| /* |
| * Copyright (c) 2018, Alliance for Open Media. 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 AOM_AOM_DSP_ARM_TRANSPOSE_NEON_H_ |
| #define AOM_AOM_DSP_ARM_TRANSPOSE_NEON_H_ |
| |
| #include <arm_neon.h> |
| |
| #include "aom/aom_integer.h" // For AOM_FORCE_INLINE. |
| #include "config/aom_config.h" |
| |
| static INLINE void transpose_elems_inplace_u8_8x8(uint8x8_t *a0, uint8x8_t *a1, |
| uint8x8_t *a2, uint8x8_t *a3, |
| uint8x8_t *a4, uint8x8_t *a5, |
| uint8x8_t *a6, |
| uint8x8_t *a7) { |
| // Swap 8 bit elements. Goes from: |
| // a0: 00 01 02 03 04 05 06 07 |
| // a1: 10 11 12 13 14 15 16 17 |
| // a2: 20 21 22 23 24 25 26 27 |
| // a3: 30 31 32 33 34 35 36 37 |
| // a4: 40 41 42 43 44 45 46 47 |
| // a5: 50 51 52 53 54 55 56 57 |
| // a6: 60 61 62 63 64 65 66 67 |
| // a7: 70 71 72 73 74 75 76 77 |
| // to: |
| // b0.val[0]: 00 10 02 12 04 14 06 16 40 50 42 52 44 54 46 56 |
| // b0.val[1]: 01 11 03 13 05 15 07 17 41 51 43 53 45 55 47 57 |
| // b1.val[0]: 20 30 22 32 24 34 26 36 60 70 62 72 64 74 66 76 |
| // b1.val[1]: 21 31 23 33 25 35 27 37 61 71 63 73 65 75 67 77 |
| |
| const uint8x16x2_t b0 = |
| vtrnq_u8(vcombine_u8(*a0, *a4), vcombine_u8(*a1, *a5)); |
| const uint8x16x2_t b1 = |
| vtrnq_u8(vcombine_u8(*a2, *a6), vcombine_u8(*a3, *a7)); |
| |
| // Swap 16 bit elements resulting in: |
| // c0.val[0]: 00 10 20 30 04 14 24 34 40 50 60 70 44 54 64 74 |
| // c0.val[1]: 02 12 22 32 06 16 26 36 42 52 62 72 46 56 66 76 |
| // c1.val[0]: 01 11 21 31 05 15 25 35 41 51 61 71 45 55 65 75 |
| // c1.val[1]: 03 13 23 33 07 17 27 37 43 53 63 73 47 57 67 77 |
| |
| const uint16x8x2_t c0 = vtrnq_u16(vreinterpretq_u16_u8(b0.val[0]), |
| vreinterpretq_u16_u8(b1.val[0])); |
| const uint16x8x2_t c1 = vtrnq_u16(vreinterpretq_u16_u8(b0.val[1]), |
| vreinterpretq_u16_u8(b1.val[1])); |
| |
| // Unzip 32 bit elements resulting in: |
| // d0.val[0]: 00 10 20 30 40 50 60 70 01 11 21 31 41 51 61 71 |
| // d0.val[1]: 04 14 24 34 44 54 64 74 05 15 25 35 45 55 65 75 |
| // d1.val[0]: 02 12 22 32 42 52 62 72 03 13 23 33 43 53 63 73 |
| // d1.val[1]: 06 16 26 36 46 56 66 76 07 17 27 37 47 57 67 77 |
| const uint32x4x2_t d0 = vuzpq_u32(vreinterpretq_u32_u16(c0.val[0]), |
| vreinterpretq_u32_u16(c1.val[0])); |
| const uint32x4x2_t d1 = vuzpq_u32(vreinterpretq_u32_u16(c0.val[1]), |
| vreinterpretq_u32_u16(c1.val[1])); |
| |
| *a0 = vreinterpret_u8_u32(vget_low_u32(d0.val[0])); |
| *a1 = vreinterpret_u8_u32(vget_high_u32(d0.val[0])); |
| *a2 = vreinterpret_u8_u32(vget_low_u32(d1.val[0])); |
| *a3 = vreinterpret_u8_u32(vget_high_u32(d1.val[0])); |
| *a4 = vreinterpret_u8_u32(vget_low_u32(d0.val[1])); |
| *a5 = vreinterpret_u8_u32(vget_high_u32(d0.val[1])); |
| *a6 = vreinterpret_u8_u32(vget_low_u32(d1.val[1])); |
| *a7 = vreinterpret_u8_u32(vget_high_u32(d1.val[1])); |
| } |
| |
| static INLINE void transpose_elems_inplace_u8_8x4(uint8x8_t *a0, uint8x8_t *a1, |
| uint8x8_t *a2, |
| uint8x8_t *a3) { |
| // Swap 8 bit elements. Goes from: |
| // a0: 00 01 02 03 04 05 06 07 |
| // a1: 10 11 12 13 14 15 16 17 |
| // a2: 20 21 22 23 24 25 26 27 |
| // a3: 30 31 32 33 34 35 36 37 |
| // to: |
| // b0.val[0]: 00 10 02 12 04 14 06 16 |
| // b0.val[1]: 01 11 03 13 05 15 07 17 |
| // b1.val[0]: 20 30 22 32 24 34 26 36 |
| // b1.val[1]: 21 31 23 33 25 35 27 37 |
| |
| const uint8x8x2_t b0 = vtrn_u8(*a0, *a1); |
| const uint8x8x2_t b1 = vtrn_u8(*a2, *a3); |
| |
| // Swap 16 bit elements resulting in: |
| // c0.val[0]: 00 10 20 30 04 14 24 34 |
| // c0.val[1]: 02 12 22 32 06 16 26 36 |
| // c1.val[0]: 01 11 21 31 05 15 25 35 |
| // c1.val[1]: 03 13 23 33 07 17 27 37 |
| |
| const uint16x4x2_t c0 = |
| vtrn_u16(vreinterpret_u16_u8(b0.val[0]), vreinterpret_u16_u8(b1.val[0])); |
| const uint16x4x2_t c1 = |
| vtrn_u16(vreinterpret_u16_u8(b0.val[1]), vreinterpret_u16_u8(b1.val[1])); |
| |
| *a0 = vreinterpret_u8_u16(c0.val[0]); |
| *a1 = vreinterpret_u8_u16(c1.val[0]); |
| *a2 = vreinterpret_u8_u16(c0.val[1]); |
| *a3 = vreinterpret_u8_u16(c1.val[1]); |
| } |
| |
| static INLINE void transpose_elems_inplace_u8_4x4(uint8x8_t *a0, |
| uint8x8_t *a1) { |
| // Swap 16 bit elements. Goes from: |
| // a0: 00 01 02 03 10 11 12 13 |
| // a1: 20 21 22 23 30 31 32 33 |
| // to: |
| // b0.val[0]: 00 01 20 21 10 11 30 31 |
| // b0.val[1]: 02 03 22 23 12 13 32 33 |
| |
| const uint16x4x2_t b0 = |
| vtrn_u16(vreinterpret_u16_u8(*a0), vreinterpret_u16_u8(*a1)); |
| |
| // Swap 32 bit elements resulting in: |
| // c0.val[0]: 00 01 20 21 02 03 22 23 |
| // c0.val[1]: 10 11 30 31 12 13 32 33 |
| |
| const uint32x2x2_t c0 = vtrn_u32(vreinterpret_u32_u16(b0.val[0]), |
| vreinterpret_u32_u16(b0.val[1])); |
| |
| // Swap 8 bit elements resulting in: |
