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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 16 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 32 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_