ref: 8b0c11c3588963fa02be0cad36a6a23cdb748cf9
dir: /vpx_dsp/arm/transpose_neon.h/
/*
* Copyright (c) 2016 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_DSP_ARM_TRANSPOSE_NEON_H_
#define VPX_DSP_ARM_TRANSPOSE_NEON_H_
#include <arm_neon.h>
#include "./vpx_config.h"
// Transpose 64 bit elements as follows:
// a0: 00 01 02 03 04 05 06 07
// a1: 16 17 18 19 20 21 22 23
//
// b0.val[0]: 00 01 02 03 16 17 18 19
// b0.val[1]: 04 05 06 07 20 21 22 23
static INLINE int16x8x2_t vpx_vtrnq_s64_to_s16(int32x4_t a0, int32x4_t a1) {
int16x8x2_t b0;
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)));
return b0;
}
static INLINE int32x4x2_t vpx_vtrnq_s64_to_s32(int32x4_t a0, int32x4_t a1) {
int32x4x2_t b0;
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));
return b0;
}
static INLINE int64x2x2_t vpx_vtrnq_s64(int32x4_t a0, int32x4_t a1) {
int64x2x2_t b0;
b0.val[0] = vcombine_s64(vreinterpret_s64_s32(vget_low_s32(a0)),
vreinterpret_s64_s32(vget_low_s32(a1)));
b0.val[1] = vcombine_s64(vreinterpret_s64_s32(vget_high_s32(a0)),
vreinterpret_s64_s32(vget_high_s32(a1)));
return b0;
}
static INLINE uint8x16x2_t vpx_vtrnq_u64_to_u8(uint32x4_t a0, uint32x4_t a1) {
uint8x16x2_t b0;
b0.val[0] = vcombine_u8(vreinterpret_u8_u32(vget_low_u32(a0)),
vreinterpret_u8_u32(vget_low_u32(a1)));
b0.val[1] = vcombine_u8(vreinterpret_u8_u32(vget_high_u32(a0)),
vreinterpret_u8_u32(vget_high_u32(a1)));
return b0;
}
static INLINE uint16x8x2_t vpx_vtrnq_u64_to_u16(uint32x4_t a0, uint32x4_t a1) {
uint16x8x2_t b0;
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)));
return b0;
}
static INLINE void transpose_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_s16_4x4d(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 void transpose_s16_4x4q(int16x8_t *a0, int16x8_t *a1) {
// Swap 32 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 int32x4x2_t b0 =
vtrnq_s32(vreinterpretq_s32_s16(*a0), vreinterpretq_s32_s16(*a1));
// Swap 64 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 int32x4_t c0 =
vcombine_s32(vget_low_s32(b0.val[0]), vget_low_s32(b0.val[1]));
const int32x4_t c1 =
vcombine_s32(vget_high_s32(b0.val[0]), vget_high_s32(b0.val[1]));
// Swap 16 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 int16x8x2_t d0 =
vtrnq_s16(vreinterpretq_s16_s32(c0), vreinterpretq_s16_s32(c1));
*a0 = d0.val[0];
*a1 = d0.val[1];
}
static INLINE void transpose_u16_4x4q(uint16x8_t *a0, uint16x8_t *a1) {
// Swap 32 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 uint32x4x2_t b0 =
vtrnq_u32(vreinterpretq_u32_u16(*a0), vreinterpretq_u32_u16(*a1));
// Swap 64 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 uint32x4_t c0 =
vcombine_u32(vget_low_u32(b0.val[0]), vget_low_u32(b0.val[1]));
const uint32x4_t c1 =
vcombine_u32(vget_high_u32(b0.val[0]), vget_high_u32(b0.val[1]));
// Swap 16 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 uint16x8x2_t d0 =
vtrnq_u16(vreinterpretq_u16_u32(c0), vreinterpretq_u16_u32(c1));
*a0 = d0.val[0];
*a1 = d0.val[1];
}
static INLINE void transpose_u8_4x8(uint8x8_t *a0, uint8x8_t *a1, uint8x8_t *a2,
uint8x8_t *a3, const uint8x8_t a4,
const uint8x8_t a5, const uint8x8_t a6,
const uint8x8_t a7) {
// 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]));
*a0 = d0.val[0];
*a1 = d0.val[1];
*a2 = d1.val[0];
*a3 = d1.val[1];
}
static INLINE void transpose_s32_4x4(int32x4_t *a0, int32x4_t *a1,
int32x4_t *a2, int32x4_t *a3) {
// 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 = vpx_vtrnq_s64_to_s32(b0.val[0], b1.val[0]);
const int32x4x2_t c1 = vpx_vtrnq_s64_to_s32(b0.val[1], b1.val[1]);
*a0 = c0.val[0];
*a1 = c1.val[0];
*a2 = c0.val[1];
*a3 = c1.val[1];
}
static INLINE void transpose_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 *const o0, int16x8_t *const o1,
int16x8_t *const o2, int16x8_t *const o3) {
// 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
// a4: 40 41 42 43
// a5: 50 51 52 53
// a6: 60 61 62 63
// a7: 70 71 72 73
// 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
// b2.val[0]: 40 50 42 52
// b2.val[1]: 41 51 43 53
// b3.val[0]: 60 70 62 72
// b3.val[1]: 61 71 63 73
const int16x4x2_t b0 = vtrn_s16(a0, a1);
const int16x4x2_t b1 = vtrn_s16(a2, a3);
const int16x4x2_t b2 = vtrn_s16(a4, a5);
const int16x4x2_t b3 = vtrn_s16(a6, a7);
// 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
// c2.val[0]: 40 50 60 70
// c2.val[1]: 42 52 62 72
// c3.val[0]: 41 51 61 71
// c3.val[1]: 43 53 63 73
