ref: 9b96d2846b16967128fcc674d785b64253f255d0
dir: /vpx_dsp/x86/transpose_sse2.h/
/* * Copyright (c) 2015 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #ifndef VPX_VPX_DSP_X86_TRANSPOSE_SSE2_H_ #define VPX_VPX_DSP_X86_TRANSPOSE_SSE2_H_ #include <emmintrin.h> // SSE2 #include "./vpx_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 01 11 21 31 // out[1]: 02 12 22 32 03 13 23 33 out[0] = _mm_unpacklo_epi32(a0, a1); out[1] = _mm_unpackhi_epi32(a0, a1); } 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_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 // VPX_VPX_DSP_X86_TRANSPOSE_SSE2_H_