subs_epu8(a, b), _mm_subs_epu8(b, a)); +} + +static INLINE void transpose4x8_8x4_low_sse2(__m128i *x0, __m128i *x1, + __m128i *x2, __m128i *x3, + __m128i *d0, __m128i *d1, + __m128i *d2, __m128i *d3) { + // input + // x0 00 01 02 03 04 05 06 07 xx xx xx xx xx xx xx xx + // x1 10 11 12 13 14 15 16 17 xx xx xx xx xx xx xx xx + // x2 20 21 22 23 24 25 26 27 xx xx xx xx xx xx xx xx + // x3 30 31 32 33 34 35 36 37 xx xx xx xx xx xx xx xx + // output + // 00 10 20 30 xx xx xx xx xx xx xx xx xx xx xx xx + // 01 11 21 31 xx xx xx xx xx xx xx xx xx xx xx xx + // 02 12 22 32 xx xx xx xx xx xx xx xx xx xx xx xx + // 03 13 23 33 xx xx xx xx xx xx xx xx xx xx xx xx + + __m128i w0, w1; + + w0 = _mm_unpacklo_epi8( + *x0, *x1); // 00 10 01 11 02 12 03 13 04 14 05 15 06 16 07 17 + w1 = _mm_unpacklo_epi8( + *x2, *x3); // 20 30 21 31 22 32 23 33 24 34 25 35 26 36 27 37 + + *d0 = _mm_unpacklo_epi16( + w0, w1); // 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 + + *d1 = _mm_srli_si128(*d0, + 4); // 01 11 21 31 xx xx xx xx xx xx xx xx xx xx xx xx + *d2 = _mm_srli_si128(*d0, + 8); // 02 12 22 32 xx xx xx xx xx xx xx xx xx xx xx xx + *d3 = _mm_srli_si128(*d0, + 12); // 03 13 23 33 xx xx xx xx xx xx xx xx xx xx xx xx +} + +static INLINE void transpose4x8_8x4_sse2(__m128i *x0, __m128i *x1, __m128i *x2, + __m128i *x3, __m128i *d0, __m128i *d1, + __m128i *d2, __m128i *d3, __m128i *d4, + __m128i *d5, __m128i *d6, + __m128i *d7) { + // input + // x0 00 01 02 03 04 05 06 07 xx xx xx xx xx xx xx xx + // x1 10 11 12 13 14 15 16 17 xx xx xx xx xx xx xx xx + // x2 20 21 22 23 24 25 26 27 xx xx xx xx xx xx xx xx + // x3 30 31 32 33 34 35 36 37 xx xx xx xx xx xx xx xx + // output + // 00 10 20 30 xx xx xx xx xx xx xx xx xx xx xx xx + // 01 11 21 31 xx xx xx xx xx xx xx xx xx xx xx xx + // 02 12 22 32 xx xx xx xx xx xx xx xx xx xx xx xx + // 03 13 23 33 xx xx xx xx xx xx xx xx xx xx xx xx + // 04 14 24 34 xx xx xx xx xx xx xx xx xx xx xx xx + // 05 15 25 35 xx xx xx xx xx xx xx xx xx xx xx xx + // 06 16 26 36 xx xx xx xx xx xx xx xx xx xx xx xx + // 07 17 27 37 xx xx xx xx xx xx xx xx xx xx xx xx + + __m128i w0, w1, ww0, ww1; + + w0 = _mm_unpacklo_epi8( + *x0, *x1); // 00 10 01 11 02 12 03 13 04 14 05 15 06 16 07 17 + w1 = _mm_unpacklo_epi8( + *x2, *x3); // 20 30 21 31 22 32 23 33 24 34 25 35 26 36 27 37 + + ww0 = _mm_unpacklo_epi16( + w0, w1); // 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 + ww1 = _mm_unpackhi_epi16( + w0, w1); // 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37 + + *d0 = ww0; // 00 10 20 30 xx xx xx xx xx xx xx xx xx xx xx xx + *d1 = _mm_srli_si128(ww0, + 4); // 01 11 21 31 xx xx xx xx xx xx xx xx xx xx xx xx + *d2 = _mm_srli_si128(ww0, + 8); // 02 12 22 32 xx xx xx xx xx xx xx xx xx xx xx xx + *d3 = _mm_srli_si128(ww0, + 12); // 03 13 23 33 xx xx xx xx xx xx xx xx xx xx xx xx + + *d4 = ww1; // 04 14 24 34 xx xx xx xx xx xx xx xx xx xx xx xx + *d5 = _mm_srli_si128(ww1, + 4); // 05 15 25 35 xx xx xx xx xx xx xx xx xx xx xx xx + *d6 = _mm_srli_si128(ww1, + 8); // 06 16 26 36 xx xx xx xx xx xx xx xx xx xx xx xx + *d7 = _mm_srli_si128(ww1, + 12); // 07 17 27 37 xx xx xx xx xx xx xx xx xx xx xx xx +} + +static INLINE void transpose8x8_low_sse2(__m128i *x0, __m128i *x1, __m128i *x2, + __m128i *x3, __m128i *x4, __m128i *x5, + __m128i *x6, __m128i *x7, __m128i *d0, + __m128i *d1, __m128i *d2, + __m128i *d3) { + // input + // x0 00 01 02 03 04 05 06 07 + // x1 10 11 12 13 14 15 16 17 + // x2 20 21 22 23 24 25 26 27 + // x3 30 31 32 33 34 35 36 37 + // x4 40 41 42 43 44 45 46 47 + // x5 50 51 52 53 54 55 56 57 + // x6 60 61 62 63 64 65 66 67 + // x7 70 71 72 73 74 75 76 77 + // output + // d0 00 10 20 30 40 50 60 70 xx xx xx xx xx xx xx + // d1 01 11 21 31 41 51 61 71 xx xx xx xx xx xx xx xx + // d2 02 12 22 32 42 52 62 72 xx xx xx xx xx xx xx xx + // d3 03 13 23 33 43 53 63 73 xx xx xx xx xx xx xx xx + + __m128i w0, w1, w2, w3, w4, w5; + + w0 = _mm_unpacklo_epi8( + *x0, *x1); // 00 10 01 11 02 12 03 13 04 14 05 15 06 16 07 17 + + w1 = _mm_unpacklo_epi8( + *x2, *x3); // 20 30 21 31 22 32 23 33 24 34 25 35 26 36 27 37 + + w2 = _mm_unpacklo_epi8( + *x4, *x5); // 40 50 41 51 42 52 43 53 44 54 45 55 46 56 47 57 + + w3 = _mm_unpacklo_epi8( + *x6, *x7); // 60 70 61 71 62 72 63 73 64 74 65 75 66 76 67 77 + + w4 = _mm_unpacklo_epi16( + w0, w1); // 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 + w5 = _mm_unpacklo_epi16( + w2, w3); // 40 50 60 70 41 51 61 71 42 52 62 72 43 53 63 73 + + *d0 = _mm_unpacklo_epi32( + w4, w5); // 00 10 20 30 40 50 60 70 01 11 21 31 41 51 61 71 + *d1 = _mm_srli_si128(*d0, 8); + *d2 = _mm_unpackhi_epi32( + w4, w5); // 02 12 22 32 42 52 62 72 03 13 23 33 43 53 63 73 + *d3 = _mm_srli_si128(*d2, 8); +} + +static INLINE void transpose8x8_sse2(__m128i *x0, __m128i *x1, __m128i *x2, + __m128i *x3, __m128i *x4, __m128i *x5, + __m128i *x6, __m128i *x7, __m128i *d0d1, + __m128i *d2d3, __m128i *d4d5, + __m128i *d6d7) { + __m128i w0, w1, w2, w3, w4, w5, w6, w7; + // x0 00 01 02 03 04 05 06 07 + // x1 10 11 12 13 14 15 16 17 + w0 = _mm_unpacklo_epi8( + *x0, *x1); // 00 10 01 11 02 12 03 13 04 14 05 15 06 16 07 17 + + // x2 20 21 22 23 24 25 26 27 + // x3 30 31 32 33 34 35 36 37 + w1 = _mm_unpacklo_epi8( + *x2, *x3); // 20 30 21 31 22 32 23 33 24 34 25 35 26 36 27 37 + + // x4 40 41 42 43 44 45 46 47 + // x5 50 51 52 53 54 55 56 57 + w2 = _mm_unpacklo_epi8( + *x4, *x5); // 40 50 41 51 42 52 43 53 44 54 45 55 46 56 47 57 + + // x6 60 61 62 63 64 65 66 67 + // x7 70 71 72 73 74 75 76 77 + w3 = _mm_unpacklo_epi8( + *x6, *x7); // 60 70 61 71 62 72 63 73 64 74 65 75 66 76 67 77 + + w4 = _mm_unpacklo_epi16( + w0, w1); // 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 + w5 = _mm_unpacklo_epi16( + w2, w3); // 40 50 60 70 41 51 61 71 42 52 62 72 43 53 63 73 + + *d0d1 = _mm_unpacklo_epi32( + w4, w5); // 00 10 20 30 40 50 60 70 01 11 21 31 41 51 61 71 + *d2d3 = _mm_unpackhi_epi32( + w4, w5); // 02 12 22 32 42 52 62 72 03 13 23 33 43 53 63 73 + + w6 = _mm_unpackhi_epi16( + w0, w1); // 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37 + w7 = _mm_unpackhi_epi16( + w2, w3); // 44 54 64 74 45 55 65 75 46 56 66 76 47 57 67 77 + + *d4d5 = _mm_unpacklo_epi32( + w6, w7); // 04 14 24 34 44 54 64 74 05 15 25 35 45 55 65 75 + *d6d7 = _mm_unpackhi_epi32( + w6, w7); // 06 16 26 36 46 56 66 76 07 17 27 37 47 57 67 77 +} + +static INLINE void transpose16x8_8x16_sse2( + __m128i *x0, __m128i *x1, __m128i *x2, __m128i *x3, __m128i *x4, + __m128i *x5, __m128i *x6, __m128i *x7, __m128i *x8, __m128i *x9, + __m128i *x10, __m128i *x11, __m128i *x12, __m128i *x13, __m128i *x14, + __m128i *x15, __m128i *d0, __m128i *d1, __m128i *d2, __m128i *d3, + __m128i *d4, __m128i *d5, __m128i *d6, __m128i *d7) { + __m128i w0, w1, w2, w3, w4, w5, w6, w7, w8, w9; + __m128i w10, w11, w12, w13, w14, w15; + + w0 = _mm_unpacklo_epi8(*x0, *x1); + w1 = _mm_unpacklo_epi8(*x2, *x3); + w2 = _mm_unpacklo_epi8(*x4, *x5); + w3 = _mm_unpacklo_epi8(*x6, *x7); + + w8 = _mm_unpacklo_epi8(*x8, *x9); + w9 = _mm_unpacklo_epi8(*x10, *x11); + w10 = _mm_unpacklo_epi8(*x12, *x13); + w11 = _mm_unpacklo_epi8(*x14, *x15); + + w4 = _mm_unpacklo_epi16(w0, w1); + w5 = _mm_unpacklo_epi16(w2, w3); + w12 = _mm_unpacklo_epi16(w8, w9); + w13 = _mm_unpacklo_epi16(w10, w11); + + w6 = _mm_unpacklo_epi32(w4, w5); + w7 = _mm_unpackhi_epi32(w4, w5); + w14 = _mm_unpacklo_epi32(w12, w13); + w15 = _mm_unpackhi_epi32(w12, w13); + + // Store first 4-line result + *d0 = _mm_unpacklo_epi64(w6, w14); + *d1 = _mm_unpackhi_epi64(w6, w14); + *d2 = _mm_unpacklo_epi64(w7, w15); + *d3 = _mm_unpackhi_epi64(w7, w15); + + w4 = _mm_unpackhi_epi16(w0, w1); + w5 = _mm_unpackhi_epi16(w2, w3); + w12 = _mm_unpackhi_epi16(w8, w9); + w13 = _mm_unpackhi_epi16(w10, w11); + + w6 = _mm_unpacklo_epi32(w4, w5); + w7 = _mm_unpackhi_epi32(w4, w5); + w14 = _mm_unpacklo_epi32(w12, w13); + w15 = _mm_unpackhi_epi32(w12, w13); + + // Store second 4-line result + *d4 = _mm_unpacklo_epi64(w6, w14); + *d5 = _mm_unpackhi_epi64(w6, w14); + *d6 = _mm_unpacklo_epi64(w7, w15); + *d7 = _mm_unpackhi_epi64(w7, w15); +} + +// this function treats its input as 2 parallel 8x4 matrices, transposes each of +// them independently while flipping the second matrix horizontaly Used for 14 +// taps filter pq pairs inverse +static INLINE void transpose_pq_14_inv_sse2(__m128i *x0, __m128i *x1, + __m128i *x2, __m128i *x3, + __m128i *x4, __m128i *x5, + __m128i *x6, __m128i *x7, + __m128i *pq0, __m128i *pq1, + __m128i *pq2, __m128i *pq3) { + __m128i w10, w11, w12, w13; + __m128i w0, w1, w2, w3, w4, w5; + __m128i d0, d1, d2, d3; + + w0 = _mm_unpacklo_epi8( + *x0, *x1); // p 00 10 01 11 02 12 03 13 04 14 05 15 06 16 07 17 + w1 = _mm_unpacklo_epi8( + *x2, *x3); // p 20 30 21 31 22 32 23 33 24 34 25 35 26 36 27 37 + w2 = _mm_unpacklo_epi8( + *x4, *x5); // p 40 50 41 51 42 52 43 53 44 54 45 55 46 56 47 57 + w3 = _mm_unpacklo_epi8( + *x6, *x7); // p 60 70 61 71 62 72 63 73 64 74 65 75 66 76 67 77 + + w4 = _mm_unpacklo_epi16( + w0, w1); // 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 + w5 = _mm_unpacklo_epi16( + w2, w3); // 40 50 60 70 41 51 61 71 42 52 62 72 43 53 63 73 + + d0 = _mm_unpacklo_epi32( + w4, w5); // 00 10 20 30 40 50 60 70 01 11 21 31 41 51 61 71 + d2 = _mm_unpackhi_epi32( + w4, w5); // 02 12 22 32 42 52 62 72 03 13 23 33 43 53 63 73 + + w10 = _mm_unpacklo_epi8( + *x7, *x6); // q xx xx xx xx xx xx xx xx 00 10 01 11 02 12 03 13 + w11 = _mm_unpacklo_epi8( + *x5, *x4); // q xx xx xx xx xx xx xx xx 20 30 21 31 22 32 23 33 + w12 = _mm_unpacklo_epi8( + *x3, *x2); // q xx xx xx xx xx xx xx xx 40 50 41 51 42 52 43 53 + w13 = _mm_unpacklo_epi8( + *x1, *x0); // q xx xx xx xx xx xx xx xx 60 70 61 71 62 72 63 73 + + w4 = _mm_unpackhi_epi16( + w10, w11); // 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 + w5 = _mm_unpackhi_epi16( + w12, w13); // 40 50 60 70 41 51 61 71 42 52 62 72 43 53 63 73 + + d1 = _mm_unpacklo_epi32( + w4, w5); // 00 10 20 30 40 50 60 70 01 11 21 31 41 51 61 71 + d3 = _mm_unpackhi_epi32( + w4, w5); // 02 12 22 32 42 52 62 72 03 13 23 33 43 53 63 73 + + *pq0 = _mm_unpacklo_epi64(d0, d1); // pq + *pq1 = _mm_unpackhi_epi64(d0, d1); // pq + *pq2 = _mm_unpacklo_epi64(d2, d3); // pq + *pq3 = _mm_unpackhi_epi64(d2, d3); // pq +} + +static INLINE void transpose8x16_16x8_sse2( + __m128i *x0, __m128i *x1, __m128i *x2, __m128i *x3, __m128i *x4, + __m128i *x5, __m128i *x6, __m128i *x7, __m128i *d0d1, __m128i *d2d3, + __m128i *d4d5, __m128i *d6d7, __m128i *d8d9, __m128i *d10d11, + __m128i *d12d13, __m128i *d14d15) { + __m128i w0, w1, w2, w3, w4, w5, w6, w7, w8, w9; + __m128i w10, w11, w12, w13, w14, w15; + + w0 = _mm_unpacklo_epi8(*x0, *x1); + w1 = _mm_unpacklo_epi8(*x2, *x3); + w2 = _mm_unpacklo_epi8(*x4, *x5); + w3 = _mm_unpacklo_epi8(*x6, *x7); + + w8 = _mm_unpackhi_epi8(*x0, *x1); + w9 = _mm_unpackhi_epi8(*x2, *x3); + w10 = _mm_unpackhi_epi8(*x4, *x5); + w11 = _mm_unpackhi_epi8(*x6, *x7); + + w4 = _mm_unpacklo_epi16(w0, w1); + w5 = _mm_unpacklo_epi16(w2, w3); + w12 = _mm_unpacklo_epi16(w8, w9); + w13 = _mm_unpacklo_epi16(w10, w11); + + w6 = _mm_unpacklo_epi32(w4, w5); + w7 = _mm_unpackhi_epi32(w4, w5); + w14 = _mm_unpacklo_epi32(w12, w13); + w15 = _mm_unpackhi_epi32(w12, w13); + + // Store first 4-line result + *d0d1 = _mm_unpacklo_epi64(w6, w14); + *d2d3 = _mm_unpackhi_epi64(w6, w14); + *d4d5 = _mm_unpacklo_epi64(w7, w15); + *d6d7 = _mm_unpackhi_epi64(w7, w15); + + w4 = _mm_unpackhi_epi16(w0, w1); + w5 = _mm_unpackhi_epi16(w2, w3); + w12 = _mm_unpackhi_epi16(w8, w9); + w13 = _mm_unpackhi_epi16(w10, w11); + + w6 = _mm_unpacklo_epi32(w4, w5); + w7 = _mm_unpackhi_epi32(w4, w5); + w14 = _mm_unpacklo_epi32(w12, w13); + w15 = _mm_unpackhi_epi32(w12, w13); + + // Store second 4-line result + *d8d9 = _mm_unpacklo_epi64(w6, w14); + *d10d11 = _mm_unpackhi_epi64(w6, w14); + *d12d13 = _mm_unpacklo_epi64(w7, w15); + *d14d15 = _mm_unpackhi_epi64(w7, w15); +} + +// this function treats its input as 2 parallel 8x4 matrices, transposes each of +// them to 4x8 independently while flipping the second matrix horizontaly. Used +// for 14 taps pq pairs creation +static INLINE void transpose_pq_14_sse2(__m128i *x0, __m128i *x1, __m128i *x2, + __m128i *x3, __m128i *q0p0, + __m128i *q1p1, __m128i *q2p2, + __m128i *q3p3, __m128i *q4p4, + __m128i *q5p5, __m128i *q6p6, + __m128i *q7p7) { + __m128i w0, w1, ww0, ww1, w2, w3, ww2, ww3; + w0 = _mm_unpacklo_epi8( + *x0, *x1); // 00 10 01 11 02 12 03 13 04 14 05 15 06 16 07 17 + w1 = _mm_unpacklo_epi8( + *x2, *x3); // 20 30 21 31 22 32 23 33 24 34 25 35 26 36 27 37 + w2 = _mm_unpackhi_epi8( + *x0, *x1); // 08 18 09 19 010 110 011 111 012 112 013 113 014 114 015 115 + w3 = _mm_unpackhi_epi8( + *x2, *x3); // 28 38 29 39 210 310 211 311 212 312 213 313 214 314 215 315 + + ww0 = _mm_unpacklo_epi16( + w0, w1); // 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 + ww1 = _mm_unpackhi_epi16( + w0, w1); // 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37 + ww2 = _mm_unpacklo_epi16( + w2, w3); // 08 18 28 38 09 19 29 39 010 110 210 310 011 111 211 311 + ww3 = _mm_unpackhi_epi16( + w2, + w3); // 012 112 212 312 013 113 213 313 014 114 214 314 015 115 215 315 + + *q7p7 = _mm_unpacklo_epi32( + ww0, + _mm_srli_si128( + ww3, 12)); // 00 10 20 30 015 115 215 315 xx xx xx xx xx xx xx xx + *q6p6 = _mm_unpackhi_epi32( + _mm_slli_si128(ww0, 4), + ww3); // 01 11 21 31 014 114 214 314 xx xx xx xxxx xx xx xx + *q5p5 = _mm_unpackhi_epi32( + ww0, + _mm_slli_si128( + ww3, 4)); // 02 12 22 32 013 113 213 313 xx xx xx x xx xx xx xxx + *q4p4 = _mm_unpacklo_epi32( + _mm_srli_si128(ww0, 12), + ww3); // 03 13 23 33 012 112 212 312 xx xx xx xx xx xx xx xx + *q3p3 = _mm_unpacklo_epi32( + ww1, + _mm_srli_si128( + ww2, 12)); // 04 14 24 34 011 111 211 311 xx xx xx xx xx xx xx xx + *q2p2 = _mm_unpackhi_epi32( + _mm_slli_si128(ww1, 4), + ww2); // 05 15 25 35 010 110 210 310 xx xx xx xx xx xx xx xx + *q1p1 = _mm_unpackhi_epi32( + ww1, + _mm_slli_si128( + ww2, 4)); // 06 16 26 36 09 19 29 39 xx xx xx xx xx xx xx xx + *q0p0 = _mm_unpacklo_epi32( + _mm_srli_si128(ww1, 12), + ww2); // 07 17 27 37 08 18 28 38 xx xx xx xx xx xx xx xx +} + +static AOM_FORCE_INLINE void filter4_sse2(__m128i *p1p0, __m128i *q1q0, + __m128i *hev, __m128i *mask, + __m128i *qs1qs0, __m128i *ps1ps0) { + __m128i filter, filter2filter1, work; + __m128i ps1ps0_work, qs1qs0_work; + __m128i hev1; + const __m128i t3t4 = + _mm_set_epi8(0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 4, 4, 4, 4); + const __m128i t80 = _mm_set1_epi8(0x80); + const __m128i ff = _mm_cmpeq_epi8(t80, t80); + + ps1ps0_work = _mm_xor_si128(*p1p0, t80); /* ^ 0x80 */ + qs1qs0_work = _mm_xor_si128(*q1q0, t80); + + /* int8_t filter = signed_char_clamp(ps1 - qs1) & hev; */ + work = _mm_subs_epi8(ps1ps0_work, qs1qs0_work); + filter = _mm_and_si128(_mm_srli_si128(work, 4), *hev); + /* filter = signed_char_clamp(filter + 3 * (qs0 - ps0)) & mask; */ + filter = _mm_subs_epi8(filter, work); + filter = _mm_subs_epi8(filter, work); + filter = _mm_subs_epi8(filter, work); /* + 3 * (qs0 - ps0) */ + filter = _mm_and_si128(filter, *mask); /* & mask */ + filter = _mm_unpacklo_epi32(filter, filter); + + /* filter1 = signed_char_clamp(filter + 4) >> 3; */ + /* filter2 = signed_char_clamp(filter + 3) >> 3; */ + filter2filter1 = _mm_adds_epi8(filter, t3t4); /* signed_char_clamp */ + filter2filter1 = + _mm_unpacklo_epi8(filter2filter1, filter2filter1); // goto 16 bit + filter2filter1 = _mm_srai_epi16(filter2filter1, 11); /* >> 3 */ + filter2filter1 = _mm_packs_epi16(filter2filter1, filter2filter1); + + /* filter = ROUND_POWER_OF_TWO(filter1, 1) & ~hev; */ + filter = _mm_subs_epi8(filter2filter1, ff); /* + 1 */ + filter = _mm_unpacklo_epi8(filter, filter); // goto 16 bit + filter = _mm_srai_epi16(filter, 9); /* round */ + filter = _mm_packs_epi16(filter, filter); + filter = _mm_andnot_si128(*hev, filter); + filter = _mm_unpacklo_epi32(filter, filter); + + filter2filter1 = _mm_unpacklo_epi32(filter2filter1, filter); + hev1 = _mm_srli_si128(filter2filter1, 8); + /* signed_char_clamp(qs1 - filter), signed_char_clamp(qs0 - filter1) */ + qs1qs0_work = _mm_subs_epi8(qs1qs0_work, filter2filter1); + /* signed_char_clamp(ps1 + filter), signed_char_clamp(ps0 + filter2) */ + ps1ps0_work = _mm_adds_epi8(ps1ps0_work, hev1); + + *qs1qs0 = _mm_xor_si128(qs1qs0_work, t80); /* ^ 0x80 */ + *ps1ps0 = _mm_xor_si128(ps1ps0_work, t80); /* ^ 0x80 */ +} + +static AOM_FORCE_INLINE void filter4_dual_sse2(__m128i *p1p0, __m128i *q1q0, + __m128i *hev, __m128i *mask, + __m128i *qs1qs0, + __m128i *ps1ps0) { + const __m128i t3t4 = + _mm_set_epi8(3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4); + const __m128i t80 = _mm_set1_epi8(0x80); + __m128i filter, filter2filter1, work; + __m128i ps1ps0_work, qs1qs0_work; + __m128i hev1; + const __m128i ff = _mm_cmpeq_epi8(t80, t80); + + ps1ps0_work = _mm_xor_si128(*p1p0, t80); /* ^ 0x80 */ + qs1qs0_work = _mm_xor_si128(*q1q0, t80); + + /* int8_t filter = signed_char_clamp(ps1 - qs1) & hev; */ + work = _mm_subs_epi8(ps1ps0_work, qs1qs0_work); + filter = _mm_and_si128(_mm_srli_si128(work, 8), *hev); + /* filter = signed_char_clamp(filter + 3 * (qs0 - ps0)) & mask; */ + filter = _mm_subs_epi8(filter, work); + filter = _mm_subs_epi8(filter, work); + filter = _mm_subs_epi8(filter, work); /* + 3 * (qs0 - ps0) */ + filter = _mm_and_si128(filter, *mask); /* & mask */ + filter = _mm_unpacklo_epi64(filter, filter); + + /* filter1 = signed_char_clamp(filter + 4) >> 3; */ + /* filter2 = signed_char_clamp(filter + 3) >> 3; */ + filter2filter1 = _mm_adds_epi8(filter, t3t4); /* signed_char_clamp */ + filter = _mm_unpackhi_epi8(filter2filter1, filter2filter1); + filter2filter1 = _mm_unpacklo_epi8(filter2filter1, filter2filter1); + filter2filter1 = _mm_srai_epi16(filter2filter1, 11); /* >> 3 */ + filter = _mm_srai_epi16(filter, 11); /* >> 3 */ + filter2filter1 = _mm_packs_epi16(filter2filter1, filter); + + /* filter = ROUND_POWER_OF_TWO(filter1, 1) & ~hev; */ + filter = _mm_subs_epi8(filter2filter1, ff); /* + 1 */ + filter = _mm_unpacklo_epi8(filter, filter); + filter = _mm_srai_epi16(filter, 9); /* round */ + filter = _mm_packs_epi16(filter, filter); + filter = _mm_andnot_si128(*hev, filter); + + hev1 = _mm_unpackhi_epi64(filter2filter1, filter); + filter2filter1 = _mm_unpacklo_epi64(filter2filter1, filter); + + /* signed_char_clamp(qs1 - filter), signed_char_clamp(qs0 - filter1) */ + qs1qs0_work = _mm_subs_epi8(qs1qs0_work, filter2filter1); + /* signed_char_clamp(ps1 + filter), signed_char_clamp(ps0 + filter2) */ + ps1ps0_work = _mm_adds_epi8(ps1ps0_work, hev1); + *qs1qs0 = _mm_xor_si128(qs1qs0_work, t80); /* ^ 0x80 */ + *ps1ps0 = _mm_xor_si128(ps1ps0_work, t80); /* ^ 0x80 */ +} + +static AOM_FORCE_INLINE void lpf_internal_4_sse2( + __m128i *p1, __m128i *p0, __m128i *q0, __m128i *q1, __m128i *limit, + __m128i *thresh, __m128i *q1q0_out, __m128i *p1p0_out) { + __m128i q1p1, q0p0, p1p0, q1q0; + __m128i abs_p0q0, abs_p1q1; + __m128i mask, flat, hev; + const __m128i zero = _mm_setzero_si128(); + + q1p1 = _mm_unpacklo_epi32(*p1, *q1); + q0p0 = _mm_unpacklo_epi32(*p0, *q0); + + p1p0 = _mm_unpacklo_epi32(q0p0, q1p1); + q1q0 = _mm_srli_si128(p1p0, 8); + + /* (abs(q1 - q0), abs(p1 - p0) */ + flat = abs_diff(q1p1, q0p0); + /* abs(p1 - q1), abs(p0 - q0) */ + __m128i abs_p1q1p0q0 = abs_diff(p1p0, q1q0); + + /* const uint8_t hev = hev_mask(thresh, *op1, *op0, *oq0, *oq1); */ + flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 4)); + hev = _mm_unpacklo_epi8(flat, zero); + + hev = _mm_cmpgt_epi16(hev, *thresh); + hev = _mm_packs_epi16(hev, hev); + hev = _mm_unpacklo_epi32(hev, hev); + + abs_p0q0 = _mm_adds_epu8(abs_p1q1p0q0, abs_p1q1p0q0); /* abs(p0 - q0) * 2 */ + abs_p1q1 = _mm_srli_si128(abs_p1q1p0q0, 4); /* abs(p1 - q1) */ + abs_p1q1 = _mm_unpacklo_epi8(abs_p1q1, abs_p1q1); + abs_p1q1 = _mm_srli_epi16(abs_p1q1, 9); + abs_p1q1 = _mm_packs_epi16(abs_p1q1, abs_p1q1); /* abs(p1 - q1) / 2 */ + /* abs(p0 - q0) * 2 + abs(p1 - q1) / 2 */ + + mask = _mm_adds_epu8(abs_p0q0, abs_p1q1); + mask = _mm_unpacklo_epi32(mask, flat); + mask = _mm_subs_epu8(mask, *limit); + mask = _mm_cmpeq_epi8(mask, zero); + mask = _mm_and_si128(mask, _mm_srli_si128(mask, 4)); + + filter4_sse2(&p1p0, &q1q0, &hev, &mask, q1q0_out, p1p0_out); +} + +static AOM_FORCE_INLINE void lpf_internal_4_dual_sse2( + __m128i *p1, __m128i *p0, __m128i *q0, __m128i *q1, __m128i *limit, + __m128i *thresh, __m128i *q1q0_out, __m128i *p1p0_out) { + __m128i q1p1, q0p0, p1p0, q1q0; + __m128i abs_p0q0, abs_p1q1; + __m128i mask, hev; + const __m128i zero = _mm_setzero_si128(); + + q1p1 = _mm_unpacklo_epi64(*p1, *q1); + q0p0 = _mm_unpacklo_epi64(*p0, *q0); + + p1p0 = _mm_unpacklo_epi64(q0p0, q1p1); + q1q0 = _mm_unpackhi_epi64(q0p0, q1p1); + + /* (abs(q1 - q0), abs(p1 - p0) */ + __m128i flat = abs_diff(q1p1, q0p0); + /* abs(p1 - q1), abs(p0 - q0) */ + const __m128i abs_p1q1p0q0 = abs_diff(p1p0, q1q0); + + /* const uint8_t hev = hev_mask(thresh, *op1, *op0, *oq0, *oq1); */ + flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 8)); + hev = _mm_unpacklo_epi8(flat, zero); + + hev = _mm_cmpgt_epi16(hev, *thresh); + hev = _mm_packs_epi16(hev, hev); + + /* const int8_t mask = filter_mask2(*limit, *blimit, */ + /* p1, p0, q0, q1); */ + abs_p0q0 = _mm_adds_epu8(abs_p1q1p0q0, abs_p1q1p0q0); /* abs(p0 - q0) * 2 */ + abs_p1q1 = _mm_unpackhi_epi8(abs_p1q1p0q0, abs_p1q1p0q0); /* abs(p1 - q1) */ + abs_p1q1 = _mm_srli_epi16(abs_p1q1, 9); + abs_p1q1 = _mm_packs_epi16(abs_p1q1, abs_p1q1); /* abs(p1 - q1) / 2 */ + /* abs(p0 - q0) * 2 + abs(p1 - q1) / 2 */ + mask = _mm_adds_epu8(abs_p0q0, abs_p1q1); + mask = _mm_unpacklo_epi64(mask, flat); + mask = _mm_subs_epu8(mask, *limit); + mask = _mm_cmpeq_epi8(mask, zero); + mask = _mm_and_si128(mask, _mm_srli_si128(mask, 8)); + + filter4_dual_sse2(&p1p0, &q1q0, &hev, &mask, q1q0_out, p1p0_out); +} + +void aom_lpf_horizontal_4_sse2(uint8_t *s, int p /* pitch */, + const uint8_t *_blimit, const uint8_t *_limit, + const uint8_t *_thresh) { + const __m128i zero = _mm_setzero_si128(); + __m128i limit = _mm_unpacklo_epi32(_mm_loadl_epi64((const __m128i *)_blimit), + _mm_loadl_epi64((const __m128i *)_limit)); + __m128i thresh = + _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)_thresh), zero); + + __m128i qs1qs0, ps1ps0; + __m128i p1, p0, q0, q1; + + p1 = _mm_cvtsi32_si128(*(int *)(s - 2 * p)); + p0 = _mm_cvtsi32_si128(*(int *)(s - 1 * p)); + q0 = _mm_cvtsi32_si128(*(int *)(s + 0 * p)); + q1 = _mm_cvtsi32_si128(*(int *)(s + 1 * p)); + + lpf_internal_4_sse2(&p1, &p0, &q0, &q1, &limit, &thresh, &qs1qs0, &ps1ps0); + + xx_storel_32(s - 1 * p, ps1ps0); + xx_storel_32(s - 2 * p, _mm_srli_si128(ps1ps0, 4)); + xx_storel_32(s + 0 * p, qs1qs0); + xx_storel_32(s + 1 * p, _mm_srli_si128(qs1qs0, 4)); +} + +void aom_lpf_vertical_4_sse2(uint8_t *s, int p /* pitch */, + const uint8_t *_blimit, const uint8_t *_limit, + const uint8_t *_thresh) { + __m128i p1p0, q1q0; + __m128i p1, p0, q0, q1; + + const __m128i zero = _mm_setzero_si128(); + __m128i limit = _mm_unpacklo_epi32(_mm_loadl_epi64((const __m128i *)_blimit), + _mm_loadl_epi64((const __m128i *)_limit)); + __m128i thresh = + _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)_thresh), zero); + + __m128i x0, x1, x2, x3; + __m128i d0, d1, d2, d3; + x0 = _mm_loadl_epi64((__m128i *)(s - 2 + 0 * p)); + x1 = _mm_loadl_epi64((__m128i *)(s - 2 + 1 * p)); + x2 = _mm_loadl_epi64((__m128i *)(s - 2 + 2 * p)); + x3 = _mm_loadl_epi64((__m128i *)(s - 2 + 3 * p)); + + transpose4x8_8x4_low_sse2(&x0, &x1, &x2, &x3, &p1, &p0, &q0, &q1); + + lpf_internal_4_sse2(&p1, &p0, &q0, &q1, &limit, &thresh, &q1q0, &p1p0); + + // Transpose 8x4 to 4x8 + p1 = _mm_srli_si128(p1p0, 4); + q1 = _mm_srli_si128(q1q0, 4); + + transpose4x8_8x4_low_sse2(&p1, &p1p0, &q1q0, &q1, &d0, &d1, &d2, &d3); + + xx_storel_32(s + 0 * p - 2, d0); + xx_storel_32(s + 1 * p - 2, d1); + xx_storel_32(s + 2 * p - 2, d2); + xx_storel_32(s + 3 * p - 2, d3); +} + +static INLINE void store_buffer_horz_8(__m128i x, int p, int num, uint8_t *s) { + xx_storel_32(s - (num + 1) * p, x); + xx_storel_32(s + num * p, _mm_srli_si128(x, 4)); +} + +static AOM_FORCE_INLINE void lpf_internal_14_dual_sse2( + __m128i *q6p6, __m128i *q5p5, __m128i *q4p4, __m128i *q3p3, __m128i *q2p2, + __m128i *q1p1, __m128i *q0p0, __m128i *blimit, __m128i *limit, + __m128i *thresh) { + const __m128i zero = _mm_setzero_si128(); + const __m128i one = _mm_set1_epi8(1); + __m128i mask, hev, flat, flat2; + __m128i qs0ps0, qs1ps1; + __m128i p1p0, q1q0, qs1qs0, ps1ps0; + __m128i abs_p1p0; + + p1p0 = _mm_unpacklo_epi64(*q0p0, *q1p1); + q1q0 = _mm_unpackhi_epi64(*q0p0, *q1p1); + + { + __m128i abs_p1q1, abs_p0q0, abs_q1q0; + __m128i fe, ff, work; + abs_p1p0 = abs_diff(*q1p1, *q0p0); + abs_q1q0 = _mm_srli_si128(abs_p1p0, 8); + fe = _mm_set1_epi8(0xfe); + ff = _mm_cmpeq_epi8(abs_p1p0, abs_p1p0); + abs_p0q0 = abs_diff(p1p0, q1q0); + abs_p1q1 = _mm_srli_si128(abs_p0q0, 8); + abs_p0q0 = _mm_unpacklo_epi64(abs_p0q0, zero); + + flat = _mm_max_epu8(abs_p1p0, abs_q1q0); + hev = _mm_subs_epu8(flat, *thresh); + hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff); + // replicate for the further "merged variables" usage + hev = _mm_unpacklo_epi64(hev, hev); + + abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0); + abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1); + mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), *blimit); + mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff); + // mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1; + mask = _mm_max_epu8(abs_p1p0, mask); + // mask |= (abs(p1 - p0) > limit) * -1; + // mask |= (abs(q1 - q0) > limit) * -1; + + work = _mm_max_epu8(abs_diff(*q2p2, *q1p1), abs_diff(*q3p3, *q2p2)); + mask = _mm_max_epu8(work, mask); + mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 8)); + mask = _mm_subs_epu8(mask, *limit); + mask = _mm_cmpeq_epi8(mask, zero); + } + + // lp filter - the same for 6, 8 and 14 versions + filter4_dual_sse2(&p1p0, &q1q0, &hev, &mask, &qs1qs0, &ps1ps0); + qs0ps0 = _mm_unpacklo_epi64(ps1ps0, qs1qs0); + qs1ps1 = _mm_unpackhi_epi64(ps1ps0, qs1qs0); + // loopfilter done + + __m128i flat2_q5p5, flat2_q4p4, flat2_q3p3, flat2_q2p2; + __m128i flat2_q1p1, flat2_q0p0, flat_q2p2, flat_q1p1, flat_q0p0; + + __m128i work; + flat = _mm_max_epu8(abs_diff(*q2p2, *q0p0), abs_diff(*q3p3, *q0p0)); + flat = _mm_max_epu8(abs_p1p0, flat); + flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 8)); + flat = _mm_subs_epu8(flat, one); + flat = _mm_cmpeq_epi8(flat, zero); + flat = _mm_and_si128(flat, mask); + + // if flat ==0 then flat2 is zero as well and we don't need any calc below + // sse4.1 if (0==_mm_test_all_zeros(flat,ff)) + if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat, zero))) { + // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + // flat and wide flat calculations + + const __m128i eight = _mm_set1_epi16(8); + const __m128i four = _mm_set1_epi16(4); + __m128i p6_16, p5_16, p4_16, p3_16, p2_16, p1_16, p0_16; + __m128i q6_16, q5_16, q4_16, q3_16, q2_16, q1_16, q0_16; + __m128i pixelFilter_p, pixelFilter_q; + __m128i pixetFilter_p2p1p0, pixetFilter_q2q1q0; + __m128i sum_p6, sum_q6; + __m128i sum_p3, sum_q3, res_p, res_q; + + p6_16 = _mm_unpacklo_epi8(*q6p6, zero); + p5_16 = _mm_unpacklo_epi8(*q5p5, zero); + p4_16 = _mm_unpacklo_epi8(*q4p4, zero); + p3_16 = _mm_unpacklo_epi8(*q3p3, zero); + p2_16 = _mm_unpacklo_epi8(*q2p2, zero); + p1_16 = _mm_unpacklo_epi8(*q1p1, zero); + p0_16 = _mm_unpacklo_epi8(*q0p0, zero); + q0_16 = _mm_unpackhi_epi8(*q0p0, zero); + q1_16 = _mm_unpackhi_epi8(*q1p1, zero); + q2_16 = _mm_unpackhi_epi8(*q2p2, zero); + q3_16 = _mm_unpackhi_epi8(*q3p3, zero); + q4_16 = _mm_unpackhi_epi8(*q4p4, zero); + q5_16 = _mm_unpackhi_epi8(*q5p5, zero); + q6_16 = _mm_unpackhi_epi8(*q6p6, zero); + pixelFilter_p = _mm_add_epi16(p5_16, _mm_add_epi16(p4_16, p3_16)); + pixelFilter_q = _mm_add_epi16(q5_16, _mm_add_epi16(q4_16, q3_16)); + + pixetFilter_p2p1p0 = _mm_add_epi16(p0_16, _mm_add_epi16(p2_16, p1_16)); + pixelFilter_p = _mm_add_epi16(pixelFilter_p, pixetFilter_p2p1p0); + + pixetFilter_q2q1q0 = _mm_add_epi16(q0_16, _mm_add_epi16(q2_16, q1_16)); + pixelFilter_q = _mm_add_epi16(pixelFilter_q, pixetFilter_q2q1q0); + pixelFilter_p = + _mm_add_epi16(eight, _mm_add_epi16(pixelFilter_p, pixelFilter_q)); + pixetFilter_p2p1p0 = _mm_add_epi16( + four, _mm_add_epi16(pixetFilter_p2p1p0, pixetFilter_q2q1q0)); + res_p = _mm_srli_epi16( + _mm_add_epi16(pixelFilter_p, + _mm_add_epi16(_mm_add_epi16(p6_16, p0_16), + _mm_add_epi16(p1_16, q0_16))), + 4); + res_q = _mm_srli_epi16( + _mm_add_epi16(pixelFilter_p, + _mm_add_epi16(_mm_add_epi16(q6_16, q0_16), + _mm_add_epi16(p0_16, q1_16))), + 4); + flat2_q0p0 = _mm_packus_epi16(res_p, res_q); + + res_p = _mm_srli_epi16( + _mm_add_epi16(pixetFilter_p2p1p0, _mm_add_epi16(p3_16, p0_16)), 3); + res_q = _mm_srli_epi16( + _mm_add_epi16(pixetFilter_p2p1p0, _mm_add_epi16(q3_16, q0_16)), 3); + + flat_q0p0 = _mm_packus_epi16(res_p, res_q); + + sum_p6 = _mm_add_epi16(p6_16, p6_16); + sum_q6 = _mm_add_epi16(q6_16, q6_16); + sum_p3 = _mm_add_epi16(p3_16, p3_16); + sum_q3 = _mm_add_epi16(q3_16, q3_16); + + pixelFilter_q = _mm_sub_epi16(pixelFilter_p, p5_16); + pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q5_16); + + res_p = _mm_srli_epi16( + _mm_add_epi16( + pixelFilter_p, + _mm_add_epi16(sum_p6, + _mm_add_epi16(p1_16, _mm_add_epi16(p2_16, p0_16)))), + 4); + res_q = _mm_srli_epi16( + _mm_add_epi16( + pixelFilter_q, + _mm_add_epi16(sum_q6, + _mm_add_epi16(q1_16, _mm_add_epi16(q0_16, q2_16)))), + 4); + flat2_q1p1 = _mm_packus_epi16(res_p, res_q); + + pixetFilter_q2q1q0 = _mm_sub_epi16(pixetFilter_p2p1p0, p2_16); + pixetFilter_p2p1p0 = _mm_sub_epi16(pixetFilter_p2p1p0, q2_16); + res_p = _mm_srli_epi16( + _mm_add_epi16(pixetFilter_p2p1p0, _mm_add_epi16(sum_p3, p1_16)), 3); + res_q = _mm_srli_epi16( + _mm_add_epi16(pixetFilter_q2q1q0, _mm_add_epi16(sum_q3, q1_16)), 3); + flat_q1p1 = _mm_packus_epi16(res_p, res_q); + + pixetFilter_p2p1p0 = _mm_sub_epi16(pixetFilter_p2p1p0, q1_16); + pixetFilter_q2q1q0 = _mm_sub_epi16(pixetFilter_q2q1q0, p1_16); + + sum_p3 = _mm_add_epi16(sum_p3, p3_16); + sum_q3 = _mm_add_epi16(sum_q3, q3_16); + + res_p = _mm_srli_epi16( + _mm_add_epi16(pixetFilter_p2p1p0, _mm_add_epi16(sum_p3, p2_16)), 3); + res_q = _mm_srli_epi16( + _mm_add_epi16(pixetFilter_q2q1q0, _mm_add_epi16(sum_q3, q2_16)), 3); + flat_q2p2 = _mm_packus_epi16(res_p, res_q); + + // work with flat2 + flat2 = _mm_max_epu8(abs_diff(*q4p4, *q0p0), abs_diff(*q5p5, *q0p0)); + work = abs_diff(*q6p6, *q0p0); + flat2 = _mm_max_epu8(work, flat2); + flat2 = _mm_max_epu8(flat2, _mm_srli_si128(flat2, 8)); + flat2 = _mm_subs_epu8(flat2, one); + flat2 = _mm_cmpeq_epi8(flat2, zero); + flat2 = _mm_and_si128(flat2, flat); // flat2 & flat & mask + + // ~~~~~~~~~~ apply flat ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + flat = _mm_unpacklo_epi64(flat, flat); + *q2p2 = _mm_andnot_si128(flat, *q2p2); + flat_q2p2 = _mm_and_si128(flat, flat_q2p2); + *q2p2 = _mm_or_si128(*q2p2, flat_q2p2); + + qs1ps1 = _mm_andnot_si128(flat, qs1ps1); + flat_q1p1 = _mm_and_si128(flat, flat_q1p1); + *q1p1 = _mm_or_si128(qs1ps1, flat_q1p1); + + qs0ps0 = _mm_andnot_si128(flat, qs0ps0); + flat_q0p0 = _mm_and_si128(flat, flat_q0p0); + *q0p0 = _mm_or_si128(qs0ps0, flat_q0p0); + + if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat2, zero))) { + pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q4_16); + pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p4_16); + + sum_p6 = _mm_add_epi16(sum_p6, p6_16); + sum_q6 = _mm_add_epi16(sum_q6, q6_16); + + res_p = _mm_srli_epi16( + _mm_add_epi16( + pixelFilter_p, + _mm_add_epi16(sum_p6, + _mm_add_epi16(p2_16, _mm_add_epi16(p3_16, p1_16)))), + 4); + res_q = _mm_srli_epi16( + _mm_add_epi16( + pixelFilter_q, + _mm_add_epi16(sum_q6, + _mm_add_epi16(q2_16, _mm_add_epi16(q1_16, q3_16)))), + 4); + flat2_q2p2 = _mm_packus_epi16(res_p, res_q); + + sum_p6 = _mm_add_epi16(sum_p6, p6_16); + sum_q6 = _mm_add_epi16(sum_q6, q6_16); + + pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q3_16); + pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p3_16); + + res_p = _mm_srli_epi16( + _mm_add_epi16( + pixelFilter_p, + _mm_add_epi16(sum_p6, + _mm_add_epi16(p3_16, _mm_add_epi16(p4_16, p2_16)))), + 4); + res_q = _mm_srli_epi16( + _mm_add_epi16( + pixelFilter_q, + _mm_add_epi16(sum_q6, + _mm_add_epi16(q3_16, _mm_add_epi16(q2_16, q4_16)))), + 4); + flat2_q3p3 = _mm_packus_epi16(res_p, res_q); + + sum_p6 = _mm_add_epi16(sum_p6, p6_16); + sum_q6 = _mm_add_epi16(sum_q6, q6_16); + + pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q2_16); + pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p2_16); + + res_p = _mm_srli_epi16( + _mm_add_epi16( + pixelFilter_p, + _mm_add_epi16(sum_p6, + _mm_add_epi16(p4_16, _mm_add_epi16(p5_16, p3_16)))), + 4); + res_q = _mm_srli_epi16( + _mm_add_epi16( + pixelFilter_q, + _mm_add_epi16(sum_q6, + _mm_add_epi16(q4_16, _mm_add_epi16(q3_16, q5_16)))), + 4); + flat2_q4p4 = _mm_packus_epi16(res_p, res_q); + + sum_p6 = _mm_add_epi16(sum_p6, p6_16); + sum_q6 = _mm_add_epi16(sum_q6, q6_16); + pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q1_16); + pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p1_16); + + res_p = _mm_srli_epi16( + _mm_add_epi16( + pixelFilter_p, + _mm_add_epi16(sum_p6, + _mm_add_epi16(p5_16, _mm_add_epi16(p6_16, p4_16)))), + 4); + res_q = _mm_srli_epi16( + _mm_add_epi16( + pixelFilter_q, + _mm_add_epi16(sum_q6, + _mm_add_epi16(q5_16, _mm_add_epi16(q6_16, q4_16)))), + 4); + flat2_q5p5 = _mm_packus_epi16(res_p, res_q); + + // wide flat + // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + flat2 = _mm_unpacklo_epi64(flat2, flat2); + + *q5p5 = _mm_andnot_si128(flat2, *q5p5); + flat2_q5p5 = _mm_and_si128(flat2, flat2_q5p5); + *q5p5 = _mm_or_si128(*q5p5, flat2_q5p5); + + *q4p4 = _mm_andnot_si128(flat2, *q4p4); + flat2_q4p4 = _mm_and_si128(flat2, flat2_q4p4); + *q4p4 = _mm_or_si128(*q4p4, flat2_q4p4); + + *q3p3 = _mm_andnot_si128(flat2, *q3p3); + flat2_q3p3 = _mm_and_si128(flat2, flat2_q3p3); + *q3p3 = _mm_or_si128(*q3p3, flat2_q3p3); + + *q2p2 = _mm_andnot_si128(flat2, *q2p2); + flat2_q2p2 = _mm_and_si128(flat2, flat2_q2p2); + *q2p2 = _mm_or_si128(*q2p2, flat2_q2p2); + + *q1p1 = _mm_andnot_si128(flat2, *q1p1); + flat2_q1p1 = _mm_and_si128(flat2, flat2_q1p1); + *q1p1 = _mm_or_si128(*q1p1, flat2_q1p1); + + *q0p0 = _mm_andnot_si128(flat2, *q0p0); + flat2_q0p0 = _mm_and_si128(flat2, flat2_q0p0); + *q0p0 = _mm_or_si128(*q0p0, flat2_q0p0); + } + } else { + *q0p0 = qs0ps0; + *q1p1 = qs1ps1; + } +} + +static AOM_FORCE_INLINE void lpf_internal_14_sse2( + __m128i *q6p6, __m128i *q5p5, __m128i *q4p4, __m128i *q3p3, __m128i *q2p2, + __m128i *q1p1, __m128i *q0p0, __m128i *blimit, __m128i *limit, + __m128i *thresh) { + const __m128i zero = _mm_setzero_si128(); + const __m128i one = _mm_set1_epi8(1); + __m128i mask, hev, flat, flat2; + __m128i flat2_pq[6], flat_pq[3]; + __m128i qs0ps0, qs1ps1; + __m128i p1p0, q1q0, qs1qs0, ps1ps0; + __m128i abs_p1p0; + + p1p0 = _mm_unpacklo_epi32(*q0p0, *q1p1); + q1q0 = _mm_srli_si128(p1p0, 8); + + __m128i fe, ff, work; + { + __m128i abs_p1q1, abs_p0q0, abs_q1q0; + abs_p1p0 = abs_diff(*q1p1, *q0p0); + abs_q1q0 = _mm_srli_si128(abs_p1p0, 4); + fe = _mm_set1_epi8(0xfe); + ff = _mm_cmpeq_epi8(fe, fe); + abs_p0q0 = abs_diff(p1p0, q1q0); + abs_p1q1 = _mm_srli_si128(abs_p0q0, 4); + + flat = _mm_max_epu8(abs_p1p0, abs_q1q0); + + hev = _mm_subs_epu8(flat, *thresh); + hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff); + // replicate for the further "merged variables" usage + hev = _mm_unpacklo_epi32(hev, hev); + + abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0); + abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1); + mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), *blimit); + mask = _mm_unpacklo_epi32(mask, zero); + mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff); + // mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1; + mask = _mm_max_epu8(abs_p1p0, mask); + // mask |= (abs(p1 - p0) > limit) * -1; + // mask |= (abs(q1 - q0) > limit) * -1; + + work = _mm_max_epu8(abs_diff(*q2p2, *q1p1), abs_diff(*q3p3, *q2p2)); + mask = _mm_max_epu8(work, mask); + mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 4)); + mask = _mm_subs_epu8(mask, *limit); + mask = _mm_cmpeq_epi8(mask, zero); + } + + // lp filter - the same for 6, 8 and 14 versions + filter4_sse2(&p1p0, &q1q0, &hev, &mask, &qs1qs0, &ps1ps0); + qs0ps0 = _mm_unpacklo_epi32(ps1ps0, qs1qs0); + qs1ps1 = _mm_srli_si128(qs0ps0, 8); + // loopfilter done + + flat = _mm_max_epu8(abs_diff(*q2p2, *q0p0), abs_diff(*q3p3, *q0p0)); + flat = _mm_max_epu8(abs_p1p0, flat); + flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 4)); + flat = _mm_subs_epu8(flat, one); + flat = _mm_cmpeq_epi8(flat, zero); + flat = _mm_and_si128(flat, mask); + flat = _mm_unpacklo_epi32(flat, flat); + flat = _mm_unpacklo_epi64(flat, flat); + + // if flat ==0 then flat2 is zero as well and we don't need any calc below + // sse4.1 if (0==_mm_test_all_zeros(flat,ff)) + if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat, zero))) { + // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + // flat and wide flat calculations + __m128i q5_16, q4_16, q3_16, q2_16, q1_16, q0_16; + __m128i pq_16[7]; + const __m128i eight = _mm_set1_epi16(8); + const __m128i four = _mm_set1_epi16(4); + __m128i sum_p6; + __m128i sum_p3; + + pq_16[0] = _mm_unpacklo_epi8(*q0p0, zero); + pq_16[1] = _mm_unpacklo_epi8(*q1p1, zero); + pq_16[2] = _mm_unpacklo_epi8(*q2p2, zero); + pq_16[3] = _mm_unpacklo_epi8(*q3p3, zero); + pq_16[4] = _mm_unpacklo_epi8(*q4p4, zero); + pq_16[5] = _mm_unpacklo_epi8(*q5p5, zero); + pq_16[6] = _mm_unpacklo_epi8(*q6p6, zero); + q0_16 = _mm_srli_si128(pq_16[0], 8); + q1_16 = _mm_srli_si128(pq_16[1], 8); + q2_16 = _mm_srli_si128(pq_16[2], 8); + q3_16 = _mm_srli_si128(pq_16[3], 8); + q4_16 = _mm_srli_si128(pq_16[4], 8); + q5_16 = _mm_srli_si128(pq_16[5], 8); + + __m128i flat_p[3], flat_q[3]; + __m128i flat2_p[6], flat2_q[6]; + + __m128i work0, work0_0, work0_1, sum_p_0; + __m128i sum_p = _mm_add_epi16(pq_16[5], _mm_add_epi16(pq_16[4], pq_16[3])); + __m128i sum_lp = _mm_add_epi16(pq_16[0], _mm_add_epi16(pq_16[2], pq_16[1])); + sum_p = _mm_add_epi16(sum_p, sum_lp); + + __m128i sum_lq = _mm_srli_si128(sum_lp, 8); + __m128i sum_q = _mm_srli_si128(sum_p, 8); + + sum_p_0 = _mm_add_epi16(eight, _mm_add_epi16(sum_p, sum_q)); + sum_lp = _mm_add_epi16(four, _mm_add_epi16(sum_lp, sum_lq)); + + flat_p[0] = _mm_add_epi16(sum_lp, _mm_add_epi16(pq_16[3], pq_16[0])); + flat_q[0] = _mm_add_epi16(sum_lp, _mm_add_epi16(q3_16, q0_16)); + + sum_p6 = _mm_add_epi16(pq_16[6], pq_16[6]); + sum_p3 = _mm_add_epi16(pq_16[3], pq_16[3]); + + sum_q = _mm_sub_epi16(sum_p_0, pq_16[5]); + sum_p = _mm_sub_epi16(sum_p_0, q5_16); + + work0_0 = _mm_add_epi16(_mm_add_epi16(pq_16[6], pq_16[0]), pq_16[1]); + work0_1 = _mm_add_epi16( + sum_p6, _mm_add_epi16(pq_16[1], _mm_add_epi16(pq_16[2], pq_16[0]))); + + sum_lq = _mm_sub_epi16(sum_lp, pq_16[2]); + sum_lp = _mm_sub_epi16(sum_lp, q2_16); + + work0 = _mm_add_epi16(sum_p3, pq_16[1]); + flat_p[1] = _mm_add_epi16(sum_lp, work0); + flat_q[1] = _mm_add_epi16(sum_lq, _mm_srli_si128(work0, 8)); + + flat_pq[0] = _mm_srli_epi16(_mm_unpacklo_epi64(flat_p[0], flat_q[0]), 3); + flat_pq[1] = _mm_srli_epi16(_mm_unpacklo_epi64(flat_p[1], flat_q[1]), 3); + flat_pq[0] = _mm_packus_epi16(flat_pq[0], flat_pq[0]); + flat_pq[1] = _mm_packus_epi16(flat_pq[1], flat_pq[1]); + + sum_lp = _mm_sub_epi16(sum_lp, q1_16); + sum_lq = _mm_sub_epi16(sum_lq, pq_16[1]); + + sum_p3 = _mm_add_epi16(sum_p3, pq_16[3]); + work0 = _mm_add_epi16(sum_p3, pq_16[2]); + + flat_p[2] = _mm_add_epi16(sum_lp, work0); + flat_q[2] = _mm_add_epi16(sum_lq, _mm_srli_si128(work0, 8)); + flat_pq[2] = _mm_srli_epi16(_mm_unpacklo_epi64(flat_p[2], flat_q[2]), 3); + flat_pq[2] = _mm_packus_epi16(flat_pq[2], flat_pq[2]); + + // ~~~~~~~~~~~~~~~~~~~~~~~~~~~ flat 2 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + flat2 = _mm_max_epu8(abs_diff(*q4p4, *q0p0), abs_diff(*q5p5, *q0p0)); + + work = abs_diff(*q6p6, *q0p0); + flat2 = _mm_max_epu8(work, flat2); + flat2 = _mm_max_epu8(flat2, _mm_srli_si128(flat2, 4)); + flat2 = _mm_subs_epu8(flat2, one); + flat2 = _mm_cmpeq_epi8(flat2, zero); + flat2 = _mm_and_si128(flat2, flat); // flat2 & flat & mask + flat2 = _mm_unpacklo_epi32(flat2, flat2); + + // ~~~~~~~~~~ apply flat ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + qs0ps0 = _mm_andnot_si128(flat, qs0ps0); + flat_pq[0] = _mm_and_si128(flat, flat_pq[0]); + *q0p0 = _mm_or_si128(qs0ps0, flat_pq[0]); + + qs1ps1 = _mm_andnot_si128(flat, qs1ps1); + flat_pq[1] = _mm_and_si128(flat, flat_pq[1]); + *q1p1 = _mm_or_si128(qs1ps1, flat_pq[1]); + + *q2p2 = _mm_andnot_si128(flat, *q2p2); + flat_pq[2] = _mm_and_si128(flat, flat_pq[2]); + *q2p2 = _mm_or_si128(*q2p2, flat_pq[2]); + + if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat2, zero))) { + flat2_p[0] = _mm_add_epi16(sum_p_0, _mm_add_epi16(work0_0, q0_16)); + flat2_q[0] = _mm_add_epi16( + sum_p_0, _mm_add_epi16(_mm_srli_si128(work0_0, 8), pq_16[0])); + + flat2_p[1] = _mm_add_epi16(sum_p, work0_1); + flat2_q[1] = _mm_add_epi16(sum_q, _mm_srli_si128(work0_1, 8)); + + flat2_pq[0] = + _mm_srli_epi16(_mm_unpacklo_epi64(flat2_p[0], flat2_q[0]), 4); + flat2_pq[1] = + _mm_srli_epi16(_mm_unpacklo_epi64(flat2_p[1], flat2_q[1]), 4); + flat2_pq[0] = _mm_packus_epi16(flat2_pq[0], flat2_pq[0]); + flat2_pq[1] = _mm_packus_epi16(flat2_pq[1], flat2_pq[1]); + + sum_p = _mm_sub_epi16(sum_p, q4_16); + sum_q = _mm_sub_epi16(sum_q, pq_16[4]); + + sum_p6 = _mm_add_epi16(sum_p6, pq_16[6]); + work0 = _mm_add_epi16( + sum_p6, _mm_add_epi16(pq_16[2], _mm_add_epi16(pq_16[3], pq_16[1]))); + flat2_p[2] = _mm_add_epi16(sum_p, work0); + flat2_q[2] = _mm_add_epi16(sum_q, _mm_srli_si128(work0, 8)); + flat2_pq[2] = + _mm_srli_epi16(_mm_unpacklo_epi64(flat2_p[2], flat2_q[2]), 4); + flat2_pq[2] = _mm_packus_epi16(flat2_pq[2], flat2_pq[2]); + + sum_p6 = _mm_add_epi16(sum_p6, pq_16[6]); + sum_p = _mm_sub_epi16(sum_p, q3_16); + sum_q = _mm_sub_epi16(sum_q, pq_16[3]); + + work0 = _mm_add_epi16( + sum_p6, _mm_add_epi16(pq_16[3], _mm_add_epi16(pq_16[4], pq_16[2]))); + flat2_p[3] = _mm_add_epi16(sum_p, work0); + flat2_q[3] = _mm_add_epi16(sum_q, _mm_srli_si128(work0, 8)); + flat2_pq[3] = + _mm_srli_epi16(_mm_unpacklo_epi64(flat2_p[3], flat2_q[3]), 4); + flat2_pq[3] = _mm_packus_epi16(flat2_pq[3], flat2_pq[3]); + + sum_p6 = _mm_add_epi16(sum_p6, pq_16[6]); + sum_p = _mm_sub_epi16(sum_p, q2_16); + sum_q = _mm_sub_epi16(sum_q, pq_16[2]); + + work0 = _mm_add_epi16( + sum_p6, _mm_add_epi16(pq_16[4], _mm_add_epi16(pq_16[5], pq_16[3]))); + flat2_p[4] = _mm_add_epi16(sum_p, work0); + flat2_q[4] = _mm_add_epi16(sum_q, _mm_srli_si128(work0, 8)); + flat2_pq[4] = + _mm_srli_epi16(_mm_unpacklo_epi64(flat2_p[4], flat2_q[4]), 4); + flat2_pq[4] = _mm_packus_epi16(flat2_pq[4], flat2_pq[4]); + + sum_p6 = _mm_add_epi16(sum_p6, pq_16[6]); + sum_p = _mm_sub_epi16(sum_p, q1_16); + sum_q = _mm_sub_epi16(sum_q, pq_16[1]); + + work0 = _mm_add_epi16( + sum_p6, _mm_add_epi16(pq_16[5], _mm_add_epi16(pq_16[6], pq_16[4]))); + flat2_p[5] = _mm_add_epi16(sum_p, work0); + flat2_q[5] = _mm_add_epi16(sum_q, _mm_srli_si128(work0, 8)); + flat2_pq[5] = + _mm_srli_epi16(_mm_unpacklo_epi64(flat2_p[5], flat2_q[5]), 4); + flat2_pq[5] = _mm_packus_epi16(flat2_pq[5], flat2_pq[5]); + + // wide flat + // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + + *q0p0 = _mm_andnot_si128(flat2, *q0p0); + flat2_pq[0] = _mm_and_si128(flat2, flat2_pq[0]); + *q0p0 = _mm_or_si128(*q0p0, flat2_pq[0]); + + *q1p1 = _mm_andnot_si128(flat2, *q1p1); + flat2_pq[1] = _mm_and_si128(flat2, flat2_pq[1]); + *q1p1 = _mm_or_si128(*q1p1, flat2_pq[1]); + + *q2p2 = _mm_andnot_si128(flat2, *q2p2); + flat2_pq[2] = _mm_and_si128(flat2, flat2_pq[2]); + *q2p2 = _mm_or_si128(*q2p2, flat2_pq[2]); + + *q3p3 = _mm_andnot_si128(flat2, *q3p3); + flat2_pq[3] = _mm_and_si128(flat2, flat2_pq[3]); + *q3p3 = _mm_or_si128(*q3p3, flat2_pq[3]); + + *q4p4 = _mm_andnot_si128(flat2, *q4p4); + flat2_pq[4] = _mm_and_si128(flat2, flat2_pq[4]); + *q4p4 = _mm_or_si128(*q4p4, flat2_pq[4]); + + *q5p5 = _mm_andnot_si128(flat2, *q5p5); + flat2_pq[5] = _mm_and_si128(flat2, flat2_pq[5]); + *q5p5 = _mm_or_si128(*q5p5, flat2_pq[5]); + } + } else { + *q0p0 = qs0ps0; + *q1p1 = qs1ps1; + } +} + +void aom_lpf_horizontal_14_sse2(unsigned char *s, int p, + const unsigned char *_blimit, + const unsigned char *_limit, + const unsigned char *_thresh) { + __m128i q6p6, q5p5, q4p4, q3p3, q2p2, q1p1, q0p0; + __m128i blimit = _mm_load_si128((const __m128i *)_blimit); + __m128i limit = _mm_load_si128((const __m128i *)_limit); + __m128i thresh = _mm_load_si128((const __m128i *)_thresh); + + q4p4 = _mm_unpacklo_epi32(_mm_cvtsi32_si128(*(int *)(s - 5 * p)), + _mm_cvtsi32_si128(*(int *)(s + 4 * p))); + q3p3 = _mm_unpacklo_epi32(_mm_cvtsi32_si128(*(int *)(s - 4 * p)), + _mm_cvtsi32_si128(*(int *)(s + 3 * p))); + q2p2 = _mm_unpacklo_epi32(_mm_cvtsi32_si128(*(int *)(s - 3 * p)), + _mm_cvtsi32_si128(*(int *)(s + 2 * p))); + q1p1 = _mm_unpacklo_epi32(_mm_cvtsi32_si128(*(int *)(s - 2 * p)), + _mm_cvtsi32_si128(*(int *)(s + 1 * p))); + + q0p0 = _mm_unpacklo_epi32(_mm_cvtsi32_si128(*(int *)(s - 1 * p)), + _mm_cvtsi32_si128(*(int *)(s - 0 * p))); + + q5p5 = _mm_unpacklo_epi32(_mm_cvtsi32_si128(*(int *)(s - 6 * p)), + _mm_cvtsi32_si128(*(int *)(s + 5 * p))); + + q6p6 = _mm_unpacklo_epi32(_mm_cvtsi32_si128(*(int *)(s - 7 * p)), + _mm_cvtsi32_si128(*(int *)(s + 6 * p))); + + lpf_internal_14_sse2(&q6p6, &q5p5, &q4p4, &q3p3, &q2p2, &q1p1, &q0p0, &blimit, + &limit, &thresh); + + store_buffer_horz_8(q0p0, p, 0, s); + store_buffer_horz_8(q1p1, p, 1, s); + store_buffer_horz_8(q2p2, p, 2, s); + store_buffer_horz_8(q3p3, p, 3, s); + store_buffer_horz_8(q4p4, p, 4, s); + store_buffer_horz_8(q5p5, p, 5, s); +} + +static AOM_FORCE_INLINE void lpf_internal_6_dual_sse2( + __m128i *p2, __m128i *q2, __m128i *p1, __m128i *q1, __m128i *p0, + __m128i *q0, __m128i *q1q0, __m128i *p1p0, __m128i *blimit, __m128i *limit, + __m128i *thresh) { + const __m128i zero = _mm_setzero_si128(); + __m128i mask, hev, flat; + __m128i q2p2, q1p1, q0p0, flat_p1p0, flat_q0q1; + __m128i p2_16, q2_16, p1_16, q1_16, p0_16, q0_16; + __m128i ps1ps0, qs1qs0; + + q2p2 = _mm_unpacklo_epi64(*p2, *q2); + q1p1 = _mm_unpacklo_epi64(*p1, *q1); + q0p0 = _mm_unpacklo_epi64(*p0, *q0); + + *p1p0 = _mm_unpacklo_epi64(q0p0, q1p1); + *q1q0 = _mm_unpackhi_epi64(q0p0, q1p1); + + const __m128i one = _mm_set1_epi8(1); + const __m128i fe = _mm_set1_epi8(0xfe); + const __m128i ff = _mm_cmpeq_epi8(fe, fe); + + { + // filter_mask and hev_mask + __m128i abs_p1q1, abs_p0q0, abs_q1q0, abs_p1p0, work; + abs_p1p0 = abs_diff(q1p1, q0p0); + abs_q1q0 = _mm_srli_si128(abs_p1p0, 8); + + abs_p0q0 = abs_diff(*p1p0, *q1q0); + abs_p1q1 = _mm_srli_si128(abs_p0q0, 8); + abs_p0q0 = _mm_unpacklo_epi64(abs_p0q0, zero); + + // considering sse doesn't have unsigned elements comparison the idea is + // to find at least one case when X > limit, it means the corresponding + // mask bit is set. + // to achieve that we find global max value of all inputs of abs(x-y) or + // (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 If it is > limit the mask is set + // otherwise - not + + flat = _mm_max_epu8(abs_p1p0, abs_q1q0); + hev = _mm_subs_epu8(flat, *thresh); + hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff); + // replicate for the further "merged variables" usage + hev = _mm_unpacklo_epi64(hev, hev); + + abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0); + abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1); + mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), *blimit); + mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff); + // mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1; + mask = _mm_max_epu8(abs_p1p0, mask); + // mask |= (abs(p1 - p0) > limit) * -1; + // mask |= (abs(q1 - q0) > limit) * -1; + + work = abs_diff(q2p2, q1p1); + mask = _mm_max_epu8(work, mask); + mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 8)); + mask = _mm_subs_epu8(mask, *limit); + mask = _mm_cmpeq_epi8(mask, zero); + + // lp filter - the same for 6, 8 and 14 versions + filter4_dual_sse2(p1p0, q1q0, &hev, &mask, q1q0, p1p0); + + // flat_mask + flat = _mm_max_epu8(abs_diff(q2p2, q0p0), abs_p1p0); + flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 8)); + flat = _mm_subs_epu8(flat, one); + flat = _mm_cmpeq_epi8(flat, zero); + flat = _mm_and_si128(flat, mask); + // replicate for the further "merged variables" usage + flat = _mm_unpacklo_epi64(flat, flat); + } + + // 5 tap filter + // need it only if flat !=0 + if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat, zero))) { + const __m128i four = _mm_set1_epi16(4); + __m128i workp_a, workp_b, workp_shft0, workp_shft1; + p2_16 = _mm_unpacklo_epi8(*p2, zero); + p1_16 = _mm_unpacklo_epi8(*p1, zero); + p0_16 = _mm_unpacklo_epi8(*p0, zero); + q0_16 = _mm_unpacklo_epi8(*q0, zero); + q1_16 = _mm_unpacklo_epi8(*q1, zero); + q2_16 = _mm_unpacklo_epi8(*q2, zero); + + // op1 + workp_a = _mm_add_epi16(_mm_add_epi16(p0_16, p0_16), + _mm_add_epi16(p1_16, p1_16)); // p0 *2 + p1 * 2 + workp_a = _mm_add_epi16(_mm_add_epi16(workp_a, four), + p2_16); // p2 + p0 * 2 + p1 * 2 + 4 + + workp_b = _mm_add_epi16(_mm_add_epi16(p2_16, p2_16), q0_16); + workp_shft0 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), + 3); // p2 * 3 + p1 * 2 + p0 * 2 + q0 + 4 + + // op0 + workp_b = _mm_add_epi16(_mm_add_epi16(q0_16, q0_16), q1_16); // q0 * 2 + q1 + workp_a = _mm_add_epi16(workp_a, + workp_b); // p2 + p0 * 2 + p1 * 2 + q0 * 2 + q1 + 4 + workp_shft1 = _mm_srli_epi16(workp_a, 3); + + flat_p1p0 = _mm_packus_epi16(workp_shft1, workp_shft0); + + // oq0 + workp_a = _mm_sub_epi16(_mm_sub_epi16(workp_a, p2_16), + p1_16); // p0 * 2 + p1 + q0 * 2 + q1 + 4 + workp_b = _mm_add_epi16(q1_16, q2_16); + workp_a = _mm_add_epi16( + workp_a, workp_b); // p0 * 2 + p1 + q0 * 2 + q1 * 2 + q2 + 4 + workp_shft0 = _mm_srli_epi16(workp_a, 3); + + // oq1 + workp_a = _mm_sub_epi16(_mm_sub_epi16(workp_a, p1_16), + p0_16); // p0 + q0 * 2 + q1 * 2 + q2 + 4 + workp_b = _mm_add_epi16(q2_16, q2_16); + workp_shft1 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), + 3); // p0 + q0 * 2 + q1 * 2 + q2 * 3 + 4 + + flat_q0q1 = _mm_packus_epi16(workp_shft0, workp_shft1); + + qs1qs0 = _mm_andnot_si128(flat, *q1q0); + *q1q0 = _mm_and_si128(flat, flat_q0q1); + *q1q0 = _mm_or_si128(qs1qs0, *q1q0); + + ps1ps0 = _mm_andnot_si128(flat, *p1p0); + *p1p0 = _mm_and_si128(flat, flat_p1p0); + *p1p0 = _mm_or_si128(ps1ps0, *p1p0); + } +} + +static AOM_FORCE_INLINE void lpf_internal_6_sse2( + __m128i *p2, __m128i *q2, __m128i *p1, __m128i *q1, __m128i *p0, + __m128i *q0, __m128i *q1q0, __m128i *p1p0, __m128i *blimit, __m128i *limit, + __m128i *thresh) { + const __m128i zero = _mm_setzero_si128(); + __m128i mask, hev, flat; + __m128i q2p2, q1p1, q0p0, flat_p1p0, flat_q0q1; + __m128i pq2_16, q2_16, pq1_16, pq0_16, q0_16; + __m128i ps1ps0, qs1qs0; + + q2p2 = _mm_unpacklo_epi32(*p2, *q2); + q1p1 = _mm_unpacklo_epi32(*p1, *q1); + q0p0 = _mm_unpacklo_epi32(*p0, *q0); + + *p1p0 = _mm_unpacklo_epi32(*p0, *p1); + *q1q0 = _mm_unpacklo_epi32(*q0, *q1); + + const __m128i one = _mm_set1_epi8(1); + const __m128i fe = _mm_set1_epi8(0xfe); + const __m128i ff = _mm_cmpeq_epi8(fe, fe); + { + // filter_mask and hev_mask + __m128i abs_p1q1, abs_p0q0, abs_q1q0, abs_p1p0, work; + abs_p1p0 = abs_diff(q1p1, q0p0); + abs_q1q0 = _mm_srli_si128(abs_p1p0, 4); + + abs_p0q0 = abs_diff(*p1p0, *q1q0); + abs_p1q1 = _mm_srli_si128(abs_p0q0, 4); + + // considering sse doesn't have unsigned elements comparison the idea is + // to find at least one case when X > limit, it means the corresponding + // mask bit is set. + // to achieve that we find global max value of all inputs of abs(x-y) or + // (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 If it is > limit the mask is set + // otherwise - not + + flat = _mm_max_epu8(abs_p1p0, abs_q1q0); + hev = _mm_subs_epu8(flat, *thresh); + hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff); + // replicate for the further "merged variables" usage + hev = _mm_unpacklo_epi32(hev, hev); + + abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0); + abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1); + mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), *blimit); + mask = _mm_unpacklo_epi32(mask, zero); + mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff); + // mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1; + mask = _mm_max_epu8(abs_p1p0, mask); + // mask |= (abs(p1 - p0) > limit) * -1; + // mask |= (abs(q1 - q0) > limit) * -1; + + work = abs_diff(q2p2, q1p1); + mask = _mm_max_epu8(work, mask); + mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 4)); + mask = _mm_subs_epu8(mask, *limit); + mask = _mm_cmpeq_epi8(mask, zero); + + // lp filter - the same for 6, 8 and 14 versions + filter4_sse2(p1p0, q1q0, &hev, &mask, q1q0, p1p0); + + // flat_mask + flat = _mm_max_epu8(abs_diff(q2p2, q0p0), abs_p1p0); + flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 4)); + flat = _mm_subs_epu8(flat, one); + flat = _mm_cmpeq_epi8(flat, zero); + flat = _mm_and_si128(flat, mask); + // replicate for the further "merged variables" usage + flat = _mm_unpacklo_epi32(flat, flat); + flat = _mm_unpacklo_epi64(flat, flat); + } + + // 5 tap filter + // need it only if flat !