289 lines
9.7 KiB
C
289 lines
9.7 KiB
C
/*
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* Copyright (c) 2015 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VPX_DSP_X86_TRANSPOSE_SSE2_H_
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#define VPX_DSP_X86_TRANSPOSE_SSE2_H_
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#include "./vpx_dsp_rtcd.h"
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static INLINE void transpose_16bit_4x4(const __m128i *const in,
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__m128i *const out) {
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// Unpack 16 bit elements. Goes from:
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// in[0]: 00 01 02 03 XX XX XX XX
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// in[1]: 10 11 12 13 XX XX XX XX
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// in[2]: 20 21 22 23 XX XX XX XX
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// in[3]: 30 31 32 33 XX XX XX XX
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// to:
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// a0: 00 10 01 11 02 12 03 13
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// a1: 20 30 21 31 22 32 23 33
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const __m128i a0 = _mm_unpacklo_epi16(in[0], in[1]);
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const __m128i a1 = _mm_unpacklo_epi16(in[2], in[3]);
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// Unpack 32 bit elements resulting in:
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// out[0]: 00 10 20 30 01 11 21 31
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// out[1]: 02 12 22 32 03 13 23 33
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out[0] = _mm_unpacklo_epi32(a0, a1);
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out[1] = _mm_unpackhi_epi32(a0, a1);
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}
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static INLINE void transpose_16bit_4x8(const __m128i *const in,
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__m128i *const out) {
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// Unpack 16 bit elements. Goes from:
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// in[0]: 00 01 02 03 XX XX XX XX
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// in[1]: 10 11 12 13 XX XX XX XX
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// in[2]: 20 21 22 23 XX XX XX XX
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// in[3]: 30 31 32 33 XX XX XX XX
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// in[4]: 40 41 42 43 XX XX XX XX
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// in[5]: 50 51 52 53 XX XX XX XX
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// in[6]: 60 61 62 63 XX XX XX XX
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// in[7]: 70 71 72 73 XX XX XX XX
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// to:
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// a0: 00 10 01 11 02 12 03 13
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// a1: 20 30 21 31 22 32 23 33
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// a2: 40 50 41 51 42 52 43 53
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// a3: 60 70 61 71 62 72 63 73
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const __m128i a0 = _mm_unpacklo_epi16(in[0], in[1]);
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const __m128i a1 = _mm_unpacklo_epi16(in[2], in[3]);
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const __m128i a2 = _mm_unpacklo_epi16(in[4], in[5]);
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const __m128i a3 = _mm_unpacklo_epi16(in[6], in[7]);
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// Unpack 32 bit elements resulting in:
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// b0: 00 10 20 30 01 11 21 31
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// b1: 40 50 60 70 41 51 61 71
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// b2: 02 12 22 32 03 13 23 33
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// b3: 42 52 62 72 43 53 63 73
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const __m128i b0 = _mm_unpacklo_epi32(a0, a1);
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const __m128i b1 = _mm_unpacklo_epi32(a2, a3);
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const __m128i b2 = _mm_unpackhi_epi32(a0, a1);
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const __m128i b3 = _mm_unpackhi_epi32(a2, a3);
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// Unpack 64 bit elements resulting in:
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// out[0]: 00 10 20 30 40 50 60 70
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// out[1]: 01 11 21 31 41 51 61 71
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// out[2]: 02 12 22 32 42 52 62 72
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// out[3]: 03 13 23 33 43 53 63 73
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out[0] = _mm_unpacklo_epi64(b0, b1);
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out[1] = _mm_unpackhi_epi64(b0, b1);
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out[2] = _mm_unpacklo_epi64(b2, b3);
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out[3] = _mm_unpackhi_epi64(b2, b3);
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}
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static INLINE void transpose_16bit_8x8(const __m128i *const in,
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__m128i *const out) {
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// Unpack 16 bit elements. Goes from:
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// in[0]: 00 01 02 03 04 05 06 07
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// in[1]: 10 11 12 13 14 15 16 17
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// in[2]: 20 21 22 23 24 25 26 27
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// in[3]: 30 31 32 33 34 35 36 37
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// in[4]: 40 41 42 43 44 45 46 47
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// in[5]: 50 51 52 53 54 55 56 57
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// in[6]: 60 61 62 63 64 65 66 67
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// in[7]: 70 71 72 73 74 75 76 77
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// to:
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// a0: 00 10 01 11 02 12 03 13
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// a1: 20 30 21 31 22 32 23 33
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// a2: 40 50 41 51 42 52 43 53
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// a3: 60 70 61 71 62 72 63 73
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// a4: 04 14 05 15 06 16 07 17
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// a5: 24 34 25 35 26 36 27 37
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// a6: 44 54 45 55 46 56 47 57
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// a7: 64 74 65 75 66 76 67 77
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const __m128i a0 = _mm_unpacklo_epi16(in[0], in[1]);
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const __m128i a1 = _mm_unpacklo_epi16(in[2], in[3]);
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const __m128i a2 = _mm_unpacklo_epi16(in[4], in[5]);