| // d0.val[0]: 00 10 20 30 02 12 22 32 |
| // d0.val[1]: 01 11 21 31 03 13 23 33 |
| |
| const uint8x8x2_t d0 = |
| vtrn_u8(vreinterpret_u8_u32(c0.val[0]), vreinterpret_u8_u32(c0.val[1])); |
| |
| *a0 = d0.val[0]; |
| *a1 = d0.val[1]; |
| } |
| |
| static INLINE void transpose_elems_u8_4x8(uint8x8_t a0, uint8x8_t a1, |
| uint8x8_t a2, uint8x8_t a3, |
| uint8x8_t a4, uint8x8_t a5, |
| uint8x8_t a6, uint8x8_t a7, |
| uint8x8_t *o0, uint8x8_t *o1, |
| uint8x8_t *o2, uint8x8_t *o3) { |
| // Swap 32 bit elements. Goes from: |
| // a0: 00 01 02 03 XX XX XX XX |
| // a1: 10 11 12 13 XX XX XX XX |
| // a2: 20 21 22 23 XX XX XX XX |
| // a3; 30 31 32 33 XX XX XX XX |
| // a4: 40 41 42 43 XX XX XX XX |
| // a5: 50 51 52 53 XX XX XX XX |
| // a6: 60 61 62 63 XX XX XX XX |
| // a7: 70 71 72 73 XX XX XX XX |
| // to: |
| // b0.val[0]: 00 01 02 03 40 41 42 43 |
| // b1.val[0]: 10 11 12 13 50 51 52 53 |
| // b2.val[0]: 20 21 22 23 60 61 62 63 |
| // b3.val[0]: 30 31 32 33 70 71 72 73 |
| |
| const uint32x2x2_t b0 = |
| vtrn_u32(vreinterpret_u32_u8(a0), vreinterpret_u32_u8(a4)); |
| const uint32x2x2_t b1 = |
| vtrn_u32(vreinterpret_u32_u8(a1), vreinterpret_u32_u8(a5)); |
| const uint32x2x2_t b2 = |
| vtrn_u32(vreinterpret_u32_u8(a2), vreinterpret_u32_u8(a6)); |
| const uint32x2x2_t b3 = |
| vtrn_u32(vreinterpret_u32_u8(a3), vreinterpret_u32_u8(a7)); |
| |
| // Swap 16 bit elements resulting in: |
| // c0.val[0]: 00 01 20 21 40 41 60 61 |
| // c0.val[1]: 02 03 22 23 42 43 62 63 |
| // c1.val[0]: 10 11 30 31 50 51 70 71 |
| // c1.val[1]: 12 13 32 33 52 53 72 73 |
| |
| const uint16x4x2_t c0 = vtrn_u16(vreinterpret_u16_u32(b0.val[0]), |
| vreinterpret_u16_u32(b2.val[0])); |
| const uint16x4x2_t c1 = vtrn_u16(vreinterpret_u16_u32(b1.val[0]), |
| vreinterpret_u16_u32(b3.val[0])); |
| |
| // Swap 8 bit elements resulting in: |
| // d0.val[0]: 00 10 20 30 40 50 60 70 |
| // d0.val[1]: 01 11 21 31 41 51 61 71 |
| // d1.val[0]: 02 12 22 32 42 52 62 72 |
| // d1.val[1]: 03 13 23 33 43 53 63 73 |
| |
| const uint8x8x2_t d0 = |
| vtrn_u8(vreinterpret_u8_u16(c0.val[0]), vreinterpret_u8_u16(c1.val[0])); |
| const uint8x8x2_t d1 = |
| vtrn_u8(vreinterpret_u8_u16(c0.val[1]), vreinterpret_u8_u16(c1.val[1])); |
| |
| *o0 = d0.val[0]; |
| *o1 = d0.val[1]; |
| *o2 = d1.val[0]; |
| *o3 = d1.val[1]; |
| } |
| |
| static INLINE void transpose_array_inplace_u16_4x4(uint16x4_t a[4]) { |
| // Input: |
| // 00 01 02 03 |
| // 10 11 12 13 |
| // 20 21 22 23 |
| // 30 31 32 33 |
| |
| // b: |
| // 00 10 02 12 |
| // 01 11 03 13 |
| const uint16x4x2_t b = vtrn_u16(a[0], a[1]); |
| // c: |
| // 20 30 22 32 |
| // 21 31 23 33 |
| const uint16x4x2_t c = vtrn_u16(a[2], a[3]); |
| // d: |
| // 00 10 20 30 |
| // 02 12 22 32 |
| const uint32x2x2_t d = |
| vtrn_u32(vreinterpret_u32_u16(b.val[0]), vreinterpret_u32_u16(c.val[0])); |
| // e: |
| // 01 11 21 31 |
| // 03 13 23 33 |
| const uint32x2x2_t e = |
| vtrn_u32(vreinterpret_u32_u16(b.val[1]), vreinterpret_u32_u16(c.val[1])); |
| |
| // Output: |
| // 00 10 20 30 |
| // 01 11 21 31 |
| // 02 12 22 32 |
| // 03 13 23 33 |
| a[0] = vreinterpret_u16_u32(d.val[0]); |
| a[1] = vreinterpret_u16_u32(e.val[0]); |
| a[2] = vreinterpret_u16_u32(d.val[1]); |
| a[3] = vreinterpret_u16_u32(e.val[1]); |
| } |
| |
| static INLINE void transpose_array_inplace_u16_4x8(uint16x8_t a[4]) { |
| // 4x8 Input: |
| // a[0]: 00 01 02 03 04 05 06 07 |
| // a[1]: 10 11 12 13 14 15 16 17 |
| // a[2]: 20 21 22 23 24 25 26 27 |
| // a[3]: 30 31 32 33 34 35 36 37 |
| |
| // b0.val[0]: 00 10 02 12 04 14 06 16 |
| // b0.val[1]: 01 11 03 13 05 15 07 17 |
| // b1.val[0]: 20 30 22 32 24 34 26 36 |
| // b1.val[1]: 21 31 23 33 25 35 27 37 |
| const uint16x8x2_t b0 = vtrnq_u16(a[0], a[1]); |
| const uint16x8x2_t b1 = vtrnq_u16(a[2], a[3]); |
| |
| // c0.val[0]: 00 10 20 30 04 14 24 34 |
| // c0.val[1]: 02 12 22 32 06 16 26 36 |
| // c1.val[0]: 01 11 21 31 05 15 25 35 |
| // c1.val[1]: 03 13 23 33 07 17 27 37 |
| const uint32x4x2_t c0 = vtrnq_u32(vreinterpretq_u32_u16(b0.val[0]), |
| vreinterpretq_u32_u16(b1.val[0])); |
| const uint32x4x2_t c1 = vtrnq_u32(vreinterpretq_u32_u16(b0.val[1]), |
| vreinterpretq_u32_u16(b1.val[1])); |
| |
| // 8x4 Output: |
| // a[0]: 00 10 20 30 04 14 24 34 |
| // a[1]: 01 11 21 31 05 15 25 35 |
| // a[2]: 02 12 22 32 06 16 26 36 |
| // a[3]: 03 13 23 33 07 17 27 37 |
| a[0] = vreinterpretq_u16_u32(c0.val[0]); |
| a[1] = vreinterpretq_u16_u32(c1.val[0]); |
| a[2] = vreinterpretq_u16_u32(c0.val[1]); |
| a[3] = vreinterpretq_u16_u32(c1.val[1]); |
| } |
| |
| static INLINE uint16x8x2_t aom_vtrnq_u64_to_u16(uint32x4_t a0, uint32x4_t a1) { |
| uint16x8x2_t b0; |
| #if AOM_ARCH_AARCH64 |
| b0.val[0] = vreinterpretq_u16_u64( |
