| /* |
| * Copyright 2019 The libgav1 Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef LIBGAV1_SRC_DSP_X86_TRANSPOSE_SSE4_H_ |
| #define LIBGAV1_SRC_DSP_X86_TRANSPOSE_SSE4_H_ |
| |
| #include "src/utils/compiler_attributes.h" |
| #include "src/utils/cpu.h" |
| |
| #if LIBGAV1_ENABLE_SSE4_1 |
| #include <emmintrin.h> |
| |
| namespace libgav1 { |
| namespace dsp { |
| |
| LIBGAV1_ALWAYS_INLINE __m128i Transpose4x4_U8(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 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); |
| } |
| |
| LIBGAV1_ALWAYS_INLINE void Transpose8x8To4x16_U8(const __m128i* const in, |
| __m128i* 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]); |
| |
| // 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_unpacklo_epi16(a2, a3); |
| const __m128i b2 = _mm_unpackhi_epi16(a0, a1); |
| const __m128i b3 = _mm_unpackhi_epi16(a2, a3); |
| |
| // out[0]: 00 10 20 30 40 50 60 70 01 11 21 31 41 51 61 71 |
| // out[1]: 02 12 22 32 42 52 62 72 03 13 23 33 43 53 63 73 |
| // out[2]: 04 14 24 34 44 54 64 74 05 15 25 35 45 55 65 75 |
| // out[3]: 06 16 26 36 46 56 66 76 07 17 27 37 47 57 67 77 |
| out[0] = _mm_unpacklo_epi32(b0, b1); |
| out[1] = _mm_unpackhi_epi32(b0, b1); |
| out[2] = _mm_unpacklo_epi32(b2, b3); |
| out[3] = _mm_unpackhi_epi32(b2, b3); |
| } |
| |
| LIBGAV1_ALWAYS_INLINE void Transpose4x4_U16(const __m128i* in, __m128i* 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: |
| // ba: 00 10 01 11 02 12 03 13 |
| // dc: 20 30 21 31 22 32 23 33 |
| const __m128i ba = _mm_unpacklo_epi16(in[0], in[1]); |
| const __m128i dc = _mm_unpacklo_epi16(in[2], in[3]); |
| // Unpack 32 bit elements resulting in: |
| // dcba_lo: 00 10 20 30 01 11 21 31 |
| // dcba_hi: 02 12 22 32 03 13 23 33 |
| const __m128i dcba_lo = _mm_unpacklo_epi32(ba, dc); |
| const __m128i dcba_hi = _mm_unpackhi_epi32(ba, dc); |
| // Assign or shift right by 8 bytes resulting in: |
| // out[0]: 00 10 20 30 01 11 21 31 |
| // out[1]: 01 11 21 31 XX XX XX XX |
| // out[2]: 02 12 22 32 03 13 23 33 |
| // out[3]: 03 13 23 33 XX XX XX XX |
| out[0] = dcba_lo; |
| out[1] = _mm_srli_si128(dcba_lo, 8); |
| out[2] = dcba_hi; |
| out[3] = _mm_srli_si128(dcba_hi, 8); |
| } |
| |
| LIBGAV1_ALWAYS_INLINE void Transpose4x8To8x4_U16(const __m128i* in, |
| __m128i* 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); |
| } |
| |
| LIBGAV1_ALWAYS_INLINE void Transpose8x4To4x8_U16(const __m128i* in, |
| __m128i* 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); |
| } |
| |
| LIBGAV1_ALWAYS_INLINE void Transpose8x8_U16(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); |
| } |
| |
| } // namespace dsp |
| } // namespace libgav1 |
| |
| #endif // LIBGAV1_ENABLE_SSE4_1 |
| #endif // LIBGAV1_SRC_DSP_X86_TRANSPOSE_SSE4_H_ |