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const __m128i a3 = _mm_unpacklo_epi16(in[6], in[7]);
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const __m128i a4 = _mm_unpackhi_epi16(in[0], in[1]);
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const __m128i a5 = _mm_unpackhi_epi16(in[2], in[3]);
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const __m128i a6 = _mm_unpackhi_epi16(in[4], in[5]);
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const __m128i a7 = _mm_unpackhi_epi16(in[6], in[7]);
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// Unpack 32 bit elements resulting in:
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// b0: 00 10 20 30 01 11 21 31
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// b1: 40 50 60 70 41 51 61 71
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// b2: 04 14 24 34 05 15 25 35
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// b3: 44 54 64 74 45 55 65 75
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// b4: 02 12 22 32 03 13 23 33
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// b5: 42 52 62 72 43 53 63 73
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// b6: 06 16 26 36 07 17 27 37
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// b7: 46 56 66 76 47 57 67 77
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const __m128i b0 = _mm_unpacklo_epi32(a0, a1);
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const __m128i b1 = _mm_unpacklo_epi32(a2, a3);
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const __m128i b2 = _mm_unpacklo_epi32(a4, a5);
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const __m128i b3 = _mm_unpacklo_epi32(a6, a7);
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const __m128i b4 = _mm_unpackhi_epi32(a0, a1);
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const __m128i b5 = _mm_unpackhi_epi32(a2, a3);
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const __m128i b6 = _mm_unpackhi_epi32(a4, a5);
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const __m128i b7 = _mm_unpackhi_epi32(a6, a7);
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// Unpack 64 bit elements resulting in:
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// out[0]: 00 10 20 30 40 50 60 70
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// out[1]: 01 11 21 31 41 51 61 71
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// out[2]: 02 12 22 32 42 52 62 72
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// out[3]: 03 13 23 33 43 53 63 73
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// out[4]: 04 14 24 34 44 54 64 74
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// out[5]: 05 15 25 35 45 55 65 75
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// out[6]: 06 16 26 36 46 56 66 76
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// out[7]: 07 17 27 37 47 57 67 77
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out[0] = _mm_unpacklo_epi64(b0, b1);
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out[1] = _mm_unpackhi_epi64(b0, b1);
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out[2] = _mm_unpacklo_epi64(b4, b5);
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out[3] = _mm_unpackhi_epi64(b4, b5);
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out[4] = _mm_unpacklo_epi64(b2, b3);
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out[5] = _mm_unpackhi_epi64(b2, b3);
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out[6] = _mm_unpacklo_epi64(b6, b7);
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out[7] = _mm_unpackhi_epi64(b6, b7);
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}
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// Transpose in-place
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static INLINE void transpose_16bit_16x16(__m128i *const left,
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__m128i *const right) {
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__m128i tbuf[8];
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transpose_16bit_8x8(left, left);
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transpose_16bit_8x8(right, tbuf);
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transpose_16bit_8x8(left + 8, right);
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transpose_16bit_8x8(right + 8, right + 8);
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left[8] = tbuf[0];
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left[9] = tbuf[1];
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left[10] = tbuf[2];
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left[11] = tbuf[3];
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left[12] = tbuf[4];
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left[13] = tbuf[5];
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left[14] = tbuf[6];
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left[15] = tbuf[7];
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}
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static INLINE void transpose_32bit_4x4(const __m128i *const in,
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__m128i *const out) {
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// Unpack 32 bit elements. Goes from:
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// in[0]: 00 01 02 03
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// in[1]: 10 11 12 13
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// in[2]: 20 21 22 23
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// in[3]: 30 31 32 33
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// to:
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// a0: 00 10 01 11
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// a1: 20 30 21 31
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// a2: 02 12 03 13
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// a3: 22 32 23 33
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const __m128i a0 = _mm_unpacklo_epi32(in[0], in[1]);
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const __m128i a1 = _mm_unpacklo_epi32(in[2], in[3]);
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const __m128i a2 = _mm_unpackhi_epi32(in[0], in[1]);
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const __m128i a3 = _mm_unpackhi_epi32(in[2], in[3]);
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// Unpack 64 bit elements resulting in:
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// out[0]: 00 10 20 30
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// out[1]: 01 11 21 31
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// out[2]: 02 12 22 32
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// out[3]: 03 13 23 33
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out[0] = _mm_unpacklo_epi64(a0, a1);
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out[1] = _mm_unpackhi_epi64(a0, a1);
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out[2] = _mm_unpacklo_epi64(a2, a3);
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out[3] = _mm_unpackhi_epi64(a2, a3);
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}
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static INLINE void transpose_32bit_4x4x2(const __m128i *const in,
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__m128i *const out) {
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// Unpack 32 bit elements. Goes from:
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// in[0]: 00 01 02 03