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]));
const int32x2x2_t c2 = vtrn_s32(vreinterpret_s32_s16(b2.val[0]),
vreinterpret_s32_s16(b3.val[0]));
const int32x2x2_t c3 = vtrn_s32(vreinterpret_s32_s16(b2.val[1]),
vreinterpret_s32_s16(b3.val[1]));
// Swap 64 bit elements resulting in:
// o0: 00 10 20 30 40 50 60 70
// o1: 01 11 21 31 41 51 61 71
// o2: 02 12 22 32 42 52 62 72
// o3: 03 13 23 33 43 53 63 73
*o0 = vcombine_s16(vreinterpret_s16_s32(c0.val[0]),
vreinterpret_s16_s32(c2.val[0]));
*o1 = vcombine_s16(vreinterpret_s16_s32(c1.val[0]),
vreinterpret_s16_s32(c3.val[0]));
*o2 = vcombine_s16(vreinterpret_s16_s32(c0.val[1]),
vreinterpret_s16_s32(c2.val[1]));
*o3 = vcombine_s16(vreinterpret_s16_s32(c1.val[1]),
vreinterpret_s16_s32(c3.val[1]));
}
static INLINE void transpose_s32_4x8(int32x4_t *const a0, int32x4_t *const a1,
int32x4_t *const a2, int32x4_t *const a3,
int32x4_t *const a4, int32x4_t *const a5,
int32x4_t *const a6, int32x4_t *const a7) {
// 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
// a4: 40 41 42 43
// a5: 50 51 52 53
// a6: 60 61 62 63
// a7: 70 71 72 73
// 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
// b2.val[0]: 40 50 42 52
// b2.val[1]: 41 51 43 53
// b3.val[0]: 60 70 62 72
// b3.val[1]: 61 71 63 73
const int32x4x2_t b0 = vtrnq_s32(*a0, *a1);
const int32x4x2_t b1 = vtrnq_s32(*a2, *a3);
const int32x4x2_t b2 = vtrnq_s32(*a4, *a5);
const int32x4x2_t b3 = vtrnq_s32(*a6, *a7);
// 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
// c2.val[0]: 40 50 60 70
// c2.val[1]: 42 52 62 72
// c3.val[0]: 41 51 61 71
// c3.val[1]: 43 53 63 73
const int64x2x2_t c0 = vpx_vtrnq_s64(b0.val[0], b1.val[0]);
const int64x2x2_t c1 = vpx_vtrnq_s64(b0.val[1], b1.val[1]);
const int64x2x2_t c2 = vpx_vtrnq_s64(b2.val[0], b3.val[0]);
const int64x2x2_t c3 = vpx_vtrnq_s64(b2.val[1], b3.val[1]);
*a0 = vreinterpretq_s32_s64(c0.val[0]);
*a1 = vreinterpretq_s32_s64(c2.val[0]);
*a2 = vreinterpretq_s32_s64(c1.val[0]);
*a3 = vreinterpretq_s32_s64(c3.val[0]);
*a4 = vreinterpretq_s32_s64(c0.val[1]);
*a5 = vreinterpretq_s32_s64(c2.val[1]);
*a6 = vreinterpretq_s32_s64(c1.val[1]);
*a7 = vreinterpretq_s32_s64(c3.val[1]);
}
static INLINE void transpose_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_u16_8x4(uint16x8_t *a0, uint16x8_t *a1,
uint16x8_t *a2, uint16x8_t *a3) {
// 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
// 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 uint16x8x2_t b0 = vtrnq_u16(*a0, *a1);
const uint16x8x2_t b1 = vtrnq_u16(*a2, *a3);
// 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_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]));
*a0 = vreinterpretq_u16_u32(c0.val[0]);
*a1 = vreinterpretq_u16_u32(c1.val[0]);
*a2 = vreinterpretq_u16_u32(c0.val[1]);
*a3 = vreinterpretq_u16_u32(c1.val[1]);
}
static INLINE void transpose_s32_8x4(int32x4_t *const a0, int32x4_t *const a1,
int32x4_t *const a2, int32x4_t *const a3,
int32x4_t *const a4, int32x4_t *const a5,
int32x4_t *const a6, int32x4_t *const a7) {
// Swap 32 bit elements. Goes from:
// a0: 00 01 02 03
// a1: 04 05 06 07
// a2: 10 11 12 13
// a3: 14 15 16 17
// a4: 20 21 22 23
// a5: 24 25 26 27
// a6: 30 31 32 33
// a7: 34 35 36 37
// to:
// b0.val[0]: 00 10 02 12
// b0.val[1]: 01 11 03 13
// b1.val[0]: 04 14 06 16
// b1.val[1]: 05 15 07 17
// b2.val[0]: 20 30 22 32
// b2.val[1]: 21 31 23 33
// b3.val[0]: 24 34 26 36
// b3.val[1]: 25 35 27 37
const int32x4x2_t b0 = vtrnq_s32(*a0, *a2);
const int32x4x2_t b1 = vtrnq_s32(*a1, *a3);
const int32x4x2_t b2 = vtrnq_s32(*a4, *a6);
const int32x4x2_t b3 = vtrnq_s32(*a5, *a7);
// 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
// c2.val[0]: 04 14 24 34
// c2.val[1]: 06 16 26 36
// c3.val[0]: 05 15 25 35
// c3.val[1]: 07 17 27 37
const int64x2x2_t c0 = vpx_vtrnq_s64(b0.val[0], b2.val[0]);
const int64x2x2_t c1 = vpx_vtrnq_s64(b0.val[1], b2.val[1]);
const int64x2x2_t c2 = vpx_vtrnq_s64(b1.val[0], b3.val[0]);
const int64x2x2_t c3 = vpx_vtrnq_s64(b1.val[1], b3.val[1]);
*a0 = vreinterpretq_s32_s64(c0.val[0]);
*a1 = vreinterpretq_s32_s64(c1.val[0]);
*a2 = vreinterpretq_s32_s64(c0.val[1]);
*a3 = vreinterpretq_s32_s64(c1.val[1]);
*a4 = vreinterpretq_s32_s64(c2.val[0]);
*a5 = vreinterpretq_s32_s64(c3.val[0]);
*a6 = vreinterpretq_s32_s64(c2.val[1]);
*a7 = vreinterpretq_s32_s64(c3.val[1]);
}
// Note: Using 'd' registers or 'q' registers has almost identical speed. We use
// 'q' registers here to save some instructions.
