|  | /* | 
|  | * 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  01 11 21 31 | 
|  | // out[1]: 01 11 21 31  __ __ __ __ | 
|  | // out[2]: 02 12 22 32  03 13 23 33 | 
|  | // out[3]: 03 13 23 33  __ __ __ __ | 
|  | // | 
|  | // Note: The high 64 bits of the output registers are shown for informational | 
|  | // purposes only. Callers should only use the low 64 bits of the output | 
|  | // registers. "__" indicates zeros. | 
|  | 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_ |