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// in[1]: 10 11 12 13
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// in[2]: 20 21 22 23
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// in[3]: 30 31 32 33
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// in[4]: 04 05 06 07
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// in[5]: 14 15 16 17
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// in[6]: 24 25 26 27
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// in[7]: 34 35 36 37
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// to:
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// a0: 00 10 01 11
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// a1: 20 30 21 31
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// a2: 02 12 03 13
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// a3: 22 32 23 33
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// a4: 04 14 05 15
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// a5: 24 34 25 35
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// a6: 06 16 07 17
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// a7: 26 36 27 37
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const __m128i a0 = _mm_unpacklo_epi32(in[0], in[1]);
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const __m128i a1 = _mm_unpacklo_epi32(in[2], in[3]);
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const __m128i a2 = _mm_unpackhi_epi32(in[0], in[1]);
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const __m128i a3 = _mm_unpackhi_epi32(in[2], in[3]);
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const __m128i a4 = _mm_unpacklo_epi32(in[4], in[5]);
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const __m128i a5 = _mm_unpacklo_epi32(in[6], in[7]);
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const __m128i a6 = _mm_unpackhi_epi32(in[4], in[5]);
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const __m128i a7 = _mm_unpackhi_epi32(in[6], in[7]);
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// Unpack 64 bit elements resulting in:
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// out[0]: 00 10 20 30
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// out[1]: 01 11 21 31
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// out[2]: 02 12 22 32
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// out[3]: 03 13 23 33
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// out[4]: 04 14 24 34
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// out[5]: 05 15 25 35
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// out[6]: 06 16 26 36
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// out[7]: 07 17 27 37
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out[0] = _mm_unpacklo_epi64(a0, a1);
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out[1] = _mm_unpackhi_epi64(a0, a1);
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out[2] = _mm_unpacklo_epi64(a2, a3);
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out[3] = _mm_unpackhi_epi64(a2, a3);
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out[4] = _mm_unpacklo_epi64(a4, a5);
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out[5] = _mm_unpackhi_epi64(a4, a5);
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out[6] = _mm_unpacklo_epi64(a6, a7);
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out[7] = _mm_unpackhi_epi64(a6, a7);
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}
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static INLINE void transpose_32bit_8x4(const __m128i *const in,
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__m128i *const out) {
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// Unpack 32 bit elements. Goes from:
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// in[0]: 00 01 02 03
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// in[1]: 04 05 06 07
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// in[2]: 10 11 12 13
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// in[3]: 14 15 16 17
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// in[4]: 20 21 22 23
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// in[5]: 24 25 26 27
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// in[6]: 30 31 32 33
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// in[7]: 34 35 36 37
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// to:
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// a0: 00 10 01 11
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// a1: 20 30 21 31
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// a2: 02 12 03 13
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// a3: 22 32 23 33
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// a4: 04 14 05 15
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// a5: 24 34 25 35
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// a6: 06 16 07 17
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// a7: 26 36 27 37
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const __m128i a0 = _mm_unpacklo_epi32(in[0], in[2]);
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const __m128i a1 = _mm_unpacklo_epi32(in[4], in[6]);
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const __m128i a2 = _mm_unpackhi_epi32(in[0], in[2]);
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const __m128i a3 = _mm_unpackhi_epi32(in[4], in[6]);
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const __m128i a4 = _mm_unpacklo_epi32(in[1], in[3]);
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const __m128i a5 = _mm_unpacklo_epi32(in[5], in[7]);
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const __m128i a6 = _mm_unpackhi_epi32(in[1], in[3]);
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const __m128i a7 = _mm_unpackhi_epi32(in[5], in[7]);
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// Unpack 64 bit elements resulting in:
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// out[0]: 00 10 20 30
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// out[1]: 01 11 21 31
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// out[2]: 02 12 22 32
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// out[3]: 03 13 23 33
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// out[4]: 04 14 24 34
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// out[5]: 05 15 25 35
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// out[6]: 06 16 26 36
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// out[7]: 07 17 27 37
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out[0] = _mm_unpacklo_epi64(a0, a1);
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out[1] = _mm_unpackhi_epi64(a0, a1);
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out[2] = _mm_unpacklo_epi64(a2, a3);
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out[3] = _mm_unpackhi_epi64(a2, a3);
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out[4] = _mm_unpacklo_epi64(a4, a5);
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out[5] = _mm_unpackhi_epi64(a4, a5);
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out[6] = _mm_unpacklo_epi64(a6, a7);
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out[7] = _mm_unpackhi_epi64(a6, a7);
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}
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#endif // VPX_DSP_X86_TRANSPOSE_SSE2_H_
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