static INLINE void transpose_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_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 = vpx_vtrnq_s64_to_s16(c0.val[0], c2.val[0]);
const int16x8x2_t d1 = vpx_vtrnq_s64_to_s16(c1.val[0], c3.val[0]);
const int16x8x2_t d2 = vpx_vtrnq_s64_to_s16(c0.val[1], c2.val[1]);
const int16x8x2_t d3 = vpx_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_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 = vpx_vtrnq_u64_to_u16(c0.val[0], c2.val[0]);
const uint16x8x2_t d1 = vpx_vtrnq_u64_to_u16(c1.val[0], c3.val[0]);
const uint16x8x2_t d2 = vpx_vtrnq_u64_to_u16(c0.val[1], c2.val[1]);
const uint16x8x2_t d3 = vpx_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 void transpose_u8_16x8(
const uint8x16_t i0, const uint8x16_t i1, const uint8x16_t i2,
const uint8x16_t i3, const uint8x16_t i4, const uint8x16_t i5,
const uint8x16_t i6, const uint8x16_t i7, uint8x8_t *o0, uint8x8_t *o1,
uint8x8_t *o2, uint8x8_t *o3, uint8x8_t *o4, uint8x8_t *o5, uint8x8_t *o6,
uint8x8_t *o7, uint8x8_t *o8, uint8x8_t *o9, uint8x8_t *o10, uint8x8_t *o11,
uint8x8_t *o12, uint8x8_t *o13, uint8x8_t *o14, uint8x8_t *o15) {
// Swap 8 bit elements. Goes from:
// i0: 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
// i1: 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F
// i2: 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F
// i3: 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F
// i4: 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F
// i5: 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F
// i6: 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F
// i7: 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F
// to:
// b0.val[0]: 00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E
// b0.val[1]: 01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F
// b1.val[0]: 20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E
// b1.val[1]: 21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F
// b2.val[0]: 40 50 42 52 44 54 46 56 48 58 4A 5A 4C 5C 4E 5E
// b2.val[1]: 41 51 43 53 45 55 47 57 49 59 4B 5B 4D 5D 4F 5F
// b3.val[0]: 60 70 62 72 64 74 66 76 68 78 6A 7A 6C 7C 6E 7E
// b3.val[1]: 61 71 63 73 65 75 67 77 69 79 6B 7B 6D 7D 6F 7F
const uint8x16x2_t b0 = vtrnq_u8(i0, i1);
const uint8x16x2_t b1 = vtrnq_u8(i2, i3);
const uint8x16x2_t b2 = vtrnq_u8(i4, i5);
const uint8x16x2_t b3 = vtrnq_u8(i6, i7);
// Swap 16 bit elements resulting in:
// c0.val[0]: 00 10 20 30 04 14 24 34 08 18 28 38 0C 1C 2C 3C
// c0.val[1]: 02 12 22 32 06 16 26 36 0A 1A 2A 3A 0E 1E 2E 3E
// c1.val[0]: 01 11 21 31 05 15 25 35 09 19 29 39 0D 1D 2D 3D
// c1.val[1]: 03 13 23 33 07 17 27 37 0B 1B 2B 3B 0F 1F 2F 3F
// c2.val[0]: 40 50 60 70 44 54 64 74 48 58 68 78 4C 5C 6C 7C
// c2.val[1]: 42 52 62 72 46 56 66 76 4A 5A 6A 7A 4E 5E 6E 7E
// c3.val[0]: 41 51 61 71 45 55 65 75 49 59 69 79 4D 5D 6D 7D
// c3.val[1]: 43 53 63 73 47 57 67 77 4B 5B 6B 7B 4F 5F 6F 7F
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]));
const uint16x8x2_t c2 = vtrnq_u16(vreinterpretq_u16_u8(b2.val[0]),
vreinterpretq_u16_u8(b3.val[0]));
const uint16x8x2_t c3 = vtrnq_u16(vreinterpretq_u16_u8(b2.val[1]),
vreinterpretq_u16_u8(b3.val[1]));
// Swap 32 bit elements resulting in:
// d0.val[0]: 00 10 20 30 40 50 60 70 08 18 28 38 48 58 68 78
// d0.val[1]: 04 14 24 34 44 54 64 74 0C 1C 2C 3C 4C 5C 6C 7C
// d1.val[0]: 02 12 22 32 42 52 62 72 0A 1A 2A 3A 4A 5A 6A 7A
// d1.val[1]: 06 16 26 36 46 56 66 76 0E 1E 2E 3E 4E 5E 6E 7E
// d2.val[0]: 01 11 21 31 41 51 61 71 09 19 29 39 49 59 69 79
// d2.val[1]: 05 15 25 35 45 55 65 75 0D 1D 2D 3D 4D 5D 6D 7D
// d3.val[0]: 03 13 23 33 43 53 63 73 0B 1B 2B 3B 4B 5B 6B 7B
