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/*
* Copyright (c) 2018, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#ifndef AOM_AOM_DSP_X86_TRANSPOSE_SSE2_H_
#define AOM_AOM_DSP_X86_TRANSPOSE_SSE2_H_
#include <emmintrin.h> // SSE2
#include "config/aom_config.h"
static INLINE __m128i transpose_8bit_4x4(const __m128i *const in) {
// Unpack 8 bit elements. Goes from:
// in[0]: 00 01 02 03
// in[1]: 10 11 12 13
// in[2]: 20 21 22 23
// in[3]: 30 31 32 33
// to:
// a0: 00 10 01 11 02 12 03 13
// a1: 20 30 21 31 22 32 23 33
const __m128i a0 = _mm_unpacklo_epi8(in[0], in[1]);
const __m128i a1 = _mm_unpacklo_epi8(in[2], in[3]);
// Unpack 16 bit elements resulting in:
// 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33
return _mm_unpacklo_epi16(a0, a1);
}
static INLINE void transpose_8bit_8x8(const __m128i *const in,
__m128i *const out) {
// Unpack 8 bit elements. Goes from:
// in[0]: 00 01 02 03 04 05 06 07
// in[1]: 10 11 12 13 14 15 16 17
// in[2]: 20 21 22 23 24 25 26 27
// in[3]: 30 31 32 33 34 35 36 37
// in[4]: 40 41 42 43 44 45 46 47
// in[5]: 50 51 52 53 54 55 56 57
// in[6]: 60 61 62 63 64 65 66 67
// in[7]: 70 71 72 73 74 75 76 77
// to:
// a0: 00 10 01 11 02 12 03 13 04 14 05 15 06 16 07 17
// a1: 20 30 21 31 22 32 23 33 24 34 25 35 26 36 27 37
// a2: 40 50 41 51 42 52 43 53 44 54 45 55 46 56 47 57
// a3: 60 70 61 71 62 72 63 73 64 74 65 75 66 76 67 77
const __m128i a0 = _mm_unpacklo_epi8(in[0], in[1]);
const __m128i a1 = _mm_unpacklo_epi8(in[2], in[3]);
const __m128i a2 = _mm_unpacklo_epi8(in[4], in[5]);
const __m128i a3 = _mm_unpacklo_epi8(in[6], in[7]);
// Unpack 16 bit elements resulting in:
// b0: 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33
// b1: 40 50 60 70 41 51 61 71 42 52 62 72 43 53 63 73
// b2: 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37
// b3: 44 54 64 74 45 55 65 75 46 56 66 76 47 57 67 77
const __m128i b0 = _mm_unpacklo_epi16(a0, a1);
const __m128i b1 = _mm_unpackhi_epi16(a0, a1);
const __m128i b2 = _mm_unpacklo_epi16(a2, a3);
const __m128i b3 = _mm_unpackhi_epi16(a2, a3);
// Unpack 32 bit elements resulting in:
// c0: 00 10 20 30 40 50 60 70 01 11 21 31 41 51 61 71
// c1: 02 12 22 32 42 52 62 72 03 13 23 33 43 53 63 73
// c2: 04 14 24 34 44 54 64 74 05 15 25 35 45 55 65 75
// c3: 06 16 26 36 46 56 66 76 07 17 27 37 47 57 67 77
const __m128i c0 = _mm_unpacklo_epi32(b0, b2);
const __m128i c1 = _mm_unpackhi_epi32(b0, b2);
const __m128i c2 = _mm_unpacklo_epi32(b1, b3);
const __m128i c3 = _mm_unpackhi_epi32(b1, b3);
// Unpack 64 bit elements resulting in:
// out[0]: 00 10 20 30 40 50 60 70
// out[1]: 01 11 21 31 41 51 61 71
// out[2]: 02 12 22 32 42 52 62 72