| vtrn1q_u64(vreinterpretq_u64_u32(a0), vreinterpretq_u64_u32(a1))); |
| b0.val[1] = vreinterpretq_u16_u64( |
| vtrn2q_u64(vreinterpretq_u64_u32(a0), vreinterpretq_u64_u32(a1))); |
| #else |
| b0.val[0] = vcombine_u16(vreinterpret_u16_u32(vget_low_u32(a0)), |
| vreinterpret_u16_u32(vget_low_u32(a1))); |
| b0.val[1] = vcombine_u16(vreinterpret_u16_u32(vget_high_u32(a0)), |
| vreinterpret_u16_u32(vget_high_u32(a1))); |
| #endif |
| return b0; |
| } |
| |
| // Special transpose for loop filter. |
| // 4x8 Input: |
| // p_q: p3 p2 p1 p0 q0 q1 q2 q3 |
| // a[0]: 00 01 02 03 04 05 06 07 |
| // a[1]: 10 11 12 13 14 15 16 17 |
| // a[2]: 20 21 22 23 24 25 26 27 |
| // a[3]: 30 31 32 33 34 35 36 37 |
| // 8x4 Output: |
| // a[0]: 03 13 23 33 04 14 24 34 p0q0 |
| // a[1]: 02 12 22 32 05 15 25 35 p1q1 |
| // a[2]: 01 11 21 31 06 16 26 36 p2q2 |
| // a[3]: 00 10 20 30 07 17 27 37 p3q3 |
| // Direct reapplication of the function will reset the high halves, but |
| // reverse the low halves: |
| // p_q: p0 p1 p2 p3 q0 q1 q2 q3 |
| // a[0]: 33 32 31 30 04 05 06 07 |
| // a[1]: 23 22 21 20 14 15 16 17 |
| // a[2]: 13 12 11 10 24 25 26 27 |
| // a[3]: 03 02 01 00 34 35 36 37 |
| // Simply reordering the inputs (3, 2, 1, 0) will reset the low halves, but |
| // reverse the high halves. |
| // The standard transpose_u16_4x8q will produce the same reversals, but with the |
| // order of the low halves also restored relative to the high halves. This is |
| // preferable because it puts all values from the same source row back together, |
| // but some post-processing is inevitable. |
| static INLINE void loop_filter_transpose_u16_4x8q(uint16x8_t a[4]) { |
| // b0.val[0]: 00 10 02 12 04 14 06 16 |
| // b0.val[1]: 01 11 03 13 05 15 07 17 |
| // b1.val[0]: 20 30 22 32 24 34 26 36 |
| // b1.val[1]: 21 31 23 33 25 35 27 37 |
| const uint16x8x2_t b0 = vtrnq_u16(a[0], a[1]); |
| const uint16x8x2_t b1 = vtrnq_u16(a[2], a[3]); |
| |
| // Reverse odd vectors to bring the appropriate items to the front of zips. |
| // b0.val[0]: 00 10 02 12 04 14 06 16 |
| // r0 : 03 13 01 11 07 17 05 15 |
| // b1.val[0]: 20 30 22 32 24 34 26 36 |
| // r1 : 23 33 21 31 27 37 25 35 |
| const uint32x4_t r0 = vrev64q_u32(vreinterpretq_u32_u16(b0.val[1])); |
| const uint32x4_t r1 = vrev64q_u32(vreinterpretq_u32_u16(b1.val[1])); |
| |
| // Zip to complete the halves. |
| // c0.val[0]: 00 10 20 30 02 12 22 32 p3p1 |
| // c0.val[1]: 04 14 24 34 06 16 26 36 q0q2 |
| // c1.val[0]: 03 13 23 33 01 11 21 31 p0p2 |
| // c1.val[1]: 07 17 27 37 05 15 25 35 q3q1 |
| const uint32x4x2_t c0 = vzipq_u32(vreinterpretq_u32_u16(b0.val[0]), |
| vreinterpretq_u32_u16(b1.val[0])); |
| const uint32x4x2_t c1 = vzipq_u32(r0, r1); |
| |
| // d0.val[0]: 00 10 20 30 07 17 27 37 p3q3 |
| // d0.val[1]: 02 12 22 32 05 15 25 35 p1q1 |
| // d1.val[0]: 03 13 23 33 04 14 24 34 p0q0 |
| // d1.val[1]: 01 11 21 31 06 16 26 36 p2q2 |
| const uint16x8x2_t d0 = aom_vtrnq_u64_to_u16(c0.val[0], c1.val[1]); |
| // The third row of c comes first here to swap p2 with q0. |
| const uint16x8x2_t d1 = aom_vtrnq_u64_to_u16(c1.val[0], c0.val[1]); |
| |
| // 8x4 Output: |
| // a[0]: 03 13 23 33 04 14 24 34 p0q0 |
| // a[1]: 02 12 22 32 05 15 25 35 p1q1 |
| // a[2]: 01 11 21 31 06 16 26 36 p2q2 |
| // a[3]: 00 10 20 30 07 17 27 37 p3q3 |
| a[0] = d1.val[0]; // p0q0 |
| a[1] = d0.val[1]; // p1q1 |
| a[2] = d1.val[1]; // p2q2 |
| a[3] = d0.val[0]; // p3q3 |
| } |
| |
| static INLINE void transpose_elems_u16_4x8( |
| const uint16x4_t a0, const uint16x4_t a1, const uint16x4_t a2, |
| const uint16x4_t a3, const uint16x4_t a4, const uint16x4_t a5, |
| const uint16x4_t a6, const uint16x4_t a7, uint16x8_t *o0, uint16x8_t *o1, |
| uint16x8_t *o2, uint16x8_t *o3) { |
| // Combine rows. Goes from: |
| // a0: 00 01 02 03 |
| // a1: 10 11 12 13 |
| // a2: 20 21 22 23 |
| // a3: 30 31 32 33 |
| // a4: 40 41 42 43 |
| // a5: 50 51 52 53 |
| // a6: 60 61 62 63 |
| // a7: 70 71 72 73 |
| // to: |
| // b0: 00 01 02 03 40 41 42 43 |
| // b1: 10 11 12 13 50 51 52 53 |
| // b2: 20 21 22 23 60 61 62 63 |
| // b3: 30 31 32 33 70 71 72 73 |
| |
| const uint16x8_t b0 = vcombine_u16(a0, a4); |
| const uint16x8_t b1 = vcombine_u16(a1, a5); |
| const uint16x8_t b2 = vcombine_u16(a2, a6); |
| const uint16x8_t b3 = vcombine_u16(a3, a7); |
| |
| // Swap 16 bit elements resulting in: |
| // c0.val[0]: 00 10 02 12 40 50 42 52 |
| // c0.val[1]: 01 11 03 13 41 51 43 53 |
| // c1.val[0]: 20 30 22 32 60 70 62 72 |
| // c1.val[1]: 21 31 23 33 61 71 63 73 |
| |
| const uint16x8x2_t c0 = vtrnq_u16(b0, b1); |
| const uint16x8x2_t c1 = vtrnq_u16(b2, b3); |
| |
| // Swap 32 bit elements resulting in: |
| // d0.val[0]: 00 10 20 30 40 50 60 70 |
| // d0.val[1]: 02 12 22 32 42 52 62 72 |