// d3.val[1]: 07 17 27 37 47 57 67 77 0F 1F 2F 3F 4F 5F 6F 7F
const uint32x4x2_t d0 = vtrnq_u32(vreinterpretq_u32_u16(c0.val[0]),
vreinterpretq_u32_u16(c2.val[0]));
const uint32x4x2_t d1 = vtrnq_u32(vreinterpretq_u32_u16(c0.val[1]),
vreinterpretq_u32_u16(c2.val[1]));
const uint32x4x2_t d2 = vtrnq_u32(vreinterpretq_u32_u16(c1.val[0]),
vreinterpretq_u32_u16(c3.val[0]));
const uint32x4x2_t d3 = vtrnq_u32(vreinterpretq_u32_u16(c1.val[1]),
vreinterpretq_u32_u16(c3.val[1]));
// Output:
// o0 : 00 10 20 30 40 50 60 70
// o1 : 01 11 21 31 41 51 61 71
// o2 : 02 12 22 32 42 52 62 72
// o3 : 03 13 23 33 43 53 63 73
// o4 : 04 14 24 34 44 54 64 74
// o5 : 05 15 25 35 45 55 65 75
// o6 : 06 16 26 36 46 56 66 76
// o7 : 07 17 27 37 47 57 67 77
// o8 : 08 18 28 38 48 58 68 78
// o9 : 09 19 29 39 49 59 69 79
// o10: 0A 1A 2A 3A 4A 5A 6A 7A
// o11: 0B 1B 2B 3B 4B 5B 6B 7B
// o12: 0C 1C 2C 3C 4C 5C 6C 7C
// o13: 0D 1D 2D 3D 4D 5D 6D 7D
// o14: 0E 1E 2E 3E 4E 5E 6E 7E
// o15: 0F 1F 2F 3F 4F 5F 6F 7F
*o0 = vget_low_u8(vreinterpretq_u8_u32(d0.val[0]));
*o1 = vget_low_u8(vreinterpretq_u8_u32(d2.val[0]));
*o2 = vget_low_u8(vreinterpretq_u8_u32(d1.val[0]));
*o3 = vget_low_u8(vreinterpretq_u8_u32(d3.val[0]));
*o4 = vget_low_u8(vreinterpretq_u8_u32(d0.val[1]));
*o5 = vget_low_u8(vreinterpretq_u8_u32(d2.val[1]));
*o6 = vget_low_u8(vreinterpretq_u8_u32(d1.val[1]));
*o7 = vget_low_u8(vreinterpretq_u8_u32(d3.val[1]));
*o8 = vget_high_u8(vreinterpretq_u8_u32(d0.val[0]));
*o9 = vget_high_u8(vreinterpretq_u8_u32(d2.val[0]));
*o10 = vget_high_u8(vreinterpretq_u8_u32(d1.val[0]));
*o11 = vget_high_u8(vreinterpretq_u8_u32(d3.val[0]));
*o12 = vget_high_u8(vreinterpretq_u8_u32(d0.val[1]));
*o13 = vget_high_u8(vreinterpretq_u8_u32(d2.val[1]));
*o14 = vget_high_u8(vreinterpretq_u8_u32(d1.val[1]));
*o15 = vget_high_u8(vreinterpretq_u8_u32(d3.val[1]));
}
static INLINE void transpose_u8_8x16(
const uint8x8_t i0, const uint8x8_t i1, const uint8x8_t i2,
const uint8x8_t i3, const uint8x8_t i4, const uint8x8_t i5,
const uint8x8_t i6, const uint8x8_t i7, const uint8x8_t i8,
const uint8x8_t i9, const uint8x8_t i10, const uint8x8_t i11,
const uint8x8_t i12, const uint8x8_t i13, const uint8x8_t i14,
const uint8x8_t i15, uint8x16_t *o0, uint8x16_t *o1, uint8x16_t *o2,
uint8x16_t *o3, uint8x16_t *o4, uint8x16_t *o5, uint8x16_t *o6,
uint8x16_t *o7) {
// Combine 8 bit elements. Goes from:
// i0 : 00 01 02 03 04 05 06 07
// i1 : 10 11 12 13 14 15 16 17
// i2 : 20 21 22 23 24 25 26 27
// i3 : 30 31 32 33 34 35 36 37
// i4 : 40 41 42 43 44 45 46 47
// i5 : 50 51 52 53 54 55 56 57
// i6 : 60 61 62 63 64 65 66 67
// i7 : 70 71 72 73 74 75 76 77
// i8 : 80 81 82 83 84 85 86 87
// i9 : 90 91 92 93 94 95 96 97
// i10: A0 A1 A2 A3 A4 A5 A6 A7
// i11: B0 B1 B2 B3 B4 B5 B6 B7
// i12: C0 C1 C2 C3 C4 C5 C6 C7
// i13: D0 D1 D2 D3 D4 D5 D6 D7
// i14: E0 E1 E2 E3 E4 E5 E6 E7
// i15: F0 F1 F2 F3 F4 F5 F6 F7
// to:
// a0: 00 01 02 03 04 05 06 07 80 81 82 83 84 85 86 87
// a1: 10 11 12 13 14 15 16 17 90 91 92 93 94 95 96 97
// a2: 20 21 22 23 24 25 26 27 A0 A1 A2 A3 A4 A5 A6 A7
// a3: 30 31 32 33 34 35 36 37 B0 B1 B2 B3 B4 B5 B6 B7
// a4: 40 41 42 43 44 45 46 47 C0 C1 C2 C3 C4 C5 C6 C7
// a5: 50 51 52 53 54 55 56 57 D0 D1 D2 D3 D4 D5 D6 D7
// a6: 60 61 62 63 64 65 66 67 E0 E1 E2 E3 E4 E5 E6 E7
// a7: 70 71 72 73 74 75 76 77 F0 F1 F2 F3 F4 F5 F6 F7
const uint8x16_t a0 = vcombine_u8(i0, i8);
const uint8x16_t a1 = vcombine_u8(i1, i9);
const uint8x16_t a2 = vcombine_u8(i2, i10);
const uint8x16_t a3 = vcombine_u8(i3, i11);
const uint8x16_t a4 = vcombine_u8(i4, i12);
const uint8x16_t a5 = vcombine_u8(i5, i13);
const uint8x16_t a6 = vcombine_u8(i6, i14);
const uint8x16_t a7 = vcombine_u8(i7, i15);