// out[3]: 03 13 23 33 43 53 63 73
// out[4]: 04 14 24 34 44 54 64 74
// out[5]: 05 15 25 35 45 55 65 75
// out[6]: 06 16 26 36 46 56 66 76
// out[7]: 07 17 27 37 47 57 67 77
out[0] = _mm_unpacklo_epi64(c0, c0);
out[1] = _mm_unpackhi_epi64(c0, c0);
out[2] = _mm_unpacklo_epi64(c1, c1);
out[3] = _mm_unpackhi_epi64(c1, c1);
out[4] = _mm_unpacklo_epi64(c2, c2);
out[5] = _mm_unpackhi_epi64(c2, c2);
out[6] = _mm_unpacklo_epi64(c3, c3);
out[7] = _mm_unpackhi_epi64(c3, c3);
}
static INLINE void transpose_16bit_4x4(const __m128i *const in,
__m128i *const out) {
// Unpack 16 bit elements. Goes from:
// in[0]: 00 01 02 03 XX XX XX XX
// in[1]: 10 11 12 13 XX XX XX XX
// in[2]: 20 21 22 23 XX XX XX XX
// in[3]: 30 31 32 33 XX XX XX XX
// to:
// a0: 00 10 01 11 02 12 03 13
// a1: 20 30 21 31 22 32 23 33
const __m128i a0 = _mm_unpacklo_epi16(in[0], in[1]);
const __m128i a1 = _mm_unpacklo_epi16(in[2], in[3]);
// Unpack 32 bit elements resulting in:
// out[0]: 00 10 20 30
// out[1]: 01 11 21 31
// out[2]: 02 12 22 32
// out[3]: 03 13 23 33
out[0] = _mm_unpacklo_epi32(a0, a1);
out[1] = _mm_srli_si128(out[0], 8);
out[2] = _mm_unpackhi_epi32(a0, a1);
out[3] = _mm_srli_si128(out[2], 8);
}
static INLINE void transpose_16bit_4x8(const __m128i *const in,
__m128i *const out) {
// Unpack 16 bit elements. Goes from:
// in[0]: 00 01 02 03 XX XX XX XX
// in[1]: 10 11 12 13 XX XX XX XX
// in[2]: 20 21 22 23 XX XX XX XX
// in[3]: 30 31 32 33 XX XX XX XX
// in[4]: 40 41 42 43 XX XX XX XX
// in[5]: 50 51 52 53 XX XX XX XX
// in[6]: 60 61 62 63 XX XX XX XX
// in[7]: 70 71 72 73 XX XX XX XX
// to:
// a0: 00 10 01 11 02 12 03 13
// a1: 20 30 21 31 22 32 23 33
// a2: 40 50 41 51 42 52 43 53
// a3: 60 70 61 71 62 72 63 73
const __m128i a0 = _mm_unpacklo_epi16(in[0], in[1]);
const __m128i a1 = _mm_unpacklo_epi16(in[2], in[3]);
const __m128i a2 = _mm_unpacklo_epi16(in[4], in[5]);
const __m128i a3 = _mm_unpacklo_epi16(in[6], in[7]);
// Unpack 32 bit elements resulting in:
// b0: 00 10 20 30 01 11 21 31
// b1: 40 50 60 70 41 51 61 71
// b2: 02 12 22 32 03 13 23 33
// b3: 42 52 62 72 43 53 63 73
const __m128i b0 = _mm_unpacklo_epi32(a0, a1);
const __m128i b1 = _mm_unpacklo_epi32(a2, a3);
const __m128i b2 = _mm_unpackhi_epi32(a0, a1);
const __m128i b3 = _mm_unpackhi_epi32(a2, a3);
// Unpack 64 bit elements resulting in:
// out[0]: 00 10 20 30 40 50 60 70
// out[1]: 01 11 21 31 41 51 61 71
// out[2]: 02 12 22 32 42 52 62 72
// out[3]: 03 13 23 33 43 53 63 73
out[0] = _mm_unpacklo_epi64(b0, b1);
out[1] = _mm_unpackhi_epi64(b0, b1);
out[2] = _mm_unpacklo_epi64(b2, b3);
out[3] = _mm_unpackhi_epi64(b2, b3);
}
static INLINE void transpose_16bit_8x4(const __m128i *const in,
