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| 1 /* | |
| 2 * Copyright (c) 2014 The WebM project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include <arm_neon.h> | |
| 12 | |
| 13 unsigned int vp8_sad8x8_neon( | |
| 14 unsigned char *src_ptr, | |
| 15 int src_stride, | |
| 16 unsigned char *ref_ptr, | |
| 17 int ref_stride) { | |
| 18 uint8x8_t d0, d8; | |
| 19 uint16x8_t q12; | |
| 20 uint32x4_t q1; | |
| 21 uint64x2_t q3; | |
| 22 uint32x2_t d5; | |
| 23 int i; | |
| 24 | |
| 25 d0 = vld1_u8(src_ptr); | |
| 26 src_ptr += src_stride; | |
| 27 d8 = vld1_u8(ref_ptr); | |
| 28 ref_ptr += ref_stride; | |
| 29 q12 = vabdl_u8(d0, d8); | |
| 30 | |
| 31 for (i = 0; i < 7; i++) { | |
| 32 d0 = vld1_u8(src_ptr); | |
| 33 src_ptr += src_stride; | |
| 34 d8 = vld1_u8(ref_ptr); | |
| 35 ref_ptr += ref_stride; | |
| 36 q12 = vabal_u8(q12, d0, d8); | |
| 37 } | |
| 38 | |
| 39 q1 = vpaddlq_u16(q12); | |
| 40 q3 = vpaddlq_u32(q1); | |
| 41 d5 = vadd_u32(vreinterpret_u32_u64(vget_low_u64(q3)), | |
| 42 vreinterpret_u32_u64(vget_high_u64(q3))); | |
| 43 | |
| 44 return vget_lane_u32(d5, 0); | |
| 45 } | |
| 46 | |
| 47 unsigned int vp8_sad8x16_neon( | |
| 48 unsigned char *src_ptr, | |
| 49 int src_stride, | |
| 50 unsigned char *ref_ptr, | |
| 51 int ref_stride) { | |
| 52 uint8x8_t d0, d8; | |
| 53 uint16x8_t q12; | |
| 54 uint32x4_t q1; | |
| 55 uint64x2_t q3; | |
| 56 uint32x2_t d5; | |
| 57 int i; | |
| 58 | |
| 59 d0 = vld1_u8(src_ptr); | |
| 60 src_ptr += src_stride; | |
| 61 d8 = vld1_u8(ref_ptr); | |
| 62 ref_ptr += ref_stride; | |
| 63 q12 = vabdl_u8(d0, d8); | |
| 64 | |
| 65 for (i = 0; i < 15; i++) { | |
| 66 d0 = vld1_u8(src_ptr); | |
| 67 src_ptr += src_stride; | |
| 68 d8 = vld1_u8(ref_ptr); | |
| 69 ref_ptr += ref_stride; | |
| 70 q12 = vabal_u8(q12, d0, d8); | |
| 71 } | |
| 72 | |
| 73 q1 = vpaddlq_u16(q12); | |
| 74 q3 = vpaddlq_u32(q1); | |
| 75 d5 = vadd_u32(vreinterpret_u32_u64(vget_low_u64(q3)), | |
| 76 vreinterpret_u32_u64(vget_high_u64(q3))); | |
| 77 | |
| 78 return vget_lane_u32(d5, 0); | |
| 79 } | |
| 80 | |
| 81 unsigned int vp8_sad4x4_neon( | |
| 82 unsigned char *src_ptr, | |
| 83 int src_stride, | |
| 84 unsigned char *ref_ptr, | |
| 85 int ref_stride) { | |
| 86 uint8x8_t d0, d8; | |
| 87 uint16x8_t q12; | |
| 88 uint32x2_t d1; | |
| 89 uint64x1_t d3; | |
| 90 int i; | |
| 91 | |
| 92 d0 = vld1_u8(src_ptr); | |
| 93 src_ptr += src_stride; | |
| 94 d8 = vld1_u8(ref_ptr); | |
| 95 ref_ptr += ref_stride; | |
| 96 q12 = vabdl_u8(d0, d8); | |
| 97 | |
| 98 for (i = 0; i < 3; i++) { | |
| 99 d0 = vld1_u8(src_ptr); | |
| 100 src_ptr += src_stride; | |
| 101 d8 = vld1_u8(ref_ptr); | |
| 102 ref_ptr += ref_stride; | |
| 103 q12 = vabal_u8(q12, d0, d8); | |
| 104 } | |
| 105 | |