// Swap 8 bit elements resulting in:
// b0.val[0]: 00 10 02 12 04 14 06 16 80 90 82 92 84 94 86 96
// b0.val[1]: 01 11 03 13 05 15 07 17 81 91 83 93 85 95 87 97
// b1.val[0]: 20 30 22 32 24 34 26 36 A0 B0 A2 B2 A4 B4 A6 B6
// b1.val[1]: 21 31 23 33 25 35 27 37 A1 B1 A3 B3 A5 B5 A7 B7
// b2.val[0]: 40 50 42 52 44 54 46 56 C0 D0 C2 D2 C4 D4 C6 D6
// b2.val[1]: 41 51 43 53 45 55 47 57 C1 D1 C3 D3 C5 D5 C7 D7
// b3.val[0]: 60 70 62 72 64 74 66 76 E0 F0 E2 F2 E4 F4 E6 F6
// b3.val[1]: 61 71 63 73 65 75 67 77 E1 F1 E3 F3 E5 F5 E7 F7
const uint8x16x2_t b0 = vtrnq_u8(a0, a1);
const uint8x16x2_t b1 = vtrnq_u8(a2, a3);
const uint8x16x2_t b2 = vtrnq_u8(a4, a5);
const uint8x16x2_t b3 = vtrnq_u8(a6, a7);
// Swap 16 bit elements resulting in:
// c0.val[0]: 00 10 20 30 04 14 24 34 80 90 A0 B0 84 94 A4 B4
// c0.val[1]: 02 12 22 32 06 16 26 36 82 92 A2 B2 86 96 A6 B6
// c1.val[0]: 01 11 21 31 05 15 25 35 81 91 A1 B1 85 95 A5 B5
// c1.val[1]: 03 13 23 33 07 17 27 37 83 93 A3 B3 87 97 A7 B7
// c2.val[0]: 40 50 60 70 44 54 64 74 C0 D0 E0 F0 C4 D4 E4 F4
// c2.val[1]: 42 52 62 72 46 56 66 76 C2 D2 E2 F2 C6 D6 E6 F6
// c3.val[0]: 41 51 61 71 45 55 65 75 C1 D1 E1 F1 C5 D5 E5 F5
// c3.val[1]: 43 53 63 73 47 57 67 77 C3 D3 E3 F3 C7 D7 E7 F7
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]));
const uint16x8x2_t c2 = vtrnq_u16(vreinterpretq_u16_u8(b2.val[0]),
vreinterpretq_u16_u8(b3.val[0]));
const uint16x8x2_t c3 = vtrnq_u16(vreinterpretq_u16_u8(b2.val[1]),
vreinterpretq_u16_u8(b3.val[1]));
// Swap 32 bit elements resulting in:
// d0.val[0]: 00 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
// d0.val[1]: 04 14 24 34 44 54 64 74 84 94 A4 B4 C4 D4 E4 F4
// d1.val[0]: 02 12 22 32 42 52 62 72 82 92 A2 B2 C2 D2 E2 F2
// d1.val[1]: 06 16 26 36 46 56 66 76 86 96 A6 B6 C6 D6 E6 F6
// d2.val[0]: 01 11 21 31 41 51 61 71 81 91 A1 B1 C1 D1 E1 F1
// d2.val[1]: 05 15 25 35 45 55 65 75 85 95 A5 B5 C5 D5 E5 F5
// d3.val[0]: 03 13 23 33 43 53 63 73 83 93 A3 B3 C3 D3 E3 F3
// d3.val[1]: 07 17 27 37 47 57 67 77 87 97 A7 B7 C7 D7 E7 F7
const uint32x4x2_t d0 = vtrnq_u32(vreinterpretq_u32_u16(c0.val[0]),
vreinterpretq_u32_u16(c2.val[0]));
const uint32x4x2_t d1 = vtrnq_u32(vreinterpretq_u32_u16(c0.val[1]),
vreinterpretq_u32_u16(c2.val[1]));
const uint32x4x2_t d2 = vtrnq_u32(vreinterpretq_u32_u16(c1.val[0]),
vreinterpretq_u32_u16(c3.val[0]));
const uint32x4x2_t d3 = vtrnq_u32(vreinterpretq_u32_u16(c1.val[1]),
vreinterpretq_u32_u16(c3.val[1]));
// Output:
// o0: 00 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
// o1: 01 11 21 31 41 51 61 71 81 91 A1 B1 C1 D1 E1 F1
// o2: 02 12 22 32 42 52 62 72 82 92 A2 B2 C2 D2 E2 F2
// o3: 03 13 23 33 43 53 63 73 83 93 A3 B3 C3 D3 E3 F3
// o4: 04 14 24 34 44 54 64 74 84 94 A4 B4 C4 D4 E4 F4
// o5: 05 15 25 35 45 55 65 75 85 95 A5 B5 C5 D5 E5 F5
// o6: 06 16 26 36 46 56 66 76 86 96 A6 B6 C6 D6 E6 F6
// o7: 07 17 27 37 47 57 67 77 87 97 A7 B7 C7 D7 E7 F7
*o0 = vreinterpretq_u8_u32(d0.val[0]);
*o1 = vreinterpretq_u8_u32(d2.val[0]);
*o2 = vreinterpretq_u8_u32(d1.val[0]);
*o3 = vreinterpretq_u8_u32(d3.val[0]);
*o4 = vreinterpretq_u8_u32(d0.val[1]);
*o5 = vreinterpretq_u8_u32(d2.val[1]);
*o6 = vreinterpretq_u8_u32(d1.val[1]);
*o7 = vreinterpretq_u8_u32(d3.val[1]);
}
static INLINE void transpose_u8_16x16(
const uint8x16_t i0, const uint8x16_t i1, const uint8x16_t i2,
const uint8x16_t i3, const uint8x16_t i4, const uint8x16_t i5,
const uint8x16_t i6, const uint8x16_t i7, const uint8x16_t i8,
const uint8x16_t i9, const uint8x16_t i10, const uint8x16_t i11,
const uint8x16_t i12, const uint8x16_t i13, const uint8x16_t i14,
const uint8x16_t i15, uint8x16_t *o0, uint8x16_t *o1, uint8x16_t *o2,