__m128i *const out) {
// Unpack 16 bit elements. Goes from:
// in[0]: 00 01 02 03 04 05 06 07
// in[1]: 10 11 12 13 14 15 16 17
// in[2]: 20 21 22 23 24 25 26 27
// in[3]: 30 31 32 33 34 35 36 37
// to:
// a0: 00 10 01 11 02 12 03 13
// a1: 20 30 21 31 22 32 23 33
// a4: 04 14 05 15 06 16 07 17
// a5: 24 34 25 35 26 36 27 37
const __m128i a0 = _mm_unpacklo_epi16(in[0], in[1]);
const __m128i a1 = _mm_unpacklo_epi16(in[2], in[3]);
const __m128i a4 = _mm_unpackhi_epi16(in[0], in[1]);
const __m128i a5 = _mm_unpackhi_epi16(in[2], in[3]);
// Unpack 32 bit elements resulting in:
// b0: 00 10 20 30 01 11 21 31
// b2: 04 14 24 34 05 15 25 35
// b4: 02 12 22 32 03 13 23 33
// b6: 06 16 26 36 07 17 27 37
const __m128i b0 = _mm_unpacklo_epi32(a0, a1);
const __m128i b2 = _mm_unpacklo_epi32(a4, a5);
const __m128i b4 = _mm_unpackhi_epi32(a0, a1);
const __m128i b6 = _mm_unpackhi_epi32(a4, a5);
// Unpack 64 bit elements resulting in:
// out[0]: 00 10 20 30 XX XX XX XX
// out[1]: 01 11 21 31 XX XX XX XX
// out[2]: 02 12 22 32 XX XX XX XX
// out[3]: 03 13 23 33 XX XX XX XX
// out[4]: 04 14 24 34 XX XX XX XX
// out[5]: 05 15 25 35 XX XX XX XX
// out[6]: 06 16 26 36 XX XX XX XX
// out[7]: 07 17 27 37 XX XX XX XX
const __m128i zeros = _mm_setzero_si128();
out[0] = _mm_unpacklo_epi64(b0, zeros);
out[1] = _mm_unpackhi_epi64(b0, zeros);
out[2] = _mm_unpacklo_epi64(b4, zeros);
out[3] = _mm_unpackhi_epi64(b4, zeros);
out[4] = _mm_unpacklo_epi64(b2, zeros);
out[5] = _mm_unpackhi_epi64(b2, zeros);
out[6] = _mm_unpacklo_epi64(b6, zeros);
out[7] = _mm_unpackhi_epi64(b6, zeros);
}
static INLINE void transpose_16bit_8x8(const __m128i *const in,
__m128i *const out) {
// Unpack 16 bit elements. Goes from:
// in[0]: 00 01 02 03 04 05 06 07
// in[1]: 10 11 12 13 14 15 16 17
// in[2]: 20 21 22 23 24 25 26 27
// in[3]: 30 31 32 33 34 35 36 37
// in[4]: 40 41 42 43 44 45 46 47
// in[5]: 50 51 52 53 54 55 56 57
// in[6]: 60 61 62 63 64 65 66 67
// in[7]: 70 71 72 73 74 75 76 77
// to:
// a0: 00 10 01 11 02 12 03 13
// a1: 20 30 21 31 22 32 23 33
// a2: 40 50 41 51 42 52 43 53
// a3: 60 70 61 71 62 72 63 73
// a4: 04 14 05 15 06 16 07 17
// a5: 24 34 25 35 26 36 27 37
// a6: 44 54 45 55 46 56 47 57
// a7: 64 74 65 75 66 76 67 77
const __m128i a0 = _mm_unpacklo_epi16(in[0], in[1]);
const __m128i a1 = _mm_unpacklo_epi16(in[2], in[3]);
const __m128i a2 = _mm_unpacklo_epi16(in[4], in[5]);
const __m128i a3 = _mm_unpacklo_epi16(in[6], in[7]);
const __m128i a4 = _mm_unpackhi_epi16(in[0], in[1]);
const __m128i a5 = _mm_unpackhi_epi16(in[2], in[3]);
const __m128i a6 = _mm_unpackhi_epi16(in[4], in[5]);
const __m128i a7 = _mm_unpackhi_epi16(in[6], in[7]);
// Unpack 32 bit elements resulting in:
