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Diffstat (limited to 'media/libaom/src/av1/common/arm/transpose_neon.h')
-rw-r--r--media/libaom/src/av1/common/arm/transpose_neon.h537
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diff --git a/media/libaom/src/av1/common/arm/transpose_neon.h b/media/libaom/src/av1/common/arm/transpose_neon.h
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index 0000000000..8a3d9f07ff
--- /dev/null
+++ b/media/libaom/src/av1/common/arm/transpose_neon.h
@@ -0,0 +1,537 @@
+/*
+ * 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_AV1_COMMON_ARM_TRANSPOSE_NEON_H_
+#define AOM_AV1_COMMON_ARM_TRANSPOSE_NEON_H_
+
+#include <arm_neon.h>
+
+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_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_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_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_u16_4x8(uint16x4_t *a0, uint16x4_t *a1,
+ uint16x4_t *a2, uint16x4_t *a3,
+ uint16x4_t *a4, uint16x4_t *a5,
+ uint16x4_t *a6, uint16x4_t *a7,
+ uint16x8_t *o0, uint16x8_t *o1,
+ uint16x8_t *o2, uint16x8_t *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
+
+ uint16x4x2_t b0 = vtrn_u16(*a0, *a1);
+ uint16x4x2_t b1 = vtrn_u16(*a2, *a3);
+ uint16x4x2_t b2 = vtrn_u16(*a4, *a5);
+ uint16x4x2_t b3 = vtrn_u16(*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
+
+ uint32x2x2_t c0 = vtrn_u32(vreinterpret_u32_u16(b0.val[0]),
+ vreinterpret_u32_u16(b1.val[0]));
+ uint32x2x2_t c1 = vtrn_u32(vreinterpret_u32_u16(b0.val[1]),
+ vreinterpret_u32_u16(b1.val[1]));
+ uint32x2x2_t c2 = vtrn_u32(vreinterpret_u32_u16(b2.val[0]),
+ vreinterpret_u32_u16(b3.val[0]));
+ uint32x2x2_t c3 = vtrn_u32(vreinterpret_u32_u16(b2.val[1]),
+ vreinterpret_u32_u16(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_u16(vreinterpret_u16_u32(c0.val[0]),
+ vreinterpret_u16_u32(c2.val[0]));
+ *o1 = vcombine_u16(vreinterpret_u16_u32(c1.val[0]),
+ vreinterpret_u16_u32(c3.val[0]));
+ *o2 = vcombine_u16(vreinterpret_u16_u32(c0.val[1]),
+ vreinterpret_u16_u32(c2.val[1]));
+ *o3 = vcombine_u16(vreinterpret_u16_u32(c1.val[1]),
+ vreinterpret_u16_u32(c3.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]));
+
+ *a0 = vcombine_u16(vget_low_u16(vreinterpretq_u16_u32(c0.val[0])),
+ vget_low_u16(vreinterpretq_u16_u32(c2.val[0])));
+ *a4 = vcombine_u16(vget_high_u16(vreinterpretq_u16_u32(c0.val[0])),
+ vget_high_u16(vreinterpretq_u16_u32(c2.val[0])));
+
+ *a2 = vcombine_u16(vget_low_u16(vreinterpretq_u16_u32(c0.val[1])),
+ vget_low_u16(vreinterpretq_u16_u32(c2.val[1])));
+ *a6 = vcombine_u16(vget_high_u16(vreinterpretq_u16_u32(c0.val[1])),
+ vget_high_u16(vreinterpretq_u16_u32(c2.val[1])));
+
+ *a1 = vcombine_u16(vget_low_u16(vreinterpretq_u16_u32(c1.val[0])),
+ vget_low_u16(vreinterpretq_u16_u32(c3.val[0])));
+ *a5 = vcombine_u16(vget_high_u16(vreinterpretq_u16_u32(c1.val[0])),
+ vget_high_u16(vreinterpretq_u16_u32(c3.val[0])));
+
+ *a3 = vcombine_u16(vget_low_u16(vreinterpretq_u16_u32(c1.val[1])),
+ vget_low_u16(vreinterpretq_u16_u32(c3.val[1])));
+ *a7 = vcombine_u16(vget_high_u16(vreinterpretq_u16_u32(c1.val[1])),
+ vget_high_u16(vreinterpretq_u16_u32(c3.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]));
+
+ *a0 = vcombine_s16(vget_low_s16(vreinterpretq_s16_s32(c0.val[0])),
+ vget_low_s16(vreinterpretq_s16_s32(c2.val[0])));
+ *a4 = vcombine_s16(vget_high_s16(vreinterpretq_s16_s32(c0.val[0])),
+ vget_high_s16(vreinterpretq_s16_s32(c2.val[0])));
+
+ *a2 = vcombine_s16(vget_low_s16(vreinterpretq_s16_s32(c0.val[1])),
+ vget_low_s16(vreinterpretq_s16_s32(c2.val[1])));
+ *a6 = vcombine_s16(vget_high_s16(vreinterpretq_s16_s32(c0.val[1])),
+ vget_high_s16(vreinterpretq_s16_s32(c2.val[1])));
+
+ *a1 = vcombine_s16(vget_low_s16(vreinterpretq_s16_s32(c1.val[0])),
+ vget_low_s16(vreinterpretq_s16_s32(c3.val[0])));
+ *a5 = vcombine_s16(vget_high_s16(vreinterpretq_s16_s32(c1.val[0])),
+ vget_high_s16(vreinterpretq_s16_s32(c3.val[0])));
+
+ *a3 = vcombine_s16(vget_low_s16(vreinterpretq_s16_s32(c1.val[1])),
+ vget_low_s16(vreinterpretq_s16_s32(c3.val[1])));
+ *a7 = vcombine_s16(vget_high_s16(vreinterpretq_s16_s32(c1.val[1])),
+ vget_high_s16(vreinterpretq_s16_s32(c3.val[1])));
+}
+
+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 void transpose_s16_8x8q(int16x8_t *a0, 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(*a0, *(a0 + 1));
+ const int16x8x2_t b1 = vtrnq_s16(*(a0 + 2), *(a0 + 3));
+ const int16x8x2_t b2 = vtrnq_s16(*(a0 + 4), *(a0 + 5));
+ const int16x8x2_t b3 = vtrnq_s16(*(a0 + 6), *(a0 + 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 = 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]);
+
+ *out = 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_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 int32x4x2_t aom_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 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 = 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]);
+
+ *a0 = c0.val[0];
+ *a1 = c1.val[0];
+ *a2 = c0.val[1];
+ *a3 = c1.val[1];
+}
+
+#endif // AOM_AV1_COMMON_ARM_TRANSPOSE_NEON_H_
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-14 06:53:10 +0000