| // d1.val[0]: 01 11 21 31 41 51 61 71 |
| // d1.val[1]: 03 13 23 33 43 53 63 73 |
| |
| const uint32x4x2_t d0 = vtrnq_u32(vreinterpretq_u32_u16(c0.val[0]), |
| vreinterpretq_u32_u16(c1.val[0])); |
| const uint32x4x2_t d1 = vtrnq_u32(vreinterpretq_u32_u16(c0.val[1]), |
| vreinterpretq_u32_u16(c1.val[1])); |
| |
| *o0 = vreinterpretq_u16_u32(d0.val[0]); |
| *o1 = vreinterpretq_u16_u32(d1.val[0]); |
| *o2 = vreinterpretq_u16_u32(d0.val[1]); |
| *o3 = vreinterpretq_u16_u32(d1.val[1]); |
| } |
| |
| static INLINE void transpose_elems_s16_4x8( |
| const int16x4_t a0, const int16x4_t a1, const int16x4_t a2, |
| const int16x4_t a3, const int16x4_t a4, const int16x4_t a5, |
| const int16x4_t a6, const int16x4_t a7, int16x8_t *o0, int16x8_t *o1, |
| int16x8_t *o2, int16x8_t *o3) { |
| // Combine rows. Goes from: |
| // a0: 00 01 02 03 |
| // a1: 10 11 12 13 |
| // a2: 20 21 22 23 |
| // a3: 30 31 32 33 |
| // a4: 40 41 42 43 |
| // a5: 50 51 52 53 |
| // a6: 60 61 62 63 |
| // a7: 70 71 72 73 |
| // to: |
| // b0: 00 01 02 03 40 41 42 43 |
| // b1: 10 11 12 13 50 51 52 53 |
| // b2: 20 21 22 23 60 61 62 63 |
| // b3: 30 31 32 33 70 71 72 73 |
| |
| const int16x8_t b0 = vcombine_s16(a0, a4); |
| const int16x8_t b1 = vcombine_s16(a1, a5); |
| const int16x8_t b2 = vcombine_s16(a2, a6); |
| const int16x8_t b3 = vcombine_s16(a3, a7); |
| |
| // Swap 16 bit elements resulting in: |
| // c0.val[0]: 00 10 02 12 40 50 42 52 |
| // c0.val[1]: 01 11 03 13 41 51 43 53 |
| // c1.val[0]: 20 30 22 32 60 70 62 72 |
| // c1.val[1]: 21 31 23 33 61 71 63 73 |
| |
| const int16x8x2_t c0 = vtrnq_s16(b0, b1); |
| const int16x8x2_t c1 = vtrnq_s16(b2, b3); |
| |
| // Swap 32 bit elements resulting in: |
| // d0.val[0]: 00 10 20 30 40 50 60 70 |
| // d0.val[1]: 02 12 22 32 42 52 62 72 |
| // d1.val[0]: 01 11 21 31 41 51 61 71 |
| // d1.val[1]: 03 13 23 33 43 53 63 73 |
| |
| const int32x4x2_t d0 = vtrnq_s32(vreinterpretq_s32_s16(c0.val[0]), |
| vreinterpretq_s32_s16(c1.val[0])); |
| const int32x4x2_t d1 = vtrnq_s32(vreinterpretq_s32_s16(c0.val[1]), |
| vreinterpretq_s32_s16(c1.val[1])); |
| |
| *o0 = vreinterpretq_s16_s32(d0.val[0]); |
| *o1 = vreinterpretq_s16_s32(d1.val[0]); |
| *o2 = vreinterpretq_s16_s32(d0.val[1]); |
| *o3 = vreinterpretq_s16_s32(d1.val[1]); |
| } |
| |
| static INLINE void transpose_elems_inplace_u16_8x8( |
| uint16x8_t *a0, uint16x8_t *a1, uint16x8_t *a2, uint16x8_t *a3, |
| uint16x8_t *a4, uint16x8_t *a5, uint16x8_t *a6, uint16x8_t *a7) { |
| // Swap 16 bit elements. Goes from: |
| // a0: 00 01 02 03 04 05 06 07 |
| // a1: 10 11 12 13 14 15 16 17 |
| // a2: 20 21 22 23 24 25 26 27 |
| // a3: 30 31 32 33 34 35 36 37 |
| // a4: 40 41 42 43 44 45 46 47 |
| // a5: 50 51 52 53 54 55 56 57 |
| // a6: 60 61 62 63 64 65 66 67 |
| // a7: 70 71 72 73 74 75 76 77 |
| // to: |
| // b0.val[0]: 00 10 02 12 04 14 06 16 |
| // b0.val[1]: 01 11 03 13 05 15 07 17 |
| // b1.val[0]: 20 30 22 32 24 34 26 36 |
| // b1.val[1]: 21 31 23 33 25 35 27 37 |
| // b2.val[0]: 40 50 42 52 44 54 46 56 |
| // b2.val[1]: 41 51 43 53 45 55 47 57 |
| // b3.val[0]: 60 70 62 72 64 74 66 76 |
| // b3.val[1]: 61 71 63 73 65 75 67 77 |
| |
| const uint16x8x2_t b0 = vtrnq_u16(*a0, *a1); |
| const uint16x8x2_t b1 = vtrnq_u16(*a2, *a3); |
| const uint16x8x2_t b2 = vtrnq_u16(*a4, *a5); |
| const uint16x8x2_t b3 = vtrnq_u16(*a6, *a7); |
| |
| // Swap 32 bit elements resulting in: |
| // c0.val[0]: 00 10 20 30 04 14 24 34 |
| // c0.val[1]: 02 12 22 32 06 16 26 36 |
| // c1.val[0]: 01 11 21 31 05 15 25 35 |
| // c1.val[1]: 03 13 23 33 07 17 27 37 |
| // c2.val[0]: 40 50 60 70 44 54 64 74 |
| // c2.val[1]: 42 52 62 72 46 56 66 76 |
| // c3.val[0]: 41 51 61 71 45 55 65 75 |
| // c3.val[1]: 43 53 63 73 47 57 67 77 |
| |
| const uint32x4x2_t c0 = vtrnq_u32(vreinterpretq_u32_u16(b0.val[0]), |
| vreinterpretq_u32_u16(b1.val[0])); |
| const uint32x4x2_t c1 = vtrnq_u32(vreinterpretq_u32_u16(b0.val[1]), |
| vreinterpretq_u32_u16(b1.val[1])); |
| const uint32x4x2_t c2 = vtrnq_u32(vreinterpretq_u32_u16(b2.val[0]), |
| vreinterpretq_u32_u16(b3.val[0])); |
| const uint32x4x2_t c3 = vtrnq_u32(vreinterpretq_u32_u16(b2.val[1]), |
| vreinterpretq_u32_u16(b3.val[1])); |
| |
| // Swap 64 bit elements resulting in: |
| // d0.val[0]: 00 10 20 30 40 50 60 70 |
| // d0.val[1]: 04 14 24 34 44 54 64 74 |
| // d1.val[0]: 01 11 21 31 41 51 61 71 |
| // d1.val[1]: 05 15 25 35 45 55 65 75 |
| // d2.val[0]: 02 12 22 32 42 52 62 72 |
| // d2.val[1]: 06 16 26 36 46 56 66 76 |
| // d3.val[0]: 03 13 23 33 43 53 63 73 |
| // d3.val[1]: 07 17 27 37 47 57 67 77 |
| |
| const uint16x8x2_t d0 = aom_vtrnq_u64_to_u16(c0.val[0], c2.val[0]); |
| const uint16x8x2_t d1 = aom_vtrnq_u64_to_u16(c1.val[0], c3.val[0]); |