uint8x16_t *o3, uint8x16_t *o4, uint8x16_t *o5, uint8x16_t *o6,
uint8x16_t *o7, uint8x16_t *o8, uint8x16_t *o9, uint8x16_t *o10,
uint8x16_t *o11, uint8x16_t *o12, uint8x16_t *o13, uint8x16_t *o14,
uint8x16_t *o15) {
// Swap 8 bit elements. Goes from:
// i0: 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
// i1: 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F
// i2: 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F
// i3: 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F
// i4: 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F
// i5: 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F
// i6: 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F
// i7: 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F
// i8: 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F
// i9: 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F
// i10: A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF
// i11: B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF
// i12: C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF
// i13: D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF
// i14: E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF
// i15: F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF
// to:
// b0.val[0]: 00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E
// b0.val[1]: 01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F
// b1.val[0]: 20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E
// b1.val[1]: 21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F
// b2.val[0]: 40 50 42 52 44 54 46 56 48 58 4A 5A 4C 5C 4E 5E
// b2.val[1]: 41 51 43 53 45 55 47 57 49 59 4B 5B 4D 5D 4F 5F
// b3.val[0]: 60 70 62 72 64 74 66 76 68 78 6A 7A 6C 7C 6E 7E
// b3.val[1]: 61 71 63 73 65 75 67 77 69 79 6B 7B 6D 7D 6F 7F
// b4.val[0]: 80 90 82 92 84 94 86 96 88 98 8A 9A 8C 9C 8E 9E
// b4.val[1]: 81 91 83 93 85 95 87 97 89 99 8B 9B 8D 9D 8F 9F
// b5.val[0]: A0 B0 A2 B2 A4 B4 A6 B6 A8 B8 AA BA AC BC AE BE
// b5.val[1]: A1 B1 A3 B3 A5 B5 A7 B7 A9 B9 AB BB AD BD AF BF
// b6.val[0]: C0 D0 C2 D2 C4 D4 C6 D6 C8 D8 CA DA CC DC CE DE
// b6.val[1]: C1 D1 C3 D3 C5 D5 C7 D7 C9 D9 CB DB CD DD CF DF
// b7.val[0]: E0 F0 E2 F2 E4 F4 E6 F6 E8 F8 EA FA EC FC EE FE
// b7.val[1]: E1 F1 E3 F3 E5 F5 E7 F7 E9 F9 EB FB ED FD EF FF
const uint8x16x2_t b0 = vtrnq_u8(i0, i1);
const uint8x16x2_t b1 = vtrnq_u8(i2, i3);
const uint8x16x2_t b2 = vtrnq_u8(i4, i5);
const uint8x16x2_t b3 = vtrnq_u8(i6, i7);
const uint8x16x2_t b4 = vtrnq_u8(i8, i9);
const uint8x16x2_t b5 = vtrnq_u8(i10, i11);
const uint8x16x2_t b6 = vtrnq_u8(i12, i13);
const uint8x16x2_t b7 = vtrnq_u8(i14, i15);
// Swap 16 bit elements resulting in:
// c0.val[0]: 00 10 20 30 04 14 24 34 08 18 28 38 0C 1C 2C 3C
// c0.val[1]: 02 12 22 32 06 16 26 36 0A 1A 2A 3A 0E 1E 2E 3E
// c1.val[0]: 01 11 21 31 05 15 25 35 09 19 29 39 0D 1D 2D 3D
// c1.val[1]: 03 13 23 33 07 17 27 37 0B 1B 2B 3B 0F 1F 2F 3F
// c2.val[0]: 40 50 60 70 44 54 64 74 48 58 68 78 4C 5C 6C 7C
// c2.val[1]: 42 52 62 72 46 56 66 76 4A 5A 6A 7A 4E 5E 6E 7E
// c3.val[0]: 41 51 61 71 45 55 65 75 49 59 69 79 4D 5D 6D 7D
// c3.val[1]: 43 53 63 73 47 57 67 77 4B 5B 6B 7B 4F 5F 6F 7F
// c4.val[0]: 80 90 A0 B0 84 94 A4 B4 88 98 A8 B8 8C 9C AC BC
// c4.val[1]: 82 92 A2 B2 86 96 A6 B6 8A 9A AA BA 8E 9E AE BE
// c5.val[0]: 81 91 A1 B1 85 95 A5 B5 89 99 A9 B9 8D 9D AD BD
// c5.val[1]: 83 93 A3 B3 87 97 A7 B7 8B 9B AB BB 8F 9F AF BF
// c6.val[0]: C0 D0 E0 F0 C4 D4 E4 F4 C8 D8 E8 F8 CC DC EC FC
// c6.val[1]: C2 D2 E2 F2 C6 D6 E6 F6 CA DA EA FA CE DE EE FE
// c7.val[0]: C1 D1 E1 F1 C5 D5 E5 F5 C9 D9 E9 F9 CD DD ED FD
// c7.val[1]: C3 D3 E3 F3 C7 D7 E7 F7 CB DB EB FB CF DF EF FF