=0 + if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat, zero))) { + const __m128i four = _mm_set1_epi16(4); + __m128i workp_a, workp_b, workp_c; + __m128i pq0x2_pq1, pq1_pq2; + pq2_16 = _mm_unpacklo_epi8(q2p2, zero); + pq1_16 = _mm_unpacklo_epi8(q1p1, zero); + pq0_16 = _mm_unpacklo_epi8(q0p0, zero); + q0_16 = _mm_srli_si128(pq0_16, 8); + q2_16 = _mm_srli_si128(pq2_16, 8); + + // op1 + pq0x2_pq1 = + _mm_add_epi16(_mm_add_epi16(pq0_16, pq0_16), pq1_16); // p0 *2 + p1 + pq1_pq2 = _mm_add_epi16(pq1_16, pq2_16); // p1 + p2 + workp_a = _mm_add_epi16(_mm_add_epi16(pq0x2_pq1, four), + pq1_pq2); // p2 + p0 * 2 + p1 * 2 + 4 + + workp_b = _mm_add_epi16(_mm_add_epi16(pq2_16, pq2_16), q0_16); + workp_b = + _mm_add_epi16(workp_a, workp_b); // p2 * 3 + p1 * 2 + p0 * 2 + q0 + 4 + + // op0 + workp_c = _mm_srli_si128(pq0x2_pq1, 8); // q0 * 2 + q1 + workp_a = _mm_add_epi16(workp_a, + workp_c); // p2 + p0 * 2 + p1 * 2 + q0 * 2 + q1 + 4 + workp_b = _mm_unpacklo_epi64(workp_a, workp_b); + workp_b = _mm_srli_epi16(workp_b, 3); + + flat_p1p0 = _mm_packus_epi16(workp_b, workp_b); + + // oq0 + workp_a = _mm_sub_epi16(_mm_sub_epi16(workp_a, pq2_16), + pq1_16); // p0 * 2 + p1 + q0 * 2 + q1 + 4 + workp_b = _mm_srli_si128(pq1_pq2, 8); + workp_a = _mm_add_epi16( + workp_a, workp_b); // p0 * 2 + p1 + q0 * 2 + q1 * 2 + q2 + 4 + // workp_shft0 = _mm_srli_epi16(workp_a, 3); + + // oq1 + workp_c = _mm_sub_epi16(_mm_sub_epi16(workp_a, pq1_16), + pq0_16); // p0 + q0 * 2 + q1 * 2 + q2 + 4 + workp_b = _mm_add_epi16(q2_16, q2_16); + workp_b = + _mm_add_epi16(workp_c, workp_b); // p0 + q0 * 2 + q1 * 2 + q2 * 3 + 4 + + workp_a = _mm_unpacklo_epi64(workp_a, workp_b); + workp_a = _mm_srli_epi16(workp_a, 3); + + flat_q0q1 = _mm_packus_epi16(workp_a, workp_a); + + qs1qs0 = _mm_andnot_si128(flat, *q1q0); + *q1q0 = _mm_and_si128(flat, flat_q0q1); + *q1q0 = _mm_or_si128(qs1qs0, *q1q0); + + ps1ps0 = _mm_andnot_si128(flat, *p1p0); + *p1p0 = _mm_and_si128(flat, flat_p1p0); + *p1p0 = _mm_or_si128(ps1ps0, *p1p0); + } +} + +void aom_lpf_horizontal_6_sse2(unsigned char *s, int p, + const unsigned char *_blimit, + const unsigned char *_limit, + const unsigned char *_thresh) { + __m128i p2, p1, p0, q0, q1, q2; + __m128i p1p0, q1q0; + __m128i blimit = _mm_load_si128((__m128i *)_blimit); + __m128i limit = _mm_load_si128((__m128i *)_limit); + __m128i thresh = _mm_load_si128((__m128i *)_thresh); + + p2 = _mm_cvtsi32_si128(*(int *)(s - 3 * p)); + p1 = _mm_cvtsi32_si128(*(int *)(s - 2 * p)); + p0 = _mm_cvtsi32_si128(*(int *)(s - 1 * p)); + q0 = _mm_cvtsi32_si128(*(int *)(s - 0 * p)); + q1 = _mm_cvtsi32_si128(*(int *)(s + 1 * p)); + q2 = _mm_cvtsi32_si128(*(int *)(s + 2 * p)); + + lpf_internal_6_sse2(&p2, &q2, &p1, &q1, &p0, &q0, &q1q0, &p1p0, &blimit, + &limit, &thresh); + + xx_storel_32(s - 1 * p, p1p0); + xx_storel_32(s - 2 * p, _mm_srli_si128(p1p0, 4)); + xx_storel_32(s + 0 * p, q1q0); + xx_storel_32(s + 1 * p, _mm_srli_si128(q1q0, 4)); +} + +void aom_lpf_horizontal_6_dual_sse2(unsigned char *s, int p, + const unsigned char *_blimit0, + const unsigned char *_limit0, + const unsigned char *_thresh0, + const unsigned char *_blimit1, + const unsigned char *_limit1, + const unsigned char *_thresh1) { + __m128i blimit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_blimit0), + _mm_load_si128((__m128i *)_blimit1)); + __m128i limit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_limit0), + _mm_load_si128((__m128i *)_limit1)); + __m128i thresh = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_thresh0), + _mm_load_si128((__m128i *)_thresh1)); + + __m128i p2, p1, p0, q0, q1, q2; + __m128i p1p0, q1q0; + + p2 = _mm_loadl_epi64((__m128i *)(s - 3 * p)); + p1 = _mm_loadl_epi64((__m128i *)(s - 2 * p)); + p0 = _mm_loadl_epi64((__m128i *)(s - 1 * p)); + q0 = _mm_loadl_epi64((__m128i *)(s - 0 * p)); + q1 = _mm_loadl_epi64((__m128i *)(s + 1 * p)); + q2 = _mm_loadl_epi64((__m128i *)(s + 2 * p)); + + lpf_internal_6_dual_sse2(&p2, &q2, &p1, &q1, &p0, &q0, &q1q0, &p1p0, &blimit, + &limit, &thresh); + + _mm_storel_epi64((__m128i *)(s - 1 * p), p1p0); + _mm_storel_epi64((__m128i *)(s - 2 * p), _mm_srli_si128(p1p0, 8)); + _mm_storel_epi64((__m128i *)(s + 0 * p), q1q0); + _mm_storel_epi64((__m128i *)(s + 1 * p), _mm_srli_si128(q1q0, 8)); +} + +static AOM_FORCE_INLINE void lpf_internal_8_sse2( + __m128i *p3, __m128i *q3, __m128i *p2, __m128i *q2, __m128i *p1, + __m128i *q1, __m128i *p0, __m128i *q0, __m128i *q1q0_out, __m128i *p1p0_out, + __m128i *blimit, __m128i *limit, __m128i *thresh) { + const __m128i zero = _mm_setzero_si128(); + __m128i mask, hev, flat; + __m128i p2_16, q2_16, p1_16, p0_16, q0_16, q1_16, p3_16, q3_16, q3p3, + flat_p1p0, flat_q0q1; + __m128i q2p2, q1p1, q0p0; + __m128i q1q0, p1p0, ps1ps0, qs1qs0; + __m128i work_pq, opq2, pq2; + + q3p3 = _mm_unpacklo_epi32(*p3, *q3); + q2p2 = _mm_unpacklo_epi32(*p2, *q2); + q1p1 = _mm_unpacklo_epi32(*p1, *q1); + q0p0 = _mm_unpacklo_epi32(*p0, *q0); + + p1p0 = _mm_unpacklo_epi32(q0p0, q1p1); // p1p0 q1q0 + q1q0 = _mm_srli_si128(p1p0, 8); + + // filter_mask and hev_mask + + // considering sse doesn't have unsigned elements comparison the idea is to + // find at least one case when X > limit, it means the corresponding mask + // bit is set. + // to achieve that we find global max value of all inputs of abs(x-y) or + // (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 If it is > limit the mask is set + // otherwise - not + + const __m128i one = _mm_set1_epi8(1); + const __m128i fe = _mm_set1_epi8(0xfe); + const __m128i ff = _mm_cmpeq_epi8(fe, fe); + __m128i abs_p1q1, abs_p0q0, abs_q1q0, abs_p1p0, work; + + abs_p1p0 = abs_diff(q1p1, q0p0); + abs_q1q0 = _mm_srli_si128(abs_p1p0, 4); + + abs_p0q0 = abs_diff(p1p0, q1q0); + abs_p1q1 = _mm_srli_si128(abs_p0q0, 4); + + flat = _mm_max_epu8(abs_p1p0, abs_q1q0); + hev = _mm_subs_epu8(flat, *thresh); + hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff); + // replicate for the further "merged variables" usage + hev = _mm_unpacklo_epi32(hev, hev); + + abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0); + abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1); + mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), *blimit); + mask = _mm_unpacklo_epi32(mask, zero); + mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff); + // mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1; + mask = _mm_max_epu8(abs_p1p0, mask); + // mask |= (abs(p1 - p0) > limit) * -1; + // mask |= (abs(q1 - q0) > limit) * -1; + + work = _mm_max_epu8(abs_diff(q2p2, q1p1), abs_diff(q3p3, q2p2)); + + mask = _mm_max_epu8(work, mask); + mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 4)); + mask = _mm_subs_epu8(mask, *limit); + mask = _mm_cmpeq_epi8(mask, zero); + + // lp filter - the same for 6, 8 and 14 versions + filter4_sse2(&p1p0, &q1q0, &hev, &mask, q1q0_out, p1p0_out); + + // flat_mask4 + flat = _mm_max_epu8(abs_diff(q2p2, q0p0), abs_diff(q3p3, q0p0)); + flat = _mm_max_epu8(abs_p1p0, flat); + + flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 4)); + flat = _mm_subs_epu8(flat, one); + flat = _mm_cmpeq_epi8(flat, zero); + flat = _mm_and_si128(flat, mask); + // replicate for the further "merged variables" usage + flat = _mm_unpacklo_epi32(flat, flat); + flat = _mm_unpacklo_epi64(flat, flat); + + // filter8 need it only if flat !=0 + if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat, zero))) { + const __m128i four = _mm_set1_epi16(4); + __m128i workp_a, workp_b, workp_c, workp_d, workp_shft1, workp_shft2; + p2_16 = _mm_unpacklo_epi8(*p2, zero); + p1_16 = _mm_unpacklo_epi8(*p1, zero); + p0_16 = _mm_unpacklo_epi8(*p0, zero); + q0_16 = _mm_unpacklo_epi8(*q0, zero); + q1_16 = _mm_unpacklo_epi8(*q1, zero); + q2_16 = _mm_unpacklo_epi8(*q2, zero); + p3_16 = _mm_unpacklo_epi8(*p3, zero); + q3_16 = _mm_unpacklo_epi8(*q3, zero); + + // op2 + workp_a = + _mm_add_epi16(_mm_add_epi16(p3_16, p3_16), _mm_add_epi16(p2_16, p1_16)); + workp_a = _mm_add_epi16(_mm_add_epi16(workp_a, four), p0_16); + workp_b = _mm_add_epi16(_mm_add_epi16(q0_16, p2_16), p3_16); + workp_shft2 = _mm_add_epi16(workp_a, workp_b); + + // op1 + workp_b = _mm_add_epi16(_mm_add_epi16(q0_16, q1_16), p1_16); + workp_c = _mm_add_epi16(workp_a, workp_b); + // workp_shft0 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3); + + // op0 + workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p3_16), q2_16); + workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, p1_16), p0_16); + workp_d = _mm_add_epi16(workp_a, workp_b); + // workp_shft1 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3); + + workp_c = _mm_unpacklo_epi64(workp_d, workp_c); + workp_c = _mm_srli_epi16(workp_c, 3); + flat_p1p0 = _mm_packus_epi16(workp_c, workp_c); + + // oq0 + workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p3_16), q3_16); + workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, p0_16), q0_16); + // workp_shft0 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3); + workp_c = _mm_add_epi16(workp_a, workp_b); + + // oq1 + workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p2_16), q3_16); + workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, q0_16), q1_16); + workp_d = _mm_add_epi16(workp_a, workp_b); + // workp_shft1 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3); + + workp_c = _mm_unpacklo_epi64(workp_c, workp_d); + workp_c = _mm_srli_epi16(workp_c, 3); + flat_q0q1 = _mm_packus_epi16(workp_c, workp_c); + + // oq2 + workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p1_16), q3_16); + workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, q1_16), q2_16); + workp_shft1 = _mm_add_epi16(workp_a, workp_b); + + workp_c = _mm_unpacklo_epi64(workp_shft2, workp_shft1); + workp_c = _mm_srli_epi16(workp_c, 3); + + opq2 = _mm_packus_epi16(workp_c, workp_c); + + work_pq = _mm_andnot_si128(flat, q2p2); + pq2 = _mm_and_si128(flat, opq2); + *p2 = _mm_or_si128(work_pq, pq2); + *q2 = _mm_srli_si128(*p2, 4); + + qs1qs0 = _mm_andnot_si128(flat, *q1q0_out); + q1q0 = _mm_and_si128(flat, flat_q0q1); + *q1q0_out = _mm_or_si128(qs1qs0, q1q0); + + ps1ps0 = _mm_andnot_si128(flat, *p1p0_out); + p1p0 = _mm_and_si128(flat, flat_p1p0); + *p1p0_out = _mm_or_si128(ps1ps0, p1p0); + } +} + +static AOM_FORCE_INLINE void lpf_internal_8_dual_sse2( + __m128i *p3, __m128i *q3, __m128i *p2, __m128i *q2, __m128i *p1, + __m128i *q1, __m128i *p0, __m128i *q0, __m128i *q1q0_out, __m128i *p1p0_out, + __m128i *blimit, __m128i *limit, __m128i *thresh) { + const __m128i zero = _mm_setzero_si128(); + __m128i mask, hev, flat; + __m128i p2_16, q2_16, p1_16, p0_16, q0_16, q1_16, p3_16, q3_16, q3p3, + flat_p1p0, flat_q0q1; + __m128i q2p2, q1p1, q0p0; + __m128i q1q0, p1p0, ps1ps0, qs1qs0; + __m128i work_pq, opq2, pq2; + + q3p3 = _mm_unpacklo_epi64(*p3, *q3); + q2p2 = _mm_unpacklo_epi64(*p2, *q2); + q1p1 = _mm_unpacklo_epi64(*p1, *q1); + q0p0 = _mm_unpacklo_epi64(*p0, *q0); + + p1p0 = _mm_unpacklo_epi64(q0p0, q1p1); + q1q0 = _mm_unpackhi_epi64(q0p0, q1p1); + + { + // filter_mask and hev_mask + + // considering sse doesn't have unsigned elements comparison the idea is to + // find at least one case when X > limit, it means the corresponding mask + // bit is set. + // to achieve that we find global max value of all inputs of abs(x-y) or + // (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 If it is > limit the mask is set + // otherwise - not + + const __m128i one = _mm_set1_epi8(1); + const __m128i fe = _mm_set1_epi8(0xfe); + const __m128i ff = _mm_cmpeq_epi8(fe, fe); + __m128i abs_p1q1, abs_p0q0, abs_q1q0, abs_p1p0, work; + + abs_p1p0 = abs_diff(q1p1, q0p0); + abs_q1q0 = _mm_srli_si128(abs_p1p0, 8); + + abs_p0q0 = abs_diff(p1p0, q1q0); + abs_p1q1 = _mm_srli_si128(abs_p0q0, 8); + abs_p0q0 = _mm_unpacklo_epi64(abs_p0q0, abs_p0q0); + + flat = _mm_max_epu8(abs_p1p0, abs_q1q0); + hev = _mm_subs_epu8(flat, *thresh); + hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff); + // replicate for the further "merged variables" usage + hev = _mm_unpacklo_epi64(hev, hev); + + abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0); + abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1); + mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), *blimit); + mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff); + // mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1; + mask = _mm_max_epu8(abs_p1p0, mask); + // mask |= (abs(p1 - p0) > limit) * -1; + // mask |= (abs(q1 - q0) > limit) * -1; + + work = _mm_max_epu8(abs_diff(q2p2, q1p1), abs_diff(q3p3, q2p2)); + + mask = _mm_max_epu8(work, mask); + mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 8)); + mask = _mm_subs_epu8(mask, *limit); + mask = _mm_cmpeq_epi8(mask, zero); + + // lp filter - the same for 6, 8 and 14 versions + filter4_dual_sse2(&p1p0, &q1q0, &hev, &mask, q1q0_out, p1p0_out); + + // flat_mask4 + flat = _mm_max_epu8(abs_diff(q2p2, q0p0), abs_diff(q3p3, q0p0)); + flat = _mm_max_epu8(abs_p1p0, flat); + + flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 8)); + flat = _mm_subs_epu8(flat, one); + flat = _mm_cmpeq_epi8(flat, zero); + flat = _mm_and_si128(flat, mask); + // replicate for the further "merged variables" usage + flat = _mm_unpacklo_epi64(flat, flat); + } + + // filter8 need it only if flat !