// b0: 00 10 20 30 01 11 21 31
// b1: 40 50 60 70 41 51 61 71
// b2: 04 14 24 34 05 15 25 35
// b3: 44 54 64 74 45 55 65 75
// b4: 02 12 22 32 03 13 23 33
// b5: 42 52 62 72 43 53 63 73
// b6: 06 16 26 36 07 17 27 37
// b7: 46 56 66 76 47 57 67 77
const __m128i b0 = _mm_unpacklo_epi32(a0, a1);
const __m128i b1 = _mm_unpacklo_epi32(a2, a3);
const __m128i b2 = _mm_unpacklo_epi32(a4, a5);
const __m128i b3 = _mm_unpacklo_epi32(a6, a7);
const __m128i b4 = _mm_unpackhi_epi32(a0, a1);
const __m128i b5 = _mm_unpackhi_epi32(a2, a3);
const __m128i b6 = _mm_unpackhi_epi32(a4, a5);
const __m128i b7 = _mm_unpackhi_epi32(a6, a7);
// Unpack 64 bit elements resulting in:
// out[0]: 00 10 20 30 40 50 60 70
// out[1]: 01 11 21 31 41 51 61 71
// out[2]: 02 12 22 32 42 52 62 72
// out[3]: 03 13 23 33 43 53 63 73
// out[4]: 04 14 24 34 44 54 64 74
// out[5]: 05 15 25 35 45 55 65 75
// out[6]: 06 16 26 36 46 56 66 76
// out[7]: 07 17 27 37 47 57 67 77
out[0] = _mm_unpacklo_epi64(b0, b1);
out[1] = _mm_unpackhi_epi64(b0, b1);
out[2] = _mm_unpacklo_epi64(b4, b5);
out[3] = _mm_unpackhi_epi64(b4, b5);
out[4] = _mm_unpacklo_epi64(b2, b3);
out[5] = _mm_unpackhi_epi64(b2, b3);
out[6] = _mm_unpacklo_epi64(b6, b7);
out[7] = _mm_unpackhi_epi64(b6, b7);
}
// Transpose in-place
static INLINE void transpose_16bit_16x16(__m128i *const left,
__m128i *const right) {
__m128i tbuf[8];
transpose_16bit_8x8(left, left);
transpose_16bit_8x8(right, tbuf);
transpose_16bit_8x8(left + 8, right);
transpose_16bit_8x8(right + 8, right + 8);
left[8] = tbuf[0];
left[9] = tbuf[1];
left[10] = tbuf[2];
left[11] = tbuf[3];
left[12] = tbuf[4];
left[13] = tbuf[5];
left[14] = tbuf[6];
left[15] = tbuf[7];
}
static INLINE void transpose_32bit_4x4(const __m128i *const in,
__m128i *const out) {
// Unpack 32 bit elements. Goes from:
// in[0]: 00 01 02 03
// in[1]: 10 11 12 13
// in[2]: 20 21 22 23
// in[3]: 30 31 32 33
// to:
// a0: 00 10 01 11
// a1: 20 30 21 31
// a2: 02 12 03 13
// a3: 22 32 23 33
const __m128i a0 = _mm_unpacklo_epi32(in[0], in[1]);
const __m128i a1 = _mm_unpacklo_epi32(in[2], in[3]);
const __m128i a2 = _mm_unpackhi_epi32(in[0], in[1]);
const __m128i a3 = _mm_unpackhi_epi32(in[2], in[3]);
// Unpack 64 bit elements resulting in:
// out[0]: 00 10 20 30
// out[1]: 01 11 21 31
// out[2]: 02 12 22 32
// out[3]: 03 13 23 33
out[0] = _mm_unpacklo_epi64(a0, a1);
out[1] = _mm_unpackhi_epi64(a0, a1);
out[2] = _mm_unpacklo_epi64(a2, a3);
out[3] = _mm_unpackhi_epi64(a2, a3);
}
static INLINE void transpose_32bit_4x4x2(const __m128i *const in,
__m128i *const out) {
// Unpack 32 bit elements. Goes from:
// in[0]: 00 01 02 03
// in[1]: 10 11 12 13
// in[2]: 20 21 22 23