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]));
const uint16x8x2_t c2 = vtrnq_u16(vreinterpretq_u16_u8(b2.val[0]),
vreinterpretq_u16_u8(b3.val[0]));
const uint16x8x2_t c3 = vtrnq_u16(vreinterpretq_u16_u8(b2.val[1]),
vreinterpretq_u16_u8(b3.val[1]));
const uint16x8x2_t c4 = vtrnq_u16(vreinterpretq_u16_u8(b4.val[0]),
vreinterpretq_u16_u8(b5.val[0]));
const uint16x8x2_t c5 = vtrnq_u16(vreinterpretq_u16_u8(b4.val[1]),
vreinterpretq_u16_u8(b5.val[1]));
const uint16x8x2_t c6 = vtrnq_u16(vreinterpretq_u16_u8(b6.val[0]),
vreinterpretq_u16_u8(b7.val[0]));
const uint16x8x2_t c7 = vtrnq_u16(vreinterpretq_u16_u8(b6.val[1]),
vreinterpretq_u16_u8(b7.val[1]));
// Swap 32 bit elements resulting in:
// d0.val[0]: 00 10 20 30 40 50 60 70 08 18 28 38 48 58 68 78
// d0.val[1]: 04 14 24 34 44 54 64 74 0C 1C 2C 3C 4C 5C 6C 7C
// d1.val[0]: 02 12 22 32 42 52 62 72 0A 1A 2A 3A 4A 5A 6A 7A
// d1.val[1]: 06 16 26 36 46 56 66 76 0E 1E 2E 3E 4E 5E 6E 7E
// d2.val[0]: 01 11 21 31 41 51 61 71 09 19 29 39 49 59 69 79
// d2.val[1]: 05 15 25 35 45 55 65 75 0D 1D 2D 3D 4D 5D 6D 7D
// d3.val[0]: 03 13 23 33 43 53 63 73 0B 1B 2B 3B 4B 5B 6B 7B
// d3.val[1]: 07 17 27 37 47 57 67 77 0F 1F 2F 3F 4F 5F 6F 7F
// d4.val[0]: 80 90 A0 B0 C0 D0 E0 F0 88 98 A8 B8 C8 D8 E8 F8
// d4.val[1]: 84 94 A4 B4 C4 D4 E4 F4 8C 9C AC BC CC DC EC FC
// d5.val[0]: 82 92 A2 B2 C2 D2 E2 F2 8A 9A AA BA CA DA EA FA
// d5.val[1]: 86 96 A6 B6 C6 D6 E6 F6 8E 9E AE BE CE DE EE FE
// d6.val[0]: 81 91 A1 B1 C1 D1 E1 F1 89 99 A9 B9 C9 D9 E9 F9
// d6.val[1]: 85 95 A5 B5 C5 D5 E5 F5 8D 9D AD BD CD DD ED FD
// d7.val[0]: 83 93 A3 B3 C3 D3 E3 F3 8B 9B AB BB CB DB EB FB
// d7.val[1]: 87 97 A7 B7 C7 D7 E7 F7 8F 9F AF BF CF DF EF FF
const uint32x4x2_t d0 = vtrnq_u32(vreinterpretq_u32_u16(c0.val[0]),
vreinterpretq_u32_u16(c2.val[0]));
const uint32x4x2_t d1 = vtrnq_u32(vreinterpretq_u32_u16(c0.val[1]),
vreinterpretq_u32_u16(c2.val[1]));
const uint32x4x2_t d2 = vtrnq_u32(vreinterpretq_u32_u16(c1.val[0]),
vreinterpretq_u32_u16(c3.val[0]));
const uint32x4x2_t d3 = vtrnq_u32(vreinterpretq_u32_u16(c1.val[1]),
vreinterpretq_u32_u16(c3.val[1]));
const uint32x4x2_t d4 = vtrnq_u32(vreinterpretq_u32_u16(c4.val[0]),
vreinterpretq_u32_u16(c6.val[0]));
const uint32x4x2_t d5 = vtrnq_u32(vreinterpretq_u32_u16(c4.val[1]),
vreinterpretq_u32_u16(c6.val[1]));
const uint32x4x2_t d6 = vtrnq_u32(vreinterpretq_u32_u16(c5.val[0]),
vreinterpretq_u32_u16(c7.val[0]));
const uint32x4x2_t d7 = vtrnq_u32(vreinterpretq_u32_u16(c5.val[1]),
vreinterpretq_u32_u16(c7.val[1]));
// Swap 64 bit elements resulting in:
// e0.val[0]: 00 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
// e0.val[1]: 08 18 28 38 48 58 68 78 88 98 A8 B8 C8 D8 E8 F8
// e1.val[0]: 01 11 21 31 41 51 61 71 84 94 A4 B4 C4 D4 E4 F4
// e1.val[1]: 09 19 29 39 49 59 69 79 89 99 A9 B9 C9 D9 E9 F9
// e2.val[0]: 02 12 22 32 42 52 62 72 82 92 A2 B2 C2 D2 E2 F2
// e2.val[1]: 0A 1A 2A 3A 4A 5A 6A 7A 8A 9A AA BA CA DA EA FA
// e3.val[0]: 03 13 23 33 43 53 63 73 86 96 A6 B6 C6 D6 E6 F6
// e3.val[1]: 0B 1B 2B 3B 4B 5B 6B 7B 8B 9B AB BB CB DB EB FB
// e4.val[0]: 04 14 24 34 44 54 64 74 81 91 A1 B1 C1 D1 E1 F1
// e4.val[1]: 0C 1C 2C 3C 4C 5C 6C 7C 8C 9C AC BC CC DC EC FC
// e5.val[0]: 05 15 25 35 45 55 65 75 85 95 A5 B5 C5 D5 E5 F5
// e5.val[1]: 0D 1D 2D 3D 4D 5D 6D 7D 8D 9D AD BD CD DD ED FD
// e6.val[0]: 06 16 26 36 46 56 66 76 83 93 A3 B3 C3 D3 E3 F3
// e6.val[1]: 0E 1E 2E 3E 4E 5E 6E 7E 8E 9E AE BE CE DE EE FE
// e7.val[0]: 07 17 27 37 47 57 67 77 87 97 A7 B7 C7 D7 E7 F7
// e7.val[1]: 0F 1F 2F 3F 4F 5F 6F 7F 8F 9F AF BF CF DF EF FF
const uint8x16x2_t e0 = vpx_vtrnq_u64_to_u8(d0.val[0], d4.val[0]);