=0 + if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat, zero))) { + const __m128i four = _mm_set1_epi16(4); + + __m128i workp_a, workp_b, workp_shft0, workp_shft1, workp_shft2; + p2_16 = _mm_unpacklo_epi8(*p2, zero); + p1_16 = _mm_unpacklo_epi8(*p1, zero); + p0_16 = _mm_unpacklo_epi8(*p0, zero); + q0_16 = _mm_unpacklo_epi8(*q0, zero); + q1_16 = _mm_unpacklo_epi8(*q1, zero); + q2_16 = _mm_unpacklo_epi8(*q2, zero); + p3_16 = _mm_unpacklo_epi8(*p3, zero); + q3_16 = _mm_unpacklo_epi8(*q3, zero); + + // op2 + workp_a = + _mm_add_epi16(_mm_add_epi16(p3_16, p3_16), _mm_add_epi16(p2_16, p1_16)); + workp_a = _mm_add_epi16(_mm_add_epi16(workp_a, four), p0_16); + workp_b = _mm_add_epi16(_mm_add_epi16(q0_16, p2_16), p3_16); + workp_shft2 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3); + + // op1 + workp_b = _mm_add_epi16(_mm_add_epi16(q0_16, q1_16), p1_16); + workp_shft0 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3); + + // op0 + workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p3_16), q2_16); + workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, p1_16), p0_16); + workp_shft1 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3); + + flat_p1p0 = _mm_packus_epi16(workp_shft1, workp_shft0); + + // oq0 + workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p3_16), q3_16); + workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, p0_16), q0_16); + workp_shft0 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3); + + // oq1 + workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p2_16), q3_16); + workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, q0_16), q1_16); + workp_shft1 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3); + + flat_q0q1 = _mm_packus_epi16(workp_shft0, workp_shft1); + + // oq2 + workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p1_16), q3_16); + workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, q1_16), q2_16); + workp_shft1 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3); + + opq2 = _mm_packus_epi16(workp_shft2, workp_shft1); + + work_pq = _mm_andnot_si128(flat, q2p2); + pq2 = _mm_and_si128(flat, opq2); + *p2 = _mm_or_si128(work_pq, pq2); + *q2 = _mm_srli_si128(*p2, 8); + + qs1qs0 = _mm_andnot_si128(flat, *q1q0_out); + q1q0 = _mm_and_si128(flat, flat_q0q1); + *q1q0_out = _mm_or_si128(qs1qs0, q1q0); + + ps1ps0 = _mm_andnot_si128(flat, *p1p0_out); + p1p0 = _mm_and_si128(flat, flat_p1p0); + *p1p0_out = _mm_or_si128(ps1ps0, p1p0); + } +} + +void aom_lpf_horizontal_8_sse2(unsigned char *s, int p, + const unsigned char *_blimit, + const unsigned char *_limit, + const unsigned char *_thresh) { + __m128i p2, p1, p0, q0, q1, q2, p3, q3; + __m128i q1q0, p1p0; + __m128i blimit = _mm_load_si128((const __m128i *)_blimit); + __m128i limit = _mm_load_si128((const __m128i *)_limit); + __m128i thresh = _mm_load_si128((const __m128i *)_thresh); + + p3 = _mm_cvtsi32_si128(*(int *)(s - 4 * p)); + p2 = _mm_cvtsi32_si128(*(int *)(s - 3 * p)); + p1 = _mm_cvtsi32_si128(*(int *)(s - 2 * p)); + p0 = _mm_cvtsi32_si128(*(int *)(s - 1 * p)); + q0 = _mm_cvtsi32_si128(*(int *)(s - 0 * p)); + q1 = _mm_cvtsi32_si128(*(int *)(s + 1 * p)); + q2 = _mm_cvtsi32_si128(*(int *)(s + 2 * p)); + q3 = _mm_cvtsi32_si128(*(int *)(s + 3 * p)); + + lpf_internal_8_sse2(&p3, &q3, &p2, &q2, &p1, &q1, &p0, &q0, &q1q0, &p1p0, + &blimit, &limit, &thresh); + + xx_storel_32(s - 1 * p, p1p0); + xx_storel_32(s - 2 * p, _mm_srli_si128(p1p0, 4)); + xx_storel_32(s + 0 * p, q1q0); + xx_storel_32(s + 1 * p, _mm_srli_si128(q1q0, 4)); + xx_storel_32(s - 3 * p, p2); + xx_storel_32(s + 2 * p, q2); +} + +void aom_lpf_horizontal_14_dual_sse2(unsigned char *s, int p, + const unsigned char *_blimit0, + const unsigned char *_limit0, + const unsigned char *_thresh0, + const unsigned char *_blimit1, + const unsigned char *_limit1, + const unsigned char *_thresh1) { + __m128i q6p6, q5p5, q4p4, q3p3, q2p2, q1p1, q0p0; + __m128i blimit = + _mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_blimit0), + _mm_load_si128((const __m128i *)_blimit1)); + __m128i limit = _mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_limit0), + _mm_load_si128((const __m128i *)_limit1)); + __m128i thresh = + _mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_thresh0), + _mm_load_si128((const __m128i *)_thresh1)); + + q4p4 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 5 * p)), + _mm_loadl_epi64((__m128i *)(s + 4 * p))); + q3p3 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 4 * p)), + _mm_loadl_epi64((__m128i *)(s + 3 * p))); + q2p2 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 3 * p)), + _mm_loadl_epi64((__m128i *)(s + 2 * p))); + q1p1 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 2 * p)), + _mm_loadl_epi64((__m128i *)(s + 1 * p))); + + q0p0 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 1 * p)), + _mm_loadl_epi64((__m128i *)(s - 0 * p))); + + q5p5 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 6 * p)), + _mm_loadl_epi64((__m128i *)(s + 5 * p))); + + q6p6 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 7 * p)), + _mm_loadl_epi64((__m128i *)(s + 6 * p))); + + lpf_internal_14_dual_sse2(&q6p6, &q5p5, &q4p4, &q3p3, &q2p2, &q1p1, &q0p0, + &blimit, &limit, &thresh); + + _mm_storel_epi64((__m128i *)(s - 1 * p), q0p0); + _mm_storel_epi64((__m128i *)(s + 0 * p), _mm_srli_si128(q0p0, 8)); + _mm_storel_epi64((__m128i *)(s - 2 * p), q1p1); + _mm_storel_epi64((__m128i *)(s + 1 * p), _mm_srli_si128(q1p1, 8)); + _mm_storel_epi64((__m128i *)(s - 3 * p), q2p2); + _mm_storel_epi64((__m128i *)(s + 2 * p), _mm_srli_si128(q2p2, 8)); + _mm_storel_epi64((__m128i *)(s - 4 * p), q3p3); + _mm_storel_epi64((__m128i *)(s + 3 * p), _mm_srli_si128(q3p3, 8)); + _mm_storel_epi64((__m128i *)(s - 5 * p), q4p4); + _mm_storel_epi64((__m128i *)(s + 4 * p), _mm_srli_si128(q4p4, 8)); + _mm_storel_epi64((__m128i *)(s - 6 * p), q5p5); + _mm_storel_epi64((__m128i *)(s + 5 * p), _mm_srli_si128(q5p5, 8)); +} + +void aom_lpf_horizontal_8_dual_sse2(uint8_t *s, int p, const uint8_t *_blimit0, + const uint8_t *_limit0, + const uint8_t *_thresh0, + const uint8_t *_blimit1, + const uint8_t *_limit1, + const uint8_t *_thresh1) { + __m128i blimit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_blimit0), + _mm_load_si128((__m128i *)_blimit1)); + __m128i limit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_limit0), + _mm_load_si128((__m128i *)_limit1)); + __m128i thresh = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_thresh0), + _mm_load_si128((__m128i *)_thresh1)); + + __m128i p2, p1, p0, q0, q1, q2, p3, q3; + __m128i q1q0, p1p0; + + p3 = _mm_loadl_epi64((__m128i *)(s - 4 * p)); + p2 = _mm_loadl_epi64((__m128i *)(s - 3 * p)); + p1 = _mm_loadl_epi64((__m128i *)(s - 2 * p)); + p0 = _mm_loadl_epi64((__m128i *)(s - 1 * p)); + q0 = _mm_loadl_epi64((__m128i *)(s - 0 * p)); + q1 = _mm_loadl_epi64((__m128i *)(s + 1 * p)); + q2 = _mm_loadl_epi64((__m128i *)(s + 2 * p)); + q3 = _mm_loadl_epi64((__m128i *)(s + 3 * p)); + + lpf_internal_8_dual_sse2(&p3, &q3, &p2, &q2, &p1, &q1, &p0, &q0, &q1q0, &p1p0, + &blimit, &limit, &thresh); + + _mm_storel_epi64((__m128i *)(s - 1 * p), p1p0); + _mm_storel_epi64((__m128i *)(s - 2 * p), _mm_srli_si128(p1p0, 8)); + _mm_storel_epi64((__m128i *)(s + 0 * p), q1q0); + _mm_storel_epi64((__m128i *)(s + 1 * p), _mm_srli_si128(q1q0, 8)); + _mm_storel_epi64((__m128i *)(s - 3 * p), p2); + _mm_storel_epi64((__m128i *)(s + 2 * p), q2); +} + +void aom_lpf_horizontal_4_dual_sse2(unsigned char *s, int p, + const unsigned char *_blimit0, + const unsigned char *_limit0, + const unsigned char *_thresh0, + const unsigned char *_blimit1, + const unsigned char *_limit1, + const unsigned char *_thresh1) { + __m128i p1, p0, q0, q1; + __m128i qs1qs0, ps1ps0; + + p1 = _mm_loadl_epi64((__m128i *)(s - 2 * p)); + p0 = _mm_loadl_epi64((__m128i *)(s - 1 * p)); + q0 = _mm_loadl_epi64((__m128i *)(s - 0 * p)); + q1 = _mm_loadl_epi64((__m128i *)(s + 1 * p)); + + const __m128i zero = _mm_setzero_si128(); + const __m128i blimit = + _mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_blimit0), + _mm_load_si128((const __m128i *)_blimit1)); + const __m128i limit = + _mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_limit0), + _mm_load_si128((const __m128i *)_limit1)); + + __m128i l = _mm_unpacklo_epi64(blimit, limit); + + __m128i thresh0 = + _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)_thresh0), zero); + + __m128i thresh1 = + _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)_thresh1), zero); + + __m128i t = _mm_unpacklo_epi64(thresh0, thresh1); + + lpf_internal_4_dual_sse2(&p1, &p0, &q0, &q1, &l, &t, &qs1qs0, &ps1ps0); + + _mm_storel_epi64((__m128i *)(s - 1 * p), ps1ps0); + _mm_storel_epi64((__m128i *)(s - 2 * p), _mm_srli_si128(ps1ps0, 8)); + _mm_storel_epi64((__m128i *)(s + 0 * p), qs1qs0); + _mm_storel_epi64((__m128i *)(s + 1 * p), _mm_srli_si128(qs1qs0, 8)); +} + +void aom_lpf_vertical_4_dual_sse2(uint8_t *s, int p, const uint8_t *_blimit0, + const uint8_t *_limit0, + const uint8_t *_thresh0, + const uint8_t *_blimit1, + const uint8_t *_limit1, + const uint8_t *_thresh1) { + __m128i p0, q0, q1, p1; + __m128i x0, x1, x2, x3, x4, x5, x6, x7; + __m128i d0, d1, d2, d3, d4, d5, d6, d7; + __m128i qs1qs0, ps1ps0; + + const __m128i zero = _mm_setzero_si128(); + const __m128i blimit = + _mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_blimit0), + _mm_load_si128((const __m128i *)_blimit1)); + const __m128i limit = + _mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_limit0), + _mm_load_si128((const __m128i *)_limit1)); + + __m128i l = _mm_unpacklo_epi64(blimit, limit); + + __m128i thresh0 = + _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)_thresh0), zero); + + __m128i thresh1 = + _mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)_thresh1), zero); + + __m128i t = _mm_unpacklo_epi64(thresh0, thresh1); + + x0 = _mm_loadl_epi64((__m128i *)((s - 2))); + x1 = _mm_loadl_epi64((__m128i *)((s - 2) + p)); + x2 = _mm_loadl_epi64((__m128i *)((s - 2) + 2 * p)); + x3 = _mm_loadl_epi64((__m128i *)((s - 2) + 3 * p)); + x4 = _mm_loadl_epi64((__m128i *)((s - 2) + 4 * p)); + x5 = _mm_loadl_epi64((__m128i *)((s - 2) + 5 * p)); + x6 = _mm_loadl_epi64((__m128i *)((s - 2) + 6 * p)); + x7 = _mm_loadl_epi64((__m128i *)((s - 2) + 7 * p)); + + transpose8x8_low_sse2(&x0, &x1, &x2, &x3, &x4, &x5, &x6, &x7, &p1, &p0, &q0, + &q1); + + lpf_internal_4_dual_sse2(&p1, &p0, &q0, &q1, &l, &t, &qs1qs0, &ps1ps0); + + p1 = _mm_srli_si128(ps1ps0, 8); + q1 = _mm_srli_si128(qs1qs0, 8); + + transpose4x8_8x4_sse2(&p1, &ps1ps0, &qs1qs0, &q1, &d0, &d1, &d2, &d3, &d4, + &d5, &d6, &d7); + + xx_storel_32((s - 2 + 0 * p), d0); + xx_storel_32((s - 2 + 1 * p), d1); + xx_storel_32((s - 2 + 2 * p), d2); + xx_storel_32((s - 2 + 3 * p), d3); + xx_storel_32((s - 2 + 4 * p), d4); + xx_storel_32((s - 2 + 5 * p), d5); + xx_storel_32((s - 2 + 6 * p), d6); + xx_storel_32((s - 2 + 7 * p), d7); +} + +void aom_lpf_vertical_6_sse2(unsigned char *s, int p, + const unsigned char *_blimit, + const unsigned char *_limit, + const unsigned char *_thresh) { + __m128i d0, d1, d2, d3, d4, d5, d6, d7; + __m128i x2, x1, x0, x3; + __m128i p0, q0; + __m128i p1p0, q1q0; + __m128i blimit = _mm_load_si128((__m128i *)_blimit); + __m128i limit = _mm_load_si128((__m128i *)_limit); + __m128i thresh = _mm_load_si128((__m128i *)_thresh); + + x3 = _mm_loadl_epi64((__m128i *)((s - 3) + 0 * p)); + x2 = _mm_loadl_epi64((__m128i *)((s - 3) + 1 * p)); + x1 = _mm_loadl_epi64((__m128i *)((s - 3) + 2 * p)); + x0 = _mm_loadl_epi64((__m128i *)((s - 3) + 3 * p)); + + transpose4x8_8x4_sse2(&x3, &x2, &x1, &x0, &d0, &d1, &d2, &d3, &d4, &d5, &d6, + &d7); + + lpf_internal_6_sse2(&d0, &d5, &d1, &d4, &d2, &d3, &q1q0, &p1p0, &blimit, + &limit, &thresh); + + p0 = _mm_srli_si128(p1p0, 4); + q0 = _mm_srli_si128(q1q0, 4); + + transpose4x8_8x4_low_sse2(&p0, &p1p0, &q1q0, &q0, &d0, &d1, &d2, &d3); + + xx_storel_32(s + 0 * p - 2, d0); + xx_storel_32(s + 1 * p - 2, d1); + xx_storel_32(s + 2 * p - 2, d2); + xx_storel_32(s + 3 * p - 2, d3); +} + +void aom_lpf_vertical_6_dual_sse2(uint8_t *s, int p, const uint8_t *_blimit0, + const uint8_t *_limit0, + const uint8_t *_thresh0, + const uint8_t *_blimit1, + const uint8_t *_limit1, + const uint8_t *_thresh1) { + __m128i blimit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_blimit0), + _mm_load_si128((__m128i *)_blimit1)); + __m128i limit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_limit0), + _mm_load_si128((__m128i *)_limit1)); + __m128i thresh = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_thresh0), + _mm_load_si128((__m128i *)_thresh1)); + + __m128i d0, d1, d2, d3, d4, d5, d6, d7; + __m128i x0, x1, x2, x3, x4, x5, x6, x7; + __m128i p0, q0; + __m128i p1p0, q1q0; + __m128i d0d1, d2d3, d4d5, d6d7; + + x0 = _mm_loadl_epi64((__m128i *)((s - 3) + 0 * p)); + x1 = _mm_loadl_epi64((__m128i *)((s - 3) + 1 * p)); + x2 = _mm_loadl_epi64((__m128i *)((s - 3) + 2 * p)); + x3 = _mm_loadl_epi64((__m128i *)((s - 3) + 3 * p)); + x4 = _mm_loadl_epi64((__m128i *)((s - 3) + 4 * p)); + x5 = _mm_loadl_epi64((__m128i *)((s - 3) + 5 * p)); + x6 = _mm_loadl_epi64((__m128i *)((s - 3) + 6 * p)); + x7 = _mm_loadl_epi64((__m128i *)((s - 3) + 7 * p)); + + transpose8x8_sse2(&x0, &x1, &x2, &x3, &x4, &x5, &x6, &x7, &d0d1, &d2d3, &d4d5, + &d6d7); + + d1 = _mm_srli_si128(d0d1, 8); + d3 = _mm_srli_si128(d2d3, 8); + d5 = _mm_srli_si128(d4d5, 8); + d7 = _mm_srli_si128(d6d7, 8); + + lpf_internal_6_dual_sse2(&d0d1, &d5, &d1, &d4d5, &d2d3, &d3, &q1q0, &p1p0, + &blimit, &limit, &thresh); + + p0 = _mm_srli_si128(p1p0, 8); + q0 = _mm_srli_si128(q1q0, 8); + + transpose4x8_8x4_sse2(&p0, &p1p0, &q1q0, &q0, &d0, &d1, &d2, &d3, &d4, &d5, + &d6, &d7); + + xx_storel_32((s - 2 + 0 * p), d0); + xx_storel_32((s - 2 + 1 * p), d1); + xx_storel_32((s - 2 + 2 * p), d2); + xx_storel_32((s - 2 + 3 * p), d3); + xx_storel_32((s - 2 + 4 * p), d4); + xx_storel_32((s - 2 + 5 * p), d5); + xx_storel_32((s - 2 + 6 * p), d6); + xx_storel_32((s - 2 + 7 * p), d7); +} + +void aom_lpf_vertical_8_sse2(unsigned char *s, int p, + const unsigned char *_blimit, + const unsigned char *_limit, + const unsigned char *_thresh) { + __m128i d0, d1, d2, d3, d4, d5, d6, d7; + + __m128i p0, q0; + __m128i x2, x1, x0, x3; + __m128i q1q0, p1p0; + __m128i blimit = _mm_load_si128((const __m128i *)_blimit); + __m128i limit = _mm_load_si128((const __m128i *)_limit); + __m128i thresh = _mm_load_si128((const __m128i *)_thresh); + + x3 = _mm_loadl_epi64((__m128i *)((s - 4) + 0 * p)); + x2 = _mm_loadl_epi64((__m128i *)((s - 4) + 1 * p)); + x1 = _mm_loadl_epi64((__m128i *)((s - 4) + 2 * p)); + x0 = _mm_loadl_epi64((__m128i *)((s - 4) + 3 * p)); + + transpose4x8_8x4_sse2(&x3, &x2, &x1, &x0, &d0, &d1, &d2, &d3, &d4, &d5, &d6, + &d7); + // Loop filtering + lpf_internal_8_sse2(&d0, &d7, &d1, &d6, &d2, &d5, &d3, &d4, &q1q0, &p1p0, + &blimit, &limit, &thresh); + + p0 = _mm_srli_si128(p1p0, 4); + q0 = _mm_srli_si128(q1q0, 4); + + transpose8x8_low_sse2(&d0, &d1, &p0, &p1p0, &q1q0, &q0, &d6, &d7, &d0, &d1, + &d2, &d3); + + _mm_storel_epi64((__m128i *)(s - 4 + 0 * p), d0); + _mm_storel_epi64((__m128i *)(s - 4 + 1 * p), d1); + _mm_storel_epi64((__m128i *)(s - 4 + 2 * p), d2); + _mm_storel_epi64((__m128i *)(s - 4 + 3 * p), d3); +} + +void aom_lpf_vertical_8_dual_sse2(uint8_t *s, int p, const uint8_t *_blimit0, + const uint8_t *_limit0, + const uint8_t *_thresh0, + const uint8_t *_blimit1, + const uint8_t *_limit1, + const uint8_t *_thresh1) { + __m128i blimit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_blimit0), + _mm_load_si128((__m128i *)_blimit1)); + __m128i limit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_limit0), + _mm_load_si128((__m128i *)_limit1)); + __m128i thresh = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_thresh0), + _mm_load_si128((__m128i *)_thresh1)); + + __m128i x0, x1, x2, x3, x4, x5, x6, x7; + __m128i d1, d3, d5, d7; + __m128i q1q0, p1p0; + __m128i p1, q1; + __m128i d0d1, d2d3, d4d5, d6d7; + + x0 = _mm_loadl_epi64((__m128i *)(s - 4 + 0 * p)); + x1 = _mm_loadl_epi64((__m128i *)(s - 4 + 1 * p)); + x2 = _mm_loadl_epi64((__m128i *)(s - 4 + 2 * p)); + x3 = _mm_loadl_epi64((__m128i *)(s - 4 + 3 * p)); + x4 = _mm_loadl_epi64((__m128i *)(s - 4 + 4 * p)); + x5 = _mm_loadl_epi64((__m128i *)(s - 4 + 5 * p)); + x6 = _mm_loadl_epi64((__m128i *)(s - 4 + 6 * p)); + x7 = _mm_loadl_epi64((__m128i *)(s - 4 + 7 * p)); + + transpose8x8_sse2(&x0, &x1, &x2, &x3, &x4, &x5, &x6, &x7, &d0d1, &d2d3, &d4d5, + &d6d7); + + d1 = _mm_srli_si128(d0d1, 8); + d3 = _mm_srli_si128(d2d3, 8); + d5 = _mm_srli_si128(d4d5, 8); + d7 = _mm_srli_si128(d6d7, 8); + + lpf_internal_8_dual_sse2(&d0d1, &d7, &d1, &d6d7, &d2d3, &d5, &d3, &d4d5, + &q1q0, &p1p0, &blimit, &limit, &thresh); + + p1 = _mm_srli_si128(p1p0, 8); + q1 = _mm_srli_si128(q1q0, 8); + + transpose8x8_sse2(&d0d1, &d1, &p1, &p1p0, &q1q0, &q1, &d6d7, &d7, &d0d1, + &d2d3, &d4d5, &d6d7); + + _mm_storel_epi64((__m128i *)(s - 4 + 0 * p), d0d1); + _mm_storel_epi64((__m128i *)(s - 4 + 1 * p), _mm_srli_si128(d0d1, 8)); + _mm_storel_epi64((__m128i *)(s - 4 + 2 * p), d2d3); + _mm_storel_epi64((__m128i *)(s - 4 + 3 * p), _mm_srli_si128(d2d3, 8)); + _mm_storel_epi64((__m128i *)(s - 4 + 4 * p), d4d5); + _mm_storel_epi64((__m128i *)(s - 4 + 5 * p), _mm_srli_si128(d4d5, 8)); + _mm_storel_epi64((__m128i *)(s - 4 + 6 * p), d6d7); + _mm_storel_epi64((__m128i *)(s - 4 + 7 * p), _mm_srli_si128(d6d7, 8)); +} + +void aom_lpf_vertical_14_sse2(unsigned char *s, int p, + const unsigned char *_blimit, + const unsigned char *_limit, + const unsigned char *_thresh) { + __m128i q7p7, q6p6, q5p5, q4p4, q3p3, q2p2, q1p1, q0p0; + __m128i x6, x5, x4, x3; + __m128i pq0, pq1, pq2, pq3; + __m128i blimit = _mm_load_si128((__m128i *)_blimit); + __m128i limit = _mm_load_si128((__m128i *)_limit); + __m128i thresh = _mm_load_si128((__m128i *)_thresh); + + x6 = _mm_loadu_si128((__m128i *)((s - 8) + 0 * p)); + x5 = _mm_loadu_si128((__m128i *)((s - 8) + 1 * p)); + x4 = _mm_loadu_si128((__m128i *)((s - 8) + 2 * p)); + x3 = _mm_loadu_si128((__m128i *)((s - 8) + 3 * p)); + + transpose_pq_14_sse2(&x6, &x5, &x4, &x3, &q0p0, &q1p1, &q2p2, &q3p3, &q4p4, + &q5p5, &q6p6, &q7p7); + + lpf_internal_14_sse2(&q6p6, &q5p5, &q4p4, &q3p3, &q2p2, &q1p1, &q0p0, &blimit, + &limit, &thresh); + + transpose_pq_14_inv_sse2(&q7p7, &q6p6, &q5p5, &q4p4, &q3p3, &q2p2, &q1p1, + &q0p0, &pq0, &pq1, &pq2, &pq3); + _mm_storeu_si128((__m128i *)(s - 8 + 0 * p), pq0); + _mm_storeu_si128((__m128i *)(s - 8 + 1 * p), pq1); + _mm_storeu_si128((__m128i *)(s - 8 + 2 * p), pq2); + _mm_storeu_si128((__m128i *)(s - 8 + 3 * p), pq3); +} + +void aom_lpf_vertical_14_dual_sse2( + unsigned char *s, int p, const uint8_t *_blimit0, const uint8_t *_limit0, + const uint8_t *_thresh0, const uint8_t *_blimit1, const uint8_t *_limit1, + const uint8_t *_thresh1) { + __m128i q6p6, q5p5, q4p4, q3p3, q2p2, q1p1, q0p0; + __m128i x7, x6, x5, x4, x3, x2, x1, x0; + __m128i d0d1, d2d3, d4d5, d6d7, d8d9, d10d11, d12d13, d14d15; + __m128i q0, q1, q2, q3, q7; + __m128i p0p1, p2p3, p4p5, p6p7; + + __m128i blimit = + _mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_blimit0), + _mm_load_si128((const __m128i *)_blimit1)); + __m128i limit = _mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_limit0), + _mm_load_si128((const __m128i *)_limit1)); + __m128i thresh = + _mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_thresh0), + _mm_load_si128((const __m128i *)_thresh1)); + + x7 = _mm_loadu_si128((__m128i *)((s - 8) + 0 * p)); + x6 = _mm_loadu_si128((__m128i *)((s - 8) + 1 * p)); + x5 = _mm_loadu_si128((__m128i *)((s - 8) + 2 * p)); + x4 = _mm_loadu_si128((__m128i *)((s - 8) + 3 * p)); + x3 = _mm_loadu_si128((__m128i *)((s - 8) + 4 * p)); + x2 = _mm_loadu_si128((__m128i *)((s - 8) + 5 * p)); + x1 = _mm_loadu_si128((__m128i *)((s - 8) + 6 * p)); + x0 = _mm_loadu_si128((__m128i *)((s - 8) + 7 * p)); + + transpose8x16_16x8_sse2(&x7, &x6, &x5, &x4, &x3, &x2, &x1, &x0, &d0d1, &d2d3, + &d4d5, &d6d7, &d8d9, &d10d11, &d12d13, &d14d15); + + q6p6 = _mm_unpacklo_epi64(d2d3, _mm_srli_si128(d12d13, 8)); + q5p5 = _mm_unpacklo_epi64(d4d5, _mm_srli_si128(d10d11, 8)); + q4p4 = _mm_unpacklo_epi64(d6d7, _mm_srli_si128(d8d9, 8)); + q3p3 = _mm_unpacklo_epi64(d8d9, _mm_srli_si128(d6d7, 8)); + q2p2 = _mm_unpacklo_epi64(d10d11, _mm_srli_si128(d4d5, 8)); + q1p1 = _mm_unpacklo_epi64(d12d13, _mm_srli_si128(d2d3, 8)); + q0p0 = _mm_unpacklo_epi64(d14d15, _mm_srli_si128(d0d1, 8)); + q7 = _mm_srli_si128(d14d15, 8); + + lpf_internal_14_dual_sse2(&q6p6, &q5p5, &q4p4, &q3p3, &q2p2, &q1p1, &q0p0, + &blimit, &limit, &thresh); + + x0 = _mm_srli_si128(q0p0, 8); + x1 = _mm_srli_si128(q1p1, 8); + x2 = _mm_srli_si128(q2p2, 8); + x3 = _mm_srli_si128(q3p3, 8); + x4 = _mm_srli_si128(q4p4, 8); + x5 = _mm_srli_si128(q5p5, 8); + x6 = _mm_srli_si128(q6p6, 8); + + transpose16x8_8x16_sse2(&d0d1, &q6p6, &q5p5, &q4p4, &q3p3, &q2p2, &q1p1, + &q0p0, &x0, &x1, &x2, &x3, &x4, &x5, &x6, &q7, &p0p1, + &p2p3, &p4p5, &p6p7, &q0, &q1, &q2, &q3); + + _mm_storeu_si128((__m128i *)(s - 8 + 0 * p), p0p1); + _mm_storeu_si128((__m128i *)(s - 8 + 1 * p), p2p3); + _mm_storeu_si128((__m128i *)(s - 8 + 2 * p), p4p5); + _mm_storeu_si128((__m128i *)(s - 8 + 3 * p), p6p7); + _mm_storeu_si128((__m128i *)(s - 8 + 4 * p), q0); + _mm_storeu_si128((__m128i *)(s - 8 + 5 * p), q1); + _mm_storeu_si128((__m128i *)(s - 8 + 6 * p), q2); + _mm_storeu_si128((__m128i *)(s - 8 + 7 * p), q3); +} |