| const uint16x8x2_t d2 = aom_vtrnq_u64_to_u16(c0.val[1], c2.val[1]); |
| const uint16x8x2_t d3 = aom_vtrnq_u64_to_u16(c1.val[1], c3.val[1]); |
| |
| *a0 = d0.val[0]; |
| *a1 = d1.val[0]; |
| *a2 = d2.val[0]; |
| *a3 = d3.val[0]; |
| *a4 = d0.val[1]; |
| *a5 = d1.val[1]; |
| *a6 = d2.val[1]; |
| *a7 = d3.val[1]; |
| } |
| |
| static INLINE int16x8x2_t aom_vtrnq_s64_to_s16(int32x4_t a0, int32x4_t a1) { |
| int16x8x2_t b0; |
| #if AOM_ARCH_AARCH64 |
| b0.val[0] = vreinterpretq_s16_s64( |
| vtrn1q_s64(vreinterpretq_s64_s32(a0), vreinterpretq_s64_s32(a1))); |
| b0.val[1] = vreinterpretq_s16_s64( |
| vtrn2q_s64(vreinterpretq_s64_s32(a0), vreinterpretq_s64_s32(a1))); |
| #else |
| b0.val[0] = vcombine_s16(vreinterpret_s16_s32(vget_low_s32(a0)), |
| vreinterpret_s16_s32(vget_low_s32(a1))); |
| b0.val[1] = vcombine_s16(vreinterpret_s16_s32(vget_high_s32(a0)), |
| vreinterpret_s16_s32(vget_high_s32(a1))); |
| #endif |
| return b0; |
| } |
| |
| static INLINE void transpose_elems_inplace_s16_8x8(int16x8_t *a0, int16x8_t *a1, |
| int16x8_t *a2, int16x8_t *a3, |
| int16x8_t *a4, int16x8_t *a5, |
| int16x8_t *a6, |
| int16x8_t *a7) { |
| // Swap 16 bit elements. Goes from: |
| // a0: 00 01 02 03 04 05 06 07 |
| // a1: 10 11 12 13 14 15 16 17 |
| // a2: 20 21 22 23 24 25 26 27 |
| // a3: 30 31 32 33 34 35 36 37 |
| // a4: 40 41 42 43 44 45 46 47 |
| // a5: 50 51 52 53 54 55 56 57 |
| // a6: 60 61 62 63 64 65 66 67 |
| // a7: 70 71 72 73 74 75 76 77 |
| // to: |
| // b0.val[0]: 00 10 02 12 04 14 06 16 |
| // b0.val[1]: 01 11 03 13 05 15 07 17 |
| // b1.val[0]: 20 30 22 32 24 34 26 36 |
| // b1.val[1]: 21 31 23 33 25 35 27 37 |
| // b2.val[0]: 40 50 42 52 44 54 46 56 |
| // b2.val[1]: 41 51 43 53 45 55 47 57 |
| // b3.val[0]: 60 70 62 72 64 74 66 76 |
| // b3.val[1]: 61 71 63 73 65 75 67 77 |
| |
| const int16x8x2_t b0 = vtrnq_s16(*a0, *a1); |
| const int16x8x2_t b1 = vtrnq_s16(*a2, *a3); |
| const int16x8x2_t b2 = vtrnq_s16(*a4, *a5); |
| const int16x8x2_t b3 = vtrnq_s16(*a6, *a7); |
| |
| // Swap 32 bit elements resulting in: |
| // c0.val[0]: 00 10 20 30 04 14 24 34 |
| // c0.val[1]: 02 12 22 32 06 16 26 36 |
| // c1.val[0]: 01 11 21 31 05 15 25 35 |
| // c1.val[1]: 03 13 23 33 07 17 27 37 |
| // c2.val[0]: 40 50 60 70 44 54 64 74 |
| // c2.val[1]: 42 52 62 72 46 56 66 76 |
| // c3.val[0]: 41 51 61 71 45 55 65 75 |
| // c3.val[1]: 43 53 63 73 47 57 67 77 |
| |
| const int32x4x2_t c0 = vtrnq_s32(vreinterpretq_s32_s16(b0.val[0]), |
| vreinterpretq_s32_s16(b1.val[0])); |
| const int32x4x2_t c1 = vtrnq_s32(vreinterpretq_s32_s16(b0.val[1]), |
| vreinterpretq_s32_s16(b1.val[1])); |
| const int32x4x2_t c2 = vtrnq_s32(vreinterpretq_s32_s16(b2.val[0]), |
| vreinterpretq_s32_s16(b3.val[0])); |
| const int32x4x2_t c3 = vtrnq_s32(vreinterpretq_s32_s16(b2.val[1]), |
| vreinterpretq_s32_s16(b3.val[1])); |
| |
| // Swap 64 bit elements resulting in: |
| // d0.val[0]: 00 10 20 30 40 50 60 70 |
| // d0.val[1]: 04 14 24 34 44 54 64 74 |
| // d1.val[0]: 01 11 21 31 41 51 61 71 |
| // d1.val[1]: 05 15 25 35 45 55 65 75 |
| // d2.val[0]: 02 12 22 32 42 52 62 72 |
| // d2.val[1]: 06 16 26 36 46 56 66 76 |
| // d3.val[0]: 03 13 23 33 43 53 63 73 |
| // d3.val[1]: 07 17 27 37 47 57 67 77 |
| |
| const int16x8x2_t d0 = aom_vtrnq_s64_to_s16(c0.val[0], c2.val[0]); |
| const int16x8x2_t d1 = aom_vtrnq_s64_to_s16(c1.val[0], c3.val[0]); |
| const int16x8x2_t d2 = aom_vtrnq_s64_to_s16(c0.val[1], c2.val[1]); |
| const int16x8x2_t d3 = aom_vtrnq_s64_to_s16(c1.val[1], c3.val[1]); |
| |
| *a0 = d0.val[0]; |
| *a1 = d1.val[0]; |
| *a2 = d2.val[0]; |
| *a3 = d3.val[0]; |
| *a4 = d0.val[1]; |
| *a5 = d1.val[1]; |
| *a6 = d2.val[1]; |
| *a7 = d3.val[1]; |
| } |
| |
| static INLINE void transpose_arrays_s16_8x8(const int16x8_t *a, |
| int16x8_t *out) { |
| // Swap 16 bit elements. Goes from: |
| // a0: 00 01 02 03 04 05 06 07 |
| // a1: 10 11 12 13 14 15 16 17 |
| // a2: 20 21 22 23 24 25 26 27 |
| // a3: 30 31 32 33 34 35 36 37 |
| // a4: 40 41 42 43 44 45 46 47 |
| // a5: 50 51 52 53 54 55 56 57 |
| // a6: 60 61 62 63 64 65 66 67 |
| // a7: 70 71 72 73 74 75 76 77 |
| // to: |
| // b0.val[0]: 00 10 02 12 04 14 06 16 |
| // b0.val[1]: 01 11 03 13 05 15 07 17 |
| // b1.val[0]: 20 30 22 32 24 34 26 36 |
| // b1.val[1]: 21 31 23 33 25 35 27 37 |
| // b2.val[0]: 40 50 42 52 44 54 46 56 |
| // b2.val[1]: 41 51 43 53 45 55 47 57 |
| // b3.val[0]: 60 70 62 72 64 74 66 76 |
| // b3.val[1]: 61 71 63 73 65 75 67 77 |
| |
| const int16x8x2_t b0 = vtrnq_s16(a[0], a[1]); |
| const int16x8x2_t b1 = vtrnq_s16(a[2], a[3]); |
| const int16x8x2_t b2 = vtrnq_s16(a[4], a[5]); |
| const int16x8x2_t b3 = vtrnq_s16(a[6], a[7]); |
| |
| // Swap 32 bit elements resulting in: |
| // c0.val[0]: 00 10 20 30 04 14 24 34 |
| // c0.val[1]: 02 12 22 32 06 16 26 36 |
| // c1.val[0]: 01 11 21 31 05 15 25 35 |
| // c1.val[1]: 03 13 23 33 07 17 27 37 |
| // c2.val[0]: 40 50 60 70 44 54 64 74 |
| // c2.val[1]: 42 52 62 72 46 56 66 76 |
| // c3.val[0]: 41 51 61 71 45 55 65 75 |
| // c3.val[1]: 43 53 63 73 47 57 67 77 |
| |
| const int32x4x2_t c0 = vtrnq_s32(vreinterpretq_s32_s16(b0.val[0]), |
| vreinterpretq_s32_s16(b1.val[0])); |
| const int32x4x2_t c1 = vtrnq_s32(vreinterpretq_s32_s16(b0.val[1]), |
| vreinterpretq_s32_s16(b1.val[1])); |
| const int32x4x2_t c2 = vtrnq_s32(vreinterpretq_s32_s16(b2.val[0]), |
| vreinterpretq_s32_s16(b3.val[0])); |
| const int32x4x2_t c3 = vtrnq_s32(vreinterpretq_s32_s16(b2.val[1]), |
| vreinterpretq_s32_s16(b3.val[1])); |
| |
| // Swap 64 bit elements resulting in: |
| // d0.val[0]: 00 10 20 30 40 50 60 70 |
| // d0.val[1]: 04 14 24 34 44 54 64 74 |
| // d1.val[0]: 01 11 21 31 41 51 61 71 |
| // d1.val[1]: 05 15 25 35 45 55 65 75 |
| // d2.val[0]: 02 12 22 32 42 52 62 72 |
| // d2.val[1]: 06 16 26 36 46 56 66 76 |
| // d3.val[0]: 03 13 23 33 43 53 63 73 |
| // d3.val[1]: 07 17 27 37 47 57 67 77 |
| |
| const int16x8x2_t d0 = aom_vtrnq_s64_to_s16(c0.val[0], c2.val[0]); |
| const int16x8x2_t d1 = aom_vtrnq_s64_to_s16(c1.val[0], c3.val[0]); |
| const int16x8x2_t d2 = aom_vtrnq_s64_to_s16(c0.val[1], c2.val[1]); |
| const int16x8x2_t d3 = aom_vtrnq_s64_to_s16(c1.val[1], c3.val[1]); |
| |
| out[0] = d0.val[0]; |
| out[1] = d1.val[0]; |
| out[2] = d2.val[0]; |
| out[3] = d3.val[0]; |
| out[4] = d0.val[1]; |
| out[5] = d1.val[1]; |
| out[6] = d2.val[1]; |
| out[7] = d3.val[1]; |
| } |
| |
| static INLINE void transpose_elems_inplace_u16_4x4(uint16x4_t *a0, |
| uint16x4_t *a1, |
| uint16x4_t *a2, |
| uint16x4_t *a3) { |
| // Swap 16 bit elements. Goes from: |
| // a0: 00 01 02 03 |
| // a1: 10 11 12 13 |
| // a2: 20 21 22 23 |
| // a3: 30 31 32 33 |
| // to: |
| // b0.val[0]: 00 10 02 12 |
| // b0.val[1]: 01 11 03 13 |
| // b1.val[0]: 20 30 22 32 |
| // b1.val[1]: 21 31 23 33 |
| |
| const uint16x4x2_t b0 = vtrn_u16(*a0, *a1); |
| const uint16x4x2_t b1 = vtrn_u16(*a2, *a3); |
| |
| // Swap 32 bit elements resulting in: |
| // c0.val[0]: 00 10 20 30 |
| // c0.val[1]: 02 12 22 32 |
| // c1.val[0]: 01 11 21 31 |
| // c1.val[1]: 03 13 23 33 |
| |
| const uint32x2x2_t c0 = vtrn_u32(vreinterpret_u32_u16(b0.val[0]), |
| vreinterpret_u32_u16(b1.val[0])); |
| const uint32x2x2_t c1 = vtrn_u32(vreinterpret_u32_u16(b0.val[1]), |
| vreinterpret_u32_u16(b1.val[1])); |
| |
| *a0 = vreinterpret_u16_u32(c0.val[0]); |
| *a1 = vreinterpret_u16_u32(c1.val[0]); |
| *a2 = vreinterpret_u16_u32(c0.val[1]); |
| *a3 = vreinterpret_u16_u32(c1.val[1]); |
| } |
| |
| static INLINE void transpose_elems_inplace_s16_4x4(int16x4_t *a0, int16x4_t *a1, |
| int16x4_t *a2, |
| int16x4_t *a3) { |
| // Swap 16 bit elements. Goes from: |
| // a0: 00 01 02 03 |
| // a1: 10 11 12 13 |
| // a2: 20 21 22 23 |
| // a3: 30 31 32 33 |
| // to: |
| // b0.val[0]: 00 10 02 12 |
| // b0.val[1]: 01 11 03 13 |
| // b1.val[0]: 20 30 22 32 |
| // b1.val[1]: 21 31 23 33 |
| |
| const int16x4x2_t b0 = vtrn_s16(*a0, *a1); |
| const int16x4x2_t b1 = vtrn_s16(*a2, *a3); |
| |
| // Swap 32 bit elements resulting in: |
| // c0.val[0]: 00 10 20 30 |
| // c0.val[1]: 02 12 22 32 |
| // c1.val[0]: 01 11 21 31 |
| // c1.val[1]: 03 13 23 33 |
| |
| const int32x2x2_t c0 = vtrn_s32(vreinterpret_s32_s16(b0.val[0]), |
| vreinterpret_s32_s16(b1.val[0])); |
| const int32x2x2_t c1 = vtrn_s32(vreinterpret_s32_s16(b0.val[1]), |
| vreinterpret_s32_s16(b1.val[1])); |
| |
| *a0 = vreinterpret_s16_s32(c0.val[0]); |
| *a1 = vreinterpret_s16_s32(c1.val[0]); |
| *a2 = vreinterpret_s16_s32(c0.val[1]); |
| *a3 = vreinterpret_s16_s32(c1.val[1]); |
| } |
| |
| static INLINE int32x4x2_t aom_vtrnq_s64_to_s32(int32x4_t a0, int32x4_t a1) { |
| int32x4x2_t b0; |
| #if AOM_ARCH_AARCH64 |
| b0.val[0] = vreinterpretq_s32_s64( |
| vtrn1q_s64(vreinterpretq_s64_s32(a0), vreinterpretq_s64_s32(a1))); |
| b0.val[1] = vreinterpretq_s32_s64( |
| vtrn2q_s64(vreinterpretq_s64_s32(a0), vreinterpretq_s64_s32(a1))); |
| #else |
| b0.val[0] = vcombine_s32(vget_low_s32(a0), vget_low_s32(a1)); |
| b0.val[1] = vcombine_s32(vget_high_s32(a0), vget_high_s32(a1)); |
| #endif |
| return b0; |
| } |
| |
| static INLINE void transpose_elems_s32_4x4(const int32x4_t a0, |
| const int32x4_t a1, |
| const int32x4_t a2, |
| const int32x4_t a3, int32x4_t *o0, |
| int32x4_t *o1, int32x4_t *o2, |
| int32x4_t *o3) { |
| // Swap 32 bit elements. Goes from: |
| // a0: 00 01 02 03 |
| // a1: 10 11 12 13 |
| // a2: 20 21 22 23 |
| // a3: 30 31 32 33 |
| // to: |
| // b0.val[0]: 00 10 02 12 |
| // b0.val[1]: 01 11 03 13 |
| // b1.val[0]: 20 30 22 32 |
| // b1.val[1]: 21 31 23 33 |
| |
| const int32x4x2_t b0 = vtrnq_s32(a0, a1); |
| const int32x4x2_t b1 = vtrnq_s32(a2, a3); |
| |
| // Swap 64 bit elements resulting in: |
| // c0.val[0]: 00 10 20 30 |
| // c0.val[1]: 02 12 22 32 |
| // c1.val[0]: 01 11 21 31 |
| // c1.val[1]: 03 13 23 33 |
| |
| const int32x4x2_t c0 = aom_vtrnq_s64_to_s32(b0.val[0], b1.val[0]); |
| const int32x4x2_t c1 = aom_vtrnq_s64_to_s32(b0.val[1], b1.val[1]); |
| |
| *o0 = c0.val[0]; |
| *o1 = c1.val[0]; |
| *o2 = c0.val[1]; |
| *o3 = c1.val[1]; |
| } |
| |
| static INLINE void transpose_elems_inplace_s32_4x4(int32x4_t *a0, int32x4_t *a1, |
| int32x4_t *a2, |
| int32x4_t *a3) { |
| transpose_elems_s32_4x4(*a0, *a1, *a2, *a3, a0, a1, a2, a3); |
| } |
| |
| static INLINE void transpose_arrays_s32_4x4(const int32x4_t *in, |
| int32x4_t *out) { |
| transpose_elems_s32_4x4(in[0], in[1], in[2], in[3], &out[0], &out[1], &out[2], |
| &out[3]); |
| } |
| |
| static AOM_FORCE_INLINE void transpose_arrays_s32_4nx4n(const int32x4_t *in, |
| int32x4_t *out, |
| const int width, |
| const int height) { |
| const int h = height >> 2; |
| const int w = width >> 2; |
| for (int j = 0; j < w; j++) { |
| for (int i = 0; i < h; i++) { |
| transpose_arrays_s32_4x4(in + j * height + i * 4, |
| out + i * width + j * 4); |
| } |
| } |
| } |
| |
| #define TRANSPOSE_ARRAYS_S32_WXH_NEON(w, h) \ |
| static AOM_FORCE_INLINE void transpose_arrays_s32_##w##x##h( \ |
| const int32x4_t *in, int32x4_t *out) { \ |
| transpose_arrays_s32_4nx4n(in, out, w, h); \ |
| } |
| |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(4, 8) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(4, 16) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(8, 4) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(8, 8) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(8, 16) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(8, 32) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(16, 8) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(16, 16) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(16, 32) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(16, 64) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(32, 8) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(32, 16) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(32, 32) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(32, 64) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(64, 16) |
| TRANSPOSE_ARRAYS_S32_WXH_NEON(64, 32) |
| |
| #undef TRANSPOSE_ARRAYS_S32_WXH_NEON |
| |
| static INLINE int64x2_t aom_vtrn1q_s64(int64x2_t a, int64x2_t b) { |
| #if AOM_ARCH_AARCH64 |
| return vtrn1q_s64(a, b); |
| #else |
| return vcombine_s64(vget_low_s64(a), vget_low_s64(b)); |
| #endif |
| } |
| |
| static INLINE int64x2_t aom_vtrn2q_s64(int64x2_t a, int64x2_t b) { |
| #if AOM_ARCH_AARCH64 |
| return vtrn2q_s64(a, b); |
| #else |
| return vcombine_s64(vget_high_s64(a), vget_high_s64(b)); |
| #endif |
| } |
| |
| static INLINE void transpose_elems_s32_4x8(int32x4_t a0, int32x4_t a1, |
| int32x4_t a2, int32x4_t a3, |
| int32x4_t a4, int32x4_t a5, |
| int32x4_t a6, int32x4_t a7, |
| int32x4x2_t *o0, int32x4x2_t *o1, |
| int32x4x2_t *o2, int32x4x2_t *o3) { |
| // Perform a 4 x 8 matrix transpose by building on top of the existing 4 x 4 |
| // matrix transpose implementation: |
| // [ A ]^T => [ A^T B^T ] |
| // [ B ] |
| |
| transpose_elems_inplace_s32_4x4(&a0, &a1, &a2, &a3); // A^T |
| transpose_elems_inplace_s32_4x4(&a4, &a5, &a6, &a7); // B^T |
| |
| o0->val[0] = a0; |
| o1->val[0] = a1; |
| o2->val[0] = a2; |
| o3->val[0] = a3; |
| |
| o0->val[1] = a4; |
| o1->val[1] = a5; |
| o2->val[1] = a6; |
| o3->val[1] = a7; |
| } |
| |
| static INLINE void transpose_elems_inplace_s32_8x8( |
| int32x4x2_t *a0, int32x4x2_t *a1, int32x4x2_t *a2, int32x4x2_t *a3, |
| int32x4x2_t *a4, int32x4x2_t *a5, int32x4x2_t *a6, int32x4x2_t *a7) { |
| // Perform an 8 x 8 matrix transpose by building on top of the existing 4 x 4 |
| // matrix transpose implementation: |
| // [ A B ]^T => [ A^T C^T ] |
| // [ C D ] [ B^T D^T ] |
| |
| int32x4_t q0_v1 = a0->val[0]; |
| int32x4_t q0_v2 = a1->val[0]; |
| int32x4_t q0_v3 = a2->val[0]; |
| int32x4_t q0_v4 = a3->val[0]; |
| |
| int32x4_t q1_v1 = a0->val[1]; |
| int32x4_t q1_v2 = a1->val[1]; |
| int32x4_t q1_v3 = a2->val[1]; |
| int32x4_t q1_v4 = a3->val[1]; |
| |
| int32x4_t q2_v1 = a4->val[0]; |
| int32x4_t q2_v2 = a5->val[0]; |
| int32x4_t q2_v3 = a6->val[0]; |
| int32x4_t q2_v4 = a7->val[0]; |
| |
| int32x4_t q3_v1 = a4->val[1]; |
| int32x4_t q3_v2 = a5->val[1]; |
| int32x4_t q3_v3 = a6->val[1]; |
| int32x4_t q3_v4 = a7->val[1]; |
| |
| transpose_elems_inplace_s32_4x4(&q0_v1, &q0_v2, &q0_v3, &q0_v4); // A^T |
| transpose_elems_inplace_s32_4x4(&q1_v1, &q1_v2, &q1_v3, &q1_v4); // B^T |
| transpose_elems_inplace_s32_4x4(&q2_v1, &q2_v2, &q2_v3, &q2_v4); // C^T |
| transpose_elems_inplace_s32_4x4(&q3_v1, &q3_v2, &q3_v3, &q3_v4); // D^T |
| |
| a0->val[0] = q0_v1; |
| a1->val[0] = q0_v2; |
| a2->val[0] = q0_v3; |
| a3->val[0] = q0_v4; |
| |
| a0->val[1] = q2_v1; |
| a1->val[1] = q2_v2; |
| a2->val[1] = q2_v3; |
| a3->val[1] = q2_v4; |
| |
| a4->val[0] = q1_v1; |
| a5->val[0] = q1_v2; |
| a6->val[0] = q1_v3; |
| a7->val[0] = q1_v4; |
| |
| a4->val[1] = q3_v1; |
| a5->val[1] = q3_v2; |
| a6->val[1] = q3_v3; |
| a7->val[1] = q3_v4; |
| } |
| |
| static INLINE void transpose_arrays_s16_4x4(const int16x4_t *const in, |
| int16x4_t *const out) { |
| int16x4_t a0 = in[0]; |
| int16x4_t a1 = in[1]; |
| int16x4_t a2 = in[2]; |
| int16x4_t a3 = in[3]; |
| |
| transpose_elems_inplace_s16_4x4(&a0, &a1, &a2, &a3); |
| |
| out[0] = a0; |
| out[1] = a1; |
| out[2] = a2; |
| out[3] = a3; |
| } |
| |
| static INLINE void transpose_arrays_s16_4x8(const int16x4_t *const in, |
| int16x8_t *const out) { |
| #if AOM_ARCH_AARCH64 |
| const int16x8_t a0 = vzip1q_s16(vcombine_s16(in[0], vdup_n_s16(0)), |
| vcombine_s16(in[1], vdup_n_s16(0))); |
| const int16x8_t a1 = vzip1q_s16(vcombine_s16(in[2], vdup_n_s16(0)), |
| vcombine_s16(in[3], vdup_n_s16(0))); |
| const int16x8_t a2 = vzip1q_s16(vcombine_s16(in[4], vdup_n_s16(0)), |
| vcombine_s16(in[5], vdup_n_s16(0))); |
| const int16x8_t a3 = vzip1q_s16(vcombine_s16(in[6], vdup_n_s16(0)), |
| vcombine_s16(in[7], vdup_n_s16(0))); |
| #else |
| int16x4x2_t temp; |
| temp = vzip_s16(in[0], in[1]); |
| const int16x8_t a0 = vcombine_s16(temp.val[0], temp.val[1]); |
| temp = vzip_s16(in[2], in[3]); |
| const int16x8_t a1 = vcombine_s16(temp.val[0], temp.val[1]); |
| temp = vzip_s16(in[4], in[5]); |
| const int16x8_t a2 = vcombine_s16(temp.val[0], temp.val[1]); |
| temp = vzip_s16(in[6], in[7]); |
| const int16x8_t a3 = vcombine_s16(temp.val[0], temp.val[1]); |
| #endif |
| |
| const int32x4x2_t b02 = |
| vzipq_s32(vreinterpretq_s32_s16(a0), vreinterpretq_s32_s16(a1)); |
| const int32x4x2_t b13 = |
| vzipq_s32(vreinterpretq_s32_s16(a2), vreinterpretq_s32_s16(a3)); |
| |
| #if AOM_ARCH_AARCH64 |
| out[0] = vreinterpretq_s16_s64(vzip1q_s64(vreinterpretq_s64_s32(b02.val[0]), |
| vreinterpretq_s64_s32(b13.val[0]))); |
| out[1] = vreinterpretq_s16_s64(vzip2q_s64(vreinterpretq_s64_s32(b02.val[0]), |
| vreinterpretq_s64_s32(b13.val[0]))); |
| out[2] = vreinterpretq_s16_s64(vzip1q_s64(vreinterpretq_s64_s32(b02.val[1]), |
| vreinterpretq_s64_s32(b13.val[1]))); |
| out[3] = vreinterpretq_s16_s64(vzip2q_s64(vreinterpretq_s64_s32(b02.val[1]), |
| vreinterpretq_s64_s32(b13.val[1]))); |
| #else |
| out[0] = vreinterpretq_s16_s32( |
| vextq_s32(vextq_s32(b02.val[0], b02.val[0], 2), b13.val[0], 2)); |
| out[2] = vreinterpretq_s16_s32( |
| vextq_s32(vextq_s32(b02.val[1], b02.val[1], 2), b13.val[1], 2)); |
| out[1] = vreinterpretq_s16_s32( |
| vextq_s32(b02.val[0], vextq_s32(b13.val[0], b13.val[0], 2), 2)); |
| out[3] = vreinterpretq_s16_s32( |
| vextq_s32(b02.val[1], vextq_s32(b13.val[1], b13.val[1], 2), 2)); |
| #endif |
| } |
| |
| static INLINE void transpose_arrays_s16_8x4(const int16x8_t *const in, |
| int16x4_t *const out) { |
| // Swap 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: |
| // b0.val[0]: 00 10 02 12 04 14 06 16 |
| // b0.val[1]: 01 11 03 13 05 15 07 17 |
| // b1.val[0]: 20 30 22 32 24 34 26 36 |
| // b1.val[1]: 21 31 23 33 25 35 27 37 |
| |
| const int16x8x2_t b0 = vtrnq_s16(in[0], in[1]); |
| const int16x8x2_t b1 = vtrnq_s16(in[2], in[3]); |
| |
| // Swap 32 bit elements resulting in: |
| // c0.val[0]: 00 10 20 30 04 14 24 34 |
| // c0.val[1]: 02 12 22 32 06 16 26 36 |
| // c1.val[0]: 01 11 21 31 05 15 25 35 |
| // c1.val[1]: 03 13 23 33 07 17 27 37 |
| |
| const uint32x4x2_t c0 = vtrnq_u32(vreinterpretq_u32_s16(b0.val[0]), |
| vreinterpretq_u32_s16(b1.val[0])); |
| const uint32x4x2_t c1 = vtrnq_u32(vreinterpretq_u32_s16(b0.val[1]), |
| vreinterpretq_u32_s16(b1.val[1])); |
| |
| // 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] = vget_low_s16(vreinterpretq_s16_u32(c0.val[0])); |
| out[1] = vget_low_s16(vreinterpretq_s16_u32(c1.val[0])); |
| out[2] = vget_low_s16(vreinterpretq_s16_u32(c0.val[1])); |
| out[3] = vget_low_s16(vreinterpretq_s16_u32(c1.val[1])); |
| out[4] = vget_high_s16(vreinterpretq_s16_u32(c0.val[0])); |
| out[5] = vget_high_s16(vreinterpretq_s16_u32(c1.val[0])); |
| out[6] = vget_high_s16(vreinterpretq_s16_u32(c0.val[1])); |
| out[7] = vget_high_s16(vreinterpretq_s16_u32(c1.val[1])); |
| } |
| |
| #endif // AOM_AOM_DSP_ARM_TRANSPOSE_NEON_H_ |