const uint8x16x2_t e1 = vpx_vtrnq_u64_to_u8(d2.val[0], d6.val[0]);
const uint8x16x2_t e2 = vpx_vtrnq_u64_to_u8(d1.val[0], d5.val[0]);
const uint8x16x2_t e3 = vpx_vtrnq_u64_to_u8(d3.val[0], d7.val[0]);
const uint8x16x2_t e4 = vpx_vtrnq_u64_to_u8(d0.val[1], d4.val[1]);
const uint8x16x2_t e5 = vpx_vtrnq_u64_to_u8(d2.val[1], d6.val[1]);
const uint8x16x2_t e6 = vpx_vtrnq_u64_to_u8(d1.val[1], d5.val[1]);
const uint8x16x2_t e7 = vpx_vtrnq_u64_to_u8(d3.val[1], d7.val[1]);
// Output:
// o0 : 00 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
// o1 : 01 11 21 31 41 51 61 71 84 94 A4 B4 C4 D4 E4 F4
// o2 : 02 12 22 32 42 52 62 72 82 92 A2 B2 C2 D2 E2 F2
// o3 : 03 13 23 33 43 53 63 73 86 96 A6 B6 C6 D6 E6 F6
// o4 : 04 14 24 34 44 54 64 74 81 91 A1 B1 C1 D1 E1 F1
// o5 : 05 15 25 35 45 55 65 75 85 95 A5 B5 C5 D5 E5 F5
// o6 : 06 16 26 36 46 56 66 76 83 93 A3 B3 C3 D3 E3 F3
// o7 : 07 17 27 37 47 57 67 77 87 97 A7 B7 C7 D7 E7 F7
// o8 : 08 18 28 38 48 58 68 78 88 98 A8 B8 C8 D8 E8 F8
// o9 : 09 19 29 39 49 59 69 79 89 99 A9 B9 C9 D9 E9 F9
// o10: 0A 1A 2A 3A 4A 5A 6A 7A 8A 9A AA BA CA DA EA FA
// o11: 0B 1B 2B 3B 4B 5B 6B 7B 8B 9B AB BB CB DB EB FB
// o12: 0C 1C 2C 3C 4C 5C 6C 7C 8C 9C AC BC CC DC EC FC
// o13: 0D 1D 2D 3D 4D 5D 6D 7D 8D 9D AD BD CD DD ED FD
// o14: 0E 1E 2E 3E 4E 5E 6E 7E 8E 9E AE BE CE DE EE FE
// o15: 0F 1F 2F 3F 4F 5F 6F 7F 8F 9F AF BF CF DF EF FF
*o0 = e0.val[0];
*o1 = e1.val[0];
*o2 = e2.val[0];
*o3 = e3.val[0];
*o4 = e4.val[0];
*o5 = e5.val[0];
*o6 = e6.val[0];
*o7 = e7.val[0];
*o8 = e0.val[1];
*o9 = e1.val[1];
*o10 = e2.val[1];
*o11 = e3.val[1];
*o12 = e4.val[1];
*o13 = e5.val[1];
*o14 = e6.val[1];
*o15 = e7.val[1];
}
static INLINE void load_and_transpose_u8_4x8(const uint8_t *a,
const int a_stride, uint8x8_t *a0,
uint8x8_t *a1, uint8x8_t *a2,
uint8x8_t *a3) {
uint8x8_t a4, a5, a6, a7;
*a0 = vld1_u8(a);
a += a_stride;
*a1 = vld1_u8(a);
a += a_stride;
*a2 = vld1_u8(a);
a += a_stride;
*a3 = vld1_u8(a);
a += a_stride;
a4 = vld1_u8(a);
a += a_stride;
a5 = vld1_u8(a);
a += a_stride;
a6 = vld1_u8(a);
a += a_stride;
a7 = vld1_u8(a);
transpose_u8_4x8(a0, a1, a2, a3, a4, a5, a6, a7);
}
static INLINE void load_and_transpose_u8_8x8(const uint8_t *a,
const int a_stride, uint8x8_t *a0,
uint8x8_t *a1, uint8x8_t *a2,
uint8x8_t *a3, uint8x8_t *a4,
uint8x8_t *a5, uint8x8_t *a6,
uint8x8_t *a7) {
*a0 = vld1_u8(a);
a += a_stride;
*a1 = vld1_u8(a);
a += a_stride;
*a2 = vld1_u8(a);
a += a_stride;
*a3 = vld1_u8(a);
a += a_stride;
*a4 = vld1_u8(a);
a += a_stride;
*a5 = vld1_u8(a);
a += a_stride;
*a6 = vld1_u8(a);
a += a_stride;
*a7 = vld1_u8(a);
transpose_u8_8x8(a0, a1, a2, a3, a4, a5, a6, a7);
}
static INLINE void transpose_and_store_u8_8x8(uint8_t *a, const int a_stride,
uint8x8_t a0, uint8x8_t a1,
uint8x8_t a2, uint8x8_t a3,
uint8x8_t a4, uint8x8_t a5,
uint8x8_t a6, uint8x8_t a7) {
transpose_u8_8x8(&a0, &a1, &a2, &a3, &a4, &a5, &a6, &a7);
vst1_u8(a, a0);
a += a_stride;
vst1_u8(a, a1);
a += a_stride;
vst1_u8(a, a2);
a += a_stride;
vst1_u8(a, a3);
a += a_stride;
vst1_u8(a, a4);
a += a_stride;
vst1_u8(a, a5);
a += a_stride;
vst1_u8(a, a6);
a += a_stride;
vst1_u8(a, a7);
}
static INLINE void load_and_transpose_s16_8x8(const int16_t *a,
const int a_stride, int16x8_t *a0,
int16x8_t *a1, int16x8_t *a2,
int16x8_t *a3, int16x8_t *a4,
int16x8_t *a5, int16x8_t *a6,
int16x8_t *a7) {
*a0 = vld1q_s16(a);
a += a_stride;
*a1 = vld1q_s16(a);
a += a_stride;
*a2 = vld1q_s16(a);
a += a_stride;
*a3 = vld1q_s16(a);
a += a_stride;
*a4 = vld1q_s16(a);
a += a_stride;
*a5 = vld1q_s16(a);
a += a_stride;
*a6 = vld1q_s16(a);
a += a_stride;
*a7 = vld1q_s16(a);
transpose_s16_8x8(a0, a1, a2, a3, a4, a5, a6, a7);
}
#endif // VPX_DSP_ARM_TRANSPOSE_NEON_H_