| 106 d1 = vpaddl_u16(vget_low_u16(q12)); | |
| 107 d3 = vpaddl_u32(d1); | |
| 108 | |
| 109 return vget_lane_u32(vreinterpret_u32_u64(d3), 0); | |
| 110 } | |
| 111 | |
| 112 unsigned int vp8_sad16x16_neon( | |
| 113 unsigned char *src_ptr, | |
| 114 int src_stride, | |
| 115 unsigned char *ref_ptr, | |
| 116 int ref_stride) { | |
| 117 uint8x16_t q0, q4; | |
| 118 uint16x8_t q12, q13; | |
| 119 uint32x4_t q1; | |
| 120 uint64x2_t q3; | |
| 121 uint32x2_t d5; | |
| 122 int i; | |
| 123 | |
| 124 q0 = vld1q_u8(src_ptr); | |
| 125 src_ptr += src_stride; | |
| 126 q4 = vld1q_u8(ref_ptr); | |
| 127 ref_ptr += ref_stride; | |
| 128 q12 = vabdl_u8(vget_low_u8(q0), vget_low_u8(q4)); | |
| 129 q13 = vabdl_u8(vget_high_u8(q0), vget_high_u8(q4)); | |
| 130 | |
| 131 for (i = 0; i < 15; i++) { | |
| 132 q0 = vld1q_u8(src_ptr); | |
| 133 src_ptr += src_stride; | |
| 134 q4 = vld1q_u8(ref_ptr); | |
| 135 ref_ptr += ref_stride; | |
| 136 q12 = vabal_u8(q12, vget_low_u8(q0), vget_low_u8(q4)); | |
| 137 q13 = vabal_u8(q13, vget_high_u8(q0), vget_high_u8(q4)); | |
| 138 } | |
| 139 | |
| 140 q12 = vaddq_u16(q12, q13); | |
| 141 q1 = vpaddlq_u16(q12); | |
| 142 q3 = vpaddlq_u32(q1); | |
| 143 d5 = vadd_u32(vreinterpret_u32_u64(vget_low_u64(q3)), | |
| 144 vreinterpret_u32_u64(vget_high_u64(q3))); | |
| 145 | |
| 146 return vget_lane_u32(d5, 0); | |
| 147 } | |
| 148 | |
| 149 unsigned int vp8_sad16x8_neon( | |
| 150 unsigned char *src_ptr, | |
| 151 int src_stride, | |
| 152 unsigned char *ref_ptr, | |
| 153 int ref_stride) { | |
| 154 uint8x16_t q0, q4; | |
| 155 uint16x8_t q12, q13; | |
| 156 uint32x4_t q1; | |
| 157 uint64x2_t q3; | |
| 158 uint32x2_t d5; | |
| 159 int i; | |
| 160 | |
| 161 q0 = vld1q_u8(src_ptr); | |
| 162 src_ptr += src_stride; | |
| 163 q4 = vld1q_u8(ref_ptr); | |
| 164 ref_ptr += ref_stride; | |
| 165 q12 = vabdl_u8(vget_low_u8(q0), vget_low_u8(q4)); | |
| 166 q13 = vabdl_u8(vget_high_u8(q0), vget_high_u8(q4)); | |
| 167 | |
| 168 for (i = 0; i < 7; i++) { | |
| 169 q0 = vld1q_u8(src_ptr); | |
| 170 src_ptr += src_stride; | |
| 171 q4 = vld1q_u8(ref_ptr); | |
| 172 ref_ptr += ref_stride; | |
| 173 q12 = vabal_u8(q12, vget_low_u8(q0), vget_low_u8(q4)); | |
| 174 q13 = vabal_u8(q13, vget_high_u8(q0), vget_high_u8(q4)); | |
| 175 } | |
| 176 | |
| 177 q12 = vaddq_u16(q12, q13); | |
| 178 q1 = vpaddlq_u16(q12); | |
| 179 q3 = vpaddlq_u32(q1); | |
| 180 d5 = vadd_u32(vreinterpret_u32_u64(vget_low_u64(q3)), | |
| 181 vreinterpret_u32_u64(vget_high_u64(q3))); | |
| 182 | |
| 183 return vget_lane_u32(d5, 0); | |
| 184 } | |
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Chromium Code Reviews
Issue 1124333011:
libvpx: Pull from upstream (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master