// in[3]: 30 31 32 33
// in[4]: 04 05 06 07
// in[5]: 14 15 16 17
// in[6]: 24 25 26 27
// in[7]: 34 35 36 37
// to:
// a0: 00 10 01 11
// a1: 20 30 21 31
// a2: 02 12 03 13
// a3: 22 32 23 33
// a4: 04 14 05 15
// a5: 24 34 25 35
// a6: 06 16 07 17
// a7: 26 36 27 37
const __m128i a0 = _mm_unpacklo_epi32(in[0], in[1]);
const __m128i a1 = _mm_unpacklo_epi32(in[2], in[3]);
const __m128i a2 = _mm_unpackhi_epi32(in[0], in[1]);
const __m128i a3 = _mm_unpackhi_epi32(in[2], in[3]);
const __m128i a4 = _mm_unpacklo_epi32(in[4], in[5]);
const __m128i a5 = _mm_unpacklo_epi32(in[6], in[7]);
const __m128i a6 = _mm_unpackhi_epi32(in[4], in[5]);
const __m128i a7 = _mm_unpackhi_epi32(in[6], in[7]);
// Unpack 64 bit elements resulting in:
// out[0]: 00 10 20 30
// out[1]: 01 11 21 31
// out[2]: 02 12 22 32
// out[3]: 03 13 23 33
// out[4]: 04 14 24 34
// out[5]: 05 15 25 35
// out[6]: 06 16 26 36
// out[7]: 07 17 27 37
out[0] = _mm_unpacklo_epi64(a0, a1);
out[1] = _mm_unpackhi_epi64(a0, a1);
out[2] = _mm_unpacklo_epi64(a2, a3);
out[3] = _mm_unpackhi_epi64(a2, a3);
out[4] = _mm_unpacklo_epi64(a4, a5);
out[5] = _mm_unpackhi_epi64(a4, a5);
out[6] = _mm_unpacklo_epi64(a6, a7);
out[7] = _mm_unpackhi_epi64(a6, a7);
}
static INLINE void transpose_32bit_8x4(const __m128i *const in,
__m128i *const out) {
// Unpack 32 bit elements. Goes from:
// in[0]: 00 01 02 03
// in[1]: 04 05 06 07
// in[2]: 10 11 12 13
// in[3]: 14 15 16 17
// in[4]: 20 21 22 23
// in[5]: 24 25 26 27
// in[6]: 30 31 32 33
// in[7]: 34 35 36 37
// to:
// a0: 00 10 01 11
// a1: 20 30 21 31
// a2: 02 12 03 13
// a3: 22 32 23 33
// a4: 04 14 05 15
// a5: 24 34 25 35
// a6: 06 16 07 17
// a7: 26 36 27 37
const __m128i a0 = _mm_unpacklo_epi32(in[0], in[2]);
const __m128i a1 = _mm_unpacklo_epi32(in[4], in[6]);
const __m128i a2 = _mm_unpackhi_epi32(in[0], in[2]);
const __m128i a3 = _mm_unpackhi_epi32(in[4], in[6]);
const __m128i a4 = _mm_unpacklo_epi32(in[1], in[3]);
const __m128i a5 = _mm_unpacklo_epi32(in[5], in[7]);
const __m128i a6 = _mm_unpackhi_epi32(in[1], in[3]);
const __m128i a7 = _mm_unpackhi_epi32(in[5], in[7]);
// Unpack 64 bit elements resulting in:
// out[0]: 00 10 20 30
// out[1]: 01 11 21 31
// out[2]: 02 12 22 32
// out[3]: 03 13 23 33
// out[4]: 04 14 24 34
// out[5]: 05 15 25 35
// out[6]: 06 16 26 36
// out[7]: 07 17 27 37
out[0] = _mm_unpacklo_epi64(a0, a1);
out[1] = _mm_unpackhi_epi64(a0, a1);
out[2] = _mm_unpacklo_epi64(a2, a3);
out[3] = _mm_unpackhi_epi64(a2, a3);
out[4] = _mm_unpacklo_epi64(a4, a5);
out[5] = _mm_unpackhi_epi64(a4, a5);
out[6] = _mm_unpacklo_epi64(a6, a7);
out[7] = _mm_unpackhi_epi64(a6, a7);
}
#endif // AOM_AOM_DSP_X86_TRANSPOSE_